Aircraft accessory drive multiple speed transmission
    1.
    发明授权
    Aircraft accessory drive multiple speed transmission 有权
    飞机配件驱动多速传动

    公开(公告)号:US08876650B2

    公开(公告)日:2014-11-04

    申请号:US13436331

    申请日:2012-03-30

    摘要: A transmission assembly is provided and includes a load, an input shaft rotatably driven by a low pressure section of a turbomachine and a transmission coupled to the load and the input shaft. The transmission is operable to transmit rotation of the input shaft to the load and configured to convert a first rotational speed range of the input shaft to a second rotational speed range for transmission to the load. The second rotational speed range is narrower than the first rotational speed range.

    摘要翻译: 提供变速器组件,并且包括负载,由涡轮机的低压部分可旋转地驱动的输入轴和耦合到负载和输入轴的变速器。 变速器可操作地将输入轴的旋转传递到负载并且被配置为将输入轴的第一转速范围转换到第二转速范围以传输到负载。 第二转速范围比第一转速范围窄。

    METHOD FOR MODIFYING GAS TURBINE PERFORMANCE
    2.
    发明申请
    METHOD FOR MODIFYING GAS TURBINE PERFORMANCE 有权
    改进气体涡轮机性能的方法

    公开(公告)号:US20140020395A1

    公开(公告)日:2014-01-23

    申请号:US13555434

    申请日:2012-07-23

    IPC分类号: F02C9/16

    摘要: A method for enhancing one or more performance parameters of a gas turbine having at least one row of clocked airfoils may generally include choosing a first, a second and a third row of airfoils where the third row is clocked relative to the first row. An unsteady computational fluid dynamics model may be used to determine at least one wake parameter of a working fluid flowing from the second row of the airfoils to the third row of the airfoils. At least one design parameter of the airfoils of the second row may be modified, and the unsteady computational fluid dynamics model may then be used to determine the effect of the airfoil design parameter modification on the at least one wake parameter. The effect on the wake parameter may be compared to a predetermined target range.

    摘要翻译: 一种用于增强具有至少一排时钟翼型的燃气轮机的一个或多个性能参数的方法通常可以包括选择第一排,第二排和第三排翼型件,其中第三排相对于第一排计时。 可以使用不稳定的计算流体动力学模型来确定从翼型的第二排流到翼型的第三排的工作流体的至少一个尾流参数。 可以修改第二排的翼型件的至少一个设计参数,然后可以使用不稳定的计算流体动力学模型来确定翼型设计参数修改对至少一个尾流参数的影响。 可以将对唤醒参数的影响与预定目标范围进行比较。

    AIRCRAFT ACCESSORY DRIVE MULTIPLE SPEED TRANSMISSION
    3.
    发明申请
    AIRCRAFT ACCESSORY DRIVE MULTIPLE SPEED TRANSMISSION 有权
    飞机附件驱动多速变速器

    公开(公告)号:US20130260950A1

    公开(公告)日:2013-10-03

    申请号:US13436331

    申请日:2012-03-30

    IPC分类号: F16H1/28 F16H1/00

    摘要: A transmission assembly is provided and includes a load, an input shaft rotatably driven by a low pressure section of a turbomachine and a transmission coupled to the load and the input shaft. The transmission is operable to transmit rotation of the input shaft to the load and configured to convert a first rotational speed range of the input shaft to a second rotational speed range for transmission to the load. The second rotational speed range is narrower than the first rotational speed range.

    摘要翻译: 提供变速器组件,并且包括负载,由涡轮机的低压部分可旋转地驱动的输入轴和联接到负载和输入轴的变速器。 变速器可操作地将输入轴的旋转传递到负载并且被配置为将输入轴的第一转速范围转换到第二转速范围以传输到负载。 第二转速范围比第一转速范围窄。

    VANE ASSEMBLY FOR AN AXIAL FLOW TURBINE
    4.
    发明申请
    VANE ASSEMBLY FOR AN AXIAL FLOW TURBINE 有权
    轴流式涡轮机组件

    公开(公告)号:US20130195641A1

    公开(公告)日:2013-08-01

    申请号:US13809037

    申请日:2011-07-13

    申请人: Thomas Povey

    发明人: Thomas Povey

    IPC分类号: F01D9/02

    摘要: A vane assembly (21) for an axial flow turbine engine provides a plurality of nozzles (22) arranged symmetrically around a turbine axis formed by an inner hub (26), an outer casing (27) and vanes (23) intermediate pairs of adjacent nozzles. The nozzles have a cross-section normal to the turbine axis that changes smoothly with the position of the cross-section along the turbine axis from a first shape having a minimum radius of curvature of a first value that is no less than a limit L, providing the cross-section with no highly curved corners, to a second shape having a minimum radius of curvature of a second value less than the first value, providing corners. This allows the secondary flow structure to be designed to improve aerodynamic loss and cooling performance.

    摘要翻译: 用于轴流涡轮发动机的叶片组件(21)提供了多个喷嘴(22),其围绕涡轮机轴线对称地布置,所述涡轮机轴线由内轮毂(26),外壳(27)和叶片(23)形成,中间对相邻 喷嘴。 喷嘴具有垂直于涡轮机轴线的横截面,其具有沿着涡轮轴线的横截面的位置从具有不小于限制L的第一值的最小曲率半径的第一形状平滑地改变, 将没有高度弯曲的角部的横截面提供到具有小于第一值的第二值的最小曲率半径的第二形状,从而提供拐角。 这允许二次流结构被设计成改善空气动力学损失和冷却性能。

    OPTIMIZED AERODYNAMIC PROFILE FOR A TURBINE VANE, IN PARTICULAR FOR A NOZZLE OF THE FOURTH STAGE OF A TURBINE
    5.
    发明申请
    OPTIMIZED AERODYNAMIC PROFILE FOR A TURBINE VANE, IN PARTICULAR FOR A NOZZLE OF THE FOURTH STAGE OF A TURBINE 有权
    特别是用于涡轮机第四阶段的喷嘴的涡轮风机的优化航空配置文件

    公开(公告)号:US20120020806A1

    公开(公告)日:2012-01-26

    申请号:US13171561

    申请日:2011-06-29

    IPC分类号: F01D5/14

    摘要: When cold and in the non-coated state, the aerodynamic profile is substantially identical to a nominal profile determined by the Cartesian coordinates X,Y,Z′ given in Table 1, in which the coordinate Z′ is the quotient D/H where D is the distance of the point under consideration from a first reference plane PO situated at the base of the nominal profile, and H is the height of said profile measured from the first reference plane to a second reference plane P1. The measurements D and H are taken radially relative to the axis of the turbine, while the X coordinate is measured in the axial direction of the turbine.

    摘要翻译: 当冷和处于非涂覆状态时,空气动力学特性与由表1中给出的笛卡尔坐标X,Y,Z'确定的标称轮廓基本相同,其中坐标Z'是商D / H,其中D 是从位于标称轮廓的底部的第一参考平面PO所考虑的点的距离,H是从第一参考平面测量到第二参考平面P1的所述剖面的高度。 测量D和H相对于涡轮机的轴线径向地获得,而X坐标是在涡轮的轴向方向上测量的。

    Third stage turbine airfoil
    6.
    发明授权
    Third stage turbine airfoil 有权
    第三级涡轮机翼型

    公开(公告)号:US07632072B2

    公开(公告)日:2009-12-15

    申请号:US11641285

    申请日:2006-12-19

    申请人: Mark Sheffield

    发明人: Mark Sheffield

    IPC分类号: F01D5/18

    摘要: The present invention provides an airfoil for a third stage blade having an external surface with first and second sides. The external surface extends spanwise between a hub and a tip and streamwise between a leading edge and a trailing edge of the airfoil. The external surface includes a contour substantially defined by Table 1 as listed in the specification.

