CA971920A - Control system for automatically sequencing operation of a plurality of hydraulic pumps for supplying a plurality of hydraulic actuators - Google Patents
Control system for automatically sequencing operation of a plurality of hydraulic pumps for supplying a plurality of hydraulic actuatorsInfo
- Publication number
- CA971920A CA971920A CA163,839A CA163839A CA971920A CA 971920 A CA971920 A CA 971920A CA 163839 A CA163839 A CA 163839A CA 971920 A CA971920 A CA 971920A
- Authority
- CA
- Canada
- Prior art keywords
- supplying
- hydraulic
- control system
- sequencing operation
- automatically sequencing
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with two or more 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
- 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
-
- 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
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid 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
- F15B2211/50—Pressure control
- F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
- F15B2211/5151—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a directional control valve
-
- 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
- F15B2211/605—Load sensing circuits
- F15B2211/6058—Load sensing circuits with isolator 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
- F15B2211/70—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)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Jib Cranes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22902272A | 1972-02-24 | 1972-02-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA971920A true CA971920A (en) | 1975-07-29 |
Family
ID=22859520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA163,839A Expired CA971920A (en) | 1972-02-24 | 1973-02-15 | Control system for automatically sequencing operation of a plurality of hydraulic pumps for supplying a plurality of hydraulic actuators |
Country Status (6)
Country | Link |
---|---|
US (1) | US3760689A (en) |
JP (1) | JPS4898281A (en) |
CA (1) | CA971920A (en) |
DE (1) | DE2308810A1 (en) |
FR (1) | FR2173164B1 (en) |
GB (1) | GB1380371A (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4179981A (en) * | 1975-10-30 | 1979-12-25 | Poclain | Device for sequentially supplying several hydraulic motors |
US4089171A (en) * | 1976-05-24 | 1978-05-16 | Webster Electric Company, Inc. | Four position valve assembly |
US4416138A (en) * | 1980-03-05 | 1983-11-22 | Usm Corporation | Extrusion press die change assembly |
US4335577A (en) * | 1980-06-19 | 1982-06-22 | Deere & Company | Hydraulic system having variable displacement pumps controlled by power beyond flow |
JPS5810960U (en) * | 1981-07-10 | 1983-01-24 | 日立建機株式会社 | Hydraulic excavator hydraulic circuit |
DE3132342A1 (en) * | 1981-08-17 | 1983-03-03 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | "HYDROSTATIC AUXILIARY STEERING DEVICE" |
US4819430A (en) * | 1983-01-21 | 1989-04-11 | Hydreco, Inc. | Variably charged hydraulic circuit |
DE3319408A1 (en) * | 1983-05-28 | 1984-11-29 | Robert Bosch Gmbh, 7000 Stuttgart | POWER STEERING DEVICE WITH AT LEAST ONE HYDRAULIC ADDITIONAL CONSUMER CONNECTED TO IT |
US4632158A (en) * | 1985-08-01 | 1986-12-30 | Clark Equipment Company | Power limiting hydraulic system |
JPH01150202U (en) * | 1988-04-08 | 1989-10-17 | ||
US4976187A (en) * | 1988-08-24 | 1990-12-11 | Crane Carrier Company | Fast sweep power cylinder for refuse trucks |
AU631727B2 (en) * | 1990-03-09 | 1992-12-03 | Kubota Corporation | Hydraulic circuit for a working vehicle having a plurality of hydraulic actuators |
US5332053A (en) * | 1993-01-26 | 1994-07-26 | Aquilon Technologies Inc. | Hydraulic drive system |
JP2932892B2 (en) * | 1993-05-27 | 1999-08-09 | ダイキン工業株式会社 | Ultra high pressure generator |
US6116006A (en) * | 1999-05-27 | 2000-09-12 | Deere & Company | Hydraulic system for a detachable implement |
GB2387674B (en) * | 2002-04-20 | 2005-09-07 | Agco Sa | Load sensing hydraulic system |
US7251934B2 (en) * | 2004-03-27 | 2007-08-07 | Cnh America Llc | Work vehicle hydraulic system |
DE202005012049U1 (en) * | 2005-08-01 | 2006-12-14 | Liebherr-Werk Ehingen Gmbh | Telescopic sliding beam |
US8801407B2 (en) * | 2010-02-24 | 2014-08-12 | Harris Waste Management Group, Inc. | Hybrid electro-hydraulic power device |
JP6368553B2 (en) * | 2014-06-06 | 2018-08-01 | Kyb株式会社 | Fluid pressure system |
JP6510396B2 (en) * | 2015-12-28 | 2019-05-08 | 日立建機株式会社 | Work machine |
WO2019202458A2 (en) * | 2018-04-17 | 2019-10-24 | Socolovsky Eviatar | Hydraulic intensifiers, boosters and/or controllers |
US11015622B2 (en) * | 2018-04-17 | 2021-05-25 | Eviatar SOCOLOVSKY | Hydraulic intensifiers, boosters and/or controllers |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2643516A (en) * | 1951-12-08 | 1953-06-30 | Goodman Mfg Co | Fluid pressure system |
US2797551A (en) * | 1952-05-17 | 1957-07-02 | American Brake Shoe Co | Hydraulic system and pump means therefor |
-
1972
- 1972-02-24 US US00229022A patent/US3760689A/en not_active Expired - Lifetime
-
1973
- 1973-02-15 CA CA163,839A patent/CA971920A/en not_active Expired
- 1973-02-22 FR FR7306250A patent/FR2173164B1/fr not_active Expired
- 1973-02-22 DE DE19732308810 patent/DE2308810A1/en not_active Ceased
- 1973-02-23 GB GB892873A patent/GB1380371A/en not_active Expired
- 1973-02-23 JP JP48021436A patent/JPS4898281A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1380371A (en) | 1975-01-15 |
US3760689A (en) | 1973-09-25 |
DE2308810A1 (en) | 1973-09-06 |
JPS4898281A (en) | 1973-12-13 |
FR2173164A1 (en) | 1973-10-05 |
FR2173164B1 (en) | 1978-08-11 |
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