Title:
ROTOR, SPOKE-TYPE MOTOR, VEHICLE MOTOR, UNMANNED FLYING BODY, ELECTRIC ASSIST DEVICE, AND ROBOT DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/066004
Kind Code:
A1
Abstract:
This rotor according to one embodiment comprises: a shaft; an inner core part disposed outside in the radial direction of the shaft along the circumferential direction; a plurality of outer core parts disposed outside in the radial direction of the inner core part and separated from one another along the circumferential direction; a mold resin part which is made of resin and at least partially covers the inner core part and outer core parts; and a plurality of permanent magnets which excite the outer core parts. The mold resin part has gate traces in regions between the outer core parts that are adjacent in the circumferential direction. The gate traces are provided in all regions between adjacent outer core parts, or, among all the regions between adjacent outer core parts, regions between outer core parts adjacent to an even number of regions between adjacent outer core parts where the gate traces are not disposed.
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Inventors:
UEDA TOMOYA (JP)
TAKEMOTO SHINJI (JP)
ISOGAI YUSUKE (JP)
TAKEMOTO SHINJI (JP)
ISOGAI YUSUKE (JP)
Application Number:
PCT/JP2018/036373
Publication Date:
April 04, 2019
Filing Date:
September 28, 2018
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K1/27; H02K1/22; H02K15/03; H02K21/14
Domestic Patent References:
| WO2017009902A1 | 2017-01-19 |
Foreign References:
| JP2016063734A | 2016-04-25 | |||
| JP2015213416A | 2015-11-26 |
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