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    • 2. 发明公开
    • Fuel injector
    • 喷油器
    • EP2554909A3
    • 2017-11-01
    • EP12174095.5
    • 2012-06-28
    • Rolls-Royce plc
    • Harding, Stephen Charles
    • F23R3/34F23R3/28
    • F23R3/343F23D2900/11101F23R3/28
    • A fuel injector head for a gas turbine engine comprising: a pilot injector (10) having a central axis (2), the pilot injector being arranged to direct fuel and air to a pilot combustion zone, a main injector located radially outwardly of the pilot injector and being arranged to direct fuel and air to a main combustion zone, a splitter (25) separating the pilot injector from the main injector and comprising a body, the body defining an axis, an annular surface and a downstream edge wherein the annular surface has a circumferentially varied axial length so that interaction between the pilot combustion zone and the main combustion zone initiates from least two different axial positions.
    • 1。一种用于燃气涡轮发动机的燃料喷射器头,包括:具有中心轴线(2)的先导喷射器(10),所述先导喷射器布置成将燃料和空气引导到先导燃烧区,位于所述先导器的径向外侧的主喷射器 喷射器并且布置成将燃料和空气引导到主燃烧区;分流器(25),将主控喷射器与主喷射器分开并且包括主体,主体限定轴线,环形表面和下游边缘,其中环形表面 具有周向变化的轴向长度,使得引燃燃烧区和主燃烧区之间的相互作用从至少两个不同的轴向位置开始。
    • 3. 发明公开
    • A combustion chamber wall and a method of manufacturing a combustion chamber wall
    • Verfahren zur Herstellung einer Brennkammerwand
    • EP2913588A1
    • 2015-09-02
    • EP15152992.2
    • 2015-01-29
    • Rolls-Royce plc
    • Harding, Stephen Charles
    • F23R3/00B22F3/105B22F5/00
    • F23R3/002B22F3/105B22F3/1055B22F5/009B22F5/10B22F2003/1054C21B9/04F23R2900/00018F23R2900/03042Y02P10/295Y10T29/49231
    • A combustion chamber wall (46) is hollow, has a first surface (54) and a second surface (56) and comprises a plurality of polyhedron shaped chambers (58) defined by a matrix (60) of integral interconnected walls (62). The walls (62A) of the chambers (58A) in a first layer (A) define the first surface (54) of the combustion chamber wall (46) and the walls (62) of the chambers (58C) in a third layer (C) define the second surface (56) of the combustion chamber wall (46). The chambers (58) are fluidly interconnected by apertures (64) extending through the integral interconnected walls (62) of the chambers (58) for the flow of coolant (D) there-between. The walls (62A) of the chambers (58A) in the first layer (A) have apertures (64A) extending there-through to supply coolant (D) into the first layer (A) and the walls (62C) of the chambers (58C) in the third layer (C) have apertures (64C) extending there-through to supply coolant (D) from the third layer (C) into the combustion chamber. The combustion chamber wall (46) is manufactured by additive layer manufacture.
    • 燃烧室壁(46)是中空的,具有第一表面(54)和第二表面(56),并且包括由整体互连壁(62)的基体(60)限定的多个多面体形状的室(58)。 第一层(A)中的腔室(58A)的壁(62A)限定燃烧室壁(46)的第一表面(54)和腔室(58C)的壁(62)在第三层 C)限定燃烧室壁(46)的第二表面(56)。 腔室(58)通过延伸通过腔室(58)的整体互连壁(62)的孔(64)流体地互连,用于其间的冷却剂(D)流。 第一层(A)中的室(58A)的壁(62A)具有在其中延伸的孔(64A),以将冷却剂(D)供应到第一层(A)和室的壁(62C) 在第三层(C)中具有从第三层(C)向内延伸的孔(64C),以将冷却剂(D)从第三层(C)供应到燃烧室。 燃烧室壁(46)通过添加剂层制造制造。
    • 4. 发明公开
    • Fuel injector
    • Kraftstoffeinspritzdüse
    • EP2554909A2
    • 2013-02-06
    • EP12174095.5
    • 2012-06-28
    • Rolls-Royce plc
    • Harding, Stephen Charles
    • F23R3/34F23R3/28
    • F23R3/343F23D2900/11101F23R3/28
    • A fuel injector head for a gas turbine engine comprising: a pilot injector (10) having a central axis (2), the pilot injector being arranged to direct fuel and air to a pilot combustion zone, a main injector located radially outwardly of the pilot injector and being arranged to direct fuel and air to a main combustion zone, a splitter (25) separating the pilot injector from the main injector and comprising a body, the body defining an axis, an annular surface and a downstream edge wherein the annular surface has a circumferentially varied axial length so that interaction between the pilot combustion zone and the main combustion zone initiates from least two different axial positions.
    • 一种用于燃气涡轮发动机的燃料喷射器头,包括:具有中心轴线(2)的先导喷射器(10),所述引导喷射器布置成将燃料和空气引导到先导燃烧区域,位于飞行员径向外侧的主喷射器 喷射器并且被布置成将燃料和空气引导到主燃烧区域;分流器(25),其将先导喷射器与主喷射器分离并且包括主体,主体限定轴线,环形表面和下游边缘,其中环形表面 具有周向变化的轴向长度,使得先导燃烧区和主燃烧区之间的相互作用从至少两个不同的轴向位置开始。