DE602004017135D1 - HYDRAULIC DEVICE - Google Patents

HYDRAULIC DEVICE

Info

Publication number
DE602004017135D1
DE602004017135D1 DE602004017135T DE602004017135T DE602004017135D1 DE 602004017135 D1 DE602004017135 D1 DE 602004017135D1 DE 602004017135 T DE602004017135 T DE 602004017135T DE 602004017135 T DE602004017135 T DE 602004017135T DE 602004017135 D1 DE602004017135 D1 DE 602004017135D1
Authority
DE
Germany
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.)
Expired - Lifetime
Application number
DE602004017135T
Other languages
German (de)
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 DE602004017135D1 publication Critical patent/DE602004017135D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • F04B23/021—Pumping installations or systems having reservoirs the pump being immersed in the reservoir
    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • F04B23/025—Pumping installations or systems having reservoirs the pump being located directly adjacent the reservoir
    • F04B23/026—Pumping installations or systems having reservoirs the pump being located directly adjacent the reservoir a pump-side forming a wall of the reservoir
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/18—Combined units comprising both motor and pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/06—Details
    • F15B7/10—Compensation of the liquid content in a system

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Reciprocating Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
DE602004017135T 2003-03-03 2004-03-03 HYDRAULIC DEVICE Expired - Lifetime DE602004017135D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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 (1)

Publication Number Publication Date
DE602004017135D1 true DE602004017135D1 (en) 2008-11-27

Family

ID=32958691

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004017135T Expired - Lifetime DE602004017135D1 (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

Family Cites Families (10)

* 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
JPH1026101A (en) * 1996-07-10 1998-01-27 Opton Co Ltd Hydraulic pressure device
US20010023928A1 (en) * 2000-01-06 2001-09-27 Green David Kentfiled Electrohydraulic valve actuator
US6979185B2 (en) * 2000-08-01 2005-12-27 Kaempe Staffan I Bi-rotational pump/hydraulic actuator
FR2831226B1 (en) * 2001-10-24 2005-09-23 Snecma Moteurs AUTONOMOUS ELECTROHYDRAULIC ACTUATOR

Also Published As

Publication number Publication date
EP1600642A4 (en) 2007-07-04
EP1600642A1 (en) 2005-11-30
US20050175467A1 (en) 2005-08-11
EP1600642B1 (en) 2008-10-15
JP2004263806A (en) 2004-09-24
KR20050105971A (en) 2005-11-08
WO2004079205A1 (en) 2004-09-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition