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EP1030057A4 - Hydraulic pump or motor - Google Patents

Hydraulic pump or motor

Info

Publication number
EP1030057A4
EP1030057A4 EP98947948A EP98947948A EP1030057A4 EP 1030057 A4 EP1030057 A4 EP 1030057A4 EP 98947948 A EP98947948 A EP 98947948A EP 98947948 A EP98947948 A EP 98947948A EP 1030057 A4 EP1030057 A4 EP 1030057A4
Authority
EP
European Patent Office
Prior art keywords
motor
hydraulic pump
hydraulic
pump
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
EP98947948A
Other languages
German (de)
French (fr)
Other versions
EP1030057A1 (en
EP1030057B1 (en
Inventor
Eizou Urata
Kiyoshi Inoue
Takashi Teraoka
Takashi Itou
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.)
KYB Corp
Original Assignee
Kayaba Industry Co 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 Kayaba Industry Co Ltd filed Critical Kayaba Industry Co Ltd
Publication of EP1030057A1 publication Critical patent/EP1030057A1/en
Publication of EP1030057A4 publication Critical patent/EP1030057A4/en
Application granted granted Critical
Publication of EP1030057B1 publication Critical patent/EP1030057B1/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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/18—Lubricating
    • 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
    • F04B1/126—Piston shoe retaining 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
    • F04B1/22—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 having two or more sets of cylinders or pistons
    • F04B1/24—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 having two or more sets of cylinders or pistons inclined to the main shaft axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Hydraulic Motors (AREA)
EP98947948A 1997-10-20 1998-10-20 Hydraulic pump or motor Expired - Lifetime EP1030057B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP28696497A JP3894463B2 (en) 1997-10-20 1997-10-20 Axial piston pump or motor
JP28696497 1997-10-20
PCT/JP1998/004732 WO1999020899A1 (en) 1997-10-20 1998-10-20 Hydraulic pump or motor

Publications (3)

Publication Number Publication Date
EP1030057A1 EP1030057A1 (en) 2000-08-23
EP1030057A4 true EP1030057A4 (en) 2004-06-30
EP1030057B1 EP1030057B1 (en) 2007-08-15

Family

ID=17711242

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98947948A Expired - Lifetime EP1030057B1 (en) 1997-10-20 1998-10-20 Hydraulic pump or motor

Country Status (5)

Country Link
EP (1) EP1030057B1 (en)
JP (1) JP3894463B2 (en)
DE (1) DE69838260T2 (en)
DK (1) DK1030057T3 (en)
WO (1) WO1999020899A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007001794A1 (en) 2007-01-05 2008-07-10 Robert Bosch Gmbh Hydraulic piston machine
US8316995B2 (en) 2009-12-22 2012-11-27 Parker-Hannifin Corporation Hydraulic machine with oil dams
DE102012016061A1 (en) * 2012-08-14 2014-02-20 Robert Bosch Gmbh Housing unit for hydrostatic machine, particularly axial piston machine, comprises flange, which is arranged on body for flanging housing unit to another housing unit of hydrostatic machine and has recess configured to receive seal
CN103075316B (en) * 2012-12-24 2015-08-05 北京工业大学 Cylinder inner bearing supports semi-shaft type Water Hydraulic Axial Piston Pump
DE102017200244A1 (en) * 2017-01-10 2018-07-12 Robert Bosch Gmbh Hydrostatic axial piston motor in bent axis design
FR3063325B1 (en) * 2017-02-27 2019-03-29 Vianney Rabhi ARTICULATED HITCH FOR PISTON SEALING DEVICE
JP7420058B2 (en) * 2020-12-01 2024-01-23 株式会社島津製作所 Ball seat platen and material testing machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4855229U (en) * 1971-10-30 1973-07-16
JPS4868204U (en) * 1971-11-30 1973-08-30
JP3710174B2 (en) * 1994-09-30 2005-10-26 カヤバ工業株式会社 Axial piston pump / motor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO9920899A1 *

Also Published As

Publication number Publication date
DE69838260D1 (en) 2007-09-27
JPH11117856A (en) 1999-04-27
WO1999020899A1 (en) 1999-04-29
EP1030057A1 (en) 2000-08-23
EP1030057B1 (en) 2007-08-15
DE69838260T2 (en) 2007-12-20
DK1030057T3 (en) 2007-12-03
JP3894463B2 (en) 2007-03-22

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