Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Li Hsuan Huang0
Chin Feng Chang0
Hung Chun Ke0
Date of Patent
December 31, 2019
0Patent Application Number
162126590
Date Filed
December 6, 2018
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An integrated power module of an electric scooter includes a motor unit and a transmission unit. The motor unit includes a motor case, in which a stator, a rotor and a shaft are provided. A board is fixed to an end of the motor case, and a holder is fixed to the board. The transmission unit has a lid connected to the board to form a lubricant chamber. The motor shaft passes through the holder to the lubricant chamber. The transmission unit further includes a transmission shaft, which is connected to the motor shaft through a pair of meshed gears. The motor shaft is provided with a spiral slot to force lubricant in the holder flowing to the lubricant room instead of flowing to the motor unit when the motor shaft is rotating.
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