Fire extinguishing system including sensor comparable to determi

Details Fire extinguishing system including sensor comparable to determi Fire extinguishing system including sensor comparable to determi

1980-05-12

1981-05-19

Spar, Robert J.

Fire extinguishers

Portable vessels

Gas pressure

73345, 733637, A62C 2308

Patent

active

042678900

ABSTRACT:
A fire extinguishing system including a pressure vessel (10) adapted to contain under pressure a fire extinguishing material, an outlet (12, 14, 16) connected to the vessel and selectively operable to release extinguishing material therefrom, and a pressure sensing device (18) in fluid communication with the interior of the vessel. The invention contemplates the improvement wherein a temperature sensing device (26) is in proximity to the vessel for determining the temperature in the environment of the vessel and that the scale (24) of the pressure sensing device is scaled in temperature units. The temperature sensing device and the scale (24) are so correlated that a visual comparison of the two will indicate whether the vessel is properly charged at any of a set of widely fluctuating ambient temperatures.

REFERENCES:
patent: 2239221 (1941-04-01), Dimmock
patent: 2655219 (1953-10-01), Ensminger
patent: 3088522 (1963-05-01), Zellner
patent: 3209595 (1965-10-01), Harland
patent: 3330158 (1967-07-01), Simonyan et al.
patent: 3610208 (1971-10-01), Penning

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