Gas separation – With separating media bypass or system gas pressure relief – Valved bypass means
Patent
1984-11-06
1986-09-09
Spitzer, Robert
Gas separation
With separating media bypass or system gas pressure relief
Valved bypass means
55387, 55485, 55486, 55493, 55DIG31, 55DIG36, B01D 5304
Patent
active
046107053
ABSTRACT:
A filter (2) for a ductless range hood includes a layer (8) providing an impact barrier for removing coarse particles such as grease spatters from cooking discharges and resisting the heat of incoming discharges, for preserving filtering capacity and service life of downstream layers, a second layer (10) providing absorption of grease remaining in the cooking discharge after passage through the first layer, a third layer (12) for removing noxious gases such as oxides of nitrogen and carbon monoxide from the cooking discharges and for absorbing odors, and a fourth layer (14) for removing fine particles such as smoke from the cooking discharges. Various combinations of layers are disclosed as well as various structural and framing configurations.
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Sarnosky Joseph R.
Wolbrink David W.
Broan Manufacturing Co. Inc.
Spitzer Robert
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