Drive Device for an Electric Bicycle and Electric Bicycle
AssigneeFAZUA GmbH
InventorJohannes Biechele
Life of this patent
Estimating the term…
Abstract
In an embodiment a driving device for an electric bicycle includes a motor unit having an electric motor configured to drive the electric bicycle, a first gear stage and a second gear stage, wherein the first gear stage is coupled to the motor unit on the one hand and to the second gear stage on the other hand, wherein the second gear stage is configured to output a torque configured to drive the electric bicycle, and wherein the second gear stage is a strain wave gear and is arrangeable coaxially with respect to an axis of rotation of a pedal crank of the electric bicycle.
Claims14
1-10. (canceled)
A driving device for an electric bicycle, the driving device comprising:
- a motor unit comprising an electric motor configured to drive the electric bicycle;
- a first gear stage;
- and
- a second gear stage,
- wherein the first gear stage is coupled to the motor unit on the one hand and to the second gear stage on the other hand,
- wherein the second gear stage is configured to output a torque configured to drive the electric bicycle, and
- wherein the second gear stage is a strain wave gear and is arrangeable coaxially with respect to an axis of rotation of a pedal crank of the electric bicycle.
Dependencies are inferred from the claim text.