Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2005-10-25
2005-10-25
Schuberg, Darren (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S064000
Reexamination Certificate
active
06958559
ABSTRACT:
A rise in temperature of magneto coils can be suppressed, thereby improving the electrical efficiency, service life and reliability thereof. A flywheel (3) has a cylindrical portion (4), and is rotatable about an axis of rotation A—A. A plurality of magnets (7) are mounted on an inner peripheral surface of the flywheel (3) so as to rotate therewith. A stator core (10) has a plurality of teeth (12) protruded outwardly in a diametral direction, and is disposed in opposition to the magnets (7). Conductive wires are wound around the teeth (12), respectively, to form magneto coils (11). The stator core (10) has a laminated core (15) formed of a plurality of magnetic sheet steel plates laminated one over another, and a pair of end plates (16, 17) disposed so as to sandwich opposite side surfaces of the laminated core (15). At least one of the pair of end plates (16, 17) is made of aluminum whose heat radiation is higher than the magnetic sheet steel plates.
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patent: 6137198 (2000-10-01), Kawamura
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patent: 6573629 (2003-06-01), Morimatsu
patent: 6713934 (2004-03-01), Kanno
patent: 2000-304488 (2000-11-01), None
Hashiba Mitsuharu
Kihara Nobuhiro
Hanh Nguyen
Mitsubishi Denki & Kabushiki Kaisha
Schuberg Darren
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