System for detecting failures in fuel systems
US7878057B2 · kind B2 · utility
4Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2007 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | May 24, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F25/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A diagnostic system and method includes a fuel level sensor that senses a fuel level in a fuel tank and a sensor diagnostic module that monitors a fuel transfer mechanism for a time period, that calculates a change in the fuel level, and that evaluates operation of the first fuel level sensor based on the change and the predetermined period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.