EP2565468B1 - Agencement de vannes - Google Patents

Agencement de vannes Download PDF

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Publication number
EP2565468B1
EP2565468B1 EP11007100.8A EP11007100A EP2565468B1 EP 2565468 B1 EP2565468 B1 EP 2565468B1 EP 11007100 A EP11007100 A EP 11007100A EP 2565468 B1 EP2565468 B1 EP 2565468B1
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EP
European Patent Office
Prior art keywords
valve
fluid
accumulator
use according
seat valve
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.)
Active
Application number
EP11007100.8A
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German (de)
English (en)
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EP2565468A1 (fr
Inventor
Thomas Pippes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Carl Freudenberg KG filed Critical Carl Freudenberg KG
Priority to EP11007100.8A priority Critical patent/EP2565468B1/fr
Priority to US13/593,605 priority patent/US9022072B2/en
Priority to CN2012103117446A priority patent/CN102966617A/zh
Publication of EP2565468A1 publication Critical patent/EP2565468A1/fr
Application granted granted Critical
Publication of EP2565468B1 publication Critical patent/EP2565468B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/027—Installations or systems with accumulators having accumulator charging devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/20—Accumulator cushioning means
    • F15B2201/205—Accumulator cushioning means using gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/30—Accumulator separating means
    • F15B2201/31—Accumulator separating means having rigid separating means, e.g. pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/40—Constructional details of accumulators not otherwise provided for
    • F15B2201/41—Liquid ports
    • F15B2201/411—Liquid ports having valve means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/255—Flow control functions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/86614—Electric
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86622—Motor-operated
    • Y10T137/8663—Fluid motor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87265—Dividing into parallel flow paths with recombining
    • Y10T137/87555—Having direct response valve [e.g., check valve, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures
    • Y10T137/88054—Direct response normally closed valve limits direction of flow

Definitions

  • the invention relates to a use of a valve arrangement according to the preamble of patent claim 1.
  • the US 2,900,960A shows a valve assembly in which individual parts are integrated into the memory.
  • a hydraulic accumulator can be used, which is filled via a transmission main pump and, if necessary, releases its stored oil volume.
  • a valve assembly which consists of an electromagnetic seat valve and a check valve.
  • a disadvantage here is that a directly controlled seat valve is used.
  • the seat valve As soon as high volume flows are required, the seat valve must have correspondingly large flow cross sections. This leads to high switching forces and a large and expensive magnet system.
  • the known valve arrangement is therefore not very suitable to be used in an automatic transmission for realizing a start / stop function because they would take up a lot of space and would cost a lot of money.
  • the invention is therefore based on the object to provide a valve assembly which can be used in a compact and cost-effective design in an automatic transmission to realize a start / stop function.
  • valve arrangement makes it possible to use a very small and therefore cost-effective electromagnetic seat valve, preferably a microvalve, as a pilot valve since only a small control volume flow, namely the smaller amount of fluid, flows via the seat valve. It has also been recognized that the required control volume flow can be taken from the storage itself. Thus, a self-supply of the seat valve is possible. Advantageously, can be dispensed with a further pressure source. In that regard, a valve assembly is specified, which can be used in a compact and cost-effective design in an automatic transmission to realize a start / stop function.
  • the valve assembly has individual parts which are integrated in the memory. As a result, a compact valve assembly is realized.
  • the memory is designed as a piston accumulator, which has a bottom plate, in which the parts are integrated.
  • the bottom plate can easily after a pre-assembly by a flanging form-fitting with the Piston accumulator are connected.
  • the larger amount of fluid could be at least 1.5 times the volume of the smaller amount of fluid. This allows a very compact, small-sized seat valve can be used.
  • the accumulator could be fluid-conductively connected both to the seat valve and to the check valve.
  • a smaller amount of fluid can be passed through a bypass line to the seat valve, with a larger amount of fluid can be passed through the check valve to a consumer.
  • a first conduit could lead to the poppet valve and a second conduit could lead to the check valve, with the smaller amount of fluid passing through the first conduit pushing on a control piston which opens the check valve so that a larger amount of fluid can flow out through the check valve.
  • a control piston can exert pressure by suitable dimensioning on another suitably dimensioned component reliable and trouble-prone.
  • control piston could abut against a main piston smaller pressurized cross-sectional area.
  • control piston acts on the main piston with a force such that this is moved. This force can be precisely adjusted based on the area ratios of the areas under pressure.
  • a needle could be added, which bears against a spring-loaded ball of the check valve.
  • the ball can be moved by means of the needle against the force of a spring. By moving the ball, the check valve is opened, so that the larger amount of fluid can flow to a consumer.
  • the check valve could be connected to or cooperate with a throttle which creates a resistance to the fluid in a flow direction of a fluid and which does not exhibit any resistance to the fluid in the opposite flow direction.
  • the throttle can thus flow-damping effect in a flow direction.
  • the check valve could be located between a throttle and the reservoir.
  • the throttle could be switched by the seat valve from one direction of flow in the other direction of flow. In this way can be adjusted by the seat valve, whether a fluid quantity is discharged quickly and without much resistance from the memory, or whether it is filled by an external pump with a defined volume flow.
  • the throttle could independently build or break down a resistance to the fluid, depending on the flow direction of the fluid. This can be dispensed with a connection to the seat valve.
  • the reservoir could be filled with fluid via the throttle.
  • the fluid preferably a hydraulic oil
  • the fluid can be introduced into the reservoir from an external pump.
  • a pressure can be generated thereby.
  • the parts could be arranged at an angle of 90 ° to the longitudinal axis of the memory. This arrangement is particularly space-saving.
  • the memory could have a bottom plate which is positively connected thereto.
  • a positive connection can be made inexpensively.
  • the seat valve could be electromagnetically actuated.
  • a control by an electrical control unit is possible.
  • the seat valve designed as a pilot valve could be designed as a 2/2-way seat valve or as a 3/2-way seat valve.
  • a 2/2-way poppet valve is inexpensive.
  • a 3/2-way Stizventil allows a saving of fluid connections, in particular spiral grooves in a control piston.
  • pilot valve is in principle also another type of valve than a seat valve used.
  • a slide valve can be used instead of a seat valve.
  • Fig. 1 shows a schematic circuit diagram of a valve assembly comprising a memory 1, which contains a pressurized fluid, preferably a hydraulic oil, a seat valve 2 and a check valve 3, wherein the poppet valve 2 is operable such that an amount of fluid from the memory 1 exits.
  • a pressurized fluid preferably a hydraulic oil
  • a seat valve 2 preferably a seat valve 2
  • a check valve 3 wherein the poppet valve 2 is operable such that an amount of fluid from the memory 1 exits.
  • the seat valve 2 is designed as a pilot valve and connected to the memory 1, that when the seat valve 2 is open, a smaller amount of fluid flows through the seat valve 2, which controls that a larger amount of fluid flows through the check valve 3 from the memory 1.
  • the larger amount of fluid has at least 1.5 times the volume of the smaller amount of fluid.
  • the memory 1 is both with the seat valve 2 as also fluidly connected to the check valve 3.
  • the check valve 3 is disposed between a throttle 10 and the memory 1.
  • the check valve 3 is connected to the throttle 10 or cooperates with this.
  • the throttle 10 exhibits a resistance to the fluid in a flow direction of a fluid and exhibits almost no resistance to the fluid in the opposite flow direction.
  • the throttle 10 is switched by the seat valve 2 from the one flow direction in the other flow direction.
  • the throttle 10 it is also conceivable for the throttle 10 to independently build or break down a resistance for the fluid as a function of the direction of flow of the fluid.
  • the memory 1 can be filled via the throttle 10 with fluid.
  • the seat valve 2 is electromagnetically actuated.
  • the valve 2 designed as a pilot valve is designed as a 2/2-way seat valve or as a 3/2-way seat valve.
  • Fig. 2 shows a first embodiment of a previously described schematically valve arrangement.
  • a first line 4 leads to the seat valve 2 and a second line 5 to the check valve 3, wherein the guided through the first line 4 smaller amount of fluid presses on a control piston 6, which opens the check valve 3, so that a larger amount of fluid through the check valve 3 can drain.
  • the control piston 6 is located on a main piston 7 of smaller pressure-loaded cross-sectional area.
  • the check valve 3 is integrated in the memory 1.
  • the memory 1 is designed as a piston accumulator, which has a beaded base plate 11, in which the check valve 3 is integrated.
  • the seat valve 2 may also be integrated in the bottom plate 11.
  • the memory 1 is added as a fluid hydraulic oil, which can be removed through a throttle 10 in a flow direction to a consumer. This emptying of the memory 1 to the consumer, however, is unthrottled.
  • Fig. 3 shows a further embodiment of the in Fig. 1 schematically described valve arrangement.
  • the check valve 3 is integrated in the memory 1.
  • the memory 1 is designed as a piston accumulator, which has a screwed bottom plate 11 ', in which the check valve 3 is integrated.
  • a screw 12 is received, by which the spring action of the ball 9 is adjustable by the spring 13.
  • the seat valve 2 may also be integrated in the bottom plate 11 '.
  • the piston accumulator according to Fig. 2 and Fig. 3 has a piston 14 which separates a fluid space 15, in which a hydraulic oil is received, from a gas space 16.
  • the housing 17 of the piston accumulator is open on one side, wherein the open side of the bottom plate 11, 11 'is closed.
  • a valve assembly consists of an electromagnetic seat valve 2, a hydraulically releasable check valve 3 and a switchable throttle 10.
  • the pilot-operated check valve 3 is arranged such that it allows a free flow into the memory 1. In the direction of discharge, the check valve 3 acts blocking.
  • the electromagnetic seat valve 2 is switched to the flow position.
  • the flowing over the seat valve 2 smaller amount of fluid or the prevailing pressure in the memory 1 now acts on an unlocking of the check valve 3, whereby the check valve 3 can be unlocked and flowed through.
  • the throttle 10 is switched in the direction of a free flow through the actuation of the Stitzventils 3 in order to achieve the most lossless emptying of the memory 1.
  • Fig. 2 shows a particularly advantageous valve arrangement.
  • the memory 1 is designed as a piston accumulator. It is understood that any other type of hydraulic accumulator can be used.
  • the open side of a cylindrical housing 17 is pressure-tightly sealed by a cylindrical bottom plate 11, in which parts of the valve assembly are integrated.
  • Parts of the valve arrangement namely the check valve 3, the control piston 6 and the main piston 7, are preferably arranged at an angle of 90 ° to the longitudinal axis of the cylindrical housing 17.
  • the piston 14 is in this case along the longitudinal axis movable.
  • the bottom plate 11 is connected to the housing 17 by a joining process, preferably a positive crimping connection.
  • the check valve 3 is realized very cost-effectively by a spring-loaded ball 9, namely a roller bearing ball, in a conical valve seat. Via a needle 8 in the main piston 7, which is preferably designed as a needle roller, the ball 9 can be lifted from the valve seat and thus the check valve 3 are unlocked.
  • the function of the switchable throttle 10 in the form of radial bores 18 and an annular groove 19 is realized in the main piston 7.
  • the radial bores 18 are partially or completely covered by a wall of the slide bore 20.
  • a throttle effect is deployed.
  • the throttle effect is set when filling the memory 1 over the size of an annular surface.
  • the annular surface is determined by the diameter of the slide bore 20 and a taper of the main piston 7 in the region of the radial bores 18.
  • the electromagnetic seat valve 2 is switched to the flow position.
  • the prevailing pressure in the fluid space 15 of the accumulator 1 now acts on the end face 21 of the control piston 6.
  • a spiral groove 22 is provided to establish a connection between a space between the seat valve 2 and the control piston 6 and the further annular groove 23.
  • the electromagnetic seat valve 2 may also be arranged in the bottom plate 11, 11 'of the memory 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Check Valves (AREA)

Claims (13)

  1. Application d'un agencement de vannes, comprenant un accumulateur (1) contenant un fluide alimenté en pression, une vanne à siège (2) et une vanne de retenue (3), la vanne à siège (2) pouvant être actionnée de telle sorte qu'une quantité de fluide sort de l'accumulateur (1) et la vanne à siège (2) prenant la forme d'une vanne de précommande et étant reliée de telle sorte à l'accumulateur (1) qu'en présence d'une vanne à siège (2) ouverte, une quantité de fluide moindre s'écoule via la vanne à siège (2) qui commande qu'une quantité de fluide plus importante sorte de l'accumulateur (1) via la vanne de retenue (3), dans une boîte de vitesses automatique afin de réaliser une fonction de départ/arrêt, l'agencement de vannes étant caractérisée par une intégration des parties individuelles dans l'accumulateur (1), l'accumulateur (1) prenant la forme d'un accumulateur à piston comportant une plaque de fond (11, 11') dans laquelle les parties sont intégrées.
  2. Application selon la revendication 1, caractérisée en ce que l'accumulateur (1) est relié de façon fluide-conductrice tant à la vanne à siège (2) qu'à la vanne de retenue (3).
  3. Application selon la revendication 1 ou 2, caractérisée en ce qu'une première conduite (4) conduit à la vanne à siège (2) en partant de l'accumulateur (1) et qu'une deuxième conduite (5) conduit à la vanne de retenue (3), la plus petite quantité de fluide guidée par la première conduite (4) appuyant sur un piston de commande (6) ouvrant la vanne de retenue (3), de sorte qu'une plus grande quantité de fluide puisse sortir à travers la vanne de retenue (3).
  4. Application selon la revendication 3, caractérisée en ce que le piston de commande (6) repose contre un piston principal (7) d'une plus petite surface de section transversale alimentée en pression.
  5. Application selon la revendication 4, caractérisée en ce qu'une aiguille (8) est logée dans le piston principal (7), ladite aiguille reposant contre une sphère (9) chargée par ressort de la vanne de retenue (3).
  6. Application selon l'une quelconque des revendications précédentes, caractérisée en ce que la vanne de retenue (3) est reliée ou interagit avec un étranglement (10) déployant une résistance au fluide dans une direction d'écoulement d'un fluide et ne déployant aucune résistance au fluide dans la direction d'écoulement opposée.
  7. Application selon la revendication 6, caractérisée en ce que l'étranglement (10) peut être commuté par la vanne à siège (2) de la première direction d'écoulement dans l'autre direction d'écoulement.
  8. Application selon la revendication 6, caractérisée en ce que l'étranglement (10) accumule ou libère automatiquement une résistance au fluide en fonction de la direction d'écoulement du fluide.
  9. Application selon l'une quelconque des revendications 6 à 8, caractérisée en ce que l'accumulateur (1) peut être rempli de fluide via l'étranglement (10).
  10. Application selon l'une quelconque des revendications précédentes, caractérisée en ce que les parties sont disposées selon un angle de 90° par rapport à l'axe longitudinal de l'accumulateur (1).
  11. Application selon l'une quelconque des revendications précédentes, caractérisée en ce que l'accumulateur (1) comporte une plaque de fond (11) reliée à lui par complémentarité de formes.
  12. Application selon l'une quelconque des revendications précédentes, caractérisée en ce que la vanne à siège (2) peut être actionnée de façon électromagnétique.
  13. Application selon l'une quelconque des revendications précédentes, caractérisée en ce que la vanne à siège (2) servant de vanne de précommande prend la forme d'une vanne à siège à 2/2 voies ou d'une vanne à siège à 3/2 voies.
EP11007100.8A 2011-09-01 2011-09-01 Agencement de vannes Active EP2565468B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP11007100.8A EP2565468B1 (fr) 2011-09-01 2011-09-01 Agencement de vannes
US13/593,605 US9022072B2 (en) 2011-09-01 2012-08-24 Valve array
CN2012103117446A CN102966617A (zh) 2011-09-01 2012-08-29 阀装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11007100.8A EP2565468B1 (fr) 2011-09-01 2011-09-01 Agencement de vannes

