Signals and indicators – Alarms – Thermal
Patent
1974-06-27
1976-06-08
Queisser, Richard C.
Signals and indicators
Alarms
Thermal
116112, 116142FP, 222 3, B67D 0510, G08B 1700
Patent
active
039615979
ABSTRACT:
In a temperature-sensitive alarm device incorporating a horn driven by a propellant which is stored in the liquid state in a pressure vessel, full utilization of the propellant for sounding the horn is obtained by incorporating into the pressure vessel a heat reservoir, such as a sealed bag of water, in order to release heat for maintaining rapid vaporization of the propellant.
REFERENCES:
patent: 365399 (1887-06-01), McDonald
patent: 2121673 (1938-06-01), White
patent: 2248073 (1941-07-01), Gage
patent: 2815152 (1957-12-01), Mills
patent: 2993466 (1961-07-01), Sklaroff et al.
patent: 3235137 (1966-02-01), Bonduns
patent: 3244137 (1966-04-01), Garvey
patent: 3536028 (1970-10-01), Adaglio
Lester William W.
Mason Lawrence V.
Bratlie Oistein J.
Queisser Richard C.
Slater Mandel E.
The Gillette Company
Wise Richard A.
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