• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a sealed capsule (100) and a method for mixing and dispensing a frozen food product. The capsule containing a mixing element (104) and potentially incorporating the food product. Actuation of the mixing element (104) through an electronic control system causes the food product to be mixed within the capsule. One or more feedback control mechanisms are used to ensure a desired consistency of the mixed food product. Structural features of the capsule are provided, and methods of using its contents to blend and dispense creamy products.
    公开号:CH716468A2
    申请号:CH00965/20
    申请日:2020-08-03
    公开日:2021-02-15
    发明作者:Tan Peng Yang Jeremy；Narendhar Mohanasundram
    申请人:Advantir Innovations Pte Ltd；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    The present description generally relates to capsules for food products and more particularly, a method, a device and / or a system for serving a mixed food product, such as frozen food products and / or drinks, by means of 'a capsule in a blender.
    CONTEXT
    [0002] Mixers are well known in the art for mixing and transforming a frozen, hard food product such as ice into a substantially flexible, smooth and creamy product suitable for serving.
    [0003] A machine usually available over the counter for mixing such frozen food products uses an endless screw which extends into a generally funnel-shaped mixing vessel. A frozen food product such as ice cream and / or other ingredients (such as fruit) are placed in the container and are then mixed by the auger component of the machine. The mixing container typically allows the mixed product to be dispensed through its lower opening. However, such machines are bulky to use and require routine cleaning to comply with food safety rules. Additionally, machine operators have to prepare any additional ingredients before mixing, such as peeling and cutting fruit, which is time consuming and requires space and labor. An example of such a machine can be seen in the patent publication US 20080219090 to Duane H. Heinhold.
    [0004] In addition, various devices have been developed for mixing and dispensing a creamy form of frozen food products. An example of a conical screw mixer is Win-Chin Chiang's US Patent Publication 20080094934 which discloses a conical screw mixer which can be used for mixing as well as drying food materials. The conical screw mixer includes an inverted cone shaped vessel, a material inlet, a material outlet, a driven screw housed in the vessel, and at least two injection lines for non-diffusing gas attached to the vessel.
    [0005] U.S-6,071,006 to Hochstein and associates describes a new container equipped with an integral stirring mechanism. The container is used for a prepackaged food product, such as an iced drink. According to the patent, the agitator is fixedly configured as part of the vessel structure.
    [0006] Robert Joseph Baschnagel's U. S. patent publication 20070291583 discloses a beverage mixer system with a disposable cover allowing a user to discard the cover and the integrated mixing components present therein, after use.
    A capsule for beverage ingredients can be seen in U. S-9 072 402 by Antoine Ryser. According to the document, the capsule is designed for insertion into a beverage production device. The capsule comprises a cup-shaped body portion, a flange-shaped rim portion, a distribution wall and a sealing member having - in a radial sectional view - at least one concentric protrusion and / or recess. .
    [0008] A capsule for mixing a viscous beverage is disclosed in U.S. Patent Publication 20160214787. The capsule uses the pressure created by an internal mixing unit to pour the mixed beverage. The increased pressure is not ideal for achieving a desired consistency for certain frozen food products, such as ice cream, which contains a certain amount of “overpressure” or mixed air, to be considered top quality for service.
    [0009] Current solutions with worm components also run the risk of wearing out the blade as its edges are forced against the surfaces causing particles to inadvertently enter the food product. In addition, current feedback solutions for mixing control fail to assess the consistency of the food product when mixing without being in direct contact with the food product.
    [0010] Although there are solutions in the art for mixing and dispensing creamy food products, there is still a significant need in the art for an improved mixing and dispensing system which facilitates mixing and dispensing. Rapid distribution of frozen food products without requiring excessive maintenance or compromising food safety while ensuring the consistency of the distributed food product.
    ABSTRACT
    Aspects of the invention relate in part to the use of capsules storing a food product and being configured to mix and dispense the latter in an efficient and hygienic manner. Mixing of the food product works on the basis of a feedback system involving physical characteristics of the capsule and an electronic control system that operates the contents of the capsule.
    [0012] In one aspect, a capsule for mixing and dispensing the food product stored therein, comprises a receptacle with an upper opening and a lower opening. The lower opening is hermetically sealed by a gasket to form a receiving chamber surrounded by a wall of the receptacle. The receiving chamber is suitable for receiving and storing a food product. The food product is top sealed by a cover removably covering the top opening. The cover includes a central opening aligned, centrically, with the top opening.
    [0013] In the same aspect, the capsule also contains a mixing element in the receptacle and inserted into the food product. The mixing element has an upper end accessible through the central opening of the cover and a worm-shaped blade. The upper end has a contoured depression which is actuated by a drive shaft of an electronic control system. The drive shaft extends through the central opening of the cover to gain access to the profiled depression. Thus, the mixing element conforms closely to the profile of the receptacle wall. The receptacle and the mixing element gradually narrow around the lower opening.
    [0014] The worm-shaped blade comprises a first surface and a second surface joined by an edge which extends laterally from a central axis of the mixing element to the wall of the receptacle. The blade extends helically around the central axis of the upper end to a tip portion of the mixing element. The rotation of the worm-shaped blade causes at least one of the first surface and the second surface to move the food product around and along the central axis.
    Since the mixing element is operated by the electronic control system, the worm-shaped blade rotates and at least one of the first surface and the second surface pushes the food product so that it swirls in the receptacle until a desired consistency of the food product is reached. After obtaining the desired consistency and removing the removable seal, the food product is dispensed through the lower opening.
    The worm-shaped blade can be flush against the wall of the receptacle with a threshold tolerance of not less than 3 microns. This prevents wear of the worm blade and the deposition of trace contaminants in the food product, while ensuring an adequate seal between the edge and the wall. In addition, the upper end of the mixing element can include a surface which is flush against the lower surface of the cover. This seal causes the food product in the receiving chamber to be bonded by the lid, central axis, first surface, second surface and wall of the receptacle as it is moved by the rotation of the element. mixer.
    [0017] The worm-shaped blade can be divided into a plurality of pitches. Between each step, the first surface and the second surface may include a concave portion. The concave part can be used to pick up the food product in the direction in which the mixing element turns. The pitches can also facilitate ejection of the mixing element from manufacturing molds and impart rigidity to the worm blade.
    [0018] A torque applied to the mixing element by the drive shaft can be 5 to 15 Nm. This can help to break up the initially frozen food product. Additionally, in another aspect, the mixing element can be rotated at a threshold of the number of revolutions per minute necessary to generate a minimum centrifugal force to move the food product away from the central axis. In yet another aspect, the desired consistency can be achieved by determining whether a target current is consumed by the electronic control system. The target current can be encoded on a product label positioned on the exterior of the receptacle and readable by the electronic control system.
    [0019] In another aspect, a method for mixing and dispensing a food product from a capsule involves the step of actuating a mixing element disposed in a receiving chamber of a receptacle of the capsule. The receptacle has an upper opening and a lower opening and is covered by a cover having a central opening. The lower opening is hermetically sealed with a removable gasket. The receiving chamber is surrounded by a wall of the receptacle. The receiving chamber is suitable for receiving and storing a food product. the mixing element can be incorporated with the food product and includes an upper end which includes an opening accessible through the central opening of the lid.
    [0020] The actuation of the mixing element involves the step of mixing the food product to a creamy consistency. To achieve this, the mixing element comprises a worm-shaped blade having a first surface and a second surface joined by an edge which extends laterally from a central axis of the mixing element to be flush against. the wall of the receptacle. The worm-shaped blade extends helically from the upper end to a tip portion around the central axis.
    The worm-shaped blade is divided into a plurality of steps by one or more concave parts arranged between each of the steps. Mixing involves the step of rotating the mixing element through the drive shaft and thereby applying rotational torque to the food product. This causes one of the first surface, the second surface and the concave part (s) to move the food product around and along the central axis. The concave part (s) can pick up the food product in the direction in which the mixing element rotates. Rotation of the mixing element further causes the worm blade to move the food product outwardly relative to the central axis and urge the food product to spin against the wall of the receptacle.
    The actuation of the mixing element finally involves distributing the food product through the lower opening following the removal of the removable seal. First, however, the dispensing may additionally involve issuing a message to remove the removable seal from the lower opening of the receptacle. Alternatively, dispensing may further involve mechanically removing the removable seal from the lower opening of the receptacle via the electronic control system.
    [0023] Completing the step for mixing the food product may further involve detecting whether a threshold value has been met by the electronic control system. For example, the threshold value can be a number of revolutions per minute value and can be approximately 1000 to 1500 revolutions per minute. Alternatively or additionally, the threshold value may be a torque applied to the food product and may be approximately 5 to 15 Nm. Alternatively or in addition, the threshold value may be current consumed by the system. electronic control that is closely associated with the desired consistency.
    BRIEF DESCRIPTION OF THE DRAWINGS
    [0024] The embodiments of the present invention are illustrated by way of example and not by way of limitation, in the figures of the accompanying drawings, in which the same reference numbers indicate similar elements and in which:
    [0025] FIG. 1 illustrates a capsule having a mixing element rotatably disposed in a receptacle for mixing and creamily dispensing food products and / or beverages disposed in the capsule, in accordance with an exemplary embodiment of the present invention.
    [0026] FIG. 2 is an exploded view of the capsule of Figure 1 showing the receptacle, the mixing element, and a cover according to an exemplary embodiment of the present invention.
    [0027] FIG. 3 is another exploded view of the capsule shown in Figure 1, according to an exemplary embodiment of the present invention.
    [0028] FIG. 4 is a sectional view of the capsule of FIG. 1 showing a hollow central shaft which makes it possible to actuate the mixing element suspended in a food product by means of a drive shaft of an electronic control system through the cover of the capsule, according to an exemplary embodiment of the present invention.
    [0029] FIG. 5 is a block diagram of an electronic control system configured to operate the mixer element of Figure 1, in accordance with an exemplary embodiment of the present invention.
    [0030] FIG. 6 is a process flowchart describing an exemplary process for mixing and dispensing a frozen food product stored in a capsule, as shown in Figure 1.
    [0031] FIG. 7 illustrates the forces acting on the capsule during operation of the electronic control system.
    [0032] FIG. 8 is a process flowchart describing an exemplary process for mixing and dispensing a frozen food product stored in a capsule, as shown in Figure 1.
    [0033] FIG. 9A is a perspective view of a stepped embodiment of the mixing element.
    [0034] FIG. 9B is a left plan view of the stepped mixing element of Figure 9A.
    [0035] FIG. 9 This is a right plan view of the stepped mixing element of Figure 9A.
    [0036] FIG. 9Dis a front plan view of the stepped mixing element of Figure 9A.
    [0037] FIG. 9E is a rear plan view of the stepped mixing element of Figure 9A.
    [0038] FIG. 9F is a top plan view of the stepped mixing element of Figure 9A.
    [0039] FIG. 9G is a bottom plan view of the stepped mixing element of Figure 9A.
    [0040] FIG. 10 illustrates a sealed receptacle, according to one or more embodiments.
    Other characteristics of the present embodiments will emerge more clearly from the accompanying drawings and the following detailed description.
    DETAILED DESCRIPTION
    [0042] The detailed description presented below in conjunction with the accompanying drawings is intended as a description of various configurations and is not intended to represent only those configurations in which the concepts described herein can be practiced. The detailed description includes specific details to provide a thorough understanding of the different concepts. However, it will be more apparent to those skilled in the art that these concepts can be practiced without these technical details. In some cases, well-known structures and components are shown in block diagram form in order to avoid obscuring such concepts. The elements described here, as coupled, may have a direct or indirect connection with one or more other intermediate elements.
    Referring to Figures 1 to 3, a capsule 100 is shown as comprising a receptacle 102 which comprises an upper opening 102a and a lower opening 102b. The lower opening 102b can be hermetically sealed, for example, by using a gasket 114 to form a receiving chamber 102c surrounded by a wall 102d of the receptacle 102. The receiving chamber 102c is configured to receive and store products. food, especially frozen food products, due to a manufacturing process. The food product can include beverages, suspended solids, or any other food product that can benefit from mixing prior to distribution.
    [0044] The seal 114 can help prevent leakage of the food product outside the capsule 100, when the capsule is filled with the food product, i.e. through the upper opening 102a. and / or the lower opening 102b. The lower seal 114 prevents entry of contaminants into the receptacle and can be removed, for example, by removing a wrapper (not shown) which may adhere to the lower seal 114 and, when removed, may also remove the lower seal 114 to expose the lower opening 102b. The shape of the receptacle in the illustrated embodiments may be a substantially conical shape, the narrower end of which terminates at the lower opening 102b. The lower opening 102b may be an opening having walls formed for optimum distribution of the frozen creamy product. However, it should be understood that the scope of the present description is not limited to the shape of the receptacle 102 or the lower opening 102b.
    The capsule 100 further comprises a cover 110 covering, removably, the upper opening 102a of the receptacle 102. The cover 110 may include side walls 110b configured to fit on a flange 102e of the receptacle 102. The flange 102e may be formed to facilitate holding receptacle 102 in place, particularly when the internal components rotate by an external drive mechanism. In one embodiment, the flange 102e may be in the shape of a rectangle. In another embodiment, the flange 102e may include one or more fins (not shown) projecting from above and / or under the flange 102e and which can act as hooks and can facilitate holding the receptacle 102 in place and / or. or prevent it from rotating. For example, the flange 102e can fit into a support chamber which can receive the flange 102e in one or more recesses of the support chamber and hold the receptacle 102 in place and / or prevent it from rotating.
    The cover 110 comprises a central opening 110a which may preferably be circular from the point of view of shape, without being limited thereto. According to one embodiment, an additional seal (not shown) may be temporarily applied to the central opening 110a during packaging to prevent accidental leakage of the stored food product from the capsule 100 prior to deploying the capsule 100 to. that it engages with an electronic control system. Keeping the central opening 110a sealed prevents contaminants from entering the capsule 100 and prevents the contents of the capsule 100 from potentially leaking out of the capsule 100.
    The capsule 100 further comprises a mixing element 104 mounted in the receiving chamber 102c of the receptacle 102. The mixing element 104 is deposited in the receiving chamber 102c with a tip portion 104b oriented in the receiving chamber 102c . When properly disposed in the receiving chamber 102c, the mixing element 104 is installed in the capsule 100 so that an upper end 104a of the mixing element 104 is installed in the flange 102e of the receptacle 102. Thus, a lower surface 110c of the cover 110 is installed on both the flange 102e of the receptacle 102 and the upper end 104a of the mixing element 104.
    The mixing element 104 can be incorporated into the food product stored in the receiving chamber 102c, that is to say that the mixing element 104 can be freely suspended in the receiving chamber 102c and can be surrounded by the food product (eg ice cream).
    According to another embodiment, the mixing element 104 can be mounted in a fixed or removable manner in the receiving chamber 102c of the receptacle 102 with its upper end 104a fixed or removably attached to the cover 110.
    [0050] In one embodiment, the mixing element 104 is a component in the form of an endless screw, as best shown in the figures. The terms "worm" or "worm-shaped" as used herein, are intended to refer to any component comprising a screw-shaped surface. In one embodiment, "worm" or "worm-shaped" may refer to a conically or cylindrically profiled component having at least one large continuous surface (eg blade 104c) extending from helically around a central axis (eg shaft 104d) between an upper end (eg upper end 104a) and a tip portion (eg tip portion 104b). However, "worm" or "worm-shaped" is not intended to be limited to the illustrated embodiments or the above features. For example, "worm" or "worm-shaped" as used herein, may alternatively refer to a helically shaped component.
    [0051] According to a preferred embodiment, the mixing element 104 is a component in the form of an endless screw, as shown in Figures 1 to 4. The mixing element in the form of an endless screw 104 comprises an upper end. 104a, a tip portion 104b, a blade 104c and a central shaft 104d. The upper end 104a can be configured to engage a drive shaft of an electronic control system of a commercially distributed or specific design.
    [0052] In one embodiment, the upper end 104a comprises an opening 104th leading to a hollow interior 104f of the drive shaft 104d. A drive shaft 120 of an electronic control system (not shown) can be inserted into opening 104e and through at least a portion of the hollow interior 104f of center shaft 104d. Further, the drive shaft 120 and the hollow interior 104f can be any form factor. For example, as shown, the drive shaft 120 has a hexagonal profile. However, different form factors of drive shaft 120 can be used, such as a star or slot shape.
    [0053] The hollow interior 104f can be sized to at least match the length of the drive shaft 120. Alternatively, the hollow interior 104f can gradually narrow to a point, narrow to a point. 'to a flat surface, or include internal projections with which the drive shaft 120 can engage to more efficiently rotate the mixing element 104. Generally, the hollow interior 104f is a contoured depression. The hollow interior 104f plays a functional role, since the profile of the hollow interior 104f is formed so that a correspondingly shaped drive shaft (e.g. drive shaft 120) can come into place. grip and rotate the mixing element 104 in the capsule 100. The hollow interior 104f also reduces the overall material cost of the mixing element 104 and adapts the mixing element 104 for manufacturing, for example, with a mold. injection, since the hollow interior 104f facilitates removal from the injection mold.
    [0054] In a preferred embodiment, the central shaft 104d has a substantially conical shape. In another embodiment, the central shaft 104d has a substantially cylindrical shape. The blade 104c may extend around the center shaft and toward the tip portion 104b and the tip portion 104b may terminate in a flat surface (as shown). The diameter of the flat surface may be less than the diameter of the lower opening 102b and may be adjusted to modify the flow of food product 103 exiting the capsule 100.
    [0055] In a preferred embodiment, the blade 104c comprises an upper surface 104g and a lower surface 104h. The upper surface 104g and the lower surface 104h protrude from the central shaft 104d and couple at the outer edge 104i, which extends laterally from the central axis and rests substantially flush against the wall 102f of the reception room 102c. Mixing element 104 may conform closely to the profile of receptacle 102, but not make full contact to prevent the production of particulate matter generated due to friction between outer edge 104i and the wall of receptacle 102. This close contact allows the mixing element 104 to contain a flow of a food product 103. To ensure that the flow of the food product 103 is not obstructed or constrained, a space between the threads of the blade 104c can be a minimum distance. For example, the minimum tolerance between the outer edge 104i and the wall of the receptacle 102 may be at least 3 microns.
    [0056] The mixing element 104, as shown, is only one example of the structural form of a worm-shaped mixing element. Mixing element 104 may be a mirror image of what is shown or may be a completely different worm shape.
    In one embodiment, in a mode of mixing the capsule 100, the mixing element 104 is rotated in a particular direction (for example in the counterclockwise direction) by the action of the drive shaft 120. This mixes a food product 103 by causing the top surface 104g to push the food product 103 upward against the cover 110. As the food product 103 moves, it is pushed against the cover 110. , the food product 103 swirls near the top of the capsule 100, turning around in the flow of the food product 103. During this time, the cover 110 remains flush with the upper end 104a of the mixing element 104. , preventing the food product 103 from coming out of the capsule 100.
    [0058] The direction of rotation described above, which causes the top surface to push the food product 103 towards the cover 110, may be preferred for frozen food products. In another embodiment suitable for beverages, the mixing mode may instead involve the rotation of the mixing element 104 in another direction, causing the food product 103 to swirl near the lower sealed opening 102b. Once the food product 103 has been mixed, the seal 114 can be broken to allow the mixing element 104 to continue to rotate in the same direction to dispense the product.
    As the outer edge 104i slides against the wall 102f of the receptacle 102, the production of particulate matter, due to friction, can be reduced by ensuring that the outer edge 104i is precisely flush with the wall 102f to prevent excessive friction. . During operation, when the food product 103 (typically a frozen food product) melts, the molten food product effectively lubricates the outer edge 104i, thereby further reducing friction. Further, ideally, the drive shaft 120 does not apply a downward force to the mixing element 104, which is a conically shaped embodiment. Thus, the outer edge 104i of the blade 104c is not pushed excessively against the wall 102f.
    In a second mode of operation of the capsule 100, the mixing element 104 rotates in the direction of clockwise thanks to the action of the drive shaft 120 and distributes the food product 103 by bringing the lower surface 104h to push the food product 103 downwards and distribute the latter through the lower opening 102b.
    The contact friction between the outer edge 104i and the wall 102f is transformed into heat during the rotation. This heat can be conducted by the receiving chamber 102, the mixing element 104 and the cover 110 and gradually heats the food product 103 (typically frozen) as it is mixed and performs a translational movement towards the heat. cover by the movement of the blade 104c. Food product 103 is mixed in this manner until a desired consistency is obtained. The desired consistency of a food product may depend on the constituents of the food product, the user's particular taste, a manufacturer's recommendation.
    [0062] In another embodiment, the modes of operation may involve the rotation of the mixing element 104 in the same direction, i.e. downward towards the tip portion 104b. During the first mode of operation, the food product 103 can be mixed while the lower opening 102b remains sealed by the removable seal 114. Mixing in this way, as opposed to mixing to cover 110, prevents food product 103 from escaping between flange 104e and bottom surface 110c and through the central opening 110a of cover 110.
    In a second successive mode of operation, the lower opening 102b may not be sealed and the mixing element 104 may be rotated in the same direction (that is to say towards the tip portion 104b ). This has the effect of pushing the food product 103 through the lower opening 102b of the receptacle 102.
    [0064] In a preferred embodiment, the mixing element 104 rotates until the food product 103 reaches a desired consistency. When the mixing mode starts, torque applied to the drive shaft 120 may be the highest and the number of revolutions per minute of the drive shaft 120 may be the lowest due to resistance by the frozen or nearly frozen consistency of food product 103. As friction melts frozen food product 103, the load on the drive shaft decreases and the number of revolutions per minute of the drive shaft increases.
    Intuitively, temperature can be used to determine consistency, but temperature readings can only provide insight into measurements taken around the temperature sensor. The temperature of the food product near the outer wall of the capsule may be a different temperature than that of the food product near the central shaft. Although this problem can be solved by using a plurality of sensors to create a heat map, this may not be as convenient as using the actual number of revolutions per minute of the driveshaft, the rotational torque of drive shaft and / or the use of drive shaft motor current and against a threshold value intimately associated with a desired consistency.
    When the blade 104c whips the food product 103, the whole consistency is softened and the true number of revolutions per minute increases. The actual RPM can then be compared to a target RPM to reliably measure consistency. For example, a preferred target RPM of drive shaft 120 may be at least 1000 RPM. However, the target RPM may change based on the form factor of the components of the capsule 100, the specifications of the actuator 156, the initial consistency of the food product 103, the constituents of the food product 103, the components. food product manufacturer specifications 103, capsule dimensions and components therein, and other factors.
    In another embodiment, the desired consistency of the food product 103 can be facilitated by one or more heating elements in proximity to and / or in contact with any of the components of the capsule 100. For example, the drive shaft 120 can be coupled to a heat source. Therefore, the heated drive shaft 120 can transfer heat as an intrinsic heating element when coupled to the hollow interior 104f of the mixing element 104. Thus, the heat can then be transferred to the product. 103 via the body of the mixing element 104. In another example, a cavity for housing the capsule 100 during the above-mentioned modes of operation, may also transfer heat to the capsule 100 as an extrinsic heating element. . The heat can be transferred to the food product 103 through the wall 102f of the receiving chamber 102c.
    Referring now to Figures 1 to 6, Figure 5 is a block diagram of an electronic control system (ECS) 150. The ECS 150 includes the drive shaft 120, a processor 152, a memory 154, an actuator 156, one or more sensors 158 and one or more heating elements. In one embodiment, the one or more sensors 158 comprise one or more of the group comprising: a number of revolutions per minute sensor, a proximity sensor, a temperature sensor, a current sensor, a dynamometer and a sensor. optical. Actuator 156 refers to any electromechanical device that can actuate the drive shaft 120, i.e. insert the drive shaft 120 into the center shaft 104d and then rotate the drive shaft 120. mixer element 104. Based on a given load, actuator 156 is configured to apply a certain amount of torque. Other electronic control systems which effectively actuate mixing element 104 through central opening 110a of cover 110 may be contemplated by those skilled in the art and are considered within the scope of the embodiments expressed herein.
    Further with reference to Figure 6, in one embodiment, memory 154 stores instructions executable by processor 152 which, when executed, cause ECS 150 to perform a method 160 for using a capsule 100 in order to mix a food product 103 inside the latter and then distribute the food product 103.
    [0070] In one embodiment, method 160 involves an optional step 161 to determine that capsule 100 is disposed in a predetermined position. The predetermined position ensures that the mixing element 104 is aligned with and in proper proximity to the drive shaft 120. In one example, the capsule 100 may be disposed in a specified portion of a housing (not shown) of the ECS. 150. A user can place the capsule 100 and the placement of the latter can be determined by the one or more sensors 158 of the ECS 150.
    Or the user can place the capsule 100 in the predetermined position and trigger a “start” button which can cause the ECS 150 to continue without having completed step 161.
    In one embodiment, the ECS 150 then performs a step 163 to actuate the mixing element 104 in a mixing mode in which the mixing element 104 is rotated by the drive shaft 120 in a direction so that the food product 103 is pushed by the mixing element 104 towards the cover 110.
    In another embodiment, the ECS 150 performs a step 163 to actuate the mixing element 104 in a mixing mode in which the mixing element 104 is rotated by the drive shaft 120 in a direction so that the food product 103 is pushed by the mixing element 104 towards the lower opening 102b.
    Among the functions of the ECS 150 is the measurement of the true number of revolutions per minute of the drive shaft 120 during rotation (in any direction). Depending on the consistency of the food product 103 at the time of actuation, the actual number of revolutions per minute of the drive shaft 120 can vary widely. It is generally accepted that an initial consistency of frozen food product 103 provides greater resistance to rotational force than when frozen food product 103 is heated. When the mixing element 104 is initially rotated, the rotational load on the mixing element 104 is the highest, and when the food product 103 is mixed, the friction between the blade 104c and the wall 102f of the receptacle 102c may generating heat which softens the consistency of the food product 103. Once the consistency of the food product 103 is softened, the actual number of revolutions per minute of the drive shaft 120 increases (i.e. torque decreases) and can be used by the processor to determine how close the food product 103 is to the desired consistency. In one embodiment, the actual RPM of drive shaft 120 is compared to a target RPM by processor 152. Achieving the target RPM indicates that a desired consistency was obtained. The target revolutions per minute can be a particular value, such as 1000 revolutions per minute, or can be a range of revolutions per minute. The number of revolutions per minute may vary depending on the contents of the food product 103. The target revolutions per minute may be provided by the manufacturer of the ECS or the manufacturer of the capsule.
    [0075] In another embodiment, step 163 involves determining whether the desired consistency is achieved by measuring the external temperature of receptacle 102. Based on a predetermined model, the internal temperature can be determined based on the external temperature. For example, the interior of receptacle 102 may be approximately 2 degrees Celsius lower than the exterior, but the difference may differ depending on the heat transfer coefficient of the contents of the food product 103, the material used for the receptacle 102, the size of the wall 102f, and other factors. While temperature can be easy to measure and can be applicable to many situations where quality control is desired prior to dispensing, other measurements can be used to more accurately assess the consistency of the mixed food product 103, including, without be limited to: the number of revolutions per minute of the drive shaft 120, current consumption by the electronic control system while mixing the food product 103, a rotational torque applied to the mixing element 104 by l drive shaft 120 and a downward force exerted on receptacle 102 by rotation of mixing element 104.
    When the target number of revolutions per minute has been reached, the ECS 150 performs a step 164 to actuate the mixing element 104 in a distribution mode in which the mixing element 104 is rotated by the shaft of Driving 120 in a direction opposite to that of the mixing mode so that the food product 103 is pushed by the mixing element 104 toward a lower opening 102b of the capsule 100 and distributed therethrough.
