FR2764348B1 - Ensemble d'entrainement hydraulique pour assister des fonctions auxiliaires dans des vehicules motorises, et procede pour ajuster en continu le refoulement d'une pompe pour un dispositif auxiliaire - Google Patents
Ensemble d'entrainement hydraulique pour assister des fonctions auxiliaires dans des vehicules motorises, et procede pour ajuster en continu le refoulement d'une pompe pour un dispositif auxiliaireInfo
- Publication number
- FR2764348B1 FR2764348B1 FR9807312A FR9807312A FR2764348B1 FR 2764348 B1 FR2764348 B1 FR 2764348B1 FR 9807312 A FR9807312 A FR 9807312A FR 9807312 A FR9807312 A FR 9807312A FR 2764348 B1 FR2764348 B1 FR 2764348B1
- Authority
- FR
- France
- Prior art keywords
- delivery
- pump
- drive assembly
- motor vehicles
- hydraulic drive
- 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 - Fee Related
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
- F16H—GEARING
- F16H61/00—Control 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
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/4078—Fluid exchange between hydrostatic circuits and external sources or consumers
- F16H61/4139—Replenishing or scavenging pumps, e.g. auxiliary charge pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/07—Supply of pressurised fluid for steering also supplying other consumers ; control thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
- F01P7/044—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using hydraulic drives
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
- F15B11/162—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for giving priority to particular servomotors or users
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- 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
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20538—Type of pump constant capacity
-
- 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
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
-
- 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
- F15B2211/40523—Flow control characterised by the type of flow control means or valve with flow dividers
- F15B2211/4053—Flow control characterised by the type of flow control means or valve with flow dividers using 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
- F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line
-
- 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
- F15B2211/455—Control of flow in the feed line, i.e. meter-in control
-
- 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
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
- F15B2211/50572—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using a pressure compensating valve for controlling the pressure difference across a flow control valve
-
- 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
- F15B2211/50—Pressure control
- F15B2211/57—Control of a differential pressure
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
- F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7058—Rotary output members
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/78—Control of multiple output members
- F15B2211/781—Control of multiple output members one or more output members having priority
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Fluid-Pressure Circuits (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/872,625 US5875630A (en) | 1997-06-10 | 1997-06-10 | Hydraulic drive assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2764348A1 FR2764348A1 (fr) | 1998-12-11 |
FR2764348B1 true FR2764348B1 (fr) | 2002-02-22 |
Family
ID=25359991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9807312A Expired - Fee Related FR2764348B1 (fr) | 1997-06-10 | 1998-06-10 | Ensemble d'entrainement hydraulique pour assister des fonctions auxiliaires dans des vehicules motorises, et procede pour ajuster en continu le refoulement d'une pompe pour un dispositif auxiliaire |
Country Status (5)
Country | Link |
---|---|
US (1) | US5875630A (fr) |
JP (1) | JP3760275B2 (fr) |
DE (1) | DE19825759B4 (fr) |
FR (1) | FR2764348B1 (fr) |
GB (1) | GB2333562B (fr) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6068063A (en) * | 1998-02-27 | 2000-05-30 | Flexi-Coil Ltd. | Hydraulic connection circuit between first and active hydraulic circuits |
