Title:
SPRAY HEAD FOR GASEOUS FIRE EXTINGUISHING EQUIPMENT HAVING SILENCING FUNCTION
Document Type and Number:
WIPO Patent Application WO/2013/125383
Kind Code:
A1
Abstract:
The purpose of the invention is to provide a spray head for gaseous fire extinguishing equipment, which is configured so that the noise reduction rate can be increased and the spray reaction force of the fire extinguishing agent gas on the spray head when the fire extinguishing agent gas is released can be reduced using a small spray head. A spray head (1), which is installed in gaseous fire extinguishing equipment that uses a fire extinguishing agent gas to release the fire extinguishing agent gas on the area in which fire is to be extinguished and which is provided with a silencing means. The silencing means is configured from a block-shaped silencing member (4), which is disposed on the outlet section of an orifice (31) and is obtained from a porous material through which gas can flow. The end face on one side of the silencing member (4) is disposed in contact with the main body (2) of the spray head, and the circumferential surface and the end face on the other side of the silencing means (4), excluding the portion in contact with a ring member (6) that fixes the silencing member (4) to the main body (2) of the spray head via bolts (5), are open to the atmosphere.
Inventors:
YABUSHITA MASAHIRO (JP)
INOUE YASUFUMI (JP)
INOUE YASUFUMI (JP)
Application Number:
PCT/JP2013/053194
Publication Date:
August 29, 2013
Filing Date:
February 12, 2013
Export Citation:
Assignee:
KOATSU CO LTD (JP)
International Classes:
A62C31/02; B05B1/00
Foreign References:
| EP1151800A2 | 2001-11-07 | |||
| JP2011255152A | 2011-12-22 | |||
| JP2011125673A | 2011-06-30 | |||
| JP2011115255A | 2011-06-16 | |||
| JP2011125673A | 2011-06-30 | |||
| JP2011255152A | 2011-12-22 |
Other References:
See also references of EP 2818207A4
Attorney, Agent or Firm:
MORI, OSAMU (JP)
Woods 治 (JP)
Woods 治 (JP)
Download PDF:
Claims: