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US 11,885,432 B2Granted
Rigid piston valve incorporating a solenoid
AssigneeSDB IP Holdings, LLC
InventorsShawn D. Bush, Ryan W. Nottage
Life of this patent
Estimating the term…
Abstract
A rigid piston assembly for use in a conventional flush valve includes a rigid piston and a solenoid configured to fixedly engage within the valve body. A flush valve for a plumbing fixture as well as a method of retrofitting a piston valve into a diaphragm flush valve body which includes a rigid piston and solenoid configuration.
Claims19
A rigid piston assembly for use in a flush valve, the flush valve having a valve body with a fluid inlet and a fluid outlet, the rigid piston assembly comprising:
- a cap configured to connect to the valve body at an end opposite the fluid outlet, the cap having a hollow stem that extends from a central opening in the cap;
- a rigid piston comprising a disc shaped member having a central opening, an elongated hollow member that is attached to and extends down from the disc shaped member;
- a solenoid connectable to the cap,
- wherein the rigid piston includes a by-pass orifice defined in the disc shaped member;
- and
- a by-pass device having a body with a first end, a second end, and a passageway positioned through the body, wherein the by-pass device is adapted to fit inside the by-pass orifice of the rigid piston, thereby establishing fluid communication between the fluid inlet and an upper chamber formed between the rigid piston and the cap,
- wherein the flush valve further comprises a flow restricting element positioned within the hollow stem of the cap.
4 more elements
A flush valve for a plumbing fixture comprising:
- a) a fluid inlet in fluid communication with a fluid source;
- b) a fluid outlet in fluid communication with a plumbing fixture;
- c) a cap positioned at an end opposite the fluid outlet, the cap having a hollow stem that extends down from a central opening in the cap;
- and
- d) a piston valve for regulating fluid flow between the fluid inlet and the fluid outlet, the piston valve comprising:
- a rigid piston comprising a disc shaped member having a central opening, an elongated hollow member that is attached to and extends down from the disc shaped member;
- e) a solenoid connected to the cap,
- wherein the rigid piston includes a by-pass orifice defined in the disc shaped member;
- and
- f) a by-pass device having a body with a first end, a second end, and a passageway positioned through the body, wherein the by-pass device is adapted to fit inside the by-pass orifice of the rigid piston, thereby establishing fluid communication between the fluid inlet and an upper chamber formed between the rigid piston and the cap,
- wherein the flush valve further comprises a flow restricting element positioned within the hollow stem of the cap.
8 more elements
Dependencies are inferred from the claim text.