DE69110319D1 - Hydraulisch angetriebenes System. - Google Patents

Hydraulisch angetriebenes System.

Info

Publication number
DE69110319D1
DE69110319D1 DE69110319T DE69110319T DE69110319D1 DE 69110319 D1 DE69110319 D1 DE 69110319D1 DE 69110319 T DE69110319 T DE 69110319T DE 69110319 T DE69110319 T DE 69110319T DE 69110319 D1 DE69110319 D1 DE 69110319D1
Authority
DE
Germany
Prior art keywords
hydraulically driven
driven system
hydraulically
driven
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
DE69110319T
Other languages
English (en)
Other versions
DE69110319T2 (de
Inventor
Toichi Hirata
Hideaki Tanaka
Kazunori Nakamura
Hideshi Koiwai
Yoneaki Takahashi
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
KYB Corp
Original Assignee
Hitachi Construction Machinery Co Ltd
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 Hitachi Construction Machinery Co Ltd, Kayaba Industry Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Application granted granted Critical
Publication of DE69110319D1 publication Critical patent/DE69110319D1/de
Publication of DE69110319T2 publication Critical patent/DE69110319T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/16—Special measures for feedback, e.g. by a follow-up device
    • 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
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • 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
    • Y10T137/87177—With bypass
    • Y10T137/87185—Controlled by supply or exhaust valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
DE69110319T 1990-03-05 1991-03-04 Hydraulisch angetriebenes System. Expired - Fee Related DE69110319T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5332590A JP2839625B2 (ja) 1990-03-05 1990-03-05 油圧駆動装置

Publications (2)

Publication Number Publication Date
DE69110319D1 true DE69110319D1 (de) 1995-07-20
DE69110319T2 DE69110319T2 (de) 1995-10-26

Family

ID=12939571

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69110319T Expired - Fee Related DE69110319T2 (de) 1990-03-05 1991-03-04 Hydraulisch angetriebenes System.

Country Status (5)

Country Link
US (1) US5168705A (de)
EP (1) EP0445703B1 (de)
JP (1) JP2839625B2 (de)
KR (1) KR940008820B1 (de)
DE (1) DE69110319T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2568926B2 (ja) * 1990-01-18 1997-01-08 株式会社小松製作所 アタッチメントの流量切換え装置
KR940703973A (ko) * 1992-10-29 1994-12-12 오까다 하지메 유압제어밸브장치 및 유압구동장치
DE69302012T2 (de) * 1992-12-04 1996-09-05 Hitachi Construction Machinery Co., Ltd., Tokio/Tokyo Hydraulischer regenerator
JPH07127607A (ja) * 1993-09-07 1995-05-16 Yutani Heavy Ind Ltd 作業機械の油圧装置
JP2992434B2 (ja) * 1993-12-02 1999-12-20 日立建機株式会社 建設機械の油圧制御装置
KR960011173A (ko) * 1994-09-30 1996-04-20 김무 유압모터의 캐비테이션 방지장치
JP3703265B2 (ja) * 1997-08-26 2005-10-05 カヤバ工業株式会社 油圧制御装置
US6076350A (en) * 1997-09-24 2000-06-20 Linde Aktiengesellschaft Hydrostatic drive system for a vehicle
US6321152B1 (en) * 1999-12-16 2001-11-20 Caterpillar Inc. System and method for inhibiting saturation of a hydraulic valve assembly
DE10004905C2 (de) * 2000-02-04 2002-10-24 Orenstein & Koppel Ag Verfahren und Vorrichtung zur Steuerung eines Hubzylinders insbesondere von Arbeitsmaschinen
JP4454131B2 (ja) * 2000-09-26 2010-04-21 日立建機株式会社 建設機械の油圧再生装置及び建設機械
US6694860B2 (en) 2001-12-10 2004-02-24 Caterpillar Inc Hydraulic control system with regeneration
KR100468623B1 (ko) * 2001-12-12 2005-01-27 한일유압 주식회사 암재생용 스풀을 갖는 굴삭기 컨트롤밸브의 암 재생장치
US7114431B1 (en) * 2005-01-28 2006-10-03 Eaton Corporation Fluid powered apparatus for operating a mechanism during an emergency
JP4867614B2 (ja) * 2006-11-24 2012-02-01 コベルコ建機株式会社 制御装置及びこれを備えた作業機械
DE102007029358A1 (de) * 2007-06-26 2009-01-02 Robert Bosch Gmbh Verfahren und hydraulische Steueranordnung zur Druckmittelversorgung zumindest eines hydraulischen Verbrauchers
DE102010023435A1 (de) * 2010-06-11 2011-12-15 Toni Kiesel Verfahren zur Ansteuerung eines hydraulisch bewegbaren Auslegers eines Arbeitsgerätes sowie ein Arbeitsgerät
JP5764968B2 (ja) * 2011-02-24 2015-08-19 コベルコ建機株式会社 建設機械の油圧制御装置
JP5669264B2 (ja) * 2011-05-13 2015-02-12 株式会社神戸製鋼所 作業用油圧制御装置
JP5707287B2 (ja) * 2011-09-26 2015-04-30 株式会社神戸製鋼所 作業機械の油圧駆動装置
JP5851822B2 (ja) 2011-12-16 2016-02-03 コベルコクレーン株式会社 作業機械の油圧駆動装置
JP5661085B2 (ja) * 2012-11-13 2015-01-28 株式会社神戸製鋼所 作業機械の油圧駆動装置
JP6621130B2 (ja) * 2015-02-06 2019-12-18 キャタピラー エス エー アール エル 油圧アクチュエータ制御回路
JP6591370B2 (ja) * 2016-08-18 2019-10-16 日立建機株式会社 建設機械の油圧制御装置
JP7351628B2 (ja) * 2019-03-25 2023-09-27 日本道路株式会社 アスファルト合材サイロ

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3482600A (en) * 1968-03-04 1969-12-09 Commercial Shearing Hollow slide valves
US3746040A (en) * 1972-04-19 1973-07-17 Parker Hannifin Corp Directional control valve
US4174613A (en) * 1974-11-08 1979-11-20 Tadeusz Budzich Load responsive valve assemblies
US3998134A (en) * 1974-11-08 1976-12-21 Tadeusz Budzich Load responsive fluid control valves
US4222409A (en) * 1978-10-06 1980-09-16 Tadeusz Budzich Load responsive fluid control valve
US4293000A (en) * 1978-10-06 1981-10-06 Tadeusz Budzich Load responsive fluid control valve
US4267860A (en) * 1978-10-24 1981-05-19 Tadeusz Budzich Load responsive valve assemblies
US4249570A (en) * 1979-06-18 1981-02-10 Tadeusz Budzich Exhaust pressurization of load responsive system
US4336687A (en) * 1980-04-21 1982-06-29 Eaton Corporation Load sensing controller
DE3245288A1 (de) * 1982-12-03 1984-06-14 O & K Orenstein & Koppel Ag, 1000 Berlin Verfahren zur einsparung von energie beim stellen eines ausruestungszylinders an einem hydraulikbagger durch eine hydraulikschaltung
US4470260A (en) * 1983-08-11 1984-09-11 Deere & Company Open center load sensing hydraulic system
US4463558A (en) * 1983-08-12 1984-08-07 Deere & Company Load sensing hydraulic system
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
DE3702000A1 (de) * 1987-01-23 1988-08-04 Hydromatik Gmbh Steuervorrichtung fuer ein hydrostatisches getriebe fuer wenigstens zwei verbraucher

Also Published As

Publication number Publication date
DE69110319T2 (de) 1995-10-26
EP0445703B1 (de) 1995-06-14
JPH03255204A (ja) 1991-11-14
JP2839625B2 (ja) 1998-12-16
US5168705A (en) 1992-12-08
EP0445703A2 (de) 1991-09-11
EP0445703A3 (en) 1992-04-08
KR910017087A (ko) 1991-11-05
KR940008820B1 (ko) 1994-09-26

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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