FR2860560B1 - Circuit hydraulique ouvert comprenant un dispositif de valve de delestage - Google Patents

Circuit hydraulique ouvert comprenant un dispositif de valve de delestage

Info

Publication number
FR2860560B1
FR2860560B1 FR0311596A FR0311596A FR2860560B1 FR 2860560 B1 FR2860560 B1 FR 2860560B1 FR 0311596 A FR0311596 A FR 0311596A FR 0311596 A FR0311596 A FR 0311596A FR 2860560 B1 FR2860560 B1 FR 2860560B1
Authority
FR
France
Prior art keywords
valve device
hydraulic circuit
open hydraulic
delta
delta 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.)
Expired - Lifetime
Application number
FR0311596A
Other languages
English (en)
Other versions
FR2860560A1 (fr
Inventor
Louis Bigo
Jean Pierre Lebrun
Jean Philippe Raisin
Eric Gest
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.)
Poclain Hydraulics Industrie
Original Assignee
Poclain Hydraulics Industrie
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 Poclain Hydraulics Industrie filed Critical Poclain Hydraulics Industrie
Priority to FR0311596A priority Critical patent/FR2860560B1/fr
Priority to US10/953,011 priority patent/US7150150B2/en
Priority to JP2004289838A priority patent/JP4896388B2/ja
Priority to DE102004048373A priority patent/DE102004048373A1/de
Publication of FR2860560A1 publication Critical patent/FR2860560A1/fr
Application granted granted Critical
Publication of FR2860560B1 publication Critical patent/FR2860560B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/005Filling or draining of fluid systems
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08Superstructures; Supports for superstructures
    • E02F9/10Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12Slewing or traversing gears
    • E02F9/121Turntables, i.e. structure rotatable about 360°
    • E02F9/128Braking systems
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/226Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2278Hydraulic circuits
    • E02F9/2292Systems with two or more pumps
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2278Hydraulic circuits
    • E02F9/2296Systems with a variable displacement pump
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/044Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
    • F15B11/0445Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out" with counterbalance valves, e.g. to prevent overrunning or for braking
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38Control of exclusively fluid gearing
    • F16H61/40Control of exclusively fluid gearing hydrostatic
    • F16H61/4078Fluid exchange between hydrostatic circuits and external sources or consumers
    • F16H61/4104Flushing, e.g. by using flushing valves or by connection to exhaust
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/2053Type of pump
    • F15B2211/20546Type of pump variable capacity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/20576Systems with pumps with multiple pumps
    • F15B2211/20592Combinations of pumps for supplying high and low pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/30505Non-return valves, i.e. check valves
    • F15B2211/3051Cross-check valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/30525Directional control valves, e.g. 4/3-directional control valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/31Directional control characterised by the positions of the valve element
    • F15B2211/3105Neutral or centre positions
    • F15B2211/3111Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/32Directional control characterised by the type of actuation
    • F15B2211/327Directional control characterised by the type of actuation electrically or electronically
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • F15B2211/50509Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves
    • F15B2211/50527Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves using cross-pressure relief valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • F15B2211/50509Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • F15B2211/50563Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
    • F15B2211/50581Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using counterbalance valves
    • F15B2211/5059Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using counterbalance valves using double counterbalance valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/515Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5153Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve
    • F15B2211/5154Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve being connected to multiple ports of an output member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/61Secondary circuits
    • F15B2211/613Feeding circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058Rotary output members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/76Control of force or torque of the output member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
FR0311596A 2003-10-03 2003-10-03 Circuit hydraulique ouvert comprenant un dispositif de valve de delestage Expired - Lifetime FR2860560B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0311596A FR2860560B1 (fr) 2003-10-03 2003-10-03 Circuit hydraulique ouvert comprenant un dispositif de valve de delestage
US10/953,011 US7150150B2 (en) 2003-10-03 2004-09-29 Open hydraulic circuit including a relief valve device
JP2004289838A JP4896388B2 (ja) 2003-10-03 2004-10-01 開放バルブ装置付き液圧開回路
DE102004048373A DE102004048373A1 (de) 2003-10-03 2004-10-01 Offener Hydraulikkreis mit Entlastungsventilvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0311596A FR2860560B1 (fr) 2003-10-03 2003-10-03 Circuit hydraulique ouvert comprenant un dispositif de valve de delestage

Publications (2)

Publication Number Publication Date
FR2860560A1 FR2860560A1 (fr) 2005-04-08
FR2860560B1 true FR2860560B1 (fr) 2008-02-22

Family

ID=34307393

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0311596A Expired - Lifetime FR2860560B1 (fr) 2003-10-03 2003-10-03 Circuit hydraulique ouvert comprenant un dispositif de valve de delestage

Country Status (4)

Country Link
US (1) US7150150B2 (fr)
JP (1) JP4896388B2 (fr)
DE (1) DE102004048373A1 (fr)
FR (1) FR2860560B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101008436B (zh) * 2006-01-24 2010-06-16 株式会社神崎高级工机制作所 液压式无级变速装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2873175B1 (fr) * 2004-07-16 2006-10-20 Poclain Hydraulics Ind Soc Par Circuit hydraulique comprenant un selecteur multifonction
DE102005053265B4 (de) * 2005-11-08 2020-07-09 Linde Hydraulics Gmbh & Co. Kg Hydrostatisches Antriebssystem
DE102006053925A1 (de) * 2006-11-15 2008-05-21 Robert Bosch Gmbh Hydrostatischer Fahrantrieb mit zwei Hydromotoren
JP5504423B2 (ja) * 2010-08-27 2014-05-28 日立建機株式会社 油圧作業機の油圧駆動装置
WO2017189551A1 (fr) 2016-04-26 2017-11-02 Vermeer Manufacturing Company Système de commande de frein dans un système hydraulique auxiliaire
JP6713438B2 (ja) * 2017-08-25 2020-06-24 三菱重工業株式会社 油圧ドライブトレイン及びその起動方法、並びに発電装置及びその起動方法
US12085099B1 (en) * 2020-06-18 2024-09-10 Vacuworx Global, LLC Flow control block for use with a vacuum material handler
FR3121482B1 (fr) * 2021-03-30 2023-03-31 Poclain Hydraulics Ind Système d’entrainement amélioré pour un organe de véhicule ou d’engin

