Power plants inventions 12/05

20050284127 - Detonation engine and flying object provided therewith: A detonation engine which creates thrust by generating a detonation wave, wherein the overall engine structure is simplified, and continuous output can be obtained, comprises: a rotational flow generation device which generates rotational flow about an axis in a mixed gas of air and fuel or of oxygen and fuel;...

20050284128 - Rocket motor nozzle throat area control system and method: A solid rocket motor including a combustion chamber, in which propellant is ignited to produce combustion gas, and a nozzle having a throat with an effective flow area, implements a system and method to inject gas into the nozzle throat to control its effective cross sectional flow area. Controlling the...

20050284129 - Hybrid propulsion system: Whilst commercial jet aircraft are capable of transporting large pay load economically, the same is not true for rockets. To solve this problem, a hybrid propulsion system is proposed for use in Horizontal Take-Off and Land (HOTOL) craft. The purpose is to maximized the use of ambient oxygen and minimize...

20050284130 - Air-fuel ratio control apparatus for an internal combustion engine: To obtain an air-fuel ration control apparatus for an internal combustion engine capable of maintaining an NOx purification rate at a high level when a catalyst is in a deteriorated condition. The air-fuel ratio control apparatus includes: an oxygen concentration sensor for detecting an oxygen concentration at a position upstream...

20050284132 - Engine control system with mixed exhaust gas oxygen sensor types: A system for a vehicle traveling on the road is shown. The system includes a first cylinder; a second cylinder; a linear exhaust gas sensor coupled exclusively to said first cylinder; a switching exhaust gas sensor coupled exclusively to said second cylinder; and a controller configured to perform a decontamination...

20050284133 - Engine system with mixed exhaust gas oxygen sensor types: In one example, a system for a vehicle traveling on the road is described. The system includes a first cylinder; a second cylinder; a linear exhaust gas sensor coupled exclusively to said first cylinder; a switching exhaust gas sensor coupled exclusively to said second cylinder; and a controller configured to...

20050284131 - Method for metering a fuel into an exhaust duct of an internal combustion engine and a device for implementing the method: A method for metering a fuel into at least one exhaust duct of an internal combustion engine and a device for implementing the method. The fuel is converted in an exothermic reaction for achieving a specified setpoint temperature of a component to be heated. The required metering quantity of the...

20050284136 - Dosing pump assembly: A dosing pump assembly (9) is provided which is adapted to admix a liquid reducing agent to an exhaust gas flow. The dosing pump assembly includes an assembly housing (12) that houses an electric drive (15), a transmission (16), a membrane pump (17), and control and/or regulating electronics. The assembly...

20050284135 - Feed device for supplying solid urea granules into an ammonia generator arranged within or outside of an exhaust line: A feed device for supplying solid urea granules into an ammonia generator arranged within or outside of an exhaust line for production of ammonia makes possible NOx reduction with the catalytic purification of exhaust of an internal combustion engine, gas turbine, or a burner, whereby the solid urea granules are...

20050284134 - Multistage reductant injection strategy for slipless, high efficiency selective catalytic reduction: One aspect of the invention relates to an exhaust treatment apparatus having an NOx reduction system comprising first and second catalyst beds in series with associated first and second ammonia injectors. The first catalyst bed with its associated ammonia injector preferably targets removing only about 80 to about 95% percent...

20050284137 - Method 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...

20050284138 - Regeneration control method for continuously regenerating diesel particulate filter device: A regeneration control method for regenerating a continuously regenerating diesel particulate filter device capable of regenerating a filter by efficiently removing PM while suppressing the deterioration of fuel consumption and preventing a drivability from being deteriorated, wherein the clogged-state of the filter is judged in three or more phases of...

20050284139 - Filter system: A filter system includes a plurality of filter sections, each of the plurality of filter sections receiving a portion of flow. Each filter section includes a first filter, a second filter, an absorbing material disposed between the first and second filter, and at least one dispersion mechanism disposed between the...

20050284141 - Exhaust gas purifying apparatus of motorcycle: An exhaust gas purifying apparatus is provided for a motorcycle, configured to minimize engine output characteristics, and to raise the temperature of a catalyst to an activation temperature rapidly after a start of the engine, while not increasing a vehicle body size. The motorcycle includes an engine in which a...

20050284140 - Reflection catalytic converter: To provide an exhaust system (100) for a combustion engine having a housing (10) in which at least one aperture for an exhaust gas inlet (11) and an additional aperture for an exhaust gas outlet (12) are provided, and having a catalytic element that is arranged in the housing (10)...

20050284142 - Diesel engine exhaust system: Apparatus and a method for controlling gas flow into a combustion engine exhaust gas filter e.g., to control filter temperatures during filter regeneration, comprising providing a fluidic exhaust stream diverter proximate to and centrally of the inlet face of the filter and activating the fluidic diverter to divert exhaust gas...

20050284144 - Conduit loss compensation for a distributed electrohydraulic system: A plurality of hydraulic actuators are connected by valve assemblies to fluid supply and return conduits. Desired operating velocities are specified for the hydraulic actuators and used to define the amounts of fluid flow required by each actuator to move at the respective velocity. Provide the requisite flow amounts, fluid...

20050284143 - Fluid circuit for feeding primary and auxiliary users with preset priorities: Fluid-dynamic circuit for supplying primary and auxiliary uses with preset priorities comprises a pressurised fluid source, at least one first use with primary priority, at least one second use with secondary priority, at least one third use with low priority; said first use is directly connected to said source by...

20050284145 - Micro-combustor system for the production of electrical energy: A system for the production of electrical energy, comprising: a combustion chamber (14) made of material that is able to withstand high temperatures, an injection device (16) connected to said combustion chamber (14) by means of an injection conduit (15), means (17) for supplying combustion support substance into the combustion...

20050284146 - Solar-power-plants with thermal night-electricity generator: The invention refers to procedures to bridge the night- and overcast hours when using solar power plants by water splitting during the sunshine hours and combustion of the oxyhydrogen gas during the night hours with devices which are driven by high temperatures like magneto-plasma-dynamic generators and displacement engines without contact...

20050284147 - Systems and methods for converting heat to electrical power: An apparatus includes a thermo-photovoltaic (TPV) material that is capable of generating electrical power from low temperature heat radiation. An electric field generator is coupled to apply an electric field to the TPV material. The strength of the electric field is sufficient to shift the sensitivity of the TPV material...

20050284148 - Centrifugal pump fuel system and method for gas turbine engine: A fuel system for a gas turbine engine that utilizes a centrifugal pump. The system includes a fuel metering valve that is adapted to set a metered flow of fuel, and a throttle valve that is adapted to accurately control pressure drop across the fuel metering valve. The throttle valve...

20050284149 - Fuel control module: A fuel control system is provided in a single compact modular unit. The unit includes a motor driving a highly accurate cam-operated double-acting piston metering pump, both of which are contained in a liquid fuel environment. As the liquid fuel is pumped it works to cool internal components including the...

20050284150 - Integrated gearless and nonlubricated auxiliary power unit: An auxiliary power unit (APU) includes a compressor, a turbine, a combustor, and a starter-generator unit all integrated within a single containment housing. The turbine has an output shaft on which the compressor is mounted, and the starter-generator unit is coupled to the turbine output shaft without any intervening gears....

20050279079 - Method to transfer fuel in a fuel system for a gas turbine engine: A system for automatically transferring the fuel from one or more engine fuel manifolds directly to the engine fuel tank(s) during engine shutdown using an ejector pump has been presented. A checkvalve, which may be integrated with the ejector pump, is also used. A metering valve initiates fuel flow shutoff...

20050279077 - Off-axis pulse detonation configuration for gas turbine engine: The present invention is a gas turbine engine system containing a compressor stage, a pulse detonation stage, and a turbine stage. During operation of the engine system, compressed flow from the compressor stage is directed to at least one off-axis pulse detonation tube in the pulse detonation stage. The off-axis...

20050279080 - Heat exchanger with header tubes: A heat exchange cell for use in a recuperator includes top and bottom plates spaced apart to define therebetween an internal space. Within the internal space are inlet and outlet header tubes communicating with a plurality of internal matrix fins. The header tubes are rigidly affixed to at least one...

20050279078 - Multiple detonation initiator for frequency multiplied pulsed detonation combustion: The present invention is a pulse detonation combustion system, having a plurality of detonation initiation devices coupled to a main combustion chamber, where each of the detonation initiation devices is operating out-of-phase with each other. Each of the detonation initiation devices assists in the initiation of a detonation in the...

20050279081 - Aircraft braking method and ducted fan jet engine for implementing the method: The braking method for an aircraft propelled by at least one ducted fan jet engine, the latter comprising a fan, a jet engine core in which the primary flow circulates, a secondary flow exhaust nozzle, encased in a nacelle, comprises the step, in low-power operation, of unloading at least part...

20050279082 - Hybrid rocket motor design and apparatus: This patent is for a hybrid rocket motor that allows a regeneratively cooled nozzle and combustion chamber with very limited modifications to the construction of the rocket motor made with standard tubes and components. This allows for a very economical and efficient hybrid rocket motor for propelling rockets for both...

20050279083 - Folded detonation initiator for constant volume combustion device: In the present invention, at least one detonation initiator is positioned downstream of a main combustion chamber, with the initiator oriented such that it projects a detonation initiation wave forward into the main combustion chamber. The main combustion chamber contains a wave reflection surface. The detonation initiation wave is directed...

20050279084 - Method and apparatus for the defined regeneration of sooty surfaces: In a method and an apparatus for the defined regeneration of a sooty surface, in particular a ceramic sensor surface, in which the soot particles adhering to the surface are burned off by a dielectrically hindered discharge by of a discharge device, power of the dielectrically hindered discharge is set...

20050279085 - Energy conversion system: Methods and systems for indirectly converting energy from the wave motion of water into electrical energy. The methods and systems use energy in water waves to pump fluid to an elevated water supply tank. The fluid is then released and flows by gravity to a fluid turbine/generator unit at a...

20050279086 - System for storing, delivering and recovering energy: A system is described for storing, delivering and recovering energy, provided with a cylinder-piston assembly for absorbing a mass-induced load, which assembly is in fluid connection with a pressure source. The effective surface area of the piston of the cylinder-piston assembly is variable. The cylinder-piston assembly consists of, for instance,...

20050279087 - Device for rendering operational a hydraulic actuating device: A device for rendering a hydraulic actuating device operational. A motor vehicle clutch with an emitter-receiver system located in the transmission path of the actuating device comprising two pistons whose positions, relative to one another, can vary as a function of the desired operating behavior of the actuating device and...

20050279088 - Emergency control method for work device in construction equipment: In the case an unexpected problem occurs in a power supply source like an engine during construction work using heavy equipment like an excavator, a emergency control method for work device of construction equipment of the present invention can be advantageously used for preventing a fall of the work device...

20050279089 - Sub-zero condensation vacuum system: A pre-condenser is provided for condensation of water at sub-zero degree Celsius temperatures. A brine solution is cooled below 0 degrees Celsius and delivered to the pre-condenser. The brine solution contacts the vapors and gases from a scrubber, thereby condensing the vapors without allowing ice formation. A vacuum system connected...

20050279090 - Micro-electromechanical integrated circuit device with laminated actuators: A micro-electromechanical integrated circuit includes a substrate. Drive circuitry is positioned on the substrate. The device includes a plurality of elongate actuators. Each actuator includes a fixed end portion fast with the substrate. A free end portion is spaced from the substrate. A heating circuit is connected to the drive...

20050279091 - Clutch bleeder tool apparatus and method: The present invention provides a clutch bleeder tool assembly to force air bubbles from a clutch hydraulic control assembly of a standard vehicle transmission. The clutch bleeder tool assembly includes an adaptor cap to replace the factory cap on the hydraulic fluid reservoir of the clutch assembly. The adaptor cap...

20050279093 - Supercharged intercooled engine using turbo-cool principle and method for operating the same: A supercharged and intercooled engine utilizing the turbo-cool principle and a method for operating the same is provided. The classical Carnot-Otto-Diesel paradigm for internal combustion engines is modified so internal combustion engines achieve highest performance in an optimal peak temperature range, which is lower than the typical peak operation temperatures...

20050279092 - Water jet propulsion boat: A watercraft can include an engine connected to multi-furcated intake passages and multi-furcated exhaust passages. The engine can have a crankshaft with its end extending rearwardly of the crankcase. The engine can also have a supercharger and an intercooler. The intercooler and the supercharger can be located forward of the...

20050279094 - Almost-perpetual ecology system: Ecosystem that is highly efficient and environmental is shown. Turbo Hydrogen engine with controlled combustion using the recycling of un-combusted gases such as hydrogen and oxygen can be embedded to this ecosystem. Solar energy and wind energy can be used as external energy source. The energy of motion of a...

20050279095 - Hybrid generation with alternative fuel sources: A generating facility is provided for generating electricity from both solar and non-solar energy sources. The solar generating portion of the facility includes capability to directly generate electricity from solar insolation, or to store the solar energy in a tangible medium, including stored heat, or solar generating fuel. The generating...

20050279096 - Waste heat generator: A closed system that operates using a refrigerant and waste heat. The waste heat can be obtained from a turbine; a nuclear power house or any heat source up to two hundred degrees Fahrenheit. The refrigerant is introduced to said system and is routed to the hot water shell (14)....

20050279097 - Water vaporization apparatus: A water vaporization apparatus is provided which uses the heat from the sun to vaporize water from a water collection means. The water collection means has a water container member which may be partially submerged in a water reservoir, or connected to a remote reservoir of water. The water container...

20050279098 - Method of power generation for airborne vehicles: A closed cycle turbine system is provided for the generation of power in a light, high altitude airborne vehicle. The closed cycle turbine system may operate according to either the Brayton or the Rankine cycles. The working fluid for the closed cycle may be alternately heated by the combination of...

20050279099 - Multi-zone tubing assembly for a transition piece of a gas turbine: A replaceable section (25) of force-cooling tubing assembly (21, 22) for attachment to a transition piece (5) of a gas turbine is comprised of two ends (54, 70) fashioned for attachment by removable unions (52) to adjoining parts of a force-cooling tubing assembly. When assembled thereto to complete the assembly,...

20050279100 - High area-ratio inter-turbine duct with inlet blowing: A bypass channel for use in an inter-turbine transition duct of a gas turbine engine is connected to a suction port disposed upstream of a high-pressure turbine and an injection port disposed downstream of the high-pressure turbine. The flow through the bypass channel is motivated by the natural pressure difference...

20050279101 - Method of controlling the injection of liquid into an inflow duct of a prime mover or driven machine: The injection of finely atomized liquid-droplets into the intake air flow of a compressor is used, for example, to improve the output of a gas turbine. If the atomization is effected via pressure atomizer nozzles, it is advantageous, when the injection device is operated with a portion of the design...

20050279102 - Modulated current gas turbine engine starting system: A method and an apparatus for starting a gas turbine engine under various conditions are used to distribute a varying total amount of electric power to at least one of a starter, a fuel heater and an oil heater while providing fuel....

20050279103 - Hingeless flapper valve for flow control: A device for controlling fluid flow for heating or cooling an associated system is provided. The present invention includes a housing having a flow control member that includes a bendable portion. The flow control member responds automatically to a pressure condition within the housing and opens or closes based on...

20050274103 - Gas turbine engine inlet with noise reduction features: A gas turbine engine comprising a fan section, a compressor, a combustor and a turbine, includes a nacelle having an inner nacelle surface defining an inlet duct designed to reduce an inlet duct area of the inlet duct to increase acoustic attenuation. The gas turbine engine also includes a spinner,...

20050274104 - Optimum regeneration of diesel particulate filters and nox traps using fuel reformers: Pollution control apparatus. An exhaust aftertreatment unit is fitted to the exhaust of an internal combustion engine and a fuel reformer provides hydrogen rich gas in an optimal way to the aftertreatment unit to regenerate the aftertreatment unit. It is preferred that the hydrogen rich gas be provided only to...

20050274105 - Control device of internal combustion engine: A control device of an internal combustion engine suppressing catalyst deterioration by prohibiting fuel cuts, wherein the generation of odor from the catalyst after deceleration is suppressed. The control device is provided with a fuel cut executing device for stopping the supply of fuel to an internal combustion engine when...

20050274106 - Exhaust gas control apparatus and exhaust gas control method for internal combustion engine: In an exhaust gas control apparatus and exhaust gas control method for an internal combustion engine, in which fuel is supplied to a purification mechanism provided in an exhaust passage so that a function of the purification mechanism is recovered. A flow rate of exhaust gas flowing in the exhaust...

20050274108 - Device for supplying ammonia to a reduction catalyst arranged in an exhaust system of an internal combustion engine: In a device for supplying ammonia (NH3) to a reduction catalytic converter arranged in an exhaust system of an internal combustion engine comprising a container for storing a precursor body capable of generating ammonia when heated by a heating device disposed in the container for the thermolytic decomposition of the...

20050274107 - Reforming unvaporized, atomized hydrocarbon fuel: A reformer such as a CPO (18) receives a mix of fuel, moisture and oxygen from a mixing region (21) having an igniter (26, 66), which may include an inert ceramic foam (19), the fuel being provided by an atomizing nozzle (22), thereby avoiding the need for a vaporizer before...

20050274109 - Secondary air supply system for internal combustion engine: A secondary air pipe is connected to an exhaust pipe upstream of a catalyst, and a secondary air pump is connected to an upstream portion of the secondary air pipe. An ECU determines an operating period of the secondary air pump before the secondary air pump is operated in order...

20050274110 - Stirling engine: A stirling engine includes a flow path that communicates a working space of the stirling engine and outside of the stirling engine. A working gas is supplied from the outside of the stirling engine to the working space via the flow path based on a differential pressure of the working...

20050274111 - Stirling engine: A stirling engine includes a flow path which communicates a working space of the stirling engine and a crankcase of the stirling engine. An output of the stirling engine is controlled so that the output lowers when a pressure inside the working space is higher than a pressure in the...

20050274112 - Fatigue failure diagnostic method of turbocharger and fatigue failure diagnostic apparatus for turbocharger: A fatigue failure diagnostic method of a turbocharger in accordance with the present invention is a method for diagnosing the fatigue failure of a turbocharger (5), comprising the steps of measuring the revolution speed of the turbocharger (5), computing an accumulated fatigue value (Ft) based on the measured revolution speed,...

20050274113 - Steam temperature control system, method of controlling steam temperature and power plant using the same: A steam temperature control system for a power plant for controlling a temperature of steam flowing through steam pipes connected to a heat exchanger to a target temperature by spraying water by means of a spray valve of an attemperator, having a target temperature calculation section for calculating the target...

20050274114 - Ventilation channels in an afterburner chamber confluence sheet: The invention relates to ventilating the confluence sheet of an afterburner chamber of an aviation turbomachine, including, upstream from the afterburner chamber: a diffuser defined by a confluence sheet disposed inside a casing, said casing and said confluence sheet defining between them an annular channel for a cold secondary flow,...

20050274115 - Method and apparatus for prevention of compressor stall and combustion flameout in a turbine engine: This invention is a means for preventing loss of flame and compressor section instability in a turbine engine. The invention uses an Electronic Control Unit to modify the fuel system demand signal to the final controlling element or elements of a turbine engine to prevent rapid changes either for increasing...

20050274116 - Lean blowoff detection sensor: Apparatus and method for detecting incipient lean blowoff conditions in a lean premixed combustion nozzle of a gas turbine. A sensor near the flame detects the concentration of hydrocarbon ions and/or electrons produced by combustion and the concentration monitored as a function of time are used to indicate incipient lean...

20050274117 - System & method for dumping surge flow into eductor primary nozzle for free turbine: A method and apparatus for dumping surge bleed air into a primary nozzle of a free gas turbine engine. The surge bleed air is introduced into gas turbine exhaust flow within the primary nozzle to create a mixed flow which may be used as a combined driver flow to compensate...

20050268593 - Thermal management for aircraft auxiliary power unit compartment: An improved passive cooling system for an aircraft APU compartment that includes a lightweight annular air-cooled oil cooler that is strategically oriented and shrouded to face its inlet away from the APU to make it inherently fireproof to flames from the APU or any location within the APU compartment that...

20050268594 - Fast start-up combined cycle power plant: A combined cycle power plant of the present invention is configured of a compressor; a combustor for combusting compressed air compressed by the compressor together with supplied fuel; a gas turbine driven by a combustion gas exhausted from the combustor; a heat recovery steam generator for recovering high temperature exhaust...

20050268595 - Method and apparatus for suppressing infrared signatures: An infrared signature suppression system for reducing infrared radiation emitted by a vehicle. The system includes an elongate duct mounted on the vehicle having a hollow interior extending along an axial centerline between an upstream end and a downstream end for transporting exhaust gas emitted by the vehicle, and a...

20050268596 - Electric heated catalyst failure diagnostic device: It is an object to provide an electric heated catalyst failure diagnostic device that is compact, lightweight, inexpensive, and can accurately detect a disconnection of the heater and an abnormality in a circuit from the power supply to the heater with a simple configuration. When an ECU orders to apply...

20050268597 - Exhaust emission control device for internal combustion engine: A DPF is used in an internal combustion engine for trapping PM discharged from an engine body. Presence and absence of an abnormality in the DPF is evaluated using differential pressure, which is between the front and the rear of the DPF. The differential pressure considerably decreases or considerably increases...

20050268599 - Air-fuel ratio control device for internal combustion engine: An air-fuel ratio control device of the present invention is equipped with an upstream side air-fuel ratio sensor which is disposed in a passage at the upstream side of a three way catalyst and detects an air-fuel ratio of an engine, a downstream side air-fuel ratio sensor which is disposed...

20050268598 - Thermoelectric catalytic converter temperature control: A method for controlling temperature of a catalytic converter in an automobile exhaust system is disclosed. The method includes establishing a reference temperature for the catalytic converter, distributing a stream of exhaust gases through the catalytic converter, obtaining a measured temperature of the catalytic converter and converting thermal energy from...

20050268600 - Exhaust system of multi-cylinder internal combustion engine: A plurality of upstream main exhaust passages extend from cylinders of an engine. A downstream main exhaust passage is connected to the upstream main exhaust passages. A main catalytic converter is mounted in the downstream main exhaust passage. A plurality of upstream bypass exhaust passages extend from the upstream main...

20050268601 - Method for regenerating a particle filter: A method for regenerating a particle filter of an internal combustion engine, of a diesel engine in particular, in which a characteristic quantity for the particle loading is determined to initiate regeneration. More accurate correlation of the particle mass is achieved in that a corrected loading characteristic quantity is formed...

20050268602 - Arrangement for securely mounting an exhaust manifold to the cylinder head of an internal combustion engine: An exhaust manifold has a head flange constructed for receiving at least two exhaust pipes arranged side-by-side, and includes spaced apart first and second longitudinal flange portions. A mounting assembly is provided for sealingly securing the exhaust manifold to a cylinder head of an internal combustion engine and includes a...

20050268603 - High efficiency torque converter: A torque converter assembly is provided, which includes an impeller, a turbine, and a stator. The impeller and the turbine each have a plurality of passages for directing fluid. The inlet and outlet of each passage are larger in cross-sectional area than the middle portion of the passage, located between...

20050268604 - Stirling cycle engine: A Stirling cycle engine of a simplified structure, having enhanced reliability by improving abrasion resistance and lubricity of components thereof. When a piston reciprocates in a cylinder along the axial direction thereof by a driving mechanism, a displacer reciprocates in the cylinder along the axial direction thereof accompanying the reciprocation...

20050268605 - Method and apparatus for forming a heat exchanger: A heat exchanger and method for making a heat exchanger including, forming an annular ring of a solid heat conductive mass, the annular ring having a central axis and having axially opposite faces. A plurality of passages are drilled through the annular ring and through the opposite faces to provide...

20050268606 - Stirling cycle engine or heat pump with improved heat exchanger: A Stirling cycle machine heat exchanger and a method for making the heat exchanger including, forming an annular ring of a solid heat conductive mass, the annular ring having a central axis and having axially opposite faces. A plurality of passages are drilled through the annular ring and through the...

20050268607 - Thermohydrodynamic power amplifier: A thermodynamic force amplifying machine that causes a liquid working medium to perform useful work in a three-stroke working cycle (isochoric heating, isothermal expansion, contraction through regenerative cooling) making use of an external heat source and of an external cold source. The work performed by the auxiliary drive (12) at...

20050268608 - Hydraulic cylinder: A hydraulic cylinder includes a housing having a fluid connection for connecting to a hydraulic system and an after-running connection for connecting to a fluid after-running vessel, and a piston which is axially displaceable in the housing to define a variable pressure space having a gas collecting portion, the piston...

20050268609 - Split-cycle four-stroke engine: An engine has a crankshaft, rotating about a crankshaft axis of the engine. An expansion piston is slidably received within an expansion cylinder and operatively connected to the crankshaft such that the expansion piston reciprocates through an expansion stroke and an exhaust stroke of a four stroke cycle during a...

20050268610 - Exhaust gas turbocharger for an internal combustion engine: An exhaust gas turbocharger for an internal combustion engine comprises a turbine in the exhaust line and a compressor, which is driven by the turbine and which is located inside the intake tract of the internal combustion engine. The turbine comprises a flow duct having a radial flow entrance cross-section,...

20050268611 - Steam engine: A steam engine has a looped fluid container, in which working fluid is filled. A heating device, a cooling device and an output device are arranged at the fluid container. A lower side valve is provided at a fluid passage of the fluid container between the heating device and the...

20050268612 - Engine: An engine (110, 210) for moving a conveyance (132) through a fluid includes first and second pressure creating means (13, 14) for pressurising an engine airflow, and intercooling means (116, 290, 292) for cooling the engine airflow between the first and second pressure creating means (13, 14). The intercooling means...

20050268613 - Method and apparatus for cooling combustor liner and transition piece of a gas turbine: A method and apparatus for cooling a combustor liner and transitions piece of a gas turbine include a combustor liner with a plurality of circular ring turbulators arranged in an array axially along a length defining a length of the combustor liner and located on an outer surface thereof; a...

20050268615 - Method and apparatus for cooling combustor liner and transition piece of a gas turbine: A method and apparatus for cooling a combustor liner and transitions piece of a gas turbine include a combustor liner with a plurality of turbulators arranged in an array axially along a length defining a length of the combustor liner and located on an outer surface thereof; a first flow...

20050268614 - Premixing burner with impