JPS6166249U - - Google Patents

Info

Publication number
JPS6166249U
JPS6166249U JP15119384U JP15119384U JPS6166249U JP S6166249 U JPS6166249 U JP S6166249U JP 15119384 U JP15119384 U JP 15119384U JP 15119384 U JP15119384 U JP 15119384U JP S6166249 U JPS6166249 U JP S6166249U
Authority
JP
Japan
Prior art keywords
pressure
clutch switching
clutches
hydraulic pump
valve
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.)
Granted
Application number
JP15119384U
Other languages
Japanese (ja)
Other versions
JPH0144850Y2 (en
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 filed Critical
Priority to JP1984151193U priority Critical patent/JPH0144850Y2/ja
Publication of JPS6166249U publication Critical patent/JPS6166249U/ja
Application granted granted Critical
Publication of JPH0144850Y2 publication Critical patent/JPH0144850Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • Gear-Shifting Mechanisms (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の一実施例を示す回路図、第
２図は従来の多段形静油圧、機械式無段変速機の
構成図、第３図は同クラツチ切換え回路を示す回
路図である。 １０１は油圧ポンプ、１０４，１０５は減圧弁
、１１１，１２１，１３１，１４１は調圧弁、１
１３，１２３，１３３，１４３はクラツチ用切換
え弁、１１４，１２４，１３４，１４４は切換え
パイロツト用電磁弁、Ｃ１，Ｃ２，Ｃ３，Ｃ４は
各速度段クラツチ。 Fig. 1 is a circuit diagram showing an embodiment of this invention, Fig. 2 is a block diagram of a conventional multi-stage hydrostatic, mechanical continuously variable transmission, and Fig. 3 is a circuit diagram showing the same clutch switching circuit. . 101 is a hydraulic pump, 104, 105 are pressure reducing valves, 111, 121, 131, 141 are pressure regulating valves, 1
Reference numerals 13, 123, 133, and 143 are clutch switching valves; 114, 124, 134, and 144 are switching pilot solenoid valves; and C 1 , C 2 , C 3 , and C 4 are clutches for each speed stage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 油圧ポンプ１０１の吐出圧を、減圧弁１０４，
１０５及び切換えパイロツト用電磁弁１１４，１
２４，１３４，１４４より送られるパイロツト圧
により切換え動作されるクラツチ用切換え弁１１
３，１２３，１４３を介して各速度段のクラツチ
Ｃ１，Ｃ２，Ｃ３，Ｃ４へ供給することによりこ
れらクラツチＣ１，Ｃ２，Ｃ３，Ｃ４をオン、オ
フ制御するものにおいて、上記各クラツチ切換え
弁１１３，１２３，１３３，１４３の上流側に油
圧ポンプ１０１の吐出圧に応じて開閉する調圧弁
１１１，１２１，１３１，１４１を設けてなる無
段変速機のクラツチ切換え回路。 The discharge pressure of the hydraulic pump 101 is controlled by the pressure reducing valve 104,
105 and switching pilot solenoid valve 114,1
Clutch switching valve 11 operated by pilot pressure sent from 24, 134, 144
3, 123, 143 to control the on/off of these clutches C 1 , C 2 , C 3 , C 4 by supplying the clutches C 1 , C 2 , C 3 , C 4 of each speed stage. , a clutch switching circuit for a continuously variable transmission comprising pressure regulating valves 111, 121, 131, 141 which are opened and closed according to the discharge pressure of the hydraulic pump 101 on the upstream side of each of the clutch switching valves 113, 123, 133, 143.
JP1984151193U 1984-10-08 1984-10-08 Expired JPH0144850Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984151193U JPH0144850Y2 (en) 1984-10-08 1984-10-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984151193U JPH0144850Y2 (en) 1984-10-08 1984-10-08

Publications (2)

Publication Number Publication Date
JPS6166249U true JPS6166249U (en) 1986-05-07
JPH0144850Y2 JPH0144850Y2 (en) 1989-12-25

Family

ID=30709317

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984151193U Expired JPH0144850Y2 (en) 1984-10-08 1984-10-08

Country Status (1)

Country Link
JP (1) JPH0144850Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5085032A (en) * 1973-12-05 1975-07-09
JPS58122055U (en) * 1982-02-12 1983-08-19 セイレイ工業株式会社 Mitssion automatic transmission
JPS58122056U (en) * 1982-02-12 1983-08-19 セイレイ工業株式会社 Mitssion automatic transmission

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5085032A (en) * 1973-12-05 1975-07-09
JPS58122055U (en) * 1982-02-12 1983-08-19 セイレイ工業株式会社 Mitssion automatic transmission
JPS58122056U (en) * 1982-02-12 1983-08-19 セイレイ工業株式会社 Mitssion automatic transmission

Also Published As

Publication number Publication date
JPH0144850Y2 (en) 1989-12-25

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