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    • 2. 发明申请
    • VORTEX FUEL NOZZLE TO REDUCE NOISE LEVELS AND IMPROVE MIXING
    • VORTEX燃料喷嘴减少噪声水平并改善混合
    • WO2004055434A1
    • 2004-07-01
    • PCT/CA2003/001766
    • 2003-11-18
    • PRATT & WHITNEY CANADA CORP.ALKABIE, Hisham
    • ALKABIE, Hisham
    • F23D11/10
    • F23R3/28F23D11/103F23D11/105
    • A fuel nozzle with a ring of fuel spray orifices directing fuel jets at a fuel vortex generator having a fuel deflecting surface disposed downstream a distance from each fuel spray orifice. A mixing chamber is defined between the fuel spray orifices and the fuel deflecting surface having a surface contour oriented to deflect fuel jets into the mixing chamber in counter-rotating adjacent pairs of fuel laden vortices. An air inlet supplies air to the mixing chamber via an airflow vortex generator having an airflow deflecting surface with a surface contour oriented to deflect airflow into the mixing chamber in counter-rotating adjacent pairs of airflow vortices. A fuel-air mixture outlet downstream from the mixing chamber releases the fuel-air mixture into a combustor for ignition.
    • 具有燃料喷射孔的燃料喷嘴的燃料喷嘴在燃料涡流发生器处引导燃料喷射器,燃料涡流发生器具有设置在距离每个燃料喷射孔的距离下游的燃料偏转表面。 在燃料喷射孔和燃料偏转表面之间限定了一个混合室,该混合室具有一定向表面轮廓的表面轮廓,以将燃料喷流在反向旋转相邻的燃料载荷涡流对中偏转到混合室中。 空气入口经由具有气流偏转表面的气流涡流发生器向混合室供应空气,该气流偏转表面的表面轮廓被定向成在相对旋转的相邻的气流涡流对中将气流偏转到混合室中。 混合室下游的燃料 - 空气混合物出口将燃料 - 空气混合物释放到用于点燃的燃烧器中。
    • 9. 发明申请
    • HELICAL CHANNEL FUEL DISTRIBUTOR AND METHOD
    • 螺旋通道燃油分配器和方法
    • WO2005061964A1
    • 2005-07-07
    • PCT/CA2004/002181
    • 2004-12-22
    • PRATT & WHITNEY CANADA CORP.PROCIW, Lev Alexander
    • PROCIW, Lev Alexander
    • F23R3/28
    • F23D11/383F23D11/105F23D2900/11101F23D2900/14021F23R3/286Y10T29/4932Y10T29/49348
    • The present invention includes a fuel distributor (36) for a fuel nozzle (30) in a gas turbine engine (10) comprising an inner tubular body (46) and an outer tubular body (38) respectively having an outer body inner surface (40) and an inner body outer surface (54) adapted to be in sealing contact one with the other, at least two helical fuel channels (56) defined in at least one of the inner and outer surfaces (40, 54) and being in fluid communication with a fuel inlet (62), and a channel exit port (58) for each helical fuel channel (56). The present invention also includes a method of distributing fuel in a fuel nozzle (30) comprising the steps of providing at least two helical channels (56) in the fuel nozzle (30), each having a channel exit port (58), providing a fuel inlet cavity (60) in fluid communication with the helical channels (56), and flowing fuel in the fuel inlet cavity (60), the helical channels (56) and the channel exit ports (58).
    • 本发明包括在燃气涡轮发动机(10)中用于燃料喷嘴(30)的燃料分配器(36),其包括分别具有外主体内表面(40)的内管体(46)和外管体(38) )和适于与另一个密封接触的内体外表面(54),限定在所述内表面和外表面(40,54)中的至少一个中的至少两个螺旋形燃料通道(56)并且处于流体 与燃料入口(62)的连通,以及用于每个螺旋形燃料通道(56)的通道出口(58)。 本发明还包括在燃料喷嘴(30)中分配燃料的方法,包括以下步骤:在燃料喷嘴(30)中设置至少两个螺旋通道(56),每个具有通道出口(58),提供一个 与螺旋通道(56)流体连通的燃料入口腔(60),以及在燃料入口腔(60),螺旋通道(56)和通道出口(58)中流动的燃料。
    • 10. 发明申请
    • PILOT LIQUID FUEL LANCE, PILOT LIQUID FUEL SYSTEM AND METHOD OF USE
    • 引燃液体燃料,引燃液体燃料系统及其使用方法
    • WO2016087110A1
    • 2016-06-09
    • PCT/EP2015/074154
    • 2015-10-19
    • SIEMENS AKTIENGESELLSCHAFT
    • DOLMANSLEY, TimothyNILSSON, Ulf
    • F23R3/34
    • F23R3/343F23C2900/07021F23D11/105F23R2900/00004
    • A liquid fuel lance (156) for a burner (30) of a combustor (16) of a gas turbine combustor, a liquid fuel system incorporating the liquid fuel lance and a method of operating the liquid fuel system are disclosed. The liquid fuel lance (156) comprises an elongate liquid fuel lance body (68) and a liquid fuel tip (172). The elongate liquid fuel lance body (168) comprises a fuel flow passage (170) and at least a first air passage (130A) and a second air passage (130B, 130C). A liquid fuel tip (172) defines a fuel outlet (186) and arranged about the fuel outlet 186 at least a first outlet (190A) and a second outlet (190B, 190C) to which air is independently supplied by the first air passage (130A) and the second air passage (130B, 130C) respectively, and wherein the amount of air supplied to the first air passage (130A) is variable.
    • 公开了一种用于燃气轮机燃烧器的燃烧器(16)的燃烧器(30)的液体燃料喷枪(156),并入有液体燃料喷枪的液体燃料系统和操作液体燃料系统的方法。 液体燃料喷枪(156)包括细长液体燃料喷枪体(68)和液体燃料喷嘴(172)。 细长液体燃料喷枪体(168)包括燃料流动通道(170)和至少第一空气通道(130A)和第二空气通道(130B,130C)。 液体燃料末端(172)限定燃料出口(186)并且围绕燃料出口186布置至少第一出口(190A)和第二出口(190B,190C),空气由第一空气通道独立供应 130A)和第二空气通道(130B,130C),并且其中供应到第一空气通道(130A)的空气量是可变的。