JPS628455U - - Google Patents
Info
- Publication number
- JPS628455U JPS628455U JP4016186U JP4016186U JPS628455U JP S628455 U JPS628455 U JP S628455U JP 4016186 U JP4016186 U JP 4016186U JP 4016186 U JP4016186 U JP 4016186U JP S628455 U JPS628455 U JP S628455U
- Authority
- JP
- Japan
- Prior art keywords
- friction element
- speed
- hydraulic
- friction
- engagement
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Control Of Transmission Device (AREA)
Description
第１図は本考案の一実施例を示す車両用自動変
速機のパワートレーン図、第２図は上記自動変速
機における各摩擦係合装置の係合状態をセレクト
レバー位置との関係で示した作動エレメント図、
第３図は同実施例のトルクコンバータ及び直結ク
ラツチの断面図、第４図は上記自動変速機の油圧
制御装置を示す系統図、第５図は上記実施例に採
用された電気油圧変換装置の制御硫性を示す油圧
線図、第６図は上記実施例のシフト弁の切換制御
装置と出力油圧Ｐ３と変速段との関係を示す図、
第７図は出力油圧Ｐ２の油圧特性図、第８図は出
力油圧Ｐ２の時間変化図、第９図、第１０図、第
１１図及び第１２図は変速時の速度変化を示す図
である。
１…エンジン、１０…入力軸、１１，１２，１
３…クラツチ、１４，１５…ブレーキ、１７…ラ
ビニオ型遊星歯車組、２４…出力軸、５０…調圧
弁、１１０…減圧弁、１５０…手動弁、１７０…
１速―２速シフト弁、１９０…２速―３速シフト
弁、２１０…３速―４速シフト弁、２３０…４速
クラツチ制御弁、２５０…油圧制御弁、２７０…
オリフイス制御弁、２９０…電子制御装置、３０
０，３１０，３２０…ソレノイド弁、３３０…エ
ンジン負荷検出装置、３３１，３３２，３３３…
回転数検出装置、３３４…油温検出装置、３４１
…セレクトレバーの選定位置検出装置、３４２…
補助スイツチの選定位置検出装置、３４０…電気
油圧変換装置。
Fig. 1 is a power train diagram of an automatic transmission for a vehicle showing an embodiment of the present invention, and Fig. 2 shows the engagement state of each frictional engagement device in the above automatic transmission in relation to the select lever position. Working element diagram,
FIG. 3 is a sectional view of the torque converter and direct coupling clutch of the same embodiment, FIG. 4 is a system diagram showing the hydraulic control device of the automatic transmission, and FIG. 5 is a diagram of the electro-hydraulic converter adopted in the above embodiment. Fig. 6 is a hydraulic diagram showing the control suction property; Fig. 6 is a diagram showing the relationship between the shift valve switching control device of the above embodiment, the output oil pressure P3 , and the gear stage;
Fig. 7 is a hydraulic characteristic diagram of output oil pressure P2 , Fig. 8 is a time change diagram of output oil pressure P2 , and Figs. 9, 10, 11, and 12 are diagrams showing speed changes during gear shifting. It is. 1...Engine, 10...Input shaft, 11, 12, 1
3...Clutch, 14, 15...Brake, 17...Ravigniot type planetary gear set, 24...Output shaft, 50...Pressure regulating valve, 110...Pressure reducing valve, 150...Manual valve, 170...
1st speed - 2nd speed shift valve, 190... 2nd speed - 3rd speed shift valve, 210... 3rd speed - 4th speed shift valve, 230... 4th speed clutch control valve, 250... Hydraulic pressure control valve, 270...
Orifice control valve, 290...electronic control device, 30
0,310,320...Solenoid valve, 330...Engine load detection device, 331,332,333...
Rotation speed detection device, 334...Oil temperature detection device, 341
...Select lever selection position detection device, 342...
Auxiliary switch selection position detection device, 340...Electro-hydraulic conversion device.
Claims (1)
摩擦要素を備え、第１速が第１の摩擦要素の係合
により、第２速が同第１摩擦要素と第２の摩擦要
素の係合により、第３速が上記第１摩擦要素及び
第３、第４の摩擦要素のいずれか２つの摩擦要素
の係合により、第４速が上記第２摩擦要素と第４
摩擦要素の係合によりそれぞれ達成され、第１速
から第２速への変速が上記第２摩擦要素の係合に
より達成され、第２速から第３速への変速が上記
第２摩擦要素の解放と第３摩擦要素の係合で達成
され、同第３摩擦要素の完全係合後に第４摩擦要
素を係合し、第３速から第４速への変速が予め上
記第１摩擦要素を解放した後の上記第３摩擦要素
の解放と第２摩擦要素の係合により達成され、第
４速から第３速への変速が上記第２摩擦要素の解
放と第３摩擦要素の係合により達成され、同第３
摩擦要素の完全係合後に上記第１摩擦要素を係合
し、第３速から第２速への変速が予め上記第４摩
擦要素を解放した後の上記第３摩擦要素の解放と
第２摩擦要素の係合により達成されるように構成
された自動変速機において、上記第２及び第３摩
擦要素への供給油圧のみ減圧制御する電気油圧交
換装置と、車両の運転状態を検出する検出装置と
、同検出装置からの信号に応じた制御信号を上記
電気油圧交換装置に与える電子制御装置とを備え
、変速時の短時間だけ車両の運転状態に応じた低
油圧を上記第２及び第３摩擦要素に供給するよう
に構成されたことを特徴とする自動変速機の油圧
制御装置。 (2) 上記電気油圧交換装置が、上記第２及び第
３摩擦要素へ油圧源からの圧油を供給する共通の
油路の途中に介装された油圧制御弁と、上記電子
制御装置からの制御信号を受けて上記油圧制御弁
を制御するための制御油圧を調整する非通電時閉
塞型のデユーテイ制御ソレノイド弁とを有するこ
とを特徴とする実用新案登録請求の範囲第１項記
載の自動変速機の油圧制御装置。[Claims for Utility Model Registration] (1) At least four friction elements actuated by hydraulic pressure, wherein the first speed is engaged with the first friction element and the second speed is engaged with the first friction element. Due to the engagement of the second friction element, the third speed is activated by the engagement of the first friction element and any two of the third and fourth friction elements, and the fourth speed is activated by the engagement of the second friction element. Fourth
A shift from the first speed to the second speed is achieved by the engagement of the second friction element, and a shift from the second speed to the third speed is achieved by the engagement of the second friction element. This is achieved by disengaging and engaging the third friction element, and after the third friction element is fully engaged, the fourth friction element is engaged, and the shift from the third gear to the fourth gear is achieved by the engagement of the first friction element in advance. This is achieved by releasing the third friction element and engaging the second friction element after the release, and shifting from fourth gear to third gear is achieved by releasing the second friction element and engaging the third friction element. Achieved, same third
After the friction elements are fully engaged, the first friction element is engaged, and the shift from the third speed to the second speed is performed by releasing the third friction element and second friction after previously releasing the fourth friction element. In an automatic transmission configured to be achieved by engagement of elements, an electro-hydraulic exchange device that controls pressure reduction of only the oil pressure supplied to the second and third friction elements, and a detection device that detects the operating state of the vehicle. , and an electronic control device that provides a control signal to the electro-hydraulic exchange device in accordance with a signal from the detection device, and controls the second and third frictions to apply a low oil pressure in accordance with the driving state of the vehicle for a short period of time during gear shifting. A hydraulic control device for an automatic transmission, characterized in that the hydraulic control device is configured to supply a hydraulic control device to an element. (2) The electro-hydraulic exchange device includes a hydraulic control valve interposed in the middle of a common oil path that supplies pressure oil from a hydraulic source to the second and third friction elements, and a hydraulic control valve that supplies pressure oil from a hydraulic source to the second and third friction elements. The automatic transmission according to claim 1, which is a utility model registered, characterized in that it has a duty control solenoid valve of a non-energized closed type that adjusts the control hydraulic pressure for controlling the hydraulic pressure control valve in response to a control signal. Machine hydraulic control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986040161U JPS6322360Y2 (en) | 1986-03-19 | 1986-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986040161U JPS6322360Y2 (en) | 1986-03-19 | 1986-03-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS628455U true JPS628455U (en) | 1987-01-19 |
| JPS6322360Y2 JPS6322360Y2 (en) | 1988-06-20 |
Family
ID=30853997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986040161U Expired JPS6322360Y2 (en) | 1986-03-19 | 1986-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6322360Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4859249A (en) * | 1971-11-29 | 1973-08-20 | ||
| JPS49121071A (en) * | 1973-03-29 | 1974-11-19 | ||
| JPS5547041A (en) * | 1978-09-30 | 1980-04-02 | Aisin Warner Ltd | Controller for automatic speed change gear |
-
1986
- 1986-03-19 JP JP1986040161U patent/JPS6322360Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4859249A (en) * | 1971-11-29 | 1973-08-20 | ||
| JPS49121071A (en) * | 1973-03-29 | 1974-11-19 | ||
| JPS5547041A (en) * | 1978-09-30 | 1980-04-02 | Aisin Warner Ltd | Controller for automatic speed change gear |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6322360Y2 (en) | 1988-06-20 |
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