Measuring fuel by counting coulombs
US7397217B2 · kind B2 · utility
14Cited by
0References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2003 |
| Grant date | Jul 8, 2008 |
| Priority date | — |
| Expiry date | May 7, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Subject matter includes an electric charge counting fuel gauge that displays an amount of fuel based on electric charges obtained from a fuel. The electric charge counting fuel gauge can display an amount of fuel used in a power source and the amount of fuel remaining in a fuel supply.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.