Gearless human power generation
US8093731B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2007 |
| Grant date | Jan 10, 2012 |
| Priority date | — |
| Expiry date | Jun 10, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B21/0053
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric power generation system is disclosed. The electric power generation system comprises a string configured to be pulled. The electric power generation system further comprises a bobbin configured to rotate when the string is unwound from the bobbin. The electric power generation system further comprises an electric power generator having a rotor. The rotor is configured to rotate such that the ratio of number of rotations of the rotor and the bobbin is 1:1 when the string is being pulled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.