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특허 상세정보

Internally cooled high compression lean-burning internal combustion engine

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02B-047/02    F02M-025/03   
미국특허분류(USC) 123/025A; 123/025C; 060/039.53; 060/775
출원번호 US-0444533 (2012-04-11)
등록번호 US-8935996 (2015-01-20)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Scully, Scott, Murphy & Presser, P.C.
인용정보 피인용 횟수 : 5  인용 특허 : 44
초록

An internally cooled internal combustion piston engine and method of operating a piston engine is provided, with the combination of liquid water injection, higher compression ratios than conventional engines, and leaner air fuel mixtures than conventional engines. The effective compression ratio of the engines herein is greater than 13:1. The engines may employ gasoline or natural gas and use spark ignition, or the engines may employ a diesel-type fuel and use compression ignition. The liquid water injection provides internal cooling, reducing or elimina...

대표
청구항

1. A method of operating an internal combustion engine for use with a hydrocarbon fuel, said engine having at least one cylinder and a reciprocating piston therein, at least one air intake valve, at least one exhaust valve, and a fuel handling system with at least one fuel injector, said method comprising, at each engine cycle: injecting, from a water injector coupled to a water source, liquid water into the cylinder any time from about 180° to about and 30° before TDC of said piston during a compression stroke, wherein the amount of water injected is gr...

이 특허에 인용된 특허 (44)

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