Patent ID: 6286172
Filing Date: 2001-09-11
Classification: B08B

Abstract:
A portable inflatable heating, ventilating and air conditioning (HVAC) duct cleaning apparatus comprising:bladder means made of resilient material for expanding and contracting the size there of, said bladder means having an opening thereon for moving air in and out therethrough;an elongate flexible hose in communication at one end thereof with said opening on said bladder means,air pump means in communication at an opposing end of said elongate flexible hose for supplying air under low positive pressure to said bladder means when expanding same;manually operable valve means positioned between said air pump means and said bladder for preventing the escape of air from said bladder means as desired; anddirection stabilizing means including an extensible rod connected to said apparatus adjacent a joinder of said bladder means and said elongate flexible hose, for aiding in positioning said bladder means a substantial distance from any opening in any HVAC duct in which said apparatus is positioned.