DE2861636D1 - Hydraulic system with an open centre valve and a power assisted steering gear incorporating the system - Google Patents
Hydraulic system with an open centre valve and a power assisted steering gear incorporating the systemInfo
- Publication number
- DE2861636D1 DE2861636D1 DE7878300634T DE2861636T DE2861636D1 DE 2861636 D1 DE2861636 D1 DE 2861636D1 DE 7878300634 T DE7878300634 T DE 7878300634T DE 2861636 T DE2861636 T DE 2861636T DE 2861636 D1 DE2861636 D1 DE 2861636D1
- Authority
- DE
- Germany
- Prior art keywords
- steering gear
- assisted steering
- power assisted
- open centre
- centre 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
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
- B62D5/08—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of steering valve used
-
- 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
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
- Y10T137/7784—Responsive to change in rate of fluid flow
- Y10T137/7787—Expansible chamber subject to differential pressures
- Y10T137/7788—Pressures across fixed choke
-
- 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
- Y10T137/87169—Supply and exhaust
- Y10T137/87177—With bypass
- Y10T137/87185—Controlled by supply or exhaust valve
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
- Rotary Pumps (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4895977 | 1977-11-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2861636D1 true DE2861636D1 (en) | 1982-03-25 |
Family
ID=10450598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE7878300634T Expired DE2861636D1 (en) | 1977-11-24 | 1978-11-16 | Hydraulic system with an open centre valve and a power assisted steering gear incorporating the system |
Country Status (10)
Country | Link |
---|---|
US (1) | US4429621A (de) |
EP (1) | EP0002328B1 (de) |
JP (1) | JPS54100034A (de) |
AU (1) | AU526159B2 (de) |
BR (1) | BR7807686A (de) |
CA (1) | CA1099195A (de) |
DE (1) | DE2861636D1 (de) |
ES (1) | ES475399A1 (de) |
GB (1) | GB2008508B (de) |
IT (1) | IT1160947B (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2829064B2 (de) * | 1978-07-01 | 1981-02-12 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Hydraulische Hilfskraftlenkung für Kraftfahrzeuge |
DE2857451C3 (de) * | 1978-07-01 | 1987-01-22 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Hydraulische Hilfskraftlenkung für Kraftfahrzeuge |
DE2835815C2 (de) * | 1978-08-16 | 1986-09-18 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Drehschieberlenkventil für Hilfskraftlenkungen |
DE2843592C3 (de) * | 1978-10-06 | 1981-11-19 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Hilfskraftlenkgetriebe |
DE2845301C3 (de) * | 1978-10-18 | 1981-06-25 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Lenkventil für Hilfskraftlenkungen |
ES8205163A1 (es) * | 1981-08-04 | 1982-06-16 | Bendiberica Sa | Perfeccionamientos en distribuidores fluidodinamicos |
US4768604A (en) * | 1987-07-06 | 1988-09-06 | General Motors Corporation | Power steering system |
US4819545A (en) * | 1987-07-28 | 1989-04-11 | Trw Inc. | Power steering system |
GB2233291B (en) * | 1989-06-23 | 1993-02-24 | Trw Cam Gears Ltd | A vehicle power assisted steering system |
US5505276A (en) * | 1994-10-20 | 1996-04-09 | Trw Inc. | Poer steering system with minimum pressure maintained within the power steering motor |
SE525018C2 (sv) * | 2003-03-21 | 2004-11-09 | Parker Hannifin Ab | Anordning för styrning av en hydrauliskt driven motor |
JP4714683B2 (ja) | 2003-06-27 | 2011-06-29 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 個人的衛生装置用の流体を運ぶ際に用いる側部ガセットを有する小袋 |
DE202004012963U1 (de) * | 2004-08-18 | 2004-10-14 | Trw Automotive Gmbh | Hydraulisches Servolenkventilgehäuse |
DE102005051664A1 (de) * | 2005-10-28 | 2007-05-24 | Bayerische Motoren Werke Ag | Hydraulisches Lenksystem mit einem Aktuator |
CN103481942B (zh) * | 2013-09-26 | 2017-06-06 | 浙江吉利控股集团有限公司 | 汽车转向器 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1293192A (en) * | 1970-05-15 | 1972-10-18 | Cam Gears Ltd | Power assisted vehicle steering |
DE2126085A1 (de) * | 1971-05-26 | 1972-12-07 | Daimler Benz Ag, 7000 Stuttgart | Fahrzeugantnebsbrennkraftmaschine |
DE2323522A1 (de) * | 1973-05-10 | 1974-11-28 | Zahnradfabrik Friedrichshafen | Hydraulische lenkbegrenzung fuer eine hilfskraftlenkeinrichtung, insbesondere fuer kraftfahrzeuge |
DE2426712C3 (de) * | 1974-06-01 | 1979-10-31 | Integral Hydraulik Langen & Co, 4000 Duesseldorf | Servolenkeinrichtung für Fahrzeuge, insbesondere solche mit Speicher-Lenkungen |
US3942783A (en) * | 1974-06-26 | 1976-03-09 | Hart Schaffner & Marx | Clamping mechanism for cloth spreading machine catcher |
-
1978
- 1978-11-16 EP EP78300634A patent/EP0002328B1/de not_active Expired
- 1978-11-16 CA CA316,320A patent/CA1099195A/en not_active Expired
- 1978-11-16 DE DE7878300634T patent/DE2861636D1/de not_active Expired
- 1978-11-16 GB GB7844741A patent/GB2008508B/en not_active Expired
- 1978-11-22 JP JP14493778A patent/JPS54100034A/ja active Granted
- 1978-11-22 AU AU41838/78A patent/AU526159B2/en not_active Expired
- 1978-11-23 BR BR7807686A patent/BR7807686A/pt unknown
- 1978-11-23 IT IT69676/78A patent/IT1160947B/it active
- 1978-11-24 ES ES475399A patent/ES475399A1/es not_active Expired
-
1981
- 1981-04-20 US US06/255,557 patent/US4429621A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU4183878A (en) | 1979-05-31 |
BR7807686A (pt) | 1979-07-31 |
CA1099195A (en) | 1981-04-14 |
AU526159B2 (en) | 1982-12-23 |
IT1160947B (it) | 1987-03-11 |
GB2008508B (en) | 1982-07-21 |
EP0002328A1 (de) | 1979-06-13 |
ES475399A1 (es) | 1980-02-01 |
US4429621A (en) | 1984-02-07 |
GB2008508A (en) | 1979-06-06 |
IT7869676A0 (it) | 1978-11-23 |
EP0002328B1 (de) | 1982-02-17 |
JPS54100034A (en) | 1979-08-07 |
JPS6228031B2 (de) | 1987-06-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |