[특허]Air-assist fuel injection system

Air-assist fuel injection system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B05B-007/10 F02M-051/00
출원번호	US-0779080 (1991-10-18)
발명자 / 주소	Saikalis George (West Bloomfield MI) Yamauchi Teruo (Farmington Hills MI) Byers Robert W. (Redford MI)
출원인 / 주소	Hitachi America, Ltd. (Tarrytown NY 02)
인용정보	피인용 횟수 : 37 인용 특허 : 0

초록 ▼

An air-assist fuel injection system controls the supply of compressed air to the fuel injectors according to the operating status of internal combustion engine. For cold start operation, compressed air is supplied continuously to the injectors; while, for partial load (cruising) and partial acceleration, air is supplied as a pulsating (air volume control) flow consisting of air pulses coincident with the injected fuel pulses. On the other hand, for acceleration and deceleration, the supply of compressed air to the injectors may be inhibited. Further, idle speed control can be achieved using the air-assist to the fuel injectors, thereby eliminating need for a separate idle speed control valve. To enhance system operation, a fuel injector may be employed in which both the fuel and the applied compressed air are swirled, but in opposite directions, so as to achieve a fuel spray of small particle size.

대표청구항 ▼

An air-assisted electromagnetic fuel injection valve for an internal combustion engine, comprising a valve body forming a fuel passage along which liquid fuel is caused to flow; electromagnetic means including a movable valve member for metering liquid fuel flowing along said fuel passage in accordance with an applied electrical signal; a fuel swirling element disposed along said fuel passage for imparting a swirling motion to the liquid fuel; an air swirling element disposed in said fuel passage downstream of said fuel swirling element so as to receive swirling liquid fuel; and means for supplying compressed air to said air swirling element to produce a swirling air stream which is intercepted by said swirling liquid fuel, so as to break up said swirling liquid fuel into fine droplets and form a fuel spray, wherein said fuel swirling element has offset radial grooves through which liquid fuel is introduced into a fuel swirling chamber, said fuel swirling chamber having an opening through which swirling fuel is introduced to said air swirling element.

이 특허를 인용한 특허 (37)

Nelson Brian J. ; Thomson Sandra N. ; Dykstra Gregory J., Bi-modal air assist injection system.
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Imoehl, William James, Coating for a fuel injector seat.
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Imoehl, William James, Coating for a fuel injector seat.
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Rutkowski, Brian D.; Scheer, Howard Edmund; Cullen, Michael John, Fault diagnostic for an internal combustion engine having air assisted injectors.
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Presz, Jr., Walter M.; Kowalski, III, Stanley, Fluid nozzle system using self-propelling toroidal vortices for long-range jet impact.
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Sugiura Masanari,JPX ; Hirayama Sinobu,JPX ; Oda Kaoru,JPX, Fuel injection apparatus for an internal combustion engine.
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Fukutomi Norihisa,JPX ; Sumida Mamoru,JPX ; Munezane Tsuyoshi,JPX, Fuel injection valve.
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Yoshio Okamoto JP; Yzo Kadomukai JP; Yoshiyuki Tanabe JP; Yasunaga Hamada JP, Fuel injector and internal combustion engine having the same.
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Frick Michael J., Fuel injector having a flat disk swirl generator.
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Wieczorek David P. ; Fochtman James Paul, Fuel injector having after-injection reduction arrangement.
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Wyant Gordon, Fuel injector having an integrated seat and swirl generator.
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William James Imoehl ; Bryan Hall, Fuel injector seat with a sharp edge.
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Wieczorek, David P.; Phillips, John Wesley, Fuel injector temperature stabilizing arrangement and method.
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Imoehl William James ; Hall Bryan, Fuel injector with a transition region.
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Prociw, Lev Alexander, Fuel nozzles.
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Kirk D. Doane ; John D. Zmierski, Fuel pressure regulation system.
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Kudoh, Yasushi, Gas-liquid mixing nozzle, and emulsion fuel combustion system and environment purification liquid spray system that use the same.
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Corson, Michael; Winston, Kenneth W., High altitude start of a gas turbine engine using fuel pulsing and starter toggling.
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Imoehl, William J., Injector seat that includes a coined seal band.
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Imoehl, William J., Injector seat that includes a coined seal band and method.
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Imoehl, William J.; Judkins, Sidney Barry, Injector seat that includes a coined seal band with radius.
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Imoehl, William J.; Judkins, Sidney Barry, Injector seat that includes a coined seal band with radius.
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Prociw, Lev Alexander; Ryon, Jason, Injectors for multipoint injection.
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Prociw, Lev Alexander; Tibbs, Andy W., Low calorific value fuel combustion systems for gas turbine engines.
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Imoehl, William James, Method of manufacturing a fuel injector seat.
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Terlecki, Andrej; Bridges, Graham; Day, Christopher; Laderman, Mark, Method of starting turbine engine from low engine speed.
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Prociw, Lev Alexander, Multipoint fuel injection arrangements.
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Short, John Earl, Multipoint injectors.
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Prociw, Lev Alexander, Multipoint injectors with auxiliary stage.
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Short, John Earl, Multipoint injectors with standard envelope characteristics.
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Ren Wei-Min ; Wieczorek David, Pressure swirl generator for a fuel injector.
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McInerney ; II Robert J. ; Celek David L. ; Mahon ; III James J. ; Forry Michael K. ; Swartzlander Kurt R., Pulse-wave-modulated spray valve.
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Warner Vernon R. ; Brooks Harry R. ; Pace Jeff B. ; Cohen James, Pulsed air assist valve module.
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Ren Wei-Min ; Wieczorek David, Swirl generator in a fuel injector.
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Jacobs Michael A. (Yorktown VA), Thermostatic air control for an air assist fuel injector.
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Battistini, Lorenzo; Neretti, Massimo; Ricci, Andrea, Valve body for a fuel injector.
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Ryon, Jason Allen; Buelow, Philip E. O.; Short, John Earl, Variable angle multi-point injection.
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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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Air-assist fuel injection system 원문보기

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Air-assist fuel injection system 원문보기

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이 특허를 인용한 특허 (37)

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