JPS6360747U - - Google Patents
Info
- Publication number
- JPS6360747U JPS6360747U JP1986154726U JP15472686U JPS6360747U JP S6360747 U JPS6360747 U JP S6360747U JP 1986154726 U JP1986154726 U JP 1986154726U JP 15472686 U JP15472686 U JP 15472686U JP S6360747 U JPS6360747 U JP S6360747U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- line pressure
- solenoid valve
- engagement element
- frictional 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
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Landscapes
- Control Of Transmission Device (AREA)
Description
第１図は本考案にかかる自動変速機の液圧制御
装置の概念を示すブロツク図、第２図は本考案の
一実施例を示す液圧制御装置の要部構成図、第３
図は本考案にかかる自動変速機のギヤトレーンの
一実施例を示す概略構成図、第４図は本考案の液
圧制御装置に用いられるライン圧調圧手段の一実
施例を示す要部構成図、第５図は本考案の液圧制
御装置を制御するためのプログラムの一処理例を
示すフローチヤート、第６図は従来の自動変速機
の液圧制御装置の要部構成図である。
１０……液圧制御装置、１２……オーバーラン
クラツチ（摩擦係合要素）、１４……締結圧供給
回路、２０……切換弁、２２……マイクロコンピ
ユータ、２４……ソレノイドバルブ、２６……元
圧回路、４６……信号圧回路、７０……故障検出
手段、７４……ライン圧補足手段、７２……ライ
ン圧調圧手段。
FIG. 1 is a block diagram showing the concept of a hydraulic pressure control device for an automatic transmission according to the present invention, FIG.
Fig. 4 is a schematic diagram showing an embodiment of the gear train of an automatic transmission according to the present invention, and Fig. 4 is a schematic diagram showing an embodiment of the line pressure regulating means used in the hydraulic pressure control device of the present invention. , FIG. 5 is a flowchart showing an example of processing of a program for controlling the hydraulic pressure control device of the present invention, and FIG. 6 is a block diagram of main parts of a conventional hydraulic pressure control device for an automatic transmission. DESCRIPTION OF SYMBOLS 10... Hydraulic pressure control device, 12... Overrun clutch (friction engagement element), 14... Engaging pressure supply circuit, 20... Switching valve, 22... Microcomputer, 24... Solenoid valve, 26... Source pressure circuit, 46... Signal pressure circuit, 70... Failure detection means, 74... Line pressure supplementing means, 72... Line pressure regulating means.
Claims (1)
素と、 元圧から信号圧を作り出すソレノイドバルブと
、 ライン圧値に応じて切換えられ、ライン圧が所
定値より低いときに前記信号圧を通過させて前記
摩擦係合要素を制御すると共に、ライン圧が所定
値より高いときに前記信号圧を遮断して前記摩擦
係合要素を解除側に切換える切換弁と、 を備えた自動変速機の液圧制御装置において、 前記ソレノイドバルブの故障を検出する手段と
、 該故障検出手段でソレノイドバルブの異常が認
められた際、ライン圧調圧手段を駆動してライン
圧を前記切換弁の切換基準となる所定圧以上に設
定するライン圧補足手段と、 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 frictional engagement element that is to be engaged at a position other than a specific gear, a solenoid valve that generates a signal pressure from the source pressure, and a solenoid valve that is switched according to the line pressure value so that the line pressure is lower than a predetermined value. a switching valve that controls the frictional engagement element by passing the signal pressure when the line pressure is low, and cuts off the signal pressure and switches the frictional engagement element to a release side when the line pressure is higher than a predetermined value; A hydraulic pressure control device for an automatic transmission, comprising: means for detecting a failure in the solenoid valve; and when the failure detection means detects an abnormality in the solenoid valve, driving a line pressure regulating means to reduce the line pressure. A hydraulic pressure control device for an automatic transmission, comprising: line pressure supplementary means for setting the line pressure to a predetermined pressure or higher that serves as a switching reference for the switching valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986154726U JPH058380Y2 (en) | 1986-10-08 | 1986-10-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986154726U JPH058380Y2 (en) | 1986-10-08 | 1986-10-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6360747U true JPS6360747U (en) | 1988-04-22 |
| JPH058380Y2 JPH058380Y2 (en) | 1993-03-02 |
Family
ID=31074786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986154726U Expired - Lifetime JPH058380Y2 (en) | 1986-10-08 | 1986-10-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH058380Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0242258A (en) * | 1988-07-29 | 1990-02-13 | Mazda Motor Corp | Speed change control device of automatic transmission |
| JP2006349112A (en) * | 2005-06-17 | 2006-12-28 | Aisin Aw Co Ltd | Shift controller |
| US9388568B2 (en) | 2007-04-06 | 2016-07-12 | Pacific Coast Building Products, Inc. | Acoustical sound proofing material with improved fracture characteristics and methods for manufacturing same |
| US9387649B2 (en) | 2007-06-28 | 2016-07-12 | Pacific Coast Building Products, Inc. | Methods of manufacturing acoustical sound proofing materials with optimized fracture characteristics |
-
1986
- 1986-10-08 JP JP1986154726U patent/JPH058380Y2/ja not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0242258A (en) * | 1988-07-29 | 1990-02-13 | Mazda Motor Corp | Speed change control device of automatic transmission |
| JP2006349112A (en) * | 2005-06-17 | 2006-12-28 | Aisin Aw Co Ltd | Shift controller |
| JP4618011B2 (en) * | 2005-06-17 | 2011-01-26 | アイシン・エィ・ダブリュ株式会社 | Shift control device |
| US9388568B2 (en) | 2007-04-06 | 2016-07-12 | Pacific Coast Building Products, Inc. | Acoustical sound proofing material with improved fracture characteristics and methods for manufacturing same |
| US9387649B2 (en) | 2007-06-28 | 2016-07-12 | Pacific Coast Building Products, Inc. | Methods of manufacturing acoustical sound proofing materials with optimized fracture characteristics |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH058380Y2 (en) | 1993-03-02 |
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