Title:
永久磁石埋込型電動機のためのロータ及びそれを用いた電動機
Document Type and Number:
Japanese Patent JP6507273
Kind Code:
B2
Abstract:
A rotor is for a permanent magnet embedded-type motor and a motor using the same. A rotor for a permanent magnet embedded-type motor includes a rotor core having a rotary shaft fixed to a center and having a plurality of magnet insertion holes formed to be spaced along a circumferential direction and a plurality of pairs of permanent magnets, respectively, inserted into each of the plurality of magnet insertion holes in a V-shape to be gradually spaced apart from each other toward a radially outer side. Each of the plurality of magnet insertion holes includes a pair of inner sides facing each other, and a barrier hole is formed to expand an inner space of each of the magnet insertion holes to protrude from the pair of inner sides, respectively.
Inventors:
Hotchon Gil
Baek Chang Ho
Sobong Kyun
Baek Chang Ho
Sobong Kyun
Application Number:
JP2017566324A
Publication Date:
April 24, 2019
Filing Date:
December 16, 2016
Export Citation:
Assignee:
VOLKSWAGEN AKTIENGESELLSCHAFT
International Classes:
H02K1/27; H02K1/22; H02K21/14
Domestic Patent References:
| JP2009273258A |
Foreign References:
| WO2015059768A1 | ||||
| US20110062815 | ||||
| US20160204666 |
Attorney, Agent or Firm:
Shinichiro Tanaka
Disciple Maru Ken
▲吉▼田 和彦
Mitsuru Matsushita
Ichiro Kurasawa
Yasushi Yamamoto
Ken Iwagami
Disciple Maru Ken
▲吉▼田 和彦
Mitsuru Matsushita
Ichiro Kurasawa
Yasushi Yamamoto
Ken Iwagami