JPS647939U - - Google Patents
Info
- Publication number
- JPS647939U JPS647939U JP10378287U JP10378287U JPS647939U JP S647939 U JPS647939 U JP S647939U JP 10378287 U JP10378287 U JP 10378287U JP 10378287 U JP10378287 U JP 10378287U JP S647939 U JPS647939 U JP S647939U
- Authority
- JP
- Japan
- Prior art keywords
- frictional engagement
- control device
- shift valve
- gear
- returning
- 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
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 9
- 230000001052 transient effect Effects 0.000 description 1
Landscapes
- Control Of Transmission Device (AREA)
Description
第１図は、本考案の実施例に係る油圧制御装置
の要部を示す概略ブロツク図、第２図は、上記実
施例における出力軸トルクと摩擦係合装置の係合
圧を示した変速過渡特性線図、第３図は、上記実
施例が適用されている車両用自動変速機の全体ス
ケルトン図、第４図は、上記自動変速機での摩擦
係合装置の作動状態を示す線図、第５図は同じく
制御系の入出力関係を示す線図、第６図は、第１
図のシフトバルブ及びドレンコントロールバルブ
付近を詳細に示した要部油圧回路図、第７図は、
本考案の第２実施例を示すドレンコントロールバ
ルブ付近の要部油圧回路図である。
１０１……シフトバルブ、１０２……摩擦係合
装置、１０９，１０９Ａ……ドレンコントロール
バルブ、１１２……チエツクバルブ、１１３，１
１４……オリフイス、１１８……バイパス油路。
FIG. 1 is a schematic block diagram showing the main parts of a hydraulic control device according to an embodiment of the present invention, and FIG. 2 is a shift transient diagram showing the output shaft torque and the engagement pressure of the friction engagement device in the above embodiment. A characteristic diagram, FIG. 3 is an overall skeleton diagram of a vehicle automatic transmission to which the above embodiment is applied, and FIG. 4 is a diagram showing the operating state of the frictional engagement device in the automatic transmission. Figure 5 is a diagram showing the input/output relationship of the control system, and Figure 6 is a diagram showing the input/output relationship of the control system.
Figure 7 is a hydraulic circuit diagram of the main parts showing the vicinity of the shift valve and drain control valve in detail.
FIG. 3 is a hydraulic circuit diagram of main parts near a drain control valve showing a second embodiment of the present invention. 101...Shift valve, 102...Friction engagement device, 109, 109A...Drain control valve, 112...Check valve, 113,1
14...Orifice, 118...Bypass oil passage.
Claims (1)
、油圧制御装置のシフトバルブを切換えることに
よつて前記摩擦係合装置の係合を選択的に切換え
、複数個の変速段のうちのいずれかが達成される
ように構成した車両用自動変速機の変速制御装置
において、 変速中の所定時期から前記摩擦係合装置の係合
を切換えるための前記シフトバルブを少なくとも
１回一時的に前変速段側に戻す手段と、 前記戻し手段が機能している時か否かを検出す
る手段と、 前記シフトバルブのドレン速度を、少なくとも
前記戻し手段が機能している間、それ以外の時よ
り遅く調整する手段と、 を備えたことを特徴とする車両用自動変速機の変
速制御装置。[Claims for Utility Model Registration] A gear transmission mechanism and a plurality of frictional engagement devices are provided, the engagement of the frictional engagement devices is selectively switched by switching a shift valve of a hydraulic control device, and a plurality of frictional engagement devices are provided. In the shift control device for a vehicle automatic transmission configured to achieve any one of the following gears, the shift valve is configured to switch the engagement of the frictional engagement device from a predetermined time during gear shifting. means for temporarily returning to the previous gear at least once; means for detecting whether or not the returning means is functioning; and means for controlling the drain speed of the shift valve at least once when the returning means is functioning. 1. A gear change control device for an automatic transmission for a vehicle, comprising: means for adjusting the speed at a lower speed than at other times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10378287U JPH0520923Y2 (en) | 1987-07-06 | 1987-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10378287U JPH0520923Y2 (en) | 1987-07-06 | 1987-07-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS647939U true JPS647939U (en) | 1989-01-17 |
| JPH0520923Y2 JPH0520923Y2 (en) | 1993-05-28 |
Family
ID=31334920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10378287U Expired - Lifetime JPH0520923Y2 (en) | 1987-07-06 | 1987-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0520923Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011111434A1 (en) * | 2010-03-11 | 2011-09-15 | アイシン・エィ・ダブリュ株式会社 | Automatic transmission hydraulic control device |
-
1987
- 1987-07-06 JP JP10378287U patent/JPH0520923Y2/ja not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011111434A1 (en) * | 2010-03-11 | 2011-09-15 | アイシン・エィ・ダブリュ株式会社 | Automatic transmission hydraulic control device |
| JP2011190824A (en) * | 2010-03-11 | 2011-09-29 | Aisin Aw Co Ltd | Hydraulic control apparatus of automatic transmission |
| US8292771B2 (en) | 2010-03-11 | 2012-10-23 | Aisin Aw Co., Ltd. | Hydraulic control apparatus of automatic transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0520923Y2 (en) | 1993-05-28 |
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