Title:
ROTOR, ROTARY ELECTRIC MACHINE, AND DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/190172
Kind Code:
A1
Abstract:
In a rotor according to one aspect of the present invention, a shaft has: a first shaft hole that extends in the axial direction; and a second shaft hole that extends from the first shaft hole radially toward the outside and opens on the outer circumferential surface of the shaft. A rotor core has a plurality of core holes that extend in the axial direction and are disposed at intervals therebetween in the circumferential direction. A plate has through-holes that overlap the core holes as seen from the axial direction, and a flow path section that joins the second shaft hole and the through-holes. A second distance from the center axis to the outer edge of the plate is less than a first distance from the center axis to the outer edge of the rotor core.
Inventors:
MATSUDA KAZUTOSHI (JP)
UEDA TOMOYA (JP)
UEDA TOMOYA (JP)
Application Number:
PCT/JP2023/011845
Publication Date:
October 05, 2023
Filing Date:
March 24, 2023
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K1/32; H02K9/19
Foreign References:
| JP2021177675A | 2021-11-11 | |||
| JP2019047644A | 2019-03-22 | |||
| JP2014155243A | 2014-08-25 | |||
| JP2011217443A | 2011-10-27 | |||
| JPS5490616U | 1979-06-27 |
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