In-duct cleaning apparatus

Details In-duct cleaning apparatus In-duct cleaning apparatus

1992-10-28

1996-11-12

Scherbel, David

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15319, 153401, 15383, A47L 2500

Patent

active

055727662

ABSTRACT:
An in-duct cleaning apparatus characterized by comprising a traveling truck, an ejection nozzle body for ejecting compressed air, a cleaning brush body, and a remote-control portion; the ejection nozzle body being attached to the front part of the traveling truck and made to rotate, the cleaning brush body being attached to the circumferential part of the ejection nozzle body, and the remote-control portion being able to control remotely the traveling of the traveling truck and the rotation of the ejection nozzle body.

REFERENCES:
patent: 1122246 (1914-12-01), Beam
patent: 3004278 (1961-10-01), Stanley
patent: 3074098 (1963-01-01), Downing
patent: 3106491 (1963-10-01), Leibner
patent: 3267504 (1966-08-01), Cook
patent: 3800358 (1974-04-01), Ryan
patent: 4795495 (1989-01-01), Dobson
patent: 4995201 (1991-02-01), von Borcke
patent: 5020188 (1991-06-01), Walton

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