JPH01104470U

JPH01104470U -

Info

Publication number: JPH01104470U
Application number: JP20106987U
Authority: JP
Priority date: 1987-12-29
Filing date: 1987-12-29
Publication date: 1989-07-14

Description

[Brief explanation of the drawing]

第１図は本考案による自動変速機の潤滑冷却油
路の一実施例における主要部の構造を表す断面図
、第２図に本考案の対象となつた自動変速機の機
構概念図、第３図はその従来の破断構造を表す断
面図である。又、図中の符号で１１はエンジン、１２はクラ
ンク軸、１３はトルクコンバータ、１４はインペ
ラ、１５はタービン、１６はステータ、１７，２
５は一方向クラツチ、１８は変速機ケース、１９
は変速機入力軸、２０はフロントクラツチ、２１
はリヤクラツチ、２２は４連クラツチ、２３はキ
ツクダウンブレーキ、２４はローリバースブレー
キ、２５は一方向クラツチ、２６はラビニヨ型遊
星歯車装置、３６はオイルポンプ、３７は油圧分
配通路、３８，４７は潤滑冷却通路、３９はリア
クシヨン軸、４０は油圧連通路、４１はリアクシ
ヨンサポート、４２は油圧供給通路、４３は分岐
通路、４４は圧油導入通路、４５はリヤクラツチ
のリテーナ、４６はスラスト軸受、４８は絞り通
路、４９はプラグ、５０はボールプラグである。 FIG. 1 is a cross-sectional view showing the structure of the main parts of an embodiment of the lubricating and cooling oil passage of an automatic transmission according to the present invention, FIG. 2 is a conceptual diagram of the mechanism of the automatic transmission that is the subject of the present invention, and FIG. The figure is a sectional view showing the conventional broken structure. Also, in the figure, 11 is the engine, 12 is the crankshaft, 13 is the torque converter, 14 is the impeller, 15 is the turbine, 16 is the stator, 17, 2
5 is a one-way clutch, 18 is a transmission case, 19
is the transmission input shaft, 20 is the front clutch, 21
is a rear clutch, 22 is a quadruple clutch, 23 is a kick-down brake, 24 is a low reverse brake, 25 is a one-way clutch, 26 is a Ravigneaux type planetary gear system, 36 is an oil pump, 37 is a hydraulic distribution passage, 38 and 47 are Lubrication cooling passage, 39 is a reaction shaft, 40 is a hydraulic communication passage, 41 is a reaction support, 42 is a hydraulic pressure supply passage, 43 is a branch passage, 44 is a pressure oil introduction passage, 45 is a rear clutch retainer, 46 is a thrust bearing, 48 is a throttle passage, 49 is a plug, and 50 is a ball plug.

Claims

[Scope of utility model registration request]

A torque converter with a front cover integrated with an impeller connected to the crankshaft side of the engine,
A transmission input shaft connected to the turbine of the torque converter; a hollow reaction shaft; a reaction support that is integrally fitted around the outer periphery of the reaction shaft and fixed to the transmission case; and a plurality of sets of frictional engagement elements and ravignon that are connected to the transmission input shaft. In an automatic transmission equipped with a gear transmission having a type planetary gear device, a hydraulic supply passage connected to a hydraulic supply source and supplied with pressure oil is bored in the reaction support, and a hydraulic supply passage is provided in the middle of the hydraulic supply passage. A hydraulic communication passage is bored in the reaction shaft and communicates with a branch passage bored in the reaction shaft, and pressure oil from the hydraulic pressure supply passage is supplied through the hydraulic communication passage, and this pressure oil is transferred to the gear transmission. a lubrication cooling passage for supplying the pressurized oil to a portion of the frictional engagement element in the hydraulic pressure supply passage downstream of the branch passage; A lubrication and cooling oil passage for an automatic transmission, characterized in that the oil pressure supply passage between the lubrication and cooling passage and the branch passage is provided with a restriction.