COLLISION-TYPE FINE SPRAY FIRE-FIGHTING FOG NOZZLE

WIPO Patent Application WO/2021/206205

A1

The present invention relates to a collision-type fine spray fire-fighting fog nozzle comprising: a main body having an inlet, in through which firewater flows, formed at one longitudinal end thereof, and having an outlet, out through which the firewater having flowed in through the inlet flows, formed at the other longitudinal end thereof; a fixed pipe coupled to the outlet so as to provide a firewater flow path; a deflector insertively provided at the front of the fixed pipe so as to come in contact with the firewater; a rotating pipe which spirally engages with the outer peripheral surface of the fixed pipe, and which moves forward or backward according to the rotational direction thereof so as to switch the firewater flow path inside the fixed pipe; and a spray head coupled to the front end of the rotating pipe so as to spray, through a jet spray hole and/or a fine spray hole, the firewater flowing along the fixed pipe, wherein the spray head sprays, in any one of forms of fine spray, fine and jet mixed spray, jet spray, acute-angled jet spray, and obtuse-angled jet spray, the firewater by means of the switching of the firewater flow path according to the movement of the rotating pipe.

KIM CHANG (KR)
OH SUK BEOM (KR)

PCT/KR2020/005166

October 14, 2021

April 17, 2020

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FIRESYS CO LTD (KR)

A62C31/02; A62C31/03; B05B1/26; B05B1/30; B05B3/02; B05B3/10; B05B9/01; B05B12/00

KR101860229B1	2018-06-29
KR101917569B1	2018-11-09
KR101532592B1	2015-07-01
KR101899380B1	2018-09-17
KR101902124B1	2018-09-27

KIM, Jung Su (KR)

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