Viscous clutch for engine cooling fan with improved fluid flow p

Details Viscous clutch for engine cooling fan with improved fluid flow p Viscous clutch for engine cooling fan with improved fluid flow p

1986-11-10

1988-05-03

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Fluent material

192 82T, F16D 3500, F16D 4325

Patent

active

047414219

ABSTRACT:
A viscous fan clutch having clutch and pump plates with interleaved lands to form the shear zone featuring an annular blocker ring and axial fluid feed passages radially inward of the blocker ring leading to the shear zone through lands partially or completely removed from the clutch plate to improve flow distribution into the shear zone.

REFERENCES:
patent: 3865221 (1974-12-01), Coty
patent: 4190139 (1980-02-01), Tinholt et al.
patent: 4235322 (1980-11-01), Sutaruk
patent: 4627524 (1986-12-01), Hayashi et al.
patent: 4630721 (1986-12-01), Johnston et al.
patent: 4699258 (1987-10-01), Johnston et al.

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