Patent ID: 8408482
Filing Date: 2013-04-02
Classification: B05B,F16K,G05D,Y10T

Abstract:
1. A sprinkler for distributing water, the sprinkler comprising: a housing defining an interior surface; and a pressure regulating apparatus mounted in the housing, the pressure regulating apparatus including: wherein the housing includes: a stationary housing including an inlet for receiving water under pressure from a water source, a moveable housing received within the stationary housing and having a retracted position relative to the stationary housing when the sprinkler is shut off and having an extended position relative to the stationary housing with the sprinkler is activated to distribute water from a nozzle on the moveable housing, wherein the first cavity is defined by the pressure responsive member and a first cavity surface stationary relative to the moveable housing, and a first seal member positioned to form an interface between a portion of the pressure responsive member and the first cavity surface to generally prevent the flow of water and air across the interface.