Power plants inventions 03/06

20060064959 - Device for indicating a residual power margin of aircraft turbine engines: A device for indicating a residual power margin of aircraft turbine engines includes a measuring stage associated with at least one turbine engine of an aircraft to measure a number of first parameters related to a power output of the engine; a calculating unit associated with the measuring unit to...

20060064960 - Methods and apparatus for assembling a gas turbine engine: A method for assembling a gas turbine engine includes providing a core engine, an inner fan assembly, and a fladed fan assembly, coupling a plurality of airflow ducts to the engine including an inner fan duct for channeling airflow through the inner fan assembly, a core engine duct for channeling...

20060064961 - Methods and apparatus for assembling a gas turbine engine: A method for assembling a gas turbine engine includes providing a core engine, and providing a flade system including a flade stream augmentor positioned within a flade duct. The method also includes channeling airflow through the core engine to produce engine thrust, channeling airflow through the flade duct to produce...

20060064962 - Variable area throat exhaust nozzle with vectorable sideways shifting of exhaust flow: A nozzle includes a sideways split and aftwardly swept nozzle ramp extends between a fixed lower nozzle wall and a pivotal upper nozzle wall pivotally connected to an aft end of the nozzle and operable to vary a throat area of a throat of the nozzle. The upper and lower...

20060064963 - Hybrid propulsion system: Disclosed is a propulsion system having a structural configuration that provides easy and convenient access to the interior regions of a liquid fuel tank and a hybrid rocket motor case. In one embodiment, the propulsion system comprises: a hybrid rocket motor case and a fuel tank coupled to the hybrid...

20060064964 - Mounting structure for an air-fuel ratio sensor in a motorcycle, and exhaust subassembly including same: A mounting structure is provided for an air-fuel ratio sensor on an exhaust pipe in a motorcycle in which a concentration of oxygen in an exhaust gas can be detected efficiently and accurately by the air-fuel ratio sensor. The air-fuel ratio sensor is mounted on a convergent connector of exhaust...

20060064965 - Diagnostic apparatus for internal combustion engine: A diagnostic apparatus for an internal combustion engine. An exhaust purification section includes an exhaust purifier disposed in an exhaust passage of the internal combustion engine, for purifying an exhaust emission, and a purifier activation section configured to control engine operating parameters of the internal combustion engine to promote activation...

20060064966 - Crankcase ventilation system: A crankcase ventilation system may include a first exhaust flow path configured to permit flow of main exhaust gases from a combustion chamber of an internal combustion engine and a particulate trap disposed in the first exhaust flow path. The system may also include a second exhaust flow path configured...

20060064967 - Method and device for operating an internal combustion engine having a catalytic converter: A method and a device for operating an internal combustion engine having a catalytic converter are described making it possible to heat the catalytic converter more quickly. An additional load of the internal combustion engine is applied to heat the catalytic converter....

20060064968 - Apparatus and method for estimating nox trap catalyst adsorption amount: There is provided an apparatus that estimates the NOx adsorption amount, comprising a NOx trap catalyst that is disposed in an exhaust passage of an engine, for adsorbing NOx in exhaust gases during lean operation and releasing and reducing the adsorbed NOx during rich operation, an operation unit that computes...

20060064969 - Exhaust purification device of compression ignition type internal combustion engine: An SOx trap catalyst (11) able to trap SOx contained in exhaust gas is arranged in an engine exhaust passage upstream of an NOx storing catalyst (12). When the SOx trap rate by the SOx trap catalyst (11) falls, the air-fuel ratio of the exhaust gas flowing into the SOx...

20060064970 - Torque converter: A torque converter includes: a impeller having an outer shell, an inner core, and at least one pump blade provided between the outer shell and the inner core; a turbine having at least one turbine blade; and a stator capable of establishing a fluid circulation between the impeller and the...

20060064971 - Adaptive position determining system for hydraulic cylinder: A position determining system may include a hydraulic cylinder and a flow control device operatively connected to the hydraulic cylinder. A controller may be configured to supply an actuating signal to the flow control device. The controller may be configured to monitor a characteristic associated with the actuating signal, determine...

20060064972 - Bluff body energy converter: A power generating system comprising a bluff (non-streamlined) body placed in a fluid stream at ninety degrees to the flow direction creates a von Karman vortex street behind the body. In the process, feedback forces are generated that excite the bluff body into oscillation. The bluff body oscillatory movements are...

20060064973 - Power steering apparatus: A power steering apparatus includes a hydraulic power cylinder, and a reversible pump driven by a motor. A steering assist sensor senses a steering assist force provided to a steering wheel. A controller ascertains a pump discharge quantity of the reversible pump, and a cylinder volume variation of the pressure...

20060064974 - Hydrostatic transmission circuit: Improvement in a hydrostatic valve assembly for use in a hydrostatic transmission, for controlling fluid transfer between a first, second and third line, wherein two of the lines define first and second pressure lines within a closed loop circuit. The valve assembly comprises a valve body having ports in communication...

20060064975 - Power generating system utilizing buoyancy: A generating set formed so that a generator 70 connected to a rotary shaft 32 turning and supporting a conveyor 30 by utilizing the power by which a gas supplied by a supply means 60 into a bucket 50 positioned on a lower portion of the side of the conveyor...

20060064976 - External combustion engine: An external combustion engine comprises a compressor assembly, a heater assembly, an expander assembly, a cooler assembly, and auxiliary systems. The preferred embodiment of this invention uses fossil fuel as the main source of energy, and water substance for the working liquid. The compressor assembly takes in the working fluid....

20060064977 - Device for the detection of an actuation force of a brake pedal, and brake system: The invention relates to a device for the detection of an actuation force of a brake pedal, comprising a force take-up element coupled to the brake pedal, and a force-transmitting element which is coupled to a brake system and is movable relative to the force take-up element, a sensor device...

20060064978 - Master cylinder: A piston seal is provided in a circumferential groove formed in a cylinder body. The piston seal is capable of sealing a pressure chamber, which supplies fluid pressure to a discharge passage, from a supply passage, which communicates with a reservoir. The piston seal comprises: an annular base portion; an...

20060064979 - Supercharger installation with load control for internal combustion engines: An impulse turbocharger for an internal combustion engine. The impulse turbocharger is adapted to be used for controlling the air flow of an air supply conduit on the intake side of an internal combustion engine. The impulse turbocharger has a rotary valve which is connected by an elastic coupling to...

20060064980 - Turbo control valve utilizing a permanent magnet: A valve for controlling a wastegate actuator of a turbocharger. The valve includes a bobbin having a coil for generating a magnetic field and a stator having a top portion and an internal channel. The valve also includes a housing having a compressor port, a wastegate actuator port and an...

20060064981 - Internal combustion engine having supercharger: An engine includes an electric supercharger as a first supercharger, a turbocharger as a second supercharger, a secondary air supply passage, a secondary air valve and a catalyst. The electric supercharger is provided in an intake passage which is in communication with a combustion chamber, and supercharges intake air into...

20060064982 - Valve for dynamic control of fuel flow rate in gas turbine power plant, power plant and components thereof employing such valve, and method of constructing such valve: There is disclosed a valve comprising a valve body, a bonnet, a bellows assembly and a translator assembly. The bellows assembly comprises a bellows and a bellows flange. The bellows flange is positioned between the bonnet and the valve body. The bellows flange defines a bellows flange opening, around which...

20060064983 - 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...

20060064984 - Throat retention apparatus for hot gas applications: A nozzle for use in a hot gas valve is provided that includes a housing, an insert, and a throat retainer. The housing is constructed of an insulating material and has a flow path formed therein. The flow path has a throat section. The insert is made of material capable...

20060064985 - Power plant and operating method: A method for operating a power plant (2), which includes at least one compressor (3), at least one turbine (4), and a burner arrangement (5), involves, to enhance the power plant (2), feeding a combustion exhaust gas from a pre-burner (8) of the burner arrangement (5) to an oxygen-removal device...

20060064986 - High efficiency low pollution hybrid brayton cycle combustor: A power generating system and method operating at high pressure and utilizing a working fluid consisting of a mixture of compressed non-flammable air components, fuel combustion products and steam. The working fluid is substantially free of CO and NOx. Fuel and compressed air at an elevated temperature and at a...

20060064987 - Rich catalytic injection: A gas turbine engine includes a compressor, a rich catalytic injector, a combustor, and a turbine. The rich catalytic injector includes a rich catalytic device, a mixing zone, and an injection assembly. The injection assembly provides an interface between the mixing zone and the combustor. The injection assembly can inject...

20060064988 - Turbine power plant having minimal-contact brush seal augmented labyrinth seal: A stationary gas turbine engine includes an axial compressor; a turbine; a stationary inner barrel downstream of the compressor; a brush seal including a ring-shaped holder supported by the inner barrel, and a multiplicity of inwardly extending bristle members having an ambient temperature clearance of not less than 0.015 percent...

20060053767 - Method and device for reducing engine noise: A method and device to reduce the noise produced by jet aircraft engines and/or other supersonic nozzles involves the use of corrugated engine seals (30) for the secondary internal divergent flaps (14) of the nozzle (10). Such corrugated seals (30) serve not only to eliminate shock-generated noise, but also generate...

20060053768 - Aerodynamic fastener shield for turbomachine: A fastener shield for use in a fluid flow path within a gas turbine engine for reducing fluid drag and heating generated by fluid flow over a plurality of circumferentially spaced fasteners. The fastener shield has a radially-extending, downstream-facing mounting flange with a plurality of circumferentially spaced bolt holes positioned...

20060053769 - Chevron-type primary exhaust nozzle for aircraft turbofan engine, and aircraft comprising such a nozzle: A primary exhaust nozzle for a turbofan engine of the double, separated air-flow type for aircraft comprises: an inner coat, within which there circulates a primary air flow (FP), comprising chevrons at an external end and an outer coat at least partially surrounding the inner coat and along which there...

20060053770 - Engine valve assembly: A valve assembly defines a chamber and three ports. A first valve selectively obstructs a first port to prevent fluid communication between a secondary air injection pump and the chamber. A second valve selectively obstructs a second port to prevent fluid communication between an air intake manifold and the chamber....

20060053771 - Exhaust system: An exhaust system (1) is provided with an exhaust passage that allows exhaust gas discharged from an internal combustion engine to pass therethrough, an exhaust emission control unit including a catalyst (2,3) such as a three-way catalyst (27) to purify the exhaust gas, and an exhaust heat collecting unit that...

20060053772 - Nox adsorber diagnostics and automotive exhaust control system utilizing the same: A process for controlling an exhaust system can comprise flowing exhaust gas from the engine past a first oxygen sensor, through a NOx adsorber, past a second oxygen sensor, through a catalyst and past a third oxygen sensor, wherein the first oxygen sensor, the second oxygen sensor, and the third...

20060053774 - Exhaust treatment system and methods using the same: An exhaust treatment system comprises an exhaust fluid source; a particulate filter disposed downstream of and in fluid communication with the exhaust fluid source; a valve disposed downstream of and in fluid communication with the particulate filter; and a reformer disposed in fluid communication with and downstream of the valve...

20060053773 - Exhaust-gas cleaning system for an internal combustion engine, and method for cleaning the engine exhaust gases: An exhaust-gas cleaning system for cleaning the exhaust gas of an internal combustion engine with self ignition and/or with direct fuel injection has at least one oxidizing catalytic converter, disposed in an exhaust conduit of the engine, and has at least one device, disposed downstream of the oxidizing catalytic converter...

20060053775 - High thermal efficiency selective catalytic reduction (scr) system: An emissions control system utilizes otherwise wasted heat to efficiently reduce emissions in a main exhaust flow. Heat stored in exhaust from an auxiliary generator (i.e., auxiliary exhaust) may be used to convert urea to ammonia used by a Selective Catalytic Reducer (SCR) system, and/or the auxiliary exhaust may be...

20060053776 - Management of thermal fluctuations in lean nox adsorber aftertreatment systems: A method and apparatus manage heat in exhaust gas in an aftertreatment system that employs a lean NOx adsorber. A de-sulfation hot line and cooling line are employed to control exhaust gas temperatures for adsorption, regeneration and de-sulfation cycles of the aftertreatment system where each cycle can require different chemical...

20060053777 - System and method for increasing the temperature of gases within an exhaust of an internal combustion engine: Reformate gas is supplied into the exhaust 4 of an internal combustion engine 2 at a location upstream of an oxidation catalyst 6 and an ignition source 14 is provided either upstream or downstream of the oxidation catalyst and upstream of further exhaust gas treatment devices 8 for igniting the...

20060053778 - Exhaust emission purification apparatus of compression ignition type internal combustion engine: A fuel adding valve (14), an HC adsorbing and oxidation catalyst (11), and a NOx storing catalyst (12) are successively arranged in an exhaust passage of an internal combustion engine toward the downstream side. When the NOx storing catalyst (12) should release NOx, particulate fuel is added from the fuel...

20060053779 - Joint for an engine exhaust system component: The present disclosure relates to an access joint for an engine exhaust system. The access joint includes first and second exhaust conduits each having a conduit body and a flange unitary with the conduit body. The flanges have first surfaces that face toward one another and second surfaces that face...

20060053780 - Motorcycle exhaust system: A motorcycle exhaust system includes a catalytic converter (43) disposed within an exhaust passage (37) for discharging exhaust gas (G) from a multi-cylinder combustion engine (E) and operable to purify the exhaust gas (G). An upstream end of the catalytic converter (43) has different regions (S1 and S2) communicated with...

20060053781 - Method for operating a nitrogen ixide storage-type catalytic converter of an internal combustion engine, particularly of a motor vehicle: The invention relates to a process for operating a nitrogen oxide storage-type catalytic converter of an internal combustion engine, particularly of a motor vehicle, in which the nitrogen oxides which have been produced by the internal combustion engine are stored in the storage catalytic converter in the first operating phase...

20060053782 - Exhaust manifold: An exhaust manifold (4), which is joined to a catalyst container (3) for accommodating a catalyst (2) with a tilt angle, includes: a plurality of branch pipes (6a, 6b, 6c, 6d) communicating with corresponding discharge ports (E1, E2, E3, E4) of an engine; an exhaust collecting portion (7) where the...

20060053783 - Throttle potentiometer adapter: A throttle potentiometer adapter provides a direct connection between a pivot nut on a hand throttle linkage and the internal sleeve of a potentiometer. The potentiometer provides a voltage output to an electronic controller, the voltage output corresponding to the position of the hand throttle. The adapter is of one-piece...

20060053784 - Exchange and/or scavenging device for a circuit comprising at least one hydraulic motor: The device comprises a replenishing valve (24) having an opening control chamber suitable for being connected to a main duct (12, 14) of the circuit, and a closing control chamber, the pressure in said chambers making it possible to cause the moving member of the replenishing valve to move so...

20060053785 - Power device equipped with combustion engine and stirling engine: A power unit for a vehicle, such as an automobile, includes an internal combustion engine 1 as a prime mover for the vehicle, a generator 3, and a Stirling engine 4 for driving the generator 3. The Stirling engine 4 uses the exhaust gas discharged by the internal combustion engine...

20060053786 - Control device for supercharged engine: The invention is intended to provide good emission-cleaning performance by use of a three-way catalyst alone, without the need for a lean NOx catalyst, while ensuring a fuel economy improvement effect of lean burn operation, and to improve fuel economy up to high-load operating ranges while maintaining desired engine output...

20060053787 - Turbocharger and vane support ring for it: A turbocharger comprising a turbine housing where at least one supply channel supplies an exhaust gas. The exhaust gas is fed through a guide grid that forms passages of variable cross-section between the supply channel and a turbine rotor. This guide grid comprises a plurality of vanes of predetermined width...

20060053788 - Method and apparatus for actively turbocharging an engine: A technique comprising an apparatus for monitoring at least one operating parameter indicative of an operating condition of a diesel engine and controlling a turbocharger assist device to maintain desired operating conditions of the diesel engine equipped with a turbocharger....

20060053789 - Exhaust gas regulating element for supercharger systems of internal combustion engines: A regulating element for a supercharger system, preferably including at least two exhaust gas turbochargers, in the exhaust system of an internal combustion engine. The regulating element is provided in a housing and is designed as a butterfly valve and is continuously pivotable around a pivot axis. The butterfly valve...

20060053790 - Automotive starting system and method: An automotive starting system includes an accumulator, a hydraulic motor, and an engine controller. The accumulator is adapted for holding a charge of pressurized fluid. The hydraulic motor has a fluid input operatively connected to the accumulator and has an output shaft operatively connected to an internal combustion engine of...

20060053791 - Method and apparatus for the production of energy: The invention provides processes and apparatuses for safely, rapidly, cost-effectively and efficiently producing a superheated steam product or dry saturated steam product that can be employed to generate electrical power, or in other manufacturing and/or non-manufacturing processes, in an environmentally clean manner without causing corrosion to electrical power-generating devices. These...

20060053793 - Heat regenerative engine: A heat regenerative engine uses water as both the working fluid and the lubricant. In operation, water is pumped from a collection pan and through a coil around a cylinder exhaust port, causing the water to be preheated by steam exhausted from the cylinder. The preheated water then enters a...

20060053792 - Power generation system and method of operating same: A power generation system comprising a liquid-cooled electrolyzer operable to produce a supply of hydrogen from water is provided. The power generation system may also comprise a steam turbine and a steam production device operable to produce a supply of steam to the steam turbine. The power generation system may...

20060053795 - Extrusion plant with synchronized drive units, and method of synchronization of drive units: In a method for synchronizing drive units, a target value of the speed of each drive unit of a plurality of drive units speed is computed by determining the product of a maximum speed of the drive unit, a unit-dependent normalized ratio value of the drive unit, and a synchronization...

20060053794 - Hybrid geothermal and fuel-cell system: A hybrid energy system heats or cools a plant with a geothermal unit powered at least partly by a fuel cell, which may also power other devices. The thermal fluid for the geothermal unit also cools the fuel cell via a heat exchanger. A digital controller bypasses a variable portion...

20060053796 - Method and apparatus for adding a secondary fluid flow to a gas turbine engine control fuel line: A gas turbine engine fuel system (10) that includes a fuel line, a pressurizing valve (14) in the fuel line having a burn fuel outlet (16) to a burn fuel line (18) providing burn fuel to the engine (20) and a control fuel outlet (22) to a control fuel line...

20060053797 - Combustor exit duct: A combustor for a gas turbine engine includes a sheet metal combustor wall having a plurality of cooling apertures therein immediately upstream of a corner between two intersecting combustor wall portions....

20060053801 - Cooling system for gas turbine engine having improved core system: A gas turbine engine having a longitudinal centerline axis therethrough, including: a fan section at a forward end of the gas turbine engine including at least a first fan blade row connected to a first drive shaft; a booster compressor positioned downstream of and in at least partial flow communication...

20060053800 - High thrust gas turbine engine with improved core system: A gas turbine engine having a longitudinal centerline axis therethrough, including: a fan section at a forward end of the gas turbine engine including at least a first fan blade row connected to a first drive shaft; a booster compressor positioned downstream of and in at least partial flow communication...

20060053802 - Ignition detecting method for gas turbine: A gas turbine which can detect ignition in a combustor regardless of startup conditions of the gas turbine, such as the hot startup or the cold startup. An ignition detecting method for the gas turbine comprises the steps of calculating a difference between the exhaust temperature detected at a particular...

20060053799 - Recuperator and turbine support adapter for recuperated gas turbine engines: A recuperator and turbine support adapter for securing a recuperator to a combustor case is provided. The recuperator and turbine support adapter comprises an outer strutted body, an inner strutted body and a thermal spring. The thermal spring allows for thermal expansion of the recuperator and turbine support adapter while...

20060053798 - Waffled impingement effusion method: A combined impingement effusion method comprises brazing or welding a waffled impingement plate to the cold back-side surface of component having effusion holes there through. The impingement plate comprises a plurality of small baffle cells to relieve the thermal stresses between the impingement plate and the component. By rigidly attaching...

20060053803 - Metering demand fuel system for gas turbine engines: A fuel system includes a turbine engine, and an electric motor that are independently drivable relative to one another. The electric motor has a speed that is selectively controlled based upon a desired fuel flow. A centrifugal pump is driven by the turbine engine. The centrifugal pump provides a desired...

20060053804 - Gas turbine engine having improved core system: A gas turbine engine having a longitudinal centerline axis therethrough, including: a fan section at a forward end of the gas turbine engine including at least a first fan blade row connected to a drive shaft; a booster compressor positioned downstream of the fan section including a plurality of stages,...

20060048499 - Pulsed detonation engine: The invention relates to a pulsed detonation engine. According to the invention, the transversal base (3) or the flame tube (2) is mounted in such a way that it can move in relation to said tube in order to be able to assume two boundary positions, first position corresponding to...

20060048500 - Engine exhaust re-burner system: As taught herein the present system is used for complete combustion and elimination of all pollutants from any diesel operated engine or the like, respectively. The system is very simple to construct and is adaptable for numerous applications of choice. The main components include a micro-controller for control of the...

20060048501 - Catalytic device with internal heat exchange: The invention relates to a catalytic device with internal heat exchange that among other things can be used for vehicles with an internal combustion engine or for stationary engines where there is a certain amount of unburned gas components in the exhaust that can be converted in the catalyst. By...

20060048503 - Device for clearing a supply pipe of a reducing agent that has previously gone from a first phase to a second phase then back again: In a device for keeping a valve controlled flow passage for supplying a reduction agent to a catalytic converter in an exhaust system of a diesel engine, wherein the reduction agent is gaseous above a certain temperature but solid below this temperature, the valve being a control valve for dosing...

20060048502 - Integrated system for reducing fuel consumption and emissions in an internal combustion engine: An integrated NOx after-treatment system for an internal combustion engine includes (a) a fuel supply subsystem for supplying an inlet fuel stream to the engine fuel intake, (b) an air supply subsystem for supplying an inlet oxygen-containing air stream to the engine air intake, (c) a fuel processor to which...

20060048504 - Device for supplying secondary air: There is provided a device for supplying secondary air, which comprises a secondary air passage for supplying secondary air, to an exhaust passage of an engine, upstream of an exhaust purification device provided in the exhaust passage, a pump provided in the secondary air passage for supplying a secondary air,...

20060048507 - Exhaust gas purifying system for internal combustion engine: In an exhaust gas purifying apparatus for a diesel engine having a diesel particulate filter provided in an exhaust pipe, a pressure loss at the filter is detected. An accumulated amount of diesel particulates in the filter is calculated based on the pressure loss and a map for a relationship...

20060048505 - Exhaust gas throttle valve for engines: An exhaust gas throttle valve disposed in the exhaust system of an engine, wherein the center axis of rotation of a valve shaft 5 is set at a position deviated from the center axis of the exhaust gas passage, and two recessed portions 11 are symmetrically formed in the circumferential...

20060048506 - System for processing combustion exhaust gas containing soot particles and nox: The invention relates to a system and a method for processing exhaust gas of an internal combustion engine such as a diesel engine. The disclosed system and method can be particularly suitable to the diesel engine that usually operates in a lean burn condition without the occurrence of a periodic...

20060048508 - Oil pressure circuit for working machines: A joining directional control valve 13 is disposed to supply, to an arm cylinder 4, not only a hydraulic fluid delivered from a first hydraulic pump 1, but also a hydraulic fluid delivered from a second hydraulic pump 2 when an arm directional control valve 14 is driven. Respective delivery...

20060048509 - Hst drive circuit: The present invention makes it possible, in an HST drive circuit wherein an HST pump and an HST motor have been separately stored in a pump case and a motor case, to efficiently cool the HST drive circuit. A cooling line for, while discharging a relief oil from a charge...

20060048510 - Double acting thermodynamically resonant free-piston multicylinder stirling system and method: Present implementations provide an approach that allows for a double-acting, multi-cylinder, thermodynamically resonant, alpha configuration free-piston Stirling system. The system includes overstroke preventers that control extent of piston travel to prevent undesirable consequences of piston travel beyond predetermined limits. The overstroke preventers involve controlled work extraction out of the system...

20060048511 - Apparatus and method for low cost control of shape memory alloy actuators: A method of controlling a shape memory alloy actuator includes applying power to a shape memory alloy actuator. A measured actuation parameter is obtained from the shape memory alloy actuator. An operational characteristic parameter is derived based upon the power and the measured actuation parameter. An actuation state parameter is...

20060048512 - Brake power generator for a hydraulic motor vehicle brake system, and hydraulic motor vehicle brake system: A braking force generator includes a primary piston displaceable in a housing to enclose a primary pressure chamber. A pedal simulation device is connected to the force input element. A pedal actuation detection device detects the pedal actuation and an actuating force booster stage. During normal operation the force input...

20060048513 - High temperature steam valve and steam turbine plant: A high temperature steam valve has a valve casing including a main steam inlet, a main steam outlet and a valve chest. The high temperature steam valve also has a valve seat positioned in the valve chest, a valve element facing the valve seat, and a valve rod slidably penetrating...

20060048514 - Process for the extraction of energy from flue gases: The invention relates to a process for the extraction of energy from flue gases of a furnace which is operated with a fuel and which is used in a process for the production of melamine, the process comprising a first heat exchange step in which the flue gases are heat...

20060048515 - Method of and apparatus for producing power from a heat source: A method for producing power from a heat source comprises the steps of: heating an intermediate fluid with heat from the heat source and producing a vaporized intermediate fluid in an intermediate fluid heater/vaporizer. Heat from the vaporized intermediate fluid vaporizes an organic liquid working fluid present in an organic...

20060048516 - Device and method for steering and regulating components of a hybrid driveline of a vehicle: A method and a device for steering and regulating components of a hybrid driveline (1, 2). For the mode of operation sparing in fuel and poor in emission of a motor vehicle having one such driveline, it is provided that the input torque desired by the driver be distributed among...

20060048517 - Process and a plant for recycling carbon dioxide emissions from power plants into useful carbonated species: A process is disclosed for recycling carbon dioxide emissions from a fossil-fuel power plant into useful carbonated species The process primarily comprises the steps of: a) burning the fossil fuel, thereby generating heat and a hot exhaust gas containing CO2; and b) converting the heat into energy. The process is...

20060042223 - Gas turbine engine frame with an integral fluid reservoir and air/fluid heat exchanger: Disclosed is a structural frame for a gas turbine engine comprising an integral fluid reservoir and air/fluid heat exchanger. A central hub includes a reservoir for storing a fluid and an outer rim circumscribes the hub. A heat exchanger is fluidly coupled to the reservoir and is in simultaneous communication...

20060042224 - Dual-plasma jet thruster with fuel cell: New [GerTh. I] & [DawShien. II] dual-plasma jet thrusters provide the electric start system to start their warm-up processes, automatically. After their warm-up processes done and the operation temperatures reached, the [GerTh. I] & [DawShien. II] dual-plasma jet thrusters will run through themselves, independently by continuously supplying fuels and moisture...

20060042225 - Bypass duct fluid cooler: A method and apparatus for cooling a fluid in a bypass gas turbine engine involves directing the fluid to the bypass duct of the engine to allow for heat exchange from the fluid to bypass air passing through the bypass air duct....

20060042226 - Gas turbine braking apparatus & method: A device is provided which can serve one or more of the multiple functions of impeding rotation of a shaft de-coupled turbine rotor, selectively impeding rotation of a first spool of the engine, for example to permit a second spool to generate power for use in ground operation, and facilitating...

20060042227 - Air turbine powered accessory: An aircraft accessory system includes an aircraft engine powered direct air turbine driven accessory and an air turbine drivingly directly connected by an air turbine shaft to the accessory. The air turbine includes a variable geometry turbine nozzle in selectable direct flow communication with at least two compressed engine air...

20060042228 - Pulse detonation system for a gas turbine engine having multiple spools: A gas turbine engine having a longitudinal centerline axis therethrough, including: a fan section at a forward end of the gas turbine engine including at least a first fan blade row connected to a first drive shaft; a booster compressor positioned downstream of the fan section, the booster compressor including...

20060042229 - Thrust reverser system electro-mechanical brake manual release mechanism: A manual release mechanism for a thrust reverser actuation system electromechanical brake includes a first release plate, a second release plate, at least two balls, and a handle. The first and second release plates each have grooves formed therein that have a cam surface located at a predetermined angle. The...

20060042230 - Vectorable nozzle with sideways pivotable ramp: A vectorable nozzle includes a longitudinally extending upper fixed wall spaced upwardly and aftwardly of a longitudinally extending lower fixed wall and an aftwardly swept fixed ramp extending between the upper and lower fixed walls. The upper and lower fixed walls and the fixed ramp extend transversely between first and...

20060042232 - Fuel control compensation for secondary air system flow variation: An engine control system and method maintains an optimum exhaust fuel to air ratio in an internal combustion engine. A secondary air injection (SAI) pressure is measured in an SAI system. The SAI pressure measurement is converted into an SAI flow value. A fuel compensation value is obtained based on...

20060042233 - Method of operating an internal combustion engine: A method of operating an internal combustion engine includes operating the engine in a first combustion mode. The method also includes switching operation of the engine to a second combustion mode. The method includes directing an exhaust stream of the engine into contact with a NOx adsorber substantially only during...

20060042231 - System for assisting regeneration of a storage/releasing nox trap for vehicle diesel engine: This system for assisting regeneration of a storage/release NOx trap integrated into an exhaust system (5) of a motor vehicle diesel engine (4) is characterized in that it includes means (11) for injecting fuel into the cylinders of the engine (4) in the form of pilot injections and main injections...

20060042234 - Control system for an engine aftertreatment system: An engine exhaust treatment system using a control system is described. In one form of the present invention, engine exhaust gas contaminates are passed through a selective reduction catalyst and a contaminate reducing agent is injected into the catalyst. The amount of contaminates present in the exhaust proximate to the...

20060042236 - Method and apparatus for controlling exhaust gas flow rate: An exhaust emissions control system includes a valve in an exhaust stream portion of a mainstream exhaust ahead of an aftertreatment element such as a catalytic converter. The valve controls the amount of exhaust flowing into a hydrocarbon reformer. A bi-directional acoustical air meter in the exhaust stream portion ahead...

20060042235 - Rotary nox trap: One aspect of the invention relates to a NOx trapping device for a vehicle exhaust system having a plurality of NOx adsorbers. The device has a mobile framework configured to hold the NOx adsorbers and move them in sequence through a plurality of positions. A manifold channels exhaust to one...

20060042237 - Accumulating amount estimating device detecting differential pressure of filter: A filter is arranged in an exhaust passage of an engine. The filter supports a catalyst. An accumulating amount estimating means detects differential pressure of the filter to estimate an amount of soot accumulating on the filter. An oxidizing condition detecting means detects an oxidizing condition of soot accumulating on...

20060042238 - Removal of front end blockage of a diesel particulate filter: A particulate matter deposit amount accumulated in a diesel particulate filter (4) is calculated as a first particulate matter deposit amount from a pressure loss of the filter (4) (S33). The particulate matter deposit amount accumulated in the filter (4) is calculated as a second particulate matter deposit amount from...

20060042239 - Exhaust flap housing as well as an exhaust flap means: An exhaust flap housing in which an exhaust flap can be disposed comprises at least one stop element for defining end positions of the pivotable exhaust flap. To simplify the production, the stop element is preferably produced by remodeling and thus forms part of the exhaust flap housing....

20060042240 - System and method for controlling hydraulic fluid flow: A method of flowing hydraulic fluid in a work machine is disclosed. The method includes generating a control signal from an input mechanism and generating a property signal indicative of a viscosity of the hydraulic fluid. The control signal and the property signal are received at a control module. The...

20060042241 - Power source derating component protection system: A protection system is provided for a work machine with a power source. At least one sensor is configured to monitor a fluid parameter of a work machine system external to the power source. The sensor is further configured to produce a signal indicative of a value of the fluid...

20060042242 - Working vehicle comprising a hydrostatic transmission: A flywheel housing 13 is partitioned by a partition wall 14 disposed at an intermediate position in the lengthwise direction thereof to form a pair of housing portions in which a flywheel 13 is accommodated in one housing portion 13X, and an HST unit that receives power from the flywheel...

20060042243 - Hydraulic control for a longwall support: A hydraulic control for a longwall support with a plurality of face support frameworks (1-3), which are adapted to be actuated in the sense of longwall support functions, in particular in the sense of the longwall support operations: robbing, advancing, and setting, comprises hydraulic control valves (8, 9) for each...

20060042244 - Sealed shaft gravity buoyancy energy system and method of use thereof: A sealed-shaft gravity-buoyancy energy system and method of use thereof, wherein a wheel is powered by ball masses which fall under gravitational force, thereby causing the wheel to rotate. The ball masses are collected and inserted into a fluid shaft, wherein the fluid shaft comprises at least two separate columns...

20060042245 - Exhaust turbocharger: An exhaust turbocharger with a housing, a compressor arranged in a compressor space and an exhaust turbine is arranged in a turbine space, whereby an exhaust line from the turbine outlet is connected to a low-pressure side of the compressor space via an exhaust recirculation line which extends through the...

20060042246 - Efficient bypass valve for multi-stage turbocharging system: A turbocharger system includes first and second turbines arranged such that exhaust gas passes through the first turbine then the second turbine. A bypass channel is configured such that exhaust gas entering the channel passes only through the second turbine. A valve positioned in the bypass channel regulates the flow...

20060042247 - Multi-stage turbocharging system with efficient bypass: A more efficient multi-stage turbocharging system and method for internal combustion engine systems is set forth. The present invention recovers the loss of a portion of exhaust energy that conventionally occurs in bypassing exhaust flow from one stage to another in a multi-stage turbocharging system. The preferred method of preserving...

20060042248 - Method for converting thermal energy into useful work: A method for providing the interaction of the working medium with the heat energy source and also the interaction of the working medium with the additional low-temperature energy source, wherein the positron state of the Dirac's matter is used as said additional low-temperature energy source, and the interaction of the...

20060042249 - Steam generator feedwater control system for power plant: In the control of feedwater to the steam generator in a power plant comprising one steam generator and a plurality of turbine plants, the water level in the steam generator and the flow rate balance between the steam flow rate and the feedwater flow rate of each turbine plant will...

20060042250 - Safety circuit for media-operated consumers and process for its operation: A safety circuit for media-operated consumers, such as steam turbines or gas turbines, includes at least one first solenoid valve (1.1) which acts on a fluid circuit. An actuating device (9) can be connected to the fluid circuit, and acts at the same time on the operating behavior of the...

20060042251 - Arc-electrolysis steam generator with energy recovery, and method therefor: An arc-electrolysis steam generator apparatus and method of use thereof, wherein the steam generator comprises an arc-plasma electrolysis process utilizing a high pressure vessel and electrodes exposed to high frequency, high energy pulses. An inductor is placed around an arc-electrolysis unit, wherein the inductor captures electromagnetic energy and a plasma...

20060042252 - Engine power extraction control system: An engine power extraction control system controls the main propulsion engines and the electrical machines that are coupled thereto to supply an appropriate amount of aircraft thrust and electrical energy to the aircraft. The engines and electrical machines are also controlled so that the propulsion thrust that is generated is...

