Power plants inventions 04/07

20070089395 - Combustion control device for gas turbine: A combustion control device for a gas turbine is capable of determining respective fuel flow rate control valve position command values based on fuel ratios. The combustion control device for a gas turbine is configured to calculate fuel flow rate command values for respective types of fuel gas based on... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070089396 - Eductor swirl buster: A system is provided in an aircraft that includes a power unit and an eductor. The power unit has a nozzle, and is configured to exhaust gas, a portion of which flows in a swirling motion, through the nozzle. The eductor communicates with the power unit and includes a housing... Agent: Honeywell International Inc.

20070089397 - Injection element: The invention relates to an injection element (10), in particular for a rocket drive, with an inner element and an outer element arranged coaxially thereto (12, 14) for receiving and injecting fuel into a combustion space. According to the invention the outer element (14) has bores (16) for forming a... Agent: Greenblum & Bernstein, P.L.C

20070089398 - Method and device for detecting deterioration of catalyst: During deterioration detection of a catalyst, exhaust gas of a lean air/fuel ratio and exhaust gas of a rich air/fuel ratio are alternately supplied to the catalyst, and decrease of the O2 storage function is detected by obtaining the oxygen occlusion amount in the catalyst, based upon the timing at... Agent: Kenyon & Kenyon LLP

20070089399 - System for particulate matter sensor signal processing: A system having a particulate matter sensor in an exhaust stream of an engine upstream from a particulate filter and another such sensor downstream from the filter. There may also be an exhaust gas recirculation (EGR) control on the engine. The amount of particulate matter in or loading of the... Agent: Honeywell International Inc.

20070089400 - Fast warm-up of diesel aftertreatment system during cold start: Intake air is severely restricted during cold start of a diesel engine to provide high engine-out exhaust gas temperatures and quickly heat exhaust treatment devices. Cylinder pressures are maintained substantially below the pressure of the ambient atmosphere during a principal portion of the intake stroke of each combustion cycle to... Agent: Gunn & Lee, P.C.

20070089402 - Method for controlling a fuel mixture, exhaust gas system having a mobile internal combustion engine and vehicle having an exhaust gas system: A method for controlling a fuel mixture in an exhaust gas system of a mobile internal combustion engine having at least one catalytic converter in an exhaust gas line, includes carrying out the control with an individual control probe in the interior of the at least one catalytic converter. An... Agent: Lerner Greenberg Stemer LLP

20070089401 - Method for controlling an internal combustion engine during regeneration of an emission after treatment device: A method for improving engine control during a regeneration of an exhaust gas after treatment device is described. According to one aspect of the description, engine air amount and engine fuel amount may be adjusted based on data from a previously executed regeneration of an exhaust gas after treatment device.... Agent: Ford Global Technologies, LLC

20070089403 - Exhaust-gas purification system for the selective catalytic reduction of nitrogen oxides in the lean exhaust gas of internal combustion engines and method of exhaust-gas purification: The present invention relates to an exhaust-gas purification system for the selective catalytic reduction of nitrogen oxides. The system includes at least one catalyst having catalytically active components for the selective catalytic reduction (SCR components). An NOx storage catalyst (5) is arranged upstream of the SCR catalyst (3) in the... Agent: Kalow & Springut LLP

20070089404 - Nox reduction in lean burn engine exhaust: The nitric oxide (NO) and nitrogen dioxide (NO2) content of lean-burn engine exhaust is beneficially prepared for selective catalytic reduction (SCR) of these oxides to nitrogen by two sidestream additions to the exhaust. An ozone-containing air stream is added to the exhaust to affect oxidation of NO to NO2. And... Agent: General Motors Corporation Legal Staff

20070089405 - Exhaust gas control apparatus for internal combustion engine: There are provided a NOx storage reduction catalyst which is provided in an exhaust passage for an engine, and a sulfur concentration sensor which can detect a total concentration of SOx and H2S in exhaust gas that has passed through the NOx catalyst, and a concentration of SOx in the... Agent: Oliff & Berridge, PLC

20070089406 - Method of avoiding undesired no2 emissions of internal combustion engines: A method of reducing undesired NO2 emissions of an internal combustion engine that operates with excess air and has an exhaust gas section, including providing the exhaust gas section with at least one catalytic converter that operates with NO oxidation activity, wherein the catalytic converter is adapted to increase the... Agent: Robert W. Becker & Associates

20070089407 - Internal bypass exhaust gas cooler: An exhaust gas cooler assembly (10) with an internally located bypass tube (50), spaced apart from and disposed within a core passage (60), with an exhaust gas inlet manifold (40) directing exhaust gas to a plurality of cooling passages (52, 54, 56, 58) or to the bypass tube (50) by... Agent: Honeywell International Inc. Patent Service

