EP0149787A3 - Torque controlling device for a variable hydropump - Google Patents

Torque controlling device for a variable hydropump Download PDF

Info

Publication number
EP0149787A3
EP0149787A3 EP84115198A EP84115198A EP0149787A3 EP 0149787 A3 EP0149787 A3 EP 0149787A3 EP 84115198 A EP84115198 A EP 84115198A EP 84115198 A EP84115198 A EP 84115198A EP 0149787 A3 EP0149787 A3 EP 0149787A3
Authority
EP
European Patent Office
Prior art keywords
hydropump
variable
controlling device
torque controlling
torque
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
EP84115198A
Other languages
German (de)
Other versions
EP0149787B2 (en
EP0149787A2 (en
EP0149787B1 (en
Inventor
Gerhard Beutler
Heinz Berthold
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.)
Brueninghaus Hydraulik GmbH
Original Assignee
Brueninghaus Hydraulik 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25816438&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0149787(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Brueninghaus Hydraulik GmbH filed Critical Brueninghaus Hydraulik GmbH
Publication of EP0149787A2 publication Critical patent/EP0149787A2/en
Publication of EP0149787A3 publication Critical patent/EP0149787A3/en
Application granted granted Critical
Publication of EP0149787B1 publication Critical patent/EP0149787B1/en
Publication of EP0149787B2 publication Critical patent/EP0149787B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26—Control
    • F04B1/30—Control of machines or pumps with rotary cylinder blocks
    • F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
    • F04B1/324—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate
    • 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
    • F04B49/08—Regulating by delivery pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
EP84115198A 1983-12-14 1984-12-12 Feed controlling device for a variable hydropump Expired - Lifetime EP0149787B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3345264 1983-12-14
DE19833345264 DE3345264A1 (en) 1983-12-14 1983-12-14 TORQUE CONTROL UNIT FOR AN ADJUSTABLE HYDROPUMP
DE8335902U DE8335902U1 (en) 1983-12-14 1983-12-14 Torque control device for an adjustable hydraulic pump

Publications (4)

Publication Number Publication Date
EP0149787A2 EP0149787A2 (en) 1985-07-31
EP0149787A3 true EP0149787A3 (en) 1985-08-21
EP0149787B1 EP0149787B1 (en) 1987-05-06
EP0149787B2 EP0149787B2 (en) 1991-10-02

Family

ID=25816438

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84115198A Expired - Lifetime EP0149787B2 (en) 1983-12-14 1984-12-12 Feed controlling device for a variable hydropump

Country Status (4)

Country Link
US (1) US4668171A (en)
EP (1) EP0149787B2 (en)
JP (1) JPS60147588A (en)
DE (2) DE3345264A1 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3644769A1 (en) * 1986-12-30 1988-07-14 Brueninghaus Hydraulik Gmbh CONTROL DEVICE FOR AN ADJUSTABLE HYDROSTATIC MACHINE
DE3742111A1 (en) * 1987-04-02 1989-06-29 Brueninghaus Hydraulik Gmbh CONTROL DEVICE FOR AT LEAST TWO HYDROSTATIC MACHINES VARIABLE CONVEYORS OR CONNECTED TO A COMMON WORKING PRESSURE LINE. SWALLOWING VOLUME
DE3711050A1 (en) * 1987-04-02 1988-10-20 Brueninghaus Hydraulik Gmbh CONTROL DEVICE FOR AT LEAST TWO HYDROSTATIC MACHINES CONNECTED TO A COMMON WORKING PRESSURE LINE
DE3711053A1 (en) * 1987-04-02 1988-10-20 Brueninghaus Hydraulik Gmbh CONTROL DEVICE FOR AT LEAST TWO HYDROSTATIC MACHINES CONNECTED TO A COMMON WORKING PRESSURE LINE
JP2578371B2 (en) * 1989-09-22 1997-02-05 株式会社小松製作所 Displacement control device for variable displacement pump
DE4020325C2 (en) * 1990-06-26 1995-01-05 Hydrokraft Gmbh Control device for adjustable hydraulic pumps
DE4118869C2 (en) * 1991-06-07 1995-06-29 Hydromatik Gmbh Control device for controlling the displacement volume of several hydrostatic machines
DE4141108A1 (en) * 1991-12-13 1993-06-17 Putzmeister Maschf DEVICE FOR REGULATING THE OUTLET PRESSURE OF A PUMP
DE4202631C2 (en) * 1992-01-30 1995-07-06 Hydromatik Gmbh Axial piston machine, in particular hydraulic pump of the swash plate type or of the inclined axis type, the throughput volume of which can be adjusted by an adjusting device
DE4208925C1 (en) * 1992-03-19 1993-06-03 Hydromatik Gmbh, 7915 Elchingen, De
US5538401A (en) * 1994-07-05 1996-07-23 Denison Hydraulics Inc. Axial piston pump
KR100212645B1 (en) * 1994-09-30 1999-08-02 토니헬샴 Discharge flow controlling unit in hydraulic pump
DE19517974A1 (en) * 1995-05-16 1996-11-21 Brueninghaus Hydromatik Gmbh Slidable hydraulic power or torque control device
JPH0986805A (en) * 1995-09-25 1997-03-31 Kandenko Co Ltd Braking device for cable drum
WO1998019069A1 (en) 1996-10-31 1998-05-07 Brueninghaus Hydromatik Gmbh Power- and moment-regulating system for a plurality of hydraulic pumps
DE19646687C1 (en) * 1996-10-31 1998-02-12 Brueninghaus Hydromatik Gmbh Power and moment regulator for several variable output hydraulic pumps
DE19742157C2 (en) * 1997-09-24 1999-07-01 Brueninghaus Hydromatik Gmbh Control device for an adjustable hydraulic pump with several consumers
DE19831587C2 (en) * 1998-07-14 2000-06-15 Brueninghaus Hydromatik Gmbh Power control device for controlling the hydraulic power of a hydraulic pump
DE10001826C1 (en) * 2000-01-18 2001-09-20 Brueninghaus Hydromatik Gmbh Device for regulating the performance of an adjustable piston machine
DE10341331B3 (en) * 2003-09-08 2005-05-25 Brueninghaus Hydromatik Gmbh Power control device
WO2008022672A1 (en) * 2006-08-21 2008-02-28 Joma-Hydromechanic Gmbh Feed pump
US8647075B2 (en) * 2009-03-18 2014-02-11 Eaton Corporation Control valve for a variable displacement pump
US9086143B2 (en) 2010-11-23 2015-07-21 Caterpillar Inc. Hydraulic fan circuit having energy recovery
DE102016123160A1 (en) * 2016-11-30 2018-05-30 Schwing Gmbh Large manipulator with quick folding and unfolding articulated mast
DE102017213458A1 (en) 2017-08-03 2019-02-07 Robert Bosch Gmbh Hydrostatic axial piston machine with power limitation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1318661A (en) * 1961-12-27 1963-02-22 Sciper Sa Safety device for positive displacement pumps
FR2211054A5 (en) * 1972-12-18 1974-07-12 Sperry Rand Corp
US3941513A (en) * 1974-09-05 1976-03-02 Parker-Hannifin Corporation Variable displacement pump control assembly
GB2104250A (en) * 1981-08-21 1983-03-02 Bosch Gmbh Robert An electrohydraulic adjusting device for an hydrostatic machine

