Method and apparatus for cleaning and sanitizing HVAC systems

Details Method and apparatus for cleaning and sanitizing HVAC systems Method and apparatus for cleaning and sanitizing HVAC systems

1989-04-21

1991-04-02

Pal, Asok

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 2218, 134 24, 134 34, 134 36, B08B 502

Patent

active

050039989

ABSTRACT:
Accumulated debris is removed from building ducts by agitating the debris, with a nozzle-headed air hose, as air flows through the ducts. The nozzle has ports arranged so that air jets cause the hose to whip around inside the ducts. A borescope is used to simultaneously monitor progress of the cleaning. Filters are provided over all duct openings to collect debris and prevent it from escaping during cleaning.

REFERENCES:
patent: 3215560 (1965-11-01), Kredit
patent: 3912535 (1975-10-01), Rauser
patent: 4141753 (1979-02-01), Creed
patent: 4508577 (1985-04-01), Conn et al.

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