DE3043436A1 - Verbesserungen bezueglich der steuerflaechen von hydraulischen pumpen und motoren - Google Patents

Verbesserungen bezueglich der steuerflaechen von hydraulischen pumpen und motoren

Info

Publication number
DE3043436A1
DE3043436A1 DE19803043436 DE3043436A DE3043436A1 DE 3043436 A1 DE3043436 A1 DE 3043436A1 DE 19803043436 DE19803043436 DE 19803043436 DE 3043436 A DE3043436 A DE 3043436A DE 3043436 A1 DE3043436 A1 DE 3043436A1
Authority
DE
Germany
Prior art keywords
control surface
hydraulic pump
cylinder
motor according
passages
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
DE19803043436
Other languages
German (de)
English (en)
Inventor
Kenneth John Dural Neusüdwales Ifield
Richard Joseph Beecroft Neusüdwales Ifield
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.)
Ifield Engineering Pty Ltd
Original Assignee
Ifield Engineering Pty 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 Ifield Engineering Pty Ltd filed Critical Ifield Engineering Pty Ltd
Publication of DE3043436A1 publication Critical patent/DE3043436A1/de
Granted 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
    • F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Motors (AREA)
  • Reciprocating Pumps (AREA)
DE19803043436 1979-11-21 1980-11-18 Verbesserungen bezueglich der steuerflaechen von hydraulischen pumpen und motoren Granted DE3043436A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU64082/80A AU536164B2 (en) 1979-11-21 1979-11-21 Hydraulic pump or motor
AUPE142779 1979-11-21

Publications (1)

Publication Number Publication Date
DE3043436A1 true DE3043436A1 (de) 1981-06-04

Family

ID=25634205

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803043436 Granted DE3043436A1 (de) 1979-11-21 1980-11-18 Verbesserungen bezueglich der steuerflaechen von hydraulischen pumpen und motoren

Country Status (6)

Country Link
JP (1) JPS5696180A (ja)
AU (1) AU536164B2 (ja)
CA (1) CA1155004A (ja)
DE (1) DE3043436A1 (ja)
FR (1) FR2470265B1 (ja)
GB (1) GB2064673B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4126640A1 (de) * 1991-08-12 1993-03-04 Rexroth Mannesmann Gmbh Pumpenanordnung mit pumpen-hauptstufe und vorgeschalteter vorfoerderpumpe
US9194381B2 (en) 2012-04-13 2015-11-24 Komatsu Ltd. Bent axis type axial piston pump/motor

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123093B (en) * 1982-06-03 1985-10-23 Ifield Eng Pty Hydraulic pumps
JPS60141487U (ja) * 1984-02-29 1985-09-19 株式会社島津製作所 ピストンポンプまたはモ−タ
JPS60141486U (ja) * 1984-02-29 1985-09-19 株式会社島津製作所 ピストンポンプまたはモ−タ
US4532855A (en) * 1984-04-04 1985-08-06 Stirling Thermal Motors, Inc. Two-part drive shaft for thermal engine
JPS6257779U (ja) * 1985-09-30 1987-04-10
JPS6360080U (ja) * 1986-10-03 1988-04-21
DE3721698A1 (de) * 1987-07-01 1989-01-19 Hauhinco Maschf Radialkolbenpumpe fuer die foerderung von wasser
US5143384A (en) * 1989-04-14 1992-09-01 Eg&G Sealol, Inc. Bi-directional, non-contact face seal
GB2231105B (en) * 1989-04-24 1993-04-14 Sealol Drained face seal
JP4540750B1 (ja) * 2010-06-01 2010-09-08 株式会社小坂研究所 サブマージドポンプ駆動用オイルモータの冷却機構

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249061A (en) * 1963-07-01 1966-05-03 Sundstrand Corp Pump or motor device
GB1141705A (en) * 1965-04-30 1969-01-29 Int Harvester Co Hydraulic axial piston pump, motor or transmission lubrication structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1266155A (ja) * 1968-07-05 1972-03-08
US3633463A (en) * 1968-12-25 1972-01-11 Komatsu Mfg Co Ltd Plunger pump or motor
DE2241204A1 (de) * 1971-08-30 1973-03-08 Advanced Prod Pty Vielzylindrige hydraulikmaschine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249061A (en) * 1963-07-01 1966-05-03 Sundstrand Corp Pump or motor device
GB1141705A (en) * 1965-04-30 1969-01-29 Int Harvester Co Hydraulic axial piston pump, motor or transmission lubrication structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4126640A1 (de) * 1991-08-12 1993-03-04 Rexroth Mannesmann Gmbh Pumpenanordnung mit pumpen-hauptstufe und vorgeschalteter vorfoerderpumpe
DE4126640B4 (de) * 1991-08-12 2005-06-16 Robert Bosch Gmbh Pumpenanordnung mit einer Vorförderpumpe und einer Radialkolbenpumpe
US9194381B2 (en) 2012-04-13 2015-11-24 Komatsu Ltd. Bent axis type axial piston pump/motor
DE112012000086B4 (de) * 2012-04-13 2017-11-09 Komatsu Ltd. Axialkolbenpumpe/-Motor mit geneigter Achse

Also Published As

Publication number Publication date
GB2064673A (en) 1981-06-17
FR2470265B1 (fr) 1987-03-20
FR2470265A1 (fr) 1981-05-29
AU536164B2 (en) 1984-04-19
AU6408280A (en) 1981-05-28
JPH0134305B2 (ja) 1989-07-18
JPS5696180A (en) 1981-08-04
GB2064673B (en) 1983-07-20
CA1155004A (en) 1983-10-11

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee