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| Number | Title | Issue Date |
| 8402736 | Method and apparatus for suppressing aeroengine contrails A method of operating an aircraft, and the aircraft itself, comprising a gas turbine engine that exhausts a plume of gases in use, the aircraft is characterized by comprising an electromagnetic radiation generator and a waveguide to direct electromagnetic radiation ... | 03/26/2013 |
| 8365511 | Tip turbine engine integral case, vane, mount and mixer A tip turbine engine assembly includes an engine support structure with a rear case, exit guide vanes, an exhaust mixer, and engine mounts. The rear case is disposed about an engine centerline. The exit guide vanes extend radially inwardly from the rear case. The ex... | 02/05/2013 |
| 8322126 | Gas turbine exhaust assembly An exhaust device is disclosed that includes a duct that turns an exhaust flow from a gas turbine engine from a first direction to a second direction. A diverter cup is disposed within the duct and serves to split the exhaust flow into two streams as well as introdu... | 12/04/2012 |
| 8220248 | Power generation process with partial recycle of carbon dioxide Disclosed herein is a power generation process in which a portion of the carbon dioxide generated by gaseous fuel combustion is recycled back to the power generation process, either pre-combustion, post-combustion, or both. The power generation process of the invent... | 07/17/2012 |
| 8220247 | Power generation process with partial recycle of carbon dioxide Disclosed herein is a power generation process in which a portion of the carbon dioxide generated by gaseous fuel combustion is recycled back to the power generation process, either pre-combustion, post-combustion, or both. The power generation process of the invent... | 07/17/2012 |
| 8191349 | System and method for low emissions combustion A turbine system comprises a compressor for compressing air to generate a compressed flow, an air separation unit for receiving and separating at least a portion of the compressed flow into oxygen and a low-oxygen stream, a combustor for receiving and combusting at ... | 06/05/2012 |
| 8156725 | COcapture during compressed air energy storage A compressed air energy storage system and method of capturing CO2 during compressed air energy storage the system and method including a gas inlet pipe, at least one air compressor stage attached to the gas inlet pipe and adapted for compression of a gas... | 04/17/2012 |
| 8146342 | Exhaust eductor system with a recirculation baffle An exhaust eductor system includes a primary exhaust nozzle configured to transport an active flow stream; and a mixing duct at least partially surrounding the primary exhaust nozzle and configured to transport a passive flow stream that is entrained by mixing with ... | 04/03/2012 |
| 8127526 | Recoatable exhaust liner cooling arrangement A gas turbine engine includes an exhaust liner having cold and hot sheets radially spaced from one another and interconnected by a band arranged in a cavity between the hot and cold sheets. In one example, the band is Z-shaped to permit thermal growth of the hot she... | 03/06/2012 |
| 8104259 | Method and system for reducing power plant emissions A method for operating a power plant to facilitate reducing emissions, wherein the power plant includes a gas turbine engine assembly and a carbon dioxide (CO2) separator. The method includes increasing an operating pressure of exhaust gas discharged from... | 01/31/2012 |
| 8099943 | Exhaust duct with bypass channel An exhaust duct for directing a stream of combustion gases in a gas turbine engine is provided. The exhaust duct comprises an inlet for receiving the stream of combustion gases from a turbine section of the gas turbine engine; an outlet in fluid communication with t... | 01/24/2012 |
| 8001762 | Method and device to increase thrust and efficiency of jet engine A method and device for adding special substances to the gaseous outflow of the jet engine in order to create a “virtual wall” of increased pressure zone behind the jet engine nozzle which can serve as a support for the jet engine gas outflow to push against, th... | 08/23/2011 |
| 7980055 | Gas turbine exhaust diffuser A gas turbine including an exhaust diffuser with a flow splitter located between the inner wall and outer wall defining the exhaust gas flow path. In one aspect the flow splitter being moveable independent of the walls defining the exhaust gas flow path to allow for... | 07/19/2011 |
| 7937929 | Exhaust duct with bypass channel An exhaust duct for directing a stream of exhaust gases in a gas turbine engine is provided. The exhaust duct comprises an inlet for receiving the stream of exhaust gases from a turbine section of the gas turbine engine; an outlet in fluid communication with the inl... | 05/10/2011 |
| 7895822 | Systems and methods for power generation with carbon dioxide isolation A power generation system includes at least one turbine system. The turbine system includes a compressor section comprising at least one stage, configured to supply a compressed oxidant and a combustion chamber configured to combust the compressed oxidant and a fuel... | 03/01/2011 |
| 7891165 | Exhaust casing hub comprising stress-distributing ribs An exhaust casing hub includes a hub center, and an upstream flange and a downstream flange arranged on either side of the hub center. Each flange is terminated by a rim. A plurality of cuffs are arranged on the hub center so as to form an angle from the tangent tow... | 02/22/2011 |
| 7823375 | Infrared suppression system An InfraRed Suppression System includes a high aspect ratio exhaust duct which vectors a high temperature engine exhaust flow. ... | 11/02/2010 |
| 7765784 | Thermally compliant APU exhaust duct arrangements and associated systems and methods Thermally compliant auxiliary power unit (APU) ducts arrangements, and associated systems and methods are disclosed. A system in accordance with one embodiment includes an auxiliary power unit exhaust, that in turn includes an exhaust flow conduit, a housing dispose... | 08/03/2010 |
| 7757475 | Gas turbine equipment utilizing high humidity A gas turbine equipment includes a humidifying device for humidifying compressed gas for combustion, a heat recovery device for recovering exhaust heat from a gas turbine or the compressed air so as to heat humidifying water in the humidifying device, a recuperator ... | 07/20/2010 |
| 7721522 | Torque load transfer attachment hardware A bushing for assembling an exhaust duct liner with an exhaust duct in a gas turbine engine comprises a body, a bushing opening and a first tab. The body is insertable into a duct opening in an exhaust duct. The bushing opening receives a shaft of a liner fastener, ... | 05/25/2010 |
| 7707818 | Exhaust stacks and power generation systems for increasing gas turbine power output An exhaust stack having a junction tube and a flue is provided. The flue has a silencer portion, a converging duct portion, a tubular portion, and a diverging diffuser portion. The silencer portion fluidly communicates with the junction tube. The silencer portion ha... | 05/04/2010 |
| 7685804 | Device for enhancing efficiency of an energy extraction system A device is provided. The device is configured to introduce a pressurized flow along a Coanda profile and to entrain additional fluid flow to create a high velocity fluid flow; wherein the high velocity fluid flow is directed to an end use system through a flow path... | 03/30/2010 |
| 7631481 | Cooled duct for gas turbine engine A cooled exhaust duct for use in gas turbine engines is provided. The cooled exhaust duct includes an axial centerline, a circumference, an annulus, and a plurality of radially expandable bands. The annulus is disposed between a first wall and a second wall, and ext... | 12/15/2009 |
| 7523602 | Turbine exhaust catalyst In a gas turbine installation having an enclosure for passing cooling air therethrough and around the gas turbine, provision is made for a mixing of the cooling air with the exhaust gases being emitted from the gas turbine to thereby reduce the temperature thereof p... | 04/28/2009 |
| 7418813 | Gas turbine engine exhaust nozzle including an infrared suppression system having a plurality of U-shaped blocking fins and method of assembling said exhaut nozzle A method for assembling a gas turbine engine includes mounting a core engine to a vehicle, coupling a fuselage radially outward and around the core engine, coupling an exhaust nozzle to the core engine to channel exhaust gases discharged from the core engine, wherei... | 09/02/2008 |
| 7389635 | Twisted mixer with open center body An exhaust mixer assembly having a twisted mixer and an open centerbody is provided. The open centerbody is centrally disposed within the twisted mixer and helps to provide efficient cooling of exhaust air from gas turbine engines. A method for cooling exhaust air f... | 06/24/2008 |
| 7390471 | Apparatus and method for catalytic treatment of exhaust gases An exhaust gas treatment apparatus (20) for reducing the concentration of NOx, HC and CO in an exhaust gas stream (18) such as produced by a gas turbine engine (12) of a power generating station (10). The treatment apparatus in... | 06/24/2008 |
| 7373773 | Gas turbine installation, cooling air supplying method and method of modifying a gas turbine installation The invention provides a gas turbine installation, a cooling air supplying method, a method of modifying a gas turbine installation, which can reduce the amount of compressed air extracted for cooling of an exhaust plenum and which can increase energy efficiency. Th... | 05/20/2008 |
| 7370836 | Missile defense system and methods for evading heat seeking missiles A method for aiding a helicopter pilot to avoid a heat seeking missile includes the step of detecting a threat from a missile. The method also includes the step of reducing heat emanating from the helicopter's engine and rapidly reducing altitude. Then, when the thr... | 05/13/2008 |
| 7367531 | Systems and methods for evading heat seeking missles A method and system in an airborne aircraft to evade a heat seeking missile includes the steps of detecting the launch or “lock on” of a heat seeking missile and reducing the radiation from the aircraft's engine by reducing the engine speed to idle. The method m... | 05/06/2008 |
| 7353647 | Methods and apparatus for assembling gas turbine engines A method facilitates assembling a gas turbine engine including a compressor and a rotor assembly coupled in axial flow communication downstream from the compressor. The method comprises coupling a bypass system in flow communication with the compressor to channel a ... | 04/08/2008 |
| 7347086 | System and method for burner-based accelerated aging of emissions control device, with engine cycle having cold start and warm up modes A method for accelerated aging of an automotive catalytic converter under conditions incorporating cold start simulations. ... | 03/25/2008 |
| 7313909 | High-emissivity infrared coating applications for use in HIRSS applications A high emissivity (Hi-E) coating for use on the exhaust baffles of HIRSS systems. HIRSS systems were developed to reduce the infrared (IR) signature of helicopter engines. Increasing operating temperatures of helicopter engines have made the HIRSS systems less effec... | 01/01/2008 |
| 7299616 | Small scale hybrid engine This invention describes a miniaturized hybrid diesel-electric engine formed by a closed-loop system powered by plasma-aided combustion of JP-8 fuel (or other hydrocarbon fuels) working in tandem with a vapor cycle utilizing miniaturized expanders and condensers. Th... | 11/27/2007 |
| 7299619 | Vaporization of liquefied natural gas for increased efficiency in power cycles A gas turbine cycle that utilizes the vaporization of liquefied natural gas as a source of inlet air chilling for a gas turbine. The cycle uses regeneration for preheating of combustor air and offers the potential of gas turbine cycle efficiencies in excess of 60%. ... | 11/27/2007 |
| 7284364 | Passive exhaust suppressor and method A passive exhaust system is described that provides effective infrared signature suppression without affecting radar cross-section while maintaining stable function in crosswinds. A passive exhaust system may include an array of ducts with each duct having a primary... | 10/23/2007 |
| 7284362 | Integrated air separation and oxygen fired power generation system An integrated air separation and oxygen fired power generation system includes an air separation unit and a gas turbine including an air compressor to provide compressed air for the air separation unit. The system further includes a gas turbine expander and at least... | 10/23/2007 |
| 7277801 | Method for testing catalytic converter durability The present application relates in general to methods for testing the performance of an automotive catalytic converter under conditions simulating those which occur in motor vehicles over extended driving conditions. ... | 10/02/2007 |
| 7260938 | Method and arrangement for adapting a parameter of a hot gas of a hot-gas generator having a downstream technological process A method for adapting a parameter of a hot gas of a hot-gas generator having a downstream technological process. The method includes emitting a mass flow of the hot gas from the hot-gas generator into a connecting element, discharging a first portion of the mass flo... | 08/28/2007 |
| 7237383 | Method and device for extracting water in a power plant A method according to the invention and a corresponding device (1) designed to cool the exhaust gas (15) of a gas turbine to below its dew point. Water (25) accumulating hereby can be used for the power plant operation, so that the provis... | 07/03/2007 |
