Gas separation: processes – Filtering – Plural separate media
Reexamination Certificate
2011-06-21
2011-06-21
Smith, Duane (Department: 1776)
Gas separation: processes
Filtering
Plural separate media
C055S418000, C055S423000, C055S467000, C055S471000, C055S482000, C055S485000, C096S417000
Reexamination Certificate
active
07964027
ABSTRACT:
System for extracting vapor and particulates from a flow of at least an air stream having vapor and particulates, the system having a funnel and a filter unit; an opening of the funnel for receiving the flow of the air stream; an outlet of the funnel connected to an inlet of the filter unit, the inlet receiving the air stream. The filter unit includes a housing, a first and a second filter, a ventilation unit and a filter unit outlet; the housing having a first, second and third chamber; the first and second chambers being separated by the first filter, the second and third chambers being separated by the second filter; the inlet being located in the first chamber; the ventilation unit being located between the third chamber and the outlet and in use for creating an underpressure in the first, second and third chambers.
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Doude Van Troostwijk Lili Louise
Hauzer Antonius Theodorus Cecilianus
Van Velsen Nicolaas
McKenzie Thomas
Smith Duane
Young & Thompson
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