Patent ID: 6047714
Filing Date: 2000-04-11
Classification: B08B,F24F,F28G

Abstract:
A cleaning apparatus for use in cleaning the inside walls of a passage through which air travels to or from a heat exchanger and having a plurality of ports, said apparatus comprising:means for closing in a leak proof manner all of said plurality of ports except at least one port;means for supplying a cleaning solvent into said passage through said at least one port; andmeans for supplying air flow under positive pressure into said passage through said at least one port and concurrently with the supplying of said cleaning solvent,whereby said cleaning solvent is caused to be in contact with the inside walls of said passage by force of said air flow under positive pressure so that any deposit on said inside walls is contacted by said cleaning solvent and caused to become loosened and removed therefrom by the air flow under positive pressure.