Viscous fluid coupling

Details Viscous fluid coupling Viscous fluid coupling

1980-01-03

1982-02-02

Herrmann, Allan D.

192 clutches and power-stop control

Clutches

Fluent material

192 82T, F16D 4325, F16D 3500

Patent

active

043135315

ABSTRACT:
A viscous fluid coupling including a rotatable casing provided with a fluid operating chamber and a fluid reservoir chamber therein and having an axial opening formed in said casing, a rotor located in the fluid operating chamber and rotatable relative to the casing, a valve shaft rotatably received in the axial opening formed in the casing, a valve member 27 fixed to an inner end of the valve shaft and operable to control fluid communication between the fluid operating chamber and the fluid reservoir chamber, a bimetal coil located on an exterior portion of the casing, the bimetal coil being connected at inner and outer ends thereof to an outer end of the valve shaft and the casing, respectively, and a plurality of sealing rings axially spaced and interposed between the outer periphery of the valve shaft and a wall of the opening wherein the sealing rings include a resilient material.

REFERENCES:
patent: 3011754 (1961-12-01), Ander
patent: 3559786 (1971-02-01), Long, Jr.
patent: 4103765 (1978-08-01), Tinholt
patent: 4188785 (1980-02-01), Ando
patent: 4190140 (1980-02-01), Konkle

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