JPH01178264U - - Google Patents
Info
- Publication number
- JPH01178264U JPH01178264U JP7569688U JP7569688U JPH01178264U JP H01178264 U JPH01178264 U JP H01178264U JP 7569688 U JP7569688 U JP 7569688U JP 7569688 U JP7569688 U JP 7569688U JP H01178264 U JPH01178264 U JP H01178264U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- accumulator
- accumulator chamber
- servo hydraulic
- communicates
- 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 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Landscapes
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Control Of Transmission Device (AREA)
Description
第１図は本考案によるアキユームレータの一つ
の実施例を示す縦断面図、第２図はサーボ油圧の
経時的変化を示すグラフ、第３図は出力軸トルク
の経時的変化を示すグラフである。
１０……シリンダボア、１２……大径室、１４
……小径室、１６……ピストン、１８……大径ピ
ストンランド、２０……小径ピストンランド、２
４……アキユームレータ室、２６……背圧室、２
８……ドレン室、３０……第一のサーボ油圧通路
、３２……背圧通路、３４……ドレン通路、３６
……オリフイス部材、３８……第二のサーボ油圧
通路、４０……圧縮コイルばね、４２，４４……
Ｏリング。
Fig. 1 is a longitudinal sectional view showing one embodiment of the accumulator according to the present invention, Fig. 2 is a graph showing changes in servo oil pressure over time, and Fig. 3 is a graph showing changes in output shaft torque over time. be. 10...Cylinder bore, 12...Large diameter chamber, 14
...Small diameter chamber, 16...Piston, 18...Large diameter piston land, 20...Small diameter piston land, 2
4... Accumulator room, 26... Back pressure room, 2
8... Drain chamber, 30... First servo hydraulic passage, 32... Back pressure passage, 34... Drain passage, 36
... Orifice member, 38 ... Second servo hydraulic passage, 40 ... Compression coil spring, 42, 44 ...
O-ring.
Claims (1)
ンを有し、前記ピストンの一方の側にアキユーム
レータ室が設けられ、前記アキユームレータ室に
摩擦係合装置のサーボ油圧が及ぼされるよう構成
された自動変速機用油圧制御装置のアキユームレ
ータに於て、前記ピストンの移動位置に拘らず常
にアキユームレータ室に連通する第一のサーボ油
圧通路と、前記アキユームレータ室の側壁に開口
し前記ピストンが初期位置と所定の中間移動位置
との間にある時には前記ピストンにより閉じられ
前記ピストンが前記所定の中間移動位置とストロ
ークエンド位置との間にある時には前記アキユー
ムレータ室に連通する第二のサーボ油圧通路とを
有していることを特徴とするアキユームレータ。 The automatic motor has a piston movable in the axial direction within a cylinder bore, an accumulator chamber is provided on one side of the piston, and the servo hydraulic pressure of a frictional engagement device is applied to the accumulator chamber. In an accumulator of a hydraulic control device for a transmission, there is provided a first servo hydraulic passage that always communicates with the accumulator chamber regardless of the movement position of the piston, and a first servo hydraulic passage that opens in a side wall of the accumulator chamber and that communicates with the piston. is closed by the piston when the piston is between the initial position and a predetermined intermediate movement position, and communicates with the accumulator chamber when the piston is between the predetermined intermediate movement position and the stroke end position. An accumulator characterized by having a servo hydraulic passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7569688U JPH01178264U (en) | 1988-06-07 | 1988-06-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7569688U JPH01178264U (en) | 1988-06-07 | 1988-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01178264U true JPH01178264U (en) | 1989-12-20 |
Family
ID=31300753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7569688U Pending JPH01178264U (en) | 1988-06-07 | 1988-06-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01178264U (en) |
-
1988
- 1988-06-07 JP JP7569688U patent/JPH01178264U/ja active Pending
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