Testing a fuel tank vacuum sensor

Details Testing a fuel tank vacuum sensor Testing a fuel tank vacuum sensor

2008-05-20

2008-05-20

Williams, Hezron (Department: 2856)

Measuring and testing

Instrument proving or calibrating

Fluid pressure

C073S049300

Reexamination Certificate

active

07373799

ABSTRACT:
A method of determining whether a vacuum/pressure sensor in a vehicle fuel tank correctly indicates a vacuum level in the tank. An input from the sensor is obtained. The tank is sealed for a predetermined time period. After the time period, another input is obtained from the sensor and the sensor inputs are compared.

REFERENCES:
patent: 5490414 (1996-02-01), Durschmidt et al.
patent: 6321727 (2001-11-01), Reddy et al.
patent: 6550316 (2003-04-01), Wong et al.
patent: 6684151 (2004-01-01), Ring
patent: 2001/0042399 (2001-11-01), Dawson et al.
patent: 2004/0068360 (2004-04-01), Saito et al.

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