Tri-combination system

Details Tri-combination system Tri-combination system

1976-12-08

1979-01-16

Schwadron, Martin P.

Fluid handling

Back flow prevention by vacuum breaking

Air vent in liquid flow line

F16K 2400

Patent

active

041344197

ABSTRACT:
A single housing for insertion in one hole in a sink provides three fluid flows: (a) drinking water (b) dishwater effluent and (c) water treatment effluent. In addition, a vent or air gap to atmosphere is provided at the housing for the two effluents to satisfy code requirement of an air gap between the dishwater and drinking water device, and the sanitary sewer. A vented airspace is also provided between the drinking water pipe and the housing.

REFERENCES:
patent: 3155106 (1964-11-01), Baron
patent: 3183923 (1965-05-01), Henrikson
patent: 3512545 (1970-05-01), Weaver
patent: 3620241 (1971-11-01), Brown
patent: 3967638 (1976-06-01), Tondreau

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