System for detecting failures in fuel systems

Details System for detecting failures in fuel systems System for detecting failures in fuel systems

2007-04-03

2010-06-22

Williams, Hezron (Department: 2856)

Measuring and testing

Instrument proving or calibrating

Liquid level or volume measuring apparatus

Reexamination Certificate

active

07739897

ABSTRACT:
A diagnostic system and method for detecting failures in a fuel system of a vehicle includes a fuel level monitoring module that determines a first change in a first fuel level of a first fuel tank based on data received from a first fuel level sensor and determines a second change in a second fuel level of a second fuel tank based on data received from a second fuel level sensor. A sensor diagnosing module evaluates operation of the second fuel level sensor based on the first change in the first fuel level.

REFERENCES:
patent: 6332358 (2001-12-01), Atkinson
patent: 2006/0065040 (2006-03-01), Grunwald et al.
patent: 2007/0266762 (2007-11-01), Rumpf
patent: 259450 (1988-08-01), None
patent: 19617987 (1997-11-01), None
patent: 102004047071 (2006-04-01), None
patent: WO 2006/034937 (2006-04-01), None
Office Action for German Application No. 10 2008 016 509.3-52 dated Sep. 14, 2009; 4 pages.

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