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50 条记录 (耗时 0.014 秒)

    Pitch varying mechanisms for bladed rotors
    2.
    发明授权
    Pitch varying mechanisms for bladed rotors 失效
    用于叶片转子的变桨机构

    公开(公告)号：US3910721A

    公开(公告)日：1975-10-07

    申请号：US42871473

    申请日：1973-12-27

    申请人： ROLLS ROYCE 1971 LTD

    发明人： MCMURTRY DAVID ROBERTS

    IPC分类号： F04D29/36 ,  B64C11/32 ,  F01D7/00 ,  F02K3/04 ,  F03B3/14

    CPC分类号： F01D7/00 ,  F05D2220/36 ,  F05D2260/74 ,  F05D2260/76 ,  Y02T50/671

    摘要： In a variable pitch fan gas turbine engine the pitch varying mechanism is, for example, a gear mechanism and a clutch is provided for locking the mechanism when an engine has to be shut down so that the variable pitch blades are driven by rotation of the fan rotor into the feathered position to prevent windmilling of the fan.

    摘要翻译： 在变桨距风机燃气涡轮发动机中，变桨机构例如是齿轮机构，并且提供离合器用于当发动机必须关闭时锁定机构，使得变桨距叶片由风扇的旋转驱动 转子进入顺风位置，以防止风扇的风车。

    Apparatus for casting directionally solidified articles
    4.
    发明授权
    Apparatus for casting directionally solidified articles 失效
    用于铸造方向固化物品的装置

    公开(公告)号：US3845808A

    公开(公告)日：1974-11-05

    申请号：US31096672

    申请日：1972-11-30

    申请人： ROLLS ROYCE 1971 LTD

    发明人： HIGGINBOTHAM G ,  CUCKSON K

    IPC分类号： B22D15/04 ,  B22D27/04 ,  B22D27/15 ,  B22D27/16

    CPC分类号： B22D27/045 ,  B22D27/15

    摘要： Casting apparatus for the production of directionally solidified castings comprises first, second and third chambers and valves between the first and second and second and third chambers. The first chamber holds a charge melting and pouring arrangement. The second comprises a casting chamber and the third is a withdrawal chamber so that the casting may be withdrawn in a controlled fashion from the second chamber to produce the required directional solidification.

    摘要翻译： 用于生产定向凝固铸件的铸造装置包括在第一和第二和第二和第三室之间的第一，第二和第三室和阀。 第一个房间持有电荷熔化和浇注布置。 第二个包括铸造室，而第三个是取出室，使得铸件可以以受控的方式从第二室抽出以产生所需的定向凝固。

    Pitch varying mechanism for variable pitch fan
    6.
    发明授权
    Pitch varying mechanism for variable pitch fan 失效
    PITCH变化机制可变的风扇

    公开(公告)号：US3825370A

    公开(公告)日：1974-07-23

    申请号：US31275472

    申请日：1972-12-06

    申请人： ROLLS ROYCE 1971 LTD

    发明人： MC MURTRY D ,  AGG M

    IPC分类号： F04D29/36 ,  B64C11/32 ,  F04D29/32

    CPC分类号： F04D29/323 ,  F01D7/00 ,  F02C7/36 ,  F02K3/06 ,  F05D2220/36 ,  F05D2260/40311 ,  F05D2260/74 ,  F05D2260/79 ,  Y02T50/671

    摘要： The blades of a variable pitch fan of a gas turbine engine are rotated about their longitudinal axes as well as about the axis of the engine by a gear system which comprises a stationary actuator which initiates the pitch varying movement by producing a rotary output corresponding to the degree of pitch change required, an epicyclic differential gear driven by this output and the engine main shaft, and arranged to produce an output corresponding to the sum of the rotary output and the shaft rotational speed, and a pitch changing gear adapted to be driven by the output of the differential gear and to produce relative rotation of two annulus gears connected to rotate the fan blades about their own axes.

    Gas turbine engine blades
    7.
    发明授权
    Gas turbine engine blades 失效
    气体涡轮发动机叶片

    公开(公告)号：US3806274A

    公开(公告)日：1974-04-23

    申请号：US28277872

    申请日：1972-08-22

    申请人： ROLLS ROYCE 1971 LTD

    发明人： MOORE A

    IPC分类号： F01D5/18

    CPC分类号： F01D5/188

    摘要： A gas turbine blade has a hollow interior space which is divided to form flow passages for cooling medium. The flow passages are bounded by the sides of a sheet-like insert the two blade walls, and fins between the insert and the blade walls; they commence at one end of the blade and extend in a spiral-like path around the opposite sides of the insert.

    摘要翻译： 燃气轮机叶片具有中空的内部空间，其被分开以形成用于冷却介质的流动通道。 流动通道由片状插入物的两侧限定，两个叶片壁和插入件与叶片壁之间的翅片; 它们在刀片的一端开始，并且沿着插入件的相对侧的螺旋状路径延伸。

    Compressor for gas turbine engines
    8.
    发明授权
    Compressor for gas turbine engines 失效
    燃气轮机发动机用压缩机

    公开(公告)号：US3918840A

    公开(公告)日：1975-11-11

    申请号：US46196874

    申请日：1974-04-18

    申请人： ROLLS ROYCE 1971 LTD

    发明人： HAWORTH LIONAL ,  FOWERAKER DAVID BRUCE ,  FOSTER RICHARD ARMSTRONG

    IPC分类号： F01D5/16 ,  F01D5/22 ,  F04D29/32

    CPC分类号： F01D5/225 ,  F04D29/322

    摘要： A compressor for gas turbine engines, the compressor having an annular array of blades surrounded by a circumferentially continuous shroud ring having recesses pivotally engaged by extensions of the blades so that the radially outer ends of the blades are supported in normal operation, e.g. against vibration, but if the blades bend under an impact load, e.g. a bird strike, the outer ends can accommodate the bending by their freedom to pivot in the recesses or even by withdrawing therefrom.

    摘要翻译： 一种用于燃气涡轮发动机的压缩机，所述压缩机具有由周向连续的护罩环围绕的环形阵列，其具有通过所述叶片的延伸部枢转地接合的凹部，使得所述叶片的径向外端在正常操作中被支撑，例如。 抵抗振动，但是如果叶片在冲击载荷下弯曲，例如。 鸟罢工，外端可以通过其在凹部中枢转或甚至从其中撤出的自由而适应弯曲。

    Sealing of vaned assemblies
    9.
    发明授权
    Sealing of vaned assemblies 失效
    密封组件

    公开(公告)号：US3909155A

    公开(公告)日：1975-09-30

    申请号：US48140874

    申请日：1974-06-20

    申请人： ROLLS ROYCE 1971 LTD

    发明人： WHINFREY KENNETH GEORGE

    IPC分类号： F01D9/02 ,  F01D9/04 ,  F01D11/00 ,  F01D25/24

    CPC分类号： F01D9/042

    摘要： A nozzle guide vane assembly for a gas turbine engine includes one or more vanes, each provided with a radially inner and a radially outer shroud member. The assembly is adapted to be supported between radially inner and radially outer support members. One or more of the shroud members are provided with a chordally extending straight sealing edge adapted to sealingly contact one of the radially inner and outer support members.

    摘要翻译： 用于燃气涡轮发动机的喷嘴导叶组件包括一个或多个叶片，每个叶片设置有径向内部和径向外部护罩构件。 组件适于被支撑在径向内部和径向外部支撑构件之间。 一个或多个护罩构件设置有适于密封地接触径向内部和外部支撑构件之一的弦向延伸的直的密封边缘。