EP0972939A3 - Dispositif de contrôle de puissance pour plusieurs pompes hydrauliques - Google Patents

Dispositif de contrôle de puissance pour plusieurs pompes hydrauliques Download PDF

Info

Publication number
EP0972939A3
EP0972939A3 EP99113343A EP99113343A EP0972939A3 EP 0972939 A3 EP0972939 A3 EP 0972939A3 EP 99113343 A EP99113343 A EP 99113343A EP 99113343 A EP99113343 A EP 99113343A EP 0972939 A3 EP0972939 A3 EP 0972939A3
Authority
EP
European Patent Office
Prior art keywords
hydraulic pump
swivel angle
control device
power control
throttle
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
EP99113343A
Other languages
German (de)
English (en)
Other versions
EP0972939A2 (fr
EP0972939B1 (fr
Inventor
Dieter Dittmann
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 Hydromatik GmbH
Original Assignee
Brueninghaus Hydromatik 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 Brueninghaus Hydromatik GmbH filed Critical Brueninghaus Hydromatik GmbH
Publication of EP0972939A2 publication Critical patent/EP0972939A2/fr
Publication of EP0972939A3 publication Critical patent/EP0972939A3/fr
Application granted granted Critical
Publication of EP0972939B1 publication Critical patent/EP0972939B1/fr
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
    • 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
    • F04B49/08—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
    • F04B2201/00—Pump parameters
    • F04B2201/12—Parameters of driving or driven means
    • F04B2201/1205—Position of a non-rotating inclined plate
    • F04B2201/12051—Angular position
    • 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
    • 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
    • F04B2205/16—Opening or closing of a valve in a circuit
    • 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
    • F04B2205/17—Opening width of a throttling device
    • F04B2205/172—Opening width of a throttling device after the pump outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
EP19990113343 1998-07-14 1999-07-09 Dispositif de contrôle de puissance pour plusieurs pompes hydrauliques Expired - Lifetime EP0972939B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19831587 1998-07-14
DE1998131587 DE19831587C2 (de) 1998-07-14 1998-07-14 Leistungsregelvorrichtung zur Regelung der hydraulischen Leistung einer Hydropumpe

Publications (3)

Publication Number Publication Date
EP0972939A2 EP0972939A2 (fr) 2000-01-19
EP0972939A3 true EP0972939A3 (fr) 2000-08-23
EP0972939B1 EP0972939B1 (fr) 2006-08-30

Family

ID=7874043

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990113343 Expired - Lifetime EP0972939B1 (fr) 1998-07-14 1999-07-09 Dispositif de contrôle de puissance pour plusieurs pompes hydrauliques

Country Status (2)

Country Link
EP (1) EP0972939B1 (fr)
DE (2) DE19831587C2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10304665A1 (de) * 2003-02-05 2004-08-19 Liebherr-Machines Bulle S.A. Antrieb mit Hydromaschine
CN104235003B (zh) * 2013-12-13 2017-03-15 江苏恒立液压科技有限公司 柱塞泵控制阀及其控制方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1188948B (de) * 1960-07-16 1965-03-11 Metallwerk Glockerau G M B H Arbeitsfluessigkeitsmengen-Regeleinrichtung fuer hydrostatische Pumpen und Motoren
US4348159A (en) * 1980-01-07 1982-09-07 Rexnord Inc. Convertible pump servo-valve control
US4478136A (en) * 1981-08-21 1984-10-23 Robert Bosch Gmbh Electrohydraulic control arrangement for hydrostatic machine
US4668171A (en) * 1983-12-14 1987-05-26 Brueninghaus Hydraulik Gmbh Torque control device for an adjustable hydropump

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19626793C1 (de) * 1996-07-03 1997-06-26 Brueninghaus Hydromatik Gmbh Hydraulische Regeleinrichtung zum parallelen Regeln mehrerer hydrostatischer Verstellpumpen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1188948B (de) * 1960-07-16 1965-03-11 Metallwerk Glockerau G M B H Arbeitsfluessigkeitsmengen-Regeleinrichtung fuer hydrostatische Pumpen und Motoren
US4348159A (en) * 1980-01-07 1982-09-07 Rexnord Inc. Convertible pump servo-valve control
US4478136A (en) * 1981-08-21 1984-10-23 Robert Bosch Gmbh Electrohydraulic control arrangement for hydrostatic machine
US4668171A (en) * 1983-12-14 1987-05-26 Brueninghaus Hydraulik Gmbh Torque control device for an adjustable hydropump

Also Published As

Publication number Publication date
DE19831587C2 (de) 2000-06-15
EP0972939A2 (fr) 2000-01-19
EP0972939B1 (fr) 2006-08-30
DE19831587A1 (de) 2000-02-24
DE59913812D1 (de) 2006-10-12

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