SE366098B - - Google Patents
Info
- Publication number
- SE366098B SE366098B SE13913/70A SE1391370A SE366098B SE 366098 B SE366098 B SE 366098B SE 13913/70 A SE13913/70 A SE 13913/70A SE 1391370 A SE1391370 A SE 1391370A SE 366098 B SE366098 B SE 366098B
- Authority
- SE
- Sweden
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
- F15B2211/20546—Type of pump variable 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
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/25—Pressure control functions
-
- 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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
-
- 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
- F15B2211/40—Flow control
- F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line
-
- 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
- F15B2211/40—Flow control
- F15B2211/46—Control of flow in the return line, i.e. meter-out control
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
- F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
-
- 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
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 |
---|---|---|---|
DE19691952034 DE1952034A1 (en) | 1969-10-15 | 1969-10-15 | Control device for a hydraulic system and valve for this |
Publications (1)
Publication Number | Publication Date |
---|---|
SE366098B true SE366098B (en) | 1974-04-08 |
Family
ID=5748310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE13913/70A SE366098B (en) | 1969-10-15 | 1970-10-14 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3720059A (en) |
JP (1) | JPS5417114B1 (en) |
DE (1) | DE1952034A1 (en) |
FR (1) | FR2065949A5 (en) |
GB (1) | GB1290247A (en) |
SE (1) | SE366098B (en) |
Families Citing this family (61)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2148331B2 (en) * | 1971-08-06 | 1974-03-29 | Poclain Sa | |
DE2148502B2 (en) * | 1971-09-29 | 1978-11-02 | G.L. Rexroth Gmbh, 8770 Lohr | Single or multi-circuit hydraulic system |
US3922855A (en) * | 1971-12-13 | 1975-12-02 | Caterpillar Tractor Co | Hydraulic circuitry for an excavator |
BE792618A (en) * | 1971-12-13 | 1973-06-12 | Caterpillar Tractor Co | Set of hydraulic control valves. |
US4030623A (en) * | 1971-12-13 | 1977-06-21 | Caterpillar Tractor Co. | Hydraulic circuitry for an excavator |
BR7204458D0 (en) * | 1972-06-16 | 1974-09-05 | Orenstein & Koppel Ag | PAS WHEEL EXCAVATOR AND HYDRAULIC ACTUALLY |
DE2364282C3 (en) * | 1973-12-22 | 1983-01-13 | O & K Orenstein & Koppel Ag, 1000 Berlin | Circuit arrangement for hydraulic motors |
JPS539346B2 (en) * | 1974-03-11 | 1978-04-05 | ||
US4179981A (en) * | 1975-10-30 | 1979-12-25 | Poclain | Device for sequentially supplying several hydraulic motors |
US4024710A (en) * | 1976-03-25 | 1977-05-24 | Koehring Company | Load sensing hydraulic circuit having power matching means |
US4078681A (en) * | 1976-08-24 | 1978-03-14 | Caterpillar Tractor Co. | Dual pump hydraulic control system with predetermined flow crossover provision |
US4210061A (en) * | 1976-12-02 | 1980-07-01 | Caterpillar Tractor Co. | Three-circuit fluid system having controlled fluid combining |
US4112821A (en) * | 1976-12-03 | 1978-09-12 | Caterpillar Tractor Co. | Fluid control system for multiple circuited work elements |
US4142445A (en) * | 1977-03-17 | 1979-03-06 | Caterpillar Tractor Co. | Crossover plural circuit fluid system |
US4073141A (en) * | 1977-03-17 | 1978-02-14 | Caterpillar Tractor Co. | Fluid control system with priority flow |
