Power plants inventions 05/06

20060107647 - Turbine, particularly useful for small aircraft: A turbine includes a combustion chamber with deflectors generating vortices in a secondary gas flow into the combustion chamber, thereby confining the flame front from penetrating into the cold region of the chamber under variable operating conditions, simplifying cooling of the chamber walls. The turbine further includes devices for decoupling...

20060107646 - Gas turbine electric power generation equipment and air humidifier: The present invention relates to an air humidifier for adding moisture to a working medium of a gas turbine for humidification, and gas turbine electric power generation equipment for driving the gas turbine by the working medium of high moisture to general electricity. An object of the present invention is...

20060107648 - Integrated air inlet system for multi-propulsion aircraft engines: An air inlet duct for an air-breathing combined-cycle aircraft engines is internally divided into separate channels for low-speed and high-speed components of the engine, and contains one or more movable panels that are fully contained within the duct and pivotal between an open position in which incoming air is directed...

20060107649 - Apparatus and method for clarifying exhaust gas of diesel engine: An apparatus for purifying an exhaust gas of a diesel engine, characterized in that it has an NOx adsorption and reduction type catalyst and a diesel particulate filter for oxidizing and removing particulate matters in the exhaust gas, which are provided in the flow route for the exhaust gas and...

20060107650 - Control apparatus of internal combustion engine: In an engine including an in-cylinder injector and an intake manifold injector, the fuel injection ratio between the injectors with respect to a total fuel injection quantity in the homogeneous combustion operation is normally set in accordance with the engine operation state (engine speed, load factor). Upon transition from the...

20060107651 - Nox discharge quantity estimation method for internal combustion engine: In an NOx discharge quantity estimation method for an internal combustion engine equipped with an EGR apparatus, the gas components (e.g., oxygen molecules and NOx) of intake gas taken into a combustion chamber are assumed to be uniformly distributed throughout the entire region of the combustion chamber. Under such assumption,...

20060107653 - Exhaust gas purification device for an internal combustion engine and exhaust gas purification method for an internal combustion engine: An internal combustion engine with an exhaust gas purification device is provided in which the NOx held in a NOx catalyst can be efficiently reduced and purified, and a sufficient amount of NOx can be reduced, thereby making it possible to regenerate the NOx catalyst over a wide range thereof....

20060107655 - Exhaust system: The present invention relates to an exhaust system for an internal combustion engine, in particular in a motor vehicle, having an exhaust line carrying exhaust gas away from the internal combustion engine and having a fuel injector for injecting fuel into the exhaust line. The fuel injector is mounted on...

20060107654 - Method and apparatus for reducing pollutants in engine exhaust: A transmural catalysis device allows for conversion of NOx into N2 in internal combustion engine exhaust. A reducing gas is delivered into exhaust tubes through a plurality of pores or channels in the walls of the exhaust tubes either continuously or periodically. Also disclosed are methods using the device for...

20060107652 - System for assisting regeneration of a storage/releasing nox trap for a motor vehicle diesel engine: A system for assisting regeneration of a storage/release NOx trap integrated in an exhaust line (5) of a motor vehicle diesel engine (4) is characterized in that it comprises gas admission means for admitting gas into the engine, means for injecting fuel (11) into the cylinders thereof in the form...

20060107656 - Exhaust gas after-treatment unit with countercurrent housing and corresponding process for exhaust gas after-treatment: An exhaust gas after-treatment unit, in particular for use close to an internal combustion engine of an automobile, includes a housing which contains at least one catalytic converter surrounded by at least one substantially free flow-through return flow region. The catalytic converter has first and second end surfaces and hollow...

20060107657 - Method and apparatus for conversion of nox: The invention refers to a method and apparatus for converting NOx and comprises the step of controlling a temperature in a NOx-LNT by adsorbing NOx in the LNT at a temperature below a predetermined temperature value to a predetermined value being the maximum amount of NOx to be stored at...

20060107658 - Exhaust emission control device of internal combustion engine: An exhaust gas purifying system reliably detects an amount of accumulated particulates, lengthens forced regeneration intervals, and improves fuel efficiency. The exhaust gas purifying system comprises: a particulate filter 22 disposed in an exhaust system of an internal combustion engine 2 and collecting particulates from exhaust gas, and an NO2...

