• 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:
    HEAT EXCHANGER FOR COOLING A COMPRESSED AIR FLOW USING A LIQUID COOLER. A heat exchanger for cooling a stream of compressed air through a liquid cooler includes a stack of cooler flow plates extending in a stacking direction. An enclosure surrounds the stack of cooler flow plates to at least partially define the flow path for the compressed air, and includes a first wall generally disposed in a plane parallel to the stacking direction, a second wall joined to the first wall, and generally disposed in a second plane perpendicular to the stacking direction, a cooler door provided on an outer surface of the first wall, an opening provided on an inner surface of the second walls, and a cooler flow path extending through the interior of both of the first walls. wall and the second wall between the cooler door and the opening.
    公开号:BR102016003337B1
    申请号:R102016003337-3
    申请日:2016-02-17
    公开日:2021-05-25
    发明作者:Steven Meshenky；Christopher Michael Moore
    申请人:Modine Manufacturing Company；
    IPC主号:
    专利说明:

    FUNDAMENTALS
    [001] Charge air coolers are used in conjunction with turbocharged internal combustion engine systems. In such systems, residual energy from the combustion exhaust is recovered through an exhaust expansion turbine, and the recovered energy is used to compress or "boost" the inlet air pressure (referred to as "charge air" ) to be supplied to the engine. This raises the engine's operating pressure, thereby increasing thermal efficiency and providing greater fuel economy.
    [002] Compression of charge air using exhaust gases typically leads to a substantial increase in air temperature. This temperature rise may be undesirable for at least two reasons. First, the density of air is inversely proportional to its temperature, so the amount of air mass entering the combustion cylinders in each combustion cycle is less when the air temperature is high, leading to reduced engine output. Second, the production of unwanted and/or harmful emissions, such as nitrogen oxides, increases as the combustion temperature increases. The emission levels of internal combustion engines are tightly regulated, often making it necessary to control the temperature of the air entering the combustion chambers to a temperature that is relatively close to the ambient air temperature. As a result, charge air cooling using charge air coolers has become common for turbo engines.
    [003] In some applications, the charge air is cooled using a liquid cooler (eg motor cooler). Some known types of these liquid-cooled charge air coolers include a metal core with closed liquid passages disposed in a heat transfer relationship to air passages, and a shell around the core to direct the charge air flow through. of the air passages. SUMMARY
    [004] According to an embodiment of the invention, a heat exchanger for cooling a stream of compressed air through a liquid cooler includes a stack of cooler flow plates extending in a stacking direction. Air fins are disposed between adjacent plates of the cooler flow plates to provide flow paths through the heat exchanger for compressed air flow. A cooler inlet manifold and a cooler outlet manifold are defined by the stack of cooler plates. An enclosure surrounds the stack of cooler flow plates to at least partially define the flow path for the compressed air, and includes a first wall generally disposed in a plane parallel to the stacking direction, a second wall joined to the first wall, and generally disposed in a second plane perpendicular to the stacking direction, a cooler door provided on an outer surface of the first wall, an opening provided on an inner surface of the second walls, and a cooler flow path extending through the interior of both of the first walls. wall and the second wall between the cooler door and the opening. A seal is disposed between the opening and the stack of cooler flow plates to provide leak-free communication between the cooler port and one of the cooler manifolds.
    [005] In some embodiments, the heat exchanger includes a second door, a second opening, and a second cooler flow path extending through the interior of both the first wall and the second wall between the second cooler door and the second opening. The second cooler flow path is separated from the first cooler flow path. A second seal provides leak-free communication between the second port and the other collector.
    [006] In some embodiments, the first wall and the second wall are both formed as part of a single unitary piece. In some such embodiments the single unitary part is a molded plastic part, and in other embodiments the single unitary part is a cast aluminum part. In some embodiments the stack of cooler flow plates, air fins, and casing are joined together by braze joints, and the seal is provided by braze joints.
    [007] According to another embodiment of the invention, a heat exchanger for cooling a flow of compressed air through a liquid cooler includes a stack of cooler flow plates extending in a stacking direction. Air fins are arranged between providing flow paths through the heat exchanger for compressed air flow. A cooler inlet manifold and a cooler outlet manifold are defined by the stack of cooler plates. An enclosure surrounds the stack of cooler flow plates to at least partially define the flow path for the compressed air, and includes one or more outwardly-facing surfaces, one or more inward-facing surfaces, a provided cooler port. on one of the outwardly facing surfaces, an opening provided in one of the inwardly facing surfaces, and a cooler flow path extending between the cooler door and the opening. The cooler flow path is at least partially located between the inwardly facing surfaces and the outwardly facing surfaces. A seal is disposed between the opening and the stack of cooler flow plates, and provides communication without fluid leakage between the cooler port and one of the cooler manifolds.
    [008] In some embodiments, the cooler flow path includes a first portion extending in a direction that is generally parallel to the stacking direction, and a second portion extending in a direction that is generally perpendicular to the stacking direction. In some embodiments the cooler flow path includes at least one right hand turn between the cooler door and the opening, and in some embodiments at least two right hand turns.
    [009] In some arrangements the stack of plates joined together by means of brazing joints. In some embodiments the seal between the opening and the stack of cooler flow plates is provided by brazing joints.
    [010] In some embodiments the casing includes a first formed sheet metal piece and a second formed sheet metal piece. The first formed sheet metal piece has a first and a second door receiving opening for receiving a first and a second cooler door, respectively. The second sheet metal piece formed has first and second openings. The first and second sheet metal pieces formed together define a first cooler flow path extending between the first cooler door and the first opening, and a second cooler flow path extending between the second cooler door and the second opening . BRIEF DESCRIPTION OF THE DRAWINGS
    [011] Figure 1 is a perspective view of a heat exchanger according to an embodiment of the invention.
    [012] Figure 2 is an exploded perspective view of the heat exchanger of Figure 1.
    [013] Figure 3 is a partial section side view of the heat exchanger of Figure 1.
    [014] Figure 4 is a partial perspective view of selected portions of the heat exchanger of Figure 1.
    [015] Figure 5 is a perspective view of a heat exchanger according to another embodiment of the invention.
    [016] Figure 6 is an exploded perspective view of the heat exchanger of Figure 5.
    [017] Figure 7 is a perspective view of a component used to build the heat exchanger of Figure 5. DETAILED DESCRIPTION
    [018] Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and arrangement of components presented in the following description or illustrated in the accompanying drawings. The invention is capable of other modalities and of being practiced or being carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be considered as limiting. The use of the term "including", "comprising" or "having" and its variants herein is intended to encompass the items listed below and their equivalents, as well as additional items. Unless otherwise specified or limited, the terms "mounted", "connected", "supported", and "coupled" and their variations are used broadly and cover both direct and indirect assemblies, connections, supports, and couplings. Furthermore, "connected" and "coupled" is not restricted to physical or mechanical connections or couplings.
    [019] Figure 1 depicts a heat exchanger 1 according to an embodiment of the invention. The heat exchanger 1 can be used as a charge air cooler to cool a stream of compressed air through a liquid cooler, among other purposes. The heat exchanger 1 may be especially suitable for use in an engine system, such as by a vehicle, and may be directly or indirectly coupled to a turbocharged engine or supercharged mechanism in order to cool compressed air charge from a turbocharger or supercharger before delivering such air to the engine inlet manifold.
    [020] The heat exchanger 1 includes (as best seen in Figures 2 and 3) a metallic heat exchange core formed as a stack 2 of cooler plates 19, which is inserted into an enclosure 3. The enclosure 3 includes an air inlet 13 that can be coupled to a source of compressed air (eg a turbocharger or supercharger outlet) and an air outlet 14 that can be coupled, directly or indirectly, to the engine inlet manifold. The stack 2 of cooler plates is located within an interior volume delimited by the inwardly facing surfaces of the housing 3 between the air inlet 13 and the air outlet 14, so that the compressed air that passes through the heat exchanger 1 from input 13 to output 14 is directed through stack 2.
    [021] Adjacent plates of the individual cooler plates 19 are joined at their corresponding edges to form cooler flow passages 5 within the stack 2, the cooler flow passages 5 being sealed from the interior volume of the enclosure 3 to prevent mixture between the air passing through and the cooler. Air fins 6 are disposed between and joined to cooler plates 19 to provide flow channels for air passing through heat exchanger 1. In this mode, stack 2 provides alternating cooler passages and air passages to promote the efficient transfer of heat from the air to the cooler, thus cooling the air. <i
    [022] Cooler passages 5 extend between cooler manifolds 7, formed by upwardly facing flanges of the individual cooler plates 19 and extending in the stacking direction of the cooler plates 19, as best seen in Figure 3. In exemplary embodiment As best seen in the exploded view of Figure 2, a cooler manifold 7a and a cooler manifold 7b are provided at a common end of the stack 2 so that the cooler flow channels 5 describe a shaped flow path. of U through the cell 2. In other modes the collectors 7 can be provided at opposite ends of the cell 2.
    [023] The stack 2 of cooler plates is bounded at one end by a mounting plate 15, which is somewhat larger in size than the cooler plates 19 so that its periphery extends outwardly beyond the footprint of the plates 19. After insertion of the battery 2 into the housing 3, the exposed periphery of the mounting plate 15 rests on a top surface 16 of the housing 3. Corresponding mounting features 17 on the mounting plate 15 and the top surface 16 can be used to structurally attach stack 2 to housing 3 (such as threaded fasteners, rivets, or the like}. Although not shown, a seal (eg, a gasket) may be provided at the interface between the mounting plate 15 and the top surface 16 in order to prevent air leakage at this interface. Alternatively, the mating surfaces can be otherwise sealed (eg by means of adhesives, welding, etc.).
    [024] In some especially preferred embodiments the components of stack 2 (eg, cooler plates 19, air fins 6, and top plate 15) are formed from aluminum alloy and are welded together to form a monolithic component. .
    [025] Previously known heat exchangers employed for such purposes include cooler ports formed as part of the metallic heat exchange core, for example, by brazing port ends to the top mounting plate to communicate with the cooler manifolds. . In certain applications, however, such positioning of cooler ports, and the associated cooler lines connected to the ports in order to interconnect the heat exchanger with the cooler system, can be problematic. By way of example, positioning of cooler doors can be hampered by the positioning of other engine components directly adjacent to certain portions of the heat exchanger. In addition, the need to maintain access to cooler doors after installation, for example, for the purposes of coupling and decoupling cooler lines (such as may be necessary for routine service or maintenance), can impose restrictions on the Permissible positioning of cooler doors.
    [026] Such difficulties are addressed in heat exchanger 1 through cooler ports 4 provided on an outwardly facing surface of housing 3. Packaging of heat exchanger 1 for the engine system can be greatly simplified through such advantageous positioning of the cooler ports 4 on the housing side, 3, rather than extending through the top plate 15 of the stack 2. During operation, liquid cooler 26 is received in one of the ports 4a, 4b from a cooler system and is directed to a corresponding one of the cooler manifolds 7a, 7b. Likewise, the cooler, after having passed through the cooler passages 5, is delivered from the other one of the cooler manifolds 7a 7b to the other one of the ports 4a, 4b to be returned to the refrigeration system.
    [027] Cooler routing between ports 4 and manifolds 7 is achieved by means of cooler flow paths 11 extending through the interior of walls of housing 3. Such cooler flow path 11 is shown, for mode example of Figure 1, in the partial sectional view of Figure 3, depicting a cross section extending through one of the doors 4 and a corresponding one collector 7. It should be noted that the sectional view of Figure 3 applies equally to either of the ports 4A, 4E and corresponding cooler manifolds 7a, 7b.
    [028] As shown in Figure 3, the cooler flow path 11 connecting a port 4 to a cooler manifold 7 is formed in the casing 3. The casing 3 is constructed as a unitary piece, by, for example, molding by plastic injection, spin molding, metal injection molding, sand melting, lost core melting, mold melting, or other known manufacturing means capable of producing such a liquid form. Suitable materials for construction of housing 3 include (without limitation) structural plastics, aluminum and magnesium alloys.
    [029] The casing 3 is bounded by several outer walls arranged so that the inwardly facing surfaces of the walls enclose the inner volume, with access provided for the insertion of the stack 2 such that the top plate 15 provides the wall remaining required to completely enclose the interior volume (with the obvious exception of air inlet 13 and air outlet 14). In order to avoid undesirable deflection of air around stack 2, it is especially desirable for these shell walls around stack 2 to be relatively closely arranged to stack 2. Thus, shell 3 includes a wall 9 generally disposed of. so as to be in a plane parallel to the stacking direction of the cooler plates 19 forming the stack 2. Such an arrangement of the wall 9 allows for a relatively close spacing from the edge of the stack 2 to the wall 9 in order to minimize unwanted deflection of air.
    [030] It should be understood that the terminology "generally arranged to be...parallel" as used herein is not intended to imply that the wall is completely parallel to the stacking direction. Manufacturing concerns may dictate, for example, that an angle of inclination can be included in a wall in order to ensure reliable ejection from a die or mold. A wall can therefore deviate truly parallel by five degrees and still be considered generally parallel.
    [031] Cooler doors 4 are joined directly to an outwardly facing surface of wall 9. In the exemplary embodiment, doors 4 are formed integrally with wall 9, although in some alternative embodiments doors 4 may be formed separately to starting from, and subsequently being joined to, wall 9. Although the exemplar shows both ports 4a and 4b placed side by side on wall 9, it is to be understood that the invention allows for great latitude in the location of ports 4 along the periphery of the housing 3, and that, in some embodiments, it may be preferable to have only a single one of the ports 4 arranged on wall 9, with the other one of the ports 4 arranged in other positions.
    [032] The wall 9 is joined to another wall 8 of the casing 3, with the wall 8 arranged to be situated in a plane generally perpendicular to the stacking direction of the cooler plates 19 forming the stack 2. Once again , the term "generally disposed to be...perpendicular" is not intended to imply complete perpendicularity. Generally, the wall 8 is arranged to be spaced a uniform distance from the top plate 15 of the stack 2 so that air deflection between the housing 3 and the lowermost one of the cooler plates 19 can be minimized.
    [033] As shown in Figure 3, cooler flow path 11 extends through the interior of both wall 8 and wall 9 in order to provide a continuous flow path for cooler between port 4 and manifold 7. Taking as an example the case where port 4 is functioning as a cooler inlet port for heat exchanger 1, a stream of cooler 26 is received at port 4; rotates ninety degrees to flow along a portion of the flow path 11 in a direction parallel to the stacking direction; rotates ninety degrees to flow in a direction perpendicular to the stacking direction; and rotates ninety degrees again to flow in a direction parallel to the stacking direction and to the manifold 7. An opening 10 is provided in an interior surface of the wall 8 to allow the cooler flow to transit between the manifold 7 and the flow path 11 .
    [034] A leak-free connection between the cooler manifold 7 and the flow channel 11 is provided by a seal disposed in the opening 10. In the exemplary embodiment of Figure 3, the seal is provided by means of a compressible seal 12 partially retained within a slot 18 around opening 10 (shown in greater detail in Figure 4). As core stack 2 is inserted into housing 3 and top plate 15 is secured to top surface 16 of housing 3, gasket 12 is compressed to form a seal around opening 10. opening 10 has a shape and size corresponding to manifold 7, so that a fluid-tight seal is created to prevent cooler leakage into the housing 3.
    [035] As evidenced by Figures 1 and 2, the walls of casing 3 need not have a uniform thickness along their lengths. In other words, each wall can have distances varying between its inwardly facing surface or surfaces and its outwardly facing surface or surfaces. In particular, it may be advantageous for the thickness of the walls to be increased in the area of a cooler flow channel 11 in order to provide a sufficient flow area for the passage of cooler along that channel.
    [036] An alternative embodiment of the invention is shown in Figures 5-7. The heat exchanger 101 shown in these figures is also especially suitable for use as a charge air cooler for cooling a drop of compressed air through a liquid cooler, and may find special utility within an engine system. The core stack 102 is generally similar to the previously described core stack 2 of the heat exchanger 1, except for the absence of a top plate in the stack 102.
    [037] The heat exchanger 101 is mainly distinct from the previously described heat exchanger 1 in the particular construction of the casing. The heat exchanger 101 has a housing 103 which is formed from several pieces of metal joined together. A first piece 121 formed from sheet metal partially surrounds core stack 102 on three sides, particularly at the top of stack 102 (i.e. adjacent to a terminal of the stack plates in the core stacking direction) and two adjacent sides of the stack extending parallel to the direction of air flow through the core stack 102. A second piece 122 formed from a metal sheet partially also partially surrounds the core stack 102 on three sides, particularly at the bottom of the stack 102 and on the two adjacent sides mentioned above. Joining parts 123 receive the ends of pieces 121, 122 along two adjacent sides so as to join pieces 121, 122 in a continuous casing along two adjacent sides. An air-tight sealed joint can be created between these parts, for example, brazing, soldering, or the like.
    [038] It should be understood that reference to a particular end of the core stack as a "top" or "bottom" is simply made as a matter of convenience in combining the depicted orientation of heat exchanger 101 within the figures, and not necessarily dictate or imply an orientation of the heat exchanger 101 when installed.
    [039] The housing 103 additionally includes a pair of opposing mounting flanges 125 disposed on the two remaining sides of the core stack 102. The mounting flanges 125 are of a frame-like construction, and define an air inlet 113 on one side of the core stack 102, and an air outlet 114 at the other opposite end. The previously described components of housing 103 (parts 121, 122, and 123) are partially received at inlet 113 and outlet 114 and are sealingly joined to mounting flanges 125 to provide a sealed air flow path extending through the housing 103 between the air inlet 113 and the air outlet 114.
    [040] A formed part 120 is joined to part 121, and together parts 120 and 121 define walls 108 and 109 of shell 103. Wall 108 is generally disposed in a plane that is perpendicular to the stacking direction of the core stack 102while wall 109 is disposed at a location that is generally parallel to the core stacking direction. Along at least a portion of walls 108 and 109, part 121 defines an inwardly facing surface of the walls, and part 120 defines an outwardly facing surface of the first and second cooler flow paths 111a and 111b are arranged between the inward-facing surfaces and the outward-facing surfaces. A cooler port 104a is received in an opening 124a provided in wall portion 109 of piece 120. An opening 110a is provided in wall portion 108 of pool 121, and is disposed directly adjacent to a collector 10'7a of the core stack. 102. Cooler flow path 111a provides a fluid flow path between port 104a and opening 110a for routing cooler to or from manifold 107a. Likewise, a cooler port 104b is received in an opening 124b provided in wall portion 109 of part 120, and an opening 110b is provided in wall portion 108 of part 121 directly adjacent to a manifold 107b of core stack 102. Cooler flow path 111B provides a fluid flow path between port 104b and opening 110b for routing cooler to or from collector 107b.
    [041] It can be especially beneficial to join the various components of the heat exchanger core 102 (e.g., the cooler plates and the air fins) and at least some of the components of the shell 103 in a common brazing operation in order to construct the heat exchanger 101. This can be accomplished by fabricating the individual parts from material], such as aluminum alloys, and by providing a brazing material at the junction sites. The assembled and mated parts can then be raised to an elevated temperature within a brazing furnace in order to melt the brazing alloy and allow it to fill gaps between parts before resolidification. In so doing, the various gaskets that would be required to provide separately sealed flow paths through the heat exchanger 101 for both a cooler flow and an air flow can be formed in a single operation, making heat exchanger 101 assembly more economical. Braze joints created between the formed metal piece 121 of the shell 103 and an adjacent plate of the core stack 102 in the region of the openings 110 and manifolds 107 by such a brazing operation can provide the indispensable seals for preventing leakage of the cooler flow to inside the airflow path, without the need for an additional sealing element.
    [042] Various alternatives to certain features and elements of the present invention are described with reference to specific embodiments of the present invention. With the exception of features, elements and modes of operation that are mutually exclusive or incompatible with each modality described above, it should be noted that the alternative features, elements and modes of operation described with reference to a particular modality are applicable to the other modalities.
    [043] The modalities described above and illustrated in the figures are presented by way of example only and are not intended to be a limitation to the concepts and principles of the present invention. As such, it will be appreciated by one of ordinary skill in the art that various changes in the elements and their configuration and arrangement are possible without departing from the spirit and scope of the present invention. •'
    权利要求:
    Claims (16)
    [0001]
    1. HEAT EXCHANGER FOR COOLING A COMPRESSED AIR FLOW USING A LIQUID COOLER, characterized in that it comprises: a plurality of cooler flow plates arranged in a stack extending in a stacking direction, air fins disposed between adjacent plates of the plurality of cooler flow plates to provide flow paths through the heat exchanger for compressed air flow, a cooler inlet manifold and a cooler outlet manifold defined by the stack of cooler flow plates and a cooler plate. assembly by capping the cell; an enclosure around the stack of cooler flow plates to at least partially define the flow path for the compressed air, the enclosure comprising: a first wall generally disposed in a first plane parallel to the stacking direction; a second wall joined to the first wall and generally disposed in a second plane perpendicular to the stacking direction, the second wall being spaced a uniform distance from the mounting plate to minimize air deflection between the enclosure and cooler plate plus bottom; a cooler door provided on an outer surface of the first wall; an opening provided in an interior surface of the second wall; and a cooler flow path extending through the interior of both the first wall and the second wall between the cooler door and the opening; and a seal disposed between the opening and the stack of cooler flow plates, the seal providing leak-free fluid communication between the cooler port and a cooler inlet manifold and cooler outlet manifold, and in which after the Inserting the battery into the housing, the exposed periphery of the mounting plate rests on a top surface of the housing.
    [0002]
    2. HEAT EXCHANGER according to claim 1, characterized in that the cooler door is a first cooler door, the opening is a first opening, the cooler flow path between the first cooler door and the first opening is a first cooler flow path, and the seal is a first seal, further comprising: a second cooler port provided on the outer surface of the first wall; a second opening provided in the interior surface of the second wall; a second cooler flow path extending across the interior of both the first wall and the second wall between the second cooler door and the second opening, the second cooler flow path being separate from the first cooler flow path; and a second seal disposed between the second opening and the cooler flow plate stack, the second seal providing leakage-free communication between the second cooler port and the other of the cooler inlet manifold and the cooler outlet manifold liquid.
    [0003]
    3. HEAT EXCHANGER according to claim 1, characterized in that the first wall and the second wall are both formed as a piece of a single unitary piece.
    [0004]
    4. HEAT EXCHANGER, according to claim 3, characterized in that the single unitary part is a monolithic component.
    [0005]
    5. HEAT EXCHANGER, according to claim 3, characterized in that the single unitary piece is a piece of cast aluminum.
    [0006]
    6. HEAT EXCHANGER according to claim 1, characterized in that the seal is provided by a compressible gasket arranged between the stack of cooler flow plates and the housing, the gasket is compressed to form a seal around of the opening.
    [0007]
    7. HEAT EXCHANGER according to claim 1, characterized in that the stack of cooler flow plates, the air fins, and the casing are joined together by means of brazing joints, and in which the seal is provided by through brazing joints.
    [0008]
    8. HEAT EXCHANGER FOR COOLING A COMPRESSED AIR FLOW USING A LIQUID COOLER, characterized in that it comprises: a plurality of cooler flow plates arranged in a stack extending in a stacking direction, air fins disposed between the plates adjacent to the plurality of cooler flow plates for providing flow paths through the heat exchanger for the flow of compressed air, a cooler inlet manifold and a cooler outlet manifold defined by the stack of cooler flow plates; an enclosure around the stack of cooler flow plates for at least partially defining the flow path for the compressed air, the enclosure comprising: a plurality of outer walls; one or more outwardly facing surfaces; one or more inwardly facing surfaces surrounding an interior volume; a cooler door provided on one of the one or more outwardly facing surfaces; an opening provided in one of the one or more inwardly facing surfaces; and an access provided for insertion of the battery into the housing; a cooler flow path extending between the cooler door and the opening, the cooler flow path being at least partially located between the one or more inwardly facing surfaces and the one or more outwardly facing surfaces; and a seal disposed between the opening and the stack of cooler flow plates, the seal providing leak-free fluid communication between the cooler port and a cooler inlet manifold and cooler outlet manifold.
    [0009]
    9. HEAT EXCHANGER according to claim 8, characterized in that the cooler flow path includes a first portion extending in a direction that is generally parallel to the stacking direction, and a second portion extending in a direction that is generally perpendicular to the stacking direction.
    [0010]
    A HEAT EXCHANGER according to claim 8, characterized in that the cooler flow path includes at least one right angle turn between the cooler door and the opening.
    [0011]
    A HEAT EXCHANGER according to claim 10, characterized in that the cooler flow path includes at least two right angle turns between the cooler door and the opening.
    [0012]
    12. HEAT EXCHANGER according to claim 8, characterized in that the stack of cooler flow plates, the air fins, and the casing are joined together by means of brazing joints, and wherein the seal is provided by through brazing joints.
    [0013]
    13. HEAT EXCHANGER according to claim 8, characterized in that the seal is provided by a compressible gasket arranged between the stack of cooler flow plates and the casing, the gasket is compressed to form a seal around of the opening.
    [0014]
    A HEAT EXCHANGER according to claim 8, characterized in that the cooler door is a first cooler door, the opening is a first opening, the cooler flow path between the first cooler door and the first opening is a first cooler flow path, and the seal being a first seal, further comprising: a second cooler port provided by one of the one or more exterior surfaces; a second opening provided in one of the one or more interior surfaces; a second cooler flow path extending between the second cooler door and the second opening, the second cooler flow path being at least partially located between the one or more inwardly facing surfaces and the one or more inward facing surfaces. outside, the second cooler flow path being separated from the first cooler flow path; and a second seal disposed between the second opening and the cooler flow plate stack, the second seal providing leakage-free communication between the second cooler port and the other of the cooler inlet manifold and the cooler outlet manifold liquid.
    [0015]
    The HEAT EXCHANGER according to claim 14, characterized in that the casing comprises: a first piece of formed sheet metal having a first door receiving opening for receiving the first cooler door and a second door receiving opening for receiving the second cooler door; and a second sheet metal piece formed having first and second openings disposed therein, wherein the first and second sheet metal pieces formed together define the first and second cooler flow paths.
    [0016]
    16. HEAT EXCHANGER according to claim 15, characterized in that the first and second formed sheet metal pieces are joined together in a common brazing operation with the plurality of cooler flow plates.
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    法律状态:
    2018-02-27| B12F| Other appeals [chapter 12.6 patent gazette]|
    2019-10-08| B03A| Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]|
    2019-10-22| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2020-02-11| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-04-06| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-05-25| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 17/02/2016, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US201562119426P| true| 2015-02-23|2015-02-23|
    US62/119,426|2015-02-23|
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