Title:
かご形誘導電動機
Document Type and Number:
Japanese Patent JP5209658
Kind Code:
B2
Abstract:
An object of the present invention is to provide a squirrel-cage induction motor with high efficiency. In a squirrel-cage induction motor including a stator in which stator windings are wound in a number of stator slots arranged at intervals in the vicinity of the inner periphery of a stator core and a rotor in which rotor conductors are embedded in a number of rotor slots arranged at intervals in the vicinity of the outer periphery of a rotor core and end rings are provided at both ends of the rotor core, the rotor core is formed of a plurality of blocks, an annular short-circuit ring is provided between respective blocks of the rotor core to short-circuit the rotor conductors, and laminated thickness of the rotor core is made larger than laminated thickness of the stator core.
Inventors:
Kazuo Nishihama
Hiroyuki Mikami
Shimozono Tadahiro
Kaiichiro Keiichiro
Atsushi Abe
Hiroyuki Mikami
Shimozono Tadahiro
Kaiichiro Keiichiro
Atsushi Abe
Application Number:
JP2010075270A
Publication Date:
June 12, 2013
Filing Date:
March 29, 2010
Export Citation:
Assignee:
Hitachi Industrial Equipment Systems Co., Ltd.
International Classes:
H02K17/16; H02K1/16; H02K1/18; H02K1/26
Domestic Patent References:
| JP9215286A | ||||
| JP10174387A | ||||
| JP61180554A | ||||
| JP8098463A | ||||
| JP7322544A | ||||
| JP2006158018A | ||||
| JP4165945A | ||||
| JP7163108A | ||||
| JP57049357A | ||||
| JP2001045725A | ||||
| JP49015133Y1 | ||||
| JP10052013A |
Attorney, Agent or Firm:
Polaire Patent Business Corporation