DE3883690D1 - Hydraulisches Antriebssystem. - Google Patents

Hydraulisches Antriebssystem.

Info

Publication number
DE3883690D1
DE3883690D1 DE88201352T DE3883690T DE3883690D1 DE 3883690 D1 DE3883690 D1 DE 3883690D1 DE 88201352 T DE88201352 T DE 88201352T DE 3883690 T DE3883690 T DE 3883690T DE 3883690 D1 DE3883690 D1 DE 3883690D1
Authority
DE
Germany
Prior art keywords
drive system
hydraulic drive
hydraulic
drive
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 - Fee Related
Application number
DE88201352T
Other languages
English (en)
Other versions
DE3883690T2 (de
Inventor
Toichi Hirata
Yusaku Nozawa
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of DE3883690D1 publication Critical patent/DE3883690D1/de
Application granted granted Critical
Publication of DE3883690T2 publication Critical patent/DE3883690T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0405—Valve members; Fluid interconnections therefor for seat valves, i.e. poppet valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87193—Pilot-actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
DE88201352T 1987-10-05 1988-06-29 Hydraulisches Antriebssystem. Expired - Fee Related DE3883690T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24990087 1987-10-05

Publications (2)

Publication Number Publication Date
DE3883690D1 true DE3883690D1 (de) 1993-10-07
DE3883690T2 DE3883690T2 (de) 1994-03-17

Family

ID=17199881

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88201352T Expired - Fee Related DE3883690T2 (de) 1987-10-05 1988-06-29 Hydraulisches Antriebssystem.

Country Status (3)

Country Link
US (1) US4938022A (de)
EP (1) EP0312130B1 (de)
DE (1) DE3883690T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920006546B1 (ko) * 1988-03-23 1992-08-08 히다찌 겐끼 가부시기가이샤 유압구동장치
DE4026574C2 (de) * 1989-08-24 1997-04-30 Smc Corp Verfahren und Vorrichtung zur Vorhersage eines Fehlverhaltens in einem Fluiddrucksystem
US5067389A (en) * 1990-08-30 1991-11-26 Caterpillar Inc. Load check and pressure compensating valve
DE19639772C1 (de) * 1996-09-27 1998-04-02 Orenstein & Koppel Ag Load-Sensing-Hydraulikkreis einer mobilhydraulischen Bau- und Arbeitsmaschine
US6360538B1 (en) 1999-07-27 2002-03-26 Caterpillar Inc. Method and an apparatus for an electro-hydraulic system on a work machine
US6173572B1 (en) 1999-09-23 2001-01-16 Caterpillar Inc. Method and apparatus for controlling a bypass valve of a fluid circuit
US20060096645A1 (en) * 2004-11-09 2006-05-11 Morten Halvorsen System for direct electrically operated hydraulic control valve
DE102004061555A1 (de) * 2004-12-21 2006-06-22 Bosch Rexroth Aktiengesellschaft Hydraulische Steueranordnung
GB0722669D0 (en) * 2007-11-20 2007-12-27 Goodrich Control Sys Ltd Fuel staging system
CH705150A1 (de) * 2011-06-30 2012-12-31 Liebherr Machines Bulle Sa Ventilanordnung für ein hydraulisches Steuerungssystem.
US9523438B2 (en) * 2013-03-14 2016-12-20 Eaton Corporation Solenoid valve assembly with pilot pressure control
US10508964B2 (en) 2013-03-14 2019-12-17 Eaton Intelligent Power Limited Solenoid valve assembly with pilot pressure control
CN104019075B (zh) * 2014-06-05 2016-01-20 常德中联重科液压有限公司 平衡阀的测试***
CN105547670B (zh) * 2015-12-14 2017-11-21 徐州徐工液压件有限公司 一种平衡阀入厂检验装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2565242A (en) * 1945-06-18 1951-08-21 Vickers Inc Flow-control circuit
US3340897A (en) * 1965-05-07 1967-09-12 Ohio Brass Co Fluid control mechanism
US3608435A (en) * 1969-06-30 1971-09-28 Parker Hannifin Corp Pressure controlled directional system
FR2298754A1 (fr) * 1975-06-03 1976-08-20 Poclain Sa Clapet pilote a ouverture commandee
US4383412A (en) * 1979-10-17 1983-05-17 Cross Manufacturing, Inc. Multiple pump load sensing system
US4362018A (en) * 1980-06-12 1982-12-07 Kobe Steel, Ltd. Hydraulic rotation control circuit
DE3044144A1 (de) * 1980-11-24 1982-09-09 Linde Ag, 6200 Wiesbaden Hydrostatisches antriebssystem mit einer einstellbaren pumpe und mehreren verbrauchern
SE439342C (sv) * 1981-09-28 1996-11-18 Bo Reiner Andersson Ventilanordning för styrning av en linjär eller roterande hydraulmotor
JPS5917074A (ja) * 1982-07-16 1984-01-28 Hitachi Constr Mach Co Ltd ロジツク弁
DE3321483A1 (de) * 1983-06-14 1984-12-20 Linde Ag, 6200 Wiesbaden Hydraulische einrichtung mit einer pumpe und mindestens zwei von dieser beaufschlagten verbrauchern hydraulischer energie
JPS60222601A (ja) * 1984-04-20 1985-11-07 Komatsu Ltd 油圧制御装置
JPS60250131A (ja) * 1984-05-25 1985-12-10 Kayaba Ind Co Ltd 油圧制御回路
EP0235545B1 (de) * 1986-01-25 1990-09-12 Hitachi Construction Machinery Co., Ltd. Hydraulisches Antriebssystem
IT1195178B (it) * 1986-09-24 1988-10-12 Chs Vickers Spa Sistema di recupero di portata per circuiti idraulici con pompe e di stributori compensati in pressione per organi di lavoro di macchine movimento terra
US4712376A (en) * 1986-10-22 1987-12-15 Caterpillar Inc. Proportional valve control apparatus for fluid systems

Also Published As

Publication number Publication date
EP0312130A1 (de) 1989-04-19
DE3883690T2 (de) 1994-03-17
US4938022A (en) 1990-07-03
EP0312130B1 (de) 1993-09-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee