Patent ID: 6102177
Filing Date: 2000-08-15
Classification: F16D

Abstract:
A viscous fluid clutch for a fan assembly, said viscous fluid clutch comprising:a housing defining a chamber, said housing adapted for being attached to said fan assembly;a shaft partially disposed within said chamber and extending from said housing;a rotor disposed within said chamber, said rotor being secured to said shaft;a coil assembly secured to said housing and disposed within said chamber, said coil assembly being disposed coaxially with respect to said rotor;a bearing disposed entirely within said chamber, said bearing being disposed between said coil assembly and said shaft for rotatably supporting said rotor with respect to said housing;a viscous fluid disposed within said chamber between said rotor and said housing, said rotor transmitting driving torque to said stator by shearing said viscous fluid; andmeans for supplying electrical power to said coil assembly.