Bicycle generator hub

Details Bicycle generator hub Bicycle generator hub

2007-10-30

2007-10-30

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S07500D, C310S156660, C310S156710, C310S190000

Reexamination Certificate

active

11114066

ABSTRACT:
A bicycle generator hub is mounted to the front fork of a bicycle and includes a hub shaft, a hub shell, bearings, a generator mechanism and first and second magnetic flux recirculation members. The hub shaft is non-rotatably mounted to the front fork. The hub shell is disposed around the surface of the hub shaft. The bearings are disposed between the hub shell and the hub shaft to enable the hub shell to rotate relative to the hub shaft. The generator mechanism has a coil mounted to the hub shaft and a magnet unit disposed such that the generator mechanism generates electric power via the rotation of the hub shell relative to the hub shaft. The first and second magnetic flux recirculation members are disposed on the hub shaft or the hub shell and return a leaked magnetic flux to the coil.

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