JPH03123154U - - Google Patents
Info
- Publication number
- JPH03123154U JPH03123154U JP3102390U JP3102390U JPH03123154U JP H03123154 U JPH03123154 U JP H03123154U JP 3102390 U JP3102390 U JP 3102390U JP 3102390 U JP3102390 U JP 3102390U JP H03123154 U JPH03123154 U JP H03123154U
- Authority
- JP
- Japan
- Prior art keywords
- rotation speed
- deceleration
- detecting
- engaging
- friction element
- 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 2
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Control Of Transmission Device (AREA)
Description
第１図は本考案の構成を示す機能ブロツク図、
第２図は本考案の一実施例を示すオーバーランク
ラツチの油圧回路図、第３図はスプール弁が動い
た状態を示す図、第４図は制御内容を示すフロー
チヤート、第５図は締結トルクの変化の様子を示
す図、第６図はギアトレインの概略図である。
５……オーバーランクラツチ、１０……スプー
ル弁、１７……電磁弁、１８……コントロールユ
ニツト、１９……ポンプ回転センサ、２０……タ
ービン回転センサ。
Figure 1 is a functional block diagram showing the configuration of the present invention.
Fig. 2 is a hydraulic circuit diagram of an overrun clutch showing an embodiment of the present invention, Fig. 3 is a diagram showing the state in which the spool valve is in operation, Fig. 4 is a flow chart showing the control contents, and Fig. 5 is a diagram showing the operation of the spool valve. FIG. 6, which is a diagram showing how the torque changes, is a schematic diagram of the gear train. 5... Overrun clutch, 10... Spool valve, 17... Solenoid valve, 18... Control unit, 19... Pump rotation sensor, 20... Turbine rotation sensor.
Claims (1)
速時に締結操作されることによりエンジンブレー
キを作用させる摩擦要素を備える自動変速機にお
いて、 前記摩擦要素を締結操作する手段として、トル
クコンバータのポンプ回転数を検出するポンプ回
転数検出手段と、トルクコンバータのタービン回
転数を検出するタービン回転数検出手段と、ポン
プ回転数とタービン回転数とを比較してポンプ回
転数がタービン回転数を下回つたことにより減速
を検出する減速検出手段と、減速検出時点から前
記摩擦要素に対する締結用油圧を締結方向に徐々
に変化させる締結用油圧制御手段とを設けたこと
を特徴とする自動変速機の減速時制御装置。[Scope of Utility Model Registration Claim] In an automatic transmission equipped with a friction element in a gear train downstream of a torque converter that applies engine braking when engaged during deceleration, the means for engaging the friction element is driven by torque. Pump rotation speed detection means for detecting the pump rotation speed of the converter and turbine rotation speed detection means for detecting the turbine rotation speed of the torque converter compare the pump rotation speed and the turbine rotation speed to determine whether the pump rotation speed is the turbine rotation speed. an automatic transmission comprising: a deceleration detecting means for detecting deceleration due to a drop in the frictional element; and an engaging hydraulic pressure control means for gradually changing the engaging hydraulic pressure for the friction element in the engaging direction from the time when the deceleration is detected. Machine deceleration control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3102390U JPH03123154U (en) | 1990-03-28 | 1990-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3102390U JPH03123154U (en) | 1990-03-28 | 1990-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03123154U true JPH03123154U (en) | 1991-12-16 |
Family
ID=31533749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3102390U Pending JPH03123154U (en) | 1990-03-28 | 1990-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03123154U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5877960A (en) * | 1981-10-30 | 1983-05-11 | Mitsubishi Motors Corp | Hydraulic controller for automatic transmission |
-
1990
- 1990-03-28 JP JP3102390U patent/JPH03123154U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5877960A (en) * | 1981-10-30 | 1983-05-11 | Mitsubishi Motors Corp | Hydraulic controller for automatic transmission |
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