• 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:
    Regulating valve for a gas cooking appliance adapted for the supply of different types of fuel gas, in particular natural gas (gn) or liquefied gas (lpg), comprising a valve body (10) with an inlet duct ( 11) and an outlet conduit (12), and a rotary regulating member (20) housed in said valve body (10), said regulating member (20) comprising a plurality of input paths communicated with the inlet conduit (11). ) which, by rotating said regulating member (20), allows a gas flow to be varied in the outlet conduit (12), wherein the entrance path of the regulating member (20) corresponding to a minimum flow rate "q <sub" > min "is in the same angular and axial position for natural gas (gn) and for liquefied gas (lpg). (Machine-translation by Google Translate, not legally binding)
    公开号:ES2551291A2
    申请号:ES201430704
    申请日:2014-05-14
    公开日:2015-11-17
    发明作者:Iñigo Albizuri Landazabal；Jose Luis OLIVA AGUAYO
    申请人:Coprecitec SL；
    IPC主号:
    专利说明:

    image 1
    DESCRIPTION Regulating valve for a gas cooking appliance
    SECTOR OF THE TECHNIQUE
    The present invention relates to gas valves incorporating a rotating regulator, mounted on a gas cooking apparatus, and with the means for adjusting the flow rate according to the family of fuel gas used.
    PREVIOUS STATE OF THE TECHNIQUE
    Gas valves are known for domestic cooking appliances that use a single valve for regulating the flow of two different gas families such as natural gas GN and / or LPG petroleum liquefied gas.
    US 2006/0175566 A1 describes a gas valve for a domestic cooking appliance, which can be fed by different types of combustible gas, natural gas GN or LPG liquefied gas. Said valve comprises a valve body comprising an inlet and an outlet conduit, and a rotating regulator member housed in said valve body. The regulatory body comprises a first orifice corresponding to a maximum flow QMax, a second orifice corresponding to an intermediate flow QInt, and two successive holes corresponding to a minimum flow QMin spaced in the rotational direction, one for natural gas GN and the other for gas LPG smoothie. The regulator is positioned, in its minimum flow position, with the minimum flow inlet port QMin corresponding to the type of gas to be used, natural GN or LPG liquid, aligned with the inlet conduit. Depending on whether or not a stopper element is included, it is one or other minimum flow inlet port QMin in the regulator, which is aligned with the inlet conduit in the minimum flow position.
    US 2013/0260327 A1 discloses a gas valve for a domestic cooking appliance, which can be fed by different types of combustible gas, natural gas GN or LPG liquefied gas. Said valve comprises a valve body comprising an inlet and an outlet conduit, and a rotating regulator member housed in said valve body. The regulatory body comprises a first hole corresponding to a maximum flow QMax, a second hole corresponding to an intermediate flow QInt, and a third hole corresponding to a minimum flow QMin. The inlet holes of the regulator corresponding to the natural gas (GN) are in a first axial position, and the inlets corresponding to the liquefied gas are in a second axial position, the gas valve comprising a regulating element that allows axial alignment the inlet holes of the regulating body of natural gas GN, or of LPG liquefied gas, with the inlet conduit.
    image2
    EXHIBITION OF THE INVENTION
    The object of the invention is to provide a regulating valve for a gas cooking apparatus as defined in the claims.
    The regulating valve for a gas cooking apparatus adapted for the supply of different types of combustible gas, in particular GN natural gas or LPG liquefied gas, comprises a valve body with an inlet and an outlet duct, and a Rotary regulator member housed in said valve body, said regulator comprising a plurality of inlet paths communicated with the inlet duct which, by rotating said regulator, allows a flow of gas Q in the outlet duct to be varied.
    Of the inlets of the regulating body communicated with the inlet duct of the valve body, the inlet of the regulating body corresponding to a minimum flow rate "QMin" is in the same angular and axial position for the natural gas GN and for the LPG liquefied gas.
    In the valve of the invention, since the inlet path of the corresponding regulator is arranged at a minimum flow rate QMin in the same angular position, it is not necessary
    image3
    add, replace or remove any stop element so that the regulator is correctly aligned angularly with the inlet duct, regardless of
    image4
    Type of gas used. Since the entrance path of the corresponding regulator is arranged at a minimum flow rate QMin in the same axial position, no type of regulation element is necessary for the regulator to be correctly aligned axially with the inlet duct, depending on the type of gas used
    These and other advantages and features of the invention will become apparent in view of the figures and the detailed description of the invention. 10 DESCRIPTION OF THE DRAWINGS
    Figure 1 shows a perspective view of an embodiment of a regulating valve for a gas cooking apparatus according to the invention.
    15 Figure 2 shows a plan view of the regulating valve of Figure 1, indicating the different angular positions of the rotary axis of said regulating valve.
    Figure 3a shows a longitudinal sectional view of the regulating valve of Figure 1, the regulator being regulated in an angular position corresponding to a maximum flow rate.
    Figure 3b shows a longitudinal section view of the regulating valve of Figure 1, the regulator being regulated in an angular position corresponding to a minimum flow rate.
    Figure 4a shows a cross-sectional view of the regulating valve of Figure 3a, according to line IVa-IVa.
    Figure 4b shows a cross-sectional view of the regulating valve of Figure 3b, according to line IVb-IVb.
    Figure 4c shows a cross-sectional view of the regulating valve of Figure 3b, according to line IVc-IVc.
    image5
    image6
    Figure 5a shows an elevational view of the regulating member of the regulating valve of Figure 1, showing a first orifice corresponding to the maximum flow, and a second orifice in the form of a groove corresponding to an intermediate flow.
    5 Figure 5b shows an elevational view of the rotated regulator of Figure 5a, showing a pocket corresponding to the minimum flow.
    Figure 5c shows a sectional view of the regulatory body of Figure 5a, according to the Vc-Vc line.
    Figure 6a shows a longitudinal sectional view of a second embodiment of the injector of the regulating valve of the invention, with a first calibrated orifice corresponding to the minimum flow provided at the base of said injector.
    15 Figure 6b shows an elevational view of the injector of Figure 6a.
    Figure 6c shows a perspective view of the injector of Figure 6a.
    Figure 7a shows a longitudinal sectional view of a second embodiment of the regulating valve, the regulator being regulated in the angular position corresponding to the maximum flow.
    Figure 7b shows a longitudinal sectional view of the regulating valve of Figure 7a, the regulator being regulated in the angular position corresponding to the minimum flow.
    Figure 8a shows an elevational view of the regulating member of the regulating valve of Figure 7a, showing the first orifice corresponding to the maximum flow, and the second orifice in the form of a groove corresponding to the intermediate flow.
    Figure 8b shows an elevational view of the regulating organ of Figure 8a, showing the pocket corresponding to the minimum flow.
    Figure 8c shows a sectional view of the regulatory body of Figure 8a, according to the image7 line VIIIc-VIIIc.
    image8
    Figure 9a shows a longitudinal sectional view of a third embodiment of the regulating valve, the regulator being regulated in the angular position corresponding to the maximum flow.
    Figure 9b shows a longitudinal sectional view of the regulating valve of Figure 9a, the regulator being regulated in the angular position corresponding to the minimum flow.
    Figure 10a shows an elevational view of the regulating member of the regulating valve of Figure 9a, showing the first orifice corresponding to the maximum flow, and the second orifice in the form of a groove corresponding to the intermediate flow.
    Figure 10b shows an elevation view of the regulating organ of Figure 10a, showing the pocket corresponding to the minimum flow.
    Figure 10c shows a sectional view of the regulatory body of Figure 10a, along the line Xc-Xc.
    DETAILED EXHIBITION OF THE INVENTION
    A perspective view of an embodiment of a regulating valve 100 for a gas cooking apparatus according to the invention, adapted for the supply of different types of combustible gas, in particular natural gas GN or LPG liquefied gas, is shown in Figure 1 , and Figure 2 shows a plan view of the regulating valve of Figure 1, indicating the different angular positions of a rotary axis 7 of said valve 100. The regulating valve 100 comprises a valve body 10 which in turn It comprises an inlet duct 11 of the gas from the outside, and an outlet duct 12 of the outward gas, substantially cylindrical, after being regulated at a certain flow rate of one of the types of natural gas GN or LPG liquefied gas. The regulating valve 100 also comprises an injector 30 disposed in the outlet duct 12 of the valve body 10. Figures 3a and 3b show a longitudinal sectional view of the regulating valve 100, with the regulator 20 and the injector 30 mounted on the valve body 10, Figure 3a showing the regulating body 20 regulated in an angular position corresponding to a maximum flow rate QMax, and Figure 3b shows the regulating body 20 regulated in an angular position corresponding to a minimum flow rate QMin. The injector 30 is interchangeable, and different for natural gas GN and for LPG liquefied gas.
