EP4627239A1 - Valve de contrôle pour circuit de traitement thermique - Google Patents
Valve de contrôle pour circuit de traitement thermiqueInfo
- Publication number
- EP4627239A1 EP4627239A1 EP23809689.5A EP23809689A EP4627239A1 EP 4627239 A1 EP4627239 A1 EP 4627239A1 EP 23809689 A EP23809689 A EP 23809689A EP 4627239 A1 EP4627239 A1 EP 4627239A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control device
- control valve
- connection element
- connection
- connecting element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating devices
- B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
- B60H1/00571—Details of ducts or cables of liquid ducts, e.g. for coolant liquids or refrigerants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
Definitions
- the present invention relates to the field of heat treatment circuits and relates more particularly to a valve for controlling fluid circulating within such heat treatment circuits.
- Heat treatment circuits for example within a motor vehicle, ensure the circulation of a fluid so that it thermally treats a component by heat exchange. Elements likely to release heat can thus be cooled by the fluid.
- a fluid can be a refrigerant fluid of type R134a or R1234yf, or even a heat transfer fluid such as glycol water.
- Heat treatment circuits generally include several branches, and it is important to control the circulation of the fluid within these branches, for example by means of control valves capable of authorizing or prohibiting the circulation of said fluid.
- the control of the circulation of fluid can in particular be done via a control device which authorizes the circulation of fluid in a single direction of circulation, preventing any circulation of fluid in the opposite direction of circulation. The control device thus prevents a return of circulating fluid which could disrupt the thermal balance of the heat treatment circuit.
- This type of control valve generally comprises a housing having on either side two connection elements attached to the housing and allowing the mechanical and fluid connection of the control valve to the circuit, the housing being dimensioned to accommodate within it the control device, the movements of which manage the circulation of the fluid within said housing.
- These control valves are functional and effective but the housing has a significant mechanical bulk which can add installation constraints to these heat treatment circuits whose basic structure is already complex to set up.
- the present invention makes it possible to reduce the mechanical bulk of control valves by proposing a valve for controlling fluid circulation for a circuit for heat treatment of a vehicle, comprising a first connection element and a second connection element mechanically interacting with the first connection element, the first connection element and the second connection element both defining an internal volume, characterized in that that the control valve further comprises a pipe formed by the internal volume of the first connecting element and by the internal volume of the second connecting element, as well as a control device at least partially integrated within the pipe.
- control valve The volume of the control valve is thus greatly reduced, because it is the connection elements themselves which contain the control device, which guarantees the elimination of the housing interposed in the prior art between the connection elements.
- the first connection element and the second connection element make it possible to connect, both mechanically and fluidly, two portions of the heat treatment circuit.
- the fluid can thus circulate from one connection element to another by crossing their respective internal volume, provided that the control device authorizes this circulation.
- the pipe is formed when the connecting elements mechanically interact with each other.
- Each of the internal volumes constitutes a part of the pipe.
- the connecting elements When the connecting elements are mechanically connected, the internal volumes of each of them face each other and thus form the pipe in its entirety.
- control device into the connection elements thus greatly limits the mechanical bulk of the control valve.
- the control device is arranged entirely within the pipe.
- the control device can be entirely integrated into the internal volume of the first connecting element, or entirely integrated into the internal volume of the second connecting element, or entirely integrated into a global internal volume grouping together the internal volumes of each of the elements. connection.
- the control device comprises a piston-spring assembly configured to block a direction of circulation of the fluid circulating in the pipe.
- the control device forms a non-return device which only allows one direction of circulation of the fluid through the control valve.
- the piston-spring assembly includes a piston and a spring.
- the piston is able to move in a direction parallel to a main direction of circulation of the fluid in the pipe, between a first position and a second position.
- the control device When the piston is positioned in the first position, the control device is closed, preventing any circulation of fluid through the latter. When the piston is positioned in the second position, the control device is open and allows fluid flow.
- the piston When the piston is moved from the first position to the second position, it raises a valve of the control device. By lifting, the valve frees a passage within which the fluid can circulate and thus pass through the control device.
- the movement of the piston can be done thanks to the pressure exerted by the circulation of the fluid on the piston, provided that the direction of circulation is that authorized by the control device.
- the fluid pressure on the piston is such that the fluid pushes the piston and compresses the spring.
- the valve is therefore raised and the control device is opened, allowing the flow of the fluid. If the pressure exerted by the fluid on the piston is stopped, the spring relaxes and repositions the piston to its first position, thus closing the control device.
- the first connection element and the second connection element comprise fixing means, said fixing means ensuring positioning of the internal volumes of the first connection element and the second connection element facing the one by relation to the other.
- Each connection element comprises a plate, which forms the body of this connection element and which defines within it the internal volume specific to the connection element.
- the plate has a prominent radial portion on which the fixing means associated with the connection element are arranged.
- the first connection element and the second connection element comprise an internal wall defining at least partially the internal volume
- the control device comprising an external wall arranged facing at least one of the internal walls of the first connecting element or the second connecting element.
- the control device as well as the internal volume of each connection element preferably have a cylindrical shape with a circular section.
- the control device can be arranged within the internal volume of one and/or the other of the internal volumes more easily.
- the cylindrical shape of the control device has a diameter significantly smaller than a diameter of the internal volume(s) in order to be able to be mounted within the latter(s).
- the external wall of the control device is facing, or even substantially in direct contact with, the internal wall of the pipe, that is to say the internal volume(s) of at least one of the connecting elements.
- the control device comprises at least one sealing member extending along the external wall, said sealing member being in direct contact with the internal wall of at least the first element connection or the second connection element.
- the sealing member can for example be an annular seal extending around a section of the external wall of the control device.
- the external wall can for example comprise a groove forming a housing for the sealing member.
- the sealing member is therefore inserted between the external wall of the control device and the internal wall of one of the connecting elements.
- the sealing member prevents the fluid from circulating by infiltrating between the control device and the internal wall of one of the connecting elements. Thus the fluid can only circulate within the control valve by passing through the control device.
- the control device comprises two fluidic connectors, each of the fluidic connectors being able to be inserted within each of the internal volumes of each of the connection elements by complementarity of form.
- Each fluidic connector is arranged at an axial end of the control device and is associated with one of the connection elements, having a diameter allowing it to be inserted within the internal volume of its respective connection element. It is understood that the external wall of the control device on which the sealing member is positioned corresponds to at least one of the fluid connectors.
- control device is partially integrated within each internal volume of the connection elements.
- the control device therefore advantageously comprises at least one sealing member around each of the fluid connectors of the control device.
- the first connection element comprises a tip capable of being inserted within the internal volume of the second connection element by complementarity of shape.
- the tip of the first connecting element has a diameter significantly smaller than the diameter of the internal wall of the second connecting element. This allows partial insertion of the first connecting element within the second connecting element.
- the end piece comprises an external surface arranged facing the internal wall of the second connecting element, the end piece comprising at least one sealing element extending along the external surface, said sealing element being in direct contact with the internal wall of the second connecting element.
- the control device is also provided with the sealing member in order to reinforce the seal.
- the control device is engaged between the second connection element and the end piece.
- the diameter of the tip and the diameter of the control device are identical or substantially identical. The tip, at the time of insertion, also pushes the control device within the internal volume of the second connecting element. The seal is thus made both between the control device and the internal wall of the second connection element via the sealing member, and both between the end piece and the internal wall of the second connection element via the sealing element.
- FIG. 4 is a general view of a second embodiment of the control valve
- FIG. 6 is a sectional view of the second embodiment of the control valve
- FIG. 7 represents a control valve control device configured according to a first position
- fig 8 represents the control valve control device configured in a second position.
- FIG. 1 is a general view of a control valve 1 according to the invention.
- the control valve 1 is for example suitable for integration within a heat treatment circuit of a motor vehicle.
- the conduit portions 7 of each of the connection elements 2, 3 extend opposite each other. Each of the conduit portions 7 can participate in a mechanical and fluid connection with another element of the heat treatment circuit within which the control valve 1 is integrated.
- Pipe 8 is defined by the association of the two connection elements 2, 3 and is delimited by an internal volume 9 of each of them.
