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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Method of improving the efficiency of a supercharged diesel engine

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02M-025/06   
미국특허분류(USC) 123/559 ; 123/906 ; 123/569
출원번호 US-0377142 (1982-05-11)
우선권정보 FR-0002877 (1979-02-05)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 61  인용 특허 : 2
초록
▼

The invention relates to a method and a device for improving the efficiency of a four-stroke-cycle internal combustion engine. The main purpose of the invention is to obtain an effective compression ratio that is capable of automatic variation without introducing additional elements whatever the load, but only by adapting the engine cycle timing diagram. Said timing diagram includes an overlap stage between the lifts of at least one exhaust valve and at least one intake valve, said intake valve being closed near or before the bottom dead center of the pi...

대표
청구항
▼

A method for improving the efficiency of a four-stroke-cycle supercharged diesel engine of constant pressure type, having a timing diagram which is constant in the engine cycle, including an overlap stage between the lift of at least one intake valve and at least one exhaust valve, the method comprising closing tbe intake valve, in accordance with the Miller cycle, at a crankshaft rotation angle between 40°before bottom dead center and 10°after bottom dead center in order to automatically modulate the trapping efficiency of the engine cylinders, at the e...

이 특허에 인용된 특허 (2)

  1. Ribeton ; Jean Marie. Diesel engines. USP1978024075990.
  2. Nakagawa Yasuhiko (Kamakura JPX) Etoh Yukihiro (Yokohama JPX) Nakai Meroji (Yokosuka JPX) Nakajima Ryoji (Yokohama JPX). Internal combustion engine with dual induction system and with fuel injection system to discharge fuel into primary indu. USP1981014246874.

이 특허를 인용한 특허 피인용횟수: 61

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  16. Cook, David; Andre, Dave; Park, Sungbae; Kojic, Aleksandar; Song, Hanho; Chaturvedi, Nalin. Device and method configured to control valve operation in a piston engine. USP2013108555834.
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