Automatic shutoff valve for breakaway wet barrel fire hydrant
OwnerAlan D. Beneventi, John G. Polifkainventors
Life of this patent
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Abstract
An automatic shutoff valve for breakaway wet barrel fire hydrant is disclosed. In general, one aspect disclosed features an apparatus comprising: a valve housing comprising a valve body, a flange, and a valve seat; a valve pedal configured to engage the valve seat and prevent fluid flow through the valve seat in a closed position, and to permit fluid flow through the valve seat in an open position; a lockout tab disposed within the valve body, wherein the lockout tab maintains the valve pedal in the open position; a lockout bar disposed distally from the valve body; and an activation rod mechanically coupled to the lockout bar and configured to keep the valve pedal engaged with the lockout tab.
Claims20
An apparatus comprising:
- a valve body having a flange, a lockout bar, and a valve seat;
- a valve pedal configured to engage the valve seat and prevent fluid flow through the valve seat in a closed position, and to permit fluid flow through the valve seat in an open position;
- a saddle fixedly coupled to the flange;
- a lockout tab disposed on the saddle, wherein the lockout tab maintains the valve pedal in the open position;
- an activation rod mechanically coupled to the lockout bar and configured to keep the valve pedal engaged with the lockout tab;
- a valve slide slidably mounted to the saddle, wherein the valve pedal is pivotally mounted to the valve slide, and wherein the activation rod is configured to press the valve slide toward the lockout tab;
- and
- a spring configured to urge the valve slide away from the lockout tab.
An apparatus comprising:
- a valve body having a flange, a lockout bar, and a valve seat;
- a valve pedal configured to engage the valve seat and prevent fluid flow through the valve seat in a closed position, and to permit fluid flow through the valve seat in an open position;
- a saddle fixedly coupled to the flange, wherein the saddle is configured to be disposed within a riser, and the flange is configured to mate with a flange of the riser;
- a lockout tab disposed on the saddle, wherein the lockout tab maintains the valve pedal in the open position;
- and
- an activation rod mechanically coupled to the lockout bar and configured to keep the valve pedal engaged with the lockout tab.
Dependencies are inferred from the claim text.