Electromagnetic retarder system and method
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United States of America Patent
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-
Oct 2, 2007
Grant Date -
Jun 16, 2005
app pub date -
Nov 23, 2004
filing date -
Nov 24, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electromagnetic retarder system is disclosed. In one embodiment, the retarder system comprises: a shaft; a coil statically disposed on the shaft and having a hollow cylindrical shape; a yoke statically disposed on the shaft, the yoke having a first cylindrical surface and a second cylindrical surface, the second cylindrical surface disposed coaxial with said coil; at least one claw pole rotor mounted on the shaft, the at least one claw pole rotor formed of magnetic half wheels that taper into claws; and an induction drum disposed coaxial with the shaft and mounted so as to encompass the coil, the yoke and the at least one rotor.
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