Particulate matter filter assembly with a flow device

Details Particulate matter filter assembly with a flow device Particulate matter filter assembly with a flow device

2008-10-15

2011-10-25

Greene, Jason M (Department: 1776)

Gas separation

Plural serial basically diverse separating media

Plural stages in unitary casing

C055S523000, C055S385300, C055SDIG030, C095S268000, C060S311000, C060S324000, C060S274000, C060S295000, C422S177000, C422S178000, C422S179000

Reexamination Certificate

active

08043394

ABSTRACT:
A particulate matter (PM) filter assembly includes a PM filter that filters PM from an exhaust stream and that includes an entry face facing a first direction of flow of the exhaust stream, and a swirl element disposed in the exhaust stream and that includes a blade that directs a portion of the exhaust stream in a second direction of flow that is different than the first direction of flow. The blade directs the portion of the exhaust stream to distribute the exhaust stream over a frontal area of the entry face of the PM filter. A related method of filtering particulate matter from an exhaust stream is also provided.

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Translation of JP 06212943 A, Aug. 1994, 7 pages.

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