Valve for clearing air conditioning drain lines

Details Valve for clearing air conditioning drain lines Valve for clearing air conditioning drain lines

1996-02-09

1998-03-03

Fox, John

Fluid handling

Systems

Multi-way valve unit

137240, 62303, F16K 1106

Patent

active

057224587

ABSTRACT:
A valve assembly which is placed in an air conditioner drain line for cleaning and maintenance of the drain line. The valve may be positioned to permit water or condensate to run through the drain line to a sewage drain. When the line needs to be serviced, usually due to clogging, the valve plug can be rotated to seal off the drain line upstream or downstream of the valve assembly. A slight pressure or vacuum may then be introduced at the top of the valve to force clogs loose. The valve also has a receptacle at the bottom so that an anti-fungus pellet may be dropped in which inhibits the fungus growth.

REFERENCES:
patent: 215928 (1879-05-01), Hutchinson
patent: 1079555 (1913-11-01), Hopewell
patent: 1268379 (1918-06-01), Murphy
patent: 1274103 (1918-07-01), Story
patent: 1655796 (1928-01-01), Murphy
patent: 2318638 (1943-05-01), Scott
patent: 3550612 (1970-12-01), Maxon
patent: 4203460 (1980-05-01), Priese
patent: 4553566 (1985-11-01), Barclay et al.
patent: 4998412 (1991-03-01), Bello
patent: 5085244 (1992-02-01), Funk

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