20060042254 - Combustor, gas turbine combustor, and air supply method for same: A combustor comprises a liquid fuel nozzle for injecting liquid fuel to a combustion chamber, and an air supply nozzle disposed around the liquid fuel nozzle and injecting air. The air supply nozzle is disposed such that air is injected from the air supply nozzle in a direction toward an...

20060042253 - Methods and apparatus for reducing gas turbine engine emissions: A method enables a gas turbine engine to be assembled. The method comprises coupling a fuel nozzle within the engine to inject fuel into the engine, wherein the fuel nozzle includes three independent injection circuits arranged such that the second injection circuit is between the first and third injection circuits,...

20060042255 - Combustor cooling with angled segmented surfaces: A combustor liner for a gas turbine includes a body having a plurality of angled strips on an outside surface of the combustor liner. The plurality of angled strips are arranged in an array about the outside surface. A space is disposed between each of said plurality of angled strips...

20060042260 - Arrangement for controlling flow of fluid to a component of a gas turbine engine: An arrangement for controlling flow of fluid to a component of a gas turbine engine, the arrangement comprising: a conduit, coupled to a supply of fluid, for providing fluid to the component of the gas turbine engine; a magnetic valve for at least partially restricting the conduit and having a...

20060042259 - Combined-cycle power plant and steam thermal power plant: A combined-cycle power plant, a steam thermal power plant, and a method for operating the power plant, which are capable of effectively utilizing raw fuel produced from medium- or small-scaled gas fields and oil fields. Raw fuel produced from a gas field is separated into a gas component and a...

20060042257 - Combustor heat shield and method of cooling: A heat shield for a gas turbine engine combustor includes an apparatus for providing a spiral flow to improve at least the cooling of the heat shield....

20060042256 - Concentric fixed dilution and variable bypass air injection for a combustor: A combustor for a gas turbine includes a combustor body having an aperture and a casing enclosing the combustor body and defining a passageway therebetween for carrying compressor discharge air. There is at least one injection tube for supplying an amount of the compressor discharge air into the combustor body...

20060042258 - Method of controlling a power generation system: A method of controlling a gas turbine system (10) may include controlling an inlet guide vane position (98) to maintain a turbine (24) exhaust temperature at a corrected value that is a function of a compressor (12) inlet temperature and a turbine (24) normalized load. The method may include selecting...

20060042261 - Methods and apparatus for gas turbine engine lean blowout avoidance: A method of monitoring and controlling the combustion dynamics of a gas turbine engine system is provided. The system includes at least one gas turbine that includes at least one combustor can. The method includes receiving a signal from a gas turbine engine sensor that is indicative of combustion dynamics...

20060042262 - Turbine speed control system and method: One embodiment of the invention provides a turbine control system that adjusts the control thresholds of two-position valves, which provide propellant to the turbine, based on turbine load so as to compensate for increased turbine speed overshoot at low load and the increased turbine speed undershoot at high load. These...

20060042263 - Combustor and method: A gas turbine engine combustor includes an apparatus for directing air around the axis along which fuel is injected into the combustor to thereby improve the combustor....

20060042264 - Gas turbine combustor and operating method thereof: A gas turbine combustor has a combustion chamber into which fuel and air are supplied, wherein the fuel and the air are supplied into said combustion chamber as a plurality of coaxial jets....

20060042265 - Turbine overspeed protection: A method and apparatus for turbine overspeed protection, useful for steam and gas turbines, is disclosed. The apparatus comprises a spring-loaded rod held by a plurality of energized solenoids in an operating position any time the turbine's shaft rotational speed is less than a trip rotational speed set-point. When the...

20060042266 - Methods and apparatus for maintaining rotor assembly tip clearances: A method of operating a gas turbine engine is provided. The gas turbine engine includes at least one engine casing and at least one rotor assembly. The method includes directing airflow through a supply pipe and into a heat exchanger, lowering the temperature of the airflow in the heat exchanger,...

20060042267 - Main engine electric start system: A main engine electric start system for gas turbine propelled aircraft that employs a low-power AC electrical power system to serve as an independent grid to control the functions of induction-type dynamoelectric machines coupled to the main propulsion engines and APU as a starter or generator....

20060042269 - Gas turbine floating collar: A simplified floating collar is provided comprising an collar with opposed flanges. The arrangement offers reduced cost, and simplicity, and therefore facilitates manufacturing....

20060042268 - Gas turbine floating collar arrangement: A simplified floating collar mounting arrangement is provided comprising a collar mounted between spaced-apart mounting flanges. The arrangement offers reduced part count and simplicity, and therefore improves reliability....

20060042270 - Auxiliary power unit with an oil-free compressor: An auxiliary power unit for aircraft with a load compressor that delivers cabin air free of oil contamination by supporting a drive shaft for the load compressor with oil-free bearings and coupling the load compressor to a gearbox and power head for the auxiliary power unit through a synchronous magnetic...

20060042271 - Combustor and method of providing: An improved gas turbine engine combustor includes a planar region in which manufacturing tolerances are improved and thus cost of the combustor can be reduced....