Publications (2)

Publication Number Publication Date
EP2565468A1 EP2565468A1 (fr) 2013-03-06
EP2565468B1 true EP2565468B1 (fr) 2015-07-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11007100.8A Active EP2565468B1 (fr) 2011-09-01 2011-09-01 Agencement de vannes

Country Status (3)

Country Link
US (1) US9022072B2 (fr)
EP (1) EP2565468B1 (fr)
CN (1) CN102966617A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6384370B2 (ja) * 2015-03-17 2018-09-05 株式会社島津製作所 コントロールバルブ
CN105507726B (zh) * 2015-12-15 2017-05-10 中国北方车辆研究所 一种车用百叶窗闭锁定位装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1098565A (fr) * 1954-01-15 1955-08-08 Dispositif de commande hydraulique pour disjoncteur, ou analogue
US3665951A (en) * 1970-12-11 1972-05-30 Lucas Industries Ltd Spill valves
US3782418A (en) * 1971-11-03 1974-01-01 Greer Hydraulics Inc Pressure pulse dampener device
US4041990A (en) * 1976-04-05 1977-08-16 The Bendix Corporation Accumulator for use in a hydraulic system
DE3201546C2 (de) * 1982-01-20 1986-03-27 Mannesmann Rexroth GmbH, 8770 Lohr Vorrichtung zum Steuern eines Hydromotors
JPH03505853A (ja) * 1988-06-15 1991-12-19 ツァーンラートファブリーク、フリードリッヒスハーフェン、アクチエンゲゼルシャフト 自動車の全輪舵取り装置
DE4112065C2 (de) * 1991-04-12 1995-06-29 Rexroth Mannesmann Gmbh Vorgesteuertes Druckabschaltventil mit einstellbarer Schaltdruckdifferenz
JP2006114017A (ja) * 2004-09-14 2006-04-27 Tokai Corp 調圧装置
US7210566B2 (en) * 2004-12-10 2007-05-01 Torque-Traction Technologies, Llc Friction coupling assembly with auxiliary clutch control of fluid pump
WO2007035997A1 (fr) * 2005-09-28 2007-04-05 Permo-Drive Research And Development Pty Ltd Circuit hydraulique pour systeme d'entrainement a recuperation d'energie
DE102009050847A1 (de) 2009-10-19 2011-04-21 Hydac Technology Gmbh Vorrichtung zum impulsartigen Freigeben einer in einem Speichergehäuse bevorratbaren Fluidmenge

Also Published As

Publication number Publication date
US20130056103A1 (en) 2013-03-07
CN102966617A (zh) 2013-03-13
EP2565468A1 (fr) 2013-03-06
US9022072B2 (en) 2015-05-05

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