GB1439038A - Power assisted control unit - Google Patents
Power assisted control unitInfo
- Publication number
- GB1439038A GB1439038A GB3846673A GB3846673A GB1439038A GB 1439038 A GB1439038 A GB 1439038A GB 3846673 A GB3846673 A GB 3846673A GB 3846673 A GB3846673 A GB 3846673A GB 1439038 A GB1439038 A GB 1439038A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- lever
- servomotor
- piston
- elastic means
- 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
-
- 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
- F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
- F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
- F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
- F15B9/10—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Servomotors (AREA)
- Power Steering Mechanism (AREA)
- Mechanically-Actuated Valves (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722242021 DE2242021C3 (de) | 1972-08-26 | Druckmittelsteueranlage |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1439038A true GB1439038A (en) | 1976-06-09 |
Family
ID=5854607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3846673A Expired GB1439038A (en) | 1972-08-26 | 1973-08-14 | Power assisted control unit |
Country Status (5)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0038493A2 (en) * | 1980-04-17 | 1981-10-28 | Trw Inc. | Power steering apparatus |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1534707A (en) * | 1974-12-21 | 1978-12-06 | Langen & Co | Servo-assisted steering gear for motor vehicles |
DE2834420C2 (de) * | 1978-08-05 | 1986-11-27 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Lenkventil |
DE2838789A1 (de) * | 1978-09-06 | 1980-03-20 | Zahnradfabrik Friedrichshafen | Lenkventil mit geschlossener mitte und sitzventil(en) |
US4325286A (en) * | 1979-08-13 | 1982-04-20 | Zahnradfabrik Friedrichshafen, Ag. | Steering valve mechanism having closed neutral position |
DE3122368A1 (de) * | 1981-06-05 | 1982-12-23 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Hydrolenkung |
US5213174A (en) * | 1991-04-22 | 1993-05-25 | Trw Inc. | Power steering assembly |
DE19546291A1 (de) * | 1995-12-12 | 1997-07-03 | Zahnradfabrik Friedrichshafen | Hilfskraftlenkung, insbesondere für Kraftfahrzeuge |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2025294A (en) * | 1934-08-25 | 1935-12-24 | Ingersoll Rand Co | Compressor unloader |
US2521891A (en) * | 1944-03-28 | 1950-09-12 | Jesse W Beams | Valve |
US2600650A (en) * | 1949-03-26 | 1952-06-17 | Robert H Hieger | Carburetor economizer mechanism |
NL266560A (US20050065096A1-20050324-C00069.png) * | 1961-06-20 | 1900-01-01 | ||
US3298316A (en) * | 1964-04-06 | 1967-01-17 | Budzich Tadeusz | Remote adjustment for pressure compensated pump setting |
-
1973
- 1973-07-26 IT IT27141/73A patent/IT992718B/it active
- 1973-08-14 GB GB3846673A patent/GB1439038A/en not_active Expired
- 1973-08-24 FR FR7330826A patent/FR2199576B1/fr not_active Expired
- 1973-08-24 US US05/391,271 patent/US3967537A/en not_active Expired - Lifetime
- 1973-08-27 JP JP9604373A patent/JPS5632481B2/ja not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0038493A2 (en) * | 1980-04-17 | 1981-10-28 | Trw Inc. | Power steering apparatus |
EP0038493A3 (en) * | 1980-04-17 | 1982-04-28 | Trw Inc. | Power steering apparatus |
Also Published As
Publication number | Publication date |
---|---|
IT992718B (it) | 1975-09-30 |
FR2199576A1 (US20050065096A1-20050324-C00069.png) | 1974-04-12 |
JPS5632481B2 (US20050065096A1-20050324-C00069.png) | 1981-07-28 |
JPS4958296A (US20050065096A1-20050324-C00069.png) | 1974-06-06 |
DE2242021B2 (de) | 1976-11-04 |
FR2199576B1 (US20050065096A1-20050324-C00069.png) | 1978-01-27 |
US3967537A (en) | 1976-07-06 |
DE2242021A1 (de) | 1974-03-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |