Fuel tank leak detection apparatus

Details Fuel tank leak detection apparatus Fuel tank leak detection apparatus

1988-07-20

1989-09-05

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

G01M 320

Patent

active

048627313

ABSTRACT:
A method and device for testing for leaks in fuel tanks. The method requires a vacuum be drawn around the fuel tank while a test gas is injected into the tank. Any leaks in the tank will permit the test gas to be drawn into the vacuum chamber, the output of which is tested by a sensor sensitive to the test gas. The entire test is conducted assuring speed, accuracy and safety. The device contains a vacuum chamber which is molded directly upon the tank to be tested, thereby minimizing the size of the vacuum chamber. The device also contains a sealing system which is adjustable. An optional addition to the system is a method of localizing a leak that is detected.

REFERENCES:
patent: 3729983 (1973-05-01), Coppens
patent: 3813923 (1974-06-01), Pendleton
patent: 3949598 (1976-04-01), Bergstrand
patent: 4012945 (1977-03-01), Bergstrand
patent: 4584877 (1986-04-01), Brayman
patent: 4754638 (1988-07-01), Brayman
patent: 4791805 (1988-12-01), Gates

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