E - Fixed Constructions – 03 – D
Patent
E - Fixed Constructions
03
D
E03D 3/02 (2006.01)
Patent
CA 2354231
A fill valve (36) has a main valve (34) with a control chamber (44) for controlling the on and off actuation of the main valve. A tube (58) is in fluid communication with chamber (44) and extends into the water at the fill level (46) in tank (10). The flush valve (64) is connected to tube (58) such that upon actuation it raises tube (58) and lowers the pressure in chamber (44) to turn on the main valve (34) independent of whether the water level in tank (10) drops below its fill level (46) to direct water from the main valve to a rim wash conduit (28). In one embodiment the second end of the tube is connected to a volume expander member having an enlarged diameter to provide for a substantial change in volume as the enlarged diameter volume expander is partially raised above the fill level of the water tank to increase the volume for the air pressure chamber. The lower open end of the volume expander remains below the water level to provide a seal from ambient atmosphere during normal operation of the flush handle.
Nichols-Roy David
Schrock Donald C.
Masco Corporation Of Indiana
Smart & Biggar
LandOfFree
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