Gas leak detection apparatus and methods

Details Gas leak detection apparatus and methods Gas leak detection apparatus and methods

1987-05-05

1988-08-30

Levy, Stewart J.

Measuring and testing

With fluid pressure

Leakage

73 40, G01M 326

Patent

active

047667630

ABSTRACT:
There is disclosed a gas leak detector employing pressure transducers. In one embodiment the pressure in a vessel is monitored by means of a pressure transducer. The output of the pressure transducer is coupled to an operational amplifier whereby the amplifier has a gain which is proportional to 1/T absolute. In this manner, since the gain is inversely proportional to temperature, the amplifier will produce an output which is independent of temperature but which is capable of providing a pressure indication when there is a gas leak in the container.

REFERENCES:
patent: 2924965 (1960-02-01), Westerheim
patent: 3012432 (1961-12-01), Moore et al.
patent: 3978710 (1976-09-01), Ratajski
patent: 4480478 (1984-11-01), Sato et al.
patent: 4556807 (1985-12-01), Yamada et al.
patent: 4604899 (1986-08-01), Yamada et al.
patent: 4667516 (1987-05-01), Schulz

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