Double element electroviscous fluid clutch

Details Double element electroviscous fluid clutch Double element electroviscous fluid clutch

1989-04-27

1990-02-06

Bonck, Rodney H.

192 clutches and power-stop control

Field responsive frictional media type

192 58B, 192 82T, 192 84E, F16D 3500, F16D 4325

Patent

active

048982660

ABSTRACT:
An electroviscous fan clutch (10) is employed as an accessory drive mechanism within a truck or automobile. A shaft (36), either driven by the engine or drivig a load (31), carries a clutch member (14) arranged for fluid engagement with a body member (12) for the transmission of torque therebetween when electroviscous fluid is disposed in an operating chamber (45) defined by complimentary shear surfaces (40 and 44) in the clutch and body members. The clutch and body members are electrodes, connected to a source of high voltage potential (86), which establish an electrostatic field within the operating chamber to selectively vary the characteristic viscosity of fliud flowing therethrough.

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