System for extracting vapor and particulates from a flow of...

Details System for extracting vapor and particulates from a flow of... System for extracting vapor and particulates from a flow of...

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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