Patent ID: 6732997
Filing Date: 2004-05-11
Classification: E03D,Y10S

Abstract:
An adjustable fluid metering valve for a pressurized water closet comprising:a housing having an orifice; a spool rotatably and slidably contained within said housing, said spool having a first end and a second end, said second end of said spool being threaded; a valve stem slidably contained within said housing, said valve stem having a first threaded end threadingly engaging said spool and a second end having a needle valve pin aligned with said orifice, an axial position of said valve pin defining a fluid flow rate therethrough, said valve pin extensible past said orifice; said valve stem having at least one longitudinal slot for receipt of a tab extending from said housing, engagement of said at least one slot and said tab securing said valve stem within said housing to prevent relative rotation between said valve stem and said housing.