Gas leak detector

Details Gas leak detector Gas leak detector

1982-09-20

1984-09-11

Tung, T.

Chemistry: electrical and wave energy

Processes and products

204427, 204428, G01N 2746, G01N 710

Patent

active

044708823

ABSTRACT:
Disclosed is a gas leak detector comprising; a tubular gas-sensitive element defining openings at both ends thereof, one end being a gas inlet and the other end a gas outlet, and made of an oxygen-ion conductive solid electrolyte; a set of electrodes provided respectively on the inner and outer walls of the gas-sensitive element, the electrode on the outer wall being kept in contact with a reference gas; a heater adapted to heat the gas-sensitive element to a predetermined temperature at a location corresponding to the set of electrodes; and a catalytic layer provided on the surface of the electrode on the inner wall being kept in contact with a target gas.

REFERENCES:
patent: 3658479 (1972-04-01), Heijne et al.
patent: 3870743 (1975-03-01), Ibing et al.
patent: 3871981 (1975-03-01), Flais et al.
patent: 3936794 (1976-02-01), Beaudoin et al.
patent: 3981785 (1976-09-01), Sandler
patent: 4059628 (1977-11-01), Del Pesco et al.
patent: 4113745 (1978-09-01), Strojny et al.
patent: 4269737 (1981-05-01), Grenoble et al.

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