BE794115A - SUMMER VALVE DEVICE - Google Patents
SUMMER VALVE DEVICEInfo
- Publication number
- BE794115A BE794115A BE794115DA BE794115A BE 794115 A BE794115 A BE 794115A BE 794115D A BE794115D A BE 794115DA BE 794115 A BE794115 A BE 794115A
- Authority
- BE
- Belgium
- Prior art keywords
- valve device
- summer valve
- summer
- valve
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/002—Hydraulic systems to change the pump delivery
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12773871A | 1971-03-24 | 1971-03-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE794115A true BE794115A (en) | 1973-05-16 |
Family
ID=22431685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE794115D BE794115A (en) | 1971-03-24 | SUMMER VALVE DEVICE |
Country Status (2)
Country | Link |
---|---|
US (1) | US3732036A (en) |
BE (1) | BE794115A (en) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3861832A (en) * | 1972-08-04 | 1975-01-21 | Poclain Sa | Pump power governor |
DE2331617A1 (en) * | 1973-06-22 | 1975-01-16 | Bosch Gmbh Robert | CONTROL DEVICE FOR HYDROPUMPS |
FR2247112A5 (en) * | 1973-10-03 | 1975-05-02 | Poclain Sa | |
USRE30226E (en) * | 1974-05-20 | 1980-03-11 | Sundstrand Corporation | Torque limiting control |
US3941514A (en) * | 1974-05-20 | 1976-03-02 | Sundstrand Corporation | Torque limiting control |
US3985472A (en) * | 1975-04-23 | 1976-10-12 | International Harvester Company | Combined fixed and variable displacement pump system |
US3963378A (en) * | 1975-06-04 | 1976-06-15 | Caterpillar Tractor Co. | Part throttle control -- pump override |
US4029439A (en) * | 1975-12-22 | 1977-06-14 | Abex Corporation | Control system for variable displacement pumps |
US4008004A (en) * | 1975-12-22 | 1977-02-15 | Abex Corporation | Control system for variable displacement pumps |
US4017219A (en) * | 1975-12-22 | 1977-04-12 | Abex Corporation | Control system for variable displacement pumps |
DE2603563C2 (en) * | 1976-01-30 | 1986-02-20 | Linde Ag, 6200 Wiesbaden | Control device for a pump unit consisting of at least two pumps |
US3987622A (en) * | 1976-02-02 | 1976-10-26 | Caterpillar Tractor Co. | Load controlled fluid system having parallel work elements |
US4017218A (en) * | 1976-03-15 | 1977-04-12 | Caterpillar Tractor Co. | Dual-speed setting underspeed system |
US4065228A (en) * | 1977-02-24 | 1977-12-27 | Caterpillar Tractor Co. | Hydraulic control for variable displacement pumps |
CA1104033A (en) * | 1977-02-24 | 1981-06-30 | Commercial Shearing, Inc. | Pressure and flow compensated control system with constant torque and viscosity sensing over-ride |
US4080979A (en) * | 1977-03-22 | 1978-03-28 | Caterpillar Tractor Co. | Combined summing and underspeed valve |
DE2813486C2 (en) * | 1977-03-31 | 1986-06-26 | Kabushiki Kaisha Komatsu Seisakusho, Tokio/Tokyo | Control device for hydraulic pumps |
US4196588A (en) * | 1978-05-01 | 1980-04-08 | Caterpillar Tractor Co. | Margin valve |
FR2424784A1 (en) * | 1978-05-02 | 1979-11-30 | Avyac Sa | Mandrel for precision locking of drill - has hollow spindle in body with removable cover including drill guide and gripping jaws |
JPS5543245A (en) * | 1978-09-22 | 1980-03-27 | Komatsu Ltd | Volume controller of variable hydraulic pump |
JPS5543246A (en) * | 1978-09-22 | 1980-03-27 | Komatsu Ltd | Volume controller of variable hydraulic pump |
JPS56139316A (en) * | 1980-01-07 | 1981-10-30 | Komatsu Ltd | Power loss reduction controller for oil-pressure type construction machine |
JPS57501394A (en) * | 1980-09-12 | 1982-08-05 | ||
EP0059710A4 (en) * | 1980-09-12 | 1984-05-29 | Caterpillar Tractor Co | Multiple pump system with horsepower limiting control. |
JPS57197336A (en) * | 1981-05-29 | 1982-12-03 | Komatsu Ltd | Oil-pressure circuit for turning excavator |
US4498847A (en) * | 1982-06-29 | 1985-02-12 | Kabushiki Kaisha Komatsu Seisakusho | Control system for variable displacement hydraulic pumps |
US4600364A (en) * | 1983-06-20 | 1986-07-15 | Kabushiki Kaisha Komatsu Seisakusho | Fluid operated pump displacement control system |
DE3340332C2 (en) * | 1983-11-08 | 1988-11-10 | Hydromatik GmbH, 7915 Elchingen | Power control device for a hydrostatic drive with flow rate adjustment |
US4613286A (en) * | 1984-12-31 | 1986-09-23 | Kabushiki Kaisha Komatsu Seisakusho | Constant torque control system for a variable displacement pump or pumps |
US4739616A (en) * | 1985-12-13 | 1988-04-26 | Sundstrand Corporation | Summing pressure compensation control |
US6206652B1 (en) | 1998-08-25 | 2001-03-27 | Copeland Corporation | Compressor capacity modulation |
US6109030A (en) * | 1998-02-13 | 2000-08-29 | Sauer Inc. | Apparatus and method for ganging multiple open circuit pumps |
US6216456B1 (en) | 1999-11-15 | 2001-04-17 | Caterpillar Inc. | Load sensing hydraulic control system for variable displacement pump |
US7674095B2 (en) * | 2000-12-12 | 2010-03-09 | Borgwarner Inc. | Variable displacement vane pump with variable target regulator |
US8157538B2 (en) * | 2007-07-23 | 2012-04-17 | Emerson Climate Technologies, Inc. | Capacity modulation system for compressor and method |
WO2010088271A2 (en) | 2009-01-27 | 2010-08-05 | Emerson Climate Technologies, Inc. | Unloader system and method for a compressor |
US8935009B2 (en) * | 2011-05-06 | 2015-01-13 | Caterpillar Inc. | Method and apparatus for controlling multiple variable displacement hydraulic pumps |
US10378533B2 (en) | 2011-12-06 | 2019-08-13 | Bitzer Us, Inc. | Control for compressor unloading system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2441779A (en) * | 1945-12-21 | 1948-05-18 | Bendix Aviat Corp | Supercharger regulator and surge control |
US2629982A (en) * | 1947-01-23 | 1953-03-03 | Rolls Royce | Fuel system for gas-turbine engines |
US2618222A (en) * | 1947-05-12 | 1952-11-18 | Rolls Royce | Fuel system for gas-turbine engines |
US2936588A (en) * | 1958-01-20 | 1960-05-17 | Deere & Co | Hydraulic pump and motor apparatus with load responsive pump regulating means |
US3093081A (en) * | 1959-01-29 | 1963-06-11 | New York Air Brake Co | Pumping device |
DE1528476A1 (en) * | 1966-03-10 | 1969-08-07 | Linde Ag | Control device for several pumps |
DE1922269A1 (en) * | 1969-04-29 | 1970-11-12 | Bellows Valvair Kaemper Gmbh | Total power controller |
-
0
- BE BE794115D patent/BE794115A/en unknown
-
1971
- 1971-03-24 US US00127738A patent/US3732036A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3732036A (en) | 1973-05-08 |
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