JPH01111853U - - Google Patents
Info
- Publication number
- JPH01111853U JPH01111853U JP699988U JP699988U JPH01111853U JP H01111853 U JPH01111853 U JP H01111853U JP 699988 U JP699988 U JP 699988U JP 699988 U JP699988 U JP 699988U JP H01111853 U JPH01111853 U JP H01111853U
- Authority
- JP
- Japan
- Prior art keywords
- backward
- pressure
- hydraulic pressure
- friction element
- circuit
- 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 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Control Of Transmission Device (AREA)
Description
第１図は本考案の一実施例を示す概略構成図、
第２図は本考案の機能を説明するための各特性図
、第３図は従来の自動変速機の液圧制御装置を示
す概略構成図、第４図は従来の液圧制御装置の機
能を説明するための各特性図である。
１……マニユアルバルブ、３……摩擦要素、５
……回路、７……一方向オリフイス、１０……液
圧制御装置、１２……バイパス回路、１４……開
閉切換弁（開閉手段）。
FIG. 1 is a schematic configuration diagram showing an embodiment of the present invention;
Fig. 2 is a characteristic diagram for explaining the functions of the present invention, Fig. 3 is a schematic configuration diagram showing a conventional hydraulic pressure control device for an automatic transmission, and Fig. 4 is a diagram showing the functions of a conventional hydraulic pressure control device. It is each characteristic diagram for demonstrating. 1...Manual valve, 3...Friction element, 5
... circuit, 7 ... one-way orifice, 10 ... hydraulic pressure control device, 12 ... bypass circuit, 14 ... switching valve (opening and closing means).
Claims (1)
ルバルブと、 上記前進圧又は後退圧で締結される前進用摩擦
要素又は後退用摩擦要素と、 上記前進用および後退用の摩擦要素の少なくと
も１つと上記マニユアルバルブとを接続する回路
に設けられ、摩擦要素へ供給される液圧を絞る一
方向オリフイスと、を備えた自動変速機の液圧制
御装置において、 上記一方向オリフイスが設けられた回路に、該
一方向オリフイスを迂回するバイパス回路を設け
ると共に、該バイパス回路に、アクセル開度信号
により作動し所定以上のアクセル開度時に該バイ
パス回路を連通する開閉手段を設けたことを特徴
とする自動変速機の液圧制御装置。[Claims for Utility Model Registration] A manual valve that switches and outputs forward pressure or backward pressure; A forward friction element or a backward friction element that is engaged by the forward pressure or backward pressure; and A hydraulic pressure control device for an automatic transmission, comprising: a one-way orifice that is provided in a circuit connecting at least one of the friction elements and the manual valve and that throttles the hydraulic pressure supplied to the friction element; A bypass circuit that bypasses the one-way orifice is provided in the circuit provided with the one-way orifice, and the bypass circuit is provided with an opening/closing means that is activated by an accelerator opening signal and connects the bypass circuit when the accelerator opening exceeds a predetermined value. A hydraulic pressure control device for an automatic transmission characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP699988U JPH01111853U (en) | 1988-01-22 | 1988-01-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP699988U JPH01111853U (en) | 1988-01-22 | 1988-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01111853U true JPH01111853U (en) | 1989-07-27 |
Family
ID=31211639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP699988U Pending JPH01111853U (en) | 1988-01-22 | 1988-01-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01111853U (en) |
-
1988
- 1988-01-22 JP JP699988U patent/JPH01111853U/ja active Pending