Motor for vehicle and railway vehicle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 20, 2016
Grant Date -
Jan 1, 2015
app pub date -
Feb 14, 2014
filing date -
Jun 27, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
According to one embodiment, a motor for a vehicle includes a casing accommodating a rotor and a stator iron core inside thereof, and supporting each of both axial ends of the rotor shaft via a bearing, an air inlet port formed in a portion of the casing outside the bearing in the radial direction, and a fan provided between the rotor iron core and the bearing and rotating with the rotor shaft, wherein a portion of the casing positioned outside impellers of the fan in the axial direction forms a first housing and a second housing constituting a discharge channel, and the first housing includes a guide wall extending toward the outside in the radial direction, and the second housing includes a thinned wall portion located inside the guide wall in the axial direction to constitute the discharge channel between the thin wall portion and the guide wall.
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