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US 7,010,816 B2Granted
Pressure assisted dual flush operating system
OwnerFeiyu Liinventor
Life of this patent
Estimating the term…
Abstract
A pressure assisted dual flush operating system includes a vessel for receiving, containing and discharging pressurized water and an outlet for discharge of water from said vessel. An anti-siphon valve includes an air inlet for introducing water into said vessel and an inlet valve is provided for admitting water to the anti-siphon valve. A dual flush valve selectively releases different quantities of water from said vessel through the vessel outlet and a control valve selects one of the different quantities of water released by the dual flush valve.
Claims10
A pressure assisted dual flush operating system comprising:
- a vessel for receiving, containing and discharging pressurized water, said vessel having an outlet for discharge of water from said vessel;
- an anti-siphon valve having an air inlet for introducing water into said vessel;
- an inlet valve for admitting water to said anti-siphon valve;
- a dual flush valve for selectively releasing different quantities of water from said vessel through the vessel outlet;
- and
- a control valve for selecting one of the different quantities of water released by said dual flush valve.
3 more elements
Dependencies are inferred from the claim text.