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특허 상세정보

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내보내기 페이스북 공유 카카오톡 공유

Low temperature diesel particulate matter reduction system

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-039/20    B01D-039/14    B01D-039/06    B01D-050/00    B01D-024/00   
미국특허분류(USC) 055/523; 055/522; 055/524; 422/169; 422/170; 422/171; 422/172; 422/177; 422/178; 422/179; 422/180; 422/181; 422/182
출원번호 US-0550069 (2012-07-16)
등록번호 US-8808418 (2014-08-19)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Merchant & Gould P.C.
인용정보 피인용 횟수 : 0  인용 특허 : 136
초록
▼

A system for treating diesel exhaust is disclosed. The system includes a first filter including layers of filtration material positioned between layers of corrugated metallic foil. The metallic foil defines a honeycomb arrangement of longitudinal passageways from an upstream end to a downstream end and also openings for allowing exhaust to pass between adjacent longitudinal passageways of the metallic foil. The filtration material is positioned such that exhaust between the adjacent longitudinal passageways passes through the filtration material. The met...

대표
청구항
▼

1. A system for treating diesel exhaust, characterized in that the system comprises: a first filter having a particulate mass reduction efficiency in the range of 15-50 percent, the first filter configured to reduce the concentration of hard carbon in the exhaust stream;a second filter positioned downstream from the first filter, the second filter having a particulate mass reduction efficiency of at least 75 percent;the first and second filters being relatively sized such that in use the space velocity of the first filter is 2-6 times the space velocity ...

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