Fire extinguishers – Special applications – Condition responsive control
Patent
1997-08-27
1998-08-18
Pike, Andrew C.
Fire extinguishers
Special applications
Condition responsive control
239488, A62C 3744
Patent
active
057947058
ABSTRACT:
A fire extinguishing apparatus can quickly extinguish a fire in the early stages by ejecting a pressurized liquid in the form of a fine spray, and can effectively extinguish a fire even when an extensive fire occurs. The apparatus has a frame, a cap member assembled into the upper portion of the frame, and a spraying nozzle assembly coupled to the underside of the frame. The spraying nozzle assembly has a plurality of nozzle sections. The nozzle section includes a hollow nozzle body, a swirler accommodated in the hollow nozzle body in order to apply centrifugal force to the highly pressurized liquid passing therethrough, a swirler holder which is inserted in the upper portion of hollow nozzle body and contacts with the upper surface of the swirler so as to prevent the swirler from moving, and a nozzle tip having an orifice for spraying the pressurized liquid to the fire. The nozzle tip is inserted in the lower portion of the hollow nozzle body.
REFERENCES:
patent: 916984 (1909-04-01), Bleymehl
patent: 2699217 (1955-01-01), Elmenhorst
patent: 3504893 (1970-04-01), Susuki et al.
patent: 3866687 (1975-02-01), Banner
patent: 4836290 (1989-06-01), Le Lande, Jr.
Jang Yong Bae
Kim Myung Bae
Korea Institute of Machinery and Metals
Pike Andrew C.
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