System for cleaning an inside surface of a duct
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United States of America Patent
Stats
-
Jun 7, 1994
Issued Date -
N/A
app pub date -
Jul 28, 1993
filing date -
Mar 13, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system including an apparatus for cleaning an inside surface of a duct. The system includes a traveling portion and a remote-control monitor portion. The traveling portion includes a traveling truck and the truck carries a compressed air ejector and a video camera, and the remote-control monitor portion receives images from the video camera to control remotely the traveling portion while monitoring a front view of the traveling portion in accordance with the signal coming from the video camera. The compressed air ejector is equipped with a rotating nozzle for ejecting compressed air toward the duct inside surface in an oblique direction in front of the traveling truck. An air compressor can be carried by the truck or the compressed air can be fed to the nozzle ejector via a hose from outside the duct.
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