Patent Application
20200325664
The present invention generally relates to vacuum breakers in water hydrants, and more particularly, to a turbulence reducer in the flow of water through a water hydrant to reduce leaking from the vacuum breaker.
Hydrants, also known as sillcocks, hose bibbs, spigots, freezeless hydrants, faucets and water fixtures are known in the art. Hydrants are used to supply water to the outside of a building. A problem with prior art hydrants and sillcocks is the vacuum breaker often leaks during normal use of the hydrant constantly discharging water through the vacuum breaker onto the ground, floor or other surface below the hydrant resulting in a waste of water, an unsafe wet surface, damage to the surface, or simply an irritant for the user.
Embodiments of the invention are defined by the claims below, not this summary. A high-level overview of various aspects of the invention is provided here to introduce a selection of concepts that are further described in the Detailed Description section below. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used in isolation to determine the scope of the claimed subject matter.
The present invention is directed to a turbulence reducer integrated into a vacuum breaker of a hydrant, which reduces leakage during use of the hydrant by reducing turbulence acting on the vacuum breaker poppet.
Other advantages of the present invention will become apparent from the following description taken in connection with the accompanying drawings, wherein is set forth by way of illustration and example an embodiment of the present invention.
Various embodiments of the present invention are disclosed herein, it is to be understood that the disclosed embodiments are merely exemplary of the invention, which may be embodied in various forms. Thus, any specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention in virtually any appropriately detailed structure. The drawings constitute a part of this specification and include exemplary embodiments of the present invention and illustrate various objects and features thereof.
Certain terminology used in the following description is for convenience in reference only and is not limiting. For example, the words “forwardly,” “rearwardly,” “upwardly,” “downwardly,” “upper,” or “lower,” for example, all refer to a position or relationship of the item to which the reference is made. The words “inwardly” and “outwardly” refer to directions toward and away from, respectively, the geometric center of the embodiment being designated and parts thereof. The terminology used herein may include the words specifically mentioned, derivatives thereof and words of a similar import. It is further understood that terminology such as the aforementioned directional phrases may be used to describe exemplary embodiments of the mixing hydrant as shown in the figures herein.
Referring to the figures, hydrant is generally indicated by reference numeral 20. Hydrant 20 includes a head 22, a tubular valve body 24, and an inlet connection 26. The head 22 includes a body 28, a flow control knob 30, a spout 34 and a vacuum breaker assembly 36.
A vacuum breaker assembly 36 is secured within a threaded aperture 40 in the upper surface of the body 28 of the head 22. The vacuum breaker assembly 36 includes a turbulence reducer 42, a vacuum breaker poppet valve 44, a vacuum breaker washer 46, a threaded vacuum breaker poppet valve body 48, and a vacuum breaker cap 50. The vacuum breaker assembly 36 prevents water from being back-siphoned into the potable water system. This prevents contamination of the water system should the water system's pressure drop and create a back-siphonage condition.
A problem with prior art vacuum breaker assemblies is when the water is on and flowing out of the spout 34, these prior art vacuum breaker assemblies tend to leak. This leakage may be as insignificant as an annoying drip or steady trickle, or more significant causing water damage to the surface below the hydrant. When water is flowing through any hydrant and out the spout, the water flow is turbulent. This turbulence causes the vacuum breaker poppet valve in prior art hydrants to vibrate or chatter and unseat from the vacuum breaker body allowing water to escape from the vacuum breaker assembly.
The vacuum breaker assembly 36 of the present invention eliminates this problem providing a near leak-free design. When water is flowing through the tubular body 24 and out the spout 34, the turbulence is reduced or eliminated from affecting the vacuum breaker poppet valve 44 by the turbulence reducer 42. The turbulence reducer 42 reduces or eliminates the turbulent water flow into the vacuum breaker assembly 36 so that a constant pressure is applied to the vacuum breaker poppet valve 44 and it seals with the vacuum breaker washer 46 against the vacuum breaker poppet valve body 48 to eliminate or reduce water leakage. The turbulence reducer 42 does not affect the performance of the vacuum breaker assembly 36 with respect to back siphonage.
While certain forms and embodiments of the vehicle carton and method for forming the same have been illustrated and described herein, the present invention is not to be limited to the specific forms or arrangement of parts described and shown, and that the various features described may be combined in ways other than those specifically described without departing from the scope of the present invention.
