Fire extinguishers – Fluid systems – Pump supply
Patent
1990-12-21
1992-05-19
Focarino, Margaret A.
Fire extinguishers
Fluid systems
Pump supply
169 16, A62C 3558, A62C 3568, A62C 3500
Patent
active
051139448
ABSTRACT:
There is provided a simple fire extinguishing apparatus comprising a fire sensor 2 and a fire extinguishing water spraying head 3 positioned at required positions, a water tank 1 serving as a water supply source, a level switch 13 and a resupply port 10 which is not in contact with the water surface, installed in the water tank 1, a driving pump 7, a main pipe 5 allowing the suction and delivery sides of the driving pump 7 respectively to communicate with the water tank 1 and the fire extinguishing water spraying head 3, a control valve 8 installed in the main pipe 5 and adapted to be actuated by the fire sensor 2 and the level switch 13, a resupply pipe 4 branching from a tap water pipe 11 and extending to communicate with the resupply port 10, and a control valve 9 installed in the resupply pipe 4 and adapted to be actuated by the fire sensor 2 and the level switch 13, the arrangement being such that when a fire breaks out, water is fed from the water tank 1 through the main pipe 5 to the fire extinguishing water spraying head 3 and concurrently therewith water is resupplied from the tap water pipe 11 through the resupply pipe 4 and the resupply port 10 to the water tank 1.
REFERENCES:
patent: 3179181 (1965-04-01), Banzato
patent: 4140146 (1979-02-01), Slanker
patent: 4183721 (1980-01-01), Peterson
patent: 4330040 (1982-05-01), Ence et al.
patent: 4366865 (1983-01-01), Makibbin
patent: 4428434 (1984-01-01), Gelaude
patent: 4991657 (1991-02-01), LeLande, Jr.
Fujita Masayoshi
Ishida Kando
Muruyama Yoshiharu
Nakagawa Seiichi
Shiota Masanori
Focarino Margaret A.
Kannofsky James M.
Morita Pump Kabushiki Kaisha
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