Patent ID: 9327151
Filing Date: 2016-05-03
CPC Classification: A62C,B05B,Y10T

Claim Text:
1. A fire-fighting extinguisher nozzle for providing a spray of fine droplet mist of liquid into a space, room or a cavity, comprising: a housing; a number of holes integral to the housing of the nozzle; and a number of openings in the exterior surface of the housing of the nozzle, each of the number of openings being at an end of a respective hole of the number of holes, the openings configured to communicate with a liquid source through the respective hole of the number of holes formed in a nozzle material, enabling liquid in the form of a spray to be directed at least partly in lateral direction and/or at least partly in a sector axially out from the nozzle, the nozzle being associated with a trigger mechanism, to initiate a spraying effect by allowing an extinguishing liquid to be sprayed out of the openings of the nozzle when heat or fumes are detected, wherein at least some of the number of holes are configured in such way that a mist of minute droplets is created by the respective opening of the number of openings, and are provided with a deflecting surface arranged inside the number of holes in the nozzle material, configured to cause formation of the mist spray of crushed liquid immediately inside the number of holes, the openings of the at least some of the number of holes having a crescent cross sectional shape.