Title:
モータ、および電動パワーステアリング装置
Document Type and Number:
Japanese Patent JP7031595
Kind Code:
B2
Abstract:
A motor provided with: a shaft that rotates about a center axis extending in the vertical direction; a bearing for supporting the top end of the shaft; a metal heat sink for directly or indirectly holding the bearing; a substrate disposed on the upper side of the heat sink; a sensor magnet fixed to the shaft at the top end of the shaft above the bearing; a rotation sensor mounted in a position overlapping the sensor magnet of the substrate viewed from the axial direction; and a heat-dissipating material positioned between the substrate and the heat sink, the heat sink being provided with a through hole passing in the vertical direction, the bearing and the sensor magnet being accommodated in the through hole, and a cover covering at least a part of the opening on the upper side of the through hole being attached to the heat sink.
Inventors:
Yoshiaki Yamashita
Application Number:
JP2018542498A
Publication Date:
March 08, 2022
Filing Date:
September 22, 2017
Export Citation:
Assignee:
Nidec Corporation
International Classes:
H02K11/33; B62D5/04; H02K5/18; H02K11/215
Domestic Patent References:
| JP2016036246A | ||||
| JP2014183674A |
Foreign References:
| WO2015186455A1 |
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