Patent · US Active

Vehicle operable by motor and by muscular energy

US9555854B2 · kind B2 · utility

3Cited by

2References

12Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Karl Bendel · Schwieberdingen, DE
Hans-Peter Dommsch · Lichtenau, DE
Katrin Martini · Ditzingen, DE
Gerd Dornhoefer · Leonberg, DE

Key dates

Filing date	Mar 3, 2014
Grant date	Jan 31, 2017
Priority date	—
Expiry date	Mar 3, 2034

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H15/42
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A vehicle is provided which is operable to motor power and/or pedal power, in particular an electric bicycle, which includes a crankshaft drive having a bottom bracket spindle, a chain ring, which outputs a drive torque for the vehicle to a chain, an electric drive, and a cone ring transmission for the continuous variation of a gear step ratio, the cone ring transmission and the electric drive being situated at the crankshaft drive, and the cone ring transmission being connected to the crankshaft drive and set up in such a way that a torque generated by the rider is transmitted to the chain ring.

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