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Patent Searching and Data


Title:
ELECTRICAL DEVICE
Document Type and Number:
Japanese Patent JP2010081725
Kind Code:
A
Abstract:

To provide an electrical device which is equipped with a detection means for detecting the overheat state of a brush motor without complicating the assembly structure of the electrical device.

An electrical device 1 includes: a brush motor 6 which is provided in the internal space surrounded by housings 2 and 3; and a drive section 4 which is driven by the brush motor 6. The brush motor 6 is equipped with: a stator 11 fixed to the housings 2 and 3; a rotor 9 which can rotate freely for the stator 11; and a brush holder 15 fixed to the housings 2 and 3. The stator 11 or the brush holder 15 is fixed to the housings 2 and 3 while being held between resilient fixing members and urged along the rotational direction of the rotor 9, and at least one fixing member consists of a shape memory material.


Inventors:
SAWANO FUMIAKI
SHIMIZU HIDEKI
TAKEYAMA ATSUSHI
Application Number:
JP2008246928A
Publication Date:
April 08, 2010
Filing Date:
September 25, 2008
Export Citation:
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Assignee:
PANASONIC ELEC WORKS CO LTD
International Classes:
H02K23/00; H02P7/06
Attorney, Agent or Firm:
Keisei Nishikawa
Atsuo Mori