Title:
SPRAY HEAD FOR LIQUEFIED FIRE-EXTINGUISHING AGENT
Document Type and Number:
WIPO Patent Application WO/2018/212160
Kind Code:
A1
Abstract:
In order to provide a spray head for a liquefied fire-extinguishing agent that has excellent diffusion characteristics and vaporization characteristics, enables expansion of a fire extinguishing range which can be covered by a single spray head, and enables an increase in the ratio of noise reduction, the present invention provides a spray head 1 installed in order to discharge a liquefied fire-extinguishing agent to an area to undergo fire extinguishing in a fire extinguishing facility that uses the liquefied fire-extinguishing agent, the spray head 1 comprising a spray head body 2 to which piping that supplies the liquefied fire-extinguishing agent is connected, an orifice plate 3 that is arranged in the spray head body 2 and has orifices 31 formed therein, a block-form porous member 4 provided to an outlet part of the orifices 31, and a deflector 6 arranged on the porous member 4 and separated by a discharge gap D for the liquefied fire-extinguishing agent.
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Inventors:
INOUE YASUFUMI (JP)
YABUSHITA MASAHIRO (JP)
KAMO MITSUNORI (JP)
YABUSHITA MASAHIRO (JP)
KAMO MITSUNORI (JP)
Application Number:
PCT/JP2018/018699
Publication Date:
November 22, 2018
Filing Date:
May 15, 2018
Export Citation:
Assignee:
KOATSU CO LTD (JP)
International Classes:
A62C31/02; B05B1/00
Foreign References:
| JP5276730B1 | 2013-08-28 | |||
| JP2012070774A | 2012-04-12 | |||
| JPS62174547U | 1987-11-06 | |||
| US20110259617A1 | 2011-10-27 | |||
| EP1151800A2 | 2001-11-07 | |||
| JP2011125673A | 2011-06-30 |
Other References:
See also references of EP 3626313A4
Attorney, Agent or Firm:
MORI, Osamu (JP)
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