EP0043459A3 - Control device for a set of several pumps driven by a common energy source - Google Patents

Control device for a set of several pumps driven by a common energy source Download PDF

Info

Publication number
EP0043459A3
EP0043459A3 EP81104452A EP81104452A EP0043459A3 EP 0043459 A3 EP0043459 A3 EP 0043459A3 EP 81104452 A EP81104452 A EP 81104452A EP 81104452 A EP81104452 A EP 81104452A EP 0043459 A3 EP0043459 A3 EP 0043459A3
Authority
EP
European Patent Office
Prior art keywords
control device
energy source
common energy
several pumps
pumps driven
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.)
Granted
Application number
EP81104452A
Other languages
German (de)
Other versions
EP0043459A2 (en
EP0043459B1 (en
Inventor
Dietrich Kuchenbecker
Erich Eckhardt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Linde GmbH
Original Assignee
Linde GmbH
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.)
Filing date
Publication date
Application filed by Linde GmbH filed Critical Linde GmbH
Publication of EP0043459A2 publication Critical patent/EP0043459A2/en
Publication of EP0043459A3 publication Critical patent/EP0043459A3/en
Application granted granted Critical
Publication of EP0043459B1 publication Critical patent/EP0043459B1/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
EP81104452A 1980-06-28 1981-06-10 Control device for a set of several pumps driven by a common energy source Expired EP0043459B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3024399 1980-06-28
DE19803024399 DE3024399A1 (en) 1980-06-28 1980-06-28 CONTROL DEVICE FOR A UNIT COMPOSED OF SEVERAL PUMP DRIVEN BY A COMMON PRIMARY ENERGY SOURCE

Publications (3)

Publication Number Publication Date
EP0043459A2 EP0043459A2 (en) 1982-01-13
EP0043459A3 true EP0043459A3 (en) 1982-01-20
EP0043459B1 EP0043459B1 (en) 1984-09-12

Family

ID=6105778

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81104452A Expired EP0043459B1 (en) 1980-06-28 1981-06-10 Control device for a set of several pumps driven by a common energy source

Country Status (5)

Country Link
US (1) US4405287A (en)
EP (1) EP0043459B1 (en)
JP (1) JPS5746082A (en)
BR (1) BR8104068A (en)
DE (1) DE3024399A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3143539A1 (en) * 1981-11-03 1983-05-11 Linde Ag, 6200 Wiesbaden CONTROL DEVICE FOR A CONTINUOUSLY ADJUSTABLE, PREFERABLY HYDROSTATIC GEARBOX
DE3323278C2 (en) * 1983-06-28 1986-05-22 Hydromatik GmbH, 7915 Elchingen Control device for several drive units consisting of hydrostatic gears
US4739616A (en) * 1985-12-13 1988-04-26 Sundstrand Corporation Summing pressure compensation control
JPH01220706A (en) * 1988-02-25 1989-09-04 Komatsu Ltd Hydraulic control device for hydraulic excavator
US4984427A (en) * 1989-09-01 1991-01-15 Kabushiki Kaisha Kobe Seiko Sho Control circuit for hydraulic actuator
US5600952A (en) * 1995-09-26 1997-02-11 Aurora Technology Corporation Auxilliary drive apparatus
JPH10141310A (en) * 1996-11-13 1998-05-26 Komatsu Ltd Pressure oil feeder
US8117837B1 (en) * 2003-12-17 2012-02-21 Sauer-Danfoss Inc. Hydrostatic transmission having integrated pressure compensated load sensing auxiliary pump
CN102305204A (en) * 2011-08-22 2012-01-04 广西玉柴重工有限公司 Rotating speed induction type variable constant flow pump
US11725647B2 (en) * 2021-05-18 2023-08-15 Hamilton Sundstrand Corporation On-demand dual variable displacement positive displacement pumping system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2300914A1 (en) * 1975-02-12 1976-09-10 Bosch Gmbh Robert REGULATION DEVICE FOR ADJUSTABLE PUMPS
GB1496141A (en) * 1975-04-22 1977-12-30 Priestman Bros Ltd Hydraulic systems
US4080979A (en) * 1977-03-22 1978-03-28 Caterpillar Tractor Co. Combined summing and underspeed valve
GB2032140A (en) * 1978-09-22 1980-04-30 Komatsu Mfg Co Ltd Hydraulic control system for variable-displacement pumps

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3841795A (en) * 1972-07-17 1974-10-15 Caterpillar Tractor Co Combined engine speed and pressure responsive control 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
JPS5364802A (en) * 1976-11-24 1978-06-09 Komatsu Ltd Input torque control equipment in hydraulic pump
DE2813486C2 (en) * 1977-03-31 1986-06-26 Kabushiki Kaisha Komatsu Seisakusho, Tokio/Tokyo Control device for hydraulic pumps

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2300914A1 (en) * 1975-02-12 1976-09-10 Bosch Gmbh Robert REGULATION DEVICE FOR ADJUSTABLE PUMPS
GB1496141A (en) * 1975-04-22 1977-12-30 Priestman Bros Ltd Hydraulic systems
US4080979A (en) * 1977-03-22 1978-03-28 Caterpillar Tractor Co. Combined summing and underspeed valve
GB2032140A (en) * 1978-09-22 1980-04-30 Komatsu Mfg Co Ltd Hydraulic control system for variable-displacement pumps

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HYDRAULIC PNEUMATIC MECHANICAL POWER, Band 23, No. 271, Juli 1977, A.T. CLEMENTS "Power Economy with Hydrostatic Transmission, Seiten 257-261 *

Also Published As

Publication number Publication date
DE3024399A1 (en) 1982-01-21
BR8104068A (en) 1982-03-16
EP0043459A2 (en) 1982-01-13
EP0043459B1 (en) 1984-09-12
JPS5746082A (en) 1982-03-16
US4405287A (en) 1983-09-20

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