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Method of cleaning an hvac air duct

Title: Method of cleaning an hvac air duct.
Abstract: An improved apparatus for cleaning ducts of a heating/ventilation/air conditioning (HVAC) system is provided. In one embodiment, the present invention comprises a pod having a vacuum chamber therein, a drive motor located within the pod and configured to receive a removable drive shaft therein, and a conduit member located within the pod adjacent the drive motor. The conduit member has a vacuum inlet opening at an exterior wall of the pod and a drive shaft exit opening formed in the conduit member through which the removable drive shaft can extend. In one embodiment, the invention comprises a man-portable pod and a cart removably-coupleable to the man-portable pod. A method of manufacturing the apparatus and a method of cleaning an HVAC duct is also provided. ...

USPTO Applicaton #: #20080189905 - Class: 15383 (USPTO) -
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The Patent Description & Claims data below is from USPTO Patent Application 20080189905, Method of cleaning an hvac air duct.

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