Air duct cleaning apparatus

Details Air duct cleaning apparatus Air duct cleaning apparatus

2004-06-02

2008-09-23

Guidotti, Laura C (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S329000, C015S383000, C015S314000

Reexamination Certificate

active

07426768

ABSTRACT:
An apparatus for cleaning ducts of a heating/ventilation/air conditioning (HVAC) system is provided. In one embodiment, a pod has 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.

REFERENCES:
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patent: 3063082 (1962-11-01), Rosenberg
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patent: 3308609 (1967-03-01), McCulloch et al.
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patent: 5813089 (1998-09-01), Nolan et al.
patent: 6014790 (2000-01-01), Smith et al.
patent: 6032325 (2000-03-01), Smith
patent: 6279197 (2001-08-01), Crutcher et al.

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