Dimpled bimetal temperature responsive fan drive coupling

Details Dimpled bimetal temperature responsive fan drive coupling Dimpled bimetal temperature responsive fan drive coupling

1977-04-06

1978-09-05

Herrmann, Allan D.

192 clutches and power-stop control

Clutches

Fluent material

192 82T, 733635, 236101E, F16D 3500, F16D 4325

Patent

active

041112890

ABSTRACT:
A shear liquid fan drive assembly for the radiator cooling system of an internal combustion engine of the type wherein a temperature responsive valve controls the degree of rotary coupling between the engine and a radiator cooling fan by controlling the quantity of shear liquid between a driving disc and a driven housing carrying the fan. The specific improvement relates to a bi-metal strip for the temperature controlled fluid coupling, the strip being so configured that its improper placement on the fluid coupling results in maximum fluid coupling and hence maximum cooling of the engine by the fan.

REFERENCES:
patent: 3155209 (1964-11-01), Weir
patent: 3262528 (1966-07-01), Weir
patent: 3419122 (1968-12-01), Connelly
patent: 3463008 (1969-08-01), Teichert et al.

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