20070089408 - Hydraulic controller for working machine: A hydraulic controller for working machine according to the present invention, which presupposes an electronic control system where an integrated bleed-off valve common to hydraulic actuators is used for bleed-off control and the bleed-off valve is controlled by the secondary pressure of a proportional solenoid valve controlled by a controller,... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070089409 - Energy generating system using sea waves: Energy generating system using sea waves characterised in that said floating body (1) is mounted on a structure (5), in that it includes at last one horizontal shaft (9) integral by its ends to said structure (5), and in that said means for converting the movement of said floating body... Agent: Wolf Block Schorr And Solis-cohen LLP

20070089410 - Stirling engine: In a Stirling engine, a hollow cylinder-like pressure vessel covers a cylinder, a piston, and a linear motor. The pressure vessel is divided into a ring-like portion and a dome-like portion at a position closer to the displacer installation side than a piston support-side end of the linear motor. At... Agent: Birch Stewart Kolasch & Birch

20070089411 - Charge air cooling system and method: In accordance with one embodiment, the present techniques relate to a ground power unit that supplies electricity to an aircraft. The ground power unit may include a generator coupled to a diesel piston engine. A turbocharger may pre-compress the air consumed by the diesel engine, and a charge air cooler... Agent: Fletcher Yoder (illinois Tool Works Inc.)

20070089412 - Method for controlling an exhaust gas recirculation system: The invention relates to an arrangement for controlling an exhaust gas flow through an exhaust gas recirculation system for an internal combustion engine having a turbocharger. The exhaust gas recirculation system has an exhaust gas cooler and a bypass which is capable of diverting at least a portion of exhaust... Agent: Ford Global Technologies, LLC

20070089413 - Turbo catalyst light-off device: A turbine housing for an engine turbocharger includes a turbine outlet port fluidly coupled to an expansion mechanism, a waste port fluidly coupled to a collector, and a valve assembly rotatable between a first position blocking the turbine outlet port and a second position blocking the waste port. The valve... Agent: Daimlerchrysler Intellectual Capital Corporation Cims 483-02-19

20070089414 - Exhaust turbo-supercharger: An exhaust turbo-supercharger having a high efficiency is provided. The exhaust turbo-supercharger includes therein an exhaust turbine housing including a spiral channel and a turbine-accommodating chamber connected to an innermost peripheral part of the spiral channel; an exhaust turbine provided in the turbine-accommodating chamber so that the axial line of... Agent: Kanesaka Berner And Partners LLP

20070089416 - Combustion engine including engine valve actuation system: Engines and methods of controlling an engine may involve at least one fluid actuators associated with one or more engine intake and/or exhaust valves. Timing of valve closing/opening and use of an air supply system may enable engine operation according to a Miller cycle.... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.

20070089415 - Turbocharger: A turbocharger (2) mounted on an engine (1) has an EGR pipe (11) through which part of exhaust gas (8) is extracted from an exhaust manifold (9) to be recirculated to a suction pipe (4), the exhaust manifold (9) being internally divided by a partition (14) for prevention of exhaust... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070089417 - Catalytic reformer with upstream and downstream supports, and method of assembling same: Engineers have attempted to reduce undesirable emissions from internal combustion engines by using apparatuses, such as catalytic reformers that include pre-combustion catalysts. An apparatus of the present invention includes an apparatus housing that defines at least a first flow inlet and includes an upstream support and a downstream support. The... Agent: Caterpillar C/o Liell & Mcneil Attorneys PC

20070089418 - Apparatus for elimination of transient pressure spikes on stiff fluid systems: An apparatus for reducing pressure spikes in a fuel line having a shut-off valve is provided. The apparatus comprises a body housing a biasing member and a moveable separation member. The body has first, second, and third chambers. The first and second chambers are coupled to upstream and downstream sides... Agent: Reinhart Boerner Van Deuren P.C.

20070089419 - Combustor for gas turbine engine: A combustor for a gas turbine engine of a lean premixed combustion type, includes: a fuel jetting device configured to jet a premixed fuel into a combustion chamber so that the premixed fuel burns in a premixed combustion zone which is formed in the combustion chamber; and an additive fuel... Agent: Oliff & Berridge, PLC

20070089421 - Assembly and method for cooling rear bearing and exhaust frame of gas turbine: A propeller is mounted aft of the rear rotor supporting bearing of a gas turbine. The propeller is driven either by the rotor shaft or by the exhaust gases flowing through the exhaust frame of the turbine. The rotating propeller blows cooling air on the rear bearing. The cooling air... Agent: Nixon & Vanderhye P.C.

20070089423 - Gas turbine engine system and method of operating the same: A gas turbine engine system includes an intercooler coupled between a low-pressure compressor and a high-pressure compressor and configured to cool the compressed air exiting the low-pressure compressor. Liquid natural gas or a cooled intermediate working fluid is used in the intercooler to cool the compressed air exiting the low-pressure... Agent: Patrick S. Yoder Fletcher Yoder

20070089420 - Gas turbine, in particular aircraft engine and method for generating electrical energy in a gas turbine: A gas turbine, in particular an aircraft engine and to a method for generating electrical energy in a gas turbine is provided. The gas turbine comprises at least on engine core (18), in which a shaft (19) produces a shaft output. The turbine is equipped with means that generate electrical... Agent: Davidson, Davidson & Kappel, LLC

20070089422 - Multi-slot inter-turbine duct assembly for use in a turbine engine: A bypass channel for use in an inter-turbine transition duct assembly of a turbine engine is connected to a suction port disposed upstream of a high-pressure turbine and at least two injection openings disposed downstream of the high-pressure turbine. The flow through the bypass channel is motivated by the natural... Agent: General Electric Company Global Research

20070089424 - Gas turbine engine combustor hot streak control: A gas turbine engine combustion system includes a plurality of fuel injectors circumferentially disposed around a combustor in a one to one fuel supply relationship with a plurality of fuel nozzle valves, and an electronic controller for controlling the fuel nozzle valves to eliminate and/or reduce hot streaking in response... Agent: Steven J. Rosen Patent Attorney

20070089425 - Methods and systems for low emission gas turbine energy generation: Methods and systems for a dry low NOx gas turbine engine system include a gas turbine engine including at least one dry low NOx combustor. The combustor includes a plurality of injection points wherein at least some of the injection points are configured to inject a fuel into the combustor... Agent: John S. Beulick (17851)

20070089426 - Cumbustor with staged fuel premixer: A combustor for mixing a flow of compressed air from a compressor and a flow of fuel from a fuel source. The combustor may include a first swirler for mixing the flow of compressed air and the flow of fuel into a first fuel-air flow, a second flow source for... Agent: Sutherland Asbill & Brennan LLP

20070089427 - Two-branch mixing passage and method to control combustor pulsations: A gas turbine engine combustion system including a mixing duct that separates into at least two branch passages for the delivery of a fuel and working fluid to distinct locations within a combustion chamber. The residence time for the fuel and working fluid within each of the two branch passages... Agent: Krieg Devault LLP

20070089428 - Gas turbine engine mixing duct and method to start the engine: A combustion chamber device having a field static pressure gradient adapted to expel a flame kernel or hot spot from a fuel-air mixing duct. The swirling flow passing through an annular mixing duct is turned from a radial direction to an axial direction before entering the combustion chamber. An ignition... Agent: Krieg Devault LLP

20070089430 - Air-guiding system between compressor and turbine of a gas turbine engine: An air-guiding system between a compressor and a turbine of a gas turbine engine includes an air chamber (5) being delimited by the inner casing of the combustion chamber (4) and first and second seals (7, 8) towards the rotating compressor shaft cone (12). An axial thrust compensation chamber (6)... Agent: Timothy J. Klima Harbin King & Klima

20070089429 - Bleed valve for a gas turbine engine: A bleed valve for a gas turbine engine having a chamber inward of the bypass flow path and in fluid flow communication with the bypass and primary flow paths, a valve member for alternatively closing and opening the fluid flow communication with the primary flow path remaining inward of the... Agent: Ogilvy Renault LLP (pwc)

20070084183 - Gas turbine engine assembly and methods of assembling same: A method for assembling a gas turbine engine includes coupling a low-pressure turbine to a core turbine engine, coupling a gearbox to the low-pressure turbine, coupling a first fan assembly to the gearbox such that the first fan assembly rotates in a first direction, and coupling a mechanical fuse between... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070084184 - Gas turbine engine assembly and methods of assembling same: A method for assembling a gas turbine engine includes coupling a low-pressure turbine to a core turbine engine, coupling a gearbox including an input, a first output, and a second output, to the low-pressure turbine, coupling a first fan assembly to the gearbox first output, and coupling a second fan... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070084185 - Gas turbine engine assembly and methods of assembling same: A method facilitates assembling a gas turbine engine. The method comprises coupling a low-pressure turbine rotatable about a drive shaft to a counter-rotating fan assembly including a first fan assembly and a second fan assembly wherein the first fan assembly rotates in a first direction and the second fan assembly... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070084186 - Gas turbine engine assembly and methods of assembling same: A method for assembling a gas turbine engine includes coupling a low-pressure turbine to a core turbine engine, and coupling a counter-rotating fan assembly including a first fan assembly and a second fan assembly to the low-pressure turbine such that the first fan assembly rotates in a first direction and... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070084187 - Gas turbine engine assembly and methods of assembling same: A gearbox includes a support structure, at least one sun gear coupled within the support structure, and a plurality of planetary gears coupled within the support structure. The support structure includes a first portion, an axially aft second portion, and a thrust spring coupled between the first and second portions.... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070084188 - Gas turbine engine assembly and methods of assembling same: A method for assembling a gas turbine engine includes coupling a low-pressure turbine to a core turbine engine, coupling a counter-rotating fan assembly including a forward fan assembly and an axially aft fan assembly to the low-pressure turbine such that the forward fan assembly rotates in a first direction and... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070084189 - Gas turbine engine assembly and methods of assembling same: A method for assembling a gas turbine engine including providing a core gas turbine engine at least partially defined by a frame. The gas turbine engine has a drive shaft that is rotatable about a longitudinal axis of the core gas turbine engine. A counter-rotating fan assembly is coupled to... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070084190 - Gas turbine engine assembly and methods of assembling same: A method for assembling a gas turbine engine including providing a core gas turbine engine at least partially defined by a frame and having a drive shaft rotatable about a longitudinal axis of the core gas turbine engine. A low-pressure turbine is coupled to a core turbine engine. A counter-rotating... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070084191 - Closure and locking detection system for turbojet thrust reverser: According to the invention, the double detection system detecting closure and locking of a mobile element of a turbojet thrust reverser comprises a means (16) of detection of the hookable part (6) and of activation of a second means (17) of detection of the crooked end (13) of the hook... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070084192 - Air-fuel ratio control apparatus of internal combustion engine and control method thereof: An air-fuel ratio control apparatus and control method thereof performs air-fuel ratio feedback control based on an estimated value (i.e., an upstream side estimated air-fuel ratio) of an air-fuel ratio of gas discharged from a combustion chamber into an exhaust passage and an output value of an air-fuel ratio sensor... Agent: Oliff & Berridge, PLC

20070084194 - Crankcase ventilation system: A system for venting crankcase emissions from an engine is disclosed generally comprising a crankcase emissions conduit that communicates blow-by gases from the crankcase into the exhaust flow of an exhaust conduit, which includes a venturi, via an inlet located upstream of the minimum inner diameter of the venturi in... Agent: St. Onge Steward Johnston & Reens, LLC

20070084193 - Freeze protection for on-board vehicle emissions treatment system: Freeze protection of an on-board emissions treatment substance storage and distribution system in a vehicle includes moving the emissions treatment substance away from a primary fuel/vapor area after filling of the emissions treatment system. In one embodiment an on-board emissions treatment system has a fill tube with a portion extending... Agent: Bir Law, PLC/fgtl

20070084197 - Control device and control method for internal combustion engine: When starting an internal combustion engine from cold, after-burning of unburned HC in the exhaust gas within an exhaust passage is promoted by supplying secondary air into the exhaust passage upstream of a catalyst. At this time, the pressure within the exhaust passage is controlled by controlling the opening timing... Agent: Kenyon & Kenyon LLP

20070084196 - System and method for determining a nox storage capacity of a catalytic device: In an apparatus having an internal combustion engine, a method of operating the engine including operating the engine at a first non-stoichiometric relative air/fuel ratio for a first duration; operating the engine at a second non-stoichiometric relative air/fuel ratio for a second duration, wherein the second relative air/fuel ratio is... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20070084195 - System and method for determining a nox storage capacity of catalytic device: In an apparatus having an internal combustion engine, a catalytic device for treating emissions from the engine, an upstream oxygen sensor positioned upstream of the catalytic device, a downstream oxygen sensor positioned downstream of the catalytic device, and a controller configured to determine a NOx storage capacity of the catalytic... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20070084198 - Solid-fuel-combustion fire-insulation interface with adjacent container-wall: A solid-fuel rocket assembly including an elongate fuel container having a long axis, and an inner surface spaced outwardly from, and generally circumsurrounding, that axis, and a continuous, elastomeric, heat-insulative, intumescence-behavior jacket adhered to the container's inner surface and defining a central chamber for receiving an elongate body of solid... Agent: Robert D. Varitz, P.C.

20070084199 - Air filter for a tail pipe: A filter includes a cylindrical foramenous core which is removably mounted inside the exit end of an exhaust pipe of a vehicle powered by an internal combustion engine. Engine exhaust gases flow through the core before being exhausted into the atmosphere and are cleaned of undesirable products such as Carbon... Agent: Sung I. Oh, Professional Law Corporation

20070084200 - Exhaust system for an internal combustion engine: An exhaust system for an internal combustion engine having a plurality of cylinders is disclosed. The exhaust system comprises a plurality of exhaust branch passages, an intermediate exhaust pipe section, a partition plate and a downstream pipe section. Each exhaust branch passage is in communication with a respective cylinder. The... Agent: Rader, Fishman & Grauer PLLC

20070084201 - Device and method for controlling the position of a pneumatic actuator:

20070084202 - Fluid pressure actuator: A fluid pressure actuator includes: an actuator body which expands and contracts through supply/discharge of a fluid to generate a driving force; a sensor for detecting a condition of the actuator body; and a control part for controlling a fluid regulator for adjusting a pressure of the fluid supplied to... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070084203 - Axle driving apparatus: An axle driving apparatus for being mounted on the body frame of a vehicle and for independently rotating drive wheel members. The axle driving apparatus includes a first axle driving unit (18L) having a housing (40) and a single axle (20L), the single axle (20L) defining a proximal end portion... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070084204 - Intensifier: An intensifier is operable to supply force and includes a housing defining a cavity. A ram is slidably positioned within the cavity and partially extends from the housing. The intensifier also includes a force transfer rod and a plurality of power pistons. The ram is moveable between retracted and extended... Agent: Harness, Dickey & Pierce, P.L.C

20070084205 - Microturbine with chp system having a distillation apparatus: A power plant with a CHP system having a distillation apparatus to yield a high thermally efficient electrical power plant for reduced fuel usage and subsequent lower CO2 emission specie. The incorporation of a Combined Heat and Power (CHP) system with a microturbine, makes use of the low emissions gas... Agent: Joseph Michael Teets

20070084206 - Egr cooler purging apparatus and method: An apparatus for an internal combustion engine (200) includes a base engine (201) having an intake system (217) and an exhaust system (209). A turbine (203) has an inlet in fluid communication with the exhaust system (209), and an outlet. A first exhaust gas recirculation (EGR) cooler (211) fluidly communicates... Agent: International Engine Intellectual Property Company

20070084207 - Thermally driven cooling systems: Designs of cooling systems that operate entirely on solar energy are disclosed. Such cooling systems may be used in refrigeration and air conditioning. According to one aspect of the designs, a solar energy collecting device is disposed outdoor to collect solar energy. A first heat-to-electricity pump operating on heated liquid... Agent: Radioshack Corporation William A. Linnell Counsel

20070084208 - Hybrid generation with alternative fuel sources: A generating facility is provided for generating electricity from both solar and non-solar energy sources. The solar generating portion of the facility includes capability to directly generate electricity from solar insolation, or to store the solar energy in a tangible medium, including stored heat, or solar generating fuel. The generating... Agent: Patterson & Sheridan, L.L.P.

20070084210 - Method and apparatus for performing gas turbine engine maintenance: A method for performing maintenance on a gas turbine engine assembly includes unplugging a first connector from a first socket, the first connector electrically coupled to the engine control unit, the first socket electrically coupled to the hydromechanical unit, plugging a second connector into the first socket, the second connector... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070084209 - Power generation: The combustor (5) of a gas turbine (7) is supplied with coal bed methane (51), oxygen (53) and a part of the flue gas (55), predominantly CO2, produced from the gas turbine (7) and sent through a heat recovery steam generator (27), all under pressure. The heat recovery steam generator... Agent: Brinks Hofer Gilson & Lione

20070084211 - Variable geometry hysteresis control for a gas turbine engine: One embodiment of the present application is a gas turbine engine with a compressor that includes a variable geometry mechanism to vary working fluid flow area. A desired state of this mechanism is selected different than a current state to change the amount of flow area. The mechanism has a... Agent: Krieg Devault LLP

20070084212 - Method for the operation of a compressor of a gas turbine with evaporative cooling of the compressor induction air: In a method of operating a compressor of a gas turbine, where compressor air sucked in from the environment is cooled down by evaporation cooling before entering the compressor, before starting operation of the compressor, maximum possible temperature drops which could be achieved by evaporation cooling are determined dependent on... Agent: Cermak & Kenealy LLP

20070084213 - Annular gas turbine combustor: A combustor assembly includes a convergent segment followed by a divergent segment to advantageously improve combustion. The combustor assembly includes a first segment beginning at a forward end that transitions to a second segment past a transition segment in a direction along a combustor axis toward an aft end. The... Agent: Carlson, Gaskey & Olds, P.C.

20070084214 - Torque control for starling system: A start system for a gas turbine engine delivers starter current according to a schedule selected according to measured rotational speed and oil temperature of the gas turbine engine.... Agent: Hamilton Sundstrand Corporation

20070084217 - Combustor and component for a combustor: A sacrificial liner is provided for an injector access aperture in a combustor casing. The liner has an outer annular surface and an eccentric inner annular surface. The liner serves to protect the combustor outer casing from wear by a series of piston rings mounted in a seal carrier. The... Agent: Oliff & Berridge, PLC

20070084216 - Device for supporting and housing auxiliaries in a bypass turbojet: A device for supporting and housing auxiliaries in a bypass turbojet, comprising two coaxial case rings arranged one inside the other and connected by tubular radial arms through which fluid ducts and electric cables pass, at least one of the radial arms comprising on a lateral face a detachable panel... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070084218 - Fan static structure: A static structure is provided such as that used as an engine structure 30 within a gas turbine engine. A structure 30 comprises a hub or core 33 with a concentric ring or casing 32. The hub 33 and casing 32 are secured together through spoke or vane elements 31... Agent: Oliff & Berridge, PLC

20070084215 - System of attaching an injection system to a turbojet combustion chamber base and method of attachment: A system of attaching an injection system to a turbojet combustion chamber base. It comprises a deflector welded onto the chamber base. The deflector comprises an annular portion having an edge forming a retaining shoulder directed toward the front of the turbojet and the injection system comprises a collar on... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070084219 - Performance of a combustion chamber by multiple wall perforations: An annular wall for the combustion chamber of a turbomachine has a cold side and a hot side, said wall being provided with a plurality of primary holes and a plurality of dilution holes distributed in circumferential rows, together with a plurality of cooling orifices that are distributed in a... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070079593 - Combustion control device for gas turbine: A combustion control device for a gas turbine is capable of controlling fuel ratios such as a pilot ratio and controlling an aperture of a combustor bypass valve in response to a combustion gas temperature at an inlet of the gas turbine in accordance with the original concept by computing... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070079594 - Mixed fuel coal burner for gas turbines: As shown schematically in FIG. 1, hot gases, containing molecular oxygen, from generator elements, (14) and (19), pass through a bed of coal chunks in an ODD reactor chamber (2). The molecular oxygen content of these hot gases is less than stoichiometric, relative to the coal volatile matter content, so... Agent: Joseph C. Firey

20070079595 - Ion impulse engine: An ion engine which produces thrust by charging a propellant vapor in an electric field and then reversing the polarity of the electric field. The electric field forces the charged nuclei close to the unenergized electrode. When the electrode is energized as a positive electrical charge, the nuclei repel and... Agent: Richard Cary Phillips

20070079596 - Apparatus and method for controlling air/fuel ratio of internal combustion engine: An apparatus for controlling air-fuel ratio of an internal combustion engine having: a three-way catalytic converter; an oxygen sensor, which is installed at the upstream side of said catalytic converter in respect to exhaust gas flow direction, for generating a switching signal showing rich/lean relative to a certain air-fuel ratio;... Agent: Crowell & Moring LLP Intellectual Property Group

20070079597 - System and method for monitoring operation of an exhaust gas treatment system: A system and a method for monitoring operation of an exhaust gas treatment system using an exhaust gas sensor in accordance with an exemplary embodiment is provided. The exhaust gas treatment system has an exhaust pipe configured to receive exhaust gases. The exhaust gas treatment system has an SCR catalyst... Agent: Delphi Technologies, Inc.

20070079598 - Gaseous fuel engine charge density control system: A gaseous fuel engine including an exhaust gas recirculation system and method for operating a gaseous fuel engine are provided. The exhaust gas recirculation system has an adjustable flow and is operable to supply exhaust gas to at least one engine cylinder. The engine further includes means for determining a... Agent: Caterpillar C/o Liell & Mcneil Attorneys PC

20070079599 - Exhaust gas purifying apparatus in engine: An exhaust gas purifying apparatus in an engine 1 is for supplying the urea water in a storage tank 20 to a reduction catalyst 3 disposed in an exhaust system. In this exhaust gas purifying apparatus, a concentration detecting device 60 is disposed in the storage tank 20, and the... Agent: Mcdermott Will & Emery LLP

20070079600 - Nox reduction system for diesel engines, using hydrogen selective catalytic reduction: An emission control system for reducing NOx in the exhaust of a diesel engine. A partial oxidation system receives diesel fuel from the engine's fuel tank and partially oxidizes the diesel fuel into hydrogen. The hydrogen is then introduced into the main exhaust line and the hydrogen-enhanced exhaust is delivered... Agent: Baker Botts L.L.P. Patent Department

20070079601 - Engine control apparatus and engine operating method: When an abnormality occurred in a SCR device is detected, the output of an engine is restricted. To this end, in one embodiment, at the time of an abnormality occurrence, a map adopted for calculating a fuel injection quantity is switched from that for a normal time (S407). Further, as... Agent: Mcdermott Will & Emery LLP

20070079602 - Thermal management of hybrid lnt/scr aftertreatment during desulfation: In an exhaust aftertreatment system comprising a NOx adsorber-catalyst followed by an SCR catalyst, means are provided for preventing the SCR catalyst from becoming heated to near the same peak temperatures as the NOx adsorber-catalyst during desulfation. In one embodiment, the means is a thermal mass between the NOx adsorber-catalyst... Agent: Paul V. Keller, LLC

20070079603 - Exhaust aftertreatment system with transmission control: A power generation system comprising a LNT for exhaust aftertreatment. The LNT has an effective operating temperature range. When the LNT is near a limit of its effective operating temperature range, the transmission is used to select operating points that increase the LNT's effectiveness. Generally, these operating points reduce the... Agent: Paul V. Keller, LLC

20070079604 - Secondary air supply system for internal combustion engine: The present specification discloses a system for providing a secondary air supply to an internal combustion engine so as to reduce undesirable exhaust gases. The system includes a hose running from a region of higher pressure to the exhaust port of the engine so as to supply air to such... Agent: Black Lowe & Graham, PLLC

20070079605 - Exhaust aftertreatment system with transmission control: A power generation system having a fuel reformer positioned inline with an engine exhaust stream. A transmission controller selects torque ratios and thereby operating points for the engine in order to facilitate start-up or operation of the fuel reformer. In one embodiment, the controller selects operating points to heat the... Agent: Paul V. Keller, LLC

20070079606 - Diesel vehicle exhaust aftertreatment apparatus and method: The aftertreatment apparatus and method of the invention concentrate diesel exhaust under low engine load conditions in a motor vehicle, such as idling, before filtering the diesel exhaust. The apparatus has a housing which is in fluid communication with a filter and other components of the diesel exhaust system. The... Agent: International Truck Intellectual Property Company,

20070079607 - Exhaust purifying apparatus for internal combustion engine: An internal combustion engine has a separate exhaust passage for each one of banks. An exhaust purifying catalyst is provided in each exhaust passage. The mass flow rates G1, G2 of exhaust gas that flow through the exhaust passages are individually estimated. The flow rate of exhaust gas is individually... Agent: Kenyon & Kenyon LLP

20070079608 - Exhaust manifold for internal combustion engine: The present invention relates to an exhaust manifold for a supercharger-equipped internal combustion engine having multiple cylinders capable of preventing an increase in the fuel consumption and of reducing load application time. The engine satisfies at least one of the following expressions, where D is the diameter of a main... Agent: Crowell & Moring LLP Intellectual Property Group

20070079609 - Hybrid hydraulic system and work machine using same: A hydraulic system and work machine are provided, the hydraulic system including at least one hydraulic cylinder with a first port and a second port connected by a first fluid passage. A first pump, which is a bi-directional hydraulic pump is positioned within the first fluid passage, and a second... Agent: Caterpillar C/o Liell & Mcneil Attorneys PC

20070079610 - Hydrostatic transmission device of a moveable device with an exchange: The circuit comprises a main hydraulic pump (52), two main ducts (50, 54), a booster pump (56), a hydraulic motor (10; 20) which comprises two elementary motors (11, 12; 21, 22) for driving a first displacement member (1, 2), and a second hydraulic motor (30; 40) for driving a second... Agent: Ladas & Parry LLP

20070079611 - Renewable power controller for hydrogen production: A power control system for electric generation from renewable energy and consumption of said energy to produce hydrogen. The controller improves overall system efficiency by controlling electricity generation over a wider range of conditions, and controlling the electric conversion to that required by the hydrogen converter much more efficiently, than... Agent: George J. Doland

20070079613 - Bearing health monitor: A turbocharger monitor including a sensor adapted and positioned with respect to a turbocharger housing to sense passing compressor blades, generating both rotor rotation information and rotor displacement information. A controller is configured to receive the generated information from the blade sensor, and to establish rotor rotation speed and an... Agent: Honeywell Turbo Technologies

20070079612 - Turbo charging system: A regulated two-stage turbocharger system is described, including high-pressure and low-pressure turbocharger units. The low-pressure turbocharger unit includes a twin volute turbine portion. The turbocharger system includes a valve system having valve members that are independently controllable so as to selectively control an exhaust gas flow into the twin volutes... Agent: Patent Docket Administrator Borgwarner Inc.

20070079614 - System and method for high pressure and low pressure exhaust gas recirculation control and estimation: A system for a diesel engine having an intake manifold and an exhaust manifold, comprising a turbocharger coupled between the intake and exhaust manifolds of the engine; a low pressure exhaust gas recirculation system with a first end coupled to the exhaust manifold downstream of the turbocharger and a second... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20070074500 - Fuel injector: A variable geometry pre-mixing fuel injector (50) for injecting a fuel/air mix in a downstream direction, comprising: an air inlet (60); a fuel inlet (58) positioned downstream of the air inlet (60); a duct (56) extending at least downstream of the fuel inlet (58) to define a fuel and air... Agent: Manelli Denison & Selter

20070074501 - Thruster with electro-thermal thrust augmentation: A thruster for exo-atmospheric vehicles with electro-thermal thrust augmentation and having internally embedded heating elements for direct contact heating of gaseous products released by a propellant, particularly hydrazine, so as to increase the Specific Impulse (Isp) of the thruster. The electrical heating elements are resistant to hydrazine products. The thruster... Agent: Cohen, Pontani, Lieberman & Pavane

20070074502 - Fresh air emissions: Gasoline and diesel fuels are mixtures of hydrocarbon compounds which contain Hydrogen and carbon atoms. In a “perfect” engine, oxygen in the air would convert all hydrogen in the fuel to water and all carbon in the fuel to carbon dioxide. Nitrogen in the air would remain unaffected. When baking... Agent: Pauline E. Sloan

20070074505 - Control system for internal combustion engine: A control system for an internal combustion engine, which can determine just enough amounts of demanded combustion fuel and auxiliary fuel during execution of auxiliary fuel supply, for improvement of fuel economy and drivability and the emission-reducing capability of a catalyst. The control system carries out auxiliary fuel supply for... Agent: Arent Fox PLLC

20070074504 - Engine system including multipe engines and method of operating same: Engines that include different combustion strategies for different cylinders may create a power imbalance resulting in undesirable engine vibrations. The engine system of the present disclosure includes a first engine that is operable to produce a high NOx concentration exhaust and a second engine that is operable to produce a... Agent: Caterpillar C/o Liell & Mcneil Attorneys PC

20070074503 - Exhaust system for an internal combustion engine on a vehicle, in particular a motor vehicle: The invention relates to an exhaust system for an internal combustion engine on a vehicle, comprising an exhaust catalyst and a probe arrangement in the region of the exhaust catalyst as component of a lambda regulation device in which the engine is alternately switched between a lean and rich operating... Agent: Peter N Lalos Stevens Davis Miller Mosher

