JPH01165335U

JPH01165335U -

Info

Publication number: JPH01165335U
Application number: JP6179688U
Authority: JP
Priority date: 1988-05-11
Filing date: 1988-05-11
Publication date: 1989-11-20

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す概略構成図、
第２図は湿式クラツチの具体例を示す断面図であ
る。１……自動変速機、２……クラツチ、９……オ
イルクーラ、１４……吐出口、１５……クラツチ
ハウジング、１６……戻り口、１７……流入口、
１９……流出口、１８……送出通路、２０……戻
り通路、２１……バイパス通路、２２……切換弁
、２３……オイルフイルタ、１４……ヒータ、２
５……油温スイツチ。 FIG. 1 is a schematic configuration diagram showing an embodiment of the present invention;
FIG. 2 is a sectional view showing a specific example of a wet clutch. 1... Automatic transmission, 2... Clutch, 9... Oil cooler, 14... Discharge port, 15... Clutch housing, 16... Return port, 17... Inflow port,
19... Outlet, 18... Sending passage, 20... Return passage, 21... Bypass passage, 22... Switching valve, 23... Oil filter, 14... Heater, 2
5...Oil temperature switch.

Claims

[Scope of utility model registration request]

A delivery passage from an oil delivery port provided in a wet clutch for a mechanical automatic transmission to an inlet of an air-cooled oil cooler, and a return lead from an oil cooler outlet to an oil return port provided in the wet clutch. a passage, a bypass passage that bypasses the oil cooler and connects the delivery passage and the return passage, and a switching valve that closes the bypass passage only when the temperature of oil flowing through the delivery passage is equal to or higher than a predetermined value. , a machine comprising an oil filter and a heater installed in the sending passage or the return passage, and an oil temperature switch that operates the heater only when the temperature of the oil flowing in the passage upstream of the heater is below a predetermined value. Oil cooling system for wet clutches for automatic transmissions.