Patent ID: 8905151
Filing Date: 2014-12-09
Classification: A62C

Abstract:
1. An extended coverage pendent sprinkler assembly having a proximal end and a distal end, the sprinkler being configured for the fire protection of an occupancy classified as any one of: light hazard, ordinary hazard, extra hazard, rack storage with solid shelves and any combination thereof, the sprinkler comprising: a body having an inlet and an outlet spaced from the inlet to define a passageway to further define a sprinkler axis and a K factor of about 11 to 25 gpm/(psi) a deflector distally spaced from the outlet to distribute a fire fighting fluid over a maximum protection area of about 196 square feet so as to provide an average density as low as 0.23 gallons per minute per square foot (gpm/ sq. ft.), the deflector defining a plurality of tines disposed substantially perpendicular to the sprinkler axis; wherein the deflector defines a peripheral edge and includes a plurality of slots, a portion of the peripheral edge defining a pair of substantially straight parallel portions disposed about the sprinkler axis; and the plurality of slots including slots being disposed between the sprinkler axis and the peripheral edge to define closed ended slots.