US4262554A (en) * | 1978-08-18 | 1981-04-21 | S.R.M. Hydromekanik Aktiebolag | Hydraulic valve system for controlling particularly a vehicle gearbox |
US4208874A (en) * | 1978-08-28 | 1980-06-24 | Caterpillar Tractor Co. | Apparatus for producing different flow rates of a fluid |
US4369625A (en) * | 1979-06-27 | 1983-01-25 | Hitachi Construction Machinery Co., Ltd. | Drive system for construction machinery and method of controlling hydraulic circuit means thereof |
DE2930107A1 (en) * | 1979-07-25 | 1981-02-05 | Zahnradfabrik Friedrichshafen | HIGH PRESSURE PUMP WITH PRESSURE REGULATOR |
JPS56501057A (en) * | 1979-08-30 | 1981-07-30 | ||
DE3007787A1 (en) * | 1980-02-29 | 1981-09-17 | Linde Ag, 6200 Wiesbaden | Control unit with slide valve - has second flow channel with throttle and sealing valve, with connected actuators |
JPS6129813Y2 (en) * | 1980-07-07 | 1986-09-02 | ||
JPS5751006A (en) * | 1980-09-08 | 1982-03-25 | Toshiba Mach Co Ltd | Composite control valve for conflluence |
DE3146508A1 (en) * | 1980-11-24 | 1982-06-24 | Linde Ag, 6200 Wiesbaden | Drive system with at least two secondary systems |
DE3044144A1 (en) * | 1980-11-24 | 1982-09-09 | Linde Ag, 6200 Wiesbaden | HYDROSTATIC DRIVE SYSTEM WITH ONE ADJUSTABLE PUMP AND SEVERAL CONSUMERS |
US4372193A (en) * | 1980-12-24 | 1983-02-08 | Caterpillar Tractor Co. | System with constant force actuator |
WO1982002230A1 (en) * | 1980-12-24 | 1982-07-08 | Hall Lowell R | System with constant force actuator |
US4378675A (en) * | 1981-01-14 | 1983-04-05 | Mobil Oil Corporation | Hydraulic pump interlock system |
US4561824A (en) * | 1981-03-03 | 1985-12-31 | Hitachi, Ltd. | Hydraulic drive system for civil engineering and construction machinery |
KR870000506B1 (en) * | 1981-05-02 | 1987-03-12 | 니시모도 후미히라(西元文平) | Hydraulic circuit system for civil engineering and architectural machinery |
JPS6056923B2 (en) * | 1981-05-14 | 1985-12-12 | 日立建機株式会社 | hydraulic circuit |
JPS6056924B2 (en) * | 1981-05-14 | 1985-12-12 | 日立建機株式会社 | hydraulic circuit |
DE3221160C2 (en) * | 1982-06-04 | 1986-05-07 | Mannesmann Rexroth GmbH, 8770 Lohr | Control valve device consisting of two control blocks for several hydraulic drives, especially for mobile devices |
US4545202A (en) * | 1983-10-24 | 1985-10-08 | Sundstrand Corporation | Pressure-regulating system |
IT1187892B (en) * | 1986-02-04 | 1987-12-23 | Chs Vickers Spa | HYDRAULIC CONTROL CIRCUIT FOR WORKING BODIES OF EARTH-MOVING MACHINES WITH CENTRALIZED ACTUATOR BRAKING |
US4787204A (en) * | 1987-09-28 | 1988-11-29 | J. I. Case Company | Common relief valve |
JP2511629Y2 (en) * | 1988-05-16 | 1996-09-25 | 株式会社小松製作所 | Hydraulic circuit |
US5083428A (en) * | 1988-06-17 | 1992-01-28 | Kabushiki Kaisha Kobe Seiko Sho | Fluid control system for power shovel |
DE69015118T2 (en) * | 1989-03-24 | 1995-05-04 | Hitachi Construction Machinery Co., Ltd., Tokio/Tokyo | VALVE ARRANGEMENT AND HYDRAULIC DRIVE SYSTEM. |
KR940009219B1 (en) * | 1989-03-30 | 1994-10-01 | 히다찌 겐끼 가부시기가이샤 | Hydraulic driving apparatus of caterpillar vehicle |
DE3919640C2 (en) * | 1989-06-16 | 1996-10-02 | Rexroth Mannesmann Gmbh | Control valve device with two control blocks and pump control for several hydraulic drives |
DE4100988C2 (en) * | 1991-01-15 | 2001-05-10 | Linde Ag | Hydraulic drive system |
EP0533953B1 (en) * | 1991-04-15 | 1997-08-27 | Hitachi Construction Machinery Co., Ltd. | Hydraulic driving system in construction machine |
