FR2425364A1 - Mecanisme de direction assistee equipe d'un ou plusieurs clapets limitant la pression - Google Patents
Mecanisme de direction assistee equipe d'un ou plusieurs clapets limitant la pressionInfo
- Publication number
- FR2425364A1 FR2425364A1 FR7911885A FR7911885A FR2425364A1 FR 2425364 A1 FR2425364 A1 FR 2425364A1 FR 7911885 A FR7911885 A FR 7911885A FR 7911885 A FR7911885 A FR 7911885A FR 2425364 A1 FR2425364 A1 FR 2425364A1
- Authority
- FR
- France
- Prior art keywords
- steering mechanism
- pressure limiting
- assisted steering
- limiting valves
- mechanism equipped
- 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.)
- Granted
Links
Classifications
-
- 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
- B62D5/061—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle provided with effort, steering lock, or end-of-stroke limiters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
Abstract
MECANISME DE DIRECTION ASSISTEE EQUIPE D'UN OU PLUSIEURS CLAPETS LIMITANT LA PRESSION. LEDIT MECANISME COMPORTE, POUR CHAQUE CLAPET, UN ORGANE DE COMPRESSION DE SON RESSORT, LEDIT ORGANE ETANT ACTIONNE PAR DEUX PARTIES MOBILES L'UNE PAR RAPPORT A L'AUTRE DU MECANISME DE DIRECTION, DE TELLE SORTE QUE LA COMPRESSION DU RESSORT DU CLAPET COOPERANT AVEC LA CHAMBRE DE PRESSION RESPECTIVE D'UN SERVO-MOTEUR SOIT AUGMENTEE LORSQUE L'ARBRE DE DIRECTION EST DEPLACE A PARTIR DE SA POSITION CENTRALE OU NEUTRE. APPLICATION AUX DIRECTIONS HYDRAULIQUES ET HYDROSTATIQUES DE VEHICULES.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782820567 DE2820567A1 (de) | 1978-05-11 | 1978-05-11 | Hilfskraft-lenkanlage mit druckbegrenzungsventil(en) |
US06/041,395 US4261248A (en) | 1978-05-11 | 1979-05-22 | Auxiliary power steering system with relief valve control |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2425364A1 true FR2425364A1 (fr) | 1979-12-07 |
FR2425364B1 FR2425364B1 (fr) | 1980-12-05 |
Family
ID=25774456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7911885A Granted FR2425364A1 (fr) | 1978-05-11 | 1979-05-10 | Mecanisme de direction assistee equipe d'un ou plusieurs clapets limitant la pression |
Country Status (5)
Country | Link |
---|---|
US (1) | US4261248A (fr) |
DE (1) | DE2820567A1 (fr) |
FR (1) | FR2425364A1 (fr) |
GB (1) | GB2025865B (fr) |
SE (1) | SE439617B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2510710A1 (fr) * | 1981-07-30 | 1983-02-04 | Riva Calzoni Spa | Dispositif de fin de course pour directions hydrauliques assistees |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2930498A1 (de) * | 1979-07-27 | 1981-02-12 | Zahnradfabrik Friedrichshafen | Hilfskraftlenkung, insbesondere fuer kraftfahrzeuge |
US4648307A (en) * | 1985-10-10 | 1987-03-10 | Trw, Inc. | Unloading valve for power steering piston with integral gear |
ES2014568A6 (es) * | 1988-02-04 | 1990-07-16 | Zahnradfabrik Friedrichshafen | Servodireccion hidrauloca. |
US5205372A (en) * | 1990-07-17 | 1993-04-27 | Koyo Seiko Co., Ltd. | Hydraulic power steering device |
JP2986545B2 (ja) * | 1990-08-24 | 1999-12-06 | ツェットエフ、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 | 液圧式パワーステアリング装置 |
US5803201A (en) * | 1996-06-05 | 1998-09-08 | R. H. Sheppard Co., Inc. | Hydraulic power steering gear assembly with unloading valve |
DE102004016882B4 (de) * | 2004-04-06 | 2008-11-20 | Zf Lenksysteme Gmbh | Hydraulisches Lenksystem |
DE102012111211A1 (de) * | 2012-11-21 | 2014-05-22 | Zf Lenksysteme Gmbh | Hilfskraftlenkung für kraftfahrzeuge mit reversibler pumpe |
US10647347B2 (en) | 2016-09-29 | 2020-05-12 | Steering Solutions Ip Holding Corporation | Power steering gear assembly having an end of travel valve assembly |
CA3146844A1 (fr) * | 2019-07-12 | 2021-01-21 | R.H. Sheppard Co., Inc. | Relachement de fin de course dans un systeme de direction assistee |
US11608111B2 (en) * | 2020-09-04 | 2023-03-21 | R.H. Sheppard Co. Inc. | End of travel relief system for power steering system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2036594A5 (fr) * | 1967-08-25 | 1970-12-24 | Zahnradfabrik Friedrichshafen | |
FR2228653A1 (fr) * | 1973-05-10 | 1974-12-06 | Zahnradfabrik Friedrichshafen | |
FR2260484A1 (fr) * | 1974-02-11 | 1975-09-05 | Trw Inc |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3092083A (en) * | 1960-01-18 | 1963-06-04 | Richard H Sheppard | Piston for power steering system |
US3252380A (en) * | 1963-07-31 | 1966-05-24 | Zahnradfabrik Friedrichshafen | Auxiliary power steering arrangement, especially for motor vehicles |
US3315570A (en) * | 1965-01-07 | 1967-04-25 | Gen Motors Corp | Pressure relieving means |
ES410896A1 (es) * | 1973-01-13 | 1975-12-01 | Bendiberica Sa | Perfeccionamientos en servodirecciones para vehiculos. |
DE2503676A1 (de) * | 1975-01-30 | 1976-08-05 | Zahnradfabrik Friedrichshafen | Einstellbare, hydraulische lenkbegrenzung fuer hilfskraftlenkungen, insbesondere fuer kraftfahrzeuge |
DE2615219A1 (de) * | 1976-04-08 | 1977-10-20 | Daimler Benz Ag | Abschaltventil fuer servolenkungen |
-
1978
- 1978-05-11 DE DE19782820567 patent/DE2820567A1/de not_active Withdrawn
-
1979
- 1979-05-09 SE SE7904083A patent/SE439617B/sv unknown
- 1979-05-10 GB GB7916164A patent/GB2025865B/en not_active Expired
- 1979-05-10 FR FR7911885A patent/FR2425364A1/fr active Granted
- 1979-05-22 US US06/041,395 patent/US4261248A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2036594A5 (fr) * | 1967-08-25 | 1970-12-24 | Zahnradfabrik Friedrichshafen | |
FR2228653A1 (fr) * | 1973-05-10 | 1974-12-06 | Zahnradfabrik Friedrichshafen | |
FR2260484A1 (fr) * | 1974-02-11 | 1975-09-05 | Trw Inc |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2510710A1 (fr) * | 1981-07-30 | 1983-02-04 | Riva Calzoni Spa | Dispositif de fin de course pour directions hydrauliques assistees |
Also Published As
Publication number | Publication date |
---|---|
SE439617B (sv) | 1985-06-24 |
GB2025865B (en) | 1982-07-28 |
US4261248A (en) | 1981-04-14 |
GB2025865A (en) | 1980-01-30 |
FR2425364B1 (fr) | 1980-12-05 |
DE2820567A1 (de) | 1979-11-15 |
SE7904083L (sv) | 1979-11-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |