GB1387491A - Variable displacement piston pumps or motors - Google Patents

Variable displacement piston pumps or motors

Info

Publication number
GB1387491A
GB1387491A GB1246972A GB1246972A GB1387491A GB 1387491 A GB1387491 A GB 1387491A GB 1246972 A GB1246972 A GB 1246972A GB 1246972 A GB1246972 A GB 1246972A GB 1387491 A GB1387491 A GB 1387491A
Authority
GB
United Kingdom
Prior art keywords
piston
pump
motors
displacement
force
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
GB1246972A
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.)
PepsiAmericas Inc
Original Assignee
Abex 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 Abex Corp filed Critical Abex Corp
Publication of GB1387491A publication Critical patent/GB1387491A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/0032—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F01B3/0044—Component parts, details, e.g. valves, sealings, lubrication
    • F01B3/0064—Machine housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/0032—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F01B3/0044—Component parts, details, e.g. valves, sealings, lubrication
    • F01B3/007—Swash plate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/10—Control of working-fluid admission or discharge peculiar thereto
    • F01B3/103—Control of working-fluid admission or discharge peculiar thereto for machines with rotary cylinder block
    • F01B3/106—Control of working-fluid admission or discharge peculiar thereto for machines with rotary cylinder block by changing the inclination of the swash plate
    • 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
    • F04B49/06—Control using electricity

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Hydraulic Motors (AREA)
GB1246972A 1971-03-29 1972-03-16 Variable displacement piston pumps or motors Expired GB1387491A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12873371A 1971-03-29 1971-03-29

Publications (1)

Publication Number Publication Date
GB1387491A true GB1387491A (en) 1975-03-19

Family

ID=22436706

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1246972A Expired GB1387491A (en) 1971-03-29 1972-03-16 Variable displacement piston pumps or motors

Country Status (4)

Country Link
US (1) US3733963A (de)
CA (1) CA969027A (de)
DE (1) DE2215891A1 (de)
GB (1) GB1387491A (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE406001B (sv) * 1972-10-23 1979-01-15 Ifield Richard J Kolvpump med variabel slagvolym
US3803987A (en) * 1972-11-14 1974-04-16 Abex Corp Servoactuated hydraulic transducer apparatus
US4056041A (en) * 1974-08-02 1977-11-01 Abex Corporation Control system for axial piston fluid energy translating device
NL7410532A (nl) * 1974-08-06 1976-02-10 Philips Nv Inrichting met tenminste drie heen- en weer- beweegbare zuigervormige lichamen.
US4145887A (en) * 1974-11-06 1979-03-27 U.S. Philips Corporation Swashplate compensation mechanism
DE2505778C2 (de) * 1975-02-12 1981-09-24 Robert Bosch Gmbh, 7000 Stuttgart Grenzlastregelventil für eine Verstellpumpe
DE2505779C2 (de) * 1975-02-12 1983-01-13 Robert Bosch Gmbh, 7000 Stuttgart Grenzlastregeleinrichtung für verstellbare Pumpen
US4248137A (en) * 1979-07-23 1981-02-03 Moog Inc. Feedback mechanism for variable displacement hydraulic device having an electrohydraulic controller
USRE31657E (en) * 1979-07-23 1984-09-04 Moog Inc. Feedback mechanism for variable displacement hydraulic device having an electrohydraulic controller
DE3942189C1 (de) * 1989-12-20 1991-09-05 Hydromatik Gmbh, 7915 Elchingen, De
US5279206A (en) * 1992-07-14 1994-01-18 Eaton Corporation Variable displacement hydrostatic device and neutral return mechanism therefor
DE19654567A1 (de) * 1996-12-27 1998-07-02 Mannesmann Rexroth Ag Hydraulischer Transformator
US5794515A (en) * 1997-04-03 1998-08-18 Bethke; Donald G. Swashplate control system for an axial piston pump
CA2260684C (en) * 1998-02-06 2004-06-01 Robert D. Backer Pump enable system and method
GB2342701A (en) * 1998-09-11 2000-04-19 Lucas Ind Plc Control of a variable displacement axial piston pump
US6158969A (en) * 1999-09-16 2000-12-12 Eaton Corporation Hydrostatic pump and disable control therefor
TW565652B (en) * 2002-12-13 2003-12-11 Ind Tech Res Inst Stirling engine with variable stroke
DE102005017240A1 (de) * 2005-04-14 2006-10-19 Alldos Eichler Gmbh Verfahren und Vorrichtung zur Überwachung eines mittels einer Pumpe geförderten Fluidstromes
US8096228B1 (en) * 2008-08-08 2012-01-17 Sauer-Danfoss Inc. Bent axis dual yoke hydromodule
CN102121486B (zh) * 2011-02-25 2013-04-10 广东工业大学 一种液压传动用节能高速开关阀
DE102011006102A1 (de) 2011-03-25 2012-09-27 Zf Friedrichshafen Ag Stellvorrichtung eines Hydrostatmoduls
CN104832412A (zh) * 2014-12-19 2015-08-12 北汽福田汽车股份有限公司 泵送排量控制方法、装置和系统
CN110541787B (zh) * 2019-08-29 2024-04-30 上海布拓传动系统设备有限公司 一种不改变马达径向尺寸且排量增倍的液压马达
US20230130997A1 (en) * 2021-10-22 2023-04-27 Hamilton Sundstrand Corporation Variable displacement pumps

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2709844A (en) 1952-04-04 1955-06-07 William H Channell Cable support
US2915985A (en) 1957-06-20 1959-12-08 New York Air Brake Co Pump
US3017864A (en) 1958-08-18 1962-01-23 American Brake Shoe Co Valve
US3089426A (en) 1958-09-17 1963-05-14 New York Air Brake Co Engine
GB906357A (en) 1960-01-04 1962-09-19 New York Air Brake Co Hydraulic engine
US3187509A (en) 1964-09-16 1965-06-08 Sundstrand Corp Hydrostatic transmission
DE1938135U (de) 1964-12-14 1966-05-12 Giulio Fresia Rotierende schneeraeumvorrichtung.
US3429225A (en) 1966-06-09 1969-02-25 Abex Corp Electrohydraulic displacement control with mechanical feedback
DE1949687U (de) 1966-09-02 1966-11-10 Dietrich Heinrich Dipl I Bauer Vorrichtung zur trichterlosen schlammentnahme aus klaerbecken.
US3381624A (en) 1966-09-09 1968-05-07 Abex Corp Fail-safe control for hydraulic cross-center pump
US3422767A (en) 1966-12-05 1969-01-21 Webster Electric Co Inc Variable displacement swashplate pumps
FR1590694A (de) 1968-09-20 1970-04-20
FR2061752B1 (de) 1969-09-17 1973-12-07 Abex Corp

Also Published As

Publication number Publication date
CA969027A (en) 1975-06-10
US3733963A (en) 1973-05-22
DE2215891A1 (de) 1972-10-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee