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US 10,948,086 B2Granted
Concealed three port flushometer system
AssigneeSloan Valve Company
InventorsJohn R. Wilson, John Beckman, David Carpenter
Life of this patent
Estimating the term…
Abstract
A flushometer system having an integrated control stop and three ports. The piston or flush control device is accessible through an actuation opening. The flushometer system may be utilized in a behind-the-wall installation with a face plate exterior for user interaction. The interior of the flushometer may be accessed through the actuation opening behind the face plate.
Claims20
A flushometer system comprising:
- a valve body having an inlet, an outlet, and an actuation opening, the inlet and outlet having a vertical axis running therethrough and the actuation opening being perpendicular to the vertical axis and defining a horizontal axis;
- a valve seat assembly disposed in the valve body between the inlet and the outlet;
- a sleeve adjustably engageable with the valve body, the sleeve movable relative to the valve body to be engaged and disengaged from the valve seat assembly;
- a piston assembly slidably disposed within the sleeve;
- an actuation module removably engageable with the sleeve, a relief chamber is defined within the sleeve between the actuation module and the piston assembly, the actuation module configured to vent the relief chamber upon actuation;
- the piston assembly including a piston having a lip seal portion, a middle portion having a reduced diameter relative to the lip seal portion, and a main valve seal portion.
3 more elements
A flushometer control apparatus comprising
- a sleeve;
- a piston assembly slidably disposed within the sleeve;
- an actuation module removably engageable with the sleeve, a relief chamber is defined within the sleeve between the actuation module and the piston assembly, the actuation module configured to vent the relief chamber upon actuation;
- the piston assembly including a piston having a lip seal portion engageable with the sleeve, a middle portion having a reduced diameter relative to the lip seal portion, and a main valve seal portion;
- the actuation module engageable with a relief valve associated with the relief chamber, wherein actuation of the actuation module vents the relief chamber.
2 more elements
Dependencies are inferred from the claim text.