Viscous clutch assembly

Details Viscous clutch assembly Viscous clutch assembly

1998-03-27

1999-10-05

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Fluent material

192 5842, 192 82T, F16D 3500

Patent

active

059609184

ABSTRACT:
A viscous fluid clutch includes a rotor attached to an output from an engine, a stator attached to a fan assembly and a coil assembly having at least a portion attached to the stator. A first gap is defined between the rotor and the stator and a second gap is defined between the rotor and the coil assembly. The first and second gaps are filled with a magnetorheological (MR) fluid. The coil assembly creates a magnetic field in the first and second gaps to vary the viscosity of the MR fluid to produce a variable speed viscous fluid clutch.

REFERENCES:
patent: 3910391 (1975-10-01), Detty et al.
patent: 3993415 (1976-11-01), Hauser
patent: 4056178 (1977-11-01), Defly
patent: 4739864 (1988-04-01), Numazawa et al.
patent: 5377798 (1995-01-01), Hudson et al.
patent: 5667715 (1997-09-01), Foister
patent: 5823309 (1998-10-01), Gopalswamy et al.
patent: 5845752 (1998-12-01), Gopalswamy et al.

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