Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1998-02-27
1999-11-09
Dougherty, Thomas M.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 40MM, 310 42, 310 47, 310 48, 310 73, 310 98, 310119, 362120, 362192, H02K 2124, H02K 1500, F21V 3100
Patent
active
059820594
ABSTRACT:
A generator and lighting assembly is provided for use on a mechanism, e.g. a power driven tool, having a shaft that is rotated during use. The assembly includes a rotor assembly 122 including a rotor shaft 102 affixed to the mechanism shaft, and a permanent magnet 132 supported on the rotor shaft for rotation therewith. A stator assembly 124 is also provided, and includes a body presenting pair of electrically conductive arms 138 extending on opposite sides of the rotor and an electrically conductive shank 140 connecting the arms together, and a winding 136 of electrically conductive wire supported on the body and presenting a pair of opposed ends. The assembly includes a lamp assembly 128 for providing illumination to an area to be lighted, and includes a light emitting diode (LED) embedded in a solid transparent bulb formed of a synthetic resin composition. Electrical conductors connect the ends of the winding to the LED to form a circuit for supplying current to the LED upon rotation of the rotor magnet 132 within the stator assembly 124.
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Dougherty Thomas M.
Nguyen Tran N.
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