Electricity: motive power systems – Battery-fed motor systems
Patent
1999-09-17
2000-12-05
Ip, Paul
Electricity: motive power systems
Battery-fed motor systems
318376, 318140, 180220, 180206, 180207, H02P 314, B62M 2302
Patent
active
061571490
ABSTRACT:
A kinetic energy regenerating device for an electric motor bicycle by using an electric motor for rear wheel driving and is utilized as a dynamo. An objective of the present invention is achieved by a kinetic energy regenerating device by using an electric motor for an electric motor bicycle, a driving force of the electric motor rotates a rear wheel hub placed on a same axle of a rear axle sprocket through a chain and the rear axle sprocket engaging the chain, the kinetic energy regenerating device comprising: a first driving force transmission element rotates together with the rear wheel hub, and a second driving force transmission element driven by the first driving force transmission element, and an idler sprocket engaging with the chain and driven by rotation of the second driving force transmission element; and at a time of regenerating kinetic energy, rotation of the rear wheel hub makes the chain drive cyclically through the first driving force transmission element, the second driving force transmission element and the idler sprocket, the electric motor incorporated with the chain regenerates the kinetic energy.
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Ip Paul
Tokyo R&D Co., Ltd.
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