GB1242239A - Improvements in pumps - Google Patents

Improvements in pumps

Info

Publication number
GB1242239A
GB1242239A GB57193/68A GB5719368A GB1242239A GB 1242239 A GB1242239 A GB 1242239A GB 57193/68 A GB57193/68 A GB 57193/68A GB 5719368 A GB5719368 A GB 5719368A GB 1242239 A GB1242239 A GB 1242239A
Authority
GB
United Kingdom
Prior art keywords
line
pump
spool
piston
pressure
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
GB57193/68A
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.)
Unisys Corp
Original Assignee
Sperry Rand Corp
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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of GB1242239A publication Critical patent/GB1242239A/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
    • F04B49/08—Regulating by delivery pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Hydraulic Motors (AREA)
GB57193/68A 1967-12-04 1968-12-03 Improvements in pumps Expired GB1242239A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE16593/67A SE323286B (enExample) 1967-12-04 1967-12-04

Publications (1)

Publication Number Publication Date
GB1242239A true GB1242239A (en) 1971-08-11

Family

ID=20302489

Family Applications (1)

Application Number Title Priority Date Filing Date
GB57193/68A Expired GB1242239A (en) 1967-12-04 1968-12-03 Improvements in pumps

Country Status (4)

Country Link
US (1) US3554093A (enExample)
DE (1) DE1812682C3 (enExample)
GB (1) GB1242239A (enExample)
SE (1) SE323286B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985469A (en) * 1973-09-20 1976-10-12 Tokyo Keiki Co., Ltd. Output control device for a hydraulic pump of the variable displacement type
US4072442A (en) * 1975-07-04 1978-02-07 Takeshi Horiuchi Variable delivery hydraulic pump
US4157233A (en) * 1975-07-04 1979-06-05 Daikin Kogyo Co., Ltd. Variable delivery hydraulic pump

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941513A (en) * 1974-09-05 1976-03-02 Parker-Hannifin Corporation Variable displacement pump control assembly
US3945764A (en) * 1974-09-05 1976-03-23 Parker-Hannifin Corporation Variable displacement pump control assembly
US4175914A (en) * 1977-05-31 1979-11-27 The Cessna Aircraft Company Hydraulic stop
US4296678A (en) * 1979-02-12 1981-10-27 Felder Donald W Polish rod jack system
FR2552187B1 (fr) * 1983-09-20 1987-08-28 Linde Ag Dispositif de commande ou de regulation pour une transmission hydraulique
IN166532B (enExample) * 1985-12-13 1990-05-26 Vickers Inc
CN120120212B (zh) * 2025-05-14 2025-07-11 中国航空工业集团公司金城南京机电液压工程研究中心 一种恒功率调节集成式液压泵

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2283321A (en) * 1937-04-15 1942-05-19 Waterbury Tool Co Power transmission
US2903852A (en) * 1956-10-29 1959-09-15 Lucas Industries Ltd Control means for road vehicle hydraulic power transmission systems

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985469A (en) * 1973-09-20 1976-10-12 Tokyo Keiki Co., Ltd. Output control device for a hydraulic pump of the variable displacement type
US4072442A (en) * 1975-07-04 1978-02-07 Takeshi Horiuchi Variable delivery hydraulic pump
US4157233A (en) * 1975-07-04 1979-06-05 Daikin Kogyo Co., Ltd. Variable delivery hydraulic pump
USRE31711E (en) * 1975-07-04 1984-10-23 Daikin Kogyo Co., Ltd. Variable delivery hydraulic pump

Also Published As

Publication number Publication date
DE1812682B2 (de) 1974-08-01
SE323286B (enExample) 1970-04-27
US3554093A (en) 1971-01-12
DE1812682C3 (de) 1975-03-27
DE1812682A1 (de) 1969-07-03

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