E - Fixed Constructions – 03 – D
Patent
E - Fixed Constructions
03
D
4/40, 341/34.3
E03D 1/16 (2006.01) E03D 5/00 (2006.01) E03D 5/10 (2006.01) E03D 5/12 (2006.01) E03D 13/00 (2006.01)
Patent
CA 1195757
Abstract Cistern Regulator A water saving device for controlling the frequency of urinal cistern flushes comprises a float which actuates a microswitch. As the water level in the cistern falls during flushing, the microswitch closes and activates an electronic control means; this closes a valve to cut off the water supply to the cistern through the inlet pipe and a twenty minute timer to be actuated. Twenty minutes later the valve is opened by the control means and the cistern fills at full water pressure and empties through a syphon and downpipe. The process is repeated throughout the day.
402549
Farrell Geoffrey
Jones Steven R.
Marcoux & Sher Swabey Mitchell Houle
Wellcome Foundation Limited (the)
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