JPS611764U - Electronic control device for power shift transmission - Google Patents

Electronic control device for power shift transmission

Info

Publication number
JPS611764U
JPS611764U JP1984086974U JP8697484U JPS611764U JP S611764 U JPS611764 U JP S611764U JP 1984086974 U JP1984086974 U JP 1984086974U JP 8697484 U JP8697484 U JP 8697484U JP S611764 U JPS611764 U JP S611764U
Authority
JP
Japan
Prior art keywords
clutch
pressure
pressure fluid
fluid supplied
switching
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
JP1984086974U
Other languages
Japanese (ja)
Other versions
JPH021567Y2 (en
Inventor
隆希 小川
靖嘉 浅木
敬三 倉橋
Original Assignee
株式会社豊田自動織機製作所
富士通株式会社
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 株式会社豊田自動織機製作所, 富士通株式会社 filed Critical 株式会社豊田自動織機製作所
Priority to JP1984086974U priority Critical patent/JPS611764U/en
Publication of JPS611764U publication Critical patent/JPS611764U/en
Application granted granted Critical
Publication of JPH021567Y2 publication Critical patent/JPH021567Y2/ja
Granted legal-status Critical Current

Links

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。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図はこの発明を具体化したパワーシフトトランスミ
ッションの油圧及び電気ブロック回路図、第２図は圧力
制御弁の一部切欠正面図である。 前後進トルクコンバータクラッチ・・・５、圧力制御弁
・・・１１、３速切替電磁バルブ・・・２７、２速切替
電磁バルブ・・・２８、１速〜３速クラッチ・・・２９
ａ， ２ ９ ｂ， ２ ９ ｃ，車速センサー３
１、各手段としての中央処理装置（ｃｐｕ）・・・４０
。FIG. 1 is a hydraulic and electrical block circuit diagram of a power shift transmission embodying the present invention, and FIG. 2 is a partially cutaway front view of a pressure control valve. Forward/forward torque converter clutch...5, Pressure control valve...11, 3rd speed switching solenoid valve...27, 2nd speed switching solenoid valve...28, 1st to 3rd speed clutch...29
a, 2 9 b, 2 9 c, vehicle speed sensor 3
1. Central processing unit (CPU) as each means...40
.

Claims (1)

【実用新案登録請求の範囲】 複数個の変速用クラッチと、 複数個の前記変速用クラッチに供給する圧力流体を切曽
え各変速用クラッチの切替えを行うクラッチ切替電磁バ
ルブと、 前後進クラッチと、 前記前後進クラッチに供給する圧力流体の圧力を可変さ
せ前後進クラッチの接続状態を制御する圧力制御弁と、 車輛の走行速度を検出する車速センサと、車速センサの
検出量に基づいて所定の変速用タラツチに切替え変速す
るとき、前記前後進クラッチに供給する圧力流体の圧力
を下げるべく圧力制御弁を作動させる手段と、 前記圧力流体が所定の値まで下がったとき、前記変速用
クラッチを切替えるべく前記クラッチ切替バルブを切替
え作動させる手段と、 前記クラッチ切替電磁バルブを作動させた後、前記前後
進クラッチに供給する圧力流体の圧力を上げるべく前記
圧力制御弁を作動させる手段とを備えたことを特徴とす
るパワーシフトトランスミッションの電子制御装置。[Scope of Claim for Utility Model Registration] A plurality of shift clutches, a clutch switching electromagnetic valve that switches the pressure fluid supplied to the plurality of shift clutches to switch each shift clutch, and a forward/reverse clutch; , a pressure control valve that controls the connection state of the forward/reverse clutch by varying the pressure of the pressure fluid supplied to the forward/reverse clutch; a vehicle speed sensor that detects the traveling speed of the vehicle; means for operating a pressure control valve to reduce the pressure of pressure fluid supplied to the forward/reverse clutch when switching to a gear shifting clutch; and switching the gear shifting clutch when the pressure fluid drops to a predetermined value; and means for operating the pressure control valve to increase the pressure of the pressure fluid supplied to the forward/reverse clutch after operating the clutch switching solenoid valve. An electronic control device for power shift transmissions featuring:
JP1984086974U 1984-06-11 1984-06-11 Electronic control device for power shift transmission Granted JPS611764U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984086974U JPS611764U (en) 1984-06-11 1984-06-11 Electronic control device for power shift transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984086974U JPS611764U (en) 1984-06-11 1984-06-11 Electronic control device for power shift transmission

Publications (2)

Publication Number Publication Date
JPS611764U true JPS611764U (en) 1986-01-08
JPH021567Y2 JPH021567Y2 (en) 1990-01-16

Family

ID=30638766

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984086974U Granted JPS611764U (en) 1984-06-11 1984-06-11 Electronic control device for power shift transmission

Country Status (1)

Country Link
JP (1) JPS611764U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11230200A (en) * 1998-02-20 1999-08-27 Iseki & Co Ltd Pressure rising circuit for hydraulic clutch

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5164161A (en) * 1974-10-07 1976-06-03 Renault Jidohensokusochino seigyoyosoheno kyokyuatsuryokuoseigyosurusochi
JPS5723139A (en) * 1980-07-16 1982-02-06 Fujitsu Ltd Load dividing system of terminal controller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5164161A (en) * 1974-10-07 1976-06-03 Renault Jidohensokusochino seigyoyosoheno kyokyuatsuryokuoseigyosurusochi
JPS5723139A (en) * 1980-07-16 1982-02-06 Fujitsu Ltd Load dividing system of terminal controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11230200A (en) * 1998-02-20 1999-08-27 Iseki & Co Ltd Pressure rising circuit for hydraulic clutch

Also Published As

Publication number Publication date
JPH021567Y2 (en) 1990-01-16

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