Anti-siphon device for drain conduits

Details Anti-siphon device for drain conduits Anti-siphon device for drain conduits

1991-11-27

1993-04-06

Fox, John C.

Fluid handling

Back flow prevention by vacuum breaking

Air vent in liquid flow line

137216, 137855, F16K 1500

Patent

active

051994550

ABSTRACT:
An anti-siphon drain conduit. First and second cylindrical tubular portions with a U-shaped tubular portion interposed therebetween, and communicating with, the first and second cylindrical tubular portions. A drain passage extends through the conjoined tubular portions. A siphon break passage communicates with the drain passage at approximately the intersection of one of the cylindrical tubular portion and the U-shaped portion. A flap valve is formed integrally with at least one of the tubular portions for closing the siphon break passage upon the presence of liquid flowing through the drain passage. A bleeder cap is fitted to the siphon break passage. The bleeder cap has a dome portion penetrated by an aperture and an accordion portion. The bleeder cap serves freely to admit atmospheric pressure therethrough while tending to restrict any liquid that inadvertently enters the siphon break from exiting the siphon passage into atmosphere.

REFERENCES:
patent: 2730115 (1956-01-01), Hempel
patent: 3773063 (1973-11-01), Roosa
patent: 3830241 (1974-08-01), Dye et al.
patent: 5096233 (1992-03-01), Dlouhy

Affiliated with

Also associated with

Rating

Anti-siphon device for drain conduits does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Anti-siphon device for drain conduits, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Anti-siphon device for drain conduits will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-529496