Patent application number | Description | Published |
20130101806 | METHOD FOR ADHERING A COATING TO A SUBSTRATE STRUCTURE - A method for adhering a coating to a substrate structure comprises selecting a substrate structure having an outer surface oriented substantially parallel to a direction of radial stress, modifying the outer surface to provide a textured region having steps to adhere a coating thereto, and applying a coating to extend over at least a portion of the textured region, wherein the steps are oriented substantially perpendicular to the direction of radial stress to resist deformation of the coating relative to the substrate structure. A rotating component comprises a substrate structure having an outer surface oriented substantially parallel to a direction of radial stress. The outer surface defines a textured region having steps to adhere a coating thereto, and a coating extends over at least a portion of the textured region. The steps are oriented substantially perpendicular to the direction of radial stress to resist creep. | 04-25-2013 |
20130140286 | SYSTEMS AND METHODS FOR INTERNAL CAVITY FORMATION USING LASER MANIPULATION - A laser machining system useful for machining internal cavities where visual monitoring is difficult or impossible may include a laser generator, a rod configured to extend from and retract towards the laser generator, an articulated mirror mounted on the rod and configured to reflect a laser beam generated by the laser generator, one or more sensors, and a controller that may receive data from the sensor and determine how and whether to manipulate, based on the data, the rod and the articulated mirror to direct the laser beam generated by the laser generator. | 06-06-2013 |
20130260130 | FIBER-REINFORCED BARRIER COATING, METHOD OF APPLYING BARRIER COATING TO COMPONENT AND TURBOMACHINERY COMPONENT - A method of applying a barrier coating to a component is provided. The method includes providing the component and preparing a slurry comprising a mixture. The mixture includes about 50-90 percent by volume fraction of a barrier coating composition, the barrier coating composition and 10-50 percent by volume fraction of a plurality of short fibers. The method includes applying at least one layer of the slurry to at least a portion of the component and curing the slurry on the portion of the component to obtain a fiber-reinforced barrier coating. | 10-03-2013 |
20130276459 | RESISTIVE BAND FOR TURBOMACHINE BLADE - A turbomachine system includes a rotor that defines a longitudinal axis of the turbomachine system. A first blade is coupled to the rotor, and the first blade has first and second laminated plies. A first band is coupled to the first blade and is configured to resist separation of the first and second laminated plies. | 10-24-2013 |
20130285296 | METHOD OF PRODUCING AN INTERNAL CAVITY IN A CERAMIC MATRIX COMPOSITE - A process for producing an internal cavity in a CMC article and mandrels used therewith. The process entails incorporating a mandrel made of a fusible material that is melted and drained during a thermal treatment of a CMC preform to form the CMC article. The mandrel material is preferably non-wetting and non-reactive with any constituents of the CMC preform during the thermal treatment. The mandrel is preferably tin or an alloy of tin. | 10-31-2013 |
20130323430 | METHOD OF COATING CORNER INTERFACE OF TURBINE SYSTEM - A method of coating a corner interface of a turbine system includes placing a mesh assembly proximate the corner interface. The method also includes depositing a coating onto and through the mesh assembly and into the corner interface, wherein the mesh assembly dampens a kinetic energy of the coating and secures the coating proximate the corner interface. | 12-05-2013 |
20140048978 | CONSUMABLE CORE FOR MANUFACTURE OF COMPOSITE ARTICLES AND RELATED METHOD - Systems, methods and devices adapted to ease manufacture of composite articles (e.g., ceramic composite articles), particularly composite articles which include a hollow feature are disclosed. In one embodiment, a system includes: a consumable core formed to be disposed within an inner portion of a composite precursor, the consumable core adapted to convert into an infiltrant during a manufacturing process and infiltrate the composite precursor. | 02-20-2014 |
20140072736 | METHOD OF PRODUCING AN INTERNAL CAVITY IN A CERAMIC MATRIX COMPOSITE AND MANDREL THEREFOR - A process for producing an internal cavity in a CMC article and mandrels used therewith. The process entails incorporating a mandrel made of a material that is substantially absorbed during thermal treatment of a preform to form the CMC article. The mandrel material is preferably reactive with one or more constituents of the CMC preform during the thermal treatment. The material is preferably silicon or a silicon alloy. | 03-13-2014 |
20140099484 | CERAMIC MATRIX COMPOSITE, METHOD OF MAKING A CERAMIC MATRIX COMPOSITE, AND A PRE-PREG COMPOSITE PLY - A composite, method of making the composite and a pre-pre composite ply are provided. The composite includes a first layer, a second layer and a third layer. The first layer includes at least one ply of unidirectional tape. The second layer is adjacent the first layer and includes at least one composite ply. The at least one composite ply includes a thin continuous matrix ply sheet having a plurality of randomly oriented unidirectional tape segments thereon. The third layer is adjacent the second layer and includes at least one ply of unidirectional tape. The ceramic matrix composite provides about 15% to about 20% strength relative to a composite comprising all unidirectional plies and the ceramic matrix composite has a bending length of 3 cm to 25 cm based on a Shirley stiffness test. | 04-10-2014 |
20140147276 | SYSTEM FOR DAMPING VIBRATIONS IN A TURBINE - A system for damping vibrations in a turbine includes a first rotating blade having a first ceramic airfoil, a first ceramic platform connected to the first ceramic airfoil, and a first root connected to the first ceramic platform. A second rotating blade adjacent to the first rotating blade includes a second ceramic airfoil, a second ceramic platform connected to the second ceramic airfoil, and a second root connected to the second ceramic platform. A non-metallic platform damper has a first position in simultaneous contact with the first and second ceramic platforms. | 05-29-2014 |
20140193577 | PRE-FORM CERAMIC MATRIX COMPOSITE CAVITY AND METHOD OF FORMING AND METHOD OF FORMING A CERAMIC MATRIX COMPOSITE COMPONENT - A pre-form CMC cavity and method of forming pre-form CMC cavity for a ceramic matrix component includes providing a mandrel, applying a base ply to the mandrel, laying-up at least one CMC ply on the base ply, removing the mandrel, and densifying the base ply and the at least one CMC ply. The remaining densified base ply and at least one CMC ply form a ceramic matrix component having a desired geometry and a cavity formed therein. Also provided is a method of forming a CMC component. | 07-10-2014 |
20140199174 | METHOD OF FORMING A CERAMIC MATRIX COMPOSITE COMPONENT, A CERAMIC MATRIX COMPOSITE COMPONENT AND A TIP MEMBER - A method of forming a ceramic matrix composite (CMC) component, a CMC component and a tip member are provided. The method of form the CMC component includes providing a component preform having a first end, a second end, and a cavity, the cavity having a pre-determined shape and a first engagement surface. The method includes forming a tip member from a pre-consolidated composite material, the tip member having a second engagement surface generally conforming to the first engagement surface. The method includes directing the second engagement surface to the first engagement surface. The method includes consolidating the component preform and tip member. The ceramic matrix composite component is formed having a desired geometry and the tip member stays in place in the cavity during operation of the ceramic matrix composite component. | 07-17-2014 |
20140352483 | REMOTE ALIGNMENT TOOL - A remote alignment system and a remote alignment tool for aligning a plurality of remotely operated tools are disclosed. In an embodiment, the alignment tool includes at least two sleeves. An exterior surface of each of the at least two sleeves is affixed to an exterior surface of an adjacent sleeve of the at least two sleeves. A tool retainer is disposed on an inner surface of each of the at least two sleeves for selectively retaining at least an axial position of a remote tool relative to the sleeve. | 12-04-2014 |