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公开(公告)号：EP1746347A3
公开(公告)日：2013-04-10
申请号：EP06252925.0
申请日：2006-06-06
申请人： Rolls-Royce plc
发明人： Griffin, Ian Allan , Rowe, Arthur Laurence , Stevenson, Andrew , Lebel, Jean-Francois , Mohamed, Caroline , Briekin, Timofei Vitalyevich , Sherwood, David James
CPC分类号： F02C9/34 , F05D2270/303 , F23R3/346
摘要： A method for operating a multi-stage combustor of a gas turbine engine comprises:
(a) determining a combustor air entry temperature;
(b) determining the combustor air entry flow rate; and
(c) controlling the fuel split ratio to stages of the combustor on the basis of the combustor air entry flow rate and the combustor air entry temperature.-
公开(公告)号：EP1462634A3
公开(公告)日：2011-04-27
申请号：EP04251210.3
申请日：2004-03-02
申请人： ROLLS-ROYCE PLC
IPC分类号： F02C9/28
CPC分类号： F02C9/28 , Y02T50/672
摘要： A gas turbine engine system comprises a first compression stage (54); a second compression stage (53); a combustor (55); a controller (102); a first sensor (82) for sensing the speed of the first compression stage (54) and providing a first indication of the sensed speed to the controller (102); and a second sensor (84) for sensing the speed of the second compression stage (53) and providing a second indication of the sensed speed to the controller (102), wherein the controller (102) is operable to control the supply of fuel to the combustor (55) in dependence upon the first indication received from the first sensor (82) and the second indication received from the second sensor (84). This arrangement is particularly useful in controlling the acceleration of an aero-engine from minimum idle.
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33.发明公开A gas turbine engine compressor variable stator vane arrangement 有权GasturbinenMotorkompressor mit variabler Statorschaufelanordnung
公开(公告)号：EP2148044A2
公开(公告)日：2010-01-27
申请号：EP09251804.2
申请日：2009-07-16
申请人： Rolls-Royce plc
CPC分类号： F01D17/162 , F02C9/20 , F04D27/0246 , F04D29/563
摘要： A compressor (32) variable stator vane arrangement comprises at least one stage of variable stator vanes (42). A speed sensor (50) measures the rotational speed (N2) of the compressor rotor (36). A pressure sensor (54) measures the outlet pressure (PS26) of the compressor (32). A second pressure sensor (47), a temperature sensor (51) and a third pressure sensor (55) measure the total inlet pressure (P20), the temperature (T20) and the ambient pressure (Pamb) at the inlet of the gas turbine engine (10). A processor (58) determines a target operating line as a function of ambient pressure (Pamb) and total inlet pressure (P20). The target operating line is defined to ensure the gas turbine engine (10) operates simultaneously at both the minimum required compressor speed and the minimum required compressor outlet pressure when commanded to idle to minimise idle thrust and fuel burn. The processor (58) determines if the operating point of the compressor, defined in terms of corrected outlet pressure (PS26/DP20) and corrected rotational speed (N2RTHT20) of the compressor rotor (36) is above or below the target operating line of the compressor (32). The processor (58) adjusts the angle of the variable stator vanes (42) to make the operating point operate on the target operating line.
摘要翻译： 压缩机（32）可变定子叶片装置包括至少一级的可变定子叶片（42）。 速度传感器（50）测量压缩机转子（36）的旋转速度（N2）。 压力传感器（54）测量压缩机（32）的出口压力（PS26）。 第二压力传感器（47），温度传感器（51）和第三压力传感器（55）测量燃气轮机入口处的总入口压力（P20），温度（T20）和环境压力（Pamb） 发动机（10）。 处理器（58）根据环境压力（Pamb）和总入口压力（P20）确定目标操作线。 目标操作线的定义是为了确保燃气涡轮发动机（10）同时处于最低要求的压缩机速度和最小所需的压缩机出口压力，当指令空转以使空转推力和燃料燃烧最小化。 处理器（58）确定根据压缩机转子（36）的校正出口压力（PS26 / DP20）和校正转速（N2RTHT20）定义的压缩机的工作点是否高于或低于 压缩机（32）。 处理器（58）调整可变定子叶片（42）的角度，使得操作点在目标操作线上操作。
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公开(公告)号：EP1074747A3
公开(公告)日：2002-04-03
申请号：EP00306277.5
申请日：2000-07-24
申请人： ROLLS-ROYCE PLC
摘要： A control system for a ducted fan gas turbine engine (10) comprises a control unit (29) that receives input signals from a pressure transducer (27) located within the engine's fan duct (11) downstream of the fan (13) and a rotational speed transducer (32) mounted adjacent the shaft (24) carrying the fan (13). In the event of the control unit (29) detecting a fall in the air pressure downstream of the fan (13) and an increase in fan speed, it commands a temporary reduction in the fuel flow to the engine (10). Such a decrease in the air pressure downstream of the fan (13) and increase in fan speed is indicative of the fan (13) entering a stall condition. The temporary reduction in fuel flow to the engine (10) enables the fan (13) to recover from that stall condition.
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公开(公告)号：EP0765998B1
公开(公告)日：2001-07-25
申请号：EP96306574.3
申请日：1996-09-10
申请人： ROLLS-ROYCE plc
IPC分类号： F02C9/28
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公开(公告)号：EP1074747A2
公开(公告)日：2001-02-07
申请号：EP00306277.5
申请日：2000-07-24
申请人： ROLLS-ROYCE PLC
摘要： A control system for a ducted fan gas turbine engine (10) comprises a control unit (29) that receives input signals from a pressure transducer (27) located within the engine's fan duct (11) downstream of the fan (13) and a rotational speed transducer (32) mounted adjacent the shaft (24) carrying the fan (13). In the event of the control unit (29) detecting a fall in the air pressure downstream of the fan (13) and an increase in fan speed, it commands a temporary reduction in the fuel flow to the engine (10). Such a decrease in the air pressure downstream of the fan (13) and increase in fan speed is indicative of the fan (13) entering a stall condition. The temporary reduction in fuel flow to the engine (10) enables the fan (13) to recover from that stall condition.
摘要翻译： 一种用于管道风扇燃气涡轮发动机（10）的控制系统包括控制单元（29），其接收来自位于风扇（13）下游的发动机风扇通道（11）内的压力传感器（27）的输入信号， 安装在承载风扇（13）的轴（24）附近的高速换能器（32）。 在控制单元（29）检测到风扇（13）下游的空气压力下降和风扇速度增加的情况下，可以暂时减少到发动机（10）的燃料流量。 风扇（13）下游的空气压力的这种降低和风扇速度的增加表示风扇（13）进入失速状态。 到发动机（10）的燃料流的临时减少使得风扇（13）能够从该失速状态恢复。
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公开(公告)号：EP0765998A3
公开(公告)日：1999-04-07
申请号：EP96306574.3
申请日：1996-09-10
申请人： ROLLS-ROYCE plc
IPC分类号： F02C9/28
摘要： A fuel control system (300) for a premixed lean burn combustor (36) in a combustion turbine engine (10), the combustor (36) having at least two stages (P,S,T), the control system (300) including;
an air flow evaluation module (28) having means utilising an iterative algorithm (29) to derive an accurate value of total air flow to the combustor (W31), the evaluation module (28) further having means (31) dividing the derived total air flow value into the proportions (Mp, Ms, Mt) required by the combustor stages (p, s, t) and outputting signals in parallel representing the air flow to respective combustor stages (p, s, t), and a control module (317, 322, 327, 352) associated with each stage (p, s, t) of the combustor (36) and responsible for setting the fuel demand signal for the associated combustor stage (p, s, t), each control module (317, 322, 327, 352) being adapted to set the fuel demand signal with reference to an appropriate one of said output signals.
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