Patent ID: 6443427
Filing Date: 2002-09-03
Classification: F16K

Abstract:
A drain valve for use with a fluid reservoir having a drain opening, comprising:a valve body having: a tubular shank for installation in the drain opening, said tubular shank defining a fluid ingress; and a tubular head portion generally coaxial with the tubular shank, defining a chamber in communication with the fluid ingress and having a cross sectional area larger than a cross sectional area of said fluid ingress, and comprising: an inner transverse wall extending across the chamber and comprising at least one fluid flow perforation; and a distal end opposite to the shank; a cap movably assembled to the distal end of the tubular head portion between open and closed positions, said cap defining a fluid egress which, in the open position of the cap, is in communication with said at least one perforation to permit draining of fluid from the reservoir; and at least one perforation-sealing member interposed between the cap and the tubular head portion and which, in the closed position of the cap, seals said at least one perforation to prevent draining of fluid from the reservoir.