- the internal volume 9 of each connection element 2, 3 is more particularly defined by a hollow extending continuously between the plate 6 and the conduit portion 7 of each connection element 2, 3.
- control valve 1 comprises a control device arranged within the pipe 8, that is to say within the internal volume 9 of the first connection element 2 and/or the internal volume 9 of the second connection element 3.
- the control device ensures the management of the circulation of a fluid through the pipe 8.
- a fluid can for example be a refrigerant fluid circulating in the heat treatment circuit and configured to carry out heat treatment of a passenger compartment of the vehicle by heat exchange.
- control valve 1 Thanks to the integration of the control device within the connection elements 2, 3, the compactness of the control valve 1 according to the invention is improved.
- Figure 2 represents a first embodiment of the control valve 1 in exploded view.
- Figure 2 thus allows the representation of the control device 10 mentioned previously.
- Figure 2 also allows us to observe that the plates 6 of each connection element have an opening 11 allowing the possible passage of the fluid through the control valve 1, from one portion of conduit 7 to the other.
- the control device 10 comprises two fluid connectors 12, each of these fluid connectors 12 being able to be inserted within one of the connection elements 2, 3.
- the control device 10 presents by elsewhere a shoulder 100, formed by a change in dimensions, in particular an external diameter, from one fluid connector to another. This shoulder 100 is particularly useful for positioning the control device 10 within the connection elements 2, 3.
- each fluid connector 12 are such that said fluid connector 12 can be inserted within the internal volume 9 of the connection element 2, 3 facing it.
- the dimensions of the fluid connector 12 are in particular dependent on a diameter of the opening 11 and/or a diameter of the conduit portion 7 of the connection element 2, 3 within which said fluid connector 12 is inserted.
- control device 10 is arranged partially within the internal volume 9 of the first connection element 2 and partially within the internal volume 9 of the second connection element 3.
- the first connection element 2 and the second connection element 3 are in direct contact with each other, so that the plates 6 of these connection elements 2, 3 are pressed against each other and that the fixing means 4 can be implemented.
- the plate 6 of the first connection element 2 may comprise a screw 13 while the plate 6 of the second connection element 3 may comprise an orifice 14.
- the screw 13 passes through the orifice 14.
- the fixing means 4 can then be supplemented by a nut, not shown in Figure 2, which is screwed onto the screw 13 and holds the plates of the connection elements 2, 3 against each other.
- Figure 3 is a sectional view of the first embodiment of the control valve 1 once assembled. As described previously, the control device 10 is partially inserted within the internal volume 9 of each of the connection elements 2, 3.
- the sealing members 17 are distributed so that the internal wall 15 of each of the connecting elements 2, 3 is in contact with at least one of the sealing members 17.
- the seal between the control device 10 and each internal wall 15 of each connection element 2, 3 is doubled, that is to say produced by two sealing members arranged axially one after the other, in order to reinforce the effectiveness of said sealing.
- FIG 4 is a general view of a second embodiment of the control valve 1 according to the invention.
- the control valve comprises two connection elements 2, 3 fixed together at their plate 6 by the fixing means 4.
- the pipe 8 is also formed by the mechanical connection and fluidics of the connection elements 2, 3 and their internal volumes.
- Figure 5 is an exploded view of the second embodiment of the control valve 1, said view allowing the distinction with the first embodiment to be observed.
- the control device 10 is also included within the internal volume 9 of the second connection element 3.
- the control device 10 is here devoid of fluidic connectors.
- the fixing means 4 is here a bolt 20 passing through the plate 6 of the first connection element 2.
- the bolt 20 can be inserted within a pitch formed in the plate 6 of the second connection element 3, said pitch not being visible in Figure 5.
- the type of fixing means 4 is however not specific to one or other of the embodiments of the control valve 1.
- Figure 6 is a sectional view of the second embodiment of the control valve 1.
- the end piece 19 of the first connection element 2 is inserted within the internal volume 9 of the second connection element. connection 3, said internal volume 9 being delimited by the internal wall 15 of said second connection element 3.
- the dimensions, in particular the diameter, of the end piece 19 are provided so that the latter can be inserted within the second connection element 3 .
- the end piece 19 further comprises an external surface 21 which comes into contact or substantially into contact with the internal wall 15 of the second connecting element 3.
- the tip 19 comprises at least one sealing element 22 extending along the external surface 21 of the tip 19.
- the sealing element 22 can be inserted within a housing formed around the periphery of the tip, at the level of the external surface 21, and may be a flexible polymer seal extending circumferentially around the tip 19. The element of sealing 22 thus prevents fluid infiltration between the end piece 19 and the second connection element 3.
- the fixing device 10 just as for the first embodiment, comprises the sealing member 17 around its external wall 16, said external wall 16 being in contact or substantially in contact with the internal wall 15 of the second element of connection 3.
- the sealing member 17 prevents the infiltration of fluid between the contact device 10 and the internal wall 15 of the second connection element 3.
- the fluid must therefore necessarily pass through the control device 10 to circulate entirely within of conduct 8.
- the end piece 19 has a diameter equal or substantially equal to the diameter of the control device 10.
- the latter is therefore engaged between the end piece 19 and the second connection element 3.
- the latter can in this respect include a stop 23 guaranteeing the correct positioning of the control device 10 relative to the second connection element 3.
- FIGS 7 and 8 illustrate an exemplary embodiment of the control device 10, respectively in a first position and in a second position.
- the control device 10 comprises a main body crossed by a piston-spring assembly 24 provided with a piston 25 and a spring 26 arranged around the piston.
- the piston 25 comprises a rod around which the spring 26 is mounted and a plate 27 against which the fluid is able to press to push the plate 27 of the piston against the spring 26.
- the control device 10 also comprises a valve 28 mechanically connected to the piston 25, that is to say here connected to the end of the piston rod opposite the plate 27 and the spring 26, and dimensioned to cover, where appropriate, an orifice passing through the body of the device control 10.
- the invention achieves the goal it set for itself, by proposing a compact control valve comprising two connection elements and a control device directly integrated within the one of said or said connection elements.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Valve Housings (AREA)
- Details Of Valves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2212615A FR3142789B1 (fr) | 2022-12-01 | 2022-12-01 | Valve de contrôle pour circuit de traitement thermique |
| PCT/EP2023/083141 WO2024115372A1 (fr) | 2022-12-01 | 2023-11-27 | Valve de contrôle pour circuit de traitement thermique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4627239A1 true EP4627239A1 (fr) | 2025-10-08 |
Family
ID=85121976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23809689.5A Pending EP4627239A1 (fr) | 2022-12-01 | 2023-11-27 | Valve de contrôle pour circuit de traitement thermique |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4627239A1 (fr) |
| CN (1) | CN120303501A (fr) |
| FR (1) | FR3142789B1 (fr) |
| WO (1) | WO2024115372A1 (fr) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4768549A (en) * | 1986-02-13 | 1988-09-06 | Mondeo S.R.L. | Retention valve particularly for liquid-bearing conduits |
| DE4342577C2 (de) * | 1993-12-14 | 1997-10-02 | Kaspar Dipl Ing Emunds | Rückschlagventil |
| US11231118B1 (en) * | 2020-11-10 | 2022-01-25 | Hanon Systems | Integrated one way valve |
| FR3124567B1 (fr) * | 2021-06-25 | 2026-02-06 | Hutchinson | Dispositif de raccordement fluidique et vanne inserable anti-retour pour vehicule |
-
2022
- 2022-12-01 FR FR2212615A patent/FR3142789B1/fr active Active
-
2023
- 2023-11-27 CN CN202380082995.8A patent/CN120303501A/zh active Pending
- 2023-11-27 EP EP23809689.5A patent/EP4627239A1/fr active Pending
- 2023-11-27 WO PCT/EP2023/083141 patent/WO2024115372A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN120303501A (zh) | 2025-07-11 |
| WO2024115372A1 (fr) | 2024-06-06 |
| FR3142789B1 (fr) | 2025-03-14 |
| FR3142789A1 (fr) | 2024-06-07 |
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Legal Events
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Owner name: VALEO ELECTRIFICATION |