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US 11,434,631 B2Granted
Siphon activated valve
AssigneeFluidmaster, Inc.
InventorTuan Le
Life of this patent
Estimating the term…
Abstract
A fill valve system with a float nested in a container connected to the fill valve and a siphon device passing water out of the container into the toilet tank, with the siphon device having an air vent dimensioned such that: (i) tank refilling is delayed until after the flush valve closes; (ii) the fill valve is not turned on by small leaks in the tank; and (iii) the fill valve turns off when it encounters large leaks in the tank.
Claims18
A fill valve system, comprising:
- a water supply member,
- a fill valve fluidly coupled to the water supply member, and
- a float assembly connected to the fill valve, the float assembly comprising:
- a container comprising a first compartment and a second compartment,
- a float positioned in the first compartment of the container, and
- a fluid flow path in the fill valve configured to divert a small portion of refill water into the second compartment of the container;
- wherein the position of the float in the first compartment actuates the fill valve;
- and
- wherein the fill valve actuation comprises turning the fill valve on or off;
- further comprising:
- a first siphon for siphoning water out of the first compartment, and
- a second siphon for siphoning water out of the second compartment.
9 more elements
A fill valve system, comprising:
- a water supply member,
- one or more adjustable siphons,
- a fill valve in communication with the water supply member, and
- a float assembly connected to the fill valve, the float assembly comprising:
- a container, and
- a float positioned in the container, and
- wherein the position of the float in the container actuates the fill valve;
- wherein the fill valve actuation comprises turning the fill valve on or off;
- and
- wherein adjusting the one or more adjustable siphons adjusts a timing of the fill valve actuation.
7 more elements
Dependencies are inferred from the claim text.