JPH0456962U - - Google Patents
Info
- Publication number
- JPH0456962U JPH0456962U JP10066390U JP10066390U JPH0456962U JP H0456962 U JPH0456962 U JP H0456962U JP 10066390 U JP10066390 U JP 10066390U JP 10066390 U JP10066390 U JP 10066390U JP H0456962 U JPH0456962 U JP H0456962U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic pressure
- hydraulic
- control valve
- accumulator
- valve unit
- 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 10
- 238000009825 accumulation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
Landscapes
- Control Of Transmission Device (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
自動変速機の全体縦断側面図、第２図は該自動変
速機の骨子図、第３図は第１図−線で切断し
た要部縦断面図、第４図は第３図−線で見た
要部破断平面図、第５図は第１図−線で見た
隔壁部の後面図、第６図は第１図−線で切断
した同じく隔壁部の縦断面図、第７図は第５図
−で見た隔壁部の要部側面図、第８図は第７図
における−線に沿つて展開した要部拡大断面
図である。
１……自動変速機、１０……変速機ケース、２
０……トルクコンバータ、３０……変速歯車機構
、４１〜４６……摩擦締結要素、４１ａ〜４６ａ
……油圧アクチユエータ、７０……コントロール
バルブユニツト、７１〜７４……アキユムレータ
、７２ｅ……蓄圧室、８５１……油圧供給通路（
第１通路）、８７……分岐油路、９０……オリフ
イス。
The drawings show an embodiment of the present invention, in which Fig. 1 is an overall vertical sectional side view of an automatic transmission, Fig. 2 is a schematic diagram of the automatic transmission, and Fig. 3 is a schematic diagram taken along the line shown in Fig. 1. Fig. 4 is a fragmentary plan view of the main part taken along the line in Fig. 3, Fig. 5 is a rear view of the partition section taken along the line in Fig. FIG. 7 is a side view of the main part of the partition wall as seen in FIG. It is. 1... Automatic transmission, 10... Transmission case, 2
0...Torque converter, 30...Speed gear mechanism, 41-46...Friction engagement element, 41a-46a
... Hydraulic actuator, 70 ... Control valve unit, 71 to 74 ... Accumulator, 72e ... Pressure accumulation chamber, 85 1 ... Hydraulic supply passage (
1st passage), 87...branch oil passage, 90...orifice.
Claims (1)
タと、該トルクコンバータの出力側に配置された
変速歯車機構と、該変速歯車機構の動力伝達経路
を切換える複数の摩擦締結要素と、これらの摩擦
締結要素を作動させる油圧アクチユエータに油圧
供給通路を介して油圧の給排を制御するコントロ
ールバルブユニツトと、該コントロールバルブユ
ニツトから離れた変速機ケースの所定位置に設け
られ、且つ上記油圧供給通路に分岐油路を介して
接続されたアキユムレータとを有する自動変速機
の油圧回路であつて、上記アキユムレータの蓄圧
室側より分岐油路側への油圧の流れに対して絞り
機能を有する一方向オリフイスが上記変速機ケー
スにおけるアキユムレータ近傍の分岐油路に形成
されていることを特徴とする自動変速機の油圧回
路。 A torque converter connected to the output shaft of the engine, a speed change gear mechanism disposed on the output side of the torque converter, a plurality of friction engagement elements for switching the power transmission path of the speed change gear mechanism, and these friction engagement elements. A control valve unit that controls the supply and discharge of hydraulic pressure to the hydraulic actuator to be operated via a hydraulic pressure supply passage, and a control valve unit that is provided at a predetermined position in the transmission case remote from the control valve unit, and a branch oil passage is provided in the hydraulic pressure supply passage. A hydraulic circuit for an automatic transmission having an accumulator connected through the transmission case, wherein a one-way orifice having a throttle function for the flow of hydraulic pressure from the pressure accumulation chamber side of the accumulator to the branch oil path side is provided in the transmission case. A hydraulic circuit for an automatic transmission, characterized in that the hydraulic circuit is formed in a branch oil passage near an accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10066390U JPH0456962U (en) | 1990-09-25 | 1990-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10066390U JPH0456962U (en) | 1990-09-25 | 1990-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0456962U true JPH0456962U (en) | 1992-05-15 |
Family
ID=31843471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10066390U Pending JPH0456962U (en) | 1990-09-25 | 1990-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0456962U (en) |
-
1990
- 1990-09-25 JP JP10066390U patent/JPH0456962U/ja active Pending
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