Patent application number | Description | Published |
20080247896 | Fluoropolymer-containing films for use with positive-displacement fluid pumps - A positive-displacement pump comprising a housing, a rotatable component disposed at least partially within the housing, and a film disposed at least partially between the housing and the rotatable component, where the film comprises a reinforcing material and a fluoropolymer material. | 10-09-2008 |
20090178736 | ARTICLE HAVING COBALT-PHOSPHOROUS COATING AND METHOD FOR HEAT TREATING - A method of processing an article having a substrate and a cobalt-phosphorous coating disposed on the substrate includes heat treating the article. At least one physical characteristic of the cobalt-phosphorous coating is altered using the heat treating to thereby change a performance characteristic of the article. For example, the article may be an actuator component having a bore or a shaft that is movably disposed at least partially within the bore. | 07-16-2009 |
20100014964 | ELECTRO-FORMED SHEATH FOR USE ON AIRFOIL COMPONENTS - An article for protecting an airfoil component includes a sheath having an outer side and an inner side that forms a cavity for receiving a leading edge of the airfoil component. The sheath is made of cobalt and phosphorous to protect the leading edge of the airfoil component from erosion. | 01-21-2010 |
20100028713 | METHOD AND ARTICLE FOR IMPROVED ADHESION OF FATIGUE-PRONE COMPONENTS - A method of processing an article includes mechanically working an article having a metallic layer disposed on a titanium substrate and establishing a residual stress region that extends through the metallic layer and at least partially into the titanium substrate. | 02-04-2010 |
20100147694 | METHOD AND APPARATUS FOR EVALUATION OF COATED PARTS - A method of verifying performance of a coated part includes calculating a deflection value as a function of a predetermined strain threshold value and a total thickness of a test coupon that comprises a coating on a substrate. The coating of the test coupon is co-deposited in a deposition process for producing a coated part. The test coupon is bent in an amount equal to the calculated deflection value and then evaluated as an indication of whether a mechanical characteristic of the coated part meets a specified level. | 06-17-2010 |
20100151272 | COATING PROCESS FOR FATIGUE CRITICAL COMPONENTS - A coating process for fatigue critical components is provided. The coating process comprises the steps of providing a substrate having a first modulus of elasticity, depositing a layer of a material having a second modulus of elasticity less than the first modulus of elasticity onto the substrate, and depositing a coating over the material layer. | 06-17-2010 |
20100304107 | LAYERED COATING FOR EROSION PROTECTION - A coating for protecting a surface against erosion when contacted by particles having a range of particle sizes or by high velocity fluid impingement includes a first coating on the surface forming a high bulk or composite hardness coating; and a hard ceramic coating on the first coating having a hardness higher than the hardness of the first coating and the erosion particles. | 12-02-2010 |
20110073217 | WEAR RESISTANT DEVICE AND PROCESS THEREFOR - A wear resistant device includes a substrate of a first metallic material and a wear resistant layer disposed on a substrate. The wear resistant layer includes a matrix of a second, different metallic material, particulates dispersed throughout the matrix, and a boron material dispersed within a portion of the matrix. | 03-31-2011 |
20110114495 | LOW COST, ENVIRONMENTALLY FAVORABLE, CHROMIUM PLATE REPLACEMENT COATING FOR IMPROVED WEAR PERFORMANCE - A coating which improves the wear performance of a part is described. The coating is applied over an article such as a part or a workpiece using an electroplating process. The coating broadly includes a cobalt material matrix with a hardness of at least 550 HV and a plurality of carbide particles distributed throughout the cobalt material matrix. The cobalt material matrix may be a cobalt-phosphorous alloy. The particles interspersed throughout the matrix may be chrome carbide or silicon carbide particles. | 05-19-2011 |
20110206855 | ARTICLE HAVING COBALT-PHOSPHOROUS COATING AND METHOD FOR HEAT TREATING - A method of processing an article having a substrate and a cobalt-phosphorous coating disposed on the substrate includes heat treating the article. At least one physical characteristic of the cobalt-phosphorous coating is altered using the heat treating to thereby change a performance characteristic of the article. For example, the article may be an actuator component having a bore or a shaft that is movably disposed at least partially within the bore. | 08-25-2011 |
20110259676 | WEAR AND FRICTION CONTROL OF METAL ROPE AND SHEAVE INTERFACES - A coated sheave ( | 10-27-2011 |
20110287239 | Multilayered Coating For Improved Erosion Resistance - An erosion resistant coating for a substrate includes two or more coating layers affixed to the substrate having an increasing modulus of elasticity and hardness from an innermost layer of the coating adjacent to the substrate to an outermost layer of the coating furthest from the substrate. A method of applying a coating system to a substrate includes applying a first layer of a high hardness and high modulus of elasticity material combined with an added metal to the substrate. A second layer of the high hardness and high modulus of elasticity material combined with the added metal is applied to the first layer, resulting in a coating system wherein the second layer has a modulus of elasticity and hardness greater than the modulus of elasticity and hardness of the first layer. | 11-24-2011 |
20110318497 | HOISTWAY SHEAVE RESURFACING - A method of and system for repairing the sheaves ( | 12-29-2011 |
20120015109 | FLUOROPOLYMER-CONTAINING FILMS FOR USE WITH POSITIVE-DISPLACEMENT FLUID PUMPS - A positive-displacement pump comprising a housing, a rotatable component disposed at least partially within the housing, and a film disposed at least partially between the housing and the rotatable component, where the film comprises a reinforcing material and a fluoropolymer material. | 01-19-2012 |
20120034490 | ARTICLE FOR IMPROVED ADHESION OF FATIGUE-PRONE COMPONENTS - An article includes a titanium substrate, a metallic layer diffusion bonded with the titanium substrate and a residual stress region that extends through the metallic layer and at least partially into the titanium substrate. | 02-09-2012 |
20120061243 | ELECTRO-FORMED SHEATH FOR USE ON AIRFOIL COMPONENTS - A method of manufacturing a sheath for protecting an airfoil component includes the steps of establishing an electro-forming solution having cobalt and phosphorus and electro-forming the sheath with a composition that includes the cobalt and the phosphorus using the electro-forming solution. | 03-15-2012 |
20120115407 | FURNACE BRAZE DEPOSITION OF HARDFACE COATING ON WEAR SURFACE - A disclosed method of hard coating a wear surface of a valve of an aircraft air management system is performed by depositing a hardface alloy powder onto the wear surface, heating the wear surface and the hardface alloy powder to transform the hardface alloy powder into a molten liquid mass, and subsequently cooling the molten liquid hardface alloy mass to solidify the hardface alloy onto the wear surface. The disclosed process provides for localized application and subsequent bonding of the hardface alloy to discrete portions of the wear surface. The solidified hardface alloy coating may then be machined to obtain specific wear surface geometries. | 05-10-2012 |
20120181467 | WEAR INTERFACE FOR BUTTERFLY VALVE - A butterfly valve comprises a housing including a bore, a rotatable shaft passing through the bore, a disc mounted to the shaft for controlling the flow of a fluid through the bore, a thrust load reacting section and a wear interface. The thrust load reacting section includes a thrust plug assembled in a thrust reacting end of the shaft and a thrust plate secured to the housing. The thrust plate has a well for axially retaining the thrust plug and the thrust reacting end of the shaft. The wear interface includes a first contact region on the thrust plug with a first contact surface and a second contact region at the base of the well with a second contact surface. A portion of the first contact surface is spherical and in contact with a portion of the second contact surface. | 07-19-2012 |
20120181469 | THRUST PLATE FOR BUTTERFLY VALVE - A thrust plate for a butterfly valve includes a thrust plate body that defines a recess. The recess extends between a bottom thrust surface, side walls and an open top. A wear-resistant coating is located on the bottom thrust surface. | 07-19-2012 |
20120186358 | APPARATUS FOR EVALUATION OF COATED PARTS - A bending test fixture for test coupons includes a test region for receiving a test coupon and first and second supports on opposed sides of the test region. One of the first or second supports includes a first pair of spaced-apart support points and the other of the first or second supports includes a second pair of spaced-apart support points that are narrowly spaced relative to the first pair of spaced-apart support points. There is a load shaft for applying a load to the second support and an articulated joint between the load shaft and the second support for uniformly distributing the load to the first support. | 07-26-2012 |
20130236322 | EROSION RESISTANT AND HYDROPHOBIC ARTICLE - An erosion resistant and hydrophobic article includes a core that has a first hardness and a surface on the core. The surface includes a plurality of geometric features that have a second, greater hardness. The geometric features define a surface porosity by area percent and a corresponding surface solidity by area percent. The surface includes a ratio of the surface solidity divided by the surface porosity that is 1.8 or greater. The geometric features and the ratio establish the surface to be hydrophobic, and the second, greater hardness and the ratio establish an erosion rate of the surface that is equal to or less than an erosion rate of the core under identical erosion conditions. | 09-12-2013 |
20130236323 | LEADING EDGE PROTECTION AND METHOD OF MAKING - A method of forming a leading edge protection component includes depositing particles using a cold spray process on a mandrel to form a leading edge protection component; and removing the leading edge protection structure from the mandrel. The leading edge protection can be formed in one or more pieces and involve using one or more mandrels. | 09-12-2013 |
20130263635 | Liquid Drop Peening Method and Apparatus Therefor - A method for peening a surface of a material is disclosed. The method may include producing repeated, separated and high speed liquid drops and moving the liquid drops across the surface to be peened. The liquid drops are essentially free of air bubbles and the velocity of the liquid drops is at least 500 ft/sec. A peening apparatus to produce repeated, separated and high speed liquid drops is also disclosed. The apparatus may comprise a storage tank, a nozzle, a pump, an accumulator, a regulator and an actuator. The apparatus may control the volume and velocity of the produced liquid drops as well as the frequency of the liquid drop production. | 10-10-2013 |
20140093378 | EROSION AND FATIGUE RESISTANT BLADE AND BLADE COATING - A coating is described for an airfoil blade component. The coating comprises a cermet material and has, when applied to the rotor blade, a compressive residual stress greater than about 60 ksi. In another embodiment, the compressive residual stress of the coating is in the range of approximately 90-110 ksi. | 04-03-2014 |
20140277669 | ADDITIVE TOPOLOGY OPTIMIZED MANUFACTURING FOR MULTI-FUNCTIONAL COMPONENTS - A computing device includes a processor, is operative on a plurality of constraints associated with a component, and integrates the constraints with a design optimization methodology across multiple variables including additive manufacturing constraints to generate a specification for the component. The component may be fabricated in accordance with the specification. | 09-18-2014 |