192 clutches and power-stop control – Field responsive frictional media type
Patent
1997-06-02
1999-04-27
Bonck, Rodney H.
192 clutches and power-stop control
Field responsive frictional media type
192 5841, F16D 3500
Patent
active
058969659
ABSTRACT:
A magnetorheological fluid fan clutch effects modulated rotational motion transmission between a rotatable input shaft carrying an input clutch plate and a housing having a front cover and a rear cover forming a cavity about the input clutch plate wherein the front and rear covers operate as output clutch plates. A nonmagnetic spacer is positioned between the front and rear covers and radially outside the input clutch plate. A bearing supports the housing on the input shaft through the rear cover so that the input clutch plate is rotatable on the input shaft relative to the housing. Magnetorheological fluid is carried in the cavity, through which torque is variably transferred between the input clutch plate and the housing. A coil is positioned radially outside the nonmagnetic spacer and carries a variable electrical current to effect a variable magnetic field across the input clutch plate and through the magnetorheological fluid providing modulated torque transmission between the input clutch plate and the housing.
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Gopalswamy Swaminathan
Johnston Gary Lee
Jones Gary Lee
Kruckemeyer William Charles
Linzell Samuel Miller
Bonck Rodney H.
General Motors Corporation
Sedlar Jeffrey A.
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