BE794115A - SUMMER VALVE DEVICE - Google Patents

SUMMER VALVE DEVICE

Info

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
Application number
Other languages
French (fr)
Inventor
W F Busbey
D L Hopkins
Original Assignee
Caterpillar Tractor Co
Priority date (The priority date 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 date listed.)
Publication date
Publication of BE794115A publication Critical patent/BE794115A/en

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)
BE794115D 1971-03-24 SUMMER VALVE DEVICE BE794115A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US3732036A (en) 1973-05-08

Similar Documents

Publication Publication Date Title
BE794115A (en) SUMMER VALVE DEVICE
BE785018A (en) MULTIPLE VENTILATION DEVICE
BE786787A (en) DECOMPRESSION DEVICE
CH363072A4 (en) Timepiece device
ATA1102672A (en) SIGHTING DEVICE
BE785058A (en) SUPPORT DEVICE
BE777439A (en) HYPODERMAL DEVICE
IT975436B (en) VALVE DEVICE
CH550959A (en) VALVE DEVICE.
SE384922B (en) VETEJONKENSLIG METAN DEVICE
BE782635A (en) SEMICONDUCTOR DEVICE
BE791487A (en) SEMICONDUCTOR DEVICE
BE790110A (en) LIFTING DEVICE
CH543697A (en) Throttle device
BE785747A (en) SEMICONDUCTOR DEVICE
SE388803B (en) FOLLOWING DEVICE
BE784519A (en) MASSAGE DEVICE
BE791888A (en) CRYOPUMPING DEVICE
TR17651A (en) HARARET MUEBADELE DEVICE
ES168927Y (en) DEVICE FOR-MECHAS.
BE779298A (en) TRANSMISSION DEVICE
BE780458A (en) VALVE OPERATING DEVICE
BE780014A (en) SEMICONDUCTOR DEVICE
SE383389B (en) FLEKING DEVICE
SE403047B (en) VALVE DEVICE