Hydrocarbon vapor sensor and system

Details Hydrocarbon vapor sensor and system Hydrocarbon vapor sensor and system

1991-12-13

1992-09-29

Williams, Hezron E.

Measuring and testing

Gas analysis

Detector detail

G01N 2712, G01M 316

Patent

active

051506033

ABSTRACT:
A hydrocarbon vapor sensor which is simple and low cost and can easily detect the existence of hydrocarbon vapor. The device is temperature compensated so that a change in resistance due to a change in temperature is avoided and an accurate response is always provided. The sensor can be used in a system in which a number of sensors are provided at various depths to determine whether a leak or a ground spill has occurred.

REFERENCES:
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patent: 3045198 (1962-07-01), Dolan et al.
patent: 3999122 (1976-12-01), Winstel et al.
patent: 4236307 (1980-12-01), Colla et al.
patent: 4387359 (1983-06-01), Tien et al.
patent: 4631952 (1986-12-01), Donaghey
patent: 4633704 (1987-01-01), Tantram et al.
patent: 4674320 (1987-06-01), Hirschfeld
patent: 4745796 (1988-05-01), Abdelrahman et al.
patent: 4928513 (1990-05-01), Sugihara et al.

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