EP0608144A3 - Axial piston pump. - Google Patents

Axial piston pump. Download PDF

Info

Publication number
EP0608144A3
EP0608144A3 EP94300461A EP94300461A EP0608144A3 EP 0608144 A3 EP0608144 A3 EP 0608144A3 EP 94300461 A EP94300461 A EP 94300461A EP 94300461 A EP94300461 A EP 94300461A EP 0608144 A3 EP0608144 A3 EP 0608144A3
Authority
EP
European Patent Office
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.)
Granted
Application number
EP94300461A
Other languages
German (de)
French (fr)
Other versions
EP0608144A2 (en
EP0608144B1 (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.)
David Brown Hydraulics Ltd
Original Assignee
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 filed Critical Hamworthy Hydraulics Ltd
Publication of EP0608144A2 publication Critical patent/EP0608144A2/en
Publication of EP0608144A3 publication Critical patent/EP0608144A3/en
Application granted granted Critical
Publication of EP0608144B1 publication Critical patent/EP0608144B1/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
EP19940300461 1993-01-21 1994-01-21 Axial piston pump Expired - Lifetime EP0608144B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9301163 1993-01-21
GB9301163A GB2274491B (en) 1993-01-21 1993-01-21 Axial piston pump

Publications (3)

Publication Number Publication Date
EP0608144A2 EP0608144A2 (en) 1994-07-27
EP0608144A3 true EP0608144A3 (en) 1994-12-21
EP0608144B1 EP0608144B1 (en) 1997-06-18

Family

ID=10729077

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940300461 Expired - Lifetime EP0608144B1 (en) 1993-01-21 1994-01-21 Axial piston pump

Country Status (3)

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

Families Citing this family (14)

* 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
US20060120882A1 (en) * 2004-08-20 2006-06-08 Glenn Jordan Motor or pump assemblies
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
US9115748B2 (en) * 2008-04-01 2015-08-25 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
AU2014270792B2 (en) 2013-05-22 2017-08-31 Hydac Drive Center Gmbh Axial piston pump having a swash-plate type construction
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
CN108916037B (en) * 2018-10-23 2019-02-19 江苏恒立液压科技有限公司 Hydraulic planger pump with swash plate seat positioning device
KR102592519B1 (en) * 2021-07-28 2023-10-24 주식회사 모트롤 Seal cover and driving device having the same

Citations (14)

* 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
US3487788A (en) * 1969-02-25 1970-01-06 Jean Thoma Hydraulic unit
DE1528471A1 (en) * 1962-01-26 1970-01-29 Lely Nv C Van Der Swash plate axial piston machine
US3495542A (en) * 1967-07-13 1970-02-17 Linde Ag Pressure axial-piston machine with rotating drum under axial force generated by fluid
FR2124739A5 (en) * 1971-01-12 1972-09-22 Bosch
GB2134188A (en) * 1983-01-27 1984-08-08 Linde Ag An adjustable axial piston machine of the inclined swash plate type
EP0175206A1 (en) * 1984-09-05 1986-03-26 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
EP0241898A2 (en) * 1986-04-15 1987-10-21 The Oilgear Company Swashblock lubrication in axial piston fluid displacement devices
US4903577A (en) * 1987-07-22 1990-02-27 Linde Aktiengesellschaft Adjustable axial piston machine with a swash plate design
DE4125391A1 (en) * 1990-08-01 1992-02-06 Toyoda Automatic Loom Works AXIAL PISTON PUMP WITH A FIXED CONTROL DISC FOR THE FLOWING OF PISTONS

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1084314A (en) *
NL293826A (en) * 1963-06-07
CH448748A (en) * 1966-03-26 1967-12-15 Thoma Jean Ulrich Dipl Phys Et Device for supporting the cylinder block on the distributor of an axial piston machine
US3793924A (en) * 1970-03-03 1974-02-26 K Eickmann Fluid-traversed flow piston unit
DE2241204A1 (en) * 1971-08-30 1973-03-08 Advanced Prod Pty MULTI-CYLINDER HYDRAULIC MACHINE
DE2145056A1 (en) * 1971-09-09 1973-03-22 Bosch Gmbh Robert PISTON MACHINE
GB1391985A (en) * 1972-04-11 1975-04-23 Eickmann K Fluid-handling machines

Patent Citations (14)

* 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
DE1528471A1 (en) * 1962-01-26 1970-01-29 Lely Nv C Van Der Swash plate axial piston machine
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
US3495542A (en) * 1967-07-13 1970-02-17 Linde Ag Pressure axial-piston machine with rotating drum under axial force generated by fluid
US3487788A (en) * 1969-02-25 1970-01-06 Jean Thoma Hydraulic unit
FR2124739A5 (en) * 1971-01-12 1972-09-22 Bosch
GB2134188A (en) * 1983-01-27 1984-08-08 Linde Ag An adjustable axial piston machine of the inclined swash plate type
EP0175206A1 (en) * 1984-09-05 1986-03-26 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
EP0241898A2 (en) * 1986-04-15 1987-10-21 The Oilgear Company Swashblock lubrication in axial piston fluid displacement devices
US4903577A (en) * 1987-07-22 1990-02-27 Linde Aktiengesellschaft Adjustable axial piston machine with a swash plate design
DE4125391A1 (en) * 1990-08-01 1992-02-06 Toyoda Automatic Loom Works AXIAL PISTON PUMP WITH A FIXED CONTROL DISC FOR THE FLOWING OF PISTONS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 342 (M - 536)<2398> 19 November 1986 (1986-11-19) *

Also Published As

Publication number Publication date
GB2274491A (en) 1994-07-27
GB2274491B (en) 1996-09-04
DE69403819D1 (en) 1997-07-24
GB9301163D0 (en) 1993-03-10
EP0608144A2 (en) 1994-07-27
EP0608144B1 (en) 1997-06-18

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