DE2728118C2 - Steuergerät für druckmittelbetätigte Vorrichtungen - Google Patents
Steuergerät für druckmittelbetätigte VorrichtungenInfo
- Publication number
- DE2728118C2 DE2728118C2 DE19772728118 DE2728118A DE2728118C2 DE 2728118 C2 DE2728118 C2 DE 2728118C2 DE 19772728118 DE19772728118 DE 19772728118 DE 2728118 A DE2728118 A DE 2728118A DE 2728118 C2 DE2728118 C2 DE 2728118C2
- Authority
- DE
- Germany
- Prior art keywords
- pressure medium
- connection
- pressure
- valve element
- passages
- 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 - Fee Related
Links
- 230000007935 neutral effect Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 241001328752 Asplenium ceterach Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
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
- B62D5/083—Rotary valves
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
- Fluid-Pressure Circuits (AREA)
- Multiple-Way Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/699,147 US4037620A (en) | 1976-04-23 | 1976-06-23 | Controller for fluid pressure operated devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2728118A1 DE2728118A1 (de) | 1978-01-05 |
| DE2728118C2 true DE2728118C2 (de) | 1993-10-07 |
Family
ID=24808139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772728118 Expired - Fee Related DE2728118C2 (de) | 1976-06-23 | 1977-06-22 | Steuergerät für druckmittelbetätigte Vorrichtungen |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS53384A (enExample) |
| AR (1) | AR212118A1 (enExample) |
| BR (1) | BR7704014A (enExample) |
| DE (1) | DE2728118C2 (enExample) |
| FR (1) | FR2356192A2 (enExample) |
| GB (1) | GB1548855A (enExample) |
| IT (1) | IT1077304B (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6146052Y2 (enExample) * | 1978-12-08 | 1986-12-24 | ||
| US4665695A (en) * | 1981-03-13 | 1987-05-19 | Trw Inc. | Hydrostatic load sense steering system |
| DE3132342C2 (de) * | 1981-08-17 | 1987-01-29 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Hydrostatische Hilfskraft-Lenkeinrichtung |
| US4566477A (en) * | 1982-03-25 | 1986-01-28 | Trw Inc. | Fluid flow control apparatus |
| CA1193972A (en) * | 1982-03-25 | 1985-09-24 | Jim L. Rau | Fluid flow control apparatus |
| US4488569A (en) * | 1982-04-23 | 1984-12-18 | Trw Inc. | Apparatus with staged pressure differential for controlling fluid flow |
| US4658110A (en) * | 1984-05-01 | 1987-04-14 | Avco Corporation | Method and apparatus for welding |
| FR2611337B1 (fr) * | 1987-02-20 | 1989-05-26 | Thomson Semiconducteurs | Dispositif de commande automatique de gain de signaux video |
| US5267628A (en) * | 1989-04-18 | 1993-12-07 | Kabushiki Kaisha Komatsu Seisakusho | Steering wheel position compensator of fully hydraulic steering system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3348493A (en) * | 1965-10-21 | 1967-10-24 | Char Lynn Co | Fluid pressure remote control devices and systems |
| US3819307A (en) * | 1972-10-24 | 1974-06-25 | Eaton Corp | Stability means for a controller for fluid pressure operated devices |
| US3937601A (en) * | 1974-03-22 | 1976-02-10 | Trw Inc. | Hydrostatic controller wherein the control valve spool includes the commutator valve |
| US3911942A (en) * | 1974-03-28 | 1975-10-14 | Gen Signal Corp | Compensated multifunction hydraulic system |
| US3960234A (en) * | 1974-09-18 | 1976-06-01 | Eaton Corporation | Controller for fluid pressure operated devices providing high pressure to an auxiliary device |
| GB1524707A (en) * | 1974-09-18 | 1978-09-13 | Eaton Corp | Controller for fluid pressure operated devices |
| IT1045500B (it) * | 1974-11-06 | 1980-05-10 | Trw Inc | Dispositivo de sterzoper veicoli azionato a pluido |
| US3996838A (en) * | 1975-06-04 | 1976-12-14 | Trw Inc. | Diverter valve for power steering with power beyond |
-
1977
- 1977-06-03 IT IT2437077A patent/IT1077304B/it active
- 1977-06-13 GB GB2454477A patent/GB1548855A/en not_active Expired
- 1977-06-17 AR AR26810077A patent/AR212118A1/es active
- 1977-06-20 BR BR7704014A patent/BR7704014A/pt unknown
- 1977-06-21 FR FR7718969A patent/FR2356192A2/fr active Granted
- 1977-06-22 DE DE19772728118 patent/DE2728118C2/de not_active Expired - Fee Related
- 1977-06-23 JP JP7491877A patent/JPS53384A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| IT1077304B (it) | 1985-05-04 |
| JPS53384A (en) | 1978-01-05 |
| GB1548855A (en) | 1979-07-18 |
| DE2728118A1 (de) | 1978-01-05 |
| FR2356192B2 (enExample) | 1984-08-17 |
| BR7704014A (pt) | 1978-03-28 |
| AR212118A1 (es) | 1978-05-15 |
| JPS6110349B2 (enExample) | 1986-03-28 |
| FR2356192A2 (fr) | 1978-01-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8176 | Proceedings suspended because of application no: |
Ref document number: 2541487 Country of ref document: DE Format of ref document f/p: P |
|
| 8178 | Suspension cancelled | ||
| AF | Is addition to no. |
Ref country code: DE Ref document number: 2541487 Format of ref document f/p: P |
|
| AF | Is addition to no. |
Ref country code: DE Ref document number: 2541487 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8340 | Patent of addition ceased/non-payment of fee of main patent | ||
| 8361 | Notification of grant revoked |