20070074506 - Engine system arrangement with on-board ammonia production and exhaust after treatment system: An engine system includes first and second combustion chamber groups that supply exhaust to respective first and second exhaust passages. NOx in the exhaust of the first combustion group is converted to ammonia, such as by enriching the exhaust with fuel and then passing the mixture over an appropriate catalyst.... Agent: Caterpillar C/o Liell & Mcneil Attorneys PC

20070074507 - Exhaust system with secondary performance respective torque control/regulation: An exhaust gas device to control, respectively regulates the torque, respectively the performance/power output of a combustion engine includes at least one primary and one secondary flow routing, for gases coming from the combustion engine. The flow routings are designed, to optimize the torque and or the performance/power output of... Agent: Westman Champlin & Kelly, P.A.

20070074508 - Regeneration strategy: A method for altering an operating condition of a filter includes actively increasing the temperature of the filter to a desired temperature below a regeneration temperature and sensing a filter operating condition at about the desired temperature. The method also includes comparing the sensed filter operating condition to an expected... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070074509 - Hydraulic system for recovering potential energy: A hydraulic system may include a hydraulic actuator. The hydraulic system may also include a pump having a pump inlet and a pump outlet, and the pump may be configured to supply fluid to the hydraulic actuator. The hydraulic system may further include an energy recovery system operatively connected between... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070074510 - Hydraulic system having augmented pressure compensation: A hydraulic system is disclosed having a source of pressurized fluid, at least a one hydraulic actuator, and a first valve. The first valve has a first valve element movable relative to a first valve bore between a plurality of positions from a first position in which pressurized fluid is... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070074511 - Multi-pump control system and method: A hydraulic control system for a work machine is disclosed. The hydraulic control system has a first pump, a second pump, an operator control device, and a controller. The first and second pumps are configured to pressurize a fluid. The operator control device is movable through a range of motion... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070074512 - Turbocharged internal combustion engine with egr system having reverse flow: An internal combustion engine includes a block defining at least one combustion cylinder. An intake manifold is fluidly coupled with at least one combustion cylinder, and an exhaust manifold is also fluidly coupled with at least one combustion cylinder. An exhaust gas recirculation system is fluidly coupled between the exhaust... Agent: Deere & Company

20070074513 - Turbo charging in a variable displacement engine: A variable displacement internal combustion engine having selectively disabled cylinders, the engine including two turbochargers each having a turbine and a compressor, an exhaust system connecting the turbines of both turbochargers to all the engine cylinders, and valving within the exhaust system for selectively directing exhaust gases to flow through... Agent: Ford Global Technologies, LLC

20070074514 - Power generation system and associated methods: A power generation system comprises a turbine and a fluid warming device in communication with the turbine. The fluid warming device may comprise a housing, an inlet pipe carried by the housing, an outlet pipe carried by the housing, and a plurality of solar collection members carried by the housing... Agent: The Torpy Group, P.l.

20070074515 - Waste energy recovery method and waste energy recovery system: An oil cooler for cooling hydraulic oil that has increased in temperature due to energy loss in a hydraulic circuit a radiator for cooling engine cooling water that has increased in temperature as a result of cooling an engine and an ATAAC for cooling engine intake air that has increased... Agent: Darby & Darby P.C.

20070074516 - Method of controlling bypass air split to gas turbine combustor: Disclosed herein is a method for controlling a bypass air split for a gas turbine combustor, the method comprising determining a target exhaust temperature, wherein the target exhaust temperature is based on at least one parameter of a group of parameters consisting of low pressure turbine speed, high pressure turbine... Agent: Cantor Colburn, LLP

20070074517 - Fuel nozzle having swirler-integrated radial fuel jet: A fuel nozzle for a turbine engine is disclosed. The fuel nozzle has a common axis, a body portion disposed about the common axis, a barrel portion located radially outward from the body portion. The fuel nozzle also has at least one swirler vane disposed between the body portion and... Agent: John Michael Westafer

20070074519 - Method and apparatus for controlling combustion device dynamics: A method for controlling a combustion dynamics level within a combustion device includes defining a high dynamics operating state at a first fuel split ratio. The first fuel split ratio is a ratio of an amount of fuel supplied to the combustion device through a first fuel line to a... Agent: John S. Beulick (17851)

20070074518 - Turbine engine having acoustically tuned fuel nozzle: A fuel nozzle for a turbine engine having a combustion chamber is disclosed. The fuel nozzle has a common axis, a body member, and a barrel member. The fuel nozzle also has a mixing duct and an air inlet duct, each with predetermined lengths. The fuel nozzle additionally has a... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070074520 - Combustion chamber of a gas turbine engine with an upstream fairing for separating the gas stream, annular wall forming a cap of the upstream fairing of the chamber, and gas turbine engine with the chamber: The present invention is concerned with an annular combustion chamber of a gas turbine engine with an external annular wall (31) and an internal annular wall (32), comprising an upstream fairing (9) for separating the gas stream at the inlet of the chamber into a combustion stream (6) and a... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.