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Patent Searching and Data


Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2020/262093
Kind Code:
A1
Abstract:
A motor 1 is provided with a stator 5 having a plurality of stacked plates 5t, and a rotor 4 that is disposed inside the stator 5 with a gap therebetween. The stator 5 is provided with an annular yoke located on the outside, and a plurality of teeth that protrude from an inner peripheral surface of the yoke toward the rotor 4. Formed between adjacent teeth are slots 53 where a coil 6 that has been wound about the teeth is arranged. A void 10 where a cooling medium is supplied is formed between a bottom of each slot 53 and the coil 6. The stator 5 has end plate members 60, 160 arranged so as to face the stacked plates thereof. One end of the void 10 within at least one slot 53 communicates with cooling medium supply paths 65, 165 formed between the end plate members 60, 160 and the stacked plates of the stator 5. Also, the other end of the void 10 within the at least one slot 53 is open.

Inventors:
WAKABAYASHI HIROKI (JP)
IITSUKA TAKAKUNI (JP)
WAKITA YUTAKA (JP)
TOMITA TETSUHIRO (JP)
Application Number:
PCT/JP2020/023505
Publication Date:
December 30, 2020
Filing Date:
June 16, 2020
Export Citation:
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Assignee:
SINFONIA TECHNOLOGY CO LTD (JP)
International Classes:
H02K3/24; H02K1/32; H02K9/19
Foreign References:
US20120080982A12012-04-05
JP2001145302A2001-05-25
US4994700A1991-02-19
US20170018991A12017-01-19
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