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公开(公告)号：US4227703A
公开(公告)日：1980-10-14
申请号：US963865
申请日：1978-11-27
CPC分类号： F01D5/20 , Y10S277/94 , Y10T428/12104
摘要： An improved gas seal between a stationary member and a movable member, one of which includes an abrasive tipped projection directed toward a surface of the other, for example a turbine engine blade and a cooperating shroud member, is provided through an improvement in the abrasive tip. Such improved tip of the projection is a composite of inner and outer tip portions, the inner portion comprising an alloy resistant to oxidation, sulfidation and thermal fatigue at operating temperatures and the outer tip portion comprising a matrix entrapping a plurality of abrasive particles which protrude from the matrix toward the surface of the other member. The inner tip portion is bonded with the metallic body of the projection and the outer tip portion is deposited on the inner tip portion.
摘要翻译： 固定构件和可移动构件之间的改进的气体密封件，其中之一包括朝向另一个的表面的磨料倾斜的突起，例如涡轮发动机叶片和配合的护罩构件，其通过改进的研磨尖端 。 该突起的这种改进的尖端是内部和外部尖端部分的复合材料，该内部部分包括在操作温度下耐氧化，硫化和热疲劳的合金，并且外部尖端部分包含截留多个从 矩阵朝向另一个构件的表面。 内端部与突起的金属体接合，外端部沉积在内端部上。
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公开(公告)号：US4148494A
公开(公告)日：1979-04-10
申请号：US862783
申请日：1977-12-21
CPC分类号： F01D11/02 , Y10S277/94 , Y10T428/12104
摘要： A rotary labyrinth gas seal between a rotating member and a stationary member, one of which includes at least one seal tooth projecting toward a surface of the other member is improved through the provision of an abrasive tip on the projecting tooth. Such abrasive tip comprises an electrodeposited metal matrix which entraps a plurality of abrasive particles protruding from the tip, the thickness of the matrix being less than the longest dimension of the abrasive particles protruding from the tip.
摘要翻译： 在旋转构件和固定构件之间的旋转迷宫式气体密封件中的一个，其中之一包括至少一个朝向另一构件的表面突出的密封齿，通过在突出齿上设置研磨尖端而提高。 这种研磨尖端包括电沉积的金属基质，该金属基质捕获从尖端突出的多个磨料颗粒，该基质的厚度小于从尖端突出的磨料颗粒的最长尺寸。
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公开(公告)号：US4608145A
公开(公告)日：1986-08-26
申请号：US633742
申请日：1984-07-23
申请人： Norman P. Fairbanks
发明人： Norman P. Fairbanks
CPC分类号： C25D15/00 , C25D5/022 , F01D11/122 , F16J15/445
摘要： A method for applying preselected abrasive particles to a cleaned first article surface adjacent a second article surface selected to be substantially free of such abrasive particles includes disposing on the first article surface a first electrically non-conductive tape segment including pores large enough to allow passage of electrodeposition current and electrolyte solution but smaller than the size of abrasive particles to be retained on the first tape segment. The first segment has a porous adhesive layer of relatively low tack level, the adhesive carrying the abrasive particles through a first, relatively weak bond. A second electrically non-conductive tape segment substantially impervious to electrolyte solution and electroplating current and having adhesive on a second segment operating surface is disposed on the second article surface in a manner at least sharing an edge portion with the first segment. A metallic coating is electrodeposited through pores of the first tape segment onto the first article surface and about the abrasive particles held in contact with such surface to bond the particles to the first article surface through a second bond. Such bond between the metallic coating and the abrasive particles is stronger than the first, relatively weak bond. The first tape segment is separated at the first bond from the abrasive particles which remain bonded to the first article surface.An improved electroplating tape is a multisegment electrically non-conductive tape comprising the first tape segment and at least one second tape segment at least sharing an edge portion with the first tape segment.
摘要翻译： 将预选的磨料颗粒施加到被选择为基本上不含这种磨料颗粒的第二制品表面附近的清洁的第一制品表面的方法包括在第一制品表面上设置第一非导电性带段，其包括足够大以允许 电沉积电流和电解质溶液，但小于要保留在第一磁带段上的磨料颗粒的尺寸。 第一段具有相对低粘性水平的多孔粘合剂层，该粘合剂通过第一相对较弱的粘合剂承载磨料颗粒。 基本上不透电解液和电镀电流并且在第二段操作表面上具有粘合剂的第二非导电带段以至少共享与第一段的边缘部分的方式设置在第二物品表面上。 将金属涂层通过第一带段的孔电沉积到第一制品表面上，并且围绕与这种表面保持接触的磨料颗粒通过第二粘合将颗粒结合到第一制品表面。 金属涂层和磨料颗粒之间的这种粘结比第一相对较弱的粘结强。 第一带段在第一接合处与保持结合到第一制品表面的磨料颗粒分离。 改进的电镀带是多层非导电性带，其包括第一带段和至少一个第二带段，至少与第一带段共享边缘部分。
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公开(公告)号：US4169726A
公开(公告)日：1979-10-02
申请号：US862782
申请日：1977-12-21
申请人： Norman P. Fairbanks
发明人： Norman P. Fairbanks
CPC分类号： C22C30/00 , Y10T428/12931 , Y10T428/12944
摘要： An improved Ni-Co-Cr base casting alloy is particularly useful as a directionally solidified article in the form of a gas turbine blade tip portion to provide resistance to the combination of oxidation, sulfidation and thermal fatigue at elevated temperatures. The alloy base is enhanced through the alloying additions of Ta, Al, W, C, Si and optionally La.
摘要翻译： 改进的Ni-Co-Cr基铸造合金特别可用作燃气轮机叶片尖端部分形式的定向凝固制品，以在高温下提供对氧化，硫化和热疲劳的组合的抵抗性。 通过合金添加Ta，Al，W，C，Si和任选的La来增强合金基体。
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公开(公告)号：US4169020A
公开(公告)日：1979-09-25
申请号：US863017
申请日：1977-12-21
CPC分类号： F01D5/20 , Y02T50/673
摘要： An improved gas seal between a stationary member and a movable member, one of which includes an abrasive tipped projection directed toward a surface of the other, for example a turbine engine blade and a cooperating shroud member, is provided through an improvement in the abrasive tip. Such improved tip of the projection is a composite of inner and outer tip portions, the inner portion comprising an alloy resistant to oxidation, sulfidation and thermal fatigue at operating temperatures and the outer tip portion comprising a matrix entrapping a plurality of abrasive particles which protrude from the matrix toward the surface of the other member. The inner tip portion is bonded with the metallic body of the projection and the outer tip portion is deposited on the inner tip portion.
摘要翻译： 固定构件和可移动构件之间的改进的气体密封件，其中之一包括朝向另一个的表面的磨料倾斜的突起，例如涡轮发动机叶片和配合的护罩构件，其通过改进的研磨尖端 。 该突起的这种改进的尖端是内部和外部尖端部分的复合材料，该内部部分包括在操作温度下耐氧化，硫化和热疲劳的合金，并且外部尖端部分包含截留多个从 矩阵朝向另一个构件的表面。 内端部与突起的金属体接合，外端部沉积在内端部上。
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公开(公告)号：US4232995A
公开(公告)日：1980-11-11
申请号：US963864
申请日：1978-11-27
CPC分类号： F01D5/20
摘要： An improved gas seal between a stationary member and a movable member, one of which includes an abrasive tipped projection directed toward a surface of the other, for example a turbine engine blade and a cooperating shroud member, is provided through an improvement in the abrasive tip. Such improved tip of the projection is a composite of inner and outer tip portions, the inner portion comprising an alloy resistant to oxidation, sulfidation and thermal fatigue at operating temperatures and the outer tip portion comprising a matrix entrapping a plurality of abrasive particles which protrude from the matrix toward the surface of the other member. The inner tip portion is bonded with the metallic body of the projection and the outer tip portion is deposited on the inner tip portion.
摘要翻译： 固定构件和可移动构件之间的改进的气体密封件，其中之一包括朝向另一个的表面的磨料倾斜的突起，例如涡轮发动机叶片和配合的护罩构件，其通过改进的研磨尖端 。 该突起的这种改进的尖端是内部和外部尖端部分的复合材料，该内部部分包括在操作温度下耐氧化，硫化和热疲劳的合金，并且外部尖端部分包含截留多个从 矩阵朝向另一个构件的表面。 内端部与突起的金属体接合，外端部沉积在内端部上。
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