DE3708940C2 - - Google Patents

Info

Publication number
DE3708940C2
DE3708940C2 DE19873708940 DE3708940A DE3708940C2 DE 3708940 C2 DE3708940 C2 DE 3708940C2 DE 19873708940 DE19873708940 DE 19873708940 DE 3708940 A DE3708940 A DE 3708940A DE 3708940 C2 DE3708940 C2 DE 3708940C2
Authority
DE
Germany
Prior art keywords
pump
pressure
line
check valve
output line
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
Application number
DE19873708940
Other languages
German (de)
English (en)
Other versions
DE3708940A1 (de
Inventor
Erwin Dipl.-Ing. 4282 Velen De Kremer
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.)
Anton Ruthmann & Co 4423 Gescher De GmbH
Original Assignee
Anton Ruthmann & Co 4423 Gescher De 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 Anton Ruthmann & Co 4423 Gescher De GmbH filed Critical Anton Ruthmann & Co 4423 Gescher De GmbH
Priority to DE19873708940 priority Critical patent/DE3708940A1/de
Publication of DE3708940A1 publication Critical patent/DE3708940A1/de
Application granted granted Critical
Publication of DE3708940C2 publication Critical patent/DE3708940C2/de
Granted 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • 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)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Fluid-Pressure Circuits (AREA)
DE19873708940 1987-03-20 1987-03-20 Hydraulikantrieb fuer hubarbeitsbuehnen oder dergleichen Granted DE3708940A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873708940 DE3708940A1 (de) 1987-03-20 1987-03-20 Hydraulikantrieb fuer hubarbeitsbuehnen oder dergleichen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873708940 DE3708940A1 (de) 1987-03-20 1987-03-20 Hydraulikantrieb fuer hubarbeitsbuehnen oder dergleichen

Publications (2)

Publication Number Publication Date
DE3708940A1 DE3708940A1 (de) 1988-10-06
DE3708940C2 true DE3708940C2 (enrdf_load_stackoverflow) 1989-12-07

Family

ID=6323460

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873708940 Granted DE3708940A1 (de) 1987-03-20 1987-03-20 Hydraulikantrieb fuer hubarbeitsbuehnen oder dergleichen

Country Status (1)

Country Link
DE (1) DE3708940A1 (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0041686B1 (en) * 1980-06-06 1986-04-09 Kawasaki Jukogyo Kabushiki Kaisha Hydraulic circuit arrangement
DE3200126A1 (de) * 1982-01-05 1983-07-14 Mannesmann Rexroth GmbH, 8770 Lohr Regeleinrichtung fuer eine verstellpumpe
DE3525097A1 (de) * 1985-03-15 1986-09-25 Mannesmann Rexroth GmbH, 8770 Lohr Hydrostatische maschine

Also Published As

Publication number Publication date
DE3708940A1 (de) 1988-10-06

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee