MOTOR DEVICE

WIPO Patent Application WO/2022/114909

A1

A motor device is disclosed. The disclosed motor device can comprise: a rotor including a magnet member; a first-side stator part arranged at one side of the rotor, and comprising at least one first stator including first and second main yoke portions, which are separated from each other and extend in the lateral direction of the rotor, and a first back yoke portion, which interconnects outer end portions of the first and second main yoke portions; a second-side stator part arranged at the other side of the rotor to face the first-side stator part with the rotor therebetween, and comprising at least one second stator including third and fourth main yoke portions, which are separated from each other and extend in the lateral direction of the rotor, and a second back yoke portion, which interconnects outer end portions of the third and fourth main yoke portions; a coil part provided to surround each of the first and/or second main yoke portion(s) and the third and/or fourth main yoke portion(s); a housing structure for encompassing the rotor, the first-side stator part, the second-side stator part, and the coil part; and a direct cooling system for directly cooling the first-side stator part, the second-side stator part, and the coil part by using a coolant fluid.

WO/2012/013645	AIRCRAFT
JP3301303	MOTOR
JP6013704	Electric actuator

HA JUNG-IK (KR)
SHIM JAE-HOON (KR)

PCT/KR2021/017810

June 02, 2022

November 30, 2021

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SEOUL NATIONAL UNIV R&DB FOUNDATAION (KR)

H02K16/04; H02K1/16; H02K1/20; H02K1/27; H02K3/12; H02K5/04; H02K9/19; H02K11/33

JP3867557B2	2007-01-10
KR20140078800A	2014-06-26
KR101919231B1	2018-11-15
JP3153341B2	2001-04-09
KR20140078799A	2014-06-26

KIM, Kwonseok (KR)

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