JPH03360U - - Google Patents

Info

Publication number
JPH03360U
JPH03360U JP6081389U JP6081389U JPH03360U JP H03360 U JPH03360 U JP H03360U JP 6081389 U JP6081389 U JP 6081389U JP 6081389 U JP6081389 U JP 6081389U JP H03360 U JPH03360 U JP H03360U
Authority
JP
Japan
Prior art keywords
hydraulic
switching
state
throttle
area
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
Application number
JP6081389U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP6081389U priority Critical patent/JPH03360U/ja
Publication of JPH03360U publication Critical patent/JPH03360U/ja
Pending legal-status Critical Current

Links

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  • Control Of Transmission Device (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図、第２図は本考案の一実施例を示す要部
系統図、第３図、第４図は本考案の他の実施例を
示す要部系統図。 １：アクチユエータ（摩擦締結要素）、２：下
流側通路、３：上流側通路、５：メイン通路、６
：バイパス通路、Ｂ１：切換手段、１１：弁室、
１２：弁体、１２ａ：底壁部（感圧部）、１２ｂ
：側壁部（開閉部）、１３：絞り、Ｂ２：切換手
段、２１：スプール（弁体）、２１ａ：第１ラン
ド部（開閉部）、２１ｂ：第２ランド部（感圧部
）、２３：パイロツト通路、２４，２５：絞り。 FIGS. 1 and 2 are system diagrams of essential parts showing one embodiment of the present invention, and FIGS. 3 and 4 are system diagrams of main parts showing other embodiments of the invention. 1: Actuator (frictional fastening element), 2: Downstream passage, 3: Upstream passage, 5: Main passage, 6
: bypass passage, B1: switching means, 11: valve chamber,
12: Valve body, 12a: Bottom wall part (pressure sensitive part), 12b
: Side wall part (opening/closing part), 13: Throttle, B2: Switching means, 21: Spool (valve body), 21a: First land part (opening/closing part), 21b: Second land part (pressure sensitive part), 23: Pilot passage, 24, 25: Aperture.

Claims (1)

【実用新案登録請求の範囲】 多段変速歯車機構に付設された摩擦締結要素の
作動状態を切換えることにより、該多段変速歯車
機構の動力伝達経路を切換えるようにした自動変
速機において、 前記摩擦締結要素に対する作動油供給用の油圧
通路面積を、有効開口面積の小さな第１状態と、
有効開口面積の大きな第２状態とに切換える切換
手段が設けられ、 前記切換手段は、作動油の粘度変化に起因して
圧力変化を生じさせる絞りと、該絞りによつて圧
力変化される部位に臨む感圧部を有して前記油圧
通路面積を調整する弁体と、を備えている、 ことを特徴とする自動変速機の油圧制御装置。[Claims for Utility Model Registration] An automatic transmission in which a power transmission path of a multi-speed gear mechanism is switched by switching the operating state of a friction engagement element attached to the multi-speed gear mechanism, comprising: A hydraulic passage area for supplying hydraulic oil to a first state with a small effective opening area;
A switching means is provided for switching to a second state in which the effective opening area is large, and the switching means includes a throttle that causes a pressure change due to a change in the viscosity of the hydraulic oil, and a part that changes the pressure by the throttle. A hydraulic control device for an automatic transmission, comprising: a valve body that has a facing pressure sensitive part and adjusts the area of the hydraulic passageway.
JP6081389U 1989-05-25 1989-05-25 Pending JPH03360U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6081389U JPH03360U (en) 1989-05-25 1989-05-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6081389U JPH03360U (en) 1989-05-25 1989-05-25

Publications (1)

Publication Number Publication Date
JPH03360U true JPH03360U (en) 1991-01-07

Family

ID=31588507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6081389U Pending JPH03360U (en) 1989-05-25 1989-05-25

Country Status (1)

Country Link
JP (1) JPH03360U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000035121A (en) * 1998-05-11 2000-02-02 Toyota Motor Corp Transmission control device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01153373A (en) * 1987-12-09 1989-06-15 Sumitomo Electric Ind Ltd Flow regulating valve

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01153373A (en) * 1987-12-09 1989-06-15 Sumitomo Electric Ind Ltd Flow regulating valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000035121A (en) * 1998-05-11 2000-02-02 Toyota Motor Corp Transmission control device

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