JPS6084850U - 油圧制御型変速機の油圧制御装置 - Google Patents

油圧制御型変速機の油圧制御装置

Info

Publication number
JPS6084850U
JPS6084850U JP1983177478U JP17747883U JPS6084850U JP S6084850 U JPS6084850 U JP S6084850U JP 1983177478 U JP1983177478 U JP 1983177478U JP 17747883 U JP17747883 U JP 17747883U JP S6084850 U JPS6084850 U JP S6084850U
Authority
JP
Japan
Prior art keywords
clutch
pilot
speed
valve
groups
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
JP1983177478U
Other languages
English (en)
Inventor
不二雄 前田
Original Assignee
株式会社小松製作所
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 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP1983177478U priority Critical patent/JPS6084850U/ja
Priority to DE19843441853 priority patent/DE3441853A1/de
Publication of JPS6084850U publication Critical patent/JPS6084850U/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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D48/0206—Control by fluid pressure in a system with a plurality of fluid-actuated clutches
    • 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
    • F16H61/04—Smoothing ratio shift
    • F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
    • F16H61/065—Smoothing ratio shift by controlling rate of change of fluid pressure using fluid 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0221—Valves for clutch control systems; Details thereof
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0224—Details of conduits, connectors or the adaptors therefor specially adapted for clutch control
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0227—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices
    • F16D2048/0233—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices by rotary pump actuation
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0257—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof
    • F16D2048/0281—Complex circuits with more than two valves in series or special arrangements thereof not provided for in previous groups
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/10—System to be controlled
    • F16D2500/108—Gear
    • F16D2500/1081—Actuation type
    • F16D2500/1082—Manual transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Control Of Transmission Device (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】
第１図は油圧制御線図、第２図は本考案の実施例を示す
油圧回路図、第３図はパイロットリリーフ弁を内蔵する
圧力漸増弁の具体的な構成の一例を示す断面図である。 １は油圧ポンプ、２は圧力漸増弁、７は高速用クラッチ
、８は中速用クラッチ、９は低速用クラッチ、１０は３
速用クラツチ、１１は２速用クラツチ、１２は１速用ク
ラツチ、１３は後退用クラ　　　、ツチ、１４ａ、〜１
４ｆは変速選択弁、１７はパイロットリリーフ弁、１８
はパイロット回路、１９はパイロットポート、２０はパ
イロット圧ドレンポート。

Claims (2)

    【実用新案登録請求の範囲】
  1. （１）高速用クラッチ７、中速用クラッチ８、低速用ク
    ラッチ９等の速度段クラッチ群と、３速用クラツチ１０
    ．２速用クラツチ１１．１連用クラツチ１２等の変速用
    クラッチ群と、後退用クラッチ１３羨を有し、これらの
    各クラッチ群の各クラッチをそれぞれ変速選択弁１４ａ
    〜１４ｆ及び圧力漸増弁２を介して油圧ポンプ１に接続
    し、上記速度段クラッチ群の１つと、変速用クラッチ群
    の１つ、あるいは速度段クラッチ群の１つと後退用クラ
    ッチ１３とを組合わせて作動することにより前後進及び
    変速操作がなされるようにした油圧制御型変速機におい
    て、上記油圧ポンプ１と圧力漸増弁２との間にパイロッ
    トリリーフ弁１７を接続し、また上記両クラッチ群を構
    成する各クラッチの少なくとも１個のクラッチを制御す
    る変速選択弁１４ｂの中立位置に上記パイロットリリー
    フ弁１７のパイロット回路１８に圧力漸増弁２を経た圧
    油を差し向′　　けるパイロットポート１９を、また作
    用位置に上記パイロット回路１８をドレンするパイロッ
    ト圧ドレンポート２０を設けたことを特徴とする油圧制
    御型変速機の油圧制御装置。
  2. （２）上記中立位置にパイロットポート１９を、作用位
    置にパイロット圧ドレンポート２０を設け−る変速選択
    弁を低速用クラッチ９を制御する低速用の変速選択弁１
    ４ｂとしたことを特徴とする実用新案登録請求の範囲第
    １項記載の油圧制御型変速機の油圧制御装置。
JP1983177478U 1983-11-18 1983-11-18 油圧制御型変速機の油圧制御装置 Pending JPS6084850U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1983177478U JPS6084850U (ja) 1983-11-18 1983-11-18 油圧制御型変速機の油圧制御装置
DE19843441853 DE3441853A1 (de) 1983-11-18 1984-11-15 Vorrichtung zum steuern des hydraulischen drucks fuer ein hydraulisch betaetigbares schaltgetriebe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983177478U JPS6084850U (ja) 1983-11-18 1983-11-18 油圧制御型変速機の油圧制御装置

Publications (1)

Publication Number Publication Date
JPS6084850U true JPS6084850U (ja) 1985-06-11

Family

ID=16031611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983177478U Pending JPS6084850U (ja) 1983-11-18 1983-11-18 油圧制御型変速機の油圧制御装置

Country Status (2)

Country Link
JP (1) JPS6084850U (ja)
DE (1) DE3441853A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988007636A1 (en) * 1987-03-25 1988-10-06 Kabushiki Kaisha Komatsu Seisakusho Hydraulic clutch pressure control apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68923183T2 (de) * 1988-02-19 1995-11-09 Komatsu Mfg Co Ltd Kupplungsschaltkreis für stufenlose Getriebe.
CN112943732B (zh) * 2021-03-24 2022-05-17 北京航空航天大学 一种具有不同启闭压力的溢流阀

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5673249A (en) * 1979-11-21 1981-06-17 Komatsu Ltd Controller for transmission

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5673249A (en) * 1979-11-21 1981-06-17 Komatsu Ltd Controller for transmission

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988007636A1 (en) * 1987-03-25 1988-10-06 Kabushiki Kaisha Komatsu Seisakusho Hydraulic clutch pressure control apparatus
US5035312A (en) * 1987-03-25 1991-07-30 Kabushiki Kaisha Komatsu Seisakusho Apparatus for controlling hydraulic pressure for clutch
US5168973A (en) * 1987-03-25 1992-12-08 Kabushiki Kaisha Komatsu Seisakusho Apparatus for controlling hydraulic pressure for clutch

Also Published As

Publication number Publication date
DE3441853A1 (de) 1985-05-30

Similar Documents

Publication Publication Date Title
JPS6084850U (ja) 油圧制御型変速機の油圧制御装置
US2971405A (en) Hydraulic controls for transmission
JPH01149050U (ja)
JPS58116849U (ja) 変速機の変速制御装置
JPS619653U (ja) 自動変速機の油圧制御装置
JPS60147845U (ja) 油圧作動式変速機の油圧回路
JPS6273146U (ja)
JPS58118340U (ja) 農機の変速装置
JPS5888041U (ja) 変速装置
JPS611764U (ja) パワ−シフトトランスミツシヨンの電子制御装置
JPS58122056U (ja) ミツシヨンの自動変速装置
JPS5927965U (ja) 走行装置の制御装置
JPS60162761U (ja) 油圧作動式変速機の油圧回路
JPS58111460U (ja) 油圧作動式変速機におけるライン圧調整装置
JPS59186546U (ja) 自動変速機の油圧制御回路
JPS617433U (ja) トラクターのｐｔｏ変速装置
JPS619654U (ja) 自動変速機の油圧制御装置
JPS5985446U (ja) 変速制御弁の油圧回路
JPS5872549U (ja) パワ−シフト変速機の油圧漸増装置
JPH0251755U (ja)
JPS5966056U (ja) 自走農機のミツシヨン油圧通路構造
JPS58151736U (ja) 流体圧変速操作装置
JPS611769U (ja) 自動変速機のロツクアツプ制御装置
JPS5852355U (ja) パワシフトトランスミツシヨンの油圧回路
JPS591942U (ja) 油圧クラツチ式変速装置