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57137802A (en) * 1981-02-20 1982-08-25 Hitachi Seiko Ltd Free cursor with marker in coordinate reader
DE3200329C2 (de) * 1982-01-08 1986-05-28 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Umschaltvorrichtung für hydrostatische Getriebe
US4481770A (en) * 1982-03-22 1984-11-13 Caterpillar Tractor Co. Fluid system with flow compensated torque control
JPS59217001A (ja) * 1983-05-21 1984-12-07 Hitachi Constr Mach Co Ltd 慣性質量駆動用油圧回路
JPS6024966A (ja) * 1983-07-21 1985-02-07 Murata Mfg Co Ltd サ−マルヘツド
JPS6088730A (ja) * 1983-10-21 1985-05-18 Sumitomo Heavy Ind Ltd 油圧シヨベル旋回体駆動用油圧回路
JPS616404A (ja) * 1984-06-20 1986-01-13 Kayaba Ind Co Ltd 油圧モ−タの制動装置
JP2549420B2 (ja) * 1988-09-08 1996-10-30 株式会社神戸製鋼所 旋回制御装置
JP2727334B2 (ja) * 1988-11-25 1998-03-11 新日本無線株式会社 低電位型コレクタの製造方法
WO1991008395A1 (fr) * 1989-12-04 1991-06-13 Hitachi Construction Machinery Co., Ltd. Dispositif a circuit d'entrainement de moteurs hydrauliques
JPH0483907A (ja) * 1990-07-23 1992-03-17 Hitachi Constr Mach Co Ltd 油圧駆動回路
EP0603421B1 (fr) * 1992-07-14 1999-11-10 Hitachi Construction Machinery Co., Ltd. Ensemble de commande d'un corps inertiel
JP3431651B2 (ja) * 1992-12-28 2003-07-28 日立建機株式会社 作業車両の走行用油圧モータ駆動回路
JP3669757B2 (ja) * 1996-02-23 2005-07-13 東芝機械株式会社 旋回慣性体油圧駆動装置
US5897176A (en) * 1996-03-15 1999-04-27 Caterpillar Inc. Braking apparatus and method for use with a moving vehicle
FR2781532B1 (fr) * 1998-07-22 2000-10-13 Poclain Hydraulics Ind Dispositif de valve pour un moteur hydraulique apte a entrainer une masse d'inertie importante
JP3872910B2 (ja) * 1998-11-19 2007-01-24 カヤバ工業株式会社 ハイドロスタティックトランスミッション装置
JP2000240604A (ja) * 1999-02-24 2000-09-05 Shin Caterpillar Mitsubishi Ltd 建設機械における旋回制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101008436B (zh) * 2006-01-24 2010-06-16 株式会社神崎高级工机制作所 液压式无级变速装置

Also Published As

Publication number Publication date
US20050109026A1 (en) 2005-05-26
FR2860560A1 (fr) 2005-04-08
JP2005133938A (ja) 2005-05-26
DE102004048373A1 (de) 2005-04-21
JP4896388B2 (ja) 2012-03-14
US7150150B2 (en) 2006-12-19

Similar Documents

Publication Publication Date Title
FR2861438B1 (fr) Dispositif de soupapes hydrauliques
FR2849547B1 (fr) Dispositif de servo-direction electro-hydraulique
DK1699512T3 (da) Fluiddispenseringsindretning
DK1691651T3 (da) Bryggekammer til en enkeltportionsbryggeanordning
FR2845440B1 (fr) Dispositif de commande de valves
DE602004025283D1 (de) VENTILÖFFNUNGS-/-SCHLIEßZEITSTEUERVORRICHTUNG
FR2859252B1 (fr) Dispositif de soupapes et unite de commande hydraulique
GB2408850B (en) Breather valve device
DE60200016D1 (de) Ventilvorrichtung
NO20041165L (no) Avstengningsanordning.
ATE538876T1 (de) Ventileinrichtung
GB2411610B (en) Fluid control device
FR2845438B1 (fr) Dispositif a vannes hydrauliques
FR2860560B1 (fr) Circuit hydraulique ouvert comprenant un dispositif de valve de delestage
DE602004001556D1 (de) Ventilsteuerzeiten-Steuervorrichtung
FR2813926B1 (fr) Dispositif hydraulique a soupapes
DE602004008164D1 (de) Ventilvorrichtung
FR2809467B1 (fr) Dispositif de vanne a caracteristique hydraulique controlee
ITBO20020735A1 (it) Dispositivo valvolare idraulico multivia
ITMI20030412A1 (it) Valvola a sfera antifrode.
AU2003272225A8 (en) Mems-based fluid valve device
ITTO20030024A1 (it) Dispositivo di comando a ruota fonica
SE0302333L (sv) Ventilanordning
DE60212774D1 (de) Hydraulische Ventilvorrichtung
DK1426694T3 (da) Indretning til en ventil

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 13

PLFP Fee payment

Year of fee payment: 14

PLFP Fee payment

Year of fee payment: 15

PLFP Fee payment

Year of fee payment: 16

PLFP Fee payment

Year of fee payment: 17

PLFP Fee payment

Year of fee payment: 18

PLFP Fee payment

Year of fee payment: 19

PLFP Fee payment

Year of fee payment: 20