US5448148A (en) * | 1992-06-11 | 1995-09-05 | Caterpillar Inc. | Apparatus for positioning an excavator housing |
AU708806B2 (en) * | 1996-04-19 | 1999-08-12 | Karl Obermoser | Hydraulic ram pump |
JP2000087904A (en) * | 1998-09-14 | 2000-03-28 | Komatsu Ltd | Pressure oil supplying device |
JP3943779B2 (en) * | 1999-01-19 | 2007-07-11 | 日立建機株式会社 | Hydraulic drive system for civil engineering and construction machinery |
DE19911440C2 (en) * | 1999-03-04 | 2002-09-19 | Komatsu Mining Germany Gmbh | Device and method for controlling a hydraulic system of a construction machine, in particular a hydraulic excavator |
JP3859405B2 (en) * | 1999-10-01 | 2006-12-20 | カヤバ工業株式会社 | Fail-safe circuit |
US6357231B1 (en) * | 2000-05-09 | 2002-03-19 | Clark Equipment Company | Hydraulic pump circuit for mini excavators |
CA2374901C (en) | 2002-03-07 | 2005-05-24 | Leon's Mfg. Company Inc. | Loader drive system |
FI20030115A (en) * | 2003-01-24 | 2004-07-25 | Sandvik Tamrock Oy | Hydraulic system for quarrying equipment and method for adjusting rock drill power |
DE10336334B3 (en) * | 2003-08-08 | 2005-08-04 | Cnh Baumaschinen Gmbh | Hydraulic control system for construction machinery, in particular for excavators |
JP4151597B2 (en) * | 2004-03-31 | 2008-09-17 | コベルコ建機株式会社 | Hydraulic control circuit and construction machinery |
JP4541209B2 (en) * | 2005-03-31 | 2010-09-08 | ナブテスコ株式会社 | Hydraulic circuit |
KR100665113B1 (en) * | 2005-12-09 | 2007-01-04 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | Haydraulic circuit for heavy equipment |
CN102536932A (en) * | 2012-01-11 | 2012-07-04 | 中联重科股份有限公司 | Compression garbage truck and hydraulic system thereof |
DE102012209142A1 (en) | 2012-05-31 | 2013-12-05 | Putzmeister Engineering Gmbh | hydraulic system |
JP6643913B2 (en) * | 2016-02-16 | 2020-02-12 | 株式会社クボタ | Hydraulic block |
US9677577B1 (en) * | 2016-12-09 | 2017-06-13 | Ellicott Dredge Enterprises, Llc | Dredge having modular hydraulic manifolds |
IT201700107028A1 (en) * | 2017-09-25 | 2019-03-25 | Tesmec Spa | HYDRAULIC EQUIPMENT FOR THE STRINGING OF CONDUCTORS FOR ELECTRICAL PRODUCTS |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2643516A (en) * | 1951-12-08 | 1953-06-30 | Goodman Mfg Co | Fluid pressure system |
US2979908A (en) * | 1960-01-04 | 1961-04-18 | Warner Swasey Co | Hydraulic control systems |
US3146593A (en) * | 1960-04-18 | 1964-09-01 | Parker Hannifin Corp | Dual pump system and control valve assembly therefor |
US3037354A (en) * | 1961-05-02 | 1962-06-05 | Hydraulic Unit Specialities Co | Hydraulic apparatus for variable load systems |
US3183977A (en) * | 1962-12-03 | 1965-05-18 | Allis Chalmers Mfg Co | Tractor power lift system |
US3386344A (en) * | 1966-09-30 | 1968-06-04 | Caterpillar Tractor Co | Self-loading scraper hydraulic circuit with diverter |
US3535877A (en) * | 1969-05-09 | 1970-10-27 | Gen Signal Corp | Three-pump hydraulic system incorporating an unloader |
-
1969
- 1969-10-15 DE DE19691952034 patent/DE1952034A1/en not_active Ceased
-
1970
- 1970-10-14 SE SE13913/70A patent/SE366098B/xx unknown
- 1970-10-14 US US00080665A patent/US3720059A/en not_active Expired - Lifetime
- 1970-10-14 FR FR7037120A patent/FR2065949A5/fr not_active Expired
- 1970-10-14 GB GB1290247D patent/GB1290247A/en not_active Expired
- 1970-10-15 JP JP9083070A patent/JPS5417114B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1290247A (en) | 1972-09-20 |
JPS5417114B1 (en) | 1979-06-27 |
FR2065949A5 (en) | 1971-08-06 |
US3720059A (en) | 1973-03-13 |
DE1952034A1 (en) | 1971-04-22 |