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KR920701723A - 유압구동차의 가변용량 펌프제어장치 - Google Patents

유압구동차의 가변용량 펌프제어장치

Info

Publication number
KR920701723A
KR920701723A KR1019910701470A KR910701470A KR920701723A KR 920701723 A KR920701723 A KR 920701723A KR 1019910701470 A KR1019910701470 A KR 1019910701470A KR 910701470 A KR910701470 A KR 910701470A KR 920701723 A KR920701723 A KR 920701723A
Authority
KR
South Korea
Prior art keywords
variable
pump
hydraulic
variable displacement
throttle valve
Prior art date
Application number
KR1019910701470A
Other languages
English (en)
Inventor
마사노리 이카리
Original Assignee
가타다 테쓰야
가부시끼가이샤 고마츠세이사쿠쇼
원본미기재
고마츠 메크 가부시끼가이샤
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 가타다 테쓰야, 가부시끼가이샤 고마츠세이사쿠쇼, 원본미기재, 고마츠 메크 가부시끼가이샤 filed Critical 가타다 테쓰야
Publication of KR920701723A publication Critical patent/KR920701723A/ko

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/423—Motor capacity control by fluid pressure control means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/433—Pump capacity control by fluid pressure control 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/68—Inputs being a function of gearing status
    • F16H2059/6838—Sensing gearing status of hydrostatic transmissions
    • F16H2059/6861—Sensing gearing status of hydrostatic transmissions the pressures, e.g. high, low or differential pressures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F16H61/472—Automatic regulation in accordance with output requirements for achieving a target output torque

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Fluid Gearings (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

내용 없음

Description

유압구동차의 가변용량 펌프제어장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 내지 제4도는 각각 이 발명에 의한 가변용량펌프 제어장치의 4개의 실시예의 시스템 설명도.

Claims (5)

  1. 가변용량 유압펌프를 구비한 유압 구동차에 대해서, 가변용량 유압펌프의 용량을 제어하는 펌프용량 제어실린더(c)의 파이럿 유압회로에, 주유압회로의 유압에 따라서 펌프용량제어실린더(c)의 동작속도를 변화시키도록 작동하는 가변 스로틀장치를 설치한 것을 특징으로 하는 가변용량 유압펌프 제어장치.
  2. 제1항에 있어서, 가변 스로틀 장치가 일방향 스로틀 밸브(11)와; 구동주회로의 유압에 따라서 작동하도록 일방향 스로틀 밸브(21)에 병렬로 설치한 파이럿 조작 변환밸브와; 로 이루어진 것을 특징으로 하는 가변용량 펌프제어장치.
  3. 제1항에 있어서, 가변 스로틀장치가 일방향 스로틀 밸브(21)와; 구동주회로의 유압이 높을 때에 제어실린더로부터의 되돌아오는 오일을 개방하도록 작동하게 스로틀 밸브에 병렬로 설치한 파이럿 조작 역지밸브(24)와; 로 이루어진 것을 특징으로 하는 가변 용량 펌프 제어장치.
  4. 제1항에 있어서, 가변 서로틀장치가 일방향 스로틀 밸브와; 구동 주회로의 유압이 높을 때에 제어 실린더로부터의 되돌아오는 오일을 개방하도록 작동하는 파이럿 조작 피스톤을 설치한 것을 특징으로 하는 가변 용량 펌프 제어장치.
  5. 제1항에 있어서, 가변 스로틀장치가 펌프용량제어 실린더의 파이럿 유압회로에 제어실린더의 되돌아오는 유로(油路)방향으로 설치한 역지 밸브와; 구동주회로의 유압에 따라 작동하도록 상기 역지 밸브와 병렬로 설치한 파이럿 조작 가변 스로틀 밸브와; 로 이루어진 것을 특징으로 하는 가변 용량 펌프의 제어장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910701470A 1989-04-28 1990-04-17 유압구동차의 가변용량 펌프제어장치 KR920701723A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP89-107403 1989-04-28
JP1107403A JP2711894B2 (ja) 1989-04-28 1989-04-28 油圧駆動車の可変容量ポンプ制御装置
PCT/JP1990/000499 WO1990013762A1 (en) 1989-04-28 1990-04-17 Variable capacity pump controller of hydraulically driven wheel

Publications (1)

Publication Number Publication Date
KR920701723A true KR920701723A (ko) 1992-08-12

Family

ID=14458264

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910701470A KR920701723A (ko) 1989-04-28 1990-04-17 유압구동차의 가변용량 펌프제어장치

Country Status (6)

Country Link
US (1) US5190445A (ko)
EP (1) EP0471842B1 (ko)
JP (1) JP2711894B2 (ko)
KR (1) KR920701723A (ko)
DE (1) DE69027529T2 (ko)
WO (1) WO1990013762A1 (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06137276A (ja) * 1992-10-29 1994-05-17 Komatsu Ltd 可変容量油圧ポンプの容量制御装置
US5344288A (en) * 1993-01-28 1994-09-06 Kabushiki Kaisha Komatsu Seisakusho Device for controlling displacement of variable displacement hydraulic pump
DE4313597B4 (de) * 1993-04-26 2005-09-15 Linde Ag Verfahren zum Betreiben einer verstellbaren hydrostatischen Pumpe und dafür ausgebildetes hydrostatisches Antriebssystem
JP3575827B2 (ja) * 1994-06-08 2004-10-13 東芝機械株式会社 可変容量ポンプのロードセンシング装置
KR0174397B1 (ko) * 1996-05-30 1999-04-15 토니헬샴 로우더의 엔진/펌프 제어장치
CA2260684C (en) 1998-02-06 2004-06-01 Robert D. Backer Pump enable system and method
US6073442A (en) * 1998-04-23 2000-06-13 Caterpillar Inc. Apparatus and method for controlling a variable displacement pump
US6102001A (en) * 1998-12-04 2000-08-15 Woodward Governor Company Variable displacement pump fuel metering system and electrohydraulic servo-valve for controlling the same
US6594993B1 (en) * 1999-12-23 2003-07-22 Danfoss A/S Hydraulic driving device and system for a vehicle
GR20050100141A (el) * 2005-03-21 2006-11-01 Γεωργιου Νικολαος Μποτσης Υγρομηχανικα αυτοπροσαρμοζομενα συστηματα μεταφορας ισχυος δια γραμμικης αναδρασης με μετρητες ροπης φορτιου πραγματικου χρονου (c.v.t.)
JP4814598B2 (ja) 2005-09-20 2011-11-16 ヤンマー株式会社 油圧式無段変速装置
US7536856B2 (en) * 2005-11-30 2009-05-26 Caterpillar Inc. System for controlling a power output

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2327257A1 (de) * 1973-05-29 1975-01-02 Kloeckner Humboldt Deutz Ag Steuereinrichtung fuer ein hydrostatisches kraftfahrzeuggetriebe
GB1415977A (en) * 1973-07-12 1975-12-03 Karl Marx Stadt Ind Werke Control system for a hydrostatic pump
JPS51148587U (ko) * 1975-05-23 1976-11-29
JPS51148587A (en) * 1975-06-14 1976-12-20 Saito Kaoru Apparatus for filling intensely bubbling liquid in constant quantity
DE2827810C2 (de) * 1978-06-24 1983-03-17 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Automotive Steuerung für einen hydrostatischen Fahrantrieb
JPS57116969A (en) * 1981-01-08 1982-07-21 Hitachi Constr Mach Co Ltd Oil pressure closed circuit driven by hydraulic motor
JPS57131891A (en) * 1981-02-06 1982-08-14 Tokyo Keiki Co Ltd Oil hydraulic controller
EP0078861B1 (de) * 1981-11-10 1985-03-20 Vickers Systems GmbH Druckregeleinrichtung
SU1090915A1 (ru) * 1982-07-20 1984-05-07 Московский Ордена Трудового Красного Знамени Автомобильно-Дорожный Институт Система управлени регулируемым по давлению насосом
JPS59183562A (ja) * 1983-04-02 1984-10-18 Nippon Hoso Kyokai <Nhk> 符号信号伝送方式
JPS59183562U (ja) * 1983-05-24 1984-12-06 株式会社小松製作所 油圧閉回路制御装置
JPH0794822B2 (ja) * 1987-04-16 1995-10-11 ダイキン工業株式会社 流体制御装置

Also Published As

Publication number Publication date
JP2711894B2 (ja) 1998-02-10
DE69027529D1 (de) 1996-07-25
EP0471842A1 (en) 1992-02-26
EP0471842B1 (en) 1996-06-19
US5190445A (en) 1993-03-02
EP0471842A4 (en) 1992-05-27
WO1990013762A1 (en) 1990-11-15
JPH02286963A (ja) 1990-11-27
DE69027529T2 (de) 1996-10-31

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19911028

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid