Patent ID: 7426768
Filing Date: 2008-09-23
Classification: B08B

Abstract:
1. An apparatus for cleaning ducts of a heating/ventilation/air conditioning (HVAC) system, comprising: a pod having a vacuum chamber therein; a flexible vacuum hose having a brush drive shaft contained therein, an end of said brush drive shaft extending from an interior of said flexible vacuum hose; a brush drive motor located within said pod and configured to receive said end therein; and a conduit member located within said pod adjacent said brush drive motor, said conduit member having a vacuum inlet opening proximate an exterior wall of said pod and a drive shaft exit opening formed in said conduit member through which said end can extend, said conduit member further including a curve along an air path center line of said conduit member, said curve having an obtuse angle taken from a center line normal to said vacuum inlet opening.