Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2005-11-01
2005-11-01
Tamai, Karl (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C174S1100SR, C174S11000P, C336S198000, C310S043000, C310S257000
Reexamination Certificate
active
06960850
ABSTRACT:
An electromagnetic device includes an outer casing, a shaft rotatably supported by the outer casing, and a motor main body disposed inside the outer casing, the motor main body having a stator and a rotor, the stator having coils each constructed by winding a conducting wire onto a bobbin, the coils being embedded in an outer molding, and cores being disposed so as to cover the outer molding, and the rotor being secured to the shaft, wherein the conducting wire of the coils is constructed by coating onto a copper wire an electrically-insulating layer composed of denatured polyimide resin which is a material resistant to permeation by sulfur compounds.
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Hasegawa Shiro
Hashimoto Naoya
Miyaoku Teruo
Ohta Hirohisa
Ozawa Hiromasa
Mitsubishi Denki & Kabushiki Kaisha
Sughrue & Mion, PLLC
Tamai Karl
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