Exhaust gas-cleaning apparatus

Details Exhaust gas-cleaning apparatus Exhaust gas-cleaning apparatus

2006-02-15

2010-06-22

Duong, Tom (Department: 1797)

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

Reexamination Certificate

active

07740809

ABSTRACT:
An apparatus for cleaning an exhaust gas containing nitrogen oxide and particulate matter and discharged from a diesel engine, wherein the apparatus comprises a porous ceramic honeycomb filter and an SCR catalytic converter in this order from upstream, wherein the honeycomb filter has pluralities of flow paths partitioned by porous cell walls and a catalyst supported by the porous cell walls, with desired flow paths sealed by plugs, and wherein at least one plug on the side of an exhaust gas inlet is separate inward from an exhaust gas inlet end. A ratio D/V of the diameter D (mm) of the honeycomb filter to the displacement V (liter) of the diesel engine is preferably 15 mm/liter or more. The honeycomb filter and an SCR catalytic converter are preferably contained in one case.

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patent: 2000-303826 (2000-10-01), None
patent: 2002-502927 (2002-01-01), None
patent: 2005-06861 (2005-10-01), None
patent: WO 99/39809 (1999-08-01), None

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