Hub motor structure
AssigneeMando Corporation
InventorJoon-Kyu Song
Life of this patent
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Abstract
Disclosed is hub motor structure installed on a bicycle, the hub motor structure including a hollow shaft installed on a frame of the bicycle, a housing rotatably installed on the hollow shaft, and connected to a wheel at an outer circumferential surface thereof through spokes, a cover rotatably installed on the hollow shaft while installed on the housing, and on which a driven sprocket connected to a chain is provided to receive a pedaling force, a motor disposed in the housing and generating a rotary force to drive the wheel, a continuous variable transmission (CVT) disposed in the housing to selectively shift power supplied from the motor, a power transmission unit configured to transmit a rotary force of the motor to the CVT, and a gear unit configured to transmit a rotary force output from the CVT to the housing.
Claims12
A hub motor structure installed on a bicycle, the hub motor structure comprising:
- a hollow shaft installed on a frame of the bicycle;
- a housing rotatably installed on the hollow shaft, and connected to a wheel at an outer circumferential surface thereof through spokes;
- a cover rotatably installed on the hollow shaft while installed on the housing, and on which a driven sprocket connected to a chain is provided to receive a pedaling force;
- a motor disposed in the housing and generating a rotary force to drive the wheel;
- a continuous variable transmission (CVT) disposed in the housing to selectively shift power supplied from the motor;
- a power transmission unit configured to transmit a rotary force of the motor to the CVT;
- and
- a gear unit configured to transmit a rotary force output from the CVT to the housing.
Dependencies are inferred from the claim text.