JPS5885523U - 油圧駆動車の制御回路 - Google Patents

油圧駆動車の制御回路

Info

Publication number
JPS5885523U
JPS5885523U JP18168181U JP18168181U JPS5885523U JP S5885523 U JPS5885523 U JP S5885523U JP 18168181 U JP18168181 U JP 18168181U JP 18168181 U JP18168181 U JP 18168181U JP S5885523 U JPS5885523 U JP S5885523U
Authority
JP
Japan
Prior art keywords
control circuit
switching device
set pressure
reverse
pilot pressure
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.)
Pending
Application number
JP18168181U
Other languages
English (en)
Inventor
一夫 松田
森田　紘一
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.)
Komatsu Ltd
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 JP18168181U priority Critical patent/JPS5885523U/ja
Priority to GB08235016A priority patent/GB2114272B/en
Publication of JPS5885523U publication Critical patent/JPS5885523U/ja
Pending legal-status Critical Current

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
    • F16H61/4157—Control of braking, e.g. preventing pump over-speeding when motor acts as a pump
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Gearings (AREA)
  • Motor Power Transmission Devices (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
図面は本考案の実施例を示す油圧回路図である。 １は油圧ポンプ、２は油圧モータ、３は前進側回路、４
は後進側回路、７ａ、７ｂはリリーフ弁、８ａ、　８ｂ
はセット圧切換装置、９は前後進シグナル弁、１０ａ、
１０ｂはパイロット圧作用部、１１は制御用ポンプ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 油圧ポンプ１と油圧モータ２とを前進側回路３と後進側
    回路４にて接続した油圧駆動車の制御回路において、上
    記両回路のそれぞれに、パイロット圧にて作動するセッ
    ト圧切換装置ａａ、ａｂにてセット圧を高・低切換える
    ことができるようにしたリリーフ弁７ａ、７ｂを接続し
    、上記セット圧切換装置３ａ、　８ｂの各パイロット圧
    作用部１０ａ、１０ｂと制御用ポンプ１１との間に、前
    後進切換装置と連動して切換わり、前進時には前進側の
    セット圧切換装置８ａに、また後進時に後進側のセット
    圧切換装置８ｂのそれぞれのパイロット圧作用部１０ａ
    、１０ｂにパイロット圧を選択的に供給する前後進シグ
    ナル弁９を介装したことを特徴とする油圧駆動車の制御
    回路。
JP18168181U 1981-12-08 1981-12-08 油圧駆動車の制御回路 Pending JPS5885523U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP18168181U JPS5885523U (ja) 1981-12-08 1981-12-08 油圧駆動車の制御回路
GB08235016A GB2114272B (en) 1981-12-08 1982-12-08 Hydrostatic transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18168181U JPS5885523U (ja) 1981-12-08 1981-12-08 油圧駆動車の制御回路

Publications (1)

Publication Number Publication Date
JPS5885523U true JPS5885523U (ja) 1983-06-10

Family

ID=16105009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18168181U Pending JPS5885523U (ja) 1981-12-08 1981-12-08 油圧駆動車の制御回路

Country Status (2)

Country Link
JP (1) JPS5885523U (ja)
GB (1) GB2114272B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4951466A (en) * 1989-06-12 1990-08-28 General Electric Company Warm-up control for transmission hydrostatic unit

Also Published As

Publication number Publication date
GB2114272B (en) 1985-05-09
GB2114272A (en) 1983-08-17

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