20060107659 - Metal sheet having a microstructure relieved of notching, carrier body having a plurality of sheets, and exhaust system having the carrier body: A metal sheet having a microstructure relieved of notching, a carrier body having a plurality of sheets, and an exhaust system having the carrier body, are distinguished by a particularly long useful life in an automobile. Moreover, it is possible to bring about flow profiles coordinated exactly with the respective...

20060107660 - Pump unit and hydrostatic transmission: There is provided a pump unit configured to be capable of transmitting a rotational power from a driving power source which is operatively connected thereto to an actuator through a pair of hydraulic fluid lines. The pump unit includes: an input shaft; a hydraulic pump main body; a PTO shaft;...

20060107661 - Printer having micro electro-mechanical nozzle actuators: An inkjet printer is provided comprising a body, an elongate support member mounted to the body and a plurality of printhead modules detachably mounted in series along the support member. The support member has a structural component for strengthening the member. Each printhead module is mounted to the support member...

20060107662 - Internal combustion engine with turbo charger and device for influencing the boost pressure of the turbo charger at low revs: An internal combustion engine arrangement (10) for a vehicle with a turbo charger (16) and configured for influencing the boost pressure of the turbo charger at low engine speeds. The arrangement includes a tank (32) for storing a pressure medium, a line (31) for supplying pressure medium to the turbo...

20060107663 - Small scale hybrid engine: This invention describes a miniaturized hybrid diesel-electric engine formed by a closed-loop system powered by plasma-aided combustion of JP-8 fuel (or other hydrocarbon fuels) working in tandem with a vapor cycle utilizing miniaturized expanders and condensers. The output of this engine is electric power and mechanical work. Water, or organic...

20060107664 - Thermal storage unit and methods for using the same to heat a fluid: A thermal storage unit having at least one conduit around which a cast is made is provided. The thermal storage unit uses conventional piping or tubing to create conduits that economically maximize the surface area of flow in contact with the thermal mass by proving multiple passes for the fluid...

20060107665 - Methods and systems for operating oxidizer systems: A method and system for operating a gas turbine engine is provided. The system includes in serial flow arrangement, at least one compressor, a combustor, and at least one turbine. The method includes compressing atmospheric air in the gas turbine engine, channeling at least a portion of the compressed air...

20060107666 - Method and apparatus for automatically actuating fuel trim valves in a gas: A gas turbine combustion system having: a plurality of combustion chambers; a plurality of fuel nozzles for each of combustion chamber; a plurality of manifolds for supplying fuel to at least one fuel nozzle in each of the combustion chambers; each of the manifolds having fuel trim control valves for...

20060107667 - Trapped vortex combustor cavity manifold for gas turbine engine: In accordance with one embodiment, the present technique provides a combustor assembly for use in a gas-turbine device. The combustor assembly includes a first combustion zone and a second combustion zone. The combustor assembly further includes a first premix chamber configured to receive a fuel and air to facilitate a...

20060107668 - Airfoil with supplemental cooling channel adjacent leading edge: An airfoil, and in a disclosed embodiment a rotor blade, has film cooling holes formed at a leading edge. A supplemental film cooling channel is positioned near the leading edge, but spaced toward the trailing edge from the leading edge. The supplemental film cooling channel directs film cooling air onto...

20060101802 - Air intake appliance for an aircraft engine: The invention relates to an air intake appliance for an aircraft engine. At least one channel wall (1) of the air intake appliance (20) is provided on at least a part of its inner surface with several essentially parallel ducts (2) arranged side by side for conducting hot gas along...

20060101801 - Combustor flow sleeve with optimized cooling and airflow distribution: Embodiments of the invention relate to a combustor flow sleeve for a turbine engine. The flow sleeve can be configured to optimize cooling and airflow distribution. The flow sleeve can include first and second sets of openings. A first set of openings can be provided for impingement cooling the areas...

20060101800 - Gas turbine engine system: An engine system comprises at least a first volumetric device, and a second volumetric device in which said second volumetric device is larger in volume than said first volumetric device, in which, during continuous flow of a compressible fluid from said first to said second volumetric device work is performed....

20060101803 - Reduced noise jet engine: A system for controlling a position of jet engine exhaust mixing tabs includes a plurality of exhaust mixing tabs spaced apart from one another and extending from a lip of an exhaust nozzle of a jet engine nacelle adjacent a flow path of an exhaust flow emitted from the exhaust...

20060101804 - Aircraft engine arrangement: In order to avoid external bulging (5) to accommodate accessory mechanisms (27) and gearboxes (30) to drive these mechanisms (27) in accordance with the present invention splitter fairings (26) are located within a bypass duct (23) of an engine (20). The bypass duct (23) is defined between a casing (21)...

20060101806 - Electrical thrust reverser tertiary lock system including a voltage limiting circuit: A system for moving an aircraft thrust reverser component includes a power drive unit, a thrust reverser actuator assembly, and a tertiary lock system. The power drive unit is operable to rotate and supply a rotational drive force. The thrust reverser actuator assembly receives the rotational drive force from the...

20060101805 - Floating flexible firewall seal: A seal assembly is provided for sealing an interface between a shaft and a bore formed in a firewall, where the shaft has an annular foot extending radially outward therefrom and a flowpath extending therethrough in fluid communication with the bore. The assembly includes a flexible annular seal, a ring,...

20060101807 - Morphing structure: An apparatus is provided that includes a body having a first wall and a second wall, at least one appending structure extending from an end of the body and at least one actuator positioned between the first and second walls. The actuator includes first end coupled to a portion of...

20060101808 - Engine self-diagnosis system: An engine self-diagnosis system capable of performing diagnosis of the light-off performance of a catalyst at a low cost and high accuracy without requiring addition or improvement of a sensor, etc. The engine self-diagnosis system comprises a unit for directly or indirectly detecting performance A of an exhaust cleaning catalyst...

20060101809 - Internal combustion engine comprising a reducing agent production unit and operating method therefor: An internal combustion engine with a reducing agent-generating unit for generation of an H2-containing and/or NH3-containing reducing gas, which can be added to an exhaust gas line upstream from an NOx reducing catalytic converter, and a procedure for the operation of such an internal combustion engine are proposed. The reducing...

20060101811 - Reducing agent metering system for reducing nox in lean burn internal combustion engines: A reducing agent metering system for delivering reducing agent to a lean burn internal combustion engine. The reducing agent metering system includes a metering system housing, a system for metering vaporized reducing agent to the internal combustion engine, the system positioned within the metering system housing and a system for...

20060101810 - System for dispensing fuel into an exhaust system of a diesel engine: A system is disclosed for dispensing fuel into the transient flow of an exhaust system to control exhaust emissions. A controller initiates the delivery of fuel into the exhaust when an emissions control device, such as a diesel particulate filter, requires increased exhaust temperatures for regeneration. In operation, pressurized fuel...

20060101812 - Exhaust catalyst system: A catalyst system that may regenerate while removing pollutants from an exhaust gas of an engine. The system may have a converter with multiple segments of chambers. At least one of the chambers may be regenerated while the remaining chambers are removing pollutants from the exhaust. The chambers may be...

20060101813 - Muffler device with catalysts for improving purifying exhaust gas of nitrogen oxides within a motorcycle exhaust pipe: A muffler device with catalysts for improving purifying exhaust gas of nitrogen oxides within a motorcycle exhaust pipe comprises a muffler divided into three chambers, a first chamber, a second chamber, and a third chamber; a front exhaust pipe; a front reduction catalyst; a rear exhaust pipe provided with a...

20060101814 - Combustor of a gas turbine: In a combustor of a gas turbine which has a pilot nozzle being installed to the center of the axis of a combustor basket and a plurality of main nozzles being installed to the vicinity of the pilot nozzle and provided with a premixing tool on the outer circumference thereof,...

20060101815 - Hydraulic ride control system for working vehicle: A hydraulic ride control system for a working vehicle such as a wheel loader is provided with boom cylinders, an actuator control valve for controlling a pressure in bottom pressure chambers of the boom cylinders, an accumulator connected to the bottom pressure chambers of the boom cylinders via a connection...

20060101816 - Internal explosion engine and generator using non-combustible gases: Internal explosion engine and generator having an explosion chamber, a movable member forming one wall of the chamber, a charge of non-combustible gas sealed inside the chamber, means for repeatedly igniting the gas in an explosive manner to drive the movable member from a position of minimum volume to a...

20060101817 - Generator motor device: A motor/generator system is provided in which a casing (111) of a motor/generator (MG) is connected to a casing (15) of a displacement type expander of a Rankine cycle system, and a rotor (117) of the motor/generator (MG) is supported on a shaft end of an output shaft (32) extending...

20060101818 - Bleed tec: Bleed Tec has two L shaped bracket ends with a one by one cut on one plain of each bracket. One adjustment rod, one housing for adjustment rod (two 2″×4″ aluminum cylinders welded together, one with 0.650″ bore thru, and one with side and end threads). Bleed Tec uses one...

20060101819 - Method and system for influencing the quantity of exhaust gas recirculated in a pressure charged internal combustion engine: The invention relates to a pressure charged internal combustion engine (1) having at least two cylinders (3), configured to form two groups (3′, 3″) each with a separate exhaust line (4′, 4″), and two exhaust-gas turbochargers connected in parallel (6, 7), a first turbine (6a) being arranged in the exhaust...

20060101820 - Ground source heat pump field design with improved control strategies: The present invention features geothermal systems with improved control strategies for efficient operation of multiple geothermal wells. In many embodiments, each well in a geothermal system of the present invention is operated in cycles. Each cycle includes a heat exchange phase followed by a thermal recovery phase. During a heat...

20060101822 - Exhaust heat power generation apparatus: An exhaust heat power generation apparatus (1) includes a heat exchange unit (12) that conducts thermal energy of exhaust gas flowing through an exhaust pipe, a cooling unit, (8) and a thermoelectric converting unit (12) thermoelectric converting module. (13) The cooling unit (8) has the highest rigidity among those of...

20060101821 - Rankine cycle system: A Rankine cycle system is provided in which, in order to make a pressure (P) of a gas-phase working medium at the inlet of an expander (13) coincide with a target pressure (PO), a feedforward value (NFF) is calculated on the basis of the target pressure (PO) and a flow...

20060101823 - Fuel switching for dual fuel engine: An internal combustion engine combusts a first fuel or a second fuel. A method for controlling the engine comprises supplying first fuel to at least one combustion chambers of the internal combustion engine, stopping the supply of the first fuel to the combustion chamber in response to an engine operating...

20060101824 - Compressor control unit and gas turbine power plant including this unit: Provided is a compressor control unit with a high response ability to changes of gas condition of a compressor (compressor suction temperature, pressure, gas specific gravity, pressure ratio of suction pressure and discharge pressure). In the control unit for a compressor that supplies gas into a gas turbine through a...

20060101825 - Premix burner: A premix burner has a swirl generator and two perforated through flow elements are arranged at a defined distance from one another in the inflow region for the combustion air. The through flow elements are preferably arranged in such a way that substantially the entire combustion airstream has to flow...

20060101826 - System and method for controlling the working line position in a gas turbine engine compressor: A system for actively controlling the working line location within a low pressure compressor. The system includes a plurality of variable inlet guide vanes that are adjusted to maintain the working line at a constant level as the low pressure compressor rotates at a constant speed....

20060101827 - Attachment system for ceramic combustor liner: Aspects of the invention relate to a system for attaching a ceramic liner to a non-ceramic combustor head-end component while accommodating different rates of thermal expansion of these components. One end of the liner can be received within a slot formed by the combustor head-end component. The liner can be...

20060101828 - Low cost gas turbine combustor construction: A gas turbine engine comprising an annular reverse-flow combustor having a sheet metal combustor wall between a long exit duct portion and a small exit duct portion of the combustor. An exit duct portion of the combustor forms a sliding joint with a downstream turbine vane assembly and has at...

20060096272 - Thrust vectoring aft flade engine: An aft FLADE gas turbine engine including a fan section drivenly connected to a low pressure turbine section followed by an aft FLADE turbine having at least one row of aft FLADE fan blades radially extending across a FLADE duct circumscribing the aft FLADE turbine, and at least one thrust...

20060096273 - Method and system for emission control of a compression ignition locomotive engine: Method and system for emission control of a compression ignition locomotive engine. The method includes measuring an actual power level of the engine, comparing a desired power level with the actual power level of the engine; implementing a combustion strategy based on the comparing of the desired and the actual...

20060096275 - Exhaust purification with on-board ammonia production: A power source is provided for use with selective catalytic reduction systems for exhaust-gas purification. The power source includes a first cylinder group with a first air-intake passage and a first exhaust passage, and a second cylinder group with a second air-intake passage and a second exhaust passage. The second...

20060096277 - Lean burn engine control nox purging based on positional loading of oxidants in emission control device: Disclosed is a method for controlling a lean burn engine coupled to an emission control device that stores oxidants during lean operation, and reacts the stored oxidants during stoichiometric or rich operation, the method comprising estimating amounts of NOx stored in the device along a plurality of axial positions of...

20060096276 - Mechanical apparatus having a catalytic nox storage and conversion device: A mechanical apparatus including a combustion engine, a conduit for transporting an exhaust stream away from the engine, a first catalytic NOx storage and conversion region disposed along the conduit, and a second catalytic NOx storage and conversion region disposed along the conduit at a location downstream from the first...

20060096278 - Method for operating an internal combustion engine and a device for carrying out the method: A method for operating an internal combustion engine whose exhaust area has at least one SCR catalytic converter and a device for carrying out the method are described. The SCR catalytic converter receiving the reagent supports the conversion of the raw NOx emission of the internal combustion engine. At least...

20060096274 - Method for the post-injection of hydrocarbon-, alcohol- and/or reducing-agent-type regeneration solution (e.g. diesel fuel and/or urea and/or ammoniacal solution) for the regeneration of diesel engine exhaust gas filtration systems: A post-injection method for the regeneration of a device used to filter diesel engine exhaust gases. The method includes injecting a fully-pulverised hydrocarbon-, alcohol- and/or reducing-agent-type regeneration solution upstream of the oxidation catalyst (14) to increase the exhaust gases' temperature upon detection of clogging of the filter with particles. A...

20060096279 - Internal combustion engine comprising a gas conveying system and operating method therefor: 2.2. According to the invention, when the internal combustion engine (1) is starting up, the quantity of fuel injected into it is set as a function of the delivery capacity of the pump (8). 2.3. Use in motor vehicles, in particular in passenger cars having an internal combustion engine with...

20060096281 - Exhaust system and method for controlling exhaust gas flow and temperature through regenerable exhaust gas treatment devices: A reconfigurable exhaust system provides selective positioning of exhaust gas treatment devices either near, or spaced from, the exhaust gas outlet port of a turbine of a turbocharged Diesel engine. In some embodiments, auxiliary air or a heat exchanger are arranged to cool the exhaust gas when required....

20060096280 - Method for controlling temperature in a diesel particulate filter during regeneration: Uncontrolled regeneration in a Diesel particulate filter is prevented by controlling the concentration and mass flowrate of oxygen passing through the Diesel particulate filter during regeneration....

20060096282 - Method and apparatus for purifying exhaust gases: In a method for purifying exhaust gases in particular from lean-burn internal combustion engines having an exhaust-gas converter with a heat exchanger and catalysts arranged in inflow and/or outflow passages, the heat exchanger exhaust gas which flows in is heated by heat exchange with exhaust gas which flows. The incoming...

20060096283 - Exhaust gas throttle means: An exhaust gas throttle means for motor vehicles comprises a housing in which an exhaust gas throttle is arranged. The exhaust gas throttle is connected with a throttle shaft which is supported in bearing elements. Inside the housing two stopper elements are provided which are arranged in recesses of the...

20060096284 - Compact electro-hydraulic generator to motorise cupola: The present invention divulges a particularly compact electro-hydraulic generating set and its application in combination with a compact actuator to pilot the traverse movement of a close cupola head assembly or of one or several offset cupola head assemblies. The compactness of the electro-hydraulic generating set and the possibility of...

20060096285 - Valve: An apparatus comprises a valve body having a cylindrical bore centered on an axis. A cylindrical core extends axially within the bore and is fixed relative to the valve body. A sleeve within the bore extends circumferentially about the core and is rotatable about the axis relative to the core....

20060096286 - Charge air cooler: A charge air cooler with an integral precooler is disclosed which cools charge air by using both liquid coolant and air coolant. The charge air path is not affected by the use of the liquid coolant. The charge air cooler disclosed can cool particularly hot charge air without a significant...

20060096287 - Exhaust gas turbocharger for an internal combustion engine: An exhaust gas turbocharger for an internal combustion engine has an exhaust gas turbine in the exhaust gas train and a compressor in the intake tract, whereby an adjustable throttle device is provided upstream from the compressor wheel, for regulating the air mass stream to be supplied. The throttle device...

20060096288 - Cascade power system: A cascade power system and a method are disclosed for using a high temperature flue gas stream to directly or indirectly vaporize a lean and rich stream derived from an incoming, multi-component, working fluid stream, extract energy from these streams, condensing a spent stream and repeating the vaporization, extraction and...

20060096290 - Cascade power system: A cascade power system and a method are disclosed for using a high temperature flue gas stream to directly or indirectly vaporize a lean and rich stream derived from an incoming, multi-component, working fluid stream, extract energy from these streams, condensing a spent stream and repeating the vaporization, extraction and...

20060096289 - Modular condensation and thermal compression subsystem for power systems utilizing multi-component working fluids: New more efficient condensation and thermal compression subsystems for power plants utilizing multi-component fluids are disclosed that simplify the equipment needed to improve the overall efficiency and efficiency of the condensation and thermal compress subsystem....

20060096291 - Gas turbine engine fuel injector: A fuel injector for a gas turbine engine includes a support member and a nozzle tip disposed on the support member with a deformable, removable metallic or non-metallic seal member disposed between facing sealing surfaces of the support member and a shroud member of the nozzle tip. The deformable seal...

20060096292 - Method for determination of the temperature, mass-averaged over a flow cross-section, of a gas flow in a gas turbine: The invention relates to a method for determination of a temperature, mass-averaged over a flow cross-section, of a gas flow in a gas turbine or the like, particularly during partial load operation of the gas turbine. The invention also relates to a control apparatus, which can be operated using the...

20060096294 - Method and apparatus for mixing substances: A combustor assembly for a gas powered turbine includes a premix section to mix a first selected volume of fuel with a selected oxidizer. The premix section includes an injector plate that includes a porosity according to selected characteristics, such as pore size, pore density, pore distribution, and other selected...

20060096296 - Method to decrease combustor emissions: A method for operating a gas turbine engine facilitates reducing an amount of emissions from a combustor. The combustor includes a mixer assembly including a pilot mixer, a main mixer, and an annular centerbody extending therebetween. The method comprises injecting at least one of fuel and airflow into the combustor...

20060096295 - Methods for operating gas turbine engines: A method for operating a pulse detonation system. The method includes providing a pulse detonation chamber including a plurality of detonation tubes extending therein, and detonating a mixture of fuel and air within each detonation tube such that at least a first tube is detonated at a different time than...

20060096293 - Pulsed combustion engine: A pulsed combustion apparatus includes a conduit having an outer wall and an inner wall. The inner wall has a number of apertures. An interior space is separated from the outer wall by the inner wall. An induction system is positioned to cyclicly admit charges to the interior space. An...

20060096297 - Method and apparatus for operating a burner of a heat engine, in particular of a gas turbine installation: The invention describes a method and an apparatus for operating a burner of a heat engine, in particular of a gas turbine installation, having a burner inlet, to which a mixture of a fuel and an oxygen-enriched carrier gas is fed for combustion within a combustion chamber which adjoins the...

20060096298 - Method for satisfying variable power demand: A process for satisfying variable power demand and a method for maximizing the monetary value of a synthesis gas stream are disclosed. One or more synthesis gas streams are produced by gasification of carbonaceous materials and passed to a power producing zone to produce electrical power during a period of...

20060090447 - Device for injecting water or water vapor into the working medium of a gas turbine plant: A gas turbine plant having a compressor (1), one or more combustion chambers (2), a high-pressure gas turbine (3) and a power turbine (24) includes a device whereby water or water vapor is injected into the flow of the combustion air compressed by the compressor (1). The injection nozzles (22)...

20060090451 - Counter-rotating gas turbine engine and method of assembling same: A method for assembling a gas turbine engine includes providing a first fan assembly including a plurality of rotor blades that are configured to rotate in a first rotational direction at a first rotational speed, rotatably coupling a second fan assembly axially aft of the first fan assembly, wherein the...

20060090449 - Counter-rotating turbine engine and method of assembling same: A method for assembling a gas turbine engine includes providing a first fan assembly configured to rotate in a first rotational direction, rotatably coupling a second fan assembly to the first fan assembly, wherein the second fan assembly is configured to rotate in a second rotational direction that is opposite...

20060090450 - Counter-rotating turbine engine and method of assembling same: A method for assembling a gas turbine engine that includes providing a first fan assembly configured to rotate in a first rotational direction, rotatably coupling a second fan assembly to the first fan assembly, wherein the second fan assembly is configured to rotate in a second rotational direction that is...

20060090448 - Gas turbine engine and method of assembling same: A method of assembling a gas turbine engine that includes rotatably coupling a first low-pressure turbine rotor to a high-pressure turbine, rotatably coupling a second low pressure turbine rotor to the first low-pressure turbine rotor, and rotatably coupling the second low-pressure turbine rotor to a turbine rear-frame such that a...

20060090452 - Yaw vectoring for exhaust nozzle: An exhaust nozzle assembly provides fluidic thrust vectoring of the primary stream to enhance aircraft maneuverability. The exhaust nozzle assembly includes a cooling air passage that supplies cooling air to a plurality of cooling holes that generate an insulating layer of air. A vector slot injects cooling airflow into the...

20060090453 - Injection head for a liquid-propelled rocket engine: An injection head for a liquid-propelled rocket engine has a plurality of first and second injection bores for injecting jets of first and second propellant constituents, respectively, into the combustion chamber of a rocket engine, with mutual mixing of propellant constituents. The first injection bores are provided for injecting jets...

20060090454 - Method for controlling the lean operation of an internal combustion engine, especially an internal combustion engine of a motor vehicle, provided with a nox storage catalyst: The invention relates to a method for controlling the lean operation of an internal combustion engine, especially an internal combustion engine of a motor vehicle, provided with a nitrogen oxide storage catalyst. As claimed in the invention, in a first process step, to establish the instant of switching from the...

20060090455 - Abnormality diagnosis apparatus for secondary air supply system of engine: An abnormality diagnosis apparatus is used for a secondary air supply system for an internal combustion engine. The system includes an air pump for supplying secondary air into an upstream of a catalyst in an exhaust gas passage of the internal combustion engine. A secondary air detecting means detects secondary...

20060090456 - Control apparatus for an internal combustion engine: A control apparatus for an internal combustion engine can detect degradation of a three-way catalyst with high accuracy without causing deterioration in an exhaust. A pair of first and second air fuel ratio detectors are disposed in an exhaust system at locations upstream and downstream of the three-way catalyst for...

20060090457 - Emission reduction apparatus: An emission reduction apparatus includes first and second exhaust paths carrying respective first and second Nox traps. One trap has a smaller capacity than the other and is operative while the larger trap regenerates, allowing symmetric operation....

20060090458 - System for estimating the soot load of a particle filter: This system for evaluating the soot load of a particle filter integrated in a diesel engine exhaust system of a motor vehicle comprises: storage means for storing a pre-established map of unit soot emission rates for each speed/load operating point of the engine; acquisition means for acquiring the current operating...

20060090459 - Hydraulic system having priority based flow control: A hydraulic system has a source, a plurality of fluid actuators, and a controller. The controller is configured to receive an input indicative of which of the plurality of fluid actuators are a first and a second type of fluid actuator, to receive an input indicative of a desired flow...

