Method and apparatus for reducing ozone

Details Method and apparatus for reducing ozone Method and apparatus for reducing ozone

1979-07-05

1980-12-23

Smith, William F.

Chemistry: physical processes

Physical processes

Crystallization

23232R, 422 83, 422111, 422123, 98 15, 422 62, 422117, 423219, 423210, G01N 2762, G01N 2700, G05D 700

Patent

active

042407982

ABSTRACT:
In the decomposition of ozone in aircraft, the ozone level in an airflow upstream of the aircraft cabin is measured and a signal generated in accordance with the sensed level. This signal is amplified to a given value and a valve is opened or closed in response thereto. Connected to the valve is a source of nitric oxide under pressure. When the valve is opened a measured quantity of nitric oxide is dispensed to a location in said airflow remote from said ozone monitoring device.

REFERENCES:
patent: 2056663 (1936-10-01), Foulke
patent: 3151943 (1964-10-01), Fujimoto et al.
patent: 3242058 (1966-03-01), Ganley et al.
patent: 3854882 (1974-12-01), Washburn
patent: 3871831 (1975-03-01), Ardral et al.
patent: 3973914 (1976-08-01), van Heusden
patent: 4168295 (1979-09-01), Sawyer
ICAS Proceedings 1978, issued 10-16 Sep., 1978, pp. 207-216.
Chemical Abstracts, vol. 84, 1976, abstract No. 49505s, Osechkin, V. V., "Estimation of Possible Ozone Concentration in the Cabins of Supersonic Transport Planes under Different Flight Conditions".
Chemical Abstracts, vol. 84, 1976, abstract No. 34791l, Osechkin, V. V., "Use of a Chemical Method to Study the Ozone Content in Cabins of Jet Airplanes".
Chemical Abstracts, vol. 84, 1976, abstract No. 64830n, Ichikawa, K. et al, "The Removal of Ozone from Waste Gases".
Chemical Abstracts, vol. 79, 1973, abstract No. 3478y, Bischof, W., "Ozone Measurements in Jet Airliner Cabin Air".

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