Turbine blade with a cover plate and a protective layer applied to the cover plate
    33.
    发明授权
    Turbine blade with a cover plate and a protective layer applied to the cover plate 有权
    具有盖板和保护层的涡轮叶片施加到盖板上

    公开(公告)号:US08021120B2

    公开(公告)日:2011-09-20

    申请号:US11918809

    申请日:2006-01-20

    Abstract: The invention relates to a turbine blade with a cover plate shaped onto the pan of the blade. The aim of the invention is to provide a turbine blade of this type that, while having a high level of efficiency, is designed for a particularly reliable and safe operation in a turbine, particularly of a steam turbine. To this end, the invention provides that a protective layer made on an alternative material is applied to the surface of the cover plate facing away from the pan of the blade. The friction behavior with regard to a turbine component, particularly a sealing strip, which is opposite the protective layer, can be specifically influenced whereby enabling favorable emergency running properties to be provided in the event of rubbing.

    Abstract translation: 本发明涉及具有形成在叶片的盘上的盖板的涡轮叶片。 本发明的目的是提供一种具有高水平效率的这种类型的涡轮叶片,其被设计用于在涡轮机,特别是蒸汽涡轮机中的特别可靠和安全的操作。 为此,本发明提供了将替代材料制成的保护层施加到盖板的远离叶片盘的表面。 对于与保护层相对的涡轮机部件,特别是密封条,可以具体地影响摩擦性能,从而在摩擦的情况下提供有利的紧急行驶性能。

    WELD REPAIR PROCESS AND ARTICLE REPAIRED THEREBY
    34.
    发明申请
    WELD REPAIR PROCESS AND ARTICLE REPAIRED THEREBY 审中-公开
    焊接维修工艺及其修理

    公开(公告)号:US20100059572A1

    公开(公告)日:2010-03-11

    申请号:US12206886

    申请日:2008-09-09

    Abstract: A method for repairing a steel alloy article, and an article repaired thereby, is provided and comprises the steps of depositing at least a first weld repair layer on a surface of the article so as to form a heat affected zone in the article beneath the surface. Locally heat treating the first weld repair layer and at least a portion of the heat affected zone adjacent the first weld repair layer at a temperature above the critical A1 temperature of the steel alloy article. Depositing at least one additional weld repair layer on the first weld repair layer without forming additional heat affected zone in the surface of the article. The first weld repair layer and the at least one additional weld repair layer are comprised of a material chosen from the group consisting of nickel chromium—iron alloys, cobalt base alloys, ERNiCr-3, ENiCrFe-3, ERNiCrMo-3, ERNiFeCr-2, ERCoCr-A, ERCoCr-E, CrMo alloys and CrMoV alloys. The article can be placed in service without a post-weld heat treatment of the additional weld repair layer following the step of depositing the additional weld repair layer.

    Abstract translation: 提供了修复钢合金制品的方法和由此修补的制品,并且包括以下步骤:在制品的表面上沉积至少第一焊接修复层,以便在制品下面形成热影响区 。 在高于钢合金制品的临界Al温度的温度下,局部热处理第一焊接修复层和与第一焊接修复层相邻的热影响区的至少一部分。 在第一焊接修复层上沉积至少一个附加的焊接修复层,而不在制品的表面中形成额外的热影响区。 第一焊接修复层和至少一个另外的焊接修复层由选自镍铬铁合金,钴基合金,ERNiCr-3,ENiCrFe-3,ERNiCrMo-3,ERNiFeCr-2的材料组成 ,ERCoCr-A,ERCoCr-E,CrMo合金和CrMoV合金。 在附加的焊接修复层的沉积步骤之后,可以在不进行附加焊接修复层的焊后热处理的情况下使用该制品。

    Reaction control turbine blade
    35.
    发明授权
    Reaction control turbine blade 有权
    反应控制涡轮叶片

    公开(公告)号:US07514157B2

    公开(公告)日:2009-04-07

    申请号:US10558648

    申请日:2004-02-25

    Abstract: A reaction control turbine blade is formed by applying a reaction control material to the surface of an Ni-base superalloy before applying aluminum diffusion coating to the Ni-base superalloy. The reaction control material is Co, Cr or Ru, or an alloy of which main component is selected from a group consisting of Co, Cr, Ru. Thereby, it is possible to enhance the oxidation resistance of the Ni-base superalloy, and to control formation of a secondary reaction zone.

    Abstract translation: 在向Ni基超级合金施加铝扩散涂层之前,通过将反应控制材料施加到Ni基超级合金的表面上来形成反应控制涡轮叶片。 反应控制材料是Co,Cr或Ru,或者主要成分选自Co,Cr,Ru的合金。 由此,可以提高Ni基超合金的抗氧化性,并且可以控制二次反应区的形成。

    High temperature and high pressure compressor piston ring
    36.
    发明授权
    High temperature and high pressure compressor piston ring 有权
    高温高压压缩机活塞环

    公开(公告)号:US07510195B2

    公开(公告)日:2009-03-31

    申请号:US10719223

    申请日:2003-11-21

    Abstract: A piston ring for use at temperatures above 350° F. at pressures greater than or equal to about 2000 psi, comprising a gap having a gap width about 1.4 to about 2.0 times greater than a thickness of the piston ring; a height about 4.5 to about 6.4 times larger than the thickness, and a leading edge characterized by an arc having a radius of curvature of less than or equal to about 4 times the height. The piston ring may be formed of a material comprising cobalt, chromium, tungsten, and carbon. A gas compressor and method of sealing a piston using the above piston ring is also provided for.

    Abstract translation: 一种在大于或等于约2000psi的压力下在高于350°F的温度下使用的活塞环,包括间隙宽度比活塞环厚度大约1.4至大约2.0倍的间隙; 高度比该厚度大约4.5至大约6.4倍的高度,以及具有小于或等于大约4倍的曲率半径的弧形的前缘。 活塞环可以由包括钴,铬,钨和碳的材料形成。 还提供了一种气体压缩机和使用上述活塞环密封活塞的方法。

    Leading edge erosion protection for composite stator vanes
    38.
    发明授权
    Leading edge erosion protection for composite stator vanes 失效
    复合定子叶片的前沿侵蚀保护

    公开(公告)号:US07435056B2

    公开(公告)日:2008-10-14

    申请号:US11413755

    申请日:2006-04-28

    Abstract: The present invention provides a turbofan engine including leading edge erosion protection for composite stator vanes contained therein. The composite stator vanes are defined by a leading edge, a trailing edge, a concave surface and a convex surface. The vanes are generally formed of a graphite fiber and an aramid fiber braided preform that is laminated with an epoxy matrix resin or other high temperature matrix resin. A wire mesh screen is embedded during a molding process into an outermost surface of the leading edge of the epoxy matrix resin. A tapering erosion protection layer comprised of an erosion protective material is applied to the wire mesh screen at the leading edge of the composite stator vane an aids in protecting the leading edge of the stator vane from debris and contaminants, including operational fluids, dust, and sand that may be carried in an air stream passing therethrough the turbofan engine, as well as an erosive operational environment.

    Abstract translation: 本发明提供一种涡轮风扇发动机,其包括其中包含的复合定子叶片的前缘侵蚀保护。 复合定子叶片由前缘,后缘,凹面和凸面限定。 叶片通常由石墨纤维和芳族聚酰胺纤维编织预制件形成,其与环氧树脂基质树脂或其它高温基质树脂层压。 在模制过程中将金属丝网屏蔽嵌入到环氧树脂基质树脂前缘的最外表面中。 由复合定子叶片的前缘将一个由侵蚀保护材料组成的锥形侵蚀保护层施加到丝网筛上,有助于保护定子叶片的前缘免受碎片和污染物的影响,包括操作流体,灰尘和 可能在通过涡轮风扇发动机的空气流中携带的沙子以及腐蚀性的操作环境。

    Leading edge erosion protection for composite stator vanes
    40.
    发明申请
    Leading edge erosion protection for composite stator vanes 失效
    复合定子叶片的前沿侵蚀保护

    公开(公告)号:US20070201984A1

    公开(公告)日:2007-08-30

    申请号:US11413755

    申请日:2006-04-28

    Inventor: Laurence Liston

    Abstract: The present invention provides a turbofan engine including leading edge erosion protection for composite stator vanes contained therein. The composite stator vanes are defined by a leading edge, a trailing edge, a concave surface and a convex surface. The vanes are generally formed of a graphite fiber and an aramid fiber braided preform that is laminated with an epoxy matrix resin or other high temperature matrix resin. A wire mesh screen is embedded during a molding process into an outermost surface of the leading edge of the epoxy matrix resin. A tapering erosion protection layer comprised of an erosion protective material is applied to the wire mesh screen at the leading edge of the composite stator vane an aids in protecting the leading edge of the stator vane from debris and contaminants, including operational fluids, dust, and sand that may be carried in an air stream passing therethrough the turbofan engine, as well as an erosive operational environment.

    Abstract translation: 本发明提供一种涡轮风扇发动机,其包括其中包含的复合定子叶片的前缘侵蚀保护。 复合定子叶片由前缘,后缘,凹面和凸面限定。 叶片通常由石墨纤维和芳族聚酰胺纤维编织预制件形成,其与环氧树脂基质树脂或其它高温基质树脂层压。 在模制过程中将金属丝网屏蔽嵌入到环氧树脂基质树脂前缘的最外表面中。 由复合定子叶片的前缘将一个由侵蚀保护材料组成的锥形侵蚀保护层施加到丝网筛上,有助于保护定子叶片的前缘免受碎片和污染物的影响,包括操作流体,灰尘和 可能在通过涡轮风扇发动机的空气流中携带的沙子以及腐蚀性的操作环境。

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