Power plants inventions 10/07

20070245708 - High cycle fatigue management for gas turbine engines: A control and method for operating a gas turbine engine senses the operation of blades associated with any number of rotors in the gas turbine engine. If the sensors report to the control that the blades are operating at a speed that can potentially cause damage or undue vibration, the... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070245710 - Optimized configuration of a reverse flow combustion system for a gas turbine engine: An apparatus is provided for a gas turbine engine. The gas turbine engine comprises a high pressure compressor, a single-stage high pressure turbine, a multi-stage low pressure turbine, and a reverse flow combustor unit. The reverse flow combustor comprises a combustor liner assembly, a combustor dome, and a plurality of... Agent: Honeywell International Inc.

20070245709 - Relighting a turbofan engine: The method and apparatus for in-flight relighting of a turbofan engine involve in one aspect selectively controlling an accessory drag load on one or more windmilling rotors to permit control of the windmill speed to an optimum value for relight conditions.... Agent: Ogilvy Renault LLP (pwc)

20070245712 - Valveless pulsed detonation combustor: Pulse detonation combustors of valveless construction. One valveless pulse detonation combustor, having a tube with a closed end and an open end, is constructed with a flame accelerator within the tube, adjacent the open end. A valveless, apertured flow restrictor is positioned between the flame accelerator and the closed end... Agent: William F. Bahret Bahret And Associates

20070245713 - Two-stroke lean burn gas engine with a silencer/catalytic converter: A low emissions 2-stroke natural gas fueled engine includes at least one cylinder with an exhaust port in communication with a silencer/catalytic converter unit. The unit has first and second volumes in communication with each other. The first volume dampens spurious exhaust pressure excursions and removes particulates in the exhaust.... Agent: Fletcher Yoder (cameron International Corporation)

20070245714 - Optimized exhaust after-treatment integration: Through the use transfer functions, or other modeling types, directed toward the individual operation of an engine and after-treatment subsystems, an optimizer determines the trade-offs between fuel consumption, urea consumption, and reduction of NOx and PM emissions for each component of the integrated system. Evaluation of these trade-offs permits the... Agent: Nixon Peabody, LLP

20070245715 - Efficiency improving device for a gasoline engine: An efficiency improving device includes a phase compensating circuit, a filter circuit, a first diode in a forward direction, and a second diode in a reverse direction; the phase compensating circuit includes two wires, and several parallel capacitors connected to the wires; the wires are connected to the battery of... Agent: Rosenberg, Klein & Lee

20070245716 - Arrangement for recirculation of exhaust gases of an internal combustion engine in a vehicle: An arrangement for recirculation of exhaust gases of a combustion engine comprises a return line which connects an exhaust line of the engine to an inlet line of the engine to recirculate exhaust gases from the exhaust line to the inlet line. At least one EGR cooler for cooling the... Agent: Ostrolenk Faber Gerb & Soffen

20070245718 - Exhaust aftertreatment mixer with stamped muffler flange: An exhaust aftertreatment system, including injection of chemical species, has a mixer in the exhaust pipe between the injector and the aftertreatment element. The mixer is provided by a stamped muffler flange.... Agent: Andrus, Sceales, Starke & Sawall, LLP

20070245720 - Method and system for reducing pollutant emissions of a power system: A method for reducing pollutant emissions of a power system may include the steps of providing a first portion of an ethanol additive to a first power source, wherein the first power source includes a combustion chamber. The method may also include supplying a second portion of the ethanol additive... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070245719 - System for increasing efficiency of an scr catalyst: A power source has at least one combustion chamber, an exhaust system fluidly connected to the at least one combustion chamber and configured to receive an exhaust-gas stream, and a fuel source configured to supply fuel to the at least one combustion chamber. The power source also has an additive... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070245721 - System for evaluating degree of soot loading in depollution means: The inventive system comprises means (10) for determining the vehicle running mode, means (11) for determining the mass of elementary carbon exhausted by the engine according said running mode, means (15) for accumulating said elementary masses during the engine operation and obtaining a total mass thereof, means (18) for calculating... Agent: Nicolas E. Seckel Patent Attorney

20070245722 - Exhaust gas cooler and particulate scrubbing system: An exhaust gas cooling and particulate scrubbing system for automobiles includes a first stage intercooler for initial, indirect cooling of the exhaust gas and a direct exhaust gas cooling and scrubbing device preferably positioned downstream in the exhaust system therefrom. The intercooler is designed to provide circulation of a liquid... Agent: Hovey Williams LLP

20070245724 - Catalyst composition for diesel particulate filter: A catalyst composition is provided for use on a diesel particulate filter which facilitates the oxidation of soot from diesel engine exhaust and which generates low NO2 emissions during regeneration of the filter. The catalyst composition includes a catalytic metal comprising a platinum group metal selected from Pt, Pd, Pt—Pd,... Agent: Dinsmore & Shohl LLP

