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Patent Searching and Data


Title:
ROTARY ELECTRIC MACHINE
Document Type and Number:
Japanese Patent JP2020072500
Kind Code:
A
Abstract:
To provide a rotary electric machine in which, even when a resin-made center piece is used, the electromagnetic shield performance and heat dissipation performance to a circuit board can be ensured.SOLUTION: A rotary electric machine 10 includes: an annular stator 12; a shaft 14 that is disposed on the center axis of the stator 12; a rotor 16 that is rotatably supported by the shaft 14; a resin-made center piece 18 that has a plate-like portion 52 which faces, in the axis direction of the stator 12, the stator 12 and to which the stator 12 and the shaft 14 are fixed; a metal plate 20 that is disposed on a side opposite to the stator 12 with respect to the plate-like portion 52; a circuit board 22 that is disposed on a side opposite to the plate-like portion 52 with respect to the metal plate 20 and that has a ground in contact with the metal plate 20; and a metallic board case 26 that covers the circuit board 22 from a side opposite to the metal plate 20 with respect to the circuit board 22 and that is in contact with the metal plate 20.SELECTED DRAWING: Figure 1

Inventors:
INABA TATSUYA
Application Number:
JP2018202920A
Publication Date:
May 07, 2020
Filing Date:
October 29, 2018
Export Citation:
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Assignee:
DENSO CORP
International Classes:
H02K5/00; H02K11/33
Domestic Patent References:
JPS61149959U1986-09-16
JP2018074784A2018-05-10
JP2017195685A2017-10-26
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office