专利名称：Exhaust gas purifying apparatus for internal
combustion engine
发明人：Aoki, Hideki,Saoda, Takenori申请号：EP11184836.2申请日：20111012公开号：EP2441934B1公开日：20161207
摘要：An exhaust gas purification apparatus for an internal combustion engine isprovided. An exhaust purifying catalyst is provided in an exhaust passage (12) for theengine and a fuel adding valve (15) is provided in the exhaust passage (12) at a positionupstream of the exhaust purifying catalyst. The exhaust gas purification apparatusincludes anti-clog means for causing the fuel adding valve (15) to perform anti-clog fueladdition for injecting fuel to prevent clogging of the fuel adding valve (15), the exhaustgas purification apparatus is characterized in that the exhaust gas purification apparatuscomprises: catalyst activation estimation means for estimating if the exhaust purifyingcatalyst is in an activated state or not; wherein, in a situation where the anti-clog fueladdition should be conducted, if the catalyst activation estimation means estimates thatthe exhaust purifying catalyst has not been activated, the anti-clog means performsreduction control in which a fuel addition amount per unit time is restricted or the anti-clog fuel addition is prohibited until the exhaust purifying catalyst is activated.
申请人：KK TOYOTA JIDOSHOKKI,TOYOTA MOTOR CO LTD
地址：JP,JP
国籍：JP,JP
代理机构：TBK
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