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US 7,392,658 B1Granted
Automated air conditioner drain line clean-out system
OwnerWilliam G. Hardy, IIIinventor
Life of this patent
Estimating the term…
Abstract
A cleaning system for an air conditioner injects a biocide followed at regular intervals, which may be followed by a rinsing flush.
Claims11
An automated system for cleaning out the evaporator drain line of an air conditioner, comprising:
- an evaporator drain pan at a first elevation;
- an evaporator drain line in fluid communication with said evaporator drain pan;
- a first container holding a first volume of biocide;
- a first enclosed fluid path from said first container to the evaporator drain line, said first enclosed fluid path connecting to said evaporator drain line at an elevation below said first elevation;
- and
- a first valve controlling fluid flow between said first container and said evaporator drain line;
- and further comprising a control system which periodically opens and closes said first valve.
4 more elements
A method for cleaning out the evaporator drain line of an air conditioner having an evaporator drain pan at a first elevation, comprising the steps of:
- mounting a first container holding a first volume of biocide;
- connecting a first enclosed fluid path from said first container to an inlet to the evaporator drain line at an elevation below said first elevation;
- providing means for opening and closing fluid communication through said first enclosed fluid path;
- and
- automatically opening and closing said means at desired intervals to allow biocide to flow from said first container to said evaporator drain line.
2 more elements
Dependencies are inferred from the claim text.