Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jungwook Moon0
Changhum Jo0
Minjung Kim0
Taehee Kwak0
Jongsu Kim0
Date of Patent
February 6, 2024
0Patent Application Number
174212300
Date Filed
January 7, 2020
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
The present invention relates to a motor comprising: a motor housing; a stator which is provided in the motor housing and has a coil; a rotor installed in the stator to be rotatable about a rotary shaft; and a spray hole which is formed in the circumferential surface of the rotor by passing through the circumferential surface in a radial direction and which sprays a cooling fluid in the motor housing onto the coil according to the rotation of the rotor. Therefore, cooling by oil convection can be accelerated while minimizing resistance due to the oil.
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