Viscous fluid coupling device

Details Viscous fluid coupling device Viscous fluid coupling device

1979-11-07

1981-11-03

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Fluent material

192 82T, F16D 3500, F16D 4325

Patent

active

042981115

ABSTRACT:
A viscous fluid coupling device for use in automotive vehicles includes an input member driven by a vehicle engine and having a rotor thereon, a reservoir chamber for the viscous fluid and an operating chamber for accommodating the rotor which chambers are formed by a partition plate within an output member rotatable relative to the input member, first passage means formed on the partition plate for sending the viscous fluid from the operating chamber to the reservoir chamber, second and third passage means for communicating the viscous fluid from the reservoir chamber to the operating chamber, and thermal responsive means for opening and closing the second and third passage means in response to the change of temperature.

REFERENCES:
patent: 3159254 (1964-12-01), Weir
patent: 3463282 (1969-08-01), Fujita et al.
patent: 3587801 (1971-06-01), Riner
patent: 3809197 (1974-05-01), Clancey
patent: 3856122 (1974-12-01), Leichliter
patent: 3972399 (1976-08-01), Bopp
patent: 4060158 (1977-11-01), Kiruchi

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