JPH034968U - - Google Patents
Info
- Publication number
- JPH034968U JPH034968U JP6562389U JP6562389U JPH034968U JP H034968 U JPH034968 U JP H034968U JP 6562389 U JP6562389 U JP 6562389U JP 6562389 U JP6562389 U JP 6562389U JP H034968 U JPH034968 U JP H034968U
- Authority
- JP
- Japan
- Prior art keywords
- friction element
- actuator
- hydraulic pressure
- automatic transmission
- stroke
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Control Of Transmission Device (AREA)
Description
第１図はこの考案による自動変速機の液圧制御
装置の概念図、第２図は液圧制御装置の具体例の
構成図、第３図はアクチユエータの構成図、第４
図はアキユムレータの構成図、第５図ａ，ｂは摩
擦要素とアキユムレータの配置図と、変速中の摩
擦要素とアキユムレータの供給圧に対する挙動の
タイムスケール図である。
１……摩擦要素、２……液圧供給回路、３……
ソレノイドバルブ、４……アキユムレータ、５…
…マイクロコンピユータ。なお、図中同一符号は
同一又は相当部分を示す。
Fig. 1 is a conceptual diagram of the hydraulic pressure control device for an automatic transmission according to this invention, Fig. 2 is a block diagram of a specific example of the hydraulic pressure control device, Fig. 3 is a block diagram of the actuator, and Fig. 4 is a block diagram of a specific example of the hydraulic pressure control device.
5 is a configuration diagram of an accumulator, and FIGS. 5a and 5b are layout diagrams of a friction element and an accumulator, and a time scale diagram of the behavior of the friction element and an accumulator with respect to supply pressure during gear shifting. 1... Friction element, 2... Hydraulic pressure supply circuit, 3...
Solenoid valve, 4...Accumulator, 5...
...Microcomputer. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
ことにより、変速段の切換えが行なわれる自動変
速機において、上記摩擦要素の液圧供給回路中に
設けられ、摩擦要素への作動液供給料を制御する
アクチユエータと、摩擦要素のストロークを間接
的に計測するアキユムレータと、上記アクチユエ
ータの吐出量を制御するアクチユエータ制御手段
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。 In an automatic transmission in which gears are changed by engaging or releasing a hydraulically operated friction element, the system is provided in a hydraulic pressure supply circuit of the friction element and controls the hydraulic fluid supply to the friction element. 1. A hydraulic pressure control device for an automatic transmission, comprising: an actuator that indirectly measures the stroke of a friction element; an accumulator that indirectly measures the stroke of a friction element; and actuator control means that controls a discharge amount of the actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6562389U JPH034968U (en) | 1989-06-05 | 1989-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6562389U JPH034968U (en) | 1989-06-05 | 1989-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH034968U true JPH034968U (en) | 1991-01-18 |
Family
ID=31597615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6562389U Pending JPH034968U (en) | 1989-06-05 | 1989-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH034968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4977601U (en) * | 1972-10-23 | 1974-07-05 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61119435A (en) * | 1984-11-16 | 1986-06-06 | Toyota Motor Corp | Speed change control method of automatic transmission for vehicle |
-
1989
- 1989-06-05 JP JP6562389U patent/JPH034968U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61119435A (en) * | 1984-11-16 | 1986-06-06 | Toyota Motor Corp | Speed change control method of automatic transmission for vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4977601U (en) * | 1972-10-23 | 1974-07-05 |
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