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    • 33. 发明公开
    • Engine fuel delivery system
    • Motorkraftstoffabgabesystem
    • EP2873836A1
    • 2015-05-20
    • EP14190784.0
    • 2014-10-29
    • Rolls-Royce plc
    • Swann, Peter
    • F02C3/20F02C7/236F02C9/40
    • B64D45/00B64D37/30F02C3/20F02C7/236F02C9/40F05D2270/07F05D2270/081Y02T50/671Y02T50/677Y02T50/678
    • This invention concerns a fuel delivery system for an aircraft engine, comprising a fuel delivery regulator arranged to receive fuel from a plurality of fuel sources for supply to the engine. An engine operating condition sensor reading is received by a control unit arranged to control operation of the regulator. The control unit actuates the regulator based on a received signal from the engine operating condition sensor in order to vary the volume of fuels from the plurality of fuel sources supplied to the engine during at least a portion of the landing/take-off (LTO) cycle relative to a further portion of the aircraft flight. The different fuels may comprise kerosene and an alternative fuel, such as a biofuel.
    • 本发明涉及一种用于飞行器发动机的燃料输送系统,其包括燃料输送调节器,燃料输送调节器布置成从多个燃料源接收燃料以供给发动机。 发动机工况条件传感器读数被设置成控制调节器运行的控制单元接收。 控制单元基于来自发动机操作状态传感器的接收信号来致动调节器,以便在至少一部分着陆/起飞(LTO)期间改变从提供给发动机的多个燃料源中的燃料的体积, 相对于飞机飞行的另一部分。 不同的燃料可以包括煤油和替代燃料,例如生物燃料。
    • 37. 发明公开
    • GAS TURBINE ENGINE FLUID COOLING SYSTEMS AND METHODS OF OPERATING THE SAME
    • 燃气轮机发动机流体冷却系统及其操作方法
    • EP3179086A1
    • 2017-06-14
    • EP16200783.5
    • 2016-11-25
    • General Electric Company
    • SENNOUN, Mohammed El Hacin
    • F02K3/06F02C7/06F02C7/14F02C7/18F02C9/16
    • F01D25/14F02C3/04F02C7/06F02C7/12F02C7/14F02C7/18F02C9/16F02C9/18F02K3/06F04D29/522F05D2220/32F05D2260/213F05D2260/606F05D2270/07F05D2270/303Y02T50/671Y02T50/676
    • A fluid cooling system (100) for use in a gas turbine engine (10) including a fan casing (42) circumscribing a core gas turbine engine (13) includes a heat source (102) configured to transfer heat to a heat transfer fluid and a primary heat exchanger (106) coupled in flow communication with the heat source. The primary heat exchanger is configured to channel the heat transfer fluid therethrough and is coupled to the fan casing. The fluid cooling system also includes a secondary heat exchanger (108) coupled in flow communication with the primary heat exchanger. The secondary heat exchanger is configured to channel the heat transfer fluid therethrough and is coupled to the core gas turbine engine. The fluid cooling system also includes a bypass mechanism (114) coupled in flow communication with the secondary heat exchanger. The bypass mechanism is selectively moveable based on a temperature of a fluid medium to control a cooling airflow through the secondary heat exchanger.
    • 一种用于燃气涡轮发动机(10)中的流体冷却系统(100),所述燃气涡轮发动机(10)包括围绕核心燃气涡轮发动机(13)的风扇壳体(42),所述流体冷却系统包括配置成将热量传递至传热流体的热源 与热源流体连通地联接的主热交换器(106)。 主热交换器构造成引导传热流体穿过并且联接到风扇壳体。 该流体冷却系统还包括与主热交换器流动连通的二级热交换器(108)。 辅助热交换器被构造成引导传热流体穿过并且联接到核心燃气涡轮发动机。 流体冷却系统还包括与次级热交换器流体连通地耦合的旁路机构(114)。 旁路机构可基于流体介质的温度选择性地移动,以控制通过次级热交换器的冷却气流。