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公开(公告)号：US5606796A
公开(公告)日：1997-03-04
申请号：US335794
申请日：1995-02-08
Applicant: Michael J. Fraser
Inventor： Michael J. Fraser
CPC classification number: B23P6/002 , B23K9/04 , B23K9/095 , F05B2220/30 , F05B2230/40 , F05B2230/90 , Y10T29/49318 , Y10T29/49336
Abstract: A method of repairing a turbine blade which includes performing a heating operation on the blade in which the blade is heated to achieve a predetermined temperature distribution, sensing the temperature of the blade at least at one position by temperature sensing means and controlling the application of heat in accordance with the temperature determined by said at least one sensing means and monitoring the temperature of the blade at a location adjacent said at least one position with a monitoring means.
Abstract translation: PCT No.PCT / GB93 / 00967 Sec。 371日期1995年2月8日 102（e）日期1995年2月8日PCT提交1993年5月11日PCT公布。 公开号WO93 / 23198 日期：1993年11月25日一种修理涡轮叶片的方法，包括对叶片进行加热操作，其中叶片被加热以实现预定的温度分布，至少在一个位置通过温度感测装置感测叶片的温度， 根据由所述至少一个感测装置确定的温度来控制热量的施加，并用监控装置在与所述至少一个位置相邻的位置处监测叶片的温度。
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公开(公告)号：US5033938A
公开(公告)日：1991-07-23
申请号：US488607
申请日：1990-03-02
Applicant: Michael J. Fraser , Raymond D. Legros
Inventor： Michael J. Fraser , Raymond D. Legros
CPC classification number: B23P6/005 , B23P15/04 , F01D5/005 , Y10T29/49318 , Y10T29/49336 , Y10T29/49728 , Y10T29/49737
Abstract: A method of manufacturing or repairing a turbine blade which includes removing a part of a blade such as a damaged part and securing thereto an insert of hard steel which has been hardened prior to securing to the turbine blade and is then welded to the turbine blade temporarily and heat treatment processes may be carried out and it is desired that the insert is hardened to a hardness greater than that eventually required since such hardness may be reduced during the securing of the insert to the turbine blade.
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公开(公告)号：US4613744A
公开(公告)日：1986-09-23
申请号：US635604
申请日：1984-07-30
Applicant: Michael J. Fraser
Inventor： Michael J. Fraser
CPC classification number: B23P6/002 , B23K37/02 , C21D9/50 , B23K2201/001
Abstract: A method of repair of an article incorporating the application of considerable thermal energy, e.g. a welding operation, requires heating of the article both in the repair area and surrounds wherein the heating of the repair area and surrounds is carried out by flexible heating mats and wherein fixing means are used to securely fix the heating mats to the article, which fixing means may readily release at least a part of the heating mats whereby that part may be folded back or otherwise removed from the repair area to allow the repair step to be carried out. After repair, that part of the heating mats removed from the repair area may be replaced.
Abstract translation: 包括施加相当大的热能的制品的修复方法，例如， 焊接操作需要在修理区域和周围加热制品，其中修补区域和周围的加热通过柔性加热垫进行，并且其中使用固定装置将加热垫牢固地固定在制品上，固定 装置可以容易地释放加热垫的至少一部分，由此该部分可以被折叠或以其他方式从修复区域移除以允许执行修复步骤。 修理后，可以更换从维修区域中取出的部分加热垫。
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公开(公告)号：US5168608A
公开(公告)日：1992-12-08
申请号：US727979
申请日：1991-07-10
Applicant: Michael J. Fraser , Philip C. Franklan
Inventor： Michael J. Fraser , Philip C. Franklan
CPC classification number: B23P6/002 , B23B41/00 , B23Q3/062 , Y10T29/5107 , Y10T408/56253 , Y10T409/307056 , Y10T409/308456 , Y10T409/30868
Abstract: A method of and apparatus for forming a through bore or recess in a turbine blade, for a lacing wire hole for example, includes a machine capable of approaching the area to be machined in a first direction during which an initial machining operation may take place and them moving in a second direction completing the machining operation. Support means are provided to ensure the blade is held firmly. The method and apparatus permit of accurate machining of blades when they are in an array of blades still secured to the rotor.
Abstract translation: 用于在涡轮机叶片中形成通孔或凹部的方法和装置，例如用于系带线孔，包括能够在其中可能发生初始加工操作的第一方向上接近待加工区域的机器，以及 它们在完成加工操作的第二方向上移动。 提供支撑装置以确保刀片牢固地固定。 当叶片处于仍然固定到转子上的叶片阵列中时，该方法和设备允许刀片的精确加工。
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公开(公告)号：US5149073A
公开(公告)日：1992-09-22
申请号：US539996
申请日：1990-06-18
Applicant: Michael J. Fraser
Inventor： Michael J. Fraser
CPC classification number: B23P6/002 , B23Q1/52 , B24B19/16 , B24B41/06 , B25H1/0007 , F01D25/285 , Y10S269/909
Abstract: Apparatus for use in repairing turbine rotors comprises a stand which supports a turbine rotor at positions spaced along its axis, the stand further comprising work stations adapted to provide a work surface extending alongside a blade positioned in an array of blades on the rotor and stop means prevents movement of the rotor relative to the work station so that work operations can be carried out on a blade. The rotor may then be rotated about its axis until an adjacent blade is brought into proximity with the work station whereafter that blade may too be repaired and so on until all blades have had necessary repairs carried out thereto. The work surfaces may be adapted to receive machine tools and other apparatus for the repair of the blades. A plurality of work stations may be provided enabling the simultaneous repair of a plurality of blades on the rotor thereby considerably decreasing the time necessary to carry out full repair to the rotor.
