DE59809468D1 - Pressure control loop for several hydraulic pumps with diaphragm seals - Google Patents

Pressure control loop for several hydraulic pumps with diaphragm seals

Info

Publication number
DE59809468D1
DE59809468D1 DE59809468T DE59809468T DE59809468D1 DE 59809468 D1 DE59809468 D1 DE 59809468D1 DE 59809468 T DE59809468 T DE 59809468T DE 59809468 T DE59809468 T DE 59809468T DE 59809468 D1 DE59809468 D1 DE 59809468D1
Authority
DE
Germany
Prior art keywords
pressure control
control loop
hydraulic pumps
several hydraulic
diaphragm seals
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
DE59809468T
Other languages
German (de)
Inventor
Aalst Dirk Van
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
Application granted granted Critical
Publication of DE59809468D1 publication Critical patent/DE59809468D1/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
    • F04B49/002—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
    • F04B49/12—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 by varying the length of stroke of the working members
    • 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
    • F04B2205/05—Pressure after the pump outlet
    • 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
    • F04B2207/00—External parameters
    • F04B2207/01—Load in general

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
DE59809468T 1997-08-13 1998-07-24 Pressure control loop for several hydraulic pumps with diaphragm seals Expired - Fee Related DE59809468D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19735110A DE19735110B4 (en) 1997-08-13 1997-08-13 Control device with diaphragm seal

Publications (1)

Publication Number Publication Date
DE59809468D1 true DE59809468D1 (en) 2003-10-09

Family

ID=7838874

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19735110A Expired - Fee Related DE19735110B4 (en) 1997-08-13 1997-08-13 Control device with diaphragm seal
DE59809468T Expired - Fee Related DE59809468D1 (en) 1997-08-13 1998-07-24 Pressure control loop for several hydraulic pumps with diaphragm seals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19735110A Expired - Fee Related DE19735110B4 (en) 1997-08-13 1997-08-13 Control device with diaphragm seal

Country Status (2)

Country Link
EP (1) EP0897062B1 (en)
DE (2) DE19735110B4 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10024696B4 (en) * 2000-05-18 2006-05-04 Daimlerchrysler Ag pump assembly
DE10119237B4 (en) * 2001-04-19 2005-08-11 Brueninghaus Hydromatik Gmbh Diaphragm Seals
DE10151401A1 (en) * 2001-10-18 2003-05-08 Brueninghaus Hydromatik Gmbh Total power regulator and diaphragm seal
CN114934897A (en) * 2022-03-17 2022-08-23 广东科达液压技术有限公司 Control mechanism based on variable plunger pump

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5543245A (en) * 1978-09-22 1980-03-27 Komatsu Ltd Volume controller of variable hydraulic pump
DE3407827C2 (en) * 1983-03-24 1985-03-28 Hydromatik GmbH, 7915 Elchingen Diaphragm seal
DE3323278C2 (en) * 1983-06-28 1986-05-22 Hydromatik GmbH, 7915 Elchingen Control device for several drive units consisting of hydrostatic gears
DE3340332C2 (en) * 1983-11-08 1988-11-10 Hydromatik GmbH, 7915 Elchingen Power control device for a hydrostatic drive with flow rate adjustment
DE3408105A1 (en) * 1984-03-05 1985-09-12 Hydromatik GmbH, 7915 Elchingen Summed-output regulating device for a hydrostatic system having at least two pumps or pump groups with variable volumetric flow rates and a common drive
DE4018700A1 (en) * 1990-06-11 1991-12-12 Linde Ag Output regulator for hydraulically controlled pump - uses second independent hydraulic circuit to produce counteracting control pressure
KR950013009B1 (en) * 1993-02-11 1995-10-24 대우중공업주식회사 Wobble plate pump

Also Published As

Publication number Publication date
EP0897062A2 (en) 1999-02-17
DE19735110A1 (en) 1999-02-25
DE19735110B4 (en) 2004-09-16
EP0897062A3 (en) 1999-12-01
EP0897062B1 (en) 2003-09-03

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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