Fire extinguishers – Processes – Of extinguishing fire
Patent
1991-03-21
1992-04-21
Focarino, Margaret A.
Fire extinguishers
Processes
Of extinguishing fire
169 49, 169 52, 169 69, A62C 306
Patent
active
051058936
ABSTRACT:
The present invention is an oil well fire extinguisher. The oil well extinguisher has a base and a wall structure which extends upwards from the base to enclose an area above the base. Integral with the base is a flange assembly having a series of flanges encircling the base and on which the oil well fire extinguisher is supported. A base opening encircled by a flange leads into a main or throttle chamber within the wall structure. The throttle chamber is encompassed by a throttle assembly which extends upward from the base at an acute angle, resulting in the area of the throttle chamber to decrease as the chamber extends upwards towards the top of the wall structure. A ceramic cap is fixed at the top of the wall structure and deflects oil and heat from the throttle chamber, through velocity diffusion bars, and into an outer collection chamber. The outer collection chamber has velocity diffusion plates having angled lips and extending therein to help with the collection of unburnt oil. In operation, the oil well extinguisher's base opening is placed over an oil well or oil collection system. Unburnt oil and energy is directed upwards through the main chamber by the throttle assembly, deflected by the ceramic cap, and directed into the collection chamber. The unburnt oil collects in the collection chamber and spills over into the main chamber to help suffocate the fire.
REFERENCES:
patent: 739377 (1903-09-01), Bell
patent: 1807498 (1931-05-01), Teed
patent: 1857788 (1932-05-01), Murphy
patent: 1859606 (1932-05-01), Sievern et al.
patent: 3463227 (1969-08-01), Smith
patent: 3664429 (1972-05-01), Jones
Focarino Margaret A.
Pike Andrew C.
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