VANE COOLING SYSTEM
    1.
    发明公开
    VANE COOLING SYSTEM 审中-公开

    公开(公告)号:EP3385504A1

    公开(公告)日:2018-10-10

    申请号:EP18160507.2

    申请日:2018-03-07

    申请人: Rolls-Royce plc

    发明人: Pitt, Simon

    IPC分类号: F01D9/02 F01D9/06 F01D25/12

    摘要: A vane cooling system for a gas turbine engine comprises a vane (20a) arranged on a stator and having a chamber (27,28) extending continuously from a radially inner end to a radially outer end of the vane. The vane (20a) has a first inlet (41) and a second inlet (42). A first cooling fluid feed (54) in communication with the first inlet (41) and a second cooling fluid feed (43) in communication with the second inlet (42). The first cooling fluid feed (54) has a higher pressure than the second cooling fluid feed (43). A flow adjustment device (45) is arranged for adjusting a flow of the second cooling fluid feed (43) into the second inlet (42). The chamber is divided by a restrictor plate (25, 26) to provide an inner chamber (27) and a wall-side chamber (28) bordering the inner chamber (27). The first inlet (41) enters the wall-side chamber (28) and the second inlet (42) enters the central chamber (27).

    CHANNELLING TUBE AND METHOD FOR MANUFACTURING A CHANNELLING TUBE
    6.
    发明公开
    CHANNELLING TUBE AND METHOD FOR MANUFACTURING A CHANNELLING TUBE 审中-公开
    KANALISIERUNGSROHR UND VERFAHREN ZUR HERSTELLUNG EINES KANALISIERUNGSROHRS

    公开(公告)号:EP3156595A1

    公开(公告)日:2017-04-19

    申请号:EP15189271.8

    申请日:2015-10-12

    IPC分类号: F01D5/18

    摘要: The present invention relates to a method of manufacture of a channelling tube (10) with an insulating air gap (44) for transferring coolant from the outer platform to the inner platform of a hollow stator vane of a turbine. The purpose is to minimize heat transfer even at low flow rates of coolant in order to supply said coolant at the lowest possible temperature to the inner platform.
    The tube is realized by tight rolling a flat metal sheet (16) in order to obtain a tight spiral defining a tube with an outer diameter d; said tube is then released so that it expands via a spring effect to an outer diameter D; the circumferential ends of the spiral are attached to the adjacent layer to define a central passage (42) for the coolant and the spiral gap (44) that creates insulation layer(s) around the central passage.

    摘要翻译: 本发明涉及一种制造具有绝缘气隙(44)的导流管(10)的方法,用于将冷却剂从外平台传送到涡轮机的中空定子叶片的内平台。 目的是尽可能在低流量的冷却剂下尽量减少传热,以便将最低可能的温度的所述冷却剂供应到内部平台。 通过紧密轧制平板金属板(16)来实现管,以获得限定具有外径d的管的紧密螺旋; 所述管然后被释放,使得其经由弹簧效应膨胀到外径D; 螺旋的周向端部附接到相邻的层,以限定用于冷却剂的中心通道(42)和围绕中心通道产生绝缘层的螺旋间隙(44)。

    System and method for transitioning between fuel supplies for a combustion system
    10.
    发明公开
    System and method for transitioning between fuel supplies for a combustion system 审中-公开
    的系统和方法用于燃烧系统的不同的燃料供应之间的过渡

    公开(公告)号:EP2497924A2

    公开(公告)日:2012-09-12

    申请号:EP12157991.6

    申请日:2012-03-02

    IPC分类号: F02C9/40

    摘要: A system includes a turbine fuel controller (14). The turbine fuel controller (14) includes a purge control logic (40) configured to control a purge sequence of mixing an inert purge gas (36) with a first fuel (18) during a first fuel shutdown, wherein the purge sequence is configured to open a purge valve (34, 92, and 94) for the inert purge gas (36) before fully closing a fuel valve (26) for the first fuel (18).

    摘要翻译: 一种系统包括涡轮燃料控制器(14)。 涡轮燃料控制器(14)包括构造成控制第一燃料关闭期间与第一燃料(18)的惰性吹扫气体(36)的混合,worin清洗程序的清洗程序的清洗控制逻辑(40)被配置为 完全关闭燃料阀(26),用于所述第一燃料(18)之前,打开用于惰性吹扫气体(36)净化阀(34,92,和94)。