| 摘要 |
PROBLEM TO BE SOLVED: To improve a fire fighting capacity of a sprinkling nozzle for fire fighting so that the quantity of ejected water is saved to reduce a damage by the water. SOLUTION: The sprinkling nozzle for fire fighting of a stationary fire fighting facility is connected to the piping for fire fighting through which a fire extinguisher or water is supplied and which sprays the fire extinguisher or water when a fire breaks, wherein a pulsating ejection mechanism, which intensively ejects the prescribed quantity of the fire extinguisher or water instantly and repeats the intensive ejection periodically, is disposed and the pulsating ejection mechanism is equipped with a pressure actuation mechanism by a compressible fluid. The pressure actuation mechanism comprises a body 80 wherein a water discharging aperture is formed in the circumference, a movable cylinder 83 which can move vertically, and an outer cylinder 84 which leaves the water discharging aperture open. COPYRIGHT: (C)2005,JPO&NCIPI
|
