Power plants inventions 02/07

20070039305 - Lubricating oil heat recovery system for turbine engines: A turbine engine. The turbine engine may include an incoming fuel stream and a lubricating oil recirculation system. The lubricating oil recirculation system may include a heat exchanger such that waste heat from the lubricating oil recirculation system is transferred to the incoming fuel stream.... Agent: Sutherland Asbill & Brennan LLP

20070039306 - Cooling device for generation of a cold gas stream: A cooling device for generating a cold gas flow comprising a gas source and at least one first heat exchanger (4) having a connection (14b) on the input side and a connection (15b) on the output side being cooled using a cold source (10), is characterized in that the cooling... Agent: Kohler Schmid Moebus

20070039307 - Gas turbine installation: A fine water droplet spraying apparatus (11) is disposed in a suction air chamber (22) on the upstream side of an air compressor (2), and a moisture adding apparatus (7) for adding moisture to high pressure air supplied from the compressor (2) is disposed. A regenerator (5) for heating the... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070039308 - Combustion system: A combustion system which comprises a combustion chamber (1) wherein the supply of air is intercepted and a fluid (L) formed by mixing combustibles with water is supplied, water in the fluid (L) is thermally decomposed, combustibles are burnt, and a gas after combustion is discharged, a fluid storage tank... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070039310 - Compressor comprising a plurality of cells reconstituting an annular volume of separation of flows in a turbine engine: This turbine engine compressor comprises a separating nose extended by inner and outer annular walls defining in cooperation an annular volume (V) of separation of a primary flow (F1) and a secondary flow (F2). This volume (V) comprises a plurality of annular segments in the form of cells separated in... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070039309 - Stiffener for low pressure compressor for an aircraft engine: i

20070039311 - Method for operating a component part disposed in an exhaust gas region of an internal combustion engine and device for implementing the method: A method for operating a component part situated in an exhaust gas region of an internal combustion engine, and a device for carrying out the method are proposed, in which, in a first operating phase, an exhaust gas component is embedded, and which, in a second operating phase, is regenerated... Agent: Kenyon & Kenyon LLP

20070039312 - Secondary air supply system and abnormality detection method for secondary air supply system: During secondary air supply control, a secondary air supply system which supplies secondary air to an upstream side of an exhaust gas control apparatus obtains a secondary air flow rate supplied to an exhaust passage provided independently for each of a plurality of cylinder groups, and detects an abnormality in... Agent: Oliff & Berridge, PLC

20070039313 - Secondary airflow system for engine exhaust emission diagnostics: In one example, a system for an engine having an intake system and an exhaust system is described. The system comprises: an airflow sensor coupled to the intake system; an air pump having at least an inlet side and an outlet side, said inlet side having a first coupling to... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20070039314 - Exhaust purifier for diesel engine: A controller for an exhaust purifier performs idle-up to increase the idle speed of a diesel engine when an intake air amount, which is based on the atmospheric pressure and the engine speed, is less than a reference air amount of when a throttle valve is completely open and an... Agent: Morgan & Finnegan, L.L.P.

20070039315 - Combustion chamber: A system for treating particulates of an engine's exhaust is provided. The system comprises a filter configured to collect particulate matter and a device for regenerating the filter. The device comprises a housing, a fuel injector configured to inject fuel, an igniter configured to ignite the injected fuel, and a... Agent: Caterpillar Inc. 100 N.e. Adams Street

20070039316 - Compact combination exhaust muffler and aftertreatment element and water trap assembly: An ultra-compact combination exhaust muffler and aftertreatment element and water trap assembly provides exhaust flow through an aftertreatment element surrounded by an annular water collection space receiving water diverted and shed from an upper dome cap above the aftertreatment element and below the upper outlet. In a further embodiment, the... Agent: Andrus, Sceales, Starke & Sawall, LLP

20070039317 - Exhaust apparatus for vehicle, and motorcycle having the same: There is provided an exhaust apparatus for a vehicle. The exhaust apparatus comprises a plurality of exhaust path forming members constituting an exhaust path from an exhaust port of an engine to an inlet of an exhaust muffler and connected to each other end portions of the exhaust path forming... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070039318 - Vehicle exhaust dilution and dispersion device: In one exemplary embodiment, an exhaust dilution and dispersion device for a vehicle can include a generally elongate tailpipe comprising an inlet section capable of being in exhaust receiving communication with an exhaust system of a vehicle. The tailpipe further comprises an outlet section in exhaust receiving communication with the... Agent: Klarquist Sparkman, LLP

20070039319 - Exhaust manifold: An exhaust manifold that comprises an open/close valve that switches between either closing or opening the exhaust path of a collection section, and switches the exhaust path of the exhaust gas between passing through or not passing through a bypass path containing a upstream (front) catalyst; it can improve flow... Agent: Young & Thompson

20070039322 - Exhaust gas recirculation system: An exhaust gas recirculation (EGR) system is provided for an internal combustion engine having a combustion air intake circuit, an exhaust manifold, and an exhaust circuit for communicating engine exhaust to the environment. The EGR system includes an air-to-gas EGR cooler, an air supply conduit for supplying inlet air to... Agent: Deere & Company

20070039321 - Exhaust gas recirculation system: An exhaust gas recirculation (EGR) system is provided for an internal combustion engine having a combustion air intake circuit and an exhaust circuit for communicating engine exhaust to the environment. The EGR system includes an air-to-gas EGR cooler, an air inlet line communicating cooling inlet air to the EGR cooler,... Agent: Deere & Company

20070039320 - Surge control system for a compressor: A compressor active surge control system that includes an air recirculation line that has a first end connected downstream of a compressor outlet and a second end connected upstream of a compressor inlet. The gas recirculation line recirculates compressed air from the compressor outlet to the compressor inlet. Also included... Agent: Honeywell Turbo Technologies

20070039323 - Steam enhanced double piston cycle engine: A steam enhanced dual piston cycle engine utilizes a unique dual piston apparatus that includes: a first cylinder housing a first piston therein, wherein the first piston performs only intake and compression strokes; a second cylinder housing an inner power piston that forms an inner internal chamber of the second... Agent: Morrison & Foerster LLP

20070039324 - Novel fuel production plant and seawater desalination system for use therein: A novel fuel producing section produces synthesized gas from a feedstock and synthesizes novel fuel from the synthesized gas thus produced, and has exhaust heat recovery boilers for generating steam by recovering excess heat generated from the synthesizing processes. An exhaust heat utilizing section includes steam turbines driven with the... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070039325 - Mode suppression shape for beams: A method for increasing and/or suppressing a natural frequency of a fuel injector feed strip while increasing in the axial direction the flexibility of the feed strip, without the use of additional structure or damping devices. More particularly, and by way of example, the present invention provides a fuel feed... Agent: Renner, Otto, Boisselle & Sklar, LLP

20070039326 - Fuel injection method and apparatus for a combustor: A combustor and injector system to inject a selected fuel into a combustor of a gas powered turbine. Generally, the injector is able to inject a selected fuel into a stream of an oxidizer to substantially mix the fuel with the oxidizer stream before any of the fuel in the... Agent: Harness, Dickey & Pierce, P.L.C

20070039327 - Monobloc flameholder arm for an afterburner device of a bypass turbojet: A support arm (13) is intended to be installed in a radial position in an afterburner device of a bypass turbojet. The device comprises first and second inner annular casings defining a passage for a primary flow and an outer annular casing defining together with the first inner annular casing... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070039328 - Turbine engine nozzle: A turbine engine nozzle assembly has an upstream flap and a downstream flap pivotally coupled thereto for relative rotation about a hinge axis. An actuator linkage is coupled to the downstream flap along a forward portion thereof for actuating the upstream flaps and downstream flaps between a number of throat... Agent: Bachman & Lapointe, P.C.

20070039329 - System and method for attenuating combustion oscillations in a gas turbine engine: A system and method for modifying the supply of fuel to injectors to attenuate combustion oscillations in a gas turbine engine. The gas turbine engine may comprise a combustor, a plurality of injectors and a manifold. The plurality of injectors may be operable to provide fuel to the combustor. The... Agent: Caterpillar Inc. 100 N.e. Adams Street

20070039330 - Air thrust bearing for a gas turbine engine: A gas turbine engine comprises a rotary compressor (6) which is subject to forward thrust forces and is mounted on an axial shaft (50) which has a forward facing surface (67) located in a thrust bearing (52). A bleed of air under pressure (70, 74, 78) is provided from the... Agent: Royal W Craig

20070039331 - Modular gas turbine: Method and arrangement for providing a gas turbine (1) having a duct (11) for carrying gas from a gas turbine inlet (9) to a gas turbine outlet (10) and an outer housing (19, 20, 21) arranged radially outside a wall structure (12, 13, 14), which defines the radially outer limits... Agent: Novak Druce & Quigg, LLP

20070033918 - Method for operating a gas turbine and a gas turbine for implementing the method: In a method for operating a gas turbine (11) in a combined cycle power plant (40), air, which is used to burn a syngas that is recovered from coal is drawn in by the gas turbine (11) and compressed, is led to a combustor (18, 19), and a portion of... Agent: Cermak & Kenealy LLP

20070033919 - Gas turbine combustor: This invention aims to suppress the occurrence of smoke, for example, during a light load operation of a gas turbine, by adopting an air blast method for a pilot nozzle in a dual fuel combustion low NOx combustor. A gas turbine combustor of the present invention is that in a... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070033920 - Method of ionizing a liquid and an electrostatic colloid thruster implementing such a method: A method of ionizing a liquid is disclosed herein. The method includes the steps of dispensing an electrically conductive liquid onto an electrically conductive membrane so as to form a liquid film on the surface of the membrane, applying an electrical charge to the liquid film on the membrane, generating... Agent: Ostrager Chong Flaherty & Broitman, P.C.

20070033921 - Aircraft engine exhaust flap curved strut slot: An aircraft engine nozzle assembly includes an adjustable flap portion that is movable about a pivot for changing the size of an exhaust exit area. A bracket having a curved slot establishes a range of possible movement of the flap portion. A link includes a guide member portion that is... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070033922 - Serrated nozzle trailing edge for exhaust noise suppression: A nozzle for a gas turbine engine is provided with undulations on a core and/or fan exhaust flow nozzle. An annular wall defines a fluid flow passage and includes a base portion and an adjoining exit portion. The base portion is typically generally frustoconical in shape and includes an arcuate... Agent: Carlson, Gaskey & Olds, P.C.

20070033923 - Metal net for treatment of gases: The invention relates to a metal net for use in gas treatment and an gas treatment equipment including this metal net and a method for cleaning exhaust gases of engines. The invention also relates to equipment for manufacturing such a metal net. The equipment according to the invention is particularly... Agent: Young & Thompson

20070033924 - Control device for internal combustion engine: A device includes: downstream air-fuel ratio feedback control unit that performs feedback control of an upstream target air-fuel ratio so that a downstream air-fuel ratio detected by a downstream air-fuel ratio detecting unit coincides with a downstream target air-fuel ratio; a target air-fuel ratio varying unit that varies the upstream... Agent: Sughrue Mion, PLLC

20070033925 - Monitoring of exhaust gas limiting values: In a method for monitoring an exhaust gas limiting value of an internal combustion engine using an engine controller, the engine controller has at least one exhaust gas sensor, and an error signal is output when the exhaust gas limiting value is exceeded. If the emissions predicted for the present... Agent: Kenyon & Kenyon LLP

20070033926 - Control apparatus for internal combustion engine: A control apparatus for an internal combustion engine, which makes it possible to ensure quick recovery of a storage amount of oxygen saturated due to a fuel cut, to restore the capacity of a catalytic converter to absorb air-fuel ratio disturbances, and to suppress torque fluctuations through prevention of overcorrection... Agent: Sughrue Mion, PLLC

20070033927 - Automotive diesel exhaust hc dosing valve: A dosing valve assembly is disclosed for administering a reducing agent into an exhaust stream within an exhaust manifold of an internal combustion engine. The dosing valve assembly comprises a control valve coupled to a source of the reducing agent, a reducing agent delivery valve constructed and arranged for coupling... Agent: Siemens Corporation Intellectual Property Department

20070033928 - Hybrid catalyst system for exhaust emissions reduction: One aspect of the invention relates an exhaust treatment system having an SCR reactor following a NOx adsorber. Syn gas is used to regenerate the NOx adsorber. Another aspect relates to an LNT/SCR provided with an ammonia source separate from the LNT. A further aspect relates to a system comprising... Agent: Paul V. Keller, LLC

20070033929 - Apparatus with in situ fuel reformer and associated method: An apparatus comprises parallel and coaxial first and second exhaust gas passageways, a fuel reformer positioned in the first exhaust gas passageway to generate partial combustion product (e.g., H2 and/or CO), and a component such as an emission abatement device or an internal combustion engine positioned to receive the partial... Agent: Barnes & Thornburg LLP

20070033930 - Exhaust gas recirculation device: An exhaust gas recirculation device for reducing nitrogen oxide in exhausting gas of a motorcycle engine includes an exhaust gas recirculation pipe between an exhausting end and a negative pressure air inlet end of the engine; at least one check valve installed in the exhaust recirculation pipe. A negative pressure... Agent: Wen-chin Hu

20070033931 - Drive train: A drive train having a hydrodynamic machine and a cooling medium circuit with a liquid or gaseous cooling medium. The hydrodynamic machine has at least one primary impeller, a secondary impeller, at least one control valve, and a control unit. The control unit actuates the at least one control valve... Agent: Charles N.j. Ruggiero Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20070033932 - Apparatus for use with pneumatic device: A control valve assembly has a first chamber with a first port, a second chamber with a second port, and a first valve that is operative to open between the first and second chambers in response to elevated pneumatic pressure in the first chamber. A second valve is operative to... Agent: Stephen D. Scanlon

20070033933 - Hydraulic arrangement: A hydraulic arrangement is provided for a spring support system. The hydraulic circuit arrangement includes a hydraulic cylinder, a hydraulic tank, a hydraulic conveying device, a hydraulic accumulator, a first selector valve arranged between the hydraulic accumulator and the hydraulic cylinder, a control implement with at least three switch positions,... Agent: Deere & Company

20070033934 - Control device for hydraulic cylinder and operating machine including control device: A control device includes an arm cylinder having a cylinder body and a piston that slides inside the cylinder body and a pump that supplies working oil to the arm cylinder, and decelerates the piston when it approaches a stroke end of the arm cylinder by adjusting a supply rate... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070033935 - Thermal cycle engine with augmented thermal energy input area: A method and apparatus for producing electrical energy from a thermal dynamic cycle. The apparatus can include a heat exchange apparatus portion that allows for a large surface area for thermal energy collection while maintaining an efficiency of the thermal dynamic cycle engine. For example, a Stirling engine can include... Agent: Harness Dickey & Pierce, PLC

20070033936 - Method and device for controlling the speed of rotation of a turbosupercharger in an internal-combustion engine: Device for controlling the speed of a turbosupercharger in an internal-combustion engine comprising: a compressor; a turbine for driving the compressor in rotation under the action of the exhaust gases of the engine; and a wastegate valve for regulating the flow rate of the exhaust gases at input to the... Agent: Gottlieb Rackman & Reisman PC

20070033937 - Composite rotor for exhaust-gas turbochargers having titanium aluminide wheels: A rotor for exhaust-gas turbochargers having a turbine wheel (3) made of a metal aluminide, a hollow shaft (2) made of steel or of a nickel-based alloy, and a compressor wheel (1), the compressor wheel (1) having a journal (5), which partially extends into the hollow shaft (2) made of... Agent: Davidson, Davidson & Kappel, LLC

20070033938 - Engine system with a supercharger: An engine system includes a compressor system which is at least partially driven by an electric motor, and a turbine system. The system includes a detector for detecting an actual supercharging pressure. A target supercharging pressure is determined based on operational conditions of the engine. A first control demand value... Agent: Arent Fox PLLC

20070033939 - Turbocharged intercooled engine utilizing the turbo-cool principle and method for operating the same: A turbocharged-intercooled engine utilizing the turbo-cool principle and method for operating the same. The engine has an air turbine for turbo-expansion cooling. The air turbine is coupled to a compressor so intake air pressure loss as a result of turbo-expansion is partially compensated by pressure gain due to the compression... Agent: Dilworth & Barrese, LLP

20070033940 - Device for feeding fuel to a combustion chamber in a turbomachine: A device for feeding fuel to a combustion chamber in a turbomachine, the device comprising both an annular fuel feed rail extending around an outer casing of the combustion chamber, and a plurality of injectors fixed to the casing and opening out into the combustion chamber, the injectors being connected... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070033941 - Transition piece for gas turbine: As used to connect a combustor of a gas turbine to a stage of the gas turbine, a transition piece has a generally tubular body, an inlet to receive hot gases from the combustor, and an outlet to discharge the gases. The transition piece has a frame, which surrounds the... Agent: Wood, Phillips, Katz, Clark & Mortimer

20070033942 - Method for operating a gas turbine and a gas turbine for implementing the method: In a method for operating a gas turbine (11) in a combined cycle power plant (40) air is drawn in and compressed through the gas turbine (11), the compressed air is led to a combustor (18, 19) to burn a syngas recovered from a fossil fuel, especially coal, and the... Agent: Cermak & Kenealy LLP

20070033943 - Method for operating a gas turbine as well as a gas turbine for implementing the method: In a method for operating a gas turbine (11) in a combined cycle power plant (40), air, which is used to burn a syngas that is recovered from coal, is drawn in and compressed by the gas turbine (11), the compressed air is fed into a combustor (18, 19) and... Agent: Cermak & Kenealy LLP

20070033944 - Engine control: It is known that overshoot in fuel flow rate as a result of compensating for engine heat soak effects can create transient over values in desired thrust parameters. These over values may be displayed and/or utilised in other engine control systems, and although transient may create problems within the engine... Agent: Manelli Denison & Selter

20070033945 - Gas turbine system and method of operation: A gas turbine system is provided. The gas turbine system includes a compressor assembly configured to compress ambient air and a combustor in flow communication with the compressor assembly, the combustor being configured to receive compressed air from the compressor assembly and to combust a first fuel stream to generate... Agent: Patrick S. Yoder Fletcher Yoder

20070033946 - Helicopter defense system and method: A method and system for aiding a helicopter pilot to avoid being struck by a heat seeking missile includes the steps of providing a mass of water and a missile detector for detecting an incoming heat seeking missile. The water is contained in a tank that extends around an exhaust... Agent: David E. Dougherty Dennison, Schultz, Dougherty & Macdonald

20070033947 - Method of controlling a gas combustor of a gas turbine: A gas combustor has a peripheral premix burner, and a central diffusion burner whose nozzle defines an eccentric first channel housing an ignition device, an axial second channel, and a third channel interposed radially between the first and second channel; the gas combustor is controlled, at a first start-up step,... Agent: Mccarter & English LLP

20070033948 - Multi-point staging strategy for low emission and stable combustion: The present invention relates to an improved multi-point injector for use in a gas turbine engine or other types of combustors. The multi-point fuel injector has a plurality of nozzles arranged in at least two arrays such as concentric rings. The injector further has different fuel circuits for independently controlling... Agent: Bachman & Lapointe, P.C. (p&w)

20070033949 - Electricity and synthesis gas generation method: A method of generating electricity in synthesis gas in which a fuel is combusted in a gas turbine to generate the electricity that at least about 60 percent by volume is derived from a source independent of the synthesis gas. The synthesis gas is produced by reacting a hydrocarbon stream,... Agent: Praxair, Inc. Law Department - M1 557

20070033950 - Antirotation injection system for turbojet: Injection system of a turbojet engine. It comprises a fixed part and a sliding crossmember. The sliding crossmember comprises a flange capable of sliding on the sliding surface of the fixed part. The fixed part comprises antirotation means and the sliding crossmember of the complementary antirotation means to limit the... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070028604 - Diesel engine and a catalysed filter therefor: A diesel engine comprising an exhaust system comprises: a particulate filter made from a porous material having a mean pore diameter of from 5 μm to 40 μm, and a porosity of at least 40% and a bulk volumetric heat capacity of at least 0.50 J cm−3 K−1 at 500°... Agent: Ratnerprestia

20070028605 - Hydrodynamic clutch and method for influencing the torque that can be picked up by the hydrodynamic clutch: The invention relates to a hydrodynamic clutch which comprises a primary impeller (2) and a secondary impeller (3) which together define a working chamber (4). The clutch also comprises means for influencing the transmission behavior of the hydrodynamic clutch, especially for influencing the circulation flow in the working chamber (4),... Agent: Homer W. Faucett Ice Miller

20070028606 - Power steering device: In a power-cylinder equipped power steering device, under a first condition where a first directional control valve disposed in a first pressure line receives fluid pressure supplied into a second pressure line by a reversible pump, the first directional control valve intercommunicates a reservoir and a first-pressure-line downstream passage section,... Agent: Foley And Lardner LLP Suite 500

20070028607 - Hydraulic drive device: To permit using hold-side pressure oil in a first hydraulic cylinder for the acceleration of a second hydraulic cylinder upon performing a combined operation of the first and second hydraulic cylinders, a hydraulic drive system is provided with a main hydraulic pump 21, a boom cylinder 6 and an arm... Agent: Crowell & Moring LLP Intellectual Property Group

20070028608 - Rotary hydraulic machine and controls: A variable capacity hydraulic machine has a rotating group located within a casing and a control housing secured to the casing to extend across and seal an opening in the casing. The control housing accommodates a control circuit and a pair of sensors to sense change in parameters associated with... Agent: St. Onge Steward Johnston & Reens, LLC

20070028609 - Cooling device for the hydraulic fluid of a site machine hydrostatic drive: A cooling device for the hydraulic fluid of a site machine hydrostatic drive comprises a pump body and a rotor with vanes, keyed directly on a driving shaft which drives the pump, and driven in rotation in a way designed to send a flow of cooling air onto the pump... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20070028610 - Working vehicle: There is provided a there is provided a working vehicle including: a hydraulic pump unit including a hydraulic pump main body operatively driven by a driving power source, and a pump case accommodating the hydraulic pump main body and having an inner space capable of storing oil; a hydraulic motor... Agent: Sterne, Kessler, Goldstein & Fox PLLC

20070028611 - Domestic combined heat and power assembly: A domestic combined heat and power assembly comprising a wall mountable frame (13), a Stirling engine module (40) with a Stirling engine (41), and a heat exchanger module (20) for the recovery of heat from the Stirling engine. The Stirling engine module and the heat exchanger module are separate units... Agent: Needle & Rosenberg, P.C.

20070028612 - Metering fuel pump: A device and method for controlling the flow of a gaseous fuel from a fuel supply to a pressurized combustion chamber. A fuel pump is included in the gas train from supply to chamber. The fuel pump increases the pressure of the gas to allow efficient injection into the chamber.... Agent: Bromberg & Sunstein LLP

20070028613 - Injection valve and compensating element for an injection valve: A compensating element (30) for an injection valve has a cup-shaped body (32) with a cup base (34) and a recess. Furthermore, the compensating element has a piston (36) which makes a clearance fit in respect of the recess of the cup-shaped body (32) on an axially extending guide segment... Agent: Baker Botts L.L.P. Patent Department

20070028614 - Plunger master brake cylinder: In a plunger master brake cylinder (1), the closed end (5) of the main bore (3) is manufactured in one piece with the housing (2). The pistons (6,7) are inserted from the open end (4) of the main bore (3). In order to prevent the pistons (6,7) from slipping out... Agent: Continental Teves, Inc.

20070028615 - Air charger system diagnostic: A method for monitoring and diagnosing an air charger system for use in an engine assembly having pre-existing sensors, having the steps of providing an air charger having a turbine and a compressor operatively coupled to one another. Providing a control unit for monitoring a plurality of operating conditions of... Agent: Patent Docket Administrator Borgwarner Inc.

20070028616 - Method and system for operative reconversion of pairs of pre-existing steam turbo-units: Method and system, in which a pair of pre-existing steam turbo-units, a first one of which is formed by a first steam turbine and a first electric generator connected on a first common shaft and a second one of which is formed by a second steam turbine and by a... Agent: Sughrue Mion, PLLC

20070028617 - Air-assisted fuel injector for mixer assembly of a gas turbine engine combustor: A mixer assembly for use in a combustion chamber of a gas turbine engine includes a pilot mixer, a main mixer, and a fuel manifold positioned between the pilot mixer and main mixer. The pilot mixer includes an annular pilot housing having a hollow interior and a pilot fuel nozzle... Agent: James P. Davidson

20070028619 - Fuel injector: A fuel injector for a gas turbine engine has a swirl slot that supplies fuel to a prefilmer. The swirl slot has an upstream lip and a downstream lip that are arranged eccentrically. The slot is thus provided with an area of high static pressure and an area of low... Agent: Oliff & Berridge, PLC

20070028618 - Mixer assembly for combustor of a gas turbine engine having a main mixer with improved fuel penetration: A mixer assembly for use in a combustion chamber of a gas turbine engine includes a pilot mixer, a main mixer, and a fuel manifold positioned between the pilot mixer and main mixer. The pilot mixer includes an annular pilot housing having a hollow interior and a pilot fuel nozzle... Agent: James P. Davidson

20070028620 - Free floating mixer assembly for combustor of a gas turbine engine: A combustor dome assembly for a gas turbine engine having a longitudinal centerline axis extending therethrough, including: an annular dome plate having an inner portion, an outer portion, a forward surface and a plurality of circumferentially spaced openings formed therein, wherein a radial section is defined between each adjacent opening;... Agent: James P. Davidson

20070028621 - Augmentor spray bar mounting: A gas turbine engine augmentor has a centerbody within a gas flowpath from upstream to downstream. The augmentor has upstream and downstream shell sections, a downstream rim of the upstream shell section meeting an upstream rim of the downstream shell section shell section. A plurality of vanes are positioned in... Agent: Bachman & Lapointe, P.C. (p&w)

20070028623 - Infrared suppressor apparatus and method: A method for suppressing infrared radiation from an engine of an aircraft operating in an environment includes directing hot exhaust from the aircraft engine into a lobed mixer of a single baffle infrared suppressor having a collapsible, translatable baffle to generate alternating flows of hot exhaust gas and cold air.... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070022732 - Methods and apparatus for operating gas turbine engines: A method for assembling a gas turbine engine includes coupling at least one heat pipe to the gas turbine engine such that a first closed end of the at least one heat pipe is coupled in thermal communication with the lubrication fluid, and extending an opposite second closed end of... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070022733 - Electric power supply equipment: An electric power supply system capable of maintaining stable power generation or the like regardless of variation in the amount of fuel gas being supplied and variation in the gas calorie, comprises a gas engine, a gas turbine, a suction device configured to collect the generating gas, a gas separating... Agent: Fitch Even Tabin And Flannery

20070022735 - Pto assembly for a gas turbine engine: A PTO apparatus for a gas turbine engine having first and second drive shafts includes a first ring gear for being coupled to the first drive shaft and a first bevel gear engaged with the first drive gear and coupled to a PTO shaft. A second ring gear is provided... Agent: Adams Evans P.A.

20070022731 - Compact, light weight eductor oil cooler plenum and surge flow plenum design: An eductor assembly is provided that includes a primary nozzle, a cooler plenum, and a surge plenum. In one embodiment, and by way of example only, the primary nozzle is configured to accelerate and discharge turbine exhaust gas therefrom and the cooler plenum surrounds the primary nozzle and includes at... Agent: Honeywell International Inc.

20070022734 - Gas turbine, combined cycle plant and compressor: A gas turbine, a combined cycle plant and compressor by which both augmentation of the power output and augmentation of the thermal efficiency can be realized by injecting liquid droplets into inlet air introduced into an entrance of a compressor with simple equipment which is suitable for practical use. The... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070022736 - Igniter for internal combustion engines operating over a wide range of air fuel ratios: An igniter for ignition over a wide air/fuel ratio range is disclosed. The igniter includes an igniter body including an internal cavity disposed substantially within the igniter body, an internal spark gap disposed substantially within the internal cavity, an external spark gap disposed substantially on an exposed surface of the... Agent: Moore, Hansen & Sumner, Pllp

20070022737 - Linear acoustic pulsejet: A linear acoustic pulsejet (LAP) including a body having a first side panel and an opposing substantially parallel second side panel. A plurality of substantially parallel intercostals are orthogonally connected to each of the first and second side panels to create a plurality of pulsejet cells within an interior of... Agent: Ernest Caravalho

20070022739 - Methods and apparatus for operating gas turbine engines: A method facilitates assembling a gas turbine engine assembly. The method comprises providing at least one propelling gas turbine engine that includes a core engine including at least one turbine. The method also comprises coupling an auxiliary engine to the propelling gas turbine engine such that during operation of the... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070022738 - Reinforcement rings for a tip turbine engine fan-turbine rotor assembly: A fan-turbine rotor assembly includes a diffuser mountable to the outer periphery of a multitude of fan blade sections to provide structural support to the outer tips of the fan blade sections and to turn and diffuse the airflow from the radial core airflow passage toward an axial airflow direction.... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070022740 - Acoustic pulsejet helmet: A pulsejet is provided that includes an inlet, an exhaust nozzle, and a combustion chamber between the inlet and the exhaust nozzle. The pulsejet additionally includes a flow-turning device positioned over an end of the inlet. The flow turning device forms an air flow pathway (AFP) having a substantially 180°... Agent: Harness, Dickey & Pierce, P.L.C

20070022741 - Combustion chamber comprising a cooling unit and method for producing said combustion chamber: The invention relates to a combustion chamber (1) for a rocket engine, which is used to expel a hot gaseous stream, said combustion chamber (1) having cooling channels (2) that are traversed by a coolant. According to the invention, the cooling channels (2) have a substantially right-angular cross-section and at... Agent: Davidson, Davidson & Kappel, LLC

20070022742 - Exhaust gas cleaning method and exhaust gas cleaning system: An exhaust gas cleaning method capable of maintaining an optimum NOx purification ratio in the continuously regenerative range of DPF in an exhaust gas cleaning system (1) having an NOx purification function and a PM purification function combined with each other and the exhaust gas cleaning system (1). In the... Agent: Staas & Halsey LLP

20070022745 - Fuel supply system and fuel supply method for exhaust purifying catalyst device in internal combustion engine: Cylinder heads are each provided with a fuel injection valve, and an addition nozzle for adding fuel for activating an exhaust purifying catalyst to an exhaust manifold. There exists a non-exhaust period in which an exhaust gas does not flow out to exhaust passages from the exhaust manifolds during an... Agent: Morgan & Finnegan, L.L.P.

20070022743 - Method and apparatus for bubble injection of agent into exhaust gas for use with emission abatement device: An apparatus comprises an exhaust system and an injection system. The injection system is configured to vaporize a first liquid portion of an agent into at least one bubble so as to inject a second liquid portion of the agent into the exhaust system by use of the at least... Agent: Barnes & Thornburg LLP

20070022744 - System and method for directing fluid flow: In one embodiment, a flow switch can comprise: a deflector having a diverging upstream portion; an aperture located in a downstream portion of the deflector; and a divider disposed downstream of the deflector. The deflector can be capable of diverting a fluid stream that contacts the upstream portion, around the... Agent: Paul L. Marshall Delphi Technologies, Inc.

20070022746 - Radio frequency-based particulate loading monitoring system: A particulate trap regeneration system is provided, which may include a particulate trap having a filter medium configured to remove one or more types of particulate matter from an exhaust flow of an engine and a regeneration device configured to reduce an amount of particulate matter in the particulate trap,... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070022747 - Holding and sealing member and exhaust emission control device: A holding and sealing member for use in an exhaust emission control device is disclosed that holds an exhaust gas treatment member. The holding and sealing member comprises a sheet member that is made of inorganic fibers and has a first surface and a second surface. The first and second... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070022748 - Pressure regulating device for exhaust tube: A pressure regulating device includes a housing for attaching to an exhaust tube and having a chamber for receiving an exhaust gas from the exhaust tube, a piston slidably received in the housing, and a spring biasing device for biasing the piston to control the exhaust gas to flow into... Agent: Charles E. Baxley, Esq.

20070022749 - Hydraulic drive system and improved filter sub-system therefor: A hydraulic drive system (11) of the type including a hydrostatic pump-motor unit (35) having a pumping mode in which the unit pressurizes, from its port (A), a high pressure accumulator (41), and a motoring mode, in which the unit is driven by pressurized fluid from the high pressure accumulator.... Agent: Eaton Corporation Eaton Center

20070022750 - Hydraulic arrangement: A hydraulic arrangement is provided for a tool locking device of a loader. The hydraulic arrangement comprises a hydraulic cylinder with first and second chambers, which cylinder has a first position for unlocking and a second position for locking, a first supply line hydraulically connected to the first chamber, a... Agent: Deere & Company

20070022751 - Tandem axial piston pump unit: A hydraulic machine (60, 70) comprising a housing (12, 14, 16) and at least first and second hydraulic units. Each unit comprising a cylinder block (36A, 36B) located in the housing and having pistons (42), and a shaft (18, 20) in rotational engagement with the cylinder block (36A, 36B). The... Agent: Ladas & Parry LLP

20070022752 - Method and device for controlling the airflow supplied to an internal combustion engine: This method is intended for a turbocharged internal combustion engine having an electrically controlled throttle valve. The turbocharger has a waste gate for regulating its pressure. The position of the valve and the extent to which the gate is open are controlled according to two distinct modes of operation. In... Agent: Young & Thompson

20070022753 - Method and device for carrying out a thermodynamic cyclic process: In accordance with the invention, to reduce the complexity of a cycle process, a liquid working medium flow (13) is brought up to an increased pressure and through part condensation of an expanded working medium flow (12) a first partly vaporized working medium flow (15) is created. Through further vaporization... Agent: Siemens Corporation Intellectual Property Department

20070022755 - Systems and methods for providing backup energy to a load: Backup energy systems utilizing compressed air storage (CAS) systems and bridging energy systems to supply backup power to a load are provided. During a power failure, the bridging energy system provides backup power to the load at least until the CAS system begins supplying adequate power. In various embodiments, backup... Agent: Fish & NeaveIPGroup Ropes & Gray LLP

20070022754 - Thermal storage unit and methods for using the same to head a fluid: A thermal storage unit having at least one annular flow channel formed between an inner and outer member is provided. The thermal storage unit uses conventional mill products to create annular flow channels that economically maximize the surface area of flow in contact with the thermal mass included in the... Agent: Fish & NeaveIPGroup Ropes & Gray LLP

20070022756 - Method and system for controlling a reheat turbine-generator: A method for controlling a turbine-generator including: detecting a power-load unbalance between a turbine and a generator; measuring the duration of a power-load unbalance; measuring the rate of loss of an electrical load; and regulating steam flow through the turbine responsive to the rate of loss of an electrical load... Agent: Cantor Colburn, LLP

20070022757 - Infrared suppression system: An InfraRed Suppression System (IRSS) includes an exhaust manifold and a high aspect ratio exhaust duct along a longitudinal length thereof. The IRSS minimizes impingement of engine exhaust onto adjacent aircraft structure by discharging the flow upwardly and/or outwardly, away from the fuselage at relatively high velocity to reduce fuselage... Agent: Carlson, Gaskey & Olds, P.C.

20070022758 - Reverse-flow gas turbine combustion system: A gas turbine combustion system for burning air and fuel into exhaust gases. The gas turbine combustion system may include a combustor, a turbine nozzle integral with the combustor for providing the air to the combustor, and a fuel injector for providing the fuel to the combustor. The turbine nozzle... Agent: Sutherland Asbill & Brennan LLP