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1126873A (en) * 1964-09-22 1968-09-11 Sperry Rand Corp Improvements in hydraulic supply and control systems
NL165340C (en) * 1968-05-09 1981-03-16 Philips Nv DEVICE FOR GENERATING STIMULATED INFRARED EMISSIONS WITH A WAVE LENGTH OF APPROXIMATELY 10.6 MU OF CONTAINERS FOR MAINTAINING AN ELECTRIC DISCHARGE IN A PARTICULAR GAS FLUID.
DE1921298B2 (en) * 1969-04-25 1973-08-23 Hydromatik Gmbh, 7900 Ulm DEVICE FOR REGULATING THE FLOW RATE OF ADJUSTABLE AXIAL PISTON PUMPS
DE1922269A1 (en) * 1969-04-29 1970-11-12 Bellows Valvair Kaemper Gmbh Total power controller
BE757640A (en) * 1969-10-16 1971-04-16 Borg Warner HYDRAULIC SYSTEMS, ESPECIALLY FOR THE REGULATION OF A VARIABLE FLOW PUMP
US3669570A (en) * 1970-03-09 1972-06-13 Mannesmann Meer Ag Power regulation for fluid machines
US3768928A (en) * 1971-06-01 1973-10-30 Borg Warner Pump control system
DE2141722A1 (en) * 1971-08-20 1973-03-01 Bosch Gmbh Robert PRESSURE REGULATOR FOR AN ADJUSTABLE PUMP
DD110684A1 (en) * 1974-03-20 1975-01-05
US3935707A (en) * 1974-07-22 1976-02-03 General Signal Corporation Hydraulic control system
DE2461897A1 (en) * 1974-12-31 1976-07-08 Bosch Gmbh Robert CONTROL DEVICE FOR A PUMP
DE2551088C2 (en) * 1975-11-14 1984-06-28 Mannesmann Rexroth GmbH, 8770 Lohr Device for volume and pressure control for variable displacement pumps
US4348159A (en) * 1980-01-07 1982-09-07 Rexnord Inc. Convertible pump servo-valve control
JPS57107407A (en) * 1980-12-25 1982-07-03 Daikin Ind Ltd Construction equipment such as power shovel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1318661A (en) * 1961-12-27 1963-02-22 Sciper Sa Safety device for positive displacement pumps
FR2211054A5 (en) * 1972-12-18 1974-07-12 Sperry Rand Corp
US3941513A (en) * 1974-09-05 1976-03-02 Parker-Hannifin Corporation Variable displacement pump control assembly
GB2104250A (en) * 1981-08-21 1983-03-02 Bosch Gmbh Robert An electrohydraulic adjusting device for an hydrostatic machine

Also Published As

Publication number Publication date
EP0149787B2 (en) 1991-10-02
JPH0526955B2 (en) 1993-04-19
DE8335902U1 (en) 1987-06-04
DE3345264A1 (en) 1985-06-27
EP0149787A2 (en) 1985-07-31
JPS60147588A (en) 1985-08-03
US4668171A (en) 1987-05-26
EP0149787B1 (en) 1987-05-06

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