Patent ID: 6360970
Filing Date: 2002-03-26
Classification: A62C,B05B

Abstract:
A water diffuser for use in the testing or draining of an automatic fire sprinkler system; comprising:a. a circular top member having an exterior surface, an interior surface, an outer periphery, and a centrally located hole extending therethrough from said exterior surface to said interior surface; b. a threaded pipe section affixed to said circular top member in communication with said centrally located hole through said circular top member and projecting upwardly from said exterior surface of said circular top member; c. a wall member comprising a cylindrical surface having an extent of approximately 180 degrees, said wall member having a proximal end, a distal end, an exterior side, and an interior side; said wall member extending downwardly from said circular top member and having its proximal end attached along said outer periphery of said circular top member; d. a series of spaced apart circular diffuser plates, each circular diffuser plate having an outer periphery attached to said interior side of said wall member, and each circular diffuser plate having a centrally located hole extending therethrough, said centrally located holes through said circular diffuser plates being aligned with each other and with said centrally located hole in said circular top member, and said centrally located holes in said circular diffuser plates progressively decreasing in diameter from said proximal end of said wall member to said distal end of said wall member; and, e. a circular bottom plate attached to said distal end of said wall member.