DE69520501D1 - Hydraulische pumpeeinrichtung - Google Patents

Hydraulische pumpeeinrichtung

Info

Publication number
DE69520501D1
DE69520501D1 DE69520501T DE69520501T DE69520501D1 DE 69520501 D1 DE69520501 D1 DE 69520501D1 DE 69520501 T DE69520501 T DE 69520501T DE 69520501 T DE69520501 T DE 69520501T DE 69520501 D1 DE69520501 D1 DE 69520501D1
Authority
DE
Germany
Prior art keywords
pumping device
hydraulic pumping
hydraulic
pumping
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
DE69520501T
Other languages
English (en)
Other versions
DE69520501T2 (de
Inventor
Lars Martensen
Thorbol Hansen
Madsen Moller
Peter Jepsen
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.)
Danfoss AS
Original Assignee
Danfoss AS
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 Danfoss AS filed Critical Danfoss AS
Application granted granted Critical
Publication of DE69520501D1 publication Critical patent/DE69520501D1/de
Publication of DE69520501T2 publication Critical patent/DE69520501T2/de
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
    • F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
    • F04B1/124—Pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2203/00—Non-metallic inorganic materials
    • F05C2203/08—Ceramics; Oxides
    • F05C2203/0865—Oxide ceramics
    • F05C2203/0882—Carbon, e.g. graphite
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2253/00—Other material characteristics; Treatment of material
    • F05C2253/12—Coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
DE69520501T 1994-07-13 1995-06-30 Hydraulische pumpeeinrichtung Expired - Lifetime DE69520501T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/274,246 US5469776A (en) 1994-07-13 1994-07-13 Hydraulic pumping device
PCT/DK1995/000276 WO1996002755A1 (en) 1994-07-13 1995-06-30 Hydraulic pumping device

Publications (2)

Publication Number Publication Date
DE69520501D1 true DE69520501D1 (de) 2001-05-03
DE69520501T2 DE69520501T2 (de) 2001-10-18

Family

ID=23047419

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69520501T Expired - Lifetime DE69520501T2 (de) 1994-07-13 1995-06-30 Hydraulische pumpeeinrichtung

Country Status (4)

Country Link
US (1) US5469776A (de)
EP (1) EP0770181B1 (de)
DE (1) DE69520501T2 (de)
WO (1) WO1996002755A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69511872T2 (de) * 1994-07-08 2000-05-04 Danfoss A/S, Nordborg Kolben mit gleitschuh für hydraulischen kolbenmotor
DE4424671B4 (de) * 1994-07-13 2004-01-22 Danfoss A/S Steuerspiegel einer hydraulischen Maschine
US5724733A (en) * 1996-08-08 1998-03-10 Caterpillar Inc. Method of producing a piston assembly
FR2794507B1 (fr) * 1999-06-04 2001-07-13 Valeo Piston et dispositif de commande hydraulique d'un embrayage de vehicule automobile comportant un tel piston
US6318242B1 (en) * 1999-10-26 2001-11-20 Sauer-Danfoss Inc. Filled hydraulic piston and method of making the same
US6293185B1 (en) * 2000-02-28 2001-09-25 Sauer-Danfoss Inc. Piston for a hydrostatic cylinder block
US6732633B1 (en) * 2003-01-14 2004-05-11 Sauer-Danfoss Inc. Reduced dead volume hollow piston
DE10341791B4 (de) * 2003-09-10 2005-09-29 Brueninghaus Hydromatik Gmbh Hohlkolben für eine Kolbenmaschine und Verfahren zum Herstellen eines Hohlkolbens
DE102006057364B4 (de) * 2006-12-04 2011-08-25 Danfoss A/S Wasserhydraulische Maschine
DE102010033483A1 (de) 2010-08-05 2012-02-09 Schaeffler Technologies Gmbh & Co. Kg Kolbenmaschine mit wenigstens einem Kunststoffkolben
EP2466136A1 (de) * 2010-12-15 2012-06-20 Continental Automotive GmbH Kolben und Druckpumpe
DE102011010278A1 (de) * 2011-02-04 2012-08-09 Robert Bosch Gmbh Kolbenanordnung einer hydraulischen Kolbenmaschine und Verfahren zu ihrer Herstellung
DE102011108960A1 (de) * 2011-07-29 2013-01-31 Robert Bosch Gmbh Gleitschuh für einen Kolben einer hydraulischen Kolbenmaschine
US9073116B2 (en) * 2012-06-11 2015-07-07 National Oilwell Varco, L.P. Carbon foam metal matrix composite and mud pump employing same
CN102926987B (zh) * 2012-11-28 2016-05-04 无锡威孚精密机械制造有限责任公司 柱塞式液压泵用滑靴
CN104847648B (zh) * 2015-05-15 2017-08-08 武汉科技大学 一种柱塞式液压泵用低摩擦力织构型滑靴
CN109026582A (zh) * 2018-06-28 2018-12-18 潍柴动力股份有限公司 防偏磨柱塞滑靴组件、柱塞泵及柱塞马达
EP4239184B1 (de) 2022-03-02 2024-04-24 Danfoss A/S Kolben einer hydraulischen kolbenmaschine

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3183848A (en) * 1962-05-09 1965-05-18 Hydro Kinetics Inc Cartridge type pumping apparatus
DE1267985B (de) * 1964-06-06 1968-05-09 Bosch Gmbh Robert Laufbuchse fuer Kolbenpumpen
US3418942A (en) * 1966-10-13 1968-12-31 Avco Corp Contamination-resistant fuel pump with eccentrically located drive shaft
US3746476A (en) * 1971-04-01 1973-07-17 Applied Power Ind Inc Hydraulic pump
DE2118712A1 (de) * 1971-04-17 1972-11-16 Robert Bosch Gmbh, 7000 Stuttgart Kolben-Gleitschuh-Element für hydrostatische Kolbenmaschinen
JPS55161981A (en) * 1979-06-01 1980-12-16 Diesel Kiki Co Ltd Compressor with rotary swash plate
JPS5786580A (en) * 1980-11-19 1982-05-29 Toyoda Autom Loom Works Ltd Piston for swash plate type compressor
JPS6241980A (ja) * 1985-08-16 1987-02-23 Taiho Kogyo Co Ltd 斜板式コンプレツサ用シユ−
US4683803A (en) * 1986-01-13 1987-08-04 General Motors Corporation Swash plate compressor having integral shoe and ball
JP2692044B2 (ja) * 1988-11-02 1997-12-17 工業技術院長 水用ピストンポンプ
EP0512138B1 (de) * 1991-05-07 1994-08-24 Hauhinco Maschinenfabrik G. Hausherr, Jochums Gmbh & Co. Kg Hochdruckwasserpumpe für Reinwasser
FR2692440A1 (fr) * 1992-06-22 1993-12-24 Fradin Maurice Installation de traitement, de formage et de conditionnement de produits alimentaires comportant une vis amont d'évacuation de l'air.
DK83692D0 (da) * 1992-06-24 1992-06-24 Novo Nordisk As Forbindelser
AT397176B (de) * 1992-06-29 1994-02-25 Arigi Julius Stiftung Verfahren zur fruchtbarmachung und/oder verfestigung trockener, insbesondere sandiger und/oder felsiger böden

Also Published As

Publication number Publication date
US5469776A (en) 1995-11-28
EP0770181A1 (de) 1997-05-02
EP0770181B1 (de) 2001-03-28
DE69520501T2 (de) 2001-10-18
WO1996002755A1 (en) 1996-02-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: PATENTANWAELTE KNOBLAUCH UND KNOBLAUCH, 60322 FRANK