Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2008-01-08
2008-01-08
Nguyen, Tran (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S156530
Reexamination Certificate
active
07317272
ABSTRACT:
A rotor for an electric motor includes a base plate (13) made of a magnetic material and coupled to a rotational shaft (12), a rotor core (18) provided on the base plate (13) and including a protrusion protruding axially relative to the base plate and the teeth of the stator, the rotor core having an outer peripheral face and an axial end, a plurality of magnet insertion portions defined in the rotor core, a plurality of rotor magnets provided in the magnet insertion portions respectively, each magnet having a stator side and a counter-stator side both magnetized so as to have poles differing from each other, and a position sensor detecting a rotational position of the rotor core and disposed radially or axially opposite the outer peripheral face or the axial end of the rotor core so as to correspond to the protrusion of the rotor core.
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Kabushiki Kaisha Toshiba
Nguyen Tran
Pillsbury Winthrop Shaw & Pittman LLP
Toshiba Consumer Marketing Corporation
Toshiba Ha Products Co., Ltd.
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