GB1333742A - Control systems for hydraulic pumps - Google Patents

Control systems for hydraulic pumps

Info

Publication number
GB1333742A
GB1333742A GB1333742DA GB1333742A GB 1333742 A GB1333742 A GB 1333742A GB 1333742D A GB1333742D A GB 1333742DA GB 1333742 A GB1333742 A GB 1333742A
Authority
GB
United Kingdom
Prior art keywords
pump
pressure
valve
output
controlled
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
Other languages
English (en)
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
Joseph Lucas Industries Ltd
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 Lucas Industries Ltd, Joseph Lucas Industries Ltd filed Critical Lucas Industries Ltd
Priority claimed from GB207472A external-priority patent/GB1313674A/en
Publication of GB1333742A publication Critical patent/GB1333742A/en
Expired 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
    • F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
    • 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)
  • Reciprocating Pumps (AREA)
  • Control Of Fluid Gearings (AREA)
GB1333742D 1970-01-15 1970-01-15 Control systems for hydraulic pumps Expired GB1333742A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB207472A GB1313674A (en) 1969-08-13 1970-01-15 Electromagnetic counters

Publications (1)

Publication Number Publication Date
GB1333742A true GB1333742A (en) 1973-10-17

Family

ID=9733132

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1333742D Expired GB1333742A (en) 1970-01-15 1970-01-15 Control systems for hydraulic pumps

Country Status (4)

Country Link
AU (1) AU2434071A (enExample)
DE (1) DE2101727A1 (enExample)
FR (1) FR2075605A5 (enExample)
GB (1) GB1333742A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4391182A (en) * 1980-07-29 1983-07-05 Jacob Kobelt Fluid actuated positioner

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034564A (en) * 1976-01-23 1977-07-12 Caterpillar Tractor Co. Piston pump assembly having load responsive controls
DE2603563C2 (de) * 1976-01-30 1986-02-20 Linde Ag, 6200 Wiesbaden Steuereinrichtung für ein aus mindestens zwei Pumpen bestehendes Pumpen-Aggregat
DD133698A1 (de) * 1977-11-28 1979-01-17 Stefan Hein Grenzlastregelung fuer hydrostatische antriebe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4391182A (en) * 1980-07-29 1983-07-05 Jacob Kobelt Fluid actuated positioner

Also Published As

Publication number Publication date
AU2434071A (en) 1972-07-20
DE2101727A1 (de) 1971-07-22
FR2075605A5 (enExample) 1971-10-08

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee