Gas separation: processes – Filtering – Plural separate media
Reexamination Certificate
2011-08-16
2011-08-16
Smith, Duane (Department: 1776)
Gas separation: processes
Filtering
Plural separate media
C055S341100, C055S418000
Reexamination Certificate
active
07998253
ABSTRACT:
An air filtering unit for a factory includes: an entry duct; a flow expander section fluidly connected with the entry duct, the flow expander section including a flow distribution unit and a flow velocity reduction unit; a filter unit fluidly connected with the flow expander section, the filter unit having a plurality of filter bags, the filter bags being suspended from a tube sheet; and an exit duct fluidly connected with the filter unit. The flow distribution unit includes a series of flow distribution members positioned along a flow path, the flow distribution unit located and configured to substantially equally distribute an airstream along the length of the flow axis into a plurality of divided substreams. The flow velocity reduction unit includes a plurality of flow reduction members, each of the flow reduction members positioned and configured to confront at least one of the divided substreams and reduce the flow velocity thereof.
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Examiner's report dated Oct. 30, 2009 for Australian Patent Application No. 2008203160.
Menardi-Mikropul LLC
Myers Bigel & Sibley Sajovec, PA
Pham Minh-Chau
Smith Duane
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