[특허]Fuel injector with an integrated spark plug for a direct injection type engine

Fuel injector with an integrated spark plug for a direct injection type engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02M-057/06
출원번호	US-0345186 (1994-11-28)
우선권정보	JP-0298080 (1993-11-29); JP-0298164 (1993-11-29)
발명자 / 주소	Nagaosa Hideo (Susono JPX) Mogi Kazuhisa (Susono JPX) Kushibe Takahiro (Susono JPX) Nakamura Norihiko (Mishima JPX) Nomura Kenichi (Mishima JPX)
출원인 / 주소	Toyota Jidosha Kabushiki Kaisha (Toyota JPX 03)
인용정보	피인용 횟수 : 89 인용 특허 : 0

초록 ▼

A fuel injector with an integrated spark plug for a direct injection type engine capable of adequate fuel injection and adequate spark discharge, even if it becomes very hot because the end part of device is exposed in a combustion chamber and a spark discharge is induced there. An electric conductor is disposed along the central axis, and the electric conductor is electrically coupled with a cable for supplying electric current for the spark discharge. A needle valve made of conductive material is electrically coupled with the electric conductor through a return spring made of conductive material and is reciprocally moved by a solenoid. A needle housing made of conductive material receives the needle valve and has a nozzle for injecting fuel and a center electrode at its end. A grounding electrode is disposed near the center electrode. Insulators are disposed outside of the electric conductor. Out side of the insulators, an outer cylinder is disposed, which is composed of inner wall which adheres to the insulators and outer wall which is placed outside of the inner wall at a uniform clearance which is used as a fuel passage. A connector assembly for connecting a fuel line and an electric cable for supplying electric current to the solenoid is attached to the outer cylinder.

대표청구항 ▼

A fuel injector with an integrated spark plug for a direct injection type engine, comprising: an electric conductor disposed along the central axis, said electric conductor being electrically coupled with a cable for supplying electric current for a spark discharge; a needle valve made of conductive material, said needle valve being electrically coupled to said electric conductor through a return spring made of conductive material, said needle valve being reciprocally moved by a solenoid; a needle housing made of conductive material, said needle housing receiving said needle valve, said needle housing having a nozzle for injecting fuel and a center electrode at its end; a grounding electrode disposed to oppose said center electrode; an insulator disposed outside of said electric conductors; outer cylinder disposed outside of said insulators, said outer cylinder being composed of an inner wall which adheres to said insulator and an outer wall which is placed outside of said inner wall with a uniform clearance which is used as a fuel passage; and a connector assembly for connecting a fuel line and an electric cable for supplying an electric current to said solenoid.

이 특허를 인용한 특허 (89)

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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 injector with an integrated spark plug for a direct injection type engine 원문보기

초록 ▼

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연합인증

Fuel injector with an integrated spark plug for a direct injection type engine 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (89)

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