Patent · US Active

Hybrid drive for an electric bicycle

US9758212B2 · kind B2 · utility

5Cited by

5References

8Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Peter Kimmich · Schenefeld, DE
Mario Kustosch · Markgröningen, DE
Philipp Kohlrausch · Stuttgart, DE

Key dates

Filing date	Oct 30, 2009
Grant date	Sep 12, 2017
Priority date	—
Expiry date	Aug 27, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60Y2200/12
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A bicycle includes an electrical auxiliary drive, including an electric motor, a battery for storing electrical energy, which battery is connected to the electric motor, a crank mechanism having pedal cranks, which are mounted on a pedal crankshaft disposed about a crank axis, so as to be able to rotate, and a planetary gear for driving the bicycle both by the electric motor and by the muscle power of a driver, the planetary gear and the electric motor being disposed about the pedal crankshaft of the crank mechanism.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.