Title:
ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2012/111259
Kind Code:
A3
Abstract:
In one embodiment, an electric motor. A first bracket is fixed to the first side of a stator core in an axial direction, and is fixed to first bearing housing. A second bracket is fixed to the second side of the stator core, and is fixed to second bearing housing. The rotor includes a shaft rotatably supported by bearings, and an attached rotor core. Rotor core faces the inside of the stator core. A fan is attached to the shaft between the rotor core and the first housing. A flue formed between the first housing and the first bracket is configured to draw air from a port to a part of the first bracket. A rotation detection circuit includes a detected part fixed to the fan, and is within the flue. A sensor operable to detect the part is set in the flue, counter to the detected part.
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| JP2016025718 | MOTOR UNIT |
Inventors:
NAGAYAMA TAKASHI
YAMADA TOSHIAKI
YAMADA TOSHIAKI
Application Number:
PCT/JP2012/000489
Publication Date:
April 10, 2014
Filing Date:
January 26, 2012
Export Citation:
Assignee:
TOSHIBA KK (JP)
NAGAYAMA TAKASHI
YAMADA TOSHIAKI
NAGAYAMA TAKASHI
YAMADA TOSHIAKI
International Classes:
H02K9/06; F16C33/80; F16C41/00; G01P3/481; H02K5/20; H02K9/08; H02K11/00
Foreign References:
| US20010017498A1 | 2001-08-30 | |||
| JP2009284736A | 2009-12-03 | |||
| JP2010106924A | 2010-05-13 | |||
| JPH11281312A | 1999-10-15 |
Attorney, Agent or Firm:
SAGOI, Masayuki (1-1 Shibaura 1-chome, Minato-k, Tokyo 01, JP)
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