US6311488B1 (en) * | 1998-10-26 | 2001-11-06 | Komatsu Ltd. | Cooling fan drive apparatus |
DE10044607A1 (de) | 2000-09-08 | 2002-04-04 | O & K Mining Gmbh | Verfahren und Einrichtung zur Regelung eines Lüfterantriebes einer Brennkraftmaschine in Bau- und/oder Arbeitsmaschinen |
US6227221B1 (en) | 2000-10-04 | 2001-05-08 | Geoffrey W. Schmitz | Single-fluid apparatus for supplying vehicle power and lubrication fluid requirements and a system and method for fluid distribution and delivery |
US6467496B2 (en) | 2000-12-04 | 2002-10-22 | Sauer-Danfoss Inc. | Single-adjustment, dual-null pressure setting for an electrohydraulic valve pilot stage |
US6460655B2 (en) * | 2001-01-18 | 2002-10-08 | Deere & Company | Vehicle hydraulic system |
JP4663910B2 (ja) * | 2001-05-16 | 2011-04-06 | 株式会社小松製作所 | 冷却用ファンの駆動制御装置 |
US6681568B2 (en) | 2002-03-28 | 2004-01-27 | Caterpillar Inc | Fluid system for two hydraulic circuits having a common source of pressurized fluid |
DE10307190A1 (de) * | 2003-02-20 | 2004-09-16 | O & K Orenstein & Koppel Gmbh | Verfahren zur Steuerung eines Hydrauliksystems einer mobilen Arbeitsmaschine |
CA2501917A1 (fr) * | 2004-03-23 | 2005-09-23 | Hydra-Fab Fluid Power Inc. | Systeme de guidage et de refroidissement de la transmission d'un ventilateur electro-hydraulique pour un vehicule |
DE102004028354A1 (de) * | 2004-06-11 | 2006-01-05 | Siemens Ag | Vorrichtung zum Betreiben eines Lüfters |
US7360357B2 (en) * | 2005-03-07 | 2008-04-22 | Parker-Hannifin Corporation | Hydraulic steering system with input horsepower limiting circuit and increased fan speeds at low engine RPM |
US7316110B2 (en) * | 2005-04-01 | 2008-01-08 | Cnh Canada, Ltd. | Hydraulic system for an air cart |
JP2007155092A (ja) * | 2005-12-08 | 2007-06-21 | Hitachi Constr Mach Co Ltd | 油圧駆動ファンシステム |
US7610927B2 (en) * | 2005-12-12 | 2009-11-03 | Schmitz Geoffrey W | Apparatus, system and method for monitoring fluid flows and/or filter conditions and/or distributing a single fluid |
KR101248263B1 (ko) | 2006-11-03 | 2013-03-27 | 두산인프라코어 주식회사 | 작동유의 대체 공급이 가능한 휠로더의 유압회로 |
DE102009052258A1 (de) | 2009-11-06 | 2011-05-12 | Claas Selbstfahrende Erntemaschinen Gmbh | Hydraulische Baugruppe |
DE102010020528B4 (de) | 2010-05-14 | 2023-05-17 | Robert Bosch Gmbh | Hydrostatischer Antrieb |
US9086143B2 (en) * | 2010-11-23 | 2015-07-21 | Caterpillar Inc. | Hydraulic fan circuit having energy recovery |
CA2804017C (fr) | 2011-03-03 | 2018-08-14 | Clark Equipment Company | Commande de vitesse automatique de systemes d'entrainement hydrauliques |
FR2978506A1 (fr) * | 2011-07-29 | 2013-02-01 | Poclain Hydraulics Ind | Circuit de commande hydraulique |
US9303662B2 (en) | 2012-12-27 | 2016-04-05 | Stac, Inc. | Pump fan control circuit and block for truck mountable hydraulic system |
DE102013204855A1 (de) | 2013-03-20 | 2014-09-25 | Robert Bosch Gmbh | Hydraulischer Antrieb |
EP3019749B1 (fr) * | 2013-07-08 | 2019-04-17 | Magna Powertrain Bad Homburg GmbH | Pompe à cylindrée variable et commande de boîte de vitesses |
DE102014214441B4 (de) * | 2014-07-23 | 2016-02-18 | Danfoss Power Solutions Gmbh & Co. Ohg | Verfahren und Anordnung zum Verzögern eines Hydrostatischen Antriebs |
CN105986595B (zh) * | 2015-02-04 | 2019-10-01 | 卡特彼勒(青州)有限公司 | 用于机器的液压系统及机器 |
US9979338B2 (en) | 2015-06-30 | 2018-05-22 | Cnh Industrial America Llc | Alternator control system for a planter |
ITUB20153995A1 (it) * | 2015-09-29 | 2017-03-29 | Cnh Ind Italia Spa | Circuito idraulico per uso su un veicolo CVT. |
CN107882790A (zh) * | 2017-11-10 | 2018-04-06 | 中航飞机起落架有限责任公司 | 一种隔离式高/低温液压系统及其控制方法 |
US10774850B2 (en) * | 2018-04-19 | 2020-09-15 | Caterpillar Inc. | Hydraulic systems and methods for powering auxiliary circuits |
US10746200B1 (en) * | 2019-09-18 | 2020-08-18 | Caterpillar Sarl | Modular hydraulic valve assembly for work vehicle |
GB202019738D0 (en) * | 2020-12-15 | 2021-01-27 | Agco Int Gmbh | Pressurised Fluid Supply System for An Agricultural Vehicle |
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US3641416A (en) * | 1969-10-08 | 1972-02-08 | Motorola Inc | Hydrodynamic charging system |
US3942486A (en) * | 1974-08-21 | 1976-03-09 | The United States Of America As Represented By The Secretary Of The Army | Hydraulic fan drive system speed control |
US4179888A (en) * | 1978-05-18 | 1979-12-25 | Eaton Corporation | Hydraulic fan drive system |
US4446697A (en) * | 1978-05-18 | 1984-05-08 | Eaton Corporation | Hydraulic fan drive system including variable displacement pump |
JPS5847328Y2 (ja) * | 1979-04-27 | 1983-10-28 | 株式会社小松製作所 | 油圧駆動車の制御装置 |
JPS55177655U (fr) * | 1979-06-08 | 1980-12-19 | ||
DE3237019C2 (de) * | 1981-10-07 | 1994-07-28 | Linde Ag | Hublader mit einer Lenkanlage mit hydrostatischer Lenkkraftunterstützungsanlage |
US4366783A (en) * | 1981-11-13 | 1983-01-04 | Roger Clemente | Hydraulically operated fan assembly for a heat exchanger assembly |
US4461246A (en) * | 1981-11-13 | 1984-07-24 | Roger Clemente | Hydraulically operated fan assembly for a heat exchange assembly |
WO1983002132A1 (fr) * | 1981-12-17 | 1983-06-23 | Bianchetta, Donald, L. | Commande pour un ventilateur entraine par un fluide |
US4773216A (en) * | 1985-01-22 | 1988-09-27 | Kanzaki Kokykoki Mfg. Co. Ltd. | Flow divider valve for hydraulic system in working vehicles |
NL8500402A (nl) * | 1985-02-13 | 1986-09-01 | Schelde Nl | Aandrijving van verbruikers aan boord van een schip. |
US4738330A (en) * | 1985-03-22 | 1988-04-19 | Nippondenso Co., Ltd. | Hydraulic drive system for use with vehicle power steering pump |
DE3628444A1 (de) * | 1986-02-08 | 1987-08-13 | Bosch Gmbh Robert | Hydrostatischer antrieb von nebenaggregaten eines fahrzeugs |
GB8614699D0 (en) * | 1986-06-17 | 1986-07-23 | Sundstrand Hydratec Ltd | Engine cooling systems |
SU1427066A1 (ru) * | 1986-09-19 | 1988-09-30 | Подмосковный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт | Гидравлический механизм подачи очистного комбайна |
DE3789230T2 (de) * | 1987-01-30 | 1994-06-09 | Komatsu Mfg Co Ltd | Steuerungseinheit. |
DE3821416A1 (de) * | 1988-06-24 | 1989-12-28 | Rexroth Mannesmann Gmbh | Hydraulik-steuerschaltung fuer ein anhaenger-bremsventil |
SU1590764A1 (ru) * | 1988-10-04 | 1990-09-07 | Всесоюзный Научно-Исследовательский Институт Комплексных Проблем Машиностроения Для Животноводства И Кормопроизводства | Объемна гидропередача |
KR930009513B1 (ko) * | 1989-01-18 | 1993-10-06 | 히다찌 겐끼 가부시기가이샤 | 건설기계의 유압구동장치 |
JPH03225021A (ja) * | 1990-01-31 | 1991-10-04 | Kayaba Ind Co Ltd | ファン制御装置 |
JP3115887B2 (ja) * | 1990-09-28 | 2000-12-11 | 株式会社小松製作所 | クローズドセンタ・ロードセンシングシステムにおけるポンプの吐出容積の可変回路 |
DE4102621A1 (de) * | 1991-01-30 | 1992-08-06 | Orenstein & Koppel Ag | Hydrostatischer antrieb fuer arbeitsmaschinen |
KR950008533B1 (ko) * | 1991-11-30 | 1995-07-31 | 삼성중공업주식회사 | 유압펌프의 토출유량 제어장치 |
US5165377A (en) * | 1992-01-13 | 1992-11-24 | Caterpillar Inc. | Hydraulic fan drive system |
US5216983A (en) * | 1992-10-26 | 1993-06-08 | Harvard Industries, Inc. | Vehicle hydraulic cooling fan system |
DE4336892A1 (de) * | 1992-10-29 | 1994-05-05 | Aisin Seiki | Fluiddruckantriebssystem |
US5359969A (en) * | 1994-01-05 | 1994-11-01 | Caterpillar Inc. | Intermittent cooling fan control |
US5531190A (en) * | 1994-12-09 | 1996-07-02 | Sauer Inc. | Electrohydraulic fan control |
JP3013225B2 (ja) * | 1995-01-11 | 2000-02-28 | 新キャタピラー三菱株式会社 | 吊り作業制御装置 |
US5561979A (en) * | 1995-02-17 | 1996-10-08 | Caterpillar Inc. | Control arrangement for a hydrostatic system |
US5802848A (en) * | 1997-08-28 | 1998-09-08 | General Motors Corporation | Hydraulic system for motor vehicle |
-
1997
- 1997-06-10 US US08/872,625 patent/US5875630A/en not_active Expired - Fee Related
-
1998
- 1998-06-05 GB GB9812121A patent/GB2333562B/en not_active Expired - Fee Related
- 1998-06-09 DE DE19825759A patent/DE19825759B4/de not_active Expired - Fee Related
- 1998-06-10 FR FR9807312A patent/FR2764348B1/fr not_active Expired - Fee Related
- 1998-06-10 JP JP16189998A patent/JP3760275B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3760275B2 (ja) | 2006-03-29 |
GB2333562B (en) | 2001-11-14 |
DE19825759B4 (de) | 2008-10-16 |
FR2764348A1 (fr) | 1998-12-11 |
JPH11229874A (ja) | 1999-08-24 |
DE19825759A1 (de) | 1999-02-04 |
GB9812121D0 (en) | 1998-08-05 |
GB2333562A (en) | 1999-07-28 |
US5875630A (en) | 1999-03-02 |
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