Method for lubricating/cooling transmission in motor vehicle

Endless belt power transmission systems or components – Pulley with belt-receiving groove formed by drive faces on... – Including lubrication or particular guide or bearing for...

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474 91, F16H 5705

Patent

active

056055137

ABSTRACT:
Method for lubricating and/or cooling a transmission unit, in particular a transmission unit of the type which makes use of a continuously variable transmission (2) with pulleys (5-6) and an endless transmission element (7) provided in between, at least one hydraulic cylinder/piston unit (13) with a pressure chamber (15) which cooperates with the continuously variable transmission (2), and a pressure compensation chamber (23) cooperating with the above-mentioned pressure chamber (15), wherein at least part of the hydraulic medium coming out of the pressure compensation chamber (23) is guided back via a number of parts of the transmission unit (1) to be lubricated and/or cooled, so as to provide for the lubrication and/or cooling of these parts.

REFERENCES:
patent: 1771835 (1930-07-01), Bartlett
patent: 2288114 (1942-06-01), Smith
patent: 3052132 (1962-09-01), Dittrich et al.
patent: 3280649 (1966-10-01), Bruet
patent: 4494942 (1985-01-01), Hirano et al.
patent: 4850938 (1989-07-01), Yamada
patent: 5033989 (1991-07-01), Shimaguchi
patent: 5273492 (1993-12-01), Kashiwase et al.

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