Fire extinguishers – Special applications – For cooking installation
Patent
1992-03-31
1994-03-29
Mitchell, David M.
Fire extinguishers
Special applications
For cooking installation
A62C 300
Patent
active
052976360
ABSTRACT:
A fire extinguishing system for a residential cookstove or range includes a fire extinguisher mounted above a hood in a cabinet positioned over the cookstove or range. The fire extinguisher is connected by flexible hoses and/or adjustable pipes to a pair of nozzles within the hood to dispense fire suppressant over the cookstove or range. The fire extinguisher includes an operator normally biased to the operable position, but held in the inoperable position by a cable system having a plurality of fusible or reusable, heat-activated links distributed therein. The cable system is held in tension adjacent the inner periphery of the hood and includes a section of chain to facilitate installation. Upon the occurrence of a fire, at least one of the links separates, releasing the cable system and allowing the operator to move to the operating position whereby the fire extinguisher releases the fire suppressant. Upon the fire extinguisher's releasing the fire suppressant, a hose connected to a pneumatically operated valve in the gas supply line is pressurized. When the hose is pressurized, the valve closes, shutting off the supply of gas to the stove. The valve includes a reset button to restart the flow of gas once the system is reactivated.
REFERENCES:
patent: 4773485 (1988-09-01), Silverman
patent: 4979572 (1990-12-01), Mikulec
patent: 5048791 (1991-09-01), Ellison et al.
patent: 5127479 (1992-07-01), Stehling et al.
Hoge Gary C.
Mitchell David M.
Twenty First Century
LandOfFree
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