Oxidation catalyst for a lean burn internal combustion engine

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United States of America Patent

PATENT NO 9140167
APP PUB NO 20130340414A1
SERIAL NO

13996575

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An apparatus is disclosed. The apparatus comprises a lean-burn internal combustion engine, engine management means and an exhaust system for treating exhaust gas of the engine. The exhaust system comprises a first oxidation catalyst disposed on a first honeycomb monolith substrate. The first oxidation catalyst comprises platinum supported on a first metal oxide support comprising at least one reducible oxide, and is substantially free of alkali metals and alkaline earth metals. The engine management means is arranged, when in use, intermittently to modulate the lambda composition of the exhaust gas entering the first oxidation catalyst to a rich lambda composition.

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Patent Owner(s)

Patent OwnerAddress
JOHNSON MATTHEY PUBLIC LIMITED COMPANYLONDON EC4A 4AB

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bergeal, David Ware, GB 21 279
Chiffey, Andrew Francis Ware, GB 72 860
Feuerstein, Marie Royston, GB 2 15
Phillips, Paul Richard Royston, GB 121 1488
Strehlau, Wolfgang Sulzbach, DE 34 451
Swallow, Daniel Sandy, GB 27 307
Wylie, James Royston, GB 4 23

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