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특허 상세정보

Direct fuel injector assembly for a compressible natural gas engine

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02M-061/00   
미국특허분류(USC) 239/533.12; 239/533.3; 239/584; 239/589; 239/533.7; 123/527; 060/039.465
출원번호 US-0689319 (2003-10-20)
등록번호 US-7451942 (2008-11-18)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    McNees Wallace & Nurick, LLC
인용정보 피인용 횟수 : 6  인용 특허 : 52
초록

This invention relates to the injection of compressible gaseous fuel directly into the combustion chamber of a reciprocating piston-type internal combustion engine. In particular, the invention provides apparatus and methods for low-pressure, high-speed direct injection of compressed natural gas into a combustion chamber of an engine. Using the present invention, relatively low intake pressures of about 50 to about 150 PSIG yield high-speed (sonic and supersonic) gas flow through the diverging nozzle portion for injection into the combustion chamber. Pre...

대표
청구항

What is claimed is: 1. A fuel injection assembly for direct fuel injection of low pressure gaseous fuel into a combustion chamber of an internal combustion engine, the assembly comprising: at least one nozzle having at least one nozzle passage formed by an annular nozzle wall, the at least one nozzle having a nozzle inlet and nozzle outlet, the at least one nozzle passage including a converging portion adjacent the nozzle inlet and a diverging portion adjacent the nozzle outlet, the converging and diverging portions being disposed between the nozzle inl...

이 특허에 인용된 특허 (52)

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