JPS5290803A - Piston pumps - Google Patents

Piston pumps

Info

Publication number
JPS5290803A
JPS5290803A JP12079876A JP12079876A JPS5290803A JP S5290803 A JPS5290803 A JP S5290803A JP 12079876 A JP12079876 A JP 12079876A JP 12079876 A JP12079876 A JP 12079876A JP S5290803 A JPS5290803 A JP S5290803A
Authority
JP
Japan
Prior art keywords
piston pumps
pumps
piston
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
JP12079876A
Other languages
English (en)
Inventor
Uiriamu Habigaa Shiriru
Rii Popukinsu Donarudo
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 JPS5290803A publication Critical patent/JPS5290803A/ja
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)
JP12079876A 1976-01-23 1976-10-07 Piston pumps Pending JPS5290803A (en)

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
JPS5290803A true JPS5290803A (en) 1977-07-30

Family

ID=24614641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12079876A Pending JPS5290803A (en) 1976-01-23 1976-10-07 Piston pumps

Country Status (8)

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

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

Family Cites Families (9)

* 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
JPS473927U (ja) * 1971-01-27 1972-09-07
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
GB1422938A (en) * 1972-01-14 1976-01-28 Sperry Rand Ltd Hydraulic valves
US3809501A (en) * 1973-01-08 1974-05-07 Gen Signal Corp Hydraulic load sensitive system
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

Also Published As

Publication number Publication date
BE850283A (nl) 1977-07-12
DE2648280A1 (de) 1977-07-28
BR7608392A (pt) 1977-12-06
GB1508948A (en) 1978-04-26
CA1039107A (en) 1978-09-26
US4028890A (en) 1977-06-14
FR2339074A1 (fr) 1977-08-19

Similar Documents

Publication Publication Date Title
JPS5314404A (en) Double cylinder pumps
JPS5336009A (en) Hydraulic pumps
JPS52140905A (en) Fuelltransfer pumps
JPS5327108A (en) Fuelltransfer pumps
JPS5331013A (en) Piston
JPS5474503A (en) Piston pump
JPS52140004A (en) Radial piston pumps
JPS52100603A (en) Axiallpiston pumps
JPS5634985A (en) Piston pump assembly
JPS5290803A (en) Piston pumps
JPS51145003A (en) Piston pumps
JPS539957A (en) Piston
GB2004017B (en) Piston pump
JPS5310102A (en) Valveeoperated radial piston pumps
JPS52126507A (en) Radial piston pumps
JPS5321317A (en) Piston
GB1540167A (en) Piston pumps or motors
GB1540870A (en) Hydraulic pumps
JPS5355502A (en) Double pumps
JPS5313203A (en) Reciprocating pumps
JPS5343209A (en) Reciprocating pumps
JPS52153206A (en) Diffuserrtype pumps
AU515795B2 (en) Piston pump
JPS5325904A (en) Swashhplate pumps
JPS5237204A (en) Piston pumps