[특허]Fuel injection system

[미국특허] Fuel injection system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02M-039/00
출원번호	US-0339347 (1982-01-15)
우선권정보	JP-0009167 (1981-01-24)
발명자 / 주소	Terada Tomohiko (Higashi Matsuyama JPX) Komada Hideaki (Higashi Matsuyama JPX)
출원인 / 주소	Diesel Kiki Company, Ltd. (Tokyo JPX 03)
인용정보	피인용 횟수 : 33 인용 특허 : 6

초록 ▼

A fuel injection system includes a booster for intensifying a supply of fuel from a fuel reservoir and a nozzle needle actuator for operating a fuel injector to start and terminate a fuel injection from the latter. The boosted fuel from the booster is fed not only to the fuel injector but to an upper chamber of the nozzle needle actuator which is defined by a piston. A first hydraulic circuit produces a variable hydraulic fluid pressure for operating the booster in accordance with a predetermined engine operating parameter. A lower chamber also defined by the piston in the nozzle needle actuator is selectively communicated to the first hydraulic circuit by a second hydraulic circuit. The first and second hydraulic circuits share a common source of hydraulic fluid supply which is independent of the fuel reservoir.

대표청구항 ▼

A fuel injection system comprising, in combination: a source of fuel supply; a booster operated by a pressure differential between opposite ends thereof to compress fuel fed from the source of fuel supply to one end thereof; a fuel injector for injecting a supply of compressed fuel from the booster; a nozzle needle actuator operatively assocaited with the fuel injector and operated by a pressure differential between opposite ends thereof to start and terminate a fuel injection by the fuel injector, the supply of compressed fuel from the booster being also fed to one end of the nozzle needle actuator to develop a fuel pressure at the one end thereof; fuel circuit means for feeding the fuel from the source of fuel supply to the fuel injector and the one end of the nozzle needle actuator through the one end of the booster; a source of hydraulic fluid supply; first hydraulic circuit means communicated with the source of hydraulic fluid supply for producing a variable hydraulic fluid pre-sure, the variable hydraulic fluid pressure being fed to the other end of the booster as a first hydraulic fluid pressure to compress the fuel in the one end of the booster, the first hydraulic circuit means comprising a pump communicated with the source of hydraulic fluid supply at the suction port thereof; second hydraulic circuit means for selectively communicating the other end of the nozzle needle actuator to the source of fluid supply and the first hydraulic circuit means to develop a second hydraulic fluid pressure at the other end of the nozzle needle actuator; control means for controlling the first and second hydraulic fluid pressures in the first and second hydraulic circuit means; and a first direction control means controlled by the control means to selectively communicate the other end of the booster with the pump and the hydraulic fluid supply, the first direction control means comprising an electromagnetically operated 2-position, 4-port control valve.

이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

Kanda ; Fumio ; Kaibara ; Nobuhiro ; Ohki ; Seibi ; Okamoto ; Kazuo ; Suz uki ; Akira, Fuel injection apparatus.
상세보기
Eheim Franz (Stuttgart DEX) Straubel Max (Stuttgart DEX), Fuel injection apparatus having at least one fuel injection valve for high-powered engines.
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Lakra Paul (Wembley GB2), Fuel injection pumping apparatus.
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Lakra Paul (Wembley GB2), Fuel injection system.
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Lakra ; Paul, Fuel injection systems.
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Takahashi Seiji (Higashi-Matsuyama JA) Kaibara Nobuhiro (Higashi-Matsuyama JA), Unit injector for a diesel engine.
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이 특허를 인용한 특허 (33) 인용/피인용 타임라인 분석

Meints Edward G. (Peoria IL) Stockner Alan R. (Metamora IL), Actuator and valve assembly for a hydraulically-actuated electronically-controlled injector.
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Sturman Oded E., Air-fuel module adapted for an internal combustion engine.
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Sturman Oded E., Air-fuel module adapted for an internal combustion engine.
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Magel, Hans-Christoph, Boosted fuel injector with rapid pressure reduction at end of injection.
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Murakami, Motoichi; Watanabe, Yoshimasa; Omae, Kazuhiro, Common rail fuel injection apparatus and control method thereof.
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Magel,Hans Christoph, Control valve for a fuel injector that contains a pressure intensifier.
상세보기
Ricco, Mario; Borrione, Stefano Maria, Device for controlling the flow of a high-pressure pump in a common-rail fuel injection system of an internal combustion engine.
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Peters Lester L. (Columbus IN) Perr Julius P. (Columbus IN) Smith Edward D. (Greensburg IN), Electronic controlled fuel supply system for high pressure injector.
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Magel,Hans Christoph; Kropp,Martin, Filter arrangement for fuel injection systems.
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Kropp, Martin; Magel, Hans-Christoph; Otterbach, Wolfgang, Fuel injection device.
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Oshizawa, Hidekazu; Takekawa, Yoriyuki, Fuel injection device.
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Boecking, Friedrich, Fuel injection device for internal combustion engines.
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Magel, Hans-Christoph, Fuel injection system.
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Mahr, Bernd; Kropp, Martin; Magel, Hans-Christoph; Otterbach, Wolfgang, Fuel injection system for an internal combustion engine.
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Sverdlin Anatoly (1847 Raintree Cir. Seabrook TX 77586), Fuel injection system for internal combustion engines.
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Bernhard Bonse DE; Walter Egler DE; Peter Boehland DE; Klaus Wohlleber DE; Joerg Schmidt DE; Karl Hofmann DE, Fuel injection system for internal combustion engines, and method for injecting fuel into the combustion chamber of an internal combustion engine.
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Bernd Mahr DE; Martin Kropp DE; Hans-Christoph Magel DE; Wolfgang Otterbach DE, Fuel injection system which uses a pressure step-up unit.
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Schwarz, Volker, Fuel injection system with fuel pressure intensification.
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Knight,Andrew, Fuel injection systems.
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Ishibashi Toru (Higashimatsuyama JPX) Taira Shigeo (Higashimatsuyama JPX), Fuel injection valve.
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Magel,Christoph; Kern,Volkmar, Fuel injectiony system with pressure booster, and pressure booster.
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Yoshinaga Toru (Okazaki JPX) Igashira Toshihiko (Toyokawa JPX) Sakakibara Yasuyuki (Nishio JPX) Natsuyama Yukihiro (Okazaki JPX), Fuel injector for an internal combustion engine.
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Eisenmenger,Nadja; Magel,Hans Christoph, Fuel injector provided with provided with a pressure transmitter controlled by a servo valve.
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Shinogle, Ronald Dean; Ibrahim, Daniel Richard, Fuel injector with selectable intensification.
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Sturman Oded E., High speed fuel injector.
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Isozumi Shuzo,JPX ; Miyaji Wakaki,JPX, High-pressure fuel pump unit for in-cylinder injecting type engine.
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Sturman Oded E., Hydraulically driven springless fuel injector.
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Chockley Scott A.,GBX, Hydraulically-actuated fuel injector with rate shaping spool control valve.
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Sturman Oded E., Intensified fuel injector having a lateral drain passage.
상세보기
Moncelle Michael E., Method and apparatus for injecting fuel using control fluid to control the injection's pressure and time.
상세보기
Mahr, Bernd; Kropp, Martin; Magel, Hans-Christoph; Otterbach, Wolfgang, Method and apparatus for performing a fuel injection.
상세보기
Otsuka Shojiro (Higashi-Matsuyama JPX) Komada Hideaki (Higashi-Matsuyama JPX), Multistage fuel injection system for internal combustion engines.
상세보기
Boecking, Friedrich, Pressure-regulated injector with pressure conversion.
상세보기

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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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[미국특허] Fuel injection system 원문보기