Title:
ELECTRIC MOTOR AND HEAT SINK DEVICE USING THE SAME
Document Type and Number:
Japanese Patent JP3815028
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an electric motor capable of preventing deformation of the inner diameter of a sleeve.
SOLUTION: This electric motor is constituted of a frame 1 provided with a cup-like frame housing 1a, a stator 3 fitted to the outer peripheral part of the frame housing 1a, a sleeve 6 fitted into a reception stand 1b formed in the frame housing 1a so that one end is supported, a shaft 9 which is fitted rotatably into the sleeve 6, a rotor 16 provided with a magnet 11 which is arranged facing opposite to the stator 3, oil 14 packed between the shaft 9 the sleeve 6, and a fixed ring 7 which is inserted into the frame housing 1a and which presses the sleeve 6 toward the receiving stand 1b.
Inventors:
Akitomo Yamashita
Eiichiro Nakazono
Eiichiro Nakazono
Application Number:
JP4697598A
Publication Date:
August 30, 2006
Filing Date:
February 27, 1998
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
F16C17/02; H02K7/08; F04D25/06; F04D29/06; H02K5/16; H02K5/167; (IPC1-7): H02K7/08; F16C17/02; H02K5/16
Domestic Patent References:
| JP9037516A | ||||
| JP2107242U | ||||
| JP8251864A | ||||
| JP9117104A | ||||
| JP7015933A |
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano
Hiroki Naito
Daisuke Nagano