Title:
かご型ロータおよびかご型ロータの製造方法
Document Type and Number:
Japanese Patent JP5693884
Kind Code:
B2
Abstract:
A squirrel-cage rotor 1 according to the present invention includes a rotor core 2 made by stacking a plurality of cores made of steel plates and having a plurality of slots 7 extending in parallel to each other, rotor bars 5 respectively inserted into the plurality of slots 7, the rotor bars 5 being made of metal and having lengths longer than the lengths of the slots inserted, two end rings 3, 4 respectively provided at end portions of the rotor core 2 and both end portions in a direction in which the plurality of slots 7 extend, the two end rings 3, 4 short-circuiting the plurality of rotor bars 5, wherein the end rings 3, 4 are formed by blowing, to the end portions, metal material powder in a solid state constituting the end rings 3, 4 at a temperature lower than a melting point of the metal material powder using heated compressed gas.
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Inventors:
Toshihiko Hanamachi
Application Number:
JP2010156068A
Publication Date:
April 01, 2015
Filing Date:
July 08, 2010
Export Citation:
Assignee:
Nippon Jojo Co., Ltd.
International Classes:
H02K17/16; H02K15/02
Domestic Patent References:
| JP2193552A | ||||
| JP2003230261A | ||||
| JP2002335659A | ||||
| JP2000060079A | ||||
| JP5260710A |
Attorney, Agent or Firm:
Hiroaki Sakai
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