192 clutches and power-stop control – Field responsive frictional media type
Patent
1997-10-17
1999-10-19
Graysay, Tamara L.
192 clutches and power-stop control
Field responsive frictional media type
F16D 3702
Patent
active
059672730
ABSTRACT:
A magneto-rheological fluid coupling (11) including a stationary electromagnetic coil (31) and cylindrical contact member (43) surrounding an input shaft (19), and in turn, being surrounded by the output coupling assembly (15). Input (63,65) and output (29) coupling members define a viscous shear chamber (71) disposed radially outward from the coil (31). A drive member (21) extends radially from the input shaft (19) and includes an annular portion (61) at least partially surrounding the coil (31) and driving the input coupling member (63,65). The stationary coil (31) and contact member (43) eliminates the need for electrical brushes, and the problems associated therewith, and the overall arrangement of the coupling (11) results in only radial non-working air gaps, such that the efficiency and repeatability of the device is substantially improved.
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Belles Debra A.
Eaton Corporation
Graysay Tamara L.
Kasper L. J.
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