Fluid handling – Back flow prevention by vacuum breaking – Air vent in liquid flow line
Patent
1996-06-18
1999-02-02
Walker, W. L.
Fluid handling
Back flow prevention by vacuum breaking
Air vent in liquid flow line
285330, 138 37, 138 89, 138109, 138120, 210418, 210436, 210437, 210438, 210441, 210450, 210460, E03C 110
Patent
active
058652094
ABSTRACT:
An air gap adapter for use with a water faucet. The air gap adapter has an adapter body with a base portion and an integral riser portion which extends generally vertically upwardly from a rear region of the base portion. The base portion has a hole for a water inlet shank of the water faucet, and the riser portion has brine inlet and outlet bores. The brine outlet bore is vertically oriented in the riser portion, and the brine inlet and outlet bores are open at their upper region. Two barbed connectors are located at a lower region of the adapter body and provide a brine inlet and outlet to the adapter. A venting aperture is formed near an upper region of said riser portion and passes into the brine outlet bore. A cap is positioned on the riser portion above the bores. A brine focusing ring with focusing hole is located in the brine outlet bore above the venting aperture and focuses the flow of brine downwardly into the brine outlet bore so that the brine does not contact the inside side walls of the brine outlet bore. In use, the water faucet will be placed with its water inlet shank through said aperture in said base portion of said adapter body so that the valve body rest on said base portion and lies in front of and adjacent said riser portion.
REFERENCES:
patent: 3794172 (1974-02-01), Bray
patent: 3967638 (1976-07-01), Tondreau
patent: 4134419 (1979-01-01), Richetti
patent: 4210533 (1980-07-01), Astl
patent: 4853117 (1989-08-01), Burrows
patent: 5635058 (1997-06-01), Bowman
Kimbell Daniel R.
QMP, Inc.
Walker W. L.
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