F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
123/157
F16H 41/22 (2006.01) F01P 7/04 (2006.01) F16D 35/02 (2006.01)
Patent
CA 1108495
C-2981 D-2,146 ELECTRICALLY ACTUATED VISCOUS FAN CLUTCH Abstract of the Disclosure This fan clutch has an external stationary electromagnet energized in response to cooling signal to axially move an armature operatively connected to a valve member that controls the circulation of fluid into a rotatable viscous clutch. With the fluid circulating, the fan blading is hydraulically driven to draw cooling air through the vehicle radiator. when fan operation is no longer required, the electromagnet is automatically deenergized so that an internal spring moves the valve member to a closed position to terminate the supply of viscous fluid to the clutch to increase clutch slippage and establish the disengaged mode of clutch operation.
325718
General Motors Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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