Apparatus for duct cleaning

Details Apparatus for duct cleaning Apparatus for duct cleaning

2011-04-05

2011-04-05

Redding, David A (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S328000, C015S327600, C015S345000, C015S346000

Reexamination Certificate

active

07917990

ABSTRACT:
A duct cleaning apparatus for cleaning ventilation ducts in a household environment comprises a typical household or light industrial vacuum cleaning having a sealed container, a blower having suction and exhaust, a first flexible hose attached to the suction port and a second flexible hose attached to the exhaust port. The hoses are adjacent and parallel to each other and fixed together using a plurality regularly spaced elastic bands. A blower nozzle and a suction nozzle are adjacent to each other and placed in a duct for cleaning. The blower nozzle directs a jet of air into the vacuum zone of the suction nozzle thereby agitating dirt and debris within the vacuum zone for a more efficient cleaning action.

REFERENCES:
patent: 3220042 (1965-11-01), Harrington, Sr.
patent: 6372052 (2002-04-01), Jones

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