[특허]Fuel injection apparatus

Fuel injection apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-007/22 B05B-007/10
출원번호	US-0395605 (1973-09-10)
발명자 / 주소	Weinstein Barry (Georgetown MA) Riley Edward Donald (Groveland MA)
출원인 / 주소	General Electric Company (Lynn MA 02)
인용정보	피인용 횟수 : 40 인용 특허 : 0

초록 ▼

An improved fuel injection apparatus is provided to uniformly disperse a low pressure fuel in a highly atomized manner for introduction into a combustion apparatus. The fuel injection apparatus of this invention employs a system of counter-rotating air swirl means disposed about a shroud member whereby the primary atomizing forces are the high shear stresses developed at the confluence of the counter-rotating air streams and the greater velocity and uniformity at which the fuel is dispersed within the shroud provides for a substantially increased atomization efficiency.

대표청구항 ▼

A fuel injection apparatus comprising: a fuel injector having a cylindrical housing, a tubular body centrally disposed within the cylindrical housing and spaced apart therefrom so as to define a first annular air passage therebetween, fuel swirl means disposed within the tubular body for imparting a swirl to an inlet stream of fuel wherein the interior surface of the tubular body converges to a minimum diameter orifice downstream from the swirl member, and thereafter diverges outwardly terminating in a transverse edge so as to generally define a venturi, and a primary air swirl means having a plurality of circumferentially spaced apart swirl vanes disposed intermediate the tubular body and cylindrical housing for swirling an inlet flow of air in the same direction as the fuel swirl; a generally cylindrical primary shroud coaxially spaced downstream from the fuel injector defining a central core Air passage therethrough; secondary air swirl means disposed intermediate the injector and primary shroud to impart a circumferential swirl component to the flow through the core wherein the secondary swirl component is in the same circumferential direction as the fuel and primary air swirl; tertiary air swirl means disposed downstream of the secondary air swirl means to impart a circumferential swirl component in the direction opposing that of the secondary swirl means such that fuel reaching the downstream end of the primary shroud is atomized by the shear stresses developed by the counter-rotating aerodynamic forces at the confluence of the secondary and tertiary swirls and wherein the primary swirl means are disposed at the inlet to the first annular air passage, and the inner and outer surfaces of the first annular air passage coverage conically inward to a minimum cross-sectional area and then diverge conically outward so as to define a second venturi coaxially disposed about the first venturi. A fuel injection apparatus comprising: fuel injection means; a generally cylindrical primary shroud coaxially spaced downstream from the fuel injection means defining a central core air passage therethrough; primary air swirl means disposed intermediate the injector means and primary shroud to impart a circumferential swirl component to the flow through the core wherein the swirl means includes a first plurality of circumferentially spaced swirl vanes disposed intermediate a first radially extending circumferential wall member concentric to the fuel injection means and a second axially spaced apart radially extending circumferential wall member connected to the primary shroud; secondary air swirl means disposed downstream of the primary air swirl means to impart a circumferential swirl component in the direction opposing that of the primary swirl means such that fuel reaching the downstream end of the primary shroud is atomized by the shear stresses developed by the counter-rotating aerodynamic forces at the confluence of the primary and secondary swirls wherein the secondary swirl means include a second plurality of circumferentially spaced swirl vanes disposed intermediate the second wall member and a third axially spaced apart radially extending circumferential wall member; and a mini cowling having an outer cylindrical wall in connection to the outer periphery of the second wall member and defining first and second annular plenums which respectively direct inlet airflows to the secondary and tertiary swirl means from an external source of pressurized air wherein the pressurized airflow entering each plenum is rapidly diffused in order to reduce the variation in pressure and velocity of the inlet airflow to the respective swirl vanes.

이 특허를 인용한 특허 (40)

Surovikin Vitaly F. (ulitsa Lermontova ; 20 ; kv. 80 Omsk SUX) Antonenko Vladimir F. (Kamerny pereulok ; 46 ; kv. 61 Omsk SUX) Babich Gennady V. (ulitsa 20 let RKKA ; 40 ; kv. 15 Omsk SUX) Bobrik Mik, Aerodynamic apparatus for mixing components of a fuel mixture.
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Bensaadi Mehdi,FRX ; Desaulty Michel Andre Albert,FRX ; Pitrou Sebastien Pierre Jean,FRX ; Schroer Pierre Marie Victor Emile,FRX, Aerodynamic fuel injection system for a gas turbine engine.
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Baudoin, Christophe; Commaret, Patrice-Andr?; Viguier, Christophe, Aeromechanical injection system with a primary anti-return swirler.
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Barbier Grard Y. G. (Morangis FRX) Bayle-Laboure Grard J. P. (Avon FRX) Desaulty Michael A. A. (Vert St Denis FRX) Martinez Rodolphe (Perigny S/ Yerres FRX) Perigne Jrome (Vaux le Penil FRX), Air-fuel injection system for a turbojet engine.
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Ohri,Rajeev, Can-annular turbine combustors comprising swirler assembly and base plate arrangements, and combinations.
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Pidcock Anthony (Derby GB2) Wray Andrew P. (Derby GB2), Combustion apparatus for a gas turbine engine.
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Jones Bryn (Belper GB2) Slattery Sidney E. (Foston GB2), Combustion apparatus for gas turbine engines.
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Stratton John F. (Accrington GB2), Combustion equipment.
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Willis Jeffrey D. (Coventry GB2) Gibney Nigel P. (Coventry GB2), Combustion equipment.
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Boardman, Gregory Allen; Myers, Geoffrey David; Karim, Hasan; Hughes, Michael John; Hajiloo, Azardokht, Combustor and method for distributing fuel in the combustor.
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Stenger Richard E. (Cincinnati OH) Ekstedt Edward E. (Montgomery OH) Seto Stanford P. (Loveland OH), Combustor dome sleeve.
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Li, Shui-Chi; Mueller, Mark Anthony; Vermeersch, Michael Louis; Held, Timothy James, Cooled flameholder swirl cup.
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Weidlich Franz (Snapphanevagen 150 175 34 Jarfalla SW), Device in carburettors, particularly for internal combustion engines.
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Joshi Narendra D., Dual fuel mixer for gas turbine combustor.
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Holzapfel Immanuel (Stuttgart DT), Film evaporating combustion chamber.
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Frenette, Eugene R.; Frenette, Henry E., Fuel combustion system.
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Frenette, Eugene R.; Frenette, Henry E., Fuel combustion system.
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Graves Charles B. ; Smith Clifford E., Fuel injector for producing outer shear layer flame for combustion.
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Shekleton Jack R. (San Diego CA), Fuel injectors for use with combustors.
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Davis ; Jr. ; Lewis B. ; Wilkes ; Colin, Fuel nozzle for gas turbines.
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Chin, Jushan; Rizk, Nader K.; Razdan, Mohan K.; Marshall, Andre W., Fuel premixing module for gas turbine engine combustor.
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Rock, Kelly P., Fuel processor apparatus and method.
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Rock, Kelly P.; Nadeau, Jr., Bruce E., Fuel processor apparatus and method.
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Ohkubo Yoichiro (Aichi JPX) Idota Yoshinori (Aichi JPX) Tanasawa Yasusi (Aichi JPX), Fuel spray combustion device.
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Monty,Joseph Douglas, Gas turbine engine combustor mixer.
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Snyder, Timothy S., Hooded air/fuel swirler for a gas turbine engine.
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Hoke James B. ; Segalman Irving ; Siskind Kenneth S. ; Smith Reid D. C., Low NOx combustor for gas turbine engine.
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Taylor Jack R. (Cincinnati OH), Low coke fuel injector for a gas turbine engine.
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Rock, Kelly P., Medical liquid processor apparatus and method.
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Rock, Kelly, Medication processing system and method.
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Dai, Zhongtao; Cohen, Jeffrey M.; Fotache, Catalin G.; Smith, Lance L.; Hautman, Donald J., Mixer assembly for a gas turbine engine.
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Dai, Zhongtao; Cohen, Jeffrey M.; Fotache, Catalin G.; Smith, Lance L.; Hautman, Donald J., Mixer assembly for a gas turbine engine.
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Ohmori Takashi (Hitachi JPX) Sato Isao (Hitachi JPX) Ishibashi Yoji (Hitachi JPX) Minakawa Yoshimitsu (Hitachi JPX) Kuroda Michio (Hitachi JPX) Tamura Zensuke (Hitachi JPX), Premixing swirling burner.
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Monty Joseph D. (Boxford MA), Regenerative cooled dome assembly for a gas turbine engine combustor.
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Shekleton Jack R. (San Diego CA) Smith Robert W. (Lakeside CA), Stored energy combustor fuel injection system.
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Stotts Robert E. (Newark NY), Streaked spray nozzle for enhanced air/fuel mixing.
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Ohri, Rajeev; Wetzl, Kristian I.; Reid, Herbert C.; Harris, Jr., Arthur J.; Parker, David M.; Mumford, Stephen E., Swirler assembly and combinations of same in gas turbine engine combustors.
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Cheung, Albert K., Swirler, fuel and air assembly and combustor.
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Stickles, Richard W.; Halpin, John L., Venturiless swirl cup.
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Stickles, Richard W.; Halpin, John L., Venturiless swirl cup.
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