Air cleaning system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 21, 1982
Grant Date -
N/A
app pub date -
Jan 28, 1980
filing date -
Jan 28, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cooking unit having a hood equipped with air cleaning structures and blowers for moving air through the cleaning structures. The air cleaning structures include a pre-filter having spaced baffles for collecting air borne greases and particles. A primary fiber filter and secondary charcoal and oxidizer beds are located downstream of the pre-filter. A high efficiency filter is located downstream of the secondary cleaning beds. A damper behind the pre-filter closes in response to an increase in temperature of the air moving through the filters. A separate heating unit is used to reactivate the charcoal.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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