[특허]Fuel modification method and apparatus for reduction of pollutants emitted from internal combustion engines

Engelhard Corporation (Iselin NJ 02)

Fuel modification method and apparatus for reduction of pollutants emitted from internal combustion engines

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02B-043/08
출원번호	US-0049098 (1993-04-16)
발명자 / 주소	Sung Shiang (New York NY) Steger John J. (Pittstown NJ) Dettling Joseph C. (Howell NJ) Burk Patrick L. (Freehold NJ)
출원인 / 주소	Engelhard Corporation (Iselin NJ 02)
인용정보	피인용 횟수 : 79 인용 특허 : 0

초록 ▼

A method for controlling exhaust gas emissions from an engine (16) includes extracting a light distillate fuel (Fd) from conventional gasoline or other liquid hydrocarbon fuel and supplying the engine with the light distillate fuel during an initial operation period of the engine. This reduces the oxidizable pollutants in the engine exhaust during a cold-start period before a catalytic converter (22) used to abate pollutants in the engine exhaust gases has not yet attained its operating temperature. After the catalytic converter (22) has been sufficiently heated, the fuel supply to the engine (16) is switched to gasoline or other liquid hydrocarbon fuel. Both the distillate fuel (Fd) and the liquid hydrocarbon fuel may be passed through a heated cracking catalyst bed (30) to crack the fuel fed to the engine.

대표청구항 ▼

A method for abating pollutants in the exhaust gas discharged from an internal combustion engine fueled by a liquid hydrocarbon fuel, the method comprising: (a) heating the liquid hydrocarbon fuel to vaporize therefrom a low boiling point fraction, condensing the low boiling point fraction to obtain therefrom a distillate fuel, and storing the distillate fuel in a storage container; (b) supplying the distillate fuel to the engine as part of a start-up fuel/air combustion mixture for engine start-up and during an initial engine operating period; (c) after the initial engine operating period, terminating the supply of distillate fuel to the engine and supplying the liquid hydrocarbon fuel of (a) to the engine as part of a second fuel/air combustion mixture for a subsequent engine operating period; (d) refining at least one of the distillate fuel and the liquid hydrocarbon fuel by contacting it under cracking or isomerizing conditions with a cracking catalyst prior to supplying the fuel to the engine; and (e) regenerating the cracking catalyst during operation of the engine by by-passing the supply of distillate fuel or liquid hydrocarbon fuel to the engine around the cracking catalyst, and flowing air through the cracking catalyst under catalyst regeneration conditions.

이 특허를 인용한 특허 (79)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Fuel modification method and apparatus for reduction of pollutants emitted from internal combustion engines

초록 ▼

대표청구항 ▼

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연합인증

Fuel modification method and apparatus for reduction of pollutants emitted from internal combustion engines

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (79)

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