SE7416131L - - Google Patents
Info
- Publication number
- SE7416131L SE7416131L SE7416131A SE7416131A SE7416131L SE 7416131 L SE7416131 L SE 7416131L SE 7416131 A SE7416131 A SE 7416131A SE 7416131 A SE7416131 A SE 7416131A SE 7416131 L SE7416131 L SE 7416131L
- Authority
- SE
- Sweden
- Prior art keywords
- hydraulic
- pump
- conduits
- pumps
- circulating passages
- Prior art date
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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
- B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
- B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
- B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
- B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
- B62D11/18—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source the additional power supply being supplied hydraulically
- B62D11/183—Control systems therefor
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20538—Type of pump constant capacity
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups
-
- 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)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2364282A DE2364282C3 (de) | 1973-12-22 | 1973-12-22 | Schaltungsanordnung für Hydraulikmotoren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7416131L true SE7416131L (it) | 1975-06-23 |
| SE412447B SE412447B (sv) | 1980-03-03 |
Family
ID=5901773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7416131A SE412447B (sv) | 1973-12-22 | 1974-12-20 | Hydraulsystem for hydrostatiskt drivna redskap |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4342254A (it) |
| JP (1) | JPS5239998B2 (it) |
| AT (1) | AT327107B (it) |
| BE (1) | BE821424A (it) |
| BR (1) | BR7410271A (it) |
| CA (1) | CA1031238A (it) |
| DE (1) | DE2364282C3 (it) |
| FR (1) | FR2272282B1 (it) |
| GB (1) | GB1441235A (it) |
| IT (1) | IT1023078B (it) |
| SE (1) | SE412447B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10336334B3 (de) * | 2003-08-08 | 2005-08-04 | Cnh Baumaschinen Gmbh | Hydraulisches Steuersystem für Baumaschinenen, insbesondere für Bagger |
| DE202007005232U1 (de) | 2007-04-11 | 2008-08-14 | Liebherr Mining Equipment Co. | Kipplaster |
| JP6552829B2 (ja) * | 2015-01-28 | 2019-07-31 | ナブテスコ株式会社 | 方向切換弁 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1054220B (de) * | 1957-06-11 | 1959-04-02 | Eberswalde Kranbau | Schaltung fuer hydraulische Krantriebwerke |
| DE1484743B1 (de) * | 1963-04-24 | 1970-09-10 | Orenstein & Koppel Ag | Schaltung fuer hydrostatisch betriebene Hydrogeraete |
| DE1634915C3 (de) * | 1967-03-10 | 1981-02-12 | O & K Orenstein & Koppel Ag | Schaltung für Hydraulikbagger |
| SE342871B (it) * | 1967-11-24 | 1972-02-21 | Mitsubishi Heavy Ind Ltd | |
| DE1952034A1 (de) * | 1969-10-15 | 1971-04-22 | Linde Ag | Steuereinrichtung fuer eine hydraulische Anlage und Ventil hierzu |
| DE2046461C3 (de) * | 1969-10-30 | 1979-08-16 | Veb Kombinat Orsta-Hydraulik, X7010 Leipzig | Steuereinrichtung für einen zwei Pumpen und mehrere Verbraucher besitzenden hydraulischen Antrieb, vorzugsweise für Universalbagger |
| DE2138986C3 (de) * | 1971-08-04 | 1978-09-07 | G.L. Rexroth Gmbh, 8770 Lohr | Steuerventileinrichtung für mehrere hydraulische Antriebe |
| DE2158870C2 (de) * | 1971-11-27 | 1973-09-27 | Eaton Gmbh, 5620 Velbert | Hydraulische Servoanlage mit zwei Pumpen und mehreren Hydromotoren |
| US3922855A (en) * | 1971-12-13 | 1975-12-02 | Caterpillar Tractor Co | Hydraulic circuitry for an excavator |
-
1973
- 1973-12-22 DE DE2364282A patent/DE2364282C3/de not_active Expired
-
1974
- 1974-10-04 AT AT799174A patent/AT327107B/de not_active IP Right Cessation
- 1974-10-17 IT IT5360874A patent/IT1023078B/it active
- 1974-10-24 BE BE149834A patent/BE821424A/xx not_active IP Right Cessation
- 1974-11-08 CA CA213,300A patent/CA1031238A/en not_active Expired
- 1974-12-09 BR BR1027174A patent/BR7410271A/pt unknown
- 1974-12-19 JP JP14506274A patent/JPS5239998B2/ja not_active Expired
- 1974-12-20 SE SE7416131A patent/SE412447B/xx not_active IP Right Cessation
- 1974-12-20 GB GB5519874A patent/GB1441235A/en not_active Expired
- 1974-12-23 FR FR7442589A patent/FR2272282B1/fr not_active Expired
-
1980
- 1980-03-31 US US06/136,084 patent/US4342254A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2364282C3 (de) | 1983-01-13 |
| GB1441235A (en) | 1976-06-30 |
| AT327107B (de) | 1976-01-12 |
| JPS5239998B2 (it) | 1977-10-08 |
| JPS5095681A (it) | 1975-07-30 |
| BR7410271A (pt) | 1976-06-29 |
| CA1031238A (en) | 1978-05-16 |
| AU7486274A (en) | 1976-05-06 |
| FR2272282A1 (it) | 1975-12-19 |
| US4342254A (en) | 1982-08-03 |
| ATA799174A (de) | 1975-03-15 |
| DE2364282A1 (de) | 1975-07-03 |
| DE2364282B2 (de) | 1979-07-26 |
| IT1023078B (it) | 1978-05-10 |
| SE412447B (sv) | 1980-03-03 |
| BE821424A (fr) | 1975-02-17 |
| FR2272282B1 (it) | 1976-10-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7416131-6 Effective date: 19950110 Format of ref document f/p: F |
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| NUG | Patent has lapsed |
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