20070245723 - Exhaust purification device of internal combustion engine: In an internal combustion engine, a first exhaust passage and second exhaust passage branched from an exhaust passage are provided. An NOx storing reduction catalyst and a particulate filter are arranged in each exhaust passage. For example, when NOx should be released from the NOx storing reduction catalyst in the... Agent: Kenyon & Kenyon LLP

20070245727 - Bicycle thermodynamic engine: A thermodynamic cycle heat engine including a regenerator; a chamber in fluid communication with the regenerator; first and second rotors within the chamber, forming at least a pair of spaces within the chamber; and at least one actuator. The regenerator and the chamber form a portion of a closed space... Agent: Simpson & Simpson, PLLC

20070245728 - Anti-pollution motors/engines run by air/liquid/gas cycle, spring force, pump, energy blades: Anti-pollution engines are used for/in all kinds of transportations; all engine-vehicles, motor-vehicles, cars, automobiles, trucks, buses, vans, trains, underground trains, motorcycles, airplanes, helicopters, space rockets, missiles, ships, fleet, submarines, tractors, cultivators, tanks, generators, pumps, compressors, machineries, equipments, appliances, motors/engines of all sorts, and moving objects of all sorts without using... Agent: Henri Duong

20070245730 - Structure and methods using multi-systems for electricity generation and water desalination: A pyramid-like structure consisting of a base and 3 or more side frames, each side frame forming an angle to the base. The pyramid-like structure having an enclosed space within and including a way to collect solar energy and to collect and transfer thermal energy from the sun; air suction... Agent: Hancock Hughey LLP

20070245731 - Advanced power recovery and energy conversion systems and methods of using same: Disclosed herein are various systems and methods for producing mechanical power from a heat source. The system may include a heat recovery heat exchanger, a turbine, a condenser heat exchanger, and a liquid circulating pump, etc. In other embodiments, a desuperheater or an economizer, or both, may be employed. In... Agent: Williams, Morgan & Amerson

20070245732 - Fluid machine, rankine cycle and control method: A fluid machine includes a fluidization portion for compressing or expanding a working fluid which is heated to be brought into a vapor phase state after circulating in a cycle, an oil storage portion for storing therein lubricant oil for lubricating a sliding surface of the fluidization portion, a lubricant... Agent: Harness, Dickey & Pierce, P.L.C

20070245733 - Power recovery and energy conversion systems and methods of using same: In various illustrative examples, the system may include heat recovery heat exchangers, one or more turbines or expanders, a desuperheater heat exchanger, a condenser heat exchanger, a separator, an accumulator, and a liquid circulating pump, etc. In one example, a bypass desuperheater control valve may be employed. The system comprises... Agent: Williams, Morgan & Amerson

20070245734 - Internal steam engine: An internal steam engine comprising one or more cylinders containing pistons, injectors and heating means. Air is drawn into said cavities and compressed as the piston reaches top dead center. The injector means spray the charge of heated compressed air with a non-combustible liquid which is vaporized under constant pressure... Agent: Anders H. Flater

20070245735 - System and method for storing, disseminating, and utilizing energy in the form of gas compression and expansion including a thermo-dynamic battery: Thermo-dynamic battery is a energy storage unit for converting compressed gas energy into consumable electrical power for application uses with any device that requires electrical power to function. A method for storing electrical energy in the form of compressed gas and converting the same energy to electric power includes compressing... Agent: Daniel Ashikian

20070245736 - Process for superheated steam: Disclosed is a process for the preparation of superheated of steam by transferring heat from at least a fraction of a high pressure steam to a lower pressure steam to produce a superheated, lower pressure steam. The high pressure steam can be generated by recovering heat from a heat producing... Agent: Eric D. Middlemas Eastman Chemical Company

20070245740 - Method and apparatus for generating combustion products within a gas turbine engine: A method for generating combustion products within a gas turbine engine includes directing an internal air/fuel mixture towards a stagnation point in close proximity to an inner surface of a porous wall defining a combustion chamber. The internal air/fuel mixture is ignited to generate combustion products including a pilot flame.... Agent: John S. Beulick (17851)

20070245741 - Methods and system for reducing pressure losses in gas turbine engines: A method of assembling a combustor assembly is provided, wherein the method includes providing a combustor liner having a centerline axis and defining a combustion chamber therein, and coupling an annular flowsleeve radially outward from the combustor liner such that an annular flow path is defined substantially circumferentially between the... Agent: John S. Beulick (17851)

20070245742 - Method of optimum controlled outlet, impingement cooling and sealing of a heat shield and a heat shield element: There is described a method for cooling and sealing of a heat shield element, comprising a main wall with an inner side, which is restricted by side walls or rims, and an outer side, which can be exposed to a hot fluid, and wherein a coolant is introduced into an... Agent: Siemens Corporation Intellectual Property Department

20070245743 - Augmentor variable vane flame stabilization: A flameholder for an augmentor rotates about an axis radially positioned with a turbine engine. The flameholder is in a streamlined position when the augmentor is not operating to minimize pressure loss and radar cross-section and a turbulent position when the augmentor is operating. A linkage connects the flameholder to... Agent: Carlson, Gaskey & Olds, P.C.

