Title:
VARIABLE-CAPACITY ELECTRIC PROPULSION MOTOR COOLING STRUCTURE AND VARIABLE-CAPACITY ELECTRIC PROPULSION MOTOR EQUIPPED THEREWITH
Document Type and Number:
WIPO Patent Application WO/2024/034868
Kind Code:
A1
Abstract:
A variable-capacity electric propulsion motor cooling structure according to the present invention is a structure for cooling a variable-capacity electric propulsion motor comprising: a rotor shaft; a rotor core having the shape of a circular plate such that the rotor shaft is coupled through the center thereof; multiple permanent magnets buried along the circumferential direction of the rotor core; a winding coil disposed so as to surround the outer periphery of the rotor core; a stator core disposed so as to surround the outer periphery of the winding coil so as to undergo a magnetic force reaction with the permanent magnets; a motor housing disposed so as to surround the outer periphery of the stator core in a hollow cylinder shape, both sides of the motor housing being open; and a pair of covers coupled to both open sides of the motor housing, respectively, such that the rotor shaft is coupled through the center of each cover, a containing space being formed inside each cover. Multiple cooling holes are formed at a predetermined interval along the circumferential direction through both surfaces of the stator core positioned in the same direction as the axial direction of the rotor shaft. Cooling tubes are coupled to the multiple cooling holes, respectively. Cooling water introduced through one of the pair of covers is discharged through the other cover after passing through the cooling tubes.
Inventors:
SUNG SOYOUNG (KR)
PARK JUNGHYUNG (KR)
SHIM HYUNGWON (KR)
KIM YUNHO (KR)
PARK JUNGHYUNG (KR)
SHIM HYUNGWON (KR)
KIM YUNHO (KR)
Application Number:
PCT/KR2023/009614
Publication Date:
February 15, 2024
Filing Date:
July 06, 2023
Export Citation:
Assignee:
KOREA INST OCEAN SCI & TECH (KR)
International Classes:
H02K9/19; H02K1/20; H02K5/20; H02K9/22
Foreign References:
| KR20100077427A | 2010-07-08 | |||
| JPH099561A | 1997-01-10 | |||
| KR20110075824A | 2011-07-06 | |||
| KR100544004B1 | 2006-04-06 | |||
| KR100636002B1 | 2006-10-18 | |||
| KR102503158B1 | 2023-02-23 |
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (KR)
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