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Title:
車両用回転電機とその製造方法
Document Type and Number:
Japanese Patent JP4159308
Kind Code:
B2
Abstract:

To propose a means which can conduct an insulating film having superior improving effects of an insulation, corrosion resistance, adhesive properties, heat resistance and magnetic characteristics and treating at a low temperature for a short time, without pretreatment such as degreasing cleaning, annealing or the like in insulation treatment of the end face of a core.

A rotary electric machine for a vehicle comprises a laminated steel sheet, containing a burr after punching a core material and having an end-face roughness of the rugged part thereof of 5 to 50 μm; a dry insulating film of an organic silicon compound, having a mean film thickness of 0.1 to 30 μm and a withstand voltage of 60 V or more and formed on the outer surface (the end face or upper or the lower surface) of the core; and a conductive member disposed opposite to the dry insulating film.

COPYRIGHT: (C)2004,JPO


Inventors:
Tomoji Kumano
Kazutaka Higashine
Opening power
Hiroyuki Kikuchi
Shin Hirofumi
Takeo Fukuda
Shu Tanaka
Application Number:
JP2002125524A
Publication Date:
October 01, 2008
Filing Date:
April 26, 2002
Export Citation:
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Assignee:
Nippon Steel Corporation
Honda motor industry stock company
Nippon Steel Plant Design Co., Ltd.
International Classes:
B05D7/14; H02K1/04; B05D7/24; B22D19/00; C22C38/00; H02K3/34; H02K15/02; H02K15/12; H02K17/16
Domestic Patent References:
JP56012844A
JP9331659A
JP51144348A
JP7070717A
JP51097799A
JP4323382A
JP48037192B1
Attorney, Agent or Firm:
Hiroaki Tamura
Tomoyuki Yabuki
Tsugeko Shigeo
Yoshiyuki Watanabe