20070245744 - Fuel system of gas turbine engines: A method for purging fuel from a fuel system of a gas turbine engine on shutdown of the engine comprises, in one aspect, terminating a fuel supply to the fuel system and using the residual compressed air to create a reversed pressure differential in the fuel system relative to a... Agent: Ogilvy Renault LLP (pwc)

20070245746 - Methods and systems for detecting rotor assembly speed oscillation in turbine engines: A method for operating a gas turbine engine is provided. The method comprises coupling at least one sensor within the gas turbine engine to transmit a signal indicative of a rotational speed of a rotor assembly within the gas turbine engine, detecting oscillations of the rotor assembly based on the... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070240399 - Gas turbine engine assembly and methods of assembling same: A method for assembling a gas turbine engine includes providing a core gas turbine engine including a high-pressure compressor, a combustor, and a turbine, and coupling a counter-rotating fan assembly to the core gas turbine engine such that air discharged from the counter-rotating fan assembly is channeled directly into an... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070240400 - Gas turbine inlet conditioning system and method: A system capable of both increasing warm day output and maintaining compressor operating margin across the ambient and load range of a gas turbine combined cycle installation. The proposed solution takes advantage of the fact that both goals can be satisfied by manipulation of compressor inlet air temperature. Specifically, the... Agent: Nixon & Vanderhye P.C.

20070240401 - Generation of electricity from heat of combustion engine: The invention contemplates a system having an engine linked to the turbine blade of a turbocharger to generate electricity. The turbine blade is associated with a housing of the turbocharger, which housing is in fluid communication with an exhaust stream of the engine. The turbine blade is configured to be... Agent: Workman Nydegger

20070240402 - Catalytic reduction of nox: A system for NOx reduction in combustion gases, especially from diesel engines, incorporates an oxidation catalyst to convert at least a portion of NO to NO2, a particulate filter, a source of reductant such as NH3 and an SCR catalyst. Considerable improvements in NOx conversion are observed.... Agent: Monte R. Browder 2nd Floor Suite

20070240404 - Engine exhaust systems with secondary air injection systems: A variety of embodiments of exhaust systems for engines including small off-road engines, and related methods of operation, are disclosed. In at least some embodiments, the exhaust system includes a first conduit that receives exhaust emissions from a first engine cylinder, and a second conduit that communicates air to a... Agent: Whyte Hirschboeck Dudek S C

20070240405 - Exhaust gas purification apparatus: An exhaust gas purification apparatus of an engine, capable of preventing erroneous detection of an injection nozzle clogging, and having a reducing catalytic converter disposed in an exhaust system, for reducing and purifying nitrogen oxide in the exhaust gas using urea water; a urea water tank storing the urea water;... Agent: Mcdermott Will & Emery LLP

20070240406 - Low temperature diesel particulate matter reduction system: A system for treating diesel exhaust is disclosed. The system includes a first filter including layers of filtration material positioned between layers of corrugated metallic foil. The metallic foil defines a honeycomb arrangement of longitudinal passageways from an upstream end to a downstream end and also openings for allowing exhaust... Agent: Merchant & Gould PC

20070240407 - Method for modifying trigger level for adsorber regeneration: A method for modifying a NOx adsorber regeneration triggering variable. Engine operating conditions are monitored until the regeneration triggering variable is met. The adsorber is regenerated and the adsorbtion efficiency of the adsorber is subsequently determined. The regeneration triggering variable is modified to correspond with the decline in adsorber efficiency.... Agent: Krieg Devault LLP

20070240409 - Exhaust manifold flange: An exhaust header having a recessed sealing surface that receives an annular graphite gasket for affecting a fluid tight seal. The exhaust header further includes one or more exhaust head pipe flanges and one or more exhaust head pipes. Each exhaust head pipe flange is fixedly attached to one of... Agent: Knobbe Martens Olson & Bear LLP

20070240413 - Fluid circuit with multiple flows from a series valve: A circuit or system having application for operating an implement or attachment for a power machine is disclosed. The circuit includes a first or primary valve, a second or auxiliary valve connected in series with the first valve and a supplemental line connected in parallel with the second valve to... Agent: Michael Best & Friedrich LLP

20070240414 - System for and method of operating a pressurized air source of a vehicular agricultural applicator: A system configured to drive a fan of an agricultural applicator is provided. The fan is mounted on a wheeled chassis assembly propelled via a drive train by an engine in a forward direction of travel. The system includes a hydraulic pump mechanically driven by the engine. The hydraulic pump... Agent: Cnh America LLC

20070240415 - Low volumetric compression ratio integrated turbo-compound rotary engine: A compound cycle engine (10) comprises a compressor and a turbine section (14, 18), and at least one cycle topping device (16) providing an energy input to the turbine section (18). The compressor section (14) compresses the air according to a pressure ratio PRgt. The cycle topping device (16) further... Agent: Ogilvy Renault LLP (pwc)

20070240416 - Integral cooling system for rotary engine: A rotary combustion engine (12) with a self-cooling system comprises a heat exchanging interface for discharging excess heat from the rotary combustion engine (12), and a direct drive fan (44) integrated on the rotary engine output shaft (26) for providing a flow of forced air over the heat exchanging interface.... Agent: Ogilvy Renault LLP (pwc)

20070240417 - Actuator: The present invention provides an actuator including: a housing having an igniter housing and a cylinder, an igniter accommodated inside the igniter housing and a piston provided inside the cylinder to be slidable, the piston having a rod and an enlarged surface portion formed on one end surface or an... Agent: Birch Stewart Kolasch & Birch

20070240418 - Heat engine: The invention relates to a heat engine comprising a first ambient heat exchanger (1) for exchanging heat with the environment at a first temperature level, a second ambient heat exchanger (2) for exchanging heat with the environment at a second temperature level, a first high-pressure tank (11) for receiving a... Agent: Dykema Gossett PLLC

20070240419 - Piston free stirling cycle engine: The present invention provides a piston-free Stirling cycle engine by incorporating the operation of a Stirling cycle within a rotary engine. The engine consists of a rotor located within a housing. The rotor is circular in shape and has chambers extending into the rotor and positioned around the periphery of... Agent: Jackie Jay Schwartz

20070240420 - Integrated engine generator rankine cycle power system: The present invention provides an integrated engine generator Rankine cycle power system which increases the efficiency of the use of its power output. The system comprises a closed Rankine cycle power generating unit through which working fluid flows and an engine generator, the closed Rankine cycle power generating unit including... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070240421 - Hydraulic unit: e

20070240422 - Gas turbine transition duct: A transition duct having a panel assembly with an inlet end of generally circular cross section and an outlet end having a generally rectangular arc-like cross section is disclosed. The panel assembly has an uncoated internal profile substantially in accordance with coordinate values X, Y, and Z as set forth... Agent: Shook, Hardy & Bacon LLP Intellectual Property Department

20070240423 - Bolting configuration for joining ceramic combustor liner to metal mounting attachments: A gas turbine combustor includes a substantially cylindrical combustor liner located substantially concentrically within a flow sleeve, the combustor liner composed through a ceramic matrix composite material, a forward end of the combustor liner provided with a plurality of circumferentially arranged bolt holes. An inner metal ring is located about... Agent: Nixon & Vanderhye P.C.

20070240424 - Gas turbine engine having bypass ducts: A gas turbine engine having a bypass flow in which the bypass flow includes a central bypass passage formed by a rotary shaft of the engine, and an outer bypass passage located between the casing and the combustor, where the hot gas stream from the turbine is located between the... Agent: John Ryznic Florida Turbine Technologies, Inc.

20070240425 - High-efficiency combustors with reduced environmental impact and processes for power generation derivable therefrom: A process for combusting solid liquid or gaseous fuels in a high temperature refractory-lined reactor with the aim of generating electric power comprises mixing at least one fuel with steam. The refactory material of the reactor and the opaque gases of the reaction environment bring about high power infrared radiation... Agent: Arent Fox PLLC

20070240426 - Mehtod and controller for operating a gas turbine engine: A controller for operating a gas turbine engine, wherein the gas turbine engine is installable in an installation platform, wherein the gas turbine engine includes a compressor, a turbine, and a shaft connecting the turbine to the compressor. The controller includes a program which instructs the controller to run a... Agent: General Electric Company

20070240427 - Compact compound engine package: A compound cycle engine (10) comprises a compressor (19) and a turbine section (16 & 20), and at least one cycle topping device (12) cooperating with the turbine section (16 & 20) to provide power. The cycle topping device (12) has an output shaft (26) extending at an angle to... Agent: Ogilvy Renault LLP (pwc)

20070234702 - Thermodynamic cycles with thermal diluent: Thermodynamic cycles with diluent that produce mechanical power, electrical power, and/or fluid streams for heating and/or cooling are described. Systems contain a combustion system producing an energetic fluid by combusting fuel with oxidant. Thermal diluent is preferably used in the cycle to improve performance, including one or more of power,... Agent: Ostrolenk Faber Gerb & Soffen

20070234704 - Methods and apparatus for operating gas turbine engines: A method for assembling a turbine engine to facilitate preventing ice accumulation on the turbine engine during engine operation. The method includes coupling a manifold to the gas turbine engine such that the manifold is coupled in thermal communication with a heat source, coupling a first heat pipe to the... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070234703 - Sealing structure of spindle bolt, and gas turbine: A first stage rotor disk (50a) and a connecting member (30) on the compressor side are fixed by a spindle bolt (20). The spindle bolt (20) is covered with a tubular member (100), between the first stage rotor disk (50a) and the connecting member (30) on the compressor side.... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070234705 - Spacecraft thruster: A thruster has a chamber defined within a tube. The tube has a longitudinal axis which defines an axis of thrust; an injector injects ionizable gas within the tube, at one end of the chamber. A magnetic field generator with two coils generates a magnetic field parallel to the axis;... Agent: Harness, Dickey & Pierce, P.L.C

20070234706 - Turbofan jet engine with an ancillary-connecting arm, and the ancillary-connecting arm: The invention concerns a turbofan jet engine that includes an external casing, connected by radial arms to an annular internal device, downstream of which is mounted, opposite to the external casing, a shell forming a fairing, ancillaries on the outside of the external casing, and ancillaries on the inside of... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070234709 - Procedure to diagnose an exhaust gas treatment device and device to implement the procedure: A procedure for the pressure diagnosis in a reagent substance metering system, which introduces a reagent substance into an exhaust gas area of an internal combustion engine upstream in front of at least one exhaust treatment device as well as a device to implement the procedure is proposed. The reagent... Agent: Merchant & Gould PC

20070234710 - Method for regenerating a nitrogen oxide storage catalytic converter: In a method for regenerating a nitrogen oxide storage catalytic converter arranged in an exhaust pipe of an internal combustion engine, a constant value is set in a first regeneration phase for the air/fuel ratio λM of the air/fuel mixture fed to the internal combustion engine when a predeterminable triggering... Agent: Crowell & Moring LLP Intellectual Property Group

20070234714 - Device for reducing particles of an exhaust gas, exhaust gas purification system and vehicle having the device or the system: A device for reducing particles of an exhaust gas includes at least one carrier structure having a predefinable volume and a plurality of channels which can be traversed by a flow. The channels at least partially have measures for deflecting the exhaust gas within the channels. The at least one... Agent: Lerner Greenberg Stemer LLP

20070234713 - Exhaust flow distribution device: The present disclosure relates to an diesel exhaust treatment device including a main body having a central longitudinal axis that extends between first and second ends of the main body. A catalyzed substrate is positioned within an interior of the main body. A side inlet is positioned at a side... Agent: Merchant & Gould PC

20070234715 - System and method for conditioning fuel: An engine assembly may include an internal combustion engine configured to combust a gaseous fuel. The engine assembly may also include a fuel intake line operatively connected to the internal combustion engine. The fuel intake line may be configured to direct the gaseous fuel towards the internal combustion engine. The... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070234717 - Alternative methods to generate high pressure by iteration in a high-pressure multichamber: A multistage ultra high pressure multichamber, have among which stages can be included pumps. A chamber has another chamber inside which also contain a pump or a pumping system towards the inside, where a third chamber is considered with its pumping system towards its interior successively the device is useful... Agent: Hasse & Nesbitt LLC

20070234718 - Hydraulic system and work machine comprising such a system: A hydraulic system includes a first pump that delivers hydraulic fluid to a first load outlet point and to a second load outlet point, a second pump that delivers hydraulic fluid to the second load outlet point, but not to the first load outlet point, a pressure detector for detecting... Agent: Wrb-ip LLP

20070234719 - Energy conversion device and operation method thereof: The present invention suggested a new energy conversion device implementing regenerative gas cycle. The energy conversion device is comprised of: a work machine that is capable of receiving and transmitting variations of pressure, at least two displacer units each including a hot and cold zone and a displacer element for... Agent: Bruce E. Lilling Lilling & Lilling PLLC

20070234720 - Exhaust gas recirculation valve: Mechanical systems having anti-stick mediums applied thereto are provided. In one aspect, exhaust gas recirculation (EGR) valve systems having anti-stick mediums applied thereto are also provided. The anti-stick medium can be applied to any contacting surface, such as but not limited to the valve surface and/or the valve seat surface.... Agent: Warn, Hoffmann, Miller & Ozga, P.C.

20070234721 - Hybird engine: An internal combustion engine includes an exhaust manifold; an intake manifold; and a turbocharger including a turbine in communication with the exhaust manifold, and a compressor in communication with the intake manifold. An electrical generator is coupled with the turbine. A motor receives electrical input power from the generator and... Agent: Deere & Company

20070234722 - System and process for base load power generation: A system and process are disclosed for converting thermal energy into power from three different compositional streams of a multi-component working fluid, one of the streams being a lean working fluid stream pressurized into its super-critical state before being vaporized in a heat recovery vapor generator, another stream is a... Agent: Robert W Strozier, P.l.l.c

20070234724 - Redundant fuel manifold sealing arrangement: A fuel manifold of gas turbine engines comprises a tube for fluid communication with a fuel source and for connection with at least one fuel nozzle tip to thereby define a fuel conveying passage. There is a means for providing a redundant seal around the tube and covering substantially an... Agent: Ogilvy Renault LLP (pwc)

20070234725 - Counterbalanced fuel slinger in a gas turbine engine: A rotary fuel slinger and a turbine engine including the rotary fuel source is provided. The rotary fuel slinger includes a coupler shaft coupled to a turbine shaft of the turbine engine and is configured to rotate therewith. The slinger further includes a slinger disc coupled to the coupler shaft... Agent: Honeywell International Inc.

20070234726 - Combustor liner v-band design: A combustor wall louver for ducting a flow of compressed air through an inlet opening in the combustor wall from a source of compressed air outside the combustor where the louver is a circumferentially extending member, mounted to an interior surface of the combustor wall and covering the inlet opening... Agent: Ogilvy Renault LLP (pwc)

20070234727 - Gas turbine engine combustor with improved cooling: A gas turbine engine combustor liner having a plurality of holes defined therein for directing air into the combustion chamber. The plurality of holes provide a greater cooling air flow in regions intermediate each diffuser pipe than in other areas of the combustor liner.... Agent: Ogilvy Renault LLP (pwc)

20070234728 - Convergent divergent nozzle with interlocking divergent flaps: A nozzle system includes a multitude of circumferentially distributed convergent flaps, divergent flaps and inter-flap seals which circumscribe an engine centerline and define the radial outer boundary of an exhaust gas path. Each divergent flap includes longitudinal sides having a set of extension which are located at different longitudinal stations... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070234732 - Gas turbine engine fuel control system having a transfer valve and a shutoff valve and a common controller therefor: A fuel control system for a gas turbine engine includes a metering valve for metering a flow of fuel, a throttling valve for maintaining a pressure drop across the metering valve, the throttling valve being shiftable between an open state and a shutoff state blocking an outlet of the metering... Agent: Honeywell International Inc.

20070234730 - Method and apparatus for monitoring combustion instability and other performance deviations in turbine engines and like combustion systems: The sensor arrangement, performance-monitored machine system, and method, utilize radiance of exhaust streams to indicate performance deviation, due to combustion instability or machine malfunction, in propulsion gas turbine engines, augmentors used on such engines, stationary power generating gas turbine engines, and other air-breathing combustion-based turbine machines and systems. Sensor operation... Agent: Ira S. Dorman

20070234729 - Methods and apparatus for cooling gas turbine engine components: A method for cooling a turbine assembly component of a gas turbine engine in a combined-cycle power generation system. The method includes channeling cooling fluid that is extracted from a source external to the gas turbine engine to the turbine assembly component, and cooling the turbine assembly component using the... Agent: John S. Beulick (17851)

20070234731 - System and method for providing air to a compressor of an aircraft auxiliary gas turbine engine: A system for providing air to a compressor of an auxiliary gas turbine engine of an aircraft. A system turbine has an inlet adapted to receive compressed air from the aircraft. A system compressor is mechanically coupled to the system turbine and has an inlet adapted to receive atmospheric air.... Agent: General Electric Company

20070234733 - Small gas turbine engine with multiple burn zones: A small gas turbine engine for use in an UAV such as a cruise missile, the gas turbine having a combustor forming a primary burn zone and a secondary burn zone, and in which fuel is injected into both the primary and the secondary burn zones by either a rotary... Agent: Mark Harris Florida Turbine Technologies, Inc.

20070234734 - System and method for turbine engine startup profile characterization: A system and method is provided for startup characterization in a turbine engine that provides the ability to accurately characterize engine startup. The startup characterization system and method uses engine temperature sensor data and engine speed sensor data to accurately characterize the startup of the turbine engine by determining when... Agent: Honeywell International Inc.

20070234735 - Fuel-flexible combustion sytem and method of operation: A combustor nozzle is provided. The combustor nozzle includes a first fuel system configured to introduce a hydrocarbon fuel into a combustion chamber to enable lean premixed combustion within the combustion chamber and a second fuel system configured to introduce a syngas fuel, a hydrocarbon fuel and diluents into the... Agent: General Electric Company Global Research

20070234736 - Valve assembly for a gas turbine engine: A method for channeling compressed air to a gas turbine engine augmentor is provided. The method includes coupling an annular slide valve to a gas turbine engine separation liner, coupling a valve seat to a gas turbine engine diffuser such that an airflow passage is defined between the annular slide... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070234737 - Cooling system for a gas turbine, compressor guide blade and method for cooling a gas turbine: The invention proposes a cooling system (42) for a gas turbine (1), with an annular duct extending axially in the compressor (5). In the annular duct, a ring (15) of compressor guide blades (14, 28, 33) and a ring (17) of moving blades (16) fastened to a rotor disk (19)... Agent: Siemens Corporation Intellectual Property Department

20070234738 - Self-actuating bleed valve for gas turbine engine: A bleed valve for bleeding air from a compressed air chamber at start-up of a gas turbine engine is self-actuated. The bleed valve moves between open and closed positions based on the pressure within a compressed air chamber. In this manner, the bleed valve is driven to an open position... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070234739 - Gas turbine engine cold start mechanization: An apparatus and method is provided to start gas turbine engines at cold start. A gearbox is not mechanically coupled to any accessory or to the starter-generator. Rather, a controller is used to route power to a starter-generator to rotate the turbine mainshaft to start the gas turbine engine. The... Agent: Honeywell International Inc.

20070227119 - Hpt aerodynamic trip to improve acoustic transmission loss and reduce noise level for auxiliary power unit: A method and device for decoupling combustor attenuation and pressure fluctuation from turbine attenuation and pressure fluctuation in a gas turbine engine. The engine has: a compressor; a combustor; and a turbine, that generate a flow of hot gas from the combustor to the turbine. An aerodynamic trip is disposed... Agent: Ogilvy Renault LLP (pwc)

20070227120 - System containing oxygen enriched diesel particulate filter and method thereof: A system for treatment of exhaust emissions from a compression-ignited internal combustion engine comprises (A) a superatmospheric-pressurized source of gaseous oxygen, (B) an inlet for the gaseous oxygen of component (A) where the exhaust emissions from the engine flow past the inlet and form a mixture with the gaseous oxygen... Agent: Calfee Halter & Griswold, LLP

20070227125 - Assured compliance mode of operating a combustion system: A combustion system is operated with reference to compliant values of a governmentally regulated exhaust emission parameter. If an alarm condition is detected during an ordinary mode of operation, the combustion system is shifted into an assured compliance mode of operation. The shift to the assured compliance mode is made... Agent: Stephen D. Scanlon, Esq. Jones Day

20070227127 - Diesel exhaust dosing valve: Dosing structure 30 is provided for supplying diesel fuel to an exhaust passage 12 of a diesel system. The dosing structure includes an electrically operated control valve 31 constructed and arranged to receive a supply of diesel fuel. A dosing valve 32 is constructed and arranged to receive fuel from... Agent: Siemens Corporation Intellectual Property Department

20070227128 - Diesel particulate filter performance using sonic particle agglomeration: A method and system for improving the performance of diesel particulate filters. Before entering the filter, the exhaust gas is subjected to sonic waves to agglomerate the particles.... Agent: Baker Botts L.L.P. Patent Department

20070227131 - Exhaust manifold with catalytic converter shell tube: A catalytic converter subassembly having at least one component inserted during the manufacture of a cast exhaust manifold, thereby eliminating a costly and undesirable manifold to converter weld. The method and converter subassembly comprise a converter shell for housing a catalyst substrate adapted to be securely attached to an exhaust... Agent: Delphi Technologies, Inc.

20070227129 - Particulate filter: A particulate filter 12 is disclosed which captures particulates entrained in exhaust gas 2. Plug bodies 8 at inlets of a filter body 7 are arranged in passages and inwardly of an inlet edge of the filter body by predetermined distance, added-fuel oxidation catalyst 13 with enhanced performance of promoting... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070227132 - 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 and secondary nozzle. Central ducts draw in ambient cooling air to create... Agent: Alston & Bird LLP

20070227134 - Hydraulically powered engine: An improved hydraulically powered engine that is of basic design, has battery 24 and DC motor 10 coupled to a hydraulic pump 14A for starting engine. Once RPMs are reached, starter switch 22 will be returned to run position, DC motor 10 will disconnect. Motor at set RPMs will use... Agent: Danny R. Lambert

20070227135 - Integrated load-sensing hydraulic system: A hydraulic system for a machine having a work tool is disclosed. The hydraulic system has a tank configured to hold a supply of fluid, and a source configured to pressurize the fluid from the tank. The hydraulic system also has a first hydraulic actuator configured to receive pressurized fluid... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070227136 - Hydraulic metering mode transitioning technique for a velocity based control system: The flow of fluid to a hydraulic actuator is controlled by a valve assembly which operates in different metering modes at various points in time for energy conservation. The metering mode to use is selected in response to the hydraulic load acting on the hydraulic actuator. Specifically, the present magnitude... Agent: Quarles & Brady LLP

20070227137 - Hydraulic drive device for work machine: To provide a hydraulic drive device for a work machine that is capable of ensuring reduction in fuel consumption even in actual work where an operating condition changes every moment. Operating condition identifying unit (41) for identifying the operating condition and hydraulic pump control system (40b) for controlling absorption torque... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070227138 - Method and system for providing a rotational output using a non-combustion heat source: A system and method for providing a rotational output using a non-combustion heat source. The system may include a sealed chamber and a triggering element. The sealed chamber may contain a substance that expands when heated and contracts when cooled. The sealed chamber may include a displacer capable of moving... Agent: Andrews Kurth LLP

20070227140 - Air-to-air aftercooler: An air-to-air aftercooler may include at least one tube body configured to direct a flow of charged air, wherein the at least one tube body includes a first material. The air-to-air aftercooler may also include a header assembly coupled to ends of the at least one tube body. The header... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070227139 - Control system and method for estimating turbocharger performance: A control system for estimating the performance of a compressor is disclosed. The control system has a compressor fluidly connected to an inlet manifold of a power source. The control system also has a power source speed sensor to provide an indication of a rotational speed of the power source,... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070227143 - Exhaust purification with on-board ammonia production: A first aspect of the present disclosure includes a power source for use with selective catalytic reduction systems for exhaust-gas purification. The power source may comprise a first cylinder group with a first air-intake passage and a first exhaust passage, and a second cylinder group with a second air-intake passage... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070227145 - Method and device for generating steam suited to oxycombustion: The invention concerns a boiler adapted to oxycombustion (30) comprising a combustion chamber (31), a water heater (33) and a vaporizer (38, 40), wherein the combustion chamber includes at least partly the water heater (33). The invention also concerns an oxycombustion method with hot water generation, comprising heating cold water... Agent: Marsh, Fischmann & Breyfogle LLP

20070227146 - Thermal energy storage: The present invention discloses a self-regulating thermal energy storage system for use in conjunction with at least one thermal energy client, and a method for self-regulating the storage and use of thermal energy in the system.... Agent: Burns & Levinson, LLP

20070227147 - Device for injecting a mixture of air and fuel, combustion chamber and turbomachine both equipped with such a device: The invention relates to a device for injecting a mixture of air and fuel into a combustion chamber of a turbomachine where the supply of air is improved. The invention relates more particularly to a new type of sliding bushing.... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070227148 - Air flow conditioner for a combustor can of a gas turbine engine: A burner (27) of a gas turbine engine (10) includes a cylindrical basket (60) comprising an air flow reversal region (86). The flow reversal region ends at an air inlet plane (84) of the basket. The burner also includes a flow conditioner (90) disposed in the flow reversal region transecting... Agent: Siemens Corporation Intellectual Property Department

20070227150 - Combustor: A combustor is provided having one or more apertures adapted to asymmetrically introduce air adjacent the fuel nozzles to reduce smoke resulting from unburned hydrocarbons in a gas turbine engine combustion system by impeding escape of unburned hydrocarbons.... Agent: Ogilvy Renault LLP (pwc)

20070227151 - Flameholder arm for an afterburner: Flameholder arm for an afterburner of a turbomachine, particularly a jet engine, comprising a ventilation duct (24) which is centered and immobilized inside the arm (10) by means independent of the heatshield (28), the duct also comprising a transverse lip (50) comprising an orifice (56) for centering and guiding a... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070227153 - Flow control redistribution to mitigate high cycle fatigue: The present invention provides a method operable to improve pressure recovery and/or distortion within engine inlet. This method involves providing a first fluid flow to primary jet vortex generator(s) operable to inject fluid at a first injection rate into a boundary layer of a primary fluid flow within the inlet.... Agent: Robert A. Mclauchlan

20070227155 - Gas turbine plant and method of operation: In a method for operating a gas turbine plant (10) with a compressor (11) for the compression of combustion air sucked in from the surroundings, with a combustion chamber (15) for generating hot gas by the combustion of a fuel with compressed combustion air, and with a turbine (12), in... Agent: Cermak Kenealy & Vaidya LLP

20070227154 - System and method for producing injection-quality steam for combustion turbine power augmentation: The present invention is a combustion turbine assembly connected to a steam generator which utilizes deaerated potable water. The steam formed by the steam generator may be combined with air and injected into the combustor of the combustion turbine assembly to increase the mass flow of gas through the turbine... Agent: Pepper Hamilton LLP