SPRINKLER Russian patent published in 2005 - IPC

FIELD: fire-fighting equipment, particularly for spraying liquid in controllable space during fire extinguishment.

SUBSTANCE: sprinkler has body with orifice closed with valve rigidly connected to deflector through thrust means. Deflector comprises screw with support and hub with orifice. Sprinkler also has sealing member and heat-sensitive member. Bush is installed in the orifice so that the bush may perform axial movement. Sealing member is made as a wire clamp mounted in two through holes created on the hub and on peripheral bush surface. Closed end of the clamp formed of springy material is rigidly secured to deflector periphery from hub side. Free clamp ends are fixed by means of heat-sensitive member. The heat-sensitive member is made as tube of fusible alloy and pressed from both sides by closed clamp end.

EFFECT: simplified structure along with provision of necessary response speed.

5 dwg