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GB2274491B - Axial piston pump - Google Patents

Axial piston pump

Info

Publication number
GB2274491B
GB2274491B GB9301163A GB9301163A GB2274491B GB 2274491 B GB2274491 B GB 2274491B GB 9301163 A GB9301163 A GB 9301163A GB 9301163 A GB9301163 A GB 9301163A GB 2274491 B GB2274491 B GB 2274491B
Authority
GB
United Kingdom
Prior art keywords
piston pump
axial piston
axial
pump
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.)
Expired - Lifetime
Application number
GB9301163A
Other versions
GB9301163D0 (en
GB2274491A (en
Inventor
Chang Chun Du
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.)
Hamworthy Hydraulics Ltd
David Brown Hydraulics Ltd
Hamworthy Hydraulics Ltd
Original Assignee
Hamworthy Hydraulics Ltd
David Brown Hydraulics Ltd
Hamworthy Hydraulics 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 Hamworthy Hydraulics Ltd, David Brown Hydraulics Ltd, Hamworthy Hydraulics Ltd filed Critical Hamworthy Hydraulics Ltd
Priority to GB9301163A priority Critical patent/GB2274491B/en
Publication of GB9301163D0 publication Critical patent/GB9301163D0/en
Priority to DE69403819T priority patent/DE69403819D1/en
Priority to EP19940300461 priority patent/EP0608144B1/en
Publication of GB2274491A publication Critical patent/GB2274491A/en
Application granted granted Critical
Publication of GB2274491B publication Critical patent/GB2274491B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2021—Details or component parts characterised by the contact area between cylinder barrel and valve plate
    • F04B1/2028—Bearings
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2007—Arrangements for pressing the cylinder barrel against the valve plate, e.g. by fluid pressure
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2078—Swash plates
    • F04B1/2085—Bearings for swash plates or driving axles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Reciprocating Pumps (AREA)
GB9301163A 1993-01-21 1993-01-21 Axial piston pump Expired - Lifetime GB2274491B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9301163A GB2274491B (en) 1993-01-21 1993-01-21 Axial piston pump
DE69403819T DE69403819D1 (en) 1993-01-21 1994-01-21 Axial piston pump
EP19940300461 EP0608144B1 (en) 1993-01-21 1994-01-21 Axial piston pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9301163A GB2274491B (en) 1993-01-21 1993-01-21 Axial piston pump

Publications (3)

Publication Number Publication Date
GB9301163D0 GB9301163D0 (en) 1993-03-10
GB2274491A GB2274491A (en) 1994-07-27
GB2274491B true GB2274491B (en) 1996-09-04

Family

ID=10729077

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9301163A Expired - Lifetime GB2274491B (en) 1993-01-21 1993-01-21 Axial piston pump

Country Status (3)

Country Link
EP (1) EP0608144B1 (en)
DE (1) DE69403819D1 (en)
GB (1) GB2274491B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916037A (en) * 2018-10-23 2018-11-30 江苏恒立液压科技有限公司 Hydraulic planger pump with swash plate seat positioning device

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3154329B2 (en) * 1998-07-21 2001-04-09 川崎重工業株式会社 Axial piston pump
DE19953183C2 (en) * 1999-11-04 2001-12-06 Erich Scheugenpflug Microdispenser
WO2006023923A1 (en) * 2004-08-20 2006-03-02 R. Sanderson Management, Inc. An hydraulic device
WO2006130837A2 (en) * 2005-06-02 2006-12-07 Kmt Waterjet Systems, Inc. High pressure rotary pump
DE102005030485A1 (en) * 2005-06-28 2007-01-04 Framatome Anp Gmbh Pumping device for nuclear installations
EP1780410B1 (en) * 2005-10-26 2013-04-03 Poclain Hydraulics Variable displacement hydraulic machine having a swash plate
DE102006037690A1 (en) * 2006-08-11 2008-02-14 Robert Bosch Gmbh axial piston
EP2263017A2 (en) * 2008-04-01 2010-12-22 Purdue Research Foundation Axial sliding bearing and method of reducing power losses thereof
DE102012214830B4 (en) * 2012-08-21 2022-06-30 Robert Bosch Gmbh Hydrostatic axial piston machine with adjustable swash plate or swivel cradle and associated slide bearing with hydrostatic pressure field, whose edge contour design minimizes the leakage flow into the housing
EP2999885B1 (en) * 2013-05-22 2017-12-06 Hydac Drive Center GmbH Axial piston machine of swash plate type
DE102013221623A1 (en) * 2013-10-24 2015-04-30 Robert Bosch Gmbh axial piston
DE102017105610A1 (en) * 2017-03-16 2018-09-20 Volkswagen Aktiengesellschaft Axial piston motor and cycle device
KR102592519B1 (en) * 2021-07-28 2023-10-24 주식회사 모트롤 Seal cover and driving device having the same

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1084314A (en) *
GB1061223A (en) * 1963-06-07 1967-03-08 Lely Nv C Van Der Improvements in or relating to hydraulic reciprocable pumps and motors
GB1172875A (en) * 1966-03-26 1969-12-03 Jean Ulrich Thoma Improvements in or relating to Axial Piston Hydraulic Pumps, Motors and like Machines including Hydrostatic Bearings
US3793924A (en) * 1970-03-03 1974-02-26 K Eickmann Fluid-traversed flow piston unit
US3800673A (en) * 1971-09-09 1974-04-02 Bosch Gmbh Robert Wear equalizing arrangement for the valve plate of an axial piston machine
GB1387658A (en) * 1971-08-30 1975-03-19 Advanced Prod Pty Multi-cylinder hydraulic machines
GB1391985A (en) * 1972-04-11 1975-04-23 Eickmann K Fluid-handling machines

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2241701A (en) * 1937-05-26 1941-05-13 Waterbury Tool Co Power transmission
GB1026343A (en) * 1962-02-19 1966-04-20 Lucas Industries Ltd Hydraulic pumps and motors
DE1653565B1 (en) * 1967-06-16 1969-12-04 Und Eisengiesserei A Beien Mas Control device on a hydrostatic axial piston machine
DE6609071U (en) * 1967-07-13 1972-02-10 Linde Ag AXIAL PISTON MACHINE WITH ROTATING CYLINDER DRUM.
US3487788A (en) * 1969-02-25 1970-01-06 Jean Thoma Hydraulic unit
DE2101078A1 (en) * 1971-01-12 1972-08-03 Robert Bosch Gmbh, 7000 Stuttgart Axial piston machine
GB2134188B (en) * 1983-01-27 1986-09-10 Linde Ag An adjustable axial piston machine of the inclined swash plate type
JPS6165081A (en) * 1984-09-05 1986-04-03 Hitachi Ltd Fluid machine
JPS61144423A (en) * 1984-12-15 1986-07-02 Mitsubishi Heavy Ind Ltd Spiral groove thrust bearing
US4624175A (en) * 1985-08-28 1986-11-25 Wahlmark Gunnar A Quiet hydraulic apparatus
US4710107A (en) * 1986-04-15 1987-12-01 The Oilgear Company Swashblock lubrication in axial piston fluid displacement devices
DE3724285C2 (en) * 1987-07-22 1995-02-23 Linde Ag Adjustable swash plate type axial piston machine
JPH0440169U (en) * 1990-08-01 1992-04-06

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1084314A (en) *
GB1061223A (en) * 1963-06-07 1967-03-08 Lely Nv C Van Der Improvements in or relating to hydraulic reciprocable pumps and motors
GB1172875A (en) * 1966-03-26 1969-12-03 Jean Ulrich Thoma Improvements in or relating to Axial Piston Hydraulic Pumps, Motors and like Machines including Hydrostatic Bearings
US3793924A (en) * 1970-03-03 1974-02-26 K Eickmann Fluid-traversed flow piston unit
GB1387658A (en) * 1971-08-30 1975-03-19 Advanced Prod Pty Multi-cylinder hydraulic machines
US3800673A (en) * 1971-09-09 1974-04-02 Bosch Gmbh Robert Wear equalizing arrangement for the valve plate of an axial piston machine
GB1391985A (en) * 1972-04-11 1975-04-23 Eickmann K Fluid-handling machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916037A (en) * 2018-10-23 2018-11-30 江苏恒立液压科技有限公司 Hydraulic planger pump with swash plate seat positioning device

Also Published As

Publication number Publication date
EP0608144A3 (en) 1994-12-21
GB9301163D0 (en) 1993-03-10
GB2274491A (en) 1994-07-27
EP0608144A2 (en) 1994-07-27
DE69403819D1 (en) 1997-07-24
EP0608144B1 (en) 1997-06-18

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20130120