Patent ID: 8002904
Filing Date: 2011-08-23
Classification: B08B,F24F,Y10T

Abstract:
1. A duct system comprising: at least one horizontally mounted air duct for communicating air within a building said air duct having at least one air inlet and one air outlet; a first plurality of openings along the top of said at least one horizontal mounted air duct along the central axis of said air duct, said first plurality of openings defining an axis along the top center line of said horizontally mounted air duct; an ingress pipe coupled to said plurality of first openings along the top of said duct along said axis along the top center line of said air duct, said ingress pipe configured to carry cleaning fluid substantially along the length of said at least one air duct; a second plurality of openings along the bottom of said air duct, said second plurality of openings defining an axis along the bottom center line of said horizontally mounted air duct opposite said plurality of first openings, each of said second openings being distributed along said air duct in a manner to collect substantially all of said cleaning fluid brought into said air duct by said ingress pipe through said first plurality of openings; and a drain pipe coupled to each of said second openings along the bottom of said air duct, wherein a user may inject a fluid into said air duct using said ingress pipe and wherein said fluid is drained and collected from said air duct via said plurality of second openings and through said drain pipe, wherein said at least one horizontally mounted air duct has at least one air intake port for allowing air to enter said duct, said air intake port being coupled to an flatly arranged intake coupler having pitched sides.