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AU5879794A - Hydraulic piston machine - Google Patents

Hydraulic piston machine

Info

Publication number
AU5879794A
AU5879794A AU58797/94A AU5879794A AU5879794A AU 5879794 A AU5879794 A AU 5879794A AU 58797/94 A AU58797/94 A AU 58797/94A AU 5879794 A AU5879794 A AU 5879794A AU 5879794 A AU5879794 A AU 5879794A
Authority
AU
Australia
Prior art keywords
hydraulic piston
piston machine
machine
hydraulic
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.)
Abandoned
Application number
AU58797/94A
Inventor
Hardy 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6478387&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU5879794(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Danfoss AS filed Critical Danfoss AS
Publication of AU5879794A publication Critical patent/AU5879794A/en
Abandoned 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
    • 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
    • F04B1/2042—Valves
    • 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
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/04—PTFE [PolyTetraFluorEthylene]
    • 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)
  • Fluid-Pressure Circuits (AREA)
  • Invalid Beds And Related Equipment (AREA)
AU58797/94A 1993-01-18 1994-01-06 Hydraulic piston machine Abandoned AU5879794A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4301135 1993-01-18
DE19934301135 DE4301135C2 (en) 1993-01-18 1993-01-18 Hydraulic piston machine
PCT/DK1994/000009 WO1994016220A1 (en) 1993-01-18 1994-01-06 Hydraulic piston machine

Publications (1)

Publication Number Publication Date
AU5879794A true AU5879794A (en) 1994-08-15

Family

ID=6478387

Family Applications (1)

Application Number Title Priority Date Filing Date
AU58797/94A Abandoned AU5879794A (en) 1993-01-18 1994-01-06 Hydraulic piston machine

Country Status (4)

Country Link
EP (1) EP0679227B1 (en)
AU (1) AU5879794A (en)
DE (1) DE4301135C2 (en)
WO (1) WO1994016220A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10200545A1 (en) * 2001-12-11 2003-06-26 Liebherr Machines Bulle S A Control plate for hydromotors and pumps of axial piston type has kidney-shaped low pressure and high pressure control apertures
EP3056730B1 (en) 2015-02-11 2020-05-20 Danfoss A/S Hydraulic device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585901A (en) * 1969-02-19 1971-06-22 Sundstrand Corp Hydraulic pump
US4550645A (en) * 1984-04-27 1985-11-05 Sundstrand Corporation Thin valve plate for a hydraulic unit
DE3725361A1 (en) * 1987-07-30 1989-02-16 Brueninghaus Hydraulik Gmbh AXIAL PISTON MACHINE IN TYPE DISC OR TYPE AXIS DESIGN WITH SLOT CONTROL AND PRESSURE COMPENSATION CHANNELS
DE4035748A1 (en) * 1989-11-09 1991-05-16 Vickers Systems Gmbh AXIAL PISTON PUMP FOR HIGH SPEED

Also Published As

Publication number Publication date
EP0679227A1 (en) 1995-11-02
DE4301135C2 (en) 1995-04-06
EP0679227B1 (en) 1997-04-16
WO1994016220A1 (en) 1994-07-21
DE4301135A1 (en) 1994-07-21

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