Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1982-09-29
1985-05-14
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
422 94, 73 27R, 340634, 324 715, G01N 2716, G08B 2100
Patent
active
045171610
ABSTRACT:
A system for sensing and annunciating the presence at any one of a plurality of locations of accumulations of potentially hazardous gaseous and vapor mixtures prior to their reaching a lower explosive limit thereof. The system has particular applicability to aircraft, and has a number of advantageous features such as adjustable annunciator set points which are settable between relatively wide lower explosive level limits, compensation in the sensor circuitry for temperature variations, built in diagnostic and test features, and a circuit design wherein multiple sensors at multiple locations are operable independently of each other.
REFERENCES:
patent: 4045794 (1977-08-01), Ohta
patent: 4088986 (1978-05-01), Boucher
patent: 4285473 (1981-08-01), Williams
Manual for Figaro Gas Sensor TGS #813, by Figaro Engineering Inc., Jul. 1, 1978.
Amendment of Solicitation/Modification of Contract Contractor: Grumman Aerospace Corporation Amendment to Statement of Work.
Charland, Jr. Edmund G.
Gravina Anthony N.
Keitel Murray
Weiss Harvey
Wiley Joseph N.
Carrier Joseph P.
Grumman Aerospace Corp.
Richman Barry S.
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