Power plants inventions 08/07

20070199301 - Gas turbine engine fuel control system having start / back up check valve (sbuc) providing a main fuel check valve function: A fuel control system (10) for a gas turbine engine includes a main fuel inlet line (18), an auxiliary fuel inlet line (20) and an engine fuel outlet line (16). A first flow path extends from the main fuel inlet line (18) to the engine fuel outlet line (16) and... Agent: Honeywell International Inc.

20070199300 - Hybrid oxy-fuel combustion power process: A closed loop oxy-fuel combustion power generation cycle is disclosed. The closed cycle has a gas generator which combusts oxygen with a hydrocarbon fuel to produce a drive gas mixture of steam and carbon dioxide that drives a turbine directly with the drive gas mixture. The drive gas mixture then... Agent: Bradley P. Heisler Heisler & Associates

20070199299 - Combustion engine: A combustion engine that has at least a plurality of power strokes during a complete cycle of engine operation that is of compact packaging and Brayton cycle or modified Brayton cycle operable. In some embodiments, a piston-cylinder arrangement is used to compress air and deliver it to a combustion chamber... Agent: Boyle Fredrickson Newholm Stein & Gratz, S.c.

20070199302 - Zeolite-containing oxidation catalyst and method of use: Oxidation catalyst compositions for treating diesel exhaust include ceria and, optionally, alumina, each having a surface area of at least about 10 m2/g, and a zeolite, e.g., Beta zeolite. Optionally, platinum may be included in the catalytic material, preferably in amounts which are sufficient to promote some gas-phase oxidation of... Agent: Basf Catalysts LLC

20070199304 - Method and apparatus for controlling an internal combustion engine: In order to control an internal combustion engine, a fuel mass that is to be supplied to the respective cylinder is determined according to a load variable. An additional fuel mass to be measured once is determined, when the measuring signal of an oxygen probe arranged downstream from a three-way... Agent: Siemens Corporation Intellectual Property Department

20070199303 - Method for determining the instant at which a nitrogen oxide storage catalyst is switched from the storage phase to the regeneration phase and for diagnosing the storage properties of this catalyst: When a nitrogen oxide storage catalyst is being regenerated, the regeneration may be terminated for example as a result of a premature load change in the engine, which can lead to incomplete emptying of the storage catalyst. The residual filling level which remains in the catalyst following an incomplete regeneration... Agent: Kalow & Springut LLP

20070199308 - Exhaust emission purifying apparatus for engine: The present invention is directed to defrost a reducing agent with cooling water of an engine and to prevent water scale from being deposited and accumulated on a cooling water pipe for circulating the cooling water. A frozen reducing agent is defrosted by being heated with cooling water of an... Agent: Mcdermott Will & Emery LLP

20070199309 - Exhaust gas purification apparatus: An exhaust gas purification apparatus includes an NOx reduction catalytic converter disposed in an engine exhaust passage to reductively purify NOx in exhaust gas using ammonia or its precursor as a reducing agent, a first concentration sensor which detects an ammonia concentration in an exhaust gas moving on a downstream... Agent: Mcdermott Will & Emery LLP

20070199307 - Method for determining nox reduction ratio in exhaust emission control device: When urea water U is injected by an addition nozzle 7 upstream of NOx reduction catalyst 6 incorporated in an exhaust passage 5 of a diesel engine 1 so as to reduce and purify NOx in exhaust G, both a value measured by a NOx concentration sensor 9 upstream of... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070199306 - System having multiple valves operated by common controller: A control system for a power system is disclosed. The control system has a first valve mechanism, a second valve mechanism, and a controller in communication with the first and second valve mechanisms. The controller is configured to direct a single electronic control signal to the first and second valve... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070199310 - Particulate trap regeneration system and method: A particulate trap regeneration system has an exhaust pipe that is connected between an engine and a particulate trap and an air pump that is connected to the exhaust pipe near the engine. The exhaust pipe has a double-walled configuration where the exhaust travels within the pipe and air from... Agent: Anna M. Shih

20070199311 - Flexible exhaust emission aftertreatment system for compression cycle diesel engines: An apparatus for the reduction of nitric oxides (NOx) and particulate matter of exhaust emissions from a diesel engine having an electronic control module. The apparatus includes a first treatment device for reducing particulate matter and a second treatment device for reducing NOx emissions from the engine exhaust. The apparatus... Agent: Rader, Fishman & Grauer PLLC

20070199312 - Particulate trap regeneration temperature control system: In one aspect, the present disclosure is directed to a particulate trap regeneration temperature control system. The system may include a particulate trap configured to remove one or more types of particulate matter from an exhaust flow of an engine. The system may also include a heating system configured to... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070199314 - System for positioning a piston including a fail fixed valve for holding the piston in position during a power interruption and method of using same: A controlled piston (20, 62, 102) having a first end (24, 64, 104) mounted in a controlled piston sleeve (22) and a spool (16) movably mounted in a spool sleeve (18), a first fluid passage (40, 66, 108) from the spool (16) to the controlled piston first end (24, 64,... Agent: Honeywell International Inc.

20070199315 - Apparatus and methods for actuation: A first fluid pump (A) is in fluid communication with the extend chamber and the retract chamber and is arranged to transfer therebetween volumes of fluid substantially equal in magnitude to changes in the volume of the retract chamber resulting from movement of the actuator piston within the actuator chamber.... Agent: Lowe Hauptman & Berner, LLP

20070199316 - Hybrid powertrain with valve assembly for dual pumps: A powertrain includes a first pump and a second pump. A conduit defines a passageway for providing hydraulic pressure from the first pump or the second pump to a transmission. A valve assembly is configured to selectively supply hydraulic pressure to the passageway solely from the first pump, solely from... Agent: General Motors Corporation Legal Staff

20070199317 - Arrangement for recirculation of exhaust gases of a super-charged internal combustion engine: The present invention relates to an arrangement for recirculation of exhaust gases in a supercharged combustion engine. The arrangement comprises an exhaust line intended to lead exhaust gases out from the combustion engine, an inlet line intended to lead air at above atmospheric pressure to the combustion engine, a return... Agent: Ostrolenk Faber Gerb & Soffen

20070199318 - Engine bleed air passage and method: An internal combustion engine (100) includes a turbocharger having a turbine (108) and a compressor (118) with an air inlet (120) and a charge air outlet (119). An electronic actuator (200) has an internal cavity (226). An intake manifold (104) is in fluid communication with the charge air outlet (119)... Agent: International Engine Intellectual Property Company

20070199320 - Flexible engine cooling and exhaust gas temperature controls for diesel after-treatment regeneration and engine performance improvement: System, methods, and strategies for regulating charge air temperature in an intake manifold of an internal combustion engine (50) by controlling the flow rate and temperature of liquid engine coolant flowing through a liquid flow path of a charge air cooler (72) that is in heat exchange relationship with charge... Agent: International Engine Intellectual Property Company

20070199319 - System and method for controlling engine charge air temperature: A bypass (26) around a charge air cooler (20) and a control system (28) for apportioning the amounts of charge air passing through the bypass and the charge air cooler.... Agent: International Truck Intellectual Property Company,

20070199322 - Method and system for calculating brake torque produced by a turbocharged engine: Torque being produced by a turbocharged internal combustion engine (12) during acceleration under load is calculated by processing (34) a value for actual boost MAP and a value MAP_NOMINAL selected from a map (32) that contains data values for boost that would prevail during steady state engine operation at a... Agent: International Engine Intellectual Property Company

20070199323 - Heat pump, heat pump system, method of pumping refrigerant, and rankine cycle system: A Rankine cycle system has a condenser, a heat pump connected to the condenser, a heat collecting device connected to the heat pump, and an expansion turbine connected to the heat collecting device and the condenser. The heat pump includes an expansion tank or closed vessel, a refrigerant supply conduit... Agent: Rossi, Kimms & Mcdowell LLP.

20070199324 - Combustor: A punched metal plate 51 is constructed so as to be in a ring shape covering a space between the outside wall of the combustor basket 2a and the inside wall of the external cylinder 2c and at the same time is constructed to be a perforated plate having a... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070199325 - Combustor: A sleeve 2e having the length of the side surface thereof made longer at a position away from the compressor outlet 11 is connected to the upstream-side end of an external cylinder 2c. By this sleeve 2e, compressed air flowing along the inside wall surface of a casing 4 flows,... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070199326 - Combustor: By installing a cylinder 53 having a bell-mouth construction to the downstream side of a combustor basket 2a, compressed air flowing between the combustor basket 2a and an external cylinder 2c is throttled. In addition, by having a cross section of the downstream-side end surface of the cylinder 53 shaped... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070199327 - Combustor: By installing a cylinder 53x having a bell-mouth construction to the downstream side of a combustor basket 2a and by providing different level to the downstream-side end of the cylinder 53x, notches 60 are constructed. The notches 60 form fixed vortices in the compressed air, and the vortices enable the... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070199328 - System for identification of hot and cold chambers in a gas turbine combustor: A system for ranking combustion chambers in a gas turbine in order of chamber combustion temperature including: at least one fuel nozzle supplying fuel to the combustion chambers at a predetermined fuel rate abnormally near a lean blow out (LBO) condition of the chambers; at least one dynamic pressure sensor... Agent: Nixon & Vanderhye P.C.

20070199330 - Methods and systems of variable extraction for gas turbine control: A method of controlling a load of a gas turbine engine that is part of an integrated gasification combined-cycle power generation system, which includes an air separation unit, that includes the steps of: (1) extracting an amount of compressed air that is compressed by a turbine compressor; (2) supplying the... Agent: Sutherland Asbill & Brennan LLP

20070199331 - Power transmission arrangement: A power transmission arrangement comprises a first power transmission member connectable to a first main shaft of an engine. The arrangement also includes a second power transmission member connectable to a second main shaft of the engine and to a third power transmission member. A coupling assembly is provided which... Agent: Manelli Denison & Selter

20070193249 - Air pressure control device in integrated gasification combined cycle system: Air bled from an air compressor of a gas turbine is taken into a booster via an inlet guide vane. Air compressed by the booster is supplied to a gasifier via an air supply valve. An air pressure controller controls the opening of the inlet guide vane by feedback control... Agent: Birch Stewart Kolasch & Birch

20070193251 - Eldridge enjet - engine exhaust jet nozzle - an exhaust gas dispersal and dilution method and apparatus for internal combustion engines: According to the embodiments of the Eldridge ENJET—Engine Exhaust Jet Nozzle invention, the method and apparatus include an external plenum, support spool, fan, and nozzle assembly that is sleeved over and mounted at the discharge end of an internal combustion engine exhaust silencer or pipe for the purpose of creating... Agent: Locke Liddell & Sapp LLP Attn:IPDocketing

20070193254 - Combustion engine exhaust after-treatment system incorporating syngas generator: A combustion engine exhaust after-treatment system includes a syngas generator for producing a syngas stream. The syngas stream is supplied to one or more parts of the engine system resulting in reduced emissions and/or reduced fuel consumption. The syngas generator produces a syngas stream via chemical reaction of the engine... Agent: Mcandrews Held & Malloy, Ltd

20070193252 - Exhaust aftertreatment device with star-plugged turbulator: An exhaust aftertreatment device has a turbulator provided by a tube having a perforated star-plugged downstream end.... Agent: Andrus, Sceales, Starke & Sawall, LLP

20070193255 - Liquid reducing agent injection nozzle having novel structure: The present invention relates to a structure of a liquid reducing agent injection nozzle in an exhaust emission purifying system arranged to inject and supply a liquid reducing agent into an exhaust flow passage so as to reduce and purify NOx in exhaust gas. A nozzle tip end portion of... Agent: Baker & Hostetler LLP

20070193253 - Method for controlling exhaust emission control device: When urea water U is injected by an addition nozzle 7 upstream of a NOx reduction catalyst 6 incorporated in the passage 5 so as to reduce and purify NOx in exhaust gas G, a target adsorption amount curve is set by shifting to lower temperature side a saturated adsorption... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070193256 - Regeneration controller for exhaust purification apparatus of internal combustion engine: A regeneration controller for an exhaust purification apparatus (36, 38) of an engine (2) that appropriately burns particulate matter accumulated in the exhaust purification apparatus. The regeneration controller includes an ECU (70) that determines whether an estimated accumulation amount (PMsm) of particulate matter deviates from an actual accumulation amount. When... Agent: Kenyon & Kenyon LLP

20070193258 - Controlling engine operation during diesel particulate filter regeneration to avoid runaway: A motor vehicle diesel engine (10) has an exhaust system (16) having a diesel particulate filter (18) that traps particulate matter in engine exhaust gases passing through the exhaust system. A control system (22) processes certain data to control engine and diesel particulate filter operation. In response to driver release... Agent: International Engine Intellectual Property Company

20070193257 - Method and device for the counterpressure-safe separation out and elimination of particles from fluid streams: A method for operating a filter includes forcibly passing a stream of a fluid through a filter wall of the filter from a raw gas side to a clean gas side of the filter so as to separate out particles and particle constituents from the stream, wherein the particles and... Agent: Davidson, Davidson & Kappel, LLC

20070193259 - Hydraulic apparatus, system and method for positioning an engine exhaust flow control valve: A hydraulic assembly and method for use with an vehicle engine exhaust flow control valve for controlling flow to at least one intake supply. The assembly has an actuator, such as a spring return piston cylinder, for positioning the control valve. An inlet passage, communicating with the cylinder, is arranged... Agent: Intellectual Property Honeywell International Inc.

20070193262 - Load control device for engine of work vehicle: A load control device for an engine of a work vehicle that purposes to render the work vehicle, such as a wheel loader or the like, capable of raising a vehicle speed in a short period of time by providing a sufficient traction force when a high traveling load is... Agent: Welsh & Katz, Ltd

20070193263 - Displacement control signal correction method, displacement control device, construction machine and displacement control signal correction program: The present invention includes: a displacement altering means 4 for generating a displacement control pressure P corresponding to a displacement control signal i; an input means 12 for inputting a target displacement θ; a pressure calculating means 10 for calculating a displacement control pressure P corresponding to the target displacement... Agent: Crowell & Moring LLP Intellectual Property Group

20070193264 - Hydrostatic transmission with external manifold: A hydrostatic transmission including a hydraulic pump, a hydraulic motor, and an external manifold surrounded by and in contact with air for connecting the hydraulic pump and a hydraulic motor. The external manifold facilitates heat transfer from hydraulic fluid flowing therein to the surrounding air. The design of the hydrostatic... Agent: Renner, Otto, Boisselle & Sklar

20070193265 - Wave power device: Wave-power device, with a plurality of floating bodies (12) arranged in at least two parallel rows for vertical movement caused by wave movements. Each floating body is connected to a generator (22) for the generating of electrical energy during the vertical movement. The floating bodies are jointed to a raft... Agent: Dennison, Schultz & Macdonald

20070193266 - Multi-cylinder free piston stirling engine: A Stirling engine machine comprises a plurality of opposing pairs of cylinder modules. Each cylinder module comprises a first end, a second end, and a piston moveable along a longitudinal axis extending between the first and second ends. The opposing pairs of cylinder modules have axes that are substantially aligned... Agent: Knobbe Martens Olson & Bear LLP

20070193267 - Electrical actuator having smart muscle wire: An electrical actuator is characterized by applying electrical current directly to a smart wire to produce an output motion. The smart wire is looped around a drive member that is engaged with a moveable member, fixed at both ends to electrical terminals, and contains one or more coils between the... Agent: Delphi Technologies, Inc.

20070193269 - Engine configuration including an internal combustion engine: An engine configuration includes an internal combustion engine with a plurality of cylinders, at least one turbocharger and a first and a second exhaust gas tract. A turbine of the at least one turbocharger is associated with the first exhaust gas tract. Increased torque and increased power can be achieved... Agent: Manfred Beck, P.A.

20070193268 - Turbocharger with liquid-cooled center housing: A turbocharger comprises a center housing interposed between a compressor housing and a turbine housing. A shaft is disposed within the center housing and has a turbine wheel attached at one end and a compressor impeller attached at an opposite end. The center housing includes an internal liquid cooling passage... Agent: Honeywell Turbo Technologies

20070193270 - Turbocharged exhaust gas recirculation system: An exhaust recirculation system includes a power source including at least one cylinder outputting exhaust gas and a particulate reducing device fluidly connected to at least one exhaust duct of the power source. The particulate reducing device is configured to reduce an amount of particulates in the exhaust gas. The... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070193271 - Methods of generating exergy: The invention relates to a process for transforming energy into exergy by supplying heat to a vaporous working substance subjected to an expansion and compression cycle and by obtaining the exergy in the expansion stage of the cycle. The cycle is performed in a single phase area of the vaporous... Agent: Kenyon & Kenyon LLP

20070193272 - Gas turbine engine fuel injector: A fuel injector for a gas turbine engine includes a support member having a fuel discharge nozzle proximal an end thereof, a first tubular heat shield disposed about a length of the support member to form a thermal insulating space therebetween, and a second tubular heat shield disposed about the... Agent: Mr. Edward J. Timmer

20070193273 - Method and apparatus for gas turbine engines: A method for fabricating a gas turbine engine combustor that includes a domeplate and at least one fuel injector extending through an opening in the domeplate. The method includes fabricating a heatshield that includes a threaded collar extending upstream from the heatshield, positioning the heatshield on a downstream side of... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070193274 - Methods and apparatus for assembling gas turbine engines: A combustor assembly is provided. The combustor assembly includes a combustion chamber and at least one transition portion extending downstream from the combustion chamber to facilitate channeling combustion gases from the combustor assembly. The assembly also includes at least one air control system coupled to the at least one transition... Agent: John S. Beulick (17851)

20070193275 - Method and apparatus for generating compressed air from liquefied air, for supplying compressed air to an engine: An engine unit, particularly for urban transport, comprising an engine (3) supplied with a compressed gas and having a expansion chamber (9), a liquid gas tank (28) in communication with the engine (3), and means (M, M′) for gasifying the liquid gas, which are interposed between the liquid gas tank... Agent: Akerman Senterfitt

20070193276 - Supercore sump vent pressure control: Method and apparatus for controlling sump pressurization in a gas turbine bearing sump by controllably restricting or actively venting air flow from said sump cavity to maintain a continuous air flow from said sump cavity through a sump vent in all operating conditions.... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070193277 - Multiple auxiliary power unit system inlet ducts controlled by a single actuator: An auxiliary power unit (APU) compartment air inlet system seals, via one or more inlet doors driven by a single actuator, an APU compartment, and isolates the APU inlet and cooling system inlets from each other. The system includes either one or two inlet doors, depending on the number of... Agent: Honeywell International Inc.

20070186534 - Particle separators for gas turbine engines: A particle separator for use in connection with a gas turbine engine is disclosed. The particle separator extends circumferentially less than 360 degrees between a first end and a second end. In one embodiment, an inner scavenge conduit is spaced radially inward from an outer scavenge conduit. An inlet can... Agent: Krieg Devault LLP

20070186535 - Double bypass turbofan: A variable cycle turbofan engine includes first and second fans independently joined to respective turbines. A first bypass duct surrounds a core engine disposed in flow communication with the second fan. A second bypass duct surrounds the first bypass duct in flow communication with the first fan. A first exhaust... Agent: Francis L. Conte, Esq.

20070186536 - Exhaust gas control apparatus for internal combustion engine: In an exhaust gas control apparatus for an internal combustion engine, in a case where an internal combustion engine is in a high load operating state while a PM trapping ability forcible recovery process for a particulate filter is being performed, EGR gas is caused to flow back from a... Agent: Oliff & Berridge, PLC

20070186540 - Expanded mixture control for reducing exhaust-gas emissions: In a method and device for mixture control for an internal combustion engine having at least one catalytic converter disposed in an exhaust system of the internal combustion engine and a λ-closed-loop control, a value being ascertained for the loading of the catalytic converter with oxygen and the mixture being... Agent: Kenyon & Kenyon LLP

20070186541 - Method for controlling an internal combustion engine: The invention relates to a method for controlling an internal combustion engine with a motor control system that adjusts the exhaust-gas temperature by influencing the air-fuel mixture. Said motor control system has a temperature model so as to determine a preset temperature for a component in the exhaust manifold, which... Agent: Siemens Corporation Intellectual Property Department

20070186539 - Method for controlling turbine outlet temperatures in a diesel engine: A method and system for controlling an exhaust temperature for an internal combustion engine is disclosed. The method and system comprise determining a range of acceptable charge flows within the internal combustion engine to meet a desired exhaust temperature. The method and system further comprise controlling the charge flows to... Agent: Sawyer Law Group LLP

20070186538 - Method for controlling turbine outlet temperatures in a diesel engine at idle and light load conditions: A method and system for controlling an exhaust temperature for an internal combustion engine at idle and light load conditions is disclosed. The method and system comprise determining a desired range of fuel consumption within the internal combustion engine to meet a desired exhaust temperature. The method and system further... Agent: Sawyer Law Group LLP

20070186537 - System and method to operate fuel cell in the exhaust of an internal combustion engine: A method for operating an international combustion engine, the engine also includes a first cylinder, a second cylinder, an exhaust system, and a fuel cell in the exhaust system. The method comprises operating the first cylinder lean to provide air to the fuel cell during at least one condition; and... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20070186543 - Arrangement for the dosed injection of a reducing medium into the exhaust tract of an internal combustion engine: In an arrangement for the dosed injection of a reducing agent into the exhaust tract of an internal combustion engine, comprising a pump for the pulsed pumping of the reducing agent and an atomizing injection nozzle disposed in the exhaust tract of the internal combustion engine, the injection nozzle includes... Agent: Klaus J. Bach

20070186542 - Exhaust gas purification apparatus of engine: A liquid reducing agent of a necessary amount according to an engine operating condition is injection-supplied from a nozzle having an injection hole opening to inside an exhaust gas passage, positioned on an exhaust gas upstream side of a nitrogen oxide reduction catalyst. On the other hand, when an injection... Agent: Mcdermott Will & Emery LLP

20070186544 - Catalytic device with fuel cell portion and catalytic conversion portion: An apparatus comprising an internal combustion engine, an exhaust system for conducting exhaust emitted by the engine, and a catalytic device associated with the exhaust system is disclosed, wherein the catalytic device comprises a catalytic conversion portion and a fuel cell portion.... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20070186545 - Catalytic device with fuel cell portion and catalytic conversion portion: An apparatus comprising an internal combustion engine, an exhaust system for conducting exhaust emitted by the engine, and a catalytic device associated with the exhaust system is disclosed, wherein the catalytic device comprises a catalytic conversion portion and a fuel cell portion disposed within an interior of the catalytic device,... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20070186546 - Manifold mounted catalytic converter: A combination exhaust manifold and catalytic converter wherein the catalytic converter is in the form of a removable and replaceable cartridge mounted within an opening of an exhaust manifold. This cartridge is supported within the opening of the exhaust manifold by sealing rings and retained within the opening by a... Agent: Wood, Herron & Evans, LLP

20070186547 - Object separating apparatus using gas: An object separating apparatus using gas comprising a hollow housing of which closed end is connected to a first object and the other end is opened, a cylinder movably installed at an inner space of the housing in an axial direction of the housing, a piston assembly coupled to the... Agent: Ostrolenk Faber Gerb & Soffen

20070186548 - Hydraulic regeneration system: A hydraulic system for a work machine is provided. The hydraulic regeneration system has a tank, a primary source, a first actuator, an accumulator, and a first valve mechanism. The tank is configured to hold a supply of fluid. The primary source is configured to pressurize the fluid and has... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070186549 - Working vehicle comprising a hydrostatic transmission: A flywheel 2 and an HST unit 5 are accommodated in a flywheel housing 13 of a working vehicle, the HST unit 5 comprising an oil hydraulic motor 9, an oil hydraulic pump 10, an oil hydraulic circuit block 17 containing an oil hydraulic circuit therein and supporting one end... Agent: Knobbe Martens Olson & Bear LLP

20070186550 - Hydraulic transaxle and hydraulically driven vehicle: A hydraulic transaxle comprises: an axle; a hydraulic pump driven by a prime mover; a hydraulic motor fluidly connected to the hydraulic pump so as to drive the axle; a bypass fluid circuit bypassing between suction and delivery ports of the hydraulic motor; a bypass valve provided in the bypass... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070186551 - Exhaust-gas turbocharger: The invention relates to an exhaust-gas turbocharger (1) for an internal combustion engine, said turbocharger comprising a device (26) for detecting the speed of the turbocharger shaft (5). The device (26) for detecting the speed comprises an element (21) for varying a magnetic field, which is located on and/or in... Agent: Cohen, Pontani, Lieberman & Pavane

20070186552 - Method for optimizing the utilization ratio in a drive unit and drive unit: The invention relates to a method for optimizing engine braking in a drive unit, particularly used for motor vehicles, comprising an internal combustion engine consisting of a crankshaft, and an exhaust gas turbine which is connected to a crankshaft via a transfer device. A hydrodynamic coupling is arranged in the... Agent: Ohlandt, Greeley, Ruggiero & Perle, LLP

20070186553 - Thermo-driven engine: A thermo-driven engine includes cylinders and at least one hydraulic motor. Each cylinder contains an air chamber and a hydraulic chamber therein. A piston is disposed between both chambers. The air chamber is intermittently heated to create pressure difference in the air chamber of the cylinder to force the piston... Agent: Rosenberg, Klein & Lee

20070186554 - Thermal hydro-machine on hot gas with recirculation: The thermal hydro-machine on hot gas with recirculation (FIGS. 3, 4 and 5) belongs to the group of multi-cylinder piston rotational machines for converting the heat into the mechanical work. The heat is conducted to on the outer side of one part of rotational tubular heat exchanger (1) and is... Agent: Kalow & Springut LLP

20070186555 - Convergent divergent nozzle with supported divergent seals: A nozzle system includes a multitude of circumferentially distributed divergent seals that circumscribe an engine centerline. Each divergent seal includes an interface between a forward seal bridge bracket and an aft seal bridge bracket with a forward bridge support and an aft bridge support which provides axial and radial support... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20070186556 - Methods and apparatus for operating a pulse detonation engine: A method for operating a pulse detonation engine, wherein the method includes channeling air flow from a pulse detonation combustor into a flow mixer having an inlet portion, an outlet portion, and a body portion extending therebetween. The method also includes channeling ambient air past the flow mixer and mixing... Agent: John S. Beulick (12764)

20070186557 - Pressure control method and system to reduce gas turbine fuel supply pressure requirements: A system and method to reduce the gas fuel supply pressure requirements of a gas turbine, which results in an increased operability range and a reduction in gas turbine trips. According to the method, the gas turbine is allowed to start and operate at supply pressures determined as a function... Agent: Nixon & Vanderhye P.C.

20070180812 - Approach to extending life of gas turbine engine: Apparatus and methods are disclosed for increasing lifetimes of components in a gas turbine engine. Ordinarily, components are replaced after they experience a certain number of thermal cycles, or a certain operating temperature limit is exceeded. Under one form of the invention, the components are not replaced at that time,... Agent: Steven J. Rosen Patent Attorney

20070180813 - Gas turbine engine fuel system with fuel metering valve: A gas turbine engine fuel metering valve is configured to move within an operating position range having a first end position for establishing a first fuel flow rate, a second end position for establishing a second fuel flow rate, and an intermediate position located between the first and second end... Agent: Krieg Devault LLP

20070180811 - Multiple tube pulse detonation engine turbine apparatus and system: A pulse detonation combustor (PDC) assembly includes an upstream chamber forming an inlet plenum, a downstream chamber including a downstream portion of at least one PDC tube, and an integrated PDC head coupled to the upstream chamber and the downstream chamber. The integrated PDC head is configured to facilitate fuel... Agent: General Electric Company Global Research

20070180810 - Pulse detonation combustor with folded flow path: A pulsed detonation combustor (PDC) is described. The PDC includes an outer casing defining a first hollow chamber configured to receive a flow and an inner liner. The inner liner includes at least one portion positioned within the first hollow chamber and configured to receive the flow from a plenum... Agent: General Electric Company Global Research

20070180814 - Direct liquid fuel injection and ignition for a pulse detonation combustor: A system for generating thrust is provided. The system includes a first injector, an inner tube configured to receive fuel from the first injector via a first port of the inner tube, where at least a portion of fuel in liquid phase received by the inner tube is configured to... Agent: General Electric Company Global Research

20070180815 - Compact, low pressure-drop shock-driven combustor and rocket booster, pulse detonation based supersonic propulsion system employing the same: A supersonic propulsion system is provided. The supersonic propulsion system includes a plurality of systems for efficiently creating cyclic detonations and at least one rocket booster device. Each of the systems include at least a first initiator chamber configured to generate an initial wave, at least one main chamber coupled... Agent: General Electric Company Global Research

20070180816 - Exhaust emission purifying apparatus for engine: A NOx reduction catalyst and an ammonia slip oxidation catalyst are disposed in an exhaust system in this order, and also, an electric fan is disposed on piping which communicates an upper space of a storage tank storing therein a reducing agent with the exhaust upstream of the NOx reduction... Agent: Mcdermott Will & Emery LLP

20070180817 - Exhaust cleaning-up device for internal combustion engine for vehicle: In an exhaust system, there are provided an HC absorbent which absorbs HC contained in exhaust when in a specified low-temperature range and desorbs the absorbed HC when it exceeds said low-temperature range, and a catalyst capable of at least removing HC by oxidation, where the catalyst is arranged at... Agent: Birch Stewart Kolasch & Birch

20070180818 - Exhaust purifying apparatus for internal combustion engine: An exhaust purifying apparatus for an internal combustion engine includes an exhaust purifying mechanism, a fuel adding device, an electronic control device. The exhaust purifying mechanism is located in an exhaust passage and traps particulate matter. The fuel adding device adds fuel to exhaust gas that passes through the mechanism.... Agent: Kenyon & Kenyon LLP

20070180819 - Process and system for improving combustion and exhaust aftertreatment of motor vehicle engines: A diesel combustion engine system providing improved fuel combustion and exhaust aftertreatment includes: a diesel combustion engine having a liquid fuel intake, an air intake, a reformate intake, and an exhaust outlet; a liquid diesel fuel source in fluid communication with the liquid fuel intake and an on-board catalytic partial... Agent: Paul L. Marshall, Esq. Delphi Technologies, Inc.

20070180820 - Dual wall exhaust manifold and method of making same: The present invention provides an improved dual-wall exhaust manifold assembly. The assembly has inner shells welded together and welded to an inlet flange. Outer shells are inserted into a counterbore of the inlet flange. An outlet flange is slid over the inner shell. The inner shell and the outer shell... Agent: Mcdonald Hopkins Co., Lpa

20070180821 - Heavy-construction machine: A heavy-construction machine (1) including a working implement (5) having one or a number of arms (6) articulated with regard to the chassis (2) of the machine. An assembly consisting of at least one hydraulic cylinder (7) that causes the working implement (5) to move relative to the chassis (2)... Agent: Novak Druce & Quigg, LLP

20070180822 - Hydraulic transaxle for garden care vehicle: A hydrostatic transmission assembly includes a first gerotor motor, a pump housing, a first variable displacement pump, a second gerotor motor, and a second variable displacement pump. The first gerotor motor includes a first output shaft aligned along a first axis. The pump housing connects to and contacts the first... Agent: Timothy E. Nauman, Esq. Fay, Sharpe, Fagan, Minnich & Mckee, LLP

20070180823 - Wave energy device: A wave energy device in the form of a self buoyant heave-resistant vessel (10) comprising two or more discrete flow paths into which water can be urged by wave action and a bi-directional energy extractor in fluid communication with said path(s) and atmosphere, arranged to extract energy from air movements... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20070180825 - Exhaust gas turbocharger for an internal combustion engine: In an exhaust gas turbocharger for an internal combustion engine including an exhaust gas turbine in the exhaust line and a compressor in the intake tract of the internal combustion engine, and the exhaust gas turbine includes a gas inlet passage with a variable guide vane structure supported on one... Agent: Klaus J. Bach & Associates Patents And Trademarks

20070180826 - Exhaust gas turbocharger for a reciprocating internal combustion engine and corresponding reciprocating internal combustion engine: In an exhaust gas turbocharger for a reciprocating internal combustion engine comprising an exhaust gas turbine in the exhaust line and a compressor in the inlet line of the engine, the exhaust gas turbine has two exhaust gas flow passages, by way of which exhaust gas is fed to the... Agent: Klaus J. Bach

20070180828 - Combustor liners: A combustor liner for use in a gas turbine engine includes a first liner section and a second liner section. They are joined together by welding or a mechanical fixing along a common join line or weld. A heat shield extends along the join line to protect it from the... Agent: Kirschstein, Ottinger, Israel & Schiffmiller, P.C.

20070180827 - Gas turbine engine transitions comprising closed cooled transition cooling channels: A transition (200) for a gas turbine engine (100) comprises a transition wall (201) comprising cooling channels (213L, 213R, 223L, 223R) that are adapted to pass a cooling fluid, such as compressed air from a compressor (102) during operation of the gas turbine engine (100) so as to cool combusted... Agent: Siemens Corporation Intellectual Property Department

20070180829 - Methods and apparatus for fabricating gas turbine engine combustors: A method for fabricating a dome assembly for a gas turbine engine combustor includes forming an annular dome plate including a plurality of substantially circular eyelets circumferentially spaced thereon, coupling a seal plate to the dome plate at each eyelet such that an opening defined in each seal plate is... Agent: John S. Beulick (12729) C/o Armstrong Teasdale LLP

20070180830 - System for reducing oil consumption in gas turbine engines: A system for reducing oil usage from a sump in a gas turbine engine. Two sources of oil usage, which usage includes leakage and consumption, have been identified: (1) during idle, leakage of oil from an oil sump through seals and (2) during high-power operation, consumption of oil entrained in... Agent: General Electric Company

20070180831 - Fuel flow tuning for a stage of a gas turbine engine: A method and system for controlling combustion in a gas turbine engine (10) includes reducing an overall fuel flow provided to a stage (22) of burners (e.g. 34, 35) of the gas turbine engine until reaching a predetermined dynamic operating condition of the first burner of the stage. The method... Agent: Siemens Corporation Intellectual Property Department

20070180832 - Compact, low pressure-drop shock-driven combustor: A system for efficiently creating cyclic detonations is provided. The system includes at least a first initiator chamber configured to generate an initial wave, at least one main chamber coupled to the first initiator chamber. The main chamber is configured to generate a main wave and to output products of... Agent: General Electric Company Global Research

20070180833 - Methods and apparatus for controlling air flow within a pulse detonation engine: A flow control device for use with a pulse detonation chamber including an inlet coupled in flow communication with a source of compressed air. The inlet extends at least partially into the chamber to facilitate controlling air flow into the chamber. The device also includes a body portion extending downstream... Agent: General Electric Company Global Research

20070175201 - Power system: A power system includes a rotary compressor. The power system may also include one or more power sources drivingly connected to the rotary compressor, the one or more power sources not including a turbine. Additionally, the power system may include a turbine, the turbine being free to rotate independently of... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070175202 - Axial flow positive displacement worm compressor: An axial flow positive displacement compressor has an inlet axially spaced apart and upstream from an outlet. Inner and outer bodies have offset inner and outer axes extend from the inlet to the outlet through first and second sections of a compressor assembly in serial downstream flow relationship. At least... Agent: Steven J. Rosen Patent Attorney

20070175203 - Method and system of directing exhaust gas: A method of directing flow of exhaust gas includes directing a first portion of the flow through a first flow path and directing a second portion of the flow through a second flow path. A temperature of at least a portion of the flow in the first flow path is... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070175208 - Exhaust gas aftertreatment installation and method: An exhaust gas aftertreatment installment and associated exhaust gas aftertreatment method utilizes a nitrogen oxide storage catalytic converter and an SCR catalytic converter. A particulate filter is provided upstream of the nitrogen oxide storage catalytic converter or between the latter and the SCR catalytic converter or downstream of the SCR... Agent: Crowell & Moring LLP Intellectual Property Group

20070175206 - Nox adsorber aftertreatment system for internal combustion engines: The present invention provides for an NOx adsorber aftertreatment system for internal combustion engines which utilizes a parallel arrangement of an adsorber catalyst and a bypass. The exhaust flow from the engine is routed through the adsorber during lean operation. At a predetermined regeneration time (for example, when the adsorber... Agent: Krieg Devault LLP

20070175207 - Procedure and device to control a reducing agent generation system: The invention concerns a procedure to control a reducing agent generation system of an internal combustion engine, in which the reagent substance is generated in the form of pulses by the reducing agent generation system and is delivered to an exhaust gas duct of the internal combustion engine in front... Agent: Merchant & Gould PC

20070175204 - Scr muffler: An SCR muffler retains the heat of a reducing agent, etc., supplying nozzle and an exhaust pipe, thereby preventing the reduction of the efficiency of an SCR catalyst purging nitrogen oxide (NOx) even at low temperatures and improving the durability of the reducing agent, etc., supplying nozzle. The SCRmuffler comprises... Agent: Harness, Dickey & Pierce, P.L.C

20070175205 - System for selective homogeneous charge compression ignition: A method of operating an internal combustion engine may include selectively operating the engine in a first mode of operation, wherein fuel may be injected into compressed fluid to create a substantially heterogeneous mixture of fuel and compressed fluid, and fuel may be ignited by the heat of the compressed... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070175209 - Hydraulic system having in-sump energy recovery device: A hydraulic energy recovery device for a hydraulic system is disclosed. The hydraulic energy recovery device has a first impeller configured to receive a flow of pressurized liquid, and a second impeller configured to pressurize a flow of liquid. The hydraulic energy recovery device also has a common shaft connecting... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070175210 - Control and adjustment system for a lifting and tilting mechanism of a working tool in a mobile machine: The invention relates to a control and adjustment system for a lifting mechanism (100) of a loading blade (6) in a mobile machine tool. Said lifting mechanism is made up of at least one first and second blade cylinder (1, 2), at least one first and second lifting cylinder (61,... Agent: Scully, Scott, Murphy & Presser, P.C.

20070175212 - Fluid machine for rankine cycle: It is an object to provide a fluid machine, which is simple in structure and in which lubricating oil containing smaller amount of the working fluid is supplied to sliding portions of an expansion device. The fluid machine has the expansion device for generating a driving force by expansion of... Agent: Harness, Dickey & Pierce, P.L.C

20070175213 - Shape memory alloy actuator: A controller (44) for a SMA actuator (2) includes an electgric power source (46) for applying an electric current through an SMA element (8), a sensor (48) to detect change in an electric resistance of the element (8); and a regulator (50) for controlling the magnitude of the applied electric... Agent: Townsend And Townsend And Crew, LLP

20070175214 - Turbocharger having divided housing with nozzle vanes: A turbocharger for a power system is disclosed. The turbocharger has a turbine wheel and a housing configured to at least partially enclose the turbine wheel. The housing has a first turbine volute configured to fluidly communicate exhaust gases with the turbine wheel, a second turbine volute configured to fluidly... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070175215 - Constant egr rate engine and method: An internal combustion engine (100) includes a first exhaust manifold (120), and a second exhaust manifold (118) fluidly connected to the first exhaust manifold (120) through an exhaust valve (122). An exhaust gas recirculation (EGR) cooler (124) constantly fluidly connects the second exhaust manifold (118) with an intake manifold (112).... Agent: International Engine Intellectual Property Company

20070175217 - Thermoacoustic thermomagnetic generator: The present invention is a thermoacoustic thermomagnetic generator 100. The generator includes a stator 5 that supports and channels magnetic fields. It further includes a magnetic field generator 2 that magnetically couples to the stator. In addition, the generator includes a magnetic circuit opening and closing member 1 that changes... Agent: Matthew J. Booth & Associates, PLLC

20070175218 - Combustionless vapor driven engine and its method of operation: A steam engine includes at least one piston and cylinder assembly. A fluid injector injects a liquid into the cylinder and onto a heated surface area of a heating element. The heating element may be a plate, coil or other such surface that is heated to a temperature exceeding a... Agent: Clarence E. Harrison Sr

20070175219 - Pilot combustor for stabilizing combustion in gas turbine engines: The subject application is directed to burners for gas turbine engines that use a pilot flame to assist in sustaining and stabilizing the combustion process. An embodiment of the disclosed burners includes, inter alia, a burner housing, a pilot combustor and a quencher. The burner housing has axially opposed upstream... Agent: Edwards & Angell, LLP

20070175220 - Gas turbine engine curved diffuser with partial impingement cooling apparatus for transitions: A curved diffuser (210) in a gas turbine engine (201) directs a primary portion of air flow from a compressor (202) through a curved discharge opening (213) into a plenum (220). The curved diffuser (210) also comprises ports (217) through which a secondary portion of air passes into confined space... Agent: Siemens Corporation Intellectual Property Department

20070175222 - Multipurpose gas generator ramjet/scramjet cold start system: A system for starting a ramjet/scramjet engine includes a gas generator for lighting a combustor of a ramjet/scramjet engine, for generating electrical power for vehicle subsystems, for pumping fuel, and for preheating the fuel. In accordance with the present invention, there is provided a method for cold starting a ramjet/scramjet... Agent: Bachman & Lapointe, P.C. (p&w)

20070175223 - Aircraft auxiliary gas turbine engine and method for operating: A non-aircraft-propelling auxiliary gas turbine engine installable in an aircraft having a cabin adapted to be pressurized. The auxiliary gas turbine engine includes an auxiliary-gas-turbine-engine compressor having an inlet, wherein the inlet is adapted to receive pressurized air from the cabin. A method for operating a non-aircraft-propelling auxiliary gas turbine... Agent: General Electric Company