20060090460 - Hydraulic system having a pressure compensator: A hydraulic system for a work machine is disclosed. The hydraulic system has a source of pressurized fluid and a fluid actuator with a first chamber and a second chamber. The hydraulic system also has a first valve configured to selectively fluidly communicate the source with the first chamber and...

20060090461 - Energy regeneration system for work machines: First and second displacement variable regenerating hydraulic motors are provided in third and fourth flow rate control lines which function as discharge flow paths for oil discharged, respectively, from first and second oil supply and discharge ports of a hydraulic motor, where controlling the displacement of the regenerating hydraulic motors...

20060090462 - Energy regeneration system for working machinery: A method and apparatus to improve regeneration efficiency when regenerating the energy of discharge fluid from a fluid pressure actuator as electrical energy. In a flow rate control line 15, which finctions as a discharge flow path for oil discharged from a head side oil chamber 1c of a hydraulic...

20060090463 - Wave energy converter: Apparatus (10) for capturing wave energy in a body of water such as the sea. The apparatus (10) rests on the seabed and comprises a body structure (11) having a portion such as a flexible diaphragm (19) adapted to deflect in response to wave action. Pumps (51), each defining a...

20060090464 - Powered variable volume gas lift assembly and a method of operating the same: A powered lift assembly and a method of providing a powered lift. The assembly includes a housing including a gas positioned within a chamber. A first piston is slidably positioned within the housing. A second piston includes a shaft. The second piston is slidably positioned within the housing. A motor...

20060090465 - Rotary positive displacement machine with orbiting piston: A casing 1 has a circular cylindrical internal surface 3 delimiting an operating chamber. An orbiting piston 4 in the operating chamber is mounted so as to orbit about a chamber axis which is the axis of the internal surface 3. The orbiting piston 4 has a circular cylindrical external...

20060090466 - Hyrbrid car and control method of the same: A hybrid car capable of stably ensuring the bad road running property, obtaining large acceleration in a satisfactory road surface state, and simultaneously when no large acceleration is required, running with fuel consumption kept unchanged is provided. The hybrid car is composed of an engine 1 for driving either of...

20060090467 - Method and apparatus for converting thermal energy to mechanical energy: A method and apparatus for converting thermal energy to mechanical energy which can use a wide range of fuels and perform with a high efficiency. Operating on a little utilized thermodynamic cycle of isentropic compression, isothermal expansion, isentropic expansion and finally constant pressure cooling and contraction. The external heat engine...

20060090468 - Efficiency improvement for a utility steam generator with a regenerative air preheater: A steam generator system comprising a coal-fired steam generator in fluid communication with a regenerative air preheater. The steam generator being adapted to receive a flow of heated combustion air exiting from the regenerative air preheater and to discharge a flow of hot flue gas to the regenerative air preheater....

20060090469 - Regenerative air preheater leakage recovery system: A regenerative air preheater leakage recovery system comprising a coal-fired steam generator in fluid communication with a regenerative air preheater. The regenerative air preheater adapted to provide a heat exchange between a flow of cool air and of hot flue gas to convert the cool air into the heated combustion...

20060090470 - Variable-section turbomachine nozzle: A variable-section turbomachine nozzle comprises a plurality of moving flaps, and a moving flap control system comprising control levers each associated with a respective moving flap, the control levers comprising both controlled levers that are actuated directly by actuators, and follower levers that are actuated by the controlled levers via...

20060090471 - Method and apparatus for identification of hot and cold chambers in a gas turbine combustor: A method for identifying combustion characteristics of a plurality combustion chambers in a gas turbine, the method including: supplying fuel to the combustion chambers at a predetermined fuel rate; sensing combustion dynamic pressure in said plurality of combustion chambers and generating dynamic pressure signals representative of the dynamic pressure in...

20060090472 - System and method for heating an air intake of turbine engine: A heating system for a turbine engine air intake region for preventing the formation of ice on the air intake region, which may be formed from the bell-mouth, one or more vanes, such as inlet guide vanes, a turbine blade assembly formed from one or more blades, such as the...