Apparatus and method for PM purification

Details Apparatus and method for PM purification Apparatus and method for PM purification

2011-05-24

2011-05-24

Bhat, N. (Department: 1771)

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

C060S300000, C422S177000, C422S180000, C422S186040

Reexamination Certificate

active

07946111

ABSTRACT:
An apparatus and a method for PM purification, where good PM purification performance can be achieved. The PM purification apparatus includes (a) a honeycomb support having an outer periphery-side region and an inner-side region, which carries a PM oxidation catalyst and in which the PM oxidation catalyst loading per unit volume of support in the outer periphery-side region is greater than the PM oxidation catalyst loading per unit volume of support in the inner-side region, (b) a center electrode passing through the center part of the honeycomb support and extending to the exhaust gas flow upstream side, and (c) an outer peripheral electrode disposed on the outer periphery of the honeycomb support and electrically insulated from the center electrode by the honeycomb support. The PM purification method can be performed using the PM purification apparatus.

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Machine Translation,Abstract, Detailed Description, Means JP 2005-106022, published date Apr. 21, 2005.

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