    摘要翻译: 本发明提供一种具有第一和第二侧面的外表面的第三级叶片的翼型件。 外表面在毂和尖端之间的翼展方向延伸,并且在翼型的前缘和后缘之间流动地延伸。 外表面包括基本上由说明书中列出的表1所定义的轮廓。

    Second stage turbine airfoil
    7.
    发明授权
    Second stage turbine airfoil 有权
    第二级涡轮机翼型

    公开(公告)号:US07625184B2

    公开(公告)日:2009-12-01

    申请号:US11643090

    申请日:2006-12-21

    IPC分类号: F01D5/14

    摘要: The present invention provides an airfoil for a second stage turbine blade having an external surface with first and second sides. The external surface extends spanwise between a hub and a tip and streamwise between a leading edge and a trailing edge of the airfoil. The external surface includes a contour substantially defined by Table 1 as listed in the specification.

    摘要翻译: 本发明提供一种用于第二级涡轮机叶片的翼型件,其具有带有第一和第二侧面的外表面。 外表面在毂和尖端之间的翼展方向延伸,并且在翼型的前缘和后缘之间流动地延伸。 外表面包括基本上由说明书中列出的表1所定义的轮廓。

    Second stage turbine airfoil
    8.
    发明申请
    Second stage turbine airfoil 有权
    第二级涡轮机翼型

    公开(公告)号:US20070183896A1

    公开(公告)日:2007-08-09

    申请号:US11643090

    申请日:2006-12-21

    IPC分类号: B64C27/46

    摘要: The present invention provides an airfoil for a second stage turbine blade having an external surface with first and second sides. The external surface extends spanwise between a hub and a tip and streamwise between a leading edge and a trailing edge of the airfoil. The external surface includes a contour substantially defined by Table 1 as listed in the specification.

    摘要翻译: 本发明提供一种用于第二级涡轮机叶片的翼型件,其具有带有第一和第二侧面的外表面。 外表面在毂和尖端之间的翼展方向延伸,并且在翼型的前缘和后缘之间流动地延伸。 外表面包括基本上由说明书中列出的表1所定义的轮廓。

    Third stage turbine airfoil
    9.
    发明申请
    Third stage turbine airfoil 有权
    第三级涡轮机翼型

    公开(公告)号:US20070183895A1

    公开(公告)日:2007-08-09

    申请号:US11641285

    申请日:2006-12-19

    申请人: Mark Sheffield

    发明人: Mark Sheffield

    IPC分类号: B64C27/46

    摘要: The present invention provides an airfoil for a third stage blade having an external surface with first and second sides. The external surface extends spanwise between a hub and a tip and streamwise between a leading edge and a trailing edge of the airfoil. The external surface includes a contour substantially defined by Table 1 as listed in the specification.

    摘要翻译: 本发明提供一种具有第一和第二侧面的外表面的第三级叶片的翼型件。 外表面在毂和尖端之间的翼展方向延伸,并且在翼型的前缘和后缘之间流动地延伸。 外表面包括基本上由说明书中列出的表1所定义的轮廓。

    Arrangement for bearing relief in a gas turbine
    10.
    发明申请
    Arrangement for bearing relief in a gas turbine 有权
    燃气轮机轴承浮力的布置

    公开(公告)号:US20050129507A1

    公开(公告)日:2005-06-16

    申请号:US11008146

    申请日:2004-12-10

    IPC分类号: F01D3/00 F01D3/04 F01D5/08

    摘要: In a gas turbine, the compressor load is reduced and the turbine load is increased for controlled bearing load reduction by forming a low-pressure chamber (8) that is shielded from the compressor air at the compressor (1) and a high-pressure chamber (9) that is supplied with compressor air at the turbine along the high-pressure shaft (2). The pressures can be controlled within specific limits. Controlled bearing load reduction allows high speeds and a long service life of the bearings.

    摘要翻译: 在燃气轮机中,通过形成与压缩机1的压缩机空气相隔离的低压室(8)和高压室(8),压缩机负荷减小,涡轮机负载增加,从而控制轴承负荷的降低 (9),其沿着高压轴(2)在涡轮机处供应压缩机空气。 压力可以在特定的限度内控制。 受控的轴承负载减少允许轴承的高速度和长使用寿命。