Air break structure adapted for use in the base of an accessory

Details Air break structure adapted for use in the base of an accessory Air break structure adapted for use in the base of an accessory

1989-12-11

1990-11-06

Michalsky, Gerald A.

Fluid handling

Back flow prevention by vacuum breaking

Air vent in liquid flow line

137801, F16K 2400

Patent

active

049677845

ABSTRACT:
This faucet has a base assembly with an air break module for the brine waste from a reverse-osmosis filter. The break outlet at the bottom of the break pocket has an angled fitting which aims the downstream waste up out of the base assembly in event of a backup. The faucet includes a unitary valve stem, the lower end of which is tapered and sits in a cup-shaped valve element for low-friction connection and easy swiveling adjustment of faucet outlet. Finally, the faucet is installed with the use of a pair of interfitting plates, one, the base plate, secured to the bottom of the faucet base, the other, the attachment plate, secured to the sink around the access hole in the sink. The attachment plate has upstanding outward ears which fit into tapered openings in the base plate. When the base is turned, for 20.degree. or so, the ears wedge against the sides of the openings respectively to give a tight fit, securing the faucet in the sink.

REFERENCES:
patent: 3183923 (1965-05-01), Hendrikson
patent: 3578016 (1971-05-01), Kushner
patent: 4635673 (1987-01-01), Gerdes
patent: 4771485 (1988-09-01), Traylor

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