    In an additional step 162, performed after step 161, the ECS 150 can recognize, through one or more sensors, a food product label 102g attached or printed on the outside of the receptacle 102. In a One embodiment, the tag 102g may include the identification information (ID) of the food product 103 stored in the receptacle 102 and further parameters which may modify the operation of the ECS 150. For example, the tag 102g may comprising a threshold target associated with the food product 103 stored therein. Or the tag 102g may include food ID information which can be used to search for a threshold target from a library of key value pairs stored in memory 154 and searchable by processor 152. After reading the l tag 102g, for example, through an optical sensor of the ECS 150, the ECS 150 can use the information to adjust the threshold target. A threshold target may include one or more target values, such as, but not limited to, a target number of revolutions per minute of the drive shaft 120, a target current drawn by the electronic control system, a torque of target rotation of drive shaft 120, a target downward force applied to receptacle 102, or a target internal temperature of receptacle 102.
    [0078] In another example, the tag 102g may be a company logo or mark which can be recognized by the processor 152 as a known mark. Based on the logo and / or other ID information, the ECS 150 may use a corresponding configuration information stored in a library in the memory 154 to perform the operation of the ECS 150. In yet another example, the tag 102g can include one or more RGB values, the corresponding data of which can be stored in a library in memory 154 of the ECS 150.
    In another example, the tag 102g may include a predetermined temperature against which the external temperature of the receptacle 102 is compared. In another example, the tag 102g may include a period of time to be spent actuating the mixer element 104. In another example, tag 102g may include a static or variable nominal torque to be applied through actuator 156. Tag 102g may include any of the above information under a human readable form and / or a machine readable form (eg, bar code, QR code) and can be read by any of one or more sensors 158. A machine readable form may be preferred in order to automate the ECS 150 and reconfigure the ECS 150 if necessary on the basis of the capsule 100 used.
    [0080] In another embodiment, the functions of the ECS 150 can be operated manually by a user, for example in a commercial or residential environment. A user can select a capsule 100 from a plurality of capsules having different types of frozen food products stored therein, such as different flavors of ice cream. The ECS 150 may include one or more control interfaces 151 to initiate certain operations, such as buttons, dials or sliders. In one embodiment, a drive shaft engagement button can be activated to cause drive shaft 120 to engage with mixing element 104 after the user places the capsule. in an appropriate position. In another embodiment, a mixing button can be activated to rotate the mixing element 104 according to a mixing mode in which the food product 103 is pushed towards the cover 110. In yet another embodiment, a button The dispenser can be activated to rotate the mixing element 104 according to a dispensing mode in which the food product 103 is pushed towards the lower opening 102b. In yet another embodiment, a dial can be used to manually increase or decrease the amount of rotational torque applied by drive shaft 120 and change the number of revolutions per minute of mixing element 104.
    With reference to FIG. 7, a stress curve is shown. In one embodiment, the electronic control system can receive the capsule 100 in its chamber (not shown). The chamber may include a groove which can accommodate, among other things, the shape and thickness of flange 102e of receptacle 102. The electronic control system may further include force sensors 172 and 178 disposed in the groove. These force sensors can be used by processor 152 to measure rotational and downward forces on mixing element 104 and / or receptacle 102.
    In one embodiment, the torque applied to the mixing element 104, the food product 103 (not shown in FIG. 7), and then to the receptacle 102 via the drive shaft around the axis 170, can be measured by a force sensor disposed perpendicular to axis 170. For example, a force sensor 172 can be disposed perpendicular to flange 102e to measure a force 174. The rotational torque can be a product of radius 176 (i.e. the horizontal distance from the point at which force 174 is exerted and where axis 170 meets the upper end 104a), applied force 174 and of the sine of the angle Θ, as shown. Other force sensors can be similarly positioned relative to axis 170 to measure the rotational torque applied to receptacle 102.
    Rotational torque can be one of many measurements that can be used to guess the consistency of capsule contents in real time. In a preferred embodiment, a certain amount of torque can be applied to achieve a desired number of revolutions per minute of the mixing element 104 and effectively push the contents of the capsule away from the central axis 170 via centrifugal force. . During operation, a minimum centrifugal force may be required to push the contents of the capsule away from the central axis of the mixing element 104. This centrifugal force can be obtained within a range of revolutions per minute, such as than approximately 1000 to 1500 revolutions per minute. Depending on the initial hardness of the contents of the capsule and the ingredients therein, a torque range of approximately 5 to 15 Nm may be appropriate.
    [0084] In another embodiment, a force sensor 178 can be disposed coplanar with and below the flange 102e to measure a downward force 179 exerted on the receptacle 102 applied by the food product 103, which is pushed towards the bottom of the receptacle 102 when the mixing element 104 is rotated. This downward force 179 can also be used to guess the consistency of the food product 103. While the food product 103 is substantially solid, the downward force 179 exerted may be greater than when the consistency of the food product 103 softens.
    [0085] In another embodiment, the electronic control system can measure current during operation. The current can directly correlate with the torque applied to the capsule via the drive shaft and can be monitored to assess the consistency of the mixed product. In conjunction with the actual force measurement via force transducer 172, the current can be used by the electronic control system to determine an optimal run time for the contents of the capsule. By using the above measurements to provide feedback to the electronic control system during mixing, the operation of the electronic control system can be agnostic to its environmental conditions or the contents of the capsule.
    Referring to Figure 8, there is shown a method 180 for dispensing a mixed food product contained in a capsule. In step 181, a method for dispensing a food product through a receptacle of a capsule, as described in the embodiments, herein involves the step of applying a target rotational torque to a mixing element located in the receptacle. The rotation of the mixing element causes the food product to move through a passageway created by the helical blade of the worm-shaped mixing element against the walls of the receptacle, towards a tip portion of the mixing element, and up against a removable seal covering a lower opening of the receptacle. The food product can mix gradually as it swirls in the receptacle and against the walls of the latter.
    [0087] In order to achieve a desired consistency, mixing preferably involves rotating the mixing element at approximately 1000 to 1500 revolutions per minute, applying a torque to the mixing element from approximately 5 to 15 Nm, and / or the application of a threshold current to a drive shaft motor rotating the mixing element. Threshold current may vary based on motor power, power supply, and other components. Generally, the threshold current is a minimum current necessary to obtain the number of revolutions per minute or the nominal torque.
    The 1000 to 1500 rpm range has been found to reliably exert centrifugal force on the food product and effectively push the food product away from a central axis extending vertically through the helical blade of the mixing element. Food product that remains against the center shaft of the mixing element can harden prematurely and prevent the formation of a homogeneous mixture. Thus, centrifugal force is a necessary component of the mixing process. A torque applied to the food product should sufficiently break the initial typically solid consistency of the food product. Although the content of different varieties of food products may differ, a torque of 5 to 15 Nm is sufficient to reliably mix a desired creamy consistency. These measurements, which are intrinsic to the physical components of the system, can be directly correlated with a current drawn by the electronic control system, which serves as a measure of extrinsic consistency and which can be invoked in place of or in combination with the measurements below. -above.
    In a step 182, the method further involves determining whether a target threshold value has been satisfied. A threshold target may include one or more target values, such as, but not limited to, a target number of revolutions per minute of the drive shaft 120, a target current drawn by the electronic control system, a torque of target rotation of drive shaft 120 (i.e. measured by force sensor 172), a target downward force applied to receptacle 102 (i.e. measured by force sensor 178), or a target internal temperature of receptacle 102. The one or more target values can be derived by scanning a label 102g of the receptacle. Tag 102g may refer to a pair of key values stored in a memory of an electronic control system or a memory of a networked data processing device.
    In a preferred embodiment, the method involves determining whether a threshold torque is applied to the mixing element by measuring a current consumed by the electronic control system during mixing and comparing the current to a target current value associated with a known rotational torque to produce a desired consistency of the food product stored in the capsule. For example, an effective torque value to achieve a desired consistency may be about 5 to 15 Nm.
    In a step 183, after having determined that the threshold value has been satisfied, the electronic control system can stop the mixing and provide a message to remove the seal from the lower opening of the receptacle and receive a confirmation to continue. Confirmation can be provided by a user through an input interface of the electronic control system (eg “Dispense” button).
    Alternatively, in step 183, a downward force exerted on the capsule 100 can be measured to determine if the removable seal 114 has been removed. When the seal is in place, the downward pressure from the rotation of the food product can exert a downward force on the removable seal 114, which in turn can pull on the receptacle 102, as the Adhesion between the removable seal and the receptacle can withstand. The system can be pre-programmed to prevent the measured downward force from exceeding a known value which can cause the removable seal to inadvertently engage and the food product to be dispensed prematurely.
    [0093] The system can also be pre-programmed to detect whether the food product is being dispensed when the mixing element 104 rotates, that is to say whether the removable seal 114 has been removed. This can be detected, for example, if the downward force on receptacle 102 no longer changes significantly, as the load on mixing element 104 increases or decreases. This is the case because pressure does not build up in receptacle 102 after receptacle 102 has been unsealed. However, in the majority of cases, the removal of the removable seal 114 may not be reliably observed using the force sensors. Instead, in one embodiment, the electronic control system may include an infrared transmitter and sensor positioned toward the removable seal 114. The transmitter / sensor combination can allow the electronic control system to detect the presence of objects in the line of sight of the transmitter / sensor. A removable seal can be easily recognized as a typically reflective stationary static surface. Thus, the transmitter / sensor can be used to allow a further way for the electronic control system to automate the dispensing process 180.
    [0094] Alternatively, in step 183, the electronic control system can remove the removable seal 114 automatically. For example, as shown in Figure 10, the capsule 1000 may include a removable seal 114 with an annular handle 1015. The annular handle 1015 can be mechanically removed and disposed of in a trash can, for example, by the action of latch pulling the ring from the receptacle 1002. In a non-mechanical embodiment, a user can manually remove the seal via the annular handle 1015.
    At a step 184, following receipt of the confirmation, the method involves applying a predetermined torque to the mixing element 104 and distributing the food product 103 at the desired consistency through the lower opening of the receptacle 102.
    Referring to Figure 9, there is shown a perspective view of a stepped mixer element. Figures 9B-G are its plan views. As shown in Figure 9, the helical blade 904c of the mixing element 904 may include one or more stepped portions 904j. In another embodiment, only one of the two surfaces can be stepped, that is, the unstaged surface can be linear like the rest of the parts of the surface.
    The stepped portion 904j can include a concave surface and effectively separates the helical blade 904c in several steps. The curvature of the stepped portion 904j can allow the mixing element 904 to exert forces more directly on the food product. Otherwise, the helical blade 904c maintains an even tilt along the upper surface 904g and the lower surface 904h. The stepped portion 904j can aid in mixing the food product by providing a pickup action. In other words, the stepped part 904j can pick up and agitate the food product when the mixing element 904 rotates in the direction in which the stepped part 904j is oriented.
    [0098] In addition to aiding mixing, the stepped portion 904j can aid in manufacturing in an injection molding environment, by facilitating the ejection of the mixing element 104 after forming in the mold. In addition, the stepped part 904j can add rigidity to the structure. In another embodiment, the outer edge 904i can be chamfered to add more rigidity.
    All references including patents, applications and patent publications cited herein are incorporated herein by reference in their entirety and in all respects in the same way as if each publication or patent or individual patent application was specifically and individually indicated to be incorporated by reference in its entirety in all respects.
    权利要求:
    Claims (17)
    [1]
    1. Capsule for mixing and dispensing a frozen food product potentially stored in it, comprising:a receptacle comprising an upper opening and a lower opening, wherein the lower opening is hermetically sealed by a removable gasket to form a receiving chamber surrounded by a wall of the receptacle, in which the receiving chamber is adapted to receive and store a food product inside the latter,a cover removably covering the upper opening, wherein the cover includes a central opening, a top surface and a bottom surface;a mixing element disposed in the receiving chamber and capable of being incorporated into the food product, the mixing element having an upper end accessible through the central opening of the cover and a blade in the form of an endless screw; and in which:the upper end of the mixing element comprises a profiled depression which is actuated by a drive shaft of an electronic control system through the central opening of the cover,the worm-shaped blade comprises a first surface and a second surface joined by an edge which extends laterally from a central axis of the mixing element to the wall of the receptacle;the mixing element conforms closely to the profile of the receptacle;the worm-shaped blade extends helically from the upper end to a tip portion around the central axis so that the rotation of the worm-shaped blade brings the least one of the first surface and the second surface to move the food product around and along the central axis;the receptacle and the mixing element gradually narrow around the lower opening;when the mixing element is actuated by the electronic control system, the worm-shaped helical blade of the mixing element rotates and at least one of the first surface and the second surface causes the food product to spin in receptacle until a desired consistency is achieved and to be dispensed through the bottom opening when the removable seal has been removed.
    [2]
    2. Capsule according to claim 1, wherein the edge of the worm-shaped blade is flush against the wall of the receptacle.
    [3]
    3. The capsule of claim 2, wherein a tolerance between the edge and the wall of the receptacle is as small as 3 microns.
    [4]
    4. Capsule according to claim 1, in which:the worm-shaped blade is divided into a plurality of pitches;the first surface and the second surface include a concave part between each of the steps,wherein the concave portion of at least one of the first surface and the second surface picks up the food product in the direction in which the mixing element rotates.
    [5]
    5. The capsule of claim 1, wherein the upper end comprises a surface which is flush against the lower surface of the cover.
    [6]
    The capsule of claim 1, wherein a torque applied to the mixing element by the drive shaft is approximately 5 to 15 Nm.
    [7]
    7. The capsule of claim 1, wherein the mixing element rotates at a threshold number of revolutions per minute necessary to generate a minimum centrifugal force to push the food product from the central axis.
    [8]
    The capsule of claim 1, wherein the desired consistency is associated with a target current consumed by the electronic control system during actuation of the drive shaft.
    [9]
    9. The capsule of claim 5, wherein the target current is encoded on a product label positioned on the outside of the receptacle and readable by the electronic control system.
    [10]
    10. A method for mixing and dispensing a food product stored in a capsule, comprising the following steps: actuating, by means of a drive shaft of an electronic control system, a mixing element arranged in a receiving chamber of '' a capsule receptacle,wherein the receptacle comprises an upper opening and a lower opening,wherein the lower opening is hermetically sealed by a removable gasket and the receiving chamber is surrounded by a wall of the receptacle,in which the receiving chamber is adapted to receive and store a food product inside the latter,wherein the receptacle further comprises a cover having a central opening,wherein the mixing element is incorporated into the food product and comprises an upper end having an opening accessible through the central opening;wherein actuation of the mixing element involves mixing the food product to a creamy consistency,wherein the mixing element further comprises a worm-shaped blade having a first surface and a second surface joined by an edge which extends laterally from a central axis of the mixing element and is flush with the wall of the receptacle,wherein the worm-shaped blade extends helically from the upper end to a tip portion around the central axis,wherein the worm-shaped blade is divided into a plurality of pitches; wherein the first surface and the second surface include a concave portion between each of the pitches;wherein the mixing step involves the step of rotating the mixing element via the drive shaft and thereby applying a rotational torque to the food product, causing one of the first surface, the second surface and the concave part to move the food product around and along the central axis,wherein the step of rotating the mixing element causes the worm-shaped helical blade to move the food product outwardly relative to the central axis and urge the food product to spin against the wall of the receptacle;wherein the step of actuating the mixing element further involves the step of dispensing the food product through the lower opening.
    [11]
    The method of claim 10, wherein the step of rotating the mixing element causes the concave portions of at least one of the first surface and the second surface to pick up food product in the direction in which the food product is picked up. mixing element is rotating.
    [12]
    The method of claim 10, wherein the step of dispensing the food product further involves the step of issuing a message to remove the removable seal from the lower opening of the receptacle.
    [13]
    13. The method of claim 10, wherein the step of dispensing the food product further involves the step of mechanically removing the removable seal from the lower opening of the receptacle via the electronic control system.
    [14]
    14. The method of claim 10, wherein the completion of the step for mixing the food product further involves the step of detecting whether a threshold value has been met by the electronic control system.
    [15]
    15. The method of claim 14, wherein the threshold value is a number of revolutions per minute value and is approximately 1000 to 1500 revolutions per minute.
    [16]
    16. The method of claim 14, wherein the threshold value is rotational torque applied to the food product and is approximately 5 to 15Nm.
    [17]
    17. The method of claim 14, wherein the threshold value is a current consumed by the electronic control system which is closely associated with the desired consistency.
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    同族专利:
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    WO2019117804A1|2019-06-20|
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    US20210227848A1|2021-07-29|
    CH716468B1|2021-08-31|
    CN111615491A|2020-09-01|
    US20190357564A1|2019-11-28|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US201762599732P| true| 2017-12-17|2017-12-17|
    US16/533,784|US20190357564A1|2017-12-17|2019-08-07|Capsule-based food product blending and dispensing system and associated methods|
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