EP1600642A4 - Hydraulic device - Google Patents

Hydraulic device

Info

Publication number
EP1600642A4
EP1600642A4 EP04716722A EP04716722A EP1600642A4 EP 1600642 A4 EP1600642 A4 EP 1600642A4 EP 04716722 A EP04716722 A EP 04716722A EP 04716722 A EP04716722 A EP 04716722A EP 1600642 A4 EP1600642 A4 EP 1600642A4
Authority
EP
European Patent Office
Prior art keywords
hydraulic device
hydraulic
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
EP04716722A
Other languages
German (de)
French (fr)
Other versions
EP1600642B1 (en
EP1600642A1 (en
Inventor
Teruaki Yogo
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.)
Opton Co Ltd
Original Assignee
Opton 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 Opton Co Ltd filed Critical Opton Co Ltd
Publication of EP1600642A1 publication Critical patent/EP1600642A1/en
Publication of EP1600642A4 publication Critical patent/EP1600642A4/en
Application granted granted Critical
Publication of EP1600642B1 publication Critical patent/EP1600642B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00Pumping installations or systems
    • F04B23/02Pumping installations or systems having reservoirs
    • F04B23/021Pumping installations or systems having reservoirs the pump being immersed in the reservoir
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00Pumping installations or systems
    • F04B23/02Pumping installations or systems having reservoirs
    • F04B23/025Pumping installations or systems having reservoirs the pump being located directly adjacent the reservoir
    • F04B23/026Pumping installations or systems having reservoirs the pump being located directly adjacent the reservoir a pump-side forming a wall of the reservoir
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/18Combined units comprising both motor and pump
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/06Details
    • F15B7/10Compensation of the liquid content in a system
EP04716722A 2003-03-03 2004-03-03 Hydraulic device Expired - Fee Related EP1600642B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2003056258 2003-03-03
JP2003056258A JP2004263806A (en) 2003-03-03 2003-03-03 Hydraulic apparatus
PCT/JP2004/002660 WO2004079205A1 (en) 2003-03-03 2004-03-03 Hydraulic device

Publications (3)

Publication Number Publication Date
EP1600642A1 EP1600642A1 (en) 2005-11-30
EP1600642A4 true EP1600642A4 (en) 2007-07-04
EP1600642B1 EP1600642B1 (en) 2008-10-15

Family

ID=32958691

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04716722A Expired - Fee Related EP1600642B1 (en) 2003-03-03 2004-03-03 Hydraulic device

Country Status (6)

Country Link
US (1) US20050175467A1 (en)
EP (1) EP1600642B1 (en)
JP (1) JP2004263806A (en)
KR (1) KR20050105971A (en)
DE (1) DE602004017135D1 (en)
WO (1) WO2004079205A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4317862B2 (en) 2006-09-15 2009-08-19 三菱重工業株式会社 Track system
CN102454647A (en) * 2010-10-20 2012-05-16 住友重机械工业株式会社 Injection molding machine and hydraulic actuator
US10871174B2 (en) 2015-10-23 2020-12-22 Aol Prime mover system and methods utilizing balanced flow within bi-directional power units
EP3884170A4 (en) * 2018-11-21 2022-06-08 AOI (Advanced Oilfield Innovations, Dba A.O. International II, Inc.) Prime mover system and methods utilizing balanced fluid flow
DE102019215975A1 (en) * 2019-10-17 2021-04-22 Deere & Company Hydraulic arrangement

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1026101A (en) * 1996-07-10 1998-01-27 Opton Co Ltd Hydraulic pressure device
GB2359871A (en) * 2000-01-06 2001-09-05 Baker Hughes Inc Electrohydraulic valve actuator
US20020127126A1 (en) * 2000-08-01 2002-09-12 Kaempe Staffan I. Bi-rotational pump/hydraulic actuator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2457467A (en) * 1945-03-08 1948-12-28 Cons Vultee Aircraft Corp Electrically and hydraulically operated extensible strut
JPS61294201A (en) * 1985-06-24 1986-12-25 Matsushita Electric Ind Co Ltd Hydraulic unit
JPS63150102U (en) * 1987-03-23 1988-10-03
JPS63176880A (en) * 1988-01-12 1988-07-21 Ogura:Kk Hydraulic actuator
US5144801A (en) * 1989-04-28 1992-09-08 Parker Hannifin Corporation Electro-hydraulic actuator system
JPH0960607A (en) * 1995-08-23 1997-03-04 Opton Co Ltd Hydraulic driving device
FR2831226B1 (en) * 2001-10-24 2005-09-23 Snecma Moteurs AUTONOMOUS ELECTROHYDRAULIC ACTUATOR

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1026101A (en) * 1996-07-10 1998-01-27 Opton Co Ltd Hydraulic pressure device
GB2359871A (en) * 2000-01-06 2001-09-05 Baker Hughes Inc Electrohydraulic valve actuator
US20020127126A1 (en) * 2000-08-01 2002-09-12 Kaempe Staffan I. Bi-rotational pump/hydraulic actuator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2004079205A1 *

Also Published As

Publication number Publication date
JP2004263806A (en) 2004-09-24
DE602004017135D1 (en) 2008-11-27
WO2004079205A1 (en) 2004-09-16
EP1600642B1 (en) 2008-10-15
EP1600642A1 (en) 2005-11-30
KR20050105971A (en) 2005-11-08
US20050175467A1 (en) 2005-08-11

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