JPH01121751U - - Google Patents
Info
- Publication number
- JPH01121751U JPH01121751U JP1693288U JP1693288U JPH01121751U JP H01121751 U JPH01121751 U JP H01121751U JP 1693288 U JP1693288 U JP 1693288U JP 1693288 U JP1693288 U JP 1693288U JP H01121751 U JPH01121751 U JP H01121751U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic pressure
- hydraulic
- automatic transmission
- hydraulic circuit
- supplying
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Transmission Device (AREA)
Description
第１図は本考案に係る自動変速機の油圧制御装
置を示すその要部油圧回路図であり、第２図は従
来例を示すその全体構成図である。
１……自動変速機、１１，１２……油圧アクチ
ユエータ（可変制御手段）、１６……フオワード
クラツチ（所定摩擦要素）、１９……リバースク
ラツチ（所定摩擦要素）、２１……第１油圧回路
、２２……第２油圧回路、２３……第３油圧回路
、２９Ｄ，２９Ｒ……逆止弁（選択供給手段）、
３５……ローアンドリバースブレーキ（摩擦要素
）。
FIG. 1 is a hydraulic circuit diagram of a main part of a hydraulic control system for an automatic transmission according to the present invention, and FIG. 2 is an overall configuration diagram showing a conventional example. DESCRIPTION OF SYMBOLS 1... Automatic transmission, 11, 12... Hydraulic actuator (variable control means), 16... Forward clutch (predetermined friction element), 19... Reverse clutch (predetermined friction element), 21... First hydraulic circuit , 22... Second hydraulic circuit, 23... Third hydraulic circuit, 29D, 29R... Check valve (selective supply means),
35...Low and reverse brake (friction element).
Claims (1)
動力伝達系路を切り換えて自動変速する自動変速
機に設けられ、自動変速機の変速状態に応じて所
定摩擦要素の作動油圧を可変制御する可変制御手
段と、供給源からの供給油圧を可変制御手段に供
給する第１油圧回路と、可変制御手段からの制御
油圧を所定摩擦要素に供給する第２油圧回路と、
を備えた自動変速機の油圧制御装置において、前
記第１油圧回路から第２油圧回路に所定の遅れ時
間を持つて油圧を供給する第３油圧回路を設ける
とともに、前記第２油圧回路に可変制御手段から
の制御油圧および第３油圧回路からの油圧のうち
圧力の高い一方の油圧を選択して所定摩擦要素に
供給する選択供給手段を設けたことを特徴とする
自動変速機の油圧制御装置。 Various friction elements are selectively activated by hydraulic pressure,
A variable control means that is installed in an automatic transmission that automatically changes gears by switching the power transmission line, and that variably controls the working hydraulic pressure of a predetermined friction element according to the shifting state of the automatic transmission, and variable control means that variably controls the hydraulic pressure supplied from a supply source. a first hydraulic circuit for supplying control hydraulic pressure from the variable control means to a predetermined friction element;
In the hydraulic control device for an automatic transmission, a third hydraulic circuit is provided for supplying hydraulic pressure from the first hydraulic circuit to the second hydraulic circuit with a predetermined delay time, and a variable control system is provided for the second hydraulic circuit. A hydraulic control device for an automatic transmission, characterized in that a selective supply means is provided for selecting one of the control hydraulic pressure from the control hydraulic pressure and the hydraulic pressure from the third hydraulic circuit and supplying the selected hydraulic pressure to a predetermined friction element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1693288U JPH01121751U (en) | 1988-02-10 | 1988-02-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1693288U JPH01121751U (en) | 1988-02-10 | 1988-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01121751U true JPH01121751U (en) | 1989-08-17 |
Family
ID=31230291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1693288U Pending JPH01121751U (en) | 1988-02-10 | 1988-02-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01121751U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002267007A (en) * | 2001-03-05 | 2002-09-18 | Aisin Aw Co Ltd | Hydraulic control device of automatic transmission |
| WO2012147971A1 (en) * | 2011-04-28 | 2012-11-01 | アイシン・エィ・ダブリュ株式会社 | Hydraulic controller for hybrid drive system |
-
1988
- 1988-02-10 JP JP1693288U patent/JPH01121751U/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002267007A (en) * | 2001-03-05 | 2002-09-18 | Aisin Aw Co Ltd | Hydraulic control device of automatic transmission |
| JP4524938B2 (en) * | 2001-03-05 | 2010-08-18 | アイシン・エィ・ダブリュ株式会社 | Hydraulic control device for automatic transmission |
| WO2012147971A1 (en) * | 2011-04-28 | 2012-11-01 | アイシン・エィ・ダブリュ株式会社 | Hydraulic controller for hybrid drive system |
| JP5739987B2 (en) * | 2011-04-28 | 2015-06-24 | アイシン・エィ・ダブリュ株式会社 | Hydraulic controller for hybrid drive |
| JP2015157626A (en) * | 2011-04-28 | 2015-09-03 | アイシン・エィ・ダブリュ株式会社 | Hydraulic controller of hybrid drive device |
| US9140312B2 (en) | 2011-04-28 | 2015-09-22 | Aisin Aw Co., Ltd. | Hydraulic control device for hybrid drive device |
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