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Title:
DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/163951
Kind Code:
A1
Abstract:
The rear frame (38) of a drive device (10) sandwiches a case (36) between the rear frame (38) and a front frame (37), the case (36) affixing a stator 21. Through-bolts (39) connect the front frame (37) and the rear frame (38). A heat sink (41) is affixed to the rear frame (38), and substrates (42, 43) are affixed to the heat sink. The rear frame (38) has a plurality of first threaded holes (711-713) engaged with the through-bolts (39). The engagement surface of the specific first threaded hole (711), which is one of the plurality of first threaded holes (711-713), is in contact with a through-bolt (39), and the material of the rear frame (38) is exposed on the engagement surface. The remaining first threaded holes (712, 713) other than the specific first threaded hole (711) among the plurality of first threaded holes (711-713), and the outer wall (72) of the rear frame (38), which is exposed to the outside space, have a coating.

Inventors:
TSUTSUI Toshio (Showa-cho Kariya-cit, Aichi 61, 〒4488661, JP)
MATSUO Yasufumi (Showa-cho Kariya-cit, Aichi 61, 〒4488661, JP)
MATSUO Koji (Showa-cho Kariya-cit, Aichi 61, 〒4488661, JP)
Application Number:
JP2018/007718
Publication Date:
September 13, 2018
Filing Date:
March 01, 2018
Export Citation:
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Assignee:
DENSO CORPORATION (1-1 Showa-cho, Kariya-city Aichi, 61, 〒4488661, JP)
International Classes:
H02K5/02; H02K11/33; H02K11/40
Foreign References:
JP2015089216A2015-05-07
JP2016111783A2016-06-20
JPH05259654A1993-10-08
Attorney, Agent or Firm:
HATTORI Masaki (HATTORI & ASSOCIATES, Eighth Floor Arex BLDG., 4-12, Marunouchi 1-chome, Naka-k, Nagoya-shi Aichi 02, 〒4600002, JP)
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