Bicycle with power assisting function
US6320336A · kind A · utility
85Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 30, 1999 |
| Grant date | Nov 20, 2001 |
| Priority date | — |
| Expiry date | Sep 30, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/72
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A bicycle with a power assisting function has an electric motor for adding part of propulsive forces to manual forces to assist in the manual forces, a battery for supplying electric energy to the electric motor, a treading force detecting circuit for detecting manual forces applied as propulsive forces, and a control circuit for controlling operation of the electric motor depending on the magnitude of detected manual forces. The electric motor is operable as an electric generator with extra manual forces for utilizing part of regenerated electric energy to charge the battery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.