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Patent Agency Ranking
公开(公告)号：US5081765A
公开(公告)日：1992-01-21
申请号：US633996
申请日：1990-12-26
Applicant: Michael J. Fraser , Philip C. Franklan
Inventor： Michael J. Fraser , Philip C. Franklan
CPC classification number: B23Q3/063 , B23B41/00 , B23P6/002 , Y10T29/49318 , Y10T408/03 , Y10T409/303808
Abstract: A method of and apparatus for forming a through bore or recess in a turbine blade, for a lacing wire hole for example, includes a machine capable of approaching the area to be machined in a first direction during which an initial machining operation may take place and them moving in a second direction completing the machining operation. Support means are provided to ensure the blade is held firmly. The method and apparatus permit of accurate machining of blades when they are in an array of blades still secured to the rotor.
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公开(公告)号：US5062205A
公开(公告)日：1991-11-05
申请号：US467864
申请日：1990-01-22
Applicant: Michael J. Fraser
Inventor： Michael J. Fraser
CPC classification number: B23P15/04 , F01D5/005 , F01D5/286 , Y10T29/49318 , Y10T29/49336
Abstract: A method of manufacturing or repairing a turbine blade includes inserting an insert into the leading edge portion of the blade situate particularly adjacent the radially outer end of the turbine blade. The insert is made of a material different from the parent material of the blade and having a higehr carbon content to enable a piece of material to be satisfactorily hardened by heat treatment, the heat treatment being such that the portion of the insert adjoining the blade is not significantly hardened thereby minimizing or eliminating the likelihood of the formation of cracks in the insert during use of the turbine to which the blade is secured.
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公开(公告)号：US4951390A
公开(公告)日：1990-08-28
申请号：US407818
申请日：1989-09-15
Applicant: Michael J. Fraser , Raymond D. Legross
Inventor： Michael J. Fraser , Raymond D. Legross
CPC classification number: B23P6/002 , B23K37/0443 , F01D5/005 , Y10T29/49318 , Y10T29/49336 , Y10T29/4975
Abstract: A method of and apparatus for repairing turbine blades wherein the repair requires the input of considerable thermal energy during a welding or brazing operation for example. The method involves the step of pre-distorting the blade prior to the welding or brazing operation so that the distortion that is expected to occur during welding or brazing leaves the blade after repair in its proper position. A clamp means may be provided to prevent parts of an individual blade from being predistorted so as to localize the predistortion in the required area. A tool for predistorting the blade ensures that a physical force may be applied to a local area of the blade.
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公开(公告)号：US4866828A
公开(公告)日：1989-09-19
申请号：US618318
申请日：1984-06-08
Applicant: Michael J. Fraser
Inventor： Michael J. Fraser
CPC classification number: B23P6/002 , B23P15/02 , F01D5/005 , Y10T29/49318 , Y10T29/49746 , Y10T29/4975
Abstract: A method of repairing a turbine blade of the type having one or more lacing wire holes comprising the steps of welding additional metal to the blade, subjecting the blade to a stress relieving heat treatment process before which the or each lacing wire hole is effectively eliminated by filling the hole or holes with material the same as or at least compatible with the material from which the blade is made. The turbine blade may be subjected to the application of mechanical forces to restore its form and machining to restore its shape can be gauged to ensure both its form and shape is correct.
Abstract translation: 一种修复具有一个或多个系带线孔的类型的涡轮叶片的方法，包括以下步骤：将额外的金属焊接到叶片上，对叶片进行应力消除热处理工艺，在该处理过程之前，通过 用与制造刀片的材料相同或至少相容的材料填充孔或孔。 涡轮机叶片可能受到机械力的应用以恢复其形状并加工以恢复其形状，其可以被测量以确保其形状和形状都是正确的。
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公开(公告)号：US4611744A
公开(公告)日：1986-09-16
申请号：US505775
申请日：1983-06-20
Applicant: Michael J. Fraser , Raymond D. Legros
Inventor： Michael J. Fraser , Raymond D. Legros
CPC classification number: B23P6/007 , B23P6/045 , C21D9/50 , F01D5/005 , Y10T29/49318 , Y10T29/49746
Abstract: A method of repairing turbine blades including a repair step which involves the application of substantial thermal energy to the blade such as a welding or brazing operation includes a pre-heating step in which the blade is heated to a predetermined temperature in a controlled manner. The controlled heating may be continued both during the repair step involving the application of substantial thermal energy and after the repair step in order to minimize stress in the blade due to the application of considerable thermal energy to the blade.
Abstract translation: 一种维修涡轮叶片的方法，其包括将诸如焊接或钎焊操作之类的大量热能施加到刀片上的修复步骤包括预热步骤，其中刀片以受控的方式被加热到预定温度。 在涉及施加大量热能的修理步骤期间以及修复步骤之后，可以继续控制加热，以便由于将相当大的热能应用于叶片而最小化叶片中的应力。
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