DE59809947D1 - Pressure limiting control circuit for the safe operation of an adjustable hydraulic radial, axial piston pump or vane machine - Google Patents

Pressure limiting control circuit for the safe operation of an adjustable hydraulic radial, axial piston pump or vane machine

Info

Publication number
DE59809947D1
DE59809947D1 DE59809947T DE59809947T DE59809947D1 DE 59809947 D1 DE59809947 D1 DE 59809947D1 DE 59809947 T DE59809947 T DE 59809947T DE 59809947 T DE59809947 T DE 59809947T DE 59809947 D1 DE59809947 D1 DE 59809947D1
Authority
DE
Germany
Prior art keywords
control circuit
piston pump
safe operation
pressure limiting
axial piston
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 - Fee Related
Application number
DE59809947T
Other languages
German (de)
Inventor
Volkmar Leutner
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of DE59809947D1 publication Critical patent/DE59809947D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04B49/10—Other safety measures
    • 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
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/06—Pressure in a (hydraulic) circuit
    • F04B2205/061—Pressure in a (hydraulic) circuit after a throttle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
DE59809947T 1997-06-12 1998-03-20 Pressure limiting control circuit for the safe operation of an adjustable hydraulic radial, axial piston pump or vane machine Expired - Fee Related DE59809947D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19724870A DE19724870A1 (en) 1997-06-12 1997-06-12 Adjustable hydraulic work machine

Publications (1)

Publication Number Publication Date
DE59809947D1 true DE59809947D1 (en) 2003-11-27

Family

ID=7832281

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19724870A Ceased DE19724870A1 (en) 1997-06-12 1997-06-12 Adjustable hydraulic work machine
DE59809947T Expired - Fee Related DE59809947D1 (en) 1997-06-12 1998-03-20 Pressure limiting control circuit for the safe operation of an adjustable hydraulic radial, axial piston pump or vane machine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19724870A Ceased DE19724870A1 (en) 1997-06-12 1997-06-12 Adjustable hydraulic work machine

Country Status (3)

Country Link
EP (1) EP0884476B1 (en)
JP (1) JPH1150968A (en)
DE (2) DE19724870A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100485196C (en) * 2006-02-11 2009-05-06 中国矿业大学 Electrohydraulic unloading valve with both hydraulic control mode and electrohydraulic control mode
WO2013037582A1 (en) 2011-09-16 2013-03-21 Robert Bosch Gmbh Adjustment device for a hydrostatic machine and hydrostatic machine
FR2993940B1 (en) * 2012-07-24 2018-11-09 Poclain Hydraulics Industrie HYDRAULIC CONTROL CIRCUIT WITH SAFETY IN CASE OF COMMAND BREAK
DE102016014361A1 (en) 2016-12-02 2018-06-07 Alpha Fluid Hydrauliksysteme Müller GmbH Proportional valve in hydraulic systems
DE102017222355A1 (en) * 2017-12-11 2019-06-13 Robert Bosch Gmbh Control device with electro-proportional control behavior and double solenoid
DE102021118806B3 (en) 2021-07-21 2022-10-13 Pierburg Pump Technology Gmbh Method for controlling an electrically driven fluid pump for a vehicle and an electrically driven fluid pump for a vehicle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3140397C2 (en) * 1981-10-10 1993-10-21 Bosch Gmbh Robert Pilot-controlled device for load-independent regulation of a pressure medium flow proportional to an electrical input signal
US4801247A (en) * 1985-09-02 1989-01-31 Yuken Kogyo Kabushiki Kaisha Variable displacement piston pump
DE4115606A1 (en) * 1991-05-14 1992-11-19 Putzmeister Maschf OVERLOAD PROTECTION DEVICE FOR A DRIVE ENGINE DESIGNED AS AN INTERNAL COMBUSTION ENGINE OF A MAIN PUMP OF A HYDRAULIC PRESSURE SUPPLY UNIT
DE4327313C2 (en) * 1993-08-13 2001-07-05 Mannesmann Rexroth Ag Process for regulating the pressure of a hydrostatic machine with an adjustable delivery volume
DE4410719A1 (en) * 1994-03-28 1995-10-05 Bosch Gmbh Robert Electrohydraulically adjustable pump

Also Published As

Publication number Publication date
EP0884476B1 (en) 2003-10-22
EP0884476A2 (en) 1998-12-16
JPH1150968A (en) 1999-02-23
EP0884476A3 (en) 1999-02-03
DE19724870A1 (en) 1998-12-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee