Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takuya Ikeda0
Maki Kamikubo0
Date of Patent
October 28, 2008
0Patent Application Number
083520790
Date Filed
December 1, 1994
0Patent Primary Examiner
Patent abstract
As a device for the purification of exhaust gas, a three-way catalyst A purifying hydrocarbon, carbon monoxide and nitrogen oxide in the vicinity of theoretical air-fuel ratio is disposed at an upstream side of the exhaust gas and an adsorption catalyst B provided with zeolite effective for the adsorption of hydrocarbon is disposed at a downstream side of the exhaust gas.
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