JPH01169648U - - Google Patents

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Publication number
JPH01169648U
JPH01169648U JP6767088U JP6767088U JPH01169648U JP H01169648 U JPH01169648 U JP H01169648U JP 6767088 U JP6767088 U JP 6767088U JP 6767088 U JP6767088 U JP 6767088U JP H01169648 U JPH01169648 U JP H01169648U
Authority
JP
Japan
Prior art keywords
vehicle speed
detection means
automatic transmission
detecting
output shaft
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
JP6767088U
Other languages
Japanese (ja)
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 JP6767088U priority Critical patent/JPH01169648U/ja
Publication of JPH01169648U publication Critical patent/JPH01169648U/ja
Pending legal-status Critical Current

Links

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  • Arrangement And Driving Of Transmission Devices (AREA)
  • Control Of Transmission Device (AREA)

Description

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

第１図は本考案実施例の四輪駆動車用自動変速
機を示す全体図、第２図は実施例自動変速機での
各シフト位置での各摩擦要素の作動表を示す図、
第３図は第１実施例の四輪駆動車用自動変速機で
のトランスミツシヨン出力軸制動制御作動の流れ
を示すフローチヤート図、第４図は第２実施例の
四輪駆動車用自動変速機でのトランスミツシヨン
出力軸制御制動の流れを示すフローチヤート図で
ある。 １…自動変速機、２…トランスフアユニツト、
３…エンジン、４…トルクコンバータ、５…トラ
ンスミツシヨン入力軸、６…トランスミツシヨン
出力軸、１０…油圧コントロールユニツト、１１
…平行軸式トランスフアギヤ、１２…駆動力配分
機構、３０…車速センサ（車速検出手段）、３１
…インヒビタースイツチ（セレクト位置検出手段
）、３２…トランスフア位置スイツチ（ギヤ噛合
検出手段）、３４…ソレノイド、３５…Ａ／Ｔ制
御回路、３７…シヤトルデイユーテイ弁、４１…
Ｌ＆Ｒ／Ｂコントロール弁。 FIG. 1 is an overall view showing an automatic transmission for a four-wheel drive vehicle according to an embodiment of the present invention, and FIG. 2 is a diagram showing an operation table of each friction element at each shift position in the automatic transmission of the embodiment.
FIG. 3 is a flowchart showing the flow of the transmission output shaft braking control operation in the automatic transmission for a four-wheel drive vehicle of the first embodiment, and FIG. FIG. 2 is a flowchart showing the flow of transmission output shaft control braking in a transmission. 1... automatic transmission, 2... transfer unit,
3... Engine, 4... Torque converter, 5... Transmission input shaft, 6... Transmission output shaft, 10... Hydraulic control unit, 11
...Parallel shaft type transfer gear, 12...Driving force distribution mechanism, 30...Vehicle speed sensor (vehicle speed detection means), 31
...Inhibitor switch (select position detection means), 32...Transfer position switch (gear engagement detection means), 34...Solenoid, 35...A/T control circuit, 37...Shuttle duty valve, 41...
L&R/B control valve.

Claims (1)

【実用新案登録請求の範囲】 ギヤ比切換機能を持つ平行軸式のトランスフア
ユニツトとの組合わせによる四輪駆動車用自動変
速機において、 車速を検出する車速検出手段と、 前記自動変速機のセレクト位置を検出するセレ
クト位置検出手段と、 トランスフアユニツトのトランスフアギヤの噛
合状態を検出するギヤ噛合検出手段と、 自動変速機がニユートラル位置で、トランスフ
アユニツトのトランスフアギヤが非噛合状態で、
且つ、車速が所定車速値以下である時、自動変速
機内に設けられ、トランスミツシヨン出力軸に制
動効果をもたらす摩擦要素を締結する出力軸制動
制御手段と、 を備えている事を特徴とする四輪駆動車用自動変
速機。[Scope of Claim for Utility Model Registration] An automatic transmission for a four-wheel drive vehicle combined with a parallel shaft type transfer unit having a gear ratio switching function, comprising: a vehicle speed detection means for detecting vehicle speed; a select position detection means for detecting a select position; a gear mesh detection means for detecting a meshing state of a transfer gear of a transfer unit; ,
and output shaft braking control means that is installed in the automatic transmission and engages a friction element that produces a braking effect on the transmission output shaft when the vehicle speed is below a predetermined vehicle speed value. Automatic transmission for four-wheel drive vehicles.
JP6767088U 1988-05-23 1988-05-23 Pending JPH01169648U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6767088U JPH01169648U (en) 1988-05-23 1988-05-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6767088U JPH01169648U (en) 1988-05-23 1988-05-23

Publications (1)

Publication Number Publication Date
JPH01169648U true JPH01169648U (en) 1989-11-30

Family

ID=31293031

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6767088U Pending JPH01169648U (en) 1988-05-23 1988-05-23

Country Status (1)

Country Link
JP (1) JPH01169648U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010106960A (en) * 2008-10-30 2010-05-13 Iseki & Co Ltd Travel transmission device for tractor
JP2016211661A (en) * 2015-05-08 2016-12-15 アイシン・エィ・ダブリュ株式会社 Control device for automatic transmission
JP2017032059A (en) * 2015-07-31 2017-02-09 アイシン・エーアイ株式会社 Power transmission control device for four-wheel drive vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010106960A (en) * 2008-10-30 2010-05-13 Iseki & Co Ltd Travel transmission device for tractor
JP2016211661A (en) * 2015-05-08 2016-12-15 アイシン・エィ・ダブリュ株式会社 Control device for automatic transmission
JP2017032059A (en) * 2015-07-31 2017-02-09 アイシン・エーアイ株式会社 Power transmission control device for four-wheel drive vehicle

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