POWER MODULE OF ELECTRIC BICYCLE
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United States of America Patent
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Issued Date -
Sep 3, 2015
app pub date -
Sep 8, 2014
filing date -
Mar 3, 2014
priority date (Note) -
Abandoned
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Abstract
The invention provides a power module of an electric bicycle comprising a first power unit, a reduction unit, a second power unit, and a driving unit. The first power unit outputs a first horsepower with a first rotating speed and a first torque. The reduction unit decreases the first rotating speed to a second rotating speed, and the first torque is increased to a second torque. The reduction unit outputs a second horsepower. The second power unit outputs a third horsepower. The driving unit is coupled with the reduction unit and the second power unit for outputting either the second horsepower or the third horsepower. The power module has the advantages of low speed, high torque, small size, and low cost.
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