Eddy current coupling having stepped rotor and coil support
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United States of America Patent
Stats
-
Jul 28, 1987
Grant Date -
N/A
app pub date -
Apr 26, 1982
filing date -
Apr 26, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An eddy current coupling has a field coil (42) for magnetically coupling an inductor drum (26) and rotor (28). The thickness of the supporting arm (48) for the coil increases in a step-wise manner in a direction away from the end of the arm. The diameter of the adjacent portions (30) of the rotor is reduced in a corresponding manner to provide a plurality of air gaps (54a, 54b, 54c) across which the flux passes in radial directions. The flux passage and heat removal characteristics of the coupling are enhanced.
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