EP0608144A3 - Pompe à pistons axiaux. - Google Patents

Pompe à pistons axiaux. 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)
English (en)
Other versions
EP0608144B1 (fr
EP0608144A2 (fr
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/fr
Publication of EP0608144A3 publication Critical patent/EP0608144A3/fr
Application granted granted Critical
Publication of EP0608144B1 publication Critical patent/EP0608144B1/fr
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)
EP19940300461 1993-01-21 1994-01-21 Pompe à pistons axiaux Expired - Lifetime EP0608144B1 (fr)

Applications Claiming Priority (2)

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

Publications (3)

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

Family

ID=10729077

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940300461 Expired - Lifetime EP0608144B1 (fr) 1993-01-21 1994-01-21 Pompe à pistons axiaux

Country Status (3)

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

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3154329B2 (ja) * 1998-07-21 2001-04-09 川崎重工業株式会社 アキシャルピストンポンプ
DE19953183C2 (de) * 1999-11-04 2001-12-06 Erich Scheugenpflug Mikrodosierer
US20060120882A1 (en) * 2004-08-20 2006-06-08 Glenn Jordan Motor or pump assemblies
WO2006130837A2 (fr) * 2005-06-02 2006-12-07 Kmt Waterjet Systems, Inc. Pompe rotative haute pression
DE102005030485A1 (de) * 2005-06-28 2007-01-04 Framatome Anp Gmbh Pumpenvorrichtung für kerntechnische Anlagen
EP1780410B1 (fr) * 2005-10-26 2013-04-03 Poclain Hydraulics Machine hydraulique à déplacement variable avec plateau en biais
DE102006037690A1 (de) * 2006-08-11 2008-02-14 Robert Bosch Gmbh Axialkolbenmaschine
US9115748B2 (en) * 2008-04-01 2015-08-25 Purdue Research Foundation Axial sliding bearing and method of reducing power losses thereof
DE102012214830B4 (de) * 2012-08-21 2022-06-30 Robert Bosch Gmbh Hydrostatische Axialkolbenmaschine mit verstellbarer Schrägscheibe oder Schenkwiege und zugehörigem Gleitlager mit hydrostatischem Druckfeld, dessen Randkonturausbildung den Leckagestrom ins Gehäuse minimiert
CA2913062C (fr) * 2013-05-22 2020-06-02 Hydac Drive Center Gmbh Pompe a pistons axiaux de type a plateau inclinable
DE102013221623A1 (de) * 2013-10-24 2015-04-30 Robert Bosch Gmbh Axialkolbenmaschine
DE102017105610A1 (de) * 2017-03-16 2018-09-20 Volkswagen Aktiengesellschaft Axialkolbenmotor und Kreisprozessvorrichtung
CN108916037B (zh) * 2018-10-23 2019-02-19 江苏恒立液压科技有限公司 具有斜盘座定位装置的液压柱塞泵
KR102592519B1 (ko) * 2021-07-28 2023-10-24 주식회사 모트롤 씨일 커버 및 이를 포함하는 구동장치

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 (de) * 1967-06-16 1969-12-04 Und Eisengiesserei A Beien Mas Steuereinrichtung an einer hydrostatischen Axialkolbenmaschine
US3487788A (en) * 1969-02-25 1970-01-06 Jean Thoma Hydraulic unit
DE1528471A1 (de) * 1962-01-26 1970-01-29 Lely Nv C Van Der Schiefscheiben-Axialkolbenmaschine
US3495542A (en) * 1967-07-13 1970-02-17 Linde Ag Pressure axial-piston machine with rotating drum under axial force generated by fluid
FR2124739A5 (fr) * 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 (fr) * 1984-09-05 1986-03-26 Hitachi, Ltd. Machine à fluide
JPS61144423A (ja) * 1984-12-15 1986-07-02 Mitsubishi Heavy Ind Ltd スパイラルグル−ブスラスト軸受
US4624175A (en) * 1985-08-28 1986-11-25 Wahlmark Gunnar A Quiet hydraulic apparatus
EP0241898A2 (fr) * 1986-04-15 1987-10-21 The Oilgear Company Lubrification du plateau oscillant pour dispositif de déplacement de fluide à pistons axiaux
US4903577A (en) * 1987-07-22 1990-02-27 Linde Aktiengesellschaft Adjustable axial piston machine with a swash plate design
DE4125391A1 (de) * 1990-08-01 1992-02-06 Toyoda Automatic Loom Works Axialkolbenpumpe mit einer festen steuerscheibe fuer die hin- und herbewegung von kolben

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1084314A (fr) *
NL293826A (fr) * 1963-06-07
CH448748A (de) * 1966-03-26 1967-12-15 Thoma Jean Ulrich Dipl Phys Et Einrichtung zum Abstützen des Zylinderblockes auf dem Verteiler einer Axialkolbenmaschine
US3793924A (en) * 1970-03-03 1974-02-26 K Eickmann Fluid-traversed flow piston unit
DE2241204A1 (de) * 1971-08-30 1973-03-08 Advanced Prod Pty Vielzylindrige hydraulikmaschine
DE2145056A1 (de) * 1971-09-09 1973-03-22 Bosch Gmbh Robert Kolbenmaschine
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 (de) * 1962-01-26 1970-01-29 Lely Nv C Van Der Schiefscheiben-Axialkolbenmaschine
GB1026343A (en) * 1962-02-19 1966-04-20 Lucas Industries Ltd Hydraulic pumps and motors
DE1653565B1 (de) * 1967-06-16 1969-12-04 Und Eisengiesserei A Beien Mas Steuereinrichtung an einer hydrostatischen Axialkolbenmaschine
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 (fr) * 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 (fr) * 1984-09-05 1986-03-26 Hitachi, Ltd. Machine à fluide
JPS61144423A (ja) * 1984-12-15 1986-07-02 Mitsubishi Heavy Ind Ltd スパイラルグル−ブスラスト軸受
US4624175A (en) * 1985-08-28 1986-11-25 Wahlmark Gunnar A Quiet hydraulic apparatus
EP0241898A2 (fr) * 1986-04-15 1987-10-21 The Oilgear Company Lubrification du plateau oscillant pour dispositif de déplacement de fluide à pistons axiaux
US4903577A (en) * 1987-07-22 1990-02-27 Linde Aktiengesellschaft Adjustable axial piston machine with a swash plate design
DE4125391A1 (de) * 1990-08-01 1992-02-06 Toyoda Automatic Loom Works Axialkolbenpumpe mit einer festen steuerscheibe fuer die hin- und herbewegung von kolben

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
EP0608144B1 (fr) 1997-06-18
DE69403819D1 (de) 1997-07-24
GB9301163D0 (en) 1993-03-10
EP0608144A2 (fr) 1994-07-27

Similar Documents

Publication Publication Date Title
EP0648509A3 (fr) Pompe péristaltique.
GB2296296B (en) Piston pump
EP0679099A4 (fr) Ensemble pompe peristaltique.
HK1017047A1 (en) Piston pump
GB9610785D0 (en) Radial piston pump
EP0608144A3 (fr) Pompe à pistons axiaux.
GB9626789D0 (en) Axial plunger pump
EP0626684A3 (en) Hydrodynamic pump.
EP0817916A4 (fr) Pompe a pistons multiples
GB2302714B (en) Piston pump
EP0520286A3 (en) Radial piston pump
PH31521A (en) Pump housing assembly.
GB2275740B (en) Hydraulic pump
AU6413696A (en) Axial piston micropump
GB9504892D0 (en) Piston pump
GB9409277D0 (en) Hydraulic pump
GB2310256B (en) Radial piston pump
GB2284638B (en) An internal-geared pump
DK33493A (da) Stempelpumpe, isaer aksialstempelpumpe
GB2284022B (en) Pump assembly
GB2277558B (en) Hydraulic pump
GB9213216D0 (en) Radial piston pump
DE9320361U1 (de) Axialkolbenpumpe
PL300923A1 (en) Piston pump
ZA94876B (en) Reciprocating pump.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE DK FR IT SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE DK FR IT SE

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: DAVID BROWN HYDRAULICS LIMITED

17P Request for examination filed

Effective date: 19950620

17Q First examination report despatched

Effective date: 19951013

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE DK FR IT SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 19970618

Ref country code: FR

Effective date: 19970618

Ref country code: DK

Effective date: 19970618

REF Corresponds to:

Ref document number: 69403819

Country of ref document: DE

Date of ref document: 19970724

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19970918

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19970919

EN Fr: translation not filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed