+

WO2008139798A1 - 油圧駆動車両 - Google Patents

油圧駆動車両 Download PDF

Info

Publication number
WO2008139798A1
WO2008139798A1 PCT/JP2008/056995 JP2008056995W WO2008139798A1 WO 2008139798 A1 WO2008139798 A1 WO 2008139798A1 JP 2008056995 W JP2008056995 W JP 2008056995W WO 2008139798 A1 WO2008139798 A1 WO 2008139798A1
Authority
WO
WIPO (PCT)
Prior art keywords
hydraulic
running
pump
oil
assist
Prior art date
Application number
PCT/JP2008/056995
Other languages
English (en)
French (fr)
Inventor
Shigeru Shinohara
Original Assignee
Komatsu 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 Komatsu Ltd. filed Critical Komatsu Ltd.
Priority to GB0919604.9A priority Critical patent/GB2461231B/en
Priority to US12/451,218 priority patent/US8190342B2/en
Priority to CN200880024016A priority patent/CN101687464A/zh
Priority to SE0950813A priority patent/SE534132C2/sv
Publication of WO2008139798A1 publication Critical patent/WO2008139798A1/ja

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
    • E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing
    • B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of fluid gearing
    • 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
    • E02F9/2253—Controlling the travelling speed of vehicles, e.g. adjusting travelling speed according to implement loads, control of hydrostatic transmission
    • 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19149—Gearing with fluid drive
    • Y10T74/19158—Gearing with fluid drive with one or more controllers for gearing, fluid drive, or clutch

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Motor Power Transmission Devices (AREA)
  • Control Of Fluid Gearings (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)

Abstract

　エンジンＥによって駆動される油圧ポンプ１１と、油圧ポンプ１１から吐出される圧油によって駆動される油圧モータ１２と、油圧ポンプ１１及び油圧モータ１２の間に閉回路を構成する一対の走行用油通路１３ａ，１３ｂとを備えた走行系油圧ユニット１０を具備し、油圧モータ１２の駆動によって走行する油圧駆動車両において、エンジンＥによって駆動される応援ポンプ４０と、油圧ポンプ１１から油圧モータ１２に圧油が供給されている際に高圧側となる走行用油通路に対して応援ポンプ４０から吐出された圧油を流入させる応援用制御弁３０，応援用油通路４７，高圧選択弁４７ｂと、応援ポンプ４０から一方の走行用油通路に圧油が流入された場合に他方の走行用油通路から圧油をドレンするドレン通路４８、低圧選択弁４８ａ、フラッシングリリーフ弁４８ｂとを備えている。
PCT/JP2008/056995 2007-05-09 2008-04-09 油圧駆動車両 WO2008139798A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB0919604.9A GB2461231B (en) 2007-05-09 2008-04-09 Hydraulic vehicle
US12/451,218 US8190342B2 (en) 2007-05-09 2008-04-09 Hydraulic vehicle
CN200880024016A CN101687464A (zh) 2007-05-09 2008-04-09 液压驱动车辆
SE0950813A SE534132C2 (sv) 2007-05-09 2008-04-09 Hydrauliskt fordon med stödpump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007124176A JP2008279834A (ja) 2007-05-09 2007-05-09 油圧駆動車両
JP2007-124176 2007-05-09

Publications (1)

Publication Number Publication Date
WO2008139798A1 true WO2008139798A1 (ja) 2008-11-20

Family

ID=40002020

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/056995 WO2008139798A1 (ja) 2007-05-09 2008-04-09 油圧駆動車両

Country Status (6)

Country Link
US (1) US8190342B2 (ja)
JP (1) JP2008279834A (ja)
CN (1) CN101687464A (ja)
GB (1) GB2461231B (ja)
SE (1) SE534132C2 (ja)
WO (1) WO2008139798A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5073798B2 (ja) * 2010-08-31 2012-11-14 株式会社小松製作所 フォークリフト
JP2012092864A (ja) * 2010-10-25 2012-05-17 Kanzaki Kokyukoki Manufacturing Co Ltd 油圧駆動作業車両
CN102285143B (zh) * 2011-06-16 2014-07-02 上海涌憬液压机械有限公司 液压机变量柱塞泵系统
JP5797061B2 (ja) * 2011-08-24 2015-10-21 株式会社小松製作所 油圧ショベル
CN102774277A (zh) * 2012-08-06 2012-11-14 关松生 汽车液压驱动制动一体化系统
US10280595B2 (en) * 2014-03-03 2019-05-07 Cnh Industrial America Llc Compact wheel loader
CA3097337C (en) 2018-07-11 2022-08-09 Halliburton Energy Services, Inc. Using a load sense pump as a backup for a pressure-compensated pump
JP2020172792A (ja) * 2019-04-11 2020-10-22 株式会社小松製作所 作業機械および制御方法
US11787678B2 (en) * 2021-02-19 2023-10-17 Oshkosh Corporation Hydraulic system for a vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6189123A (ja) * 1984-10-09 1986-05-07 Handoothe- Kogyo Kk 車両の走行装置のための自動変速式油圧駆動装置
JPS63150824U (ja) * 1987-03-25 1988-10-04
JPH02248763A (ja) * 1989-03-23 1990-10-04 Daikin Ind Ltd トラクタの駆動装置
JPH11350539A (ja) * 1998-06-11 1999-12-21 Komatsu Ltd 油圧駆動式作業車両の走行応援油圧回路

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5482561A (en) * 1977-12-13 1979-06-30 Komatsu Ltd Oil pressure controller of oil pressure driving gear
JPS63150824A (ja) 1986-12-15 1988-06-23 株式会社明電舎 真空インタラプタ
US5946910A (en) 1995-05-17 1999-09-07 Komatsu Ltd. Hydraulic circuit for hydraulically driven working vehicle
US7252020B2 (en) * 2000-01-10 2007-08-07 The United States Of America As Represented By The Administrator Of The U.S. Environmental Protection Agency Vehicle drive-train including a clutchless transmission, and method of operation
US7243755B2 (en) * 2004-07-28 2007-07-17 Zf Friedrichshafen Ag Drive mechanism for a mobile vehicle
US7967099B2 (en) * 2008-06-19 2011-06-28 Caterpillar Paving Products Inc. Method and arrangement of a plurality of propel pumps in a hydrostatically driven compactor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6189123A (ja) * 1984-10-09 1986-05-07 Handoothe- Kogyo Kk 車両の走行装置のための自動変速式油圧駆動装置
JPS63150824U (ja) * 1987-03-25 1988-10-04
JPH02248763A (ja) * 1989-03-23 1990-10-04 Daikin Ind Ltd トラクタの駆動装置
JPH11350539A (ja) * 1998-06-11 1999-12-21 Komatsu Ltd 油圧駆動式作業車両の走行応援油圧回路

Also Published As

Publication number Publication date
US8190342B2 (en) 2012-05-29
GB2461231B (en) 2011-12-21
GB2461231A (en) 2009-12-30
SE534132C2 (sv) 2011-05-03
US20100131163A1 (en) 2010-05-27
CN101687464A (zh) 2010-03-31
JP2008279834A (ja) 2008-11-20
GB0919604D0 (en) 2009-12-23
SE0950813L (sv) 2009-11-30

Similar Documents

Publication Publication Date Title
WO2008139798A1 (ja) 油圧駆動車両
KR101534697B1 (ko) 오일 공급 시스템
US10018235B2 (en) Hydraulic supply apparatus
WO2010028745A3 (de) Verfahren und hydraulikkreislauf zur hydraulischen steuerung eines insbesondere automatischen oder automatisierten kraftfahrzeuggetriebes
EP1584822A3 (en) Hydraulic control system and construction machine
WO2009054163A1 (ja) 車両用制御装置
WO2008049635A3 (de) Hydrostatischer antrieb mit bremsenergierückgewinnung
AU2003233939A1 (en) Hydraulic system and automatic gearbox
WO2010067189A8 (en) Hydraulic control apparatus and hydraulic control method
WO2008071140A3 (de) Hydraulik-schaltungsanordnung zur ansteuerung einer hybridkupplung und eines automatikgetriebes eines kraftfahrzeuges
WO2008120545A1 (ja) 作業車両の走行制御装置
WO2010011727A3 (en) Valvetrain oil control system and oil control valve
WO2009041495A1 (ja) 産業用車両の油圧供給装置
WO2009026051A4 (en) Apparatus and methods to control fluid flow in a downhole tool
ATE545557T1 (de) Hydroaggregat zur regelung des bremsdrucks in einer fahrzeugbremsanlage
ATE492730T1 (de) Anordnung zum bedienen einer hydraulischen vorrichtung
RU2009106709A (ru) Система сцепления
EP1820909A3 (en) Hydraulic controlling device of working machine
DK2102529T3 (da) Hydrostatisk køretøjsdrev
EP1589264A3 (en) Hydraulic drive system and improved filter sub-system therefor
WO2007122481A3 (en) Hydraulic drive system and improved filter sub-system therefor
WO2008108180A1 (ja) 作業機ポンプの回転制御システム
WO2009037994A1 (ja) 油圧ポンプ・モータおよび油圧ポンプ・モータの脈動防止方法
EP1837528A4 (en) HYDRAULIC CIRCUIT
WO2009036562A3 (en) System and apparatus to synchronize a plurality of hydraulically actuated components

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880024016.9

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08740098

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 12451218

Country of ref document: US

ENP Entry into the national phase

Ref document number: 0919604

Country of ref document: GB

Kind code of ref document: A

Free format text: PCT FILING DATE = 20080409

WWE Wipo information: entry into national phase

Ref document number: 0919604.9

Country of ref document: GB

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08740098

Country of ref document: EP

Kind code of ref document: A1

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载