    image9
    image10
    The valve body 10 comprises a housing cavity 13 adapted to receive the rotating regulator member 20 having a substantially frustoconical shape. The regulator member 20 comprises a plurality of inlet paths that are communicated with the inlet conduit 11 of the valve body 10. The rotary axis 7 is connected to the regulating member 20 (not shown in the Figures), and by means of the rotation of said rotary axis 7, and therefore the rotation of said regulating member 20, allows a flow of gas Q to be varied in the outlet duct 12 of the valve body 10.
    The inlets of the regulating member 20, which are arranged on its lateral surface, comprise a first hole 22 corresponding to the angular position of the maximum flow QMax, a second hole 23 corresponding to the angular position of the intermediate flow, and a pocket 21, disposed on the outer side surface of the regulator 20, corresponding to the angular position of the minimum flow rate QMin. The first hole 22, the second hole 23, and the pocket 21 are in correspondence with different angular positions A1, A1-A2, A3 respectively of the regulator 20, from an initial position OFF in which there is no gas inlet to the valve for regulating gas 100 from the inlet duct 11. The angular position of said first orifice 22, second orifice 23, and the pocket 21 is the same for natural gas GN and for LPG liquefied gas.
    Figure 4a shows a cross-sectional view of the regulating valve of Figure 3a, according to line IVa-IVa, Figure 4b shows a cross-sectional view of the regulating valve of Figure 3b, according to line IVb- IVb, and Figure 4c shows a cross-sectional view of the regulating valve of Figure 3b, according to line IVc-IVc. Figure 5a shows an elevation view of the regulating member 20 of the regulating valve 100 of Figure 1, showing the first orifice 22 corresponding to the maximum flow QMax, and the second orifice 23, in the form of a groove, corresponding to the flow
    intermediate QInt. Figure 5b shows an elevational view of the regulatory body 20 of the image11 Figure 5a rotated, showing the pocket 21 corresponding to the minimum flow rate QMin5c shows a sectional view of the regulator 20 of Figure 5a along the line Vc-Vc. As can be seen in the figures, the pocket 21, which is the inlet duct of the regulator 20 corresponding to the minimum flow rate QMin, is in the same angular and axial position for the natural gas GN and for the LPG liquefied gas.
    image12
    The regulator member 20 comprises in its interior an axial internal chamber 24, said internal chamber 24 being communicated with the first hole 22 that crosses the wall of said regulator member 20, and the second hole 23, which is in fluidic communication with the first hole 22, and with the outlet duct 12 of the valve body 10. The second orifice 23 is in the form of a groove, said second orifice 23 being substantially perpendicular to the longitudinal axis of the regulator 20 and in a decreasing sectional shape, so that the corresponding intermediate flow rate QInt decreases as the rotation of the rotating shaft 7 progresses. Said second hole 23 is in communication at one end with the first hole 22, the longitudinal axis of the second hole 23 being maintained substantially in the same axial position, relative to the longitudinal axis of the regulating member 20, which is the center of the first hole 22. Thus, when the regulating member 20 is rotated and it is arranged in the angular position A1 corresponding to the maximum flow rate QMax, or in the angular position A1-A2 corresponding to the intermediate flow rate QInt, the incoming gas flow is conducted from the inlet conduit 11 to the outlet conduit 12, as shown in arrows in Figure 3a.
    In order to be able to conduct the gas flow from the inlet duct 11 to the outlet duct 12 when the regulator 20 is disposed in the angular position A3 corresponding to the minimum flow rate QMin, the valve body 10 comprises an internal duct 14 therein , which communicates the inlet duct 11 with the outlet duct
    12. By placing the regulator 20 in the angular position A3, the inlet duct 11 coincides with the pocket 21, as shown in Figure 4b. The internal conduit 14 of the valve body 10 comprises at one end a first orifice 15 which is disposed on the inner surface of the housing cavity 13 of the valve body 10. Said internal conduit 14 comprises at its other end a second orifice 16 which it is arranged on the inner surface of the outlet duct 12 of the valve body 10. Thus, in the angular position A3 of the regulating member 20, corresponding to the minimum flow rate QMin, the gas flow can be conducted from the inlet duct 11 to the outlet duct image13 Figure 3b In this way, when the regulating member 20 is rotated driven by the rotating shaft 7, it allows the inlet conduit 11 to be contacted progressively with the first hole 22, the second hole 23 and the pocket 21, thus allowing the flow rate to vary of gas supplied to the valve body 10 of the regulating valve 100.
    image14
    Figures 6a, 6b, and 6c show a longitudinal sectional view, an elevational view, and a perspective view of a second embodiment of the injector 30 of the regulating valve 100 of Figure 1. The injector 30, which it has a substantially cylindrical shape, in this embodiment it comprises a first end 34 forming a base, and a second end 35 opposite the first end 34. Said injector 30 comprises a threaded area 40 disposed at the base of the injector 30 and close to the first end 34, a central body 36 disposed between the threaded zone 40 and the second end 35, and a circular groove 50 close to the second end 35, which runs perimeter the central body 36.
    The threaded area 40 of the injector 30 allows said injector 30 to be attached to the outlet duct 12 of the valve body 10, so that the flow of gas cannot pass through said threaded joint. The central body 36 of the injector 30 has an outer diameter smaller than the inner diameter of the outlet duct 12, such that an intermediate chamber 17 is formed between the outer wall of the central body 36 and the inner wall of the outlet duct 12. circular groove 50 of the injector 30 is arranged a joint 51, preferably elastomeric, which allows adjustment between the injector 30 and the inner wall of the outlet duct 12, so that the gas flow cannot pass through said adjustment zone . Thus, the intermediate chamber 17, disposed between the outlet duct 12 and the central body 36 of the injector 30 between the threaded zone 40 and the joint 51, is insulated.
    The injector 30 comprises an inner duct 31 that runs longitudinally between the first end 34 and the second end 35. At the first end 34, said inner duct 31 communicates with the outside of the regulating valve 100, through a first orifice
    37. The inner conduit 31 communicates with the outlet conduit 12 of the valve body 10, through a first calibrated orifice 32, the outlet of the first calibrated orifice 32 being arranged to the outlet conduit 12 in the intermediate chamber 17. In the inner wall of the outlet duct 12, corresponding to the area where the intermediate chamber 17 is located, is the second orifice 16 of the inner duct 14 of the valve body 10. Said first calibrated orifice 32 allows defining the minimum flow rate QMin, being the diameter of the first calibrated orifice 32 of the injector 30 corresponding to the natural gas GN, greater than the diameter of the first calibrated orifice 32 of the injector 30 corresponding to the LPG liquefied gas.
    image15
    image16
    In the second embodiment of the injector 30 shown in Figures 6a, 6b, and 6c, the first calibrated hole 32 is disposed at the base of said injector 30, next to the threaded area
    40. Preferably said first calibrated orifice 32 is arranged in the base of the injector 30, since said place due to the gas flow has a higher pressure, and benefits the operation of the gas regulating valve 100 when it is in the position of minimum flow In a first embodiment of the injector 30 shown in Figures 3a and 3b, the first calibrated hole 32 is disposed in the inner conduit 31 approximately halfway between the first end 34 and the second end 35 of the injector 30. The first calibrated hole 32 it can be arranged anywhere in the inner duct 31 of the injector 30, between the threaded area 40 and the second end 35 of the injector 30.
    The regulator 20 is arranged in the valve body 10 before the outlet duct 12, according to the direction of the gas flow. The valve body 10 comprises an outlet chamber 18 that communicates the output of the internal chamber 24 of the regulator 20 with the outlet duct 12. The second end 35 of the injector 30 is arranged at the start of the outlet duct 12, according to the gas flow In this way the joint 51 disposed in the circular groove 50 of the injector 30 adjusts with the inner wall of the outlet duct 12 at its start.
    Thus, when the rotary axis 7 is turned and the regulating member 20 is arranged in the angular position A1, or in the angular position A1-A2, therefore corresponding to the position of the maximum flow QMax, or the position of the intermediate flow QInt respectively , the inlet duct 11 of the valve body 10 coincides with the first orifice 22 or the second orifice 23, and the gas flows through said orifices, circulates through the internal chamber 24 of the regulator 20, and continues through the outlet chamber 18 towards the outlet duct 12, as shown by the arrows in Figure 3a. Since the gasket 51 adjusts the passage between the inner wall of the outlet duct 12 and the outer wall of the central body 36 of the injector 30, the gas at the outlet of the outlet chamber 18 is introduced into the inner duct 31 of the injector 30, through a second hole 38 of the injector 30. Finally the gas leaves the outside of the image17 regulating valve 100 through the first orifice 37 of the previously through a second calibrated orifice 33, said second calibrated orifice 33 being arranged at the first end 34 of the injector 30, and before the first orifice 37 of the injector 30 in the direction of the flow of gas. The gas can exit through the first calibrated orifice 32 towards the intermediate chamber 17, and from said intermediate chamber 17 through the second orifice 16 of the internal conduit 14, the gas can flow to the regulator 20 in the first orifice 15 of the internal conduit 14, but cannot pass from this position because in angular positions A1, A1-A2, the pocket 21 does not coincide with the first hole 15.
    image18
    The second calibrated orifice 33 allows to define the maximum flow rate QMax, the diameter of the second calibrated orifice 33 of the injector 30 corresponding to the natural gas GN, being greater than the diameter of the second calibrated orifice 33 of the injector 30 corresponding to the LPG liquefied gas.
    The pocket 21 of the regulating member 20 comprises in this embodiment a cavity 25, and a slot 26. The cavity 25 is substantially circular, so that when the regulating member 20 is arranged in the angular position A3 corresponding to the minimum flow rate QMin, said cavity 25 coincides with the inlet duct 11. The cavity 25 is circular, and can also be concentric circular as it deepens the wall of the regulating organ 20. The groove 26 is substantially perpendicular to the longitudinal axis of the regulating organ 20, and is communicated in a end to the cavity 25. Thus, by arranging the regulator 20 in the angular position A3 corresponding to the minimum flow rate QMin, the cavity 25 communicates with the inlet conduit 11, and the cavity 25 being communicated with the groove 26, the gas flows through said slot 26, which coincides at one end with the first hole 15 of the inner duct 14, until said first hole 15 is reached. This pocket construction 21 With a cavity 25 and a groove 26, it allows greater flexibility in the construction of the regulator 20, being able to make different configurations that allow the inlet conduit 11 of the valve body 10, the cavity 25 and the groove 26 of the pocket 21 to coincide. , and the first hole 15 of the internal conduit 14 of the valve body 10.
    Thus, when the rotary axis 7 is rotated and the regulating member 20 is arranged in the angular position A3 corresponding therefore to the position of the minimum flow rate QMin, the inlet conduit 11 of the valve body 10 coincides with the pocket 25 of the pocket 21, and the gas flows
    through said cavity 25, through the slot 26, and is introduced through the first hole 15 of the image19 to the second orifice 16 of the internal conduit 14. By said second orifice 16 of the internal conduit 14 the gas leaves the intermediate chamber 17. Said intermediate chamber 17 is isolated, both by means of the adjustment made between the injector 30 and the outlet conduit. 12 with the joint 51, as with the threaded zone 40. Therefore the gas continues through said intermediate chamber 17 to the first calibrated hole 32 of the injector 30, and is introduced into the inner duct 31 of the injector 30. Finally the gas leaves outside the regulating valve 100 through the first orifice 37 of the injector 30, previously passing through the second calibrated orifice 33 of the injector 30, as shown by the arrows in Figure 3b. The gas can exit through the second orifice 38 of the injector 30 towards the outlet chamber 18 of the valve body 10, and from said outlet chamber 18 through the intermediate chamber 24 of the regulator 20, the gas can flow to the first hole 22 and the second hole 23 of said regulating member 20, but cannot pass from this position because in the angular position A3 the first hole 22 and the second hole 23 do not coincide with the inlet conduit 11.
    image20
    The injector 30 corresponding to the natural gas GN has a second calibrated orifice 33, which defines the maximum flow rate QMax, with a diameter greater than the diameter of the first calibrated orifice 32 of the injector 30, and the injector 30 corresponding to the LPG liquefied gas has a second calibrated orifice 33 with a diameter greater than the diameter of the first calibrated orifice 32 of the injector 30. Thus, when the regulator 20 is arranged in the angular position A3, corresponding therefore to the position of the minimum flow rate QMin, the flow rate of gas is defined by the first calibrated orifice 32, and when this gas flow subsequently passes through the second calibrated orifice 33, the diameter of the second calibrated orifice 33 being greater than the diameter of the first calibrated orifice 32 of the injector 30, said flow of gas is not limited by the second orifice calibrated 33.
    Figure 7a shows a longitudinal sectional view of a second embodiment of the regulating valve 100, the regulating member 20 being regulated in the angular position A1 corresponding to the maximum flow rate QMax. Figure 7b shows a longitudinal sectional view of the regulating valve 100 of Figure 7a, the regulating member 20 being regulated in the angular position A3 corresponding to the minimum flow rate QMin. The regulator 20 of said second embodiment of the regulating valve 100 is shown in Figure 8a with an elevation view of the regulator 20, showing the first orifice 22 corresponding to the maximum flow rate QMax, and the second orifice 23 in the form of a groove. corresponding to the intermediate flow QInt. The regulator 20 is also shown in Figure 8b with an elevation view of the regulator 20, showing the pocket 21 corresponding to the minimum flow QMin., And in Figure 8c where a sectional view of the regulator organ 20 is shown, according to line VIIIc-VIIIc. In this second embodiment of the regulating valve 100, the longitudinal axis of the slot 26 of the pocket 21 of the regulating member 20 is arranged axially below the position of the longitudinal axis of the second hole 23.
    image21
    Figure 9a shows a longitudinal sectional view of a third embodiment of the regulating valve 100, the regulating member 20 being regulated in the angular position A1 corresponding to the maximum flow rate QMax. Figure 9b shows a longitudinal sectional view of the regulating valve 100 of Figure 9a, the regulating member 20 being regulated in the angular position A3 corresponding to the minimum flow rate QMin. The regulator 20 of said third embodiment of the regulating valve 100 is shown in Figure 10a with an elevation view of the regulator 20, showing the first orifice 22 corresponding to the maximum flow rate QMax, and the second orifice 23 in the form of a groove. corresponding to the intermediate flow QInt. The regulator 20 is also shown in Figure 10b with an elevation view of the regulator 20, showing the pocket 21 corresponding to the minimum flow QMin., And in Figure 10c where a sectional view of the regulator organ 20 is shown, according to the Xc-Xc line. In this third embodiment of the regulating valve 100, the longitudinal axis of the slot 26 of the pocket 21 of the regulating member 20 is arranged axially above the position of the longitudinal axis of the second hole 23.
    The valve body 10 of the regulating valve 100 is made, in the three embodiments shown, with metallic material. Thus, to make the internal conduit 14 of the valve body 10 it is necessary to machine the material, opening said internal conduit 14 with the appropriate drill. Said drill is chosen as a function of the diameter of the internal conduit 14, the depth of the conduits defined in the valve body 10 to compose said internal conduit 14, and the material used in the realization of said valve body 10.
    The internal conduit 14 of the valve body 10 is formed by at least two conduits image22 10, and the at least one other conduit 19 being opened from inside the valve body 10. Once the conduits 19 are opened, it is necessary to close the access to the open conduits 19 from the outside of the valve body 10 by means of metal balls 60, preferably steel.
    image23
    5 Thus, in the first embodiment of the regulating valve 100, shown in Figures 3a and 3b, the internal duct 14 of the valve body 10 is formed by three ducts 19, the three ducts 19 being open from the outside of the body of valve 10, and said conduits 19 being closed from the outside with a ball 60 each.
    10 In the second embodiment of the regulating valve 100, shown in Figures 7a and 7b, the internal conduit 14 of the valve body 10 is formed by two conduits 19, the two conduits 19 being open from the outside of the valve body 10 , and said conduits 19 being closed from the outside with a ball 60 each.
    In the third embodiment of the regulating valve 100, shown in Figures 9a and 9b, the internal conduit 14 of the valve body 10 is formed by two conduits 19, one of the conduits 19 being open from the outside of the valve body 10, and the other conduit 19 being open from inside the valve body 10. The conduit 19 open from
    20 the outside of the valve body 10 is closed by a ball 60, and the other conduit 19 open from the inside of the valve body 10 does not close, as it coincides with a first section of the internal conduit 14 between the first hole 15 of said internal conduit 14, and the connection with the conduit 19 open from the outside of the valve body 10. This conduit 19 opened from the outside of the valve body 10, coincides with a second
    25 section of the internal conduit 14, between the connection with the first section of the internal conduit 14, and the second hole 16 of said internal conduit 14.
    30
    image24
    权利要求:
    Claims (10)
    [1]
    image 1
    1. Regulating valve for a gas cooking appliance adapted for the supply of different types of fuel, in particular natural gas (GN) or
    5 Liquefied gas (LPG), which comprises a valve body (1 0) with an inlet duct (11) and an outlet line (12), and a rotating regulator (2 0) housed in said body or valve (10), including said organ or regulator
    (twenty)  a plurality of inlet paths communicated with the inlet duct
    (eleven)  which, by turning said regulating body (20), allows a flow rate to be varied
    10 of gas "Q" in the outlet duct (12), characterized in that the inlet path of the regulator (20) corresponding to a minimum flow rate "Q Min" is in the same angular and axial position for the natural gas (GN) and for liquefied gas (LPG).
    A regulating valve according to claim 1, wherein the valve body (10) comprises an internal conduit (14) that communicates the inlet conduit (11) with the outlet conduit (12), when or the regulating body (20) is arranged in the angular position of the minimum flow rate "QMin".
    3. A regulating valve according to claim 2, wherein the regulating member (20) is housed or in a housing cavity (13) of the valve body (10), the inlets of said regulating body (20) comprising ) a pocket (21) arranged on the outer surface of the regulator (20), allowing the rotation of the regulator (20) to the angular position of the minimum flow rate "Q Min" to communicate the
    25 inlet duct (11) with the pocket (21), and the pocket (21) with the duct (14) in a first hole (15) of said inner duct (14) disposed in the housing cavity (13).
    [4]
    4. Regulating valve according to claim 3, comprising an injector (30)
    30 removable and arranged in the outlet duct (12), different for each type of natural gas (GN) or liquefied gas (LPG), said injector (30) comprising an inner duct (31) that runs it lengthwise, said inner duct (31) communicating, at a first end (34) of the injector (30), with the outside of the regulating valve (100) through
    35 calibrated hole (32) which defines the minimum flow rate "Q Min", the diameter of the
    image2
    image3
    first calibrated orifice (32) of the injector (30) of natural gas (GN), greater than l
    diameter of the first calibrated orifice (32) of the injector (30) of liquefied gas (LPG),
    said first calibrated orifice (32) communicating with the outlet duct (12) and
    with the inner duct (31) of the injector (30).
    5
    [5]
    5. Regulating valve according to claim 4, wherein the injector (30)
    it comprises a threaded area (40), close to the first end (34), which allows it
    connect to the outlet (12), substantially cylindrical, of the valve body
    (10), a central body (36), substantially cylindrical, comprised between the area
    10 threaded (40) and a second sec (35) of the injector (30), having the body
    central (36) an outside diameter less than the inside diameter of the outlet duct
    (12), the central body (36) of the injector (30) comprising a circular groove
    (50) running said perimeter or central body (36), and where it is
    arranged a gasket (51) that allows the fitting between the injector (30) and the duct
    fifteen outlet (1 2), forming an intermediate intermediate chamber (17) isolated, between the duct
    outlet (12) and the central body (36) of the injector (30).
    [6]
    6. Regulating valve according to claim 5, wherein the internal duct (14)
    of the valve body (10) communicates with the outlet duct (12) in a second
    twenty hole (16) of said internal duct (14), dich or second being arranged
    hole (16) in the outlet duct (12) in the intermediate chamber (17), and being
    arranged the first calibrated hole (32) in the central body (36), preferably
    close to threaded zone 40, communicating said first calibrated hole (32) the
    intermediate chamber (17) with the inner duct (31) of the injector (30.
    25
    [7]
    7. Regulating valve according to any of claims 4 to 6, where
    regulatory body (20) comprises an internal axial chamber (24) that communicates with
    the inlet holes, and with the outlet passage (12) of the valve body (10),
    said valve body (10) comprising an outlet chamber (18) which
    30 communicates the output of the internal chamber (24) of the regulatory body (20) with the
    inner duct (31) of the injector (30) at the second end (35), in a second
    hole (38).
    [8]
    8. Regulating valve according to claim 7, where the inlets of the
    35 regulatory body (20) comprises a first hole (22) corresponding to a
    image4
    image5
    maximum flow rate "Q Max", and a second hole (23) corresponding to a lower intermediate flow rate "QInt", the first hole (22), the second hole (2 3), and the pocket (21) being correspondingly d istintas angular positions (A1, A1-A2, A3) of the regulatory body (20) from an initial position (OFF), being the
    The same position corresponds to natural gas (GN) and liquefied gas (LPG).
    [9]
    9. Regulating valve according to claim 8, wherein the injector (30) comprises a second calibrated orifice (33) corresponding to the maximum flow
    10 "QMax", the diameter of the second calibrated orifice (33) of natural gas (GN) being greater than the diameter of the second or calibrated orifice (33) of liquefied gas (LPG), said second calibrated orifice being arranged (33) at the first end (34) of the injector (30), and before the hole (37) of said injector (30) in the direction of the gas flow.
    fifteen
    [10]
    10. Regulating valve according to one of claims 8 or 9, wherein the second orifice (23) is in the form of a groove, with dich or second orifice (23) substantially perpendicular to the longitudinal axis of the regulator (20), being communicated said second or hole (2 3) at one end to the first hole
    20 (22), and with a descending width as its angular position moves away from the first hole (2 2), the long axis axis of the second hole (23) being maintained substantially in the same axial position, of the regulating member (20), which the center of the first hole (22).
    11. Regulating valve according to any of claims 3 to 10, wherein the pocket (21) comprises a cavity (25), and a groove (26), substantially perpendicular to the longitudinal axis of the regulating member (20) which is communicated at one end to the cavity (25), allowing the rotation of the regulating organ (20) to the angular position of the minimum flow rate "Q Min", the communication of the cavity (25) with
    30 the inlet conduit (11), and the communication of the groove (26) with the first hole (15) of the internal conduit (14) of the valve body (10).
    image6
    image7
    [12]
    12. Regulating valve according to claim 1, wherein the longitudinal axis of the slot (26) of the pocket (21) is disposed xially, in the regulator (20), below the position of the longitudinal axis of the second hole (23).
    13. A regulating valve according to claim 1, wherein the longitudinal axis of the slot (26) of the pocket (21) is disposed xially, in the regulating member (20), above the axis position longitudinal of the second hole (23).
    [14]
    14. Regulating valve according to claim 1, wherein the valve body
    10 (10) is of metallic material, the internal conduit (14) being made or by machining, said conduct or internal (14) being formed at least by two conduits (19), at least one of the conduits (19 ) open or from the outside of the valve body (10), closing the opening of the openings (19) opened from the outside by metal balls (60).
    image8
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    同族专利:
    公开号 | 公开日
    CA2891060A1|2015-11-14|
    ES2551291R1|2016-01-05|
    US20150330629A1|2015-11-19|
    US9903587B2|2018-02-27|
    CN105090548A|2015-11-25|
    ES2551291B1|2016-10-11|
    EP2944876A1|2015-11-18|
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    法律状态:
    2016-10-11| FG2A| Definitive protection|Ref document number: 2551291 Country of ref document: ES Kind code of ref document: B1 Effective date: 20161011 |
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201430704A|ES2551291B1|2014-05-14|2014-05-14|Regulating valve for a gas cooking appliance|ES201430704A| ES2551291B1|2014-05-14|2014-05-14|Regulating valve for a gas cooking appliance|
    US14/504,395| US9903587B2|2014-05-14|2014-10-01|Regulating valve for a gas cooking appliance|
    EP15382177.2A| EP2944876A1|2014-05-14|2015-04-13|Regulating valve for a gas cooking appliance|
    CA2891060A| CA2891060A1|2014-05-14|2015-05-07|Regulating valve for a gas cooking appliance|
    CN201510290450.3A| CN105090548A|2014-05-14|2015-05-12|Regulating valve for a gas cooking appliance|
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