Patent application number | Description | Published |
20090087673 | Method for coating fuel system components - The present disclosure includes a method of producing a fuel system component. The method includes providing a substrate and a coating, wherein the substrate comprises steel and the coating comprises a metal nitride. The method also includes applying the coating to at least part of the substrate using a magnetron sputtering deposition process substantially conducted at a temperature less than about 200° C. | 04-02-2009 |
20100078314 | METHOD FOR COATING FUEL SYSTEM COMPONENTS - The present disclosure includes a method of producing a fuel system component. The method includes providing a substrate and a coating, wherein the substrate comprises steel and the coating comprises a metal nitride. The method also includes applying the coating to at least part of the substrate using a magnetron sputtering deposition process substantially conducted at a temperature less than about 200° C. | 04-01-2010 |
20100221425 | Textured Coating on a Component Surface - The present disclosure is directed to a method of making a textured coating on a wear surface of a component. The method includes applying a mask on the surface and depositing a tribological coating on the surface. The method further includes removing the mask. | 09-02-2010 |
20130153064 | Brazed assembly and method of forming - An assembly includes a first plate member with a first generally planar abutting surface and a second plate member with a second generally planar abutting surface. The first abutting surface being generally planar and having a plurality of micro reservoirs for storing brazing material. The first abutting surface and the second abutting surface being positioned adjacent each other and being joined by brazing material from the plurality of micro reservoirs. | 06-20-2013 |
20140056550 | Remanufacturing of Bearings Using Isotropic Finishing and Thin Film Coatings - A method and system for processing a bearing component to extend its useful life include using the component in the bearing assembly for a portion of its initial useful life and then removing the component from the bearing assembly. The surface of the removed component is subjected to isotropic finishing, after which a protective wear coating is applied to the surface of the component. Once processed, the used bearing component is reinstalled for use. | 02-27-2014 |
20140209063 | Valve Assembly For Fuel System And Method - A valve assembly in an internal combustion engine fuel system includes a valve member movable within a valve body to contact a valve seat and block fluid communication between first and second passages. The valve seat and valve member each include a multi-layered coating having a harder metal nitride base layer and a softer metal nitride outer layer. The base layer is relatively incompliant to impacts between the valve member and the valve seat, and the outer layer is relatively compliant to the impacts and thereby deformable. Related methodology is disclosed. | 07-31-2014 |
20140291060 | Machine Bearing System Including Hard Thin Film And Method Of Using Same - A bearing system includes a sleeve bearing supported on a shaft and a gear supported on the sleeve bearing. The shaft has an outer diameter shaft surface, the sleeve bearing has an inner diameter bearing surface and an outer diameter bearing surface, and the gear has a gear bore surface. At least one of the outer diameter shaft surface, the inner diameter bearing surface, the outer diameter bearing surface, and the gear bore surface includes an isotropic surface finish and a hard thin film over the isotropic surface finish. During a break-in period of operation of the bearing system, the hard thin film over the isotropic surface finish breaks in a counter surface of the bearing system to extend a hydrodynamic lubrication period of operation of the bearing system. | 10-02-2014 |
Patent application number | Description | Published |
20090127857 | ELECTRICAL INDUCTOR ASSEMBLY - An electrical inductor assembly comprises an inductor core having a circular shape, a wire guide that surrounds the inductor core and includes a plurality of slots, at least one of the slots forming a path winding around the inductor core, and at least one wire placed in one of the plurality of slots to form a winding. A method of forming an electrical inductor assembly comprises forming an inductor core having a circular shape, surrounding the inductor core with a wire guide, winding at least one wire around the inductor core along a slot in the wire guide, and applying an insulating material to the slot containing the at least one wire to electrically insulate the at least one wire. | 05-21-2009 |
20090128276 | LIGHT WEIGHT REWORKABLE INDUCTOR - An electrical inductor has at least one wire wound core. When the wire wound core is placed within the shell at least one cavity is present. This cavity is filled with a powder to provide the inductor with better thermal and electrical properties. | 05-21-2009 |
20090146769 | Light-weight, conduction-cooled inductor - A lightweight inductor for the motor controller of an aircraft starter includes a toroidal inductor core divided into multiple sections that are separated by a thermally conductive, but electrically insulating, material. The inductor core is wound with wire and positioned inside of an electrically and thermally conductive container, which acts as a heat sink and EMI shield, while also reducing eddy currents within the inductor core. | 06-11-2009 |
20100008112 | INTERPHASE TRANSFORMER - Three single-phase interphase transformers are connected to a three-phase transformer. The three single-phase interphase transformers each contain a component for efficiently dissipating heat. | 01-14-2010 |
20100019862 | Lightweight Electromagnetic Interference Filter - A low pass filter includes a differential mode filter and a common mode filter. The common mode portion of the filter includes at least one inductor and one capacitor, as well as a damping circuit with at least one capacitor. The low pass filter has a reduced weight, which is useful in circumstances in which weight is a significant factor, such as in aircraft. | 01-28-2010 |
20100091422 | LIGHTNING STRIKE MIGITATION FOR AIRCRAFT - A lightning mitigation system for use on an aircraft employs parasitic capacitance associated with a motor/generator to dissipate voltage provided as a result of a lightning strike. The motor/generator includes a set of windings defined by an outer periphery and a case that surrounds the set of windings. A parasitic capacitance is defined by the airgap separating the windings of the motor/generator from the case. A motor controller is electrically connected to the set of windings and includes a filter circuit. The filter circuit includes an equivalent capacitance that is selected based on the parasitic capacitance associated with the motor/generator such that a lightning strike results in a large portion of the voltage being dissipated by the parasitic capacitance of the motor/generator. | 04-15-2010 |
20110235376 | MULTI-LEVEL PARALLEL PHASE CONVERTER - A multi-level parallel phase power converter has a power source, a converter, and an electrical node. The converter includes multiple converter modules. Each of the converter modules has multiple multi-level power converters, a poly-phase interphase inductor, and a set of poly-phase power summing connections. The summed power of each of the multiple converter modules are connected together to form a single poly-phase power converter. | 09-29-2011 |
20120234520 | TRANSFORMER ASSEMBLY WITH ENHANCED AIR COOLING - A cooling system for a transformer comprises a fan duct and a housing which together enclose an interior space. A transformer located in the interior space is mounted on the fan duct, and has a plurality of core sections surrounded by windings and separated by gaps. An air channeling structure is located between the transformer and the fan duct. A cooling airflow path extends through the air channeling structure, and between core sections of the transformer. | 09-20-2012 |
20120250376 | SOFT STARTER FOR PHASE-SHIFTING AUTOTRANSFORMER AC-DC POWER CONVERTER - An AC-DC power converter has a phase-shifting autotransformer based rectifiers and DC capacitors. Soft start of the AC-DC power converter is achieved by designing the autotransformer to operate at a low peak flux density at a point of AC voltage step application (initial turn on). The addition of a controlled impedance segregates capacitor charging from the initial magnetizing process of the autotransformer. | 10-04-2012 |
20130083574 | DUAL-INPUT NINE-PHASE AUTOTRANSFORMER FOR ELECTRIC AIRCRAFT AC-DC CONVERTER - A dual-input nine-phase autotransformer converts first and second three-phase AC inputs to a nine-phase AC output. The autotransformer includes input terminals for connection to a first three-phase AC input and a second three-phase AC input smaller than the first three-phase AC input. The autotransformer includes a first plurality of coils, a second plurality, and a third plurality of coils wound on respective phase legs of the autotransformer. The autotransformer includes a plurality of output terminals for providing a plurality of AC output voltages, and a plurality of internal terminals for connecting the first, second, and third plurality of coils in a configuration that provides a 40° phase shift in the AC outputs provided by the dual-input nine-phase autotransformer. | 04-04-2013 |
20130181643 | POWER CONVERTER WITH ASYMMETRIC PHASE SHIFT AUTOTRANSFORMER FOR ALTERNATING CURRENT (AC) MOTOR - An AC-AC power converter supplies AC power to an AC motor having a plurality of motor windings and a case connected to a ground. The AC-AC power converter architecture includes an asymmetric phase shift autotransformer/rectifier unit (ATRU) that converts an AC input to a DC output, wherein the asymmetric phase shift ATRU generates a common-mode AC voltage across the asymmetric phase shift ATRU. The common mode voltage is diverted to ground through motor case parasitic capacitance via a common-mode voltage pull-down circuit connected between each phase of the ATRU AC input and the ground. | 07-18-2013 |
20130187738 | ELECTRICAL APPARATUS HAVING A THERMALLY CONDUCTIVE BOBBIN - An electrical apparatus includes a magnetic core, and a bobbin extending about and partially covering the magnetic core. The bobbin is formed from a thermally conductive material. An electrical conductor forms a winding that wraps about the bobbin. | 07-25-2013 |
20130272040 | DUAL-INPUT 18-PULSE AUTOTRANSFORMER RECTIFIER UNIT FOR AN AIRCRAFT AC-DC CONVERTER - A dual-input 18-pulse autotransformer rectifier unit for more electric aircraft AC-DC converter uses an autotransformer with a nine-phase output to condition AC power prior to DC rectifying the AC power. | 10-17-2013 |