FR2390320B1 - - Google Patents
Info
- Publication number
- FR2390320B1 FR2390320B1 FR7813622A FR7813622A FR2390320B1 FR 2390320 B1 FR2390320 B1 FR 2390320B1 FR 7813622 A FR7813622 A FR 7813622A FR 7813622 A FR7813622 A FR 7813622A FR 2390320 B1 FR2390320 B1 FR 2390320B1
- Authority
- FR
- France
- 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
- B62D5/087—Sliding spool valves
-
- 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
- B62D5/30—Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means
- B62D5/32—Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means for telemotor systems
-
- 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
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/8667—Reciprocating valve
- Y10T137/86694—Piston valve
- Y10T137/8671—With annular passage [e.g., spool]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2721414A DE2721414C3 (de) | 1977-05-12 | 1977-05-12 | Hydraulische Hilfskraftlenkung für Kraftfahrzeuge |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2390320A1 FR2390320A1 (fr) | 1978-12-08 |
FR2390320B1 true FR2390320B1 (fr) | 1983-07-29 |
Family
ID=6008746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7813622A Granted FR2390320A1 (fr) | 1977-05-12 | 1978-05-09 | Direction assistee pour vehicules automobiles |
Country Status (4)
Country | Link |
---|---|
US (1) | US4228866A (fr) |
DE (1) | DE2721414C3 (fr) |
FR (1) | FR2390320A1 (fr) |
GB (1) | GB1593019A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2075932B (en) * | 1980-05-14 | 1983-09-01 | Cam Gears Ltd | Power assisted vehicle steering system |
DE3122368A1 (de) * | 1981-06-05 | 1982-12-23 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Hydrolenkung |
DE3126226A1 (de) * | 1981-07-03 | 1983-01-20 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Hydrostatische lenkeinrichtung |
US4475440A (en) * | 1982-11-15 | 1984-10-09 | Trw Inc. | Power steering control apparatus |
FR2716518B1 (fr) * | 1994-02-24 | 1996-04-05 | Peugeot | Dispositif de transmission d'énergie de commande mécanique. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE569714A (fr) * | 1957-07-24 | |||
US3106938A (en) * | 1962-02-14 | 1963-10-15 | Clark Equipment Co | Hydraulic vavle |
GB1303280A (fr) * | 1970-12-23 | 1973-01-17 | ||
US4033236A (en) * | 1971-12-27 | 1977-07-05 | Caterpillar Tractor Co. | All hydraulic motor grader circuitry |
-
1977
- 1977-05-12 DE DE2721414A patent/DE2721414C3/de not_active Expired
-
1978
- 1978-05-09 FR FR7813622A patent/FR2390320A1/fr active Granted
- 1978-05-10 GB GB18785/78A patent/GB1593019A/en not_active Expired
- 1978-05-11 US US05/904,992 patent/US4228866A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2721414A1 (de) | 1978-11-16 |
US4228866A (en) | 1980-10-21 |
FR2390320A1 (fr) | 1978-12-08 |
DE2721414B2 (de) | 1979-10-31 |
GB1593019A (en) | 1981-07-15 |
DE2721414C3 (de) | 1980-07-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |