Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2008-07-08
2008-07-08
Nguyen, Tran (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S043000, C068S023700
Reexamination Certificate
active
11020393
ABSTRACT:
A motor for a washing machine including a driving shaft coupled to a drum, a stator for forming a magnetic field with a coil wound on a core, and a rotor rotatably mounted on an outside of the stator coupled to the driving shaft for driving the driving shaft, wherein the rotor includes a rotor frame having magnets attached to an inside surface of an outer end, a back yoke on an outside surface of the outer end for reinforcing the rotor frame and forming a magnetic path, a shaft supporting housing at a center of the rotor frame having one end portion of the driving shaft secured thereto, a bushing of a non-conductive resin having the shaft supporting housing formed as one body at a center, the bushing being secured to the rotor frame, and fastening members for fastening the bushing to the rotor frame.
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Ahn Byung Hwan
Choi Seung Bong
Lee Deug Hee
LG Electronics Inc.
McKenna Long & Aldridge LLP
Nguyen Tran
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