JP4444620B2 - 油圧モータの自動変速機構 - Google Patents

油圧モータの自動変速機構 Download PDF

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Publication number
JP4444620B2
JP4444620B2 JP2003354714A JP2003354714A JP4444620B2 JP 4444620 B2 JP4444620 B2 JP 4444620B2 JP 2003354714 A JP2003354714 A JP 2003354714A JP 2003354714 A JP2003354714 A JP 2003354714A JP 4444620 B2 JP4444620 B2 JP 4444620B2
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JP
Japan
Prior art keywords
hydraulic motor
speed
pressure
capacity
oil
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
JP2003354714A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005121074A (ja
Inventor
輝彦 佐竹
秀和 奥藤
浩 田所
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.)
Nabtesco Corp
Original Assignee
Nabtesco Corp
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 Nabtesco Corp filed Critical Nabtesco Corp
Priority to JP2003354714A priority Critical patent/JP4444620B2/ja
Priority to KR1020040081997A priority patent/KR100660783B1/ko
Priority to IT000713A priority patent/ITTO20040713A1/it
Priority to CNB2004100954919A priority patent/CN100347454C/zh
Publication of JP2005121074A publication Critical patent/JP2005121074A/ja
Application granted granted Critical
Publication of JP4444620B2 publication Critical patent/JP4444620B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F16H2061/0046—Details of fluid supply channels, e.g. within shafts, for supplying friction devices or transmission actuators with control fluid

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
JP2003354714A 2003-10-15 2003-10-15 油圧モータの自動変速機構 Expired - Lifetime JP4444620B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2003354714A JP4444620B2 (ja) 2003-10-15 2003-10-15 油圧モータの自動変速機構
KR1020040081997A KR100660783B1 (ko) 2003-10-15 2004-10-14 유압모터의 자동변속기구
IT000713A ITTO20040713A1 (it) 2003-10-15 2004-10-14 Meccanismo automatico di selezione dei rapporti per un motore idraulico
CNB2004100954919A CN100347454C (zh) 2003-10-15 2004-10-15 液压马达的自动变速机构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003354714A JP4444620B2 (ja) 2003-10-15 2003-10-15 油圧モータの自動変速機構

Publications (2)

Publication Number Publication Date
JP2005121074A JP2005121074A (ja) 2005-05-12
JP4444620B2 true JP4444620B2 (ja) 2010-03-31

Family

ID=34612545

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003354714A Expired - Lifetime JP4444620B2 (ja) 2003-10-15 2003-10-15 油圧モータの自動変速機構

Country Status (4)

Country Link
JP (1) JP4444620B2 (zh)
KR (1) KR100660783B1 (zh)
CN (1) CN100347454C (zh)
IT (1) ITTO20040713A1 (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1803630B1 (en) * 2005-12-28 2013-01-16 Caterpillar SARL Vehicle steering arrangement and method
JP4776487B2 (ja) * 2006-09-29 2011-09-21 株式会社クボタ バックホーの油圧システム
CN103742470B (zh) * 2013-12-13 2016-02-17 武汉船用机械有限责任公司 一种马达速度切换阀组和液压系统
FR3030641B1 (fr) * 2014-12-23 2017-01-13 Poclain Hydraulics Ind Dispositif de commutation automatique de cylindree d'une machine a pistons axiaux
CN104912151B (zh) * 2015-06-23 2017-11-17 陈光星 挖掘机液压驱动自动变速控制装置
CN105020091A (zh) * 2015-07-30 2015-11-04 江苏柳工机械有限公司 滑移装载机的变量马达排量缓冲调节系统
CN105485071B (zh) * 2015-12-07 2017-10-31 北京航空航天大学 基于阀控变量马达的舱门瞬态作动装置和驱动方法
FR3057843B1 (fr) * 2016-10-25 2018-11-30 Poclain Hydraulics Industrie Systeme d'assistance a l'entrainement de vehicule comprenant un circuit hydraulique ouvert
JP6991752B2 (ja) * 2017-06-30 2022-01-13 ナブテスコ株式会社 アンチキャビテーション油圧回路
CN110831839B (zh) * 2017-07-05 2022-08-16 住友建机株式会社 挖土机及挖土机的控制方法
JP7203631B2 (ja) * 2019-02-21 2023-01-13 ナブテスコ株式会社 歯車装置及びキャリア
KR102611147B1 (ko) 2020-03-11 2023-12-07 에이치디현대사이트솔루션 주식회사 유압 모터 조립체
EP4063209B1 (en) * 2021-03-22 2024-04-24 Nabtesco Corporation Brake control device and method of manufacturing brake control device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3221758A1 (de) * 1982-06-09 1983-12-15 Hartmann & Lämmle GmbH & Co KG, 7255 Rutesheim Hydraulische antriebsvorrichtung
DE3814580A1 (de) * 1988-04-29 1989-11-09 Eckehart Schulze Hydraulische steuereinrichtung fuer die antriebssteuerung eines doppelt-wirkenden hydrozylinders
JPH08258579A (ja) * 1995-03-24 1996-10-08 Komatsu Ltd 油圧駆動車の変速装置

Also Published As

Publication number Publication date
CN1654832A (zh) 2005-08-17
CN100347454C (zh) 2007-11-07
ITTO20040713A1 (it) 2005-01-14
KR20050036767A (ko) 2005-04-20
KR100660783B1 (ko) 2006-12-26
JP2005121074A (ja) 2005-05-12

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