FR2339074A1 - Pompe a piston - Google Patents

Pompe a piston

Info

Publication number
FR2339074A1
FR2339074A1 FR7631012A FR7631012A FR2339074A1 FR 2339074 A1 FR2339074 A1 FR 2339074A1 FR 7631012 A FR7631012 A FR 7631012A FR 7631012 A FR7631012 A FR 7631012A FR 2339074 A1 FR2339074 A1 FR 2339074A1
Authority
FR
France
Prior art keywords
piston pump
piston
pump
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.)
Pending
Application number
FR7631012A
Other languages
English (en)
Inventor
Cyril William Habiger
Donald Lee Hopkins
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of FR2339074A1 publication Critical patent/FR2339074A1/fr
Pending 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
FR7631012A 1976-01-23 1976-10-15 Pompe a piston Pending FR2339074A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/651,887 US4028890A (en) 1976-01-23 1976-01-23 Piston pump assembly utilizing load pressure control

Publications (1)

Publication Number Publication Date
FR2339074A1 true FR2339074A1 (fr) 1977-08-19

Family

ID=24614641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7631012A Pending FR2339074A1 (fr) 1976-01-23 1976-10-15 Pompe a piston

Country Status (8)

Country Link
US (1) US4028890A (fr)
JP (1) JPS5290803A (fr)
BE (1) BE850283A (fr)
BR (1) BR7608392A (fr)
CA (1) CA1039107A (fr)
DE (1) DE2648280A1 (fr)
FR (1) FR2339074A1 (fr)
GB (1) GB1508948A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4116587A (en) * 1977-10-12 1978-09-26 Caterpillar Tractor Co. Load plus differential pressure compensator pump control assembly
US4124333A (en) * 1977-10-12 1978-11-07 Caterpillar Tractor Co. Externally adjustable load plus pump control assembly
US4196588A (en) * 1978-05-01 1980-04-08 Caterpillar Tractor Co. Margin valve
US4366672A (en) * 1979-02-02 1983-01-04 Parker-Hannifin Corporation Pilot operated hydraulic device
GB2042691B (en) * 1979-02-12 1983-07-20 Lely Nv C Van Der Motor vehicles for towing implements
US4373864A (en) * 1980-03-06 1983-02-15 Cng Research Company System for pumping fluids at constant pressure
US4815289A (en) * 1983-06-24 1989-03-28 Sundstrand Corporation Variable pressure control
DE3412871A1 (de) * 1984-04-05 1985-10-17 Linde Ag, 6200 Wiesbaden Steuereinrichtung fuer ein antriebsaggregat
KR100212645B1 (ko) * 1994-09-30 1999-08-02 토니헬샴 유압펌프의 토출유량 제어장치
US5560203A (en) * 1995-03-23 1996-10-01 Sauer Inc. Transmission control system and method
US9103339B2 (en) 2011-02-28 2015-08-11 James H. Gammon Piston pump
CN111911381B (zh) * 2020-07-26 2022-12-06 中国航发贵州红林航空动力控制科技有限公司 一种带阻尼活塞的喷口压差活门机构

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892312A (en) * 1958-01-27 1959-06-30 Deere & Co Demand compensated hydraulic system
US2936588A (en) * 1958-01-20 1960-05-17 Deere & Co Hydraulic pump and motor apparatus with load responsive pump regulating means
US3738111A (en) * 1971-11-11 1973-06-12 Deere & Co Variable displacement pump control system
US3742982A (en) * 1971-07-26 1973-07-03 Borg Warner Control valve
FR2168049A1 (fr) * 1972-01-14 1973-08-24 Sperry Rand Corp
US3809501A (en) * 1973-01-08 1974-05-07 Gen Signal Corp Hydraulic load sensitive system
US3830594A (en) * 1971-06-28 1974-08-20 Caterpillar Tractor Co Variable displacement pump having pressure compensator control method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS473927U (fr) * 1971-01-27 1972-09-07
US3861145A (en) * 1973-10-01 1975-01-21 Caterpillar Tractor Co Multiple hydraulic control circuits with pressure compensated flow control and a single variable delivery pump

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936588A (en) * 1958-01-20 1960-05-17 Deere & Co Hydraulic pump and motor apparatus with load responsive pump regulating means
US2892312A (en) * 1958-01-27 1959-06-30 Deere & Co Demand compensated hydraulic system
US3830594A (en) * 1971-06-28 1974-08-20 Caterpillar Tractor Co Variable displacement pump having pressure compensator control method
US3742982A (en) * 1971-07-26 1973-07-03 Borg Warner Control valve
US3738111A (en) * 1971-11-11 1973-06-12 Deere & Co Variable displacement pump control system
FR2168049A1 (fr) * 1972-01-14 1973-08-24 Sperry Rand Corp
US3809501A (en) * 1973-01-08 1974-05-07 Gen Signal Corp Hydraulic load sensitive system

Also Published As

Publication number Publication date
US4028890A (en) 1977-06-14
BR7608392A (pt) 1977-12-06
GB1508948A (en) 1978-04-26
BE850283A (nl) 1977-07-12
CA1039107A (fr) 1978-09-26
JPS5290803A (en) 1977-07-30
DE2648280A1 (de) 1977-07-28

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