Abstract: A dual fuel injector for a gas turbine engine includes a central cavity extending along a longitudinal axis from a first end to a second end, and a first fuel discharge outlet configured to direct a first fuel into the central cavity at the first end. The fuel injector may also include a first air discharge opening circumferentially disposed about the first fuel discharge outlet and configured to direct a first quantity of air into the central cavity, and a second air discharge opening circumferentially disposed about the central cavity and configured to discharge a second quantity of air into the central cavity downstream of the first air discharge outlet. The fuel injector may further include a second fuel discharge outlet circumferentially disposed about the central cavity and configured to discharge a second fuel therethrough. The second fuel may be different from the first fuel.

Abstract: A skid assembly for a gas turbine engine includes a first segment having a first engine support structure and a second segment having one or more second engine support structures. The first engine support structure configured to support a gas producer group of the gas turbine engine and the one or more second engine support structures configured to support a turbine power group of the gas turbine engine. A replaceable member removably attached to the first segment and the second segment.

Abstract: A gas turbine engine includes a compressor, a combustor, a turbine, a power turbine shaft, and a gas producer shaft. The compressor includes a compressor rotor assembly including a plurality of compressor disk assemblies. The turbine includes a turbine rotor assembly including a power turbine section and a gas producer section. The power turbine shaft is coupled to the power turbine section and is configured to couple to a first driven apparatus. The gas producer shaft is coupled to the gas producer section and the compressor rotor assembly, and is configured to couple to a second driven apparatus.

Abstract: A fluid line clamp includes one or more blocks with holes for receiving fluid lines therein. The fluid line clamp further includes a first backing plate, a second backing plate, and a shielding plate. The first and second backing plates are spaced apart from each other to receive the blocks therebetween. The shielding plate is disposed at a distance from the blocks and includes an inner surface, and an outer surface. The inner surface of the shielding plate is rigidly attached to the backing plates. The outer surface of the shielding plate is configured to rigidly attach to a hot body of a machine.

Abstract: A self-sealing and self-centering tube made of metal, having a tube axis, and configured to form part of a secondary system in a gas turbine engine is disclosed herein. The self-sealing and self-centering tube includes a tube having a tube wall, an inward end, an outward end, a first seal section located towards the inward end, a second seal section towards the outward end, and an extension section located between the second seal section and the outward end.

Abstract: A method of measuring creep strain in a gas turbine engine component, where at least a portion of the component has a material disposed thereon, and where the material has a plurality of markings providing a visually distinct pattern. The method may include capturing an image of at least a portion of the markings after an operational period of the gas turbine engine, and determining creep strain information of the component. The creep strain information may be determined by correlating the image captured after the operational period to an image captured before the operational period.

Abstract: A system for driving a pump includes a gas turbine engine having an output shaft, and a torque converter including an input shaft coupled to the output shaft of the gas turbine engine and an output shaft configured to be coupled to an input shaft of a pump. The system further includes a controller coupled to the torque converter, wherein the controller is configured to receive a signal indicative of a pressure at at least one of a pump inlet and a pump outlet, and control a speed of the output shaft of the torque converter based on the signal indicative of pressure.

Abstract: A system and method for washing a gas turbine engine. The method for washing the gas turbine engine includes coupling a pressurized air supply assembly to an air supply and to a secondary air system, cranking a compressor rotor assembly of the gas turbine engine, supplying pressurized offline buffer air from the air supply to the pressurized air supply assembly, and spraying a cleaner into the compressor.

Abstract: A sealing system is provided for a flanged joint. The sealing system includes a split seal and a spring. The split seal includes a radial outer surface, an axial outer surface, and a chamfered surface inclined with respect to the radial outer surface and the axial outer surface. The spring is disposed in urging contact with the chamfered surface and configured to apply an axial force, and a radial force on the axial outer surface, and the radial outer surface respectively.

Abstract: When starting a dual fuel turbine engine on liquid fuel, a flow of air assist into a combined pilot gaseous fuel and air assist tube is supplied. The velocity of the flow of air assist is increased as it is expelled through an outlet of the tube. The flow of air assist is directed into a first end of a pilot injector barrel. Additional air is drawn into the first end of the pilot injector barrel from an enclosure containing both the first end of the pilot injector barrel and the tube outlet. Liquid pilot fuel is supplied at a second end of the pilot injector barrel, and this fuel is atomized by the flow of the air assist and additional air.

Abstract: A bearing assembly having a cylindrical outer bearing shell. The outer bearing shell including a first annular outer land, a second annular outer land, and a recess therebetween. The outer bearing shell further including a first positioning bore having a first bore diameter and a second positioning bore having a second bore diameter. The second bore diameter may be smaller than the first bore diameter. A diameter of the first annular outer land may be larger than a diameter of the second annular outer land.

Abstract: A baffle assembly for a housing of a combustor system of a gas turbine engine is provided. The baffle assembly includes a baffle retainer and a baffle. The baffle retainer includes a retainer tube and a collar. The retainer tube is received within a bleed port of the housing. The collar is defined at an upper end of the retainer tube and is configured to rest against the housing. The baffle includes a baffle tube rigidly attached to an inner surface of the retainer tube.

Abstract: An alignment tool is disclosed for aligning a first shaft assembly and a second shaft assembly to be connected by a coupling device. The alignment tool includes: a housing assembly having a first end and a second end, and a front plate assembly coupled to the first end of the housing assembly. The front plate assembly forms a cavity within the housing, and the front plate assembly has a stationary support housing disposed within the cavity and aligned with the first shaft assembly in the radial direction. The alignment tool also includes a core assembly having a rotatable core shaft disposed within the support housing of the front plate assembly and aligned with the first shaft assembly in the radial direction, the core assembly configured to receive an alignment device for aligning the first shaft assembly and the second shaft assembly in the radial direction.

Abstract: A gas turbine engine includes a compressor having first annular connection structure at a forward end portion of an air inlet housing of the compressor. The gas turbine engine may also include intake ducting having second annular connection structure adjacent a central passage of the intake ducting. The first annular connection structure and the second annular connection structure may form at least part of an interface between the air inlet housing and the intake ducting during operation of the gas turbine engine. The first and second annular connection structures may have shapes allowing the first annular connection structure to be moved through and beyond the second annular connection structure in a forward direction, the forward direction being opposite a direction of compressed air flow in the compressor during operation.

Abstract: A baffle assembly for a housing of a combustor system of a gas turbine engine is provided. The baffle assembly includes a baffle retainer and a baffle. The baffle retainer includes a retainer tube and a collar. The retainer tube is received within a bleed port of the housing. The collar is defined at an upper end of the retainer tube and is configured to rest against the housing. The baffle includes a baffle tube rigidly attached to an inner surface of the retainer tube.

Abstract: A power system enclosure is provided. The power system enclosure includes a box, and a ventilation system. The ventilation system includes an enclosure inlet, and an enclosure exhaust. The enclosure inlet and the enclosure exhaust are disposed outside the box. The enclosure inlet is connected to the box to allow entry of air. The enclosure exhaust includes an enclosure exhaust, and one or more gas detectors. The exhaust duct is connected to the box to route gases from the box. The gas detectors are disposed in the enclosure exhaust to detect and generate a signal indicative of a presence of carbon monoxide in the gases.

Abstract: A system for moving an auxiliary component of a gas turbine engine is disclosed. The system may have a mobile support platform configured to support the auxiliary component during operation of the gas turbine engine. The system may further have at least one guide assembly operably connected to the mobile support platform and configured to guide movement of the mobile support platform. The system may also have a drive assembly operably connected to the mobile support platform and configured to impart movement of the mobile support platform between an elevated position and a lowered position.

Abstract: A system and method for providing a tool to access relevant data from a content management system. A set of words from a web page are identified, for example by crawling the web page. A set of keywords are maintained, for example, promotional or sponsored keywords. A word match is determined between the keywords and the set of words from the web page. An interface overlay is caused to be displayed, with hyperlink anchors, such a thumbnail pictures and text. The hyperlinks lead to brand pages, which include aggregations of content relating to the brand. A search toolbar may be used to access the brand pages.

Abstract: A system and method for automatically recommending content. User activity history, such as user transaction and purchase history, are maintained in a user profile database. Recommended content is determined from a content database based on the user activity. Icons for the recommended content are shown on the icon layout for a user interface on a user's device. The icons, when clicked, touched, or otherwise selected, causes the transactions necessary for the recommended content to be communicated to the user's device.

Abstract: A system and method for automatically organizing a user interface. A category is determined for content installed on a device. An icon for the content is displayed in a categorical row in a grid layout for the content's category. The categorical rows may be manipulated by touchscreen gestures, such as moving, expanding, and revealing details about the row, such as the row's categorical label.