Method and apparatus for testing of tank integrity of vehicle fu

Details Method and apparatus for testing of tank integrity of vehicle fu Method and apparatus for testing of tank integrity of vehicle fu

1993-08-31

1994-12-06

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

G01M 332

Patent

active

053699840

ABSTRACT:
A method and apparatus for testing vehicle fuel tank integrity determines the free space in the system by pressurizing the system with a known quantity of gas. The loss in pressure over a test period is then monitored. These data are used to calculate the size of the leak. Alternatively, the free volume is compared to a reference volume and a normalized leak rate computed for comparison to reference values.

REFERENCES:
patent: 4575807 (1986-03-01), Dodge

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