Title:
電動機及び工作機械
Document Type and Number:
Japanese Patent JP6474441
Kind Code:
B2
Abstract:
An electric motor includes a stator having a tubular shape, a rotor rotatable around a rotary axis and having a rotary spindle, a first housing part disposed so as to partially house the rotary spindle, a second housing part disposed at the other end of the stator in the rotary axis direction, a third housing part at a side opposite to the first housing part in the rotary axis direction with respect to the second housing part, a plurality of ventilation parts formed so as to communicate with at least the stator, the second housing part, and the third housing part, and a plurality of fans for ventilating the plurality of ventilation parts, the plurality of fans being disposed in the third housing part on a plane perpendicular to the rotary axis so as not to overlap the rotary axis.
Inventors:
Yasuyuki Nakazawa
Application Number:
JP2017046216A
Publication Date:
February 27, 2019
Filing Date:
March 10, 2017
Export Citation:
Assignee:
FANUC Corporation
International Classes:
H02K9/04; H02K5/20
Domestic Patent References:
| JP2012196051A | ||||
| JP2011101549A | ||||
| JP2014230487A | ||||
| JP8322201A |
Attorney, Agent or Firm:
Masayuki Masabayashi
Tetsuo Shiba
Hiroaki Hoshino
Tetsuo Shiba
Hiroaki Hoshino