Patent ID: 6367501
Filing Date: 2002-04-09
Classification: F16K,Y10T

Abstract:
An anti-geyser shut-off valve assembly for a water sprinkler irrigation system comprising:a valve housing having a tubular body portion having a vertically extending Y-axis, a top end, a bottom end, an outer surface and an inner surface; a vertically oriented elongated shaft member having a Y-axis, a top end, a bottom end, an outer surface and a bore hole extending from said top end to said bottom end; fixed support means connecting said inner surface of said tubular body portion to said outer surface of said shaft member to form a unitary structure; a valve member having a vertically oriented tubular sleeve having a Y-axis, a top end, a bottom end, an outer surface and a vertical bore hole having an inner surface; a disc portion having a top surface, an outer edge, a bottom surface, a bore hole having a Y-axis and said top surface of said disc portion is connected to said bottom end of said tubular sleeve; said shaft member of said valve housing being telescopically received in said bore hole of said tubular sleeve of said valve member; spring means biasing said valve member away from said valve housing; and means for restricting the distance that said valve member may be biased away from said valve housing.