Viscous shear coupling

Details Viscous shear coupling Viscous shear coupling

1988-07-21

1989-10-17

Pekar, John A.

Motor vehicles

Having four wheels driven

With differential means for driving two wheel sets at...

192 58C, B60K 17348, F16D 3106

Patent

active

048740586

ABSTRACT:
A viscous shear coupling includes a housing and a hub, the hub with and housing having interleaved plates and the housing containing viscous liquid. A screw pump is provided to pump the viscous liquid into and out of the portion of the housing containing the plates thus to vary the torque transmission of the coupling. The viscous coupling may be used in a motor vehicle driveline to provide a viscous transmission.

REFERENCES:
patent: 4046239 (1977-09-01), Tinholt
patent: 4605087 (1986-08-01), Ashauer et al.
patent: 4721010 (1988-01-01), Sheldon et al.
patent: 4782930 (1988-11-01), Kuroiwa et al.

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