Title:
FIRE EXTINGUISHING EQUIPMENT
Document Type and Number:
Japanese Patent JP3852918
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent a foaming water solution from flowing out when no fire occurs.
SOLUTION: Fire extinguishing equipment provided with a mixer 14 and an undiluted solution tank 16 storing a foaming undiluted solution is provided with a prevention valve 17 between the mixer and the undiluted solution tank to control the foaming water solution from flowing out from the inside of the undiluted solution tank when no fire occurs. A closed type water extinguishing head 28 is provided at the secondary side piping 27 of a water flow detector 10, and inside of the piping is filled with water in the case of monitoring. In the case of a fire, after discharging water from the water extinguishing head, the forming water solution is discharged. A normally closed remote opening valve 36 which opens for a fixed period in case of the fire is provided at the primary side piping 11 of the water flow detector to drain water inside of the piping. The water filling inside of the piping is replaced with the forming water solution.
Inventors:
Hiroyuki Yoshiba
Yuzo Uchiyama
Yuzo Uchiyama
Application Number:
JP2001388580A
Publication Date:
December 06, 2006
Filing Date:
December 20, 2001
Export Citation:
Assignee:
Nomi Disaster Prevention Co., Ltd.
International Classes:
A62C35/68; A62C31/12; A62C35/60; (IPC1-7): A62C35/68; A62C31/12
Domestic Patent References:
| JP2001000573A | ||||
| JP58179156U | ||||
| JP2001157721A | ||||
| JP7108069A | ||||
| JP10024119A |