GB1355955A - Hydraulic power steering apparatus - Google Patents
Hydraulic power steering apparatusInfo
- Publication number
- GB1355955A GB1355955A GB1355955DA GB1355955A GB 1355955 A GB1355955 A GB 1355955A GB 1355955D A GB1355955D A GB 1355955DA GB 1355955 A GB1355955 A GB 1355955A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- centre
- ram
- open
- pump
- 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
- B62D5/09—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 means for actuating valves
- B62D5/093—Telemotor driven by steering wheel movement
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
- Steering Controls (AREA)
Abstract
1355955 Power steering CAM GEARS Ltd 29 June 1971 [7 July 1970] 32940/70 Heading B7H Hydrostatic power steering apparatus having a steering ram M and an hydraulic pump PP may be provided with a manually operated valve V5 to selectively render the ram M open- or closed-centre according to terrain &c. The steering wheel SW operates a manual pump MP which meters fluid from a powered pump PP to the double-acting ram M via a linear or rotary valve V1 which is operated progressively by a torque sensitive element SM. A manually-operated valve V5 is provided which may interconnect the manual pump MP and the ram M as shown (open centre) or isolate them (closed centre). In order to permit the build up of hydraulic pressure in the ram M/ pump MP circuit, when open centre, a torque sensitive valve V4 is provided which progressively restricts the fluid interconnections as the torque in the steering shaft 1 increases. Valve V5 may be of the two-position type or may be variable to suit varying terrain conditions. Valve V5 may be spring-loaded and operated by the pressure differential between pipes 10 and 11 to either replace valve V4 or provide the change from open-centre to closed-centre in direct response to kick-back forces.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3294070 | 1970-07-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1355955A true GB1355955A (en) | 1974-06-12 |
Family
ID=10346257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1355955D Expired GB1355955A (en) | 1970-07-07 | 1970-07-07 | Hydraulic power steering apparatus |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2133884A1 (en) |
FR (1) | FR2100334A5 (en) |
GB (1) | GB1355955A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2341159A (en) * | 1998-07-31 | 2000-03-08 | Ognibene Spa | Hydrostatic steering system with selectable reactive and non-reactive modes |
US6863147B2 (en) * | 2002-05-27 | 2005-03-08 | Ognibene S.P.A. | Hydrostatic power steering device for fast steering |
US7631590B2 (en) | 2006-11-02 | 2009-12-15 | Sauer-Danfoss Aps | Hydraulic steering arrangement |
US7789190B2 (en) * | 2006-03-08 | 2010-09-07 | Sauer-Danfoss Aps | Hydraulic steering |
US7997379B2 (en) | 2006-03-08 | 2011-08-16 | Sauer-Danfoss Aps | Hydraulic steering |
US9038762B2 (en) | 2006-03-08 | 2015-05-26 | Sauer-Danfoss Aps | Hydraulic steering |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4771846A (en) * | 1986-09-22 | 1988-09-20 | Trw Inc. | Apparatus for establishing steering feel |
-
1970
- 1970-07-07 GB GB1355955D patent/GB1355955A/en not_active Expired
-
1971
- 1971-07-07 DE DE19712133884 patent/DE2133884A1/en active Pending
- 1971-07-07 FR FR7124794A patent/FR2100334A5/fr not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2341159A (en) * | 1998-07-31 | 2000-03-08 | Ognibene Spa | Hydrostatic steering system with selectable reactive and non-reactive modes |
GB2341159B (en) * | 1998-07-31 | 2002-04-24 | Ognibene Spa | Hydrostatic steering system |
US6863147B2 (en) * | 2002-05-27 | 2005-03-08 | Ognibene S.P.A. | Hydrostatic power steering device for fast steering |
US7789190B2 (en) * | 2006-03-08 | 2010-09-07 | Sauer-Danfoss Aps | Hydraulic steering |
US7997379B2 (en) | 2006-03-08 | 2011-08-16 | Sauer-Danfoss Aps | Hydraulic steering |
US9038762B2 (en) | 2006-03-08 | 2015-05-26 | Sauer-Danfoss Aps | Hydraulic steering |
US7631590B2 (en) | 2006-11-02 | 2009-12-15 | Sauer-Danfoss Aps | Hydraulic steering arrangement |
Also Published As
Publication number | Publication date |
---|---|
FR2100334A5 (en) | 1972-03-17 |
DE2133884A1 (en) | 1972-02-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1355955A (en) | Hydraulic power steering apparatus | |
GB1344829A (en) | Servo valves | |
GB919714A (en) | Hydraulic control system for a fluid actuated motor | |
GB1345879A (en) | Vehicular steering assemblies | |
ES475399A1 (en) | Hydraulic system with an open centre valve and a power assisted steering gear incorporating the system. | |
GB1468872A (en) | ||
DE3776886D1 (en) | ISOKINETIC ERGOMETER. | |
GB1249773A (en) | Steering movement transmission system for vehicles | |
GB1229271A (en) | ||
ES450867A1 (en) | Power steering device | |
ES364290A1 (en) | Servosteering system | |
GB1504351A (en) | Power assisted steering system for a motor vehicle | |
GB1205151A (en) | Improvements in or relating to hydraulic power steering systems | |
ES430718A1 (en) | Power steering gear with proportional flow divider | |
GB1173247A (en) | Steering System for Vehicles | |
GB1387893A (en) | Multi-axle power-assisted steering | |
JPS55127260A (en) | Power steering device | |
FR2389805A1 (en) | Hydraulically operated rack and pinion mechanism - has piston on end of rack enclosed in double acting cylinder | |
GB1277831A (en) | Improvements in and relating to devices for varying the steering ratio for motor vehicles having servo steering systems | |
GB981959A (en) | Improvements in power steering for vehicles | |
GB1289663A (en) | ||
GB1111637A (en) | Hydraulic circuit for hydrostatic steering devices | |
GB1357642A (en) | Hydrostatically operated control apparatus | |
GB985230A (en) | Valve for use in hydraulically operated vehicle steering mechanisms | |
GB1441166A (en) | Control means for hydrostatic steering systems and the like |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |