SPRINKLER Russian patent published in 2005 - IPC

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

SUBSTANCE: sprinkler comprises heat-sensitive member made of shape-memory metal. Heat-sensitive member is formed as a clamp located on outside support fixedly connected to sprinkler body. Clamp retains springing bent plate in contact area. The plate is fixedly secured to outside support and facing glass tube breaking means by convex side thereof. Glass tube breaking means is formed includes spring-loaded striking head arranged in orifice formed in boss of body bail and striker located coaxially to striking head. Striker tail is inserted in boss orifice so that striker may move in axial direction towards rest means and cooperate with striking head.

EFFECT: increased speed of sprinkler response, possibility to use at fire-hazardous zones of production.

2 cl, 5 dwg