A/C drain line device

Details A/C drain line device A/C drain line device

2011-04-26

2011-04-26

Ali, Mohammad (Department: 3784)

Refrigeration

With means preventing or handling atmospheric condensate...

Retainer or flow director for atmospheric condensate

C062S291000

Reexamination Certificate

active

07930898

ABSTRACT:
An air conditioning drain device essentially comprising a tubular pipe assembly, a flapper assembly, and a service port assembly. The device automatically engages a flapper valve that prevents the reverse flow of condensate water from entering a dwelling unit that shares a common drain line with multiple units, while at the same time allowing for quick and easy flushing of blockages in the drain line without causing water damage to the interior of the dwelling unit.

REFERENCES:
patent: 6584995 (2003-07-01), Kimbrough et al.
patent: 6708717 (2004-03-01), Coogle
patent: 6988874 (2006-01-01), Spargo
patent: 7033108 (2006-04-01), Hummert et al.
patent: 2003/0084676 (2003-05-01), Thurman
patent: 2004/0011090 (2004-01-01), Crowell et al.
patent: 2007/0098582 (2007-05-01), Schulman

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