Engine cooling fan with shearable drive to eliminate fan overspe

Details Engine cooling fan with shearable drive to eliminate fan overspe Engine cooling fan with shearable drive to eliminate fan overspe

1982-04-21

1983-11-15

Cuchlinski, Jr., William A.

Internal-combustion engines

Cooling

Automatic coolant flow control

123 4115, 192 56R, 192104F, F01P 514

Patent

active

044149255

ABSTRACT:
An engine cooling fan driven through a viscous clutch and having a mechanically shearable drive element into the powered input of the viscous clutch which shears at a predetermined low torque level to prevent fan damage due to viscous clutch lockup and limits fan speeds to a relatively low torque level.

REFERENCES:
patent: 3306406 (1967-02-01), Poliseo
patent: 3648811 (1972-03-01), LaFlame
patent: 3841451 (1974-10-01), Saylor et al.

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