B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/60 (2006.01) B01D 53/94 (2006.01) B01D 53/96 (2006.01)
Patent
CA 2453689
A method and apparatus for managing heat in exhaust gas in an aftertreatment system that uses a lean NOx adsorber is disclosed. A de-sulfation hot line and cooling line are used to control exhaust gas temperatures for adsorption, regenenation and de-sulfation cycles of the aftertreatment system where each cycle may require different chemical and exhaust gas temperatures independent of the engine operation. The method and apparatus includes a SOx adsorber to provide greater durability for the subject invention.
Ancimer Richard
Dunn Mark E.
Harris Jonathan M.s.
Lebastard Olivier
Oyen Wiggs Green & Mutala Llp
Westport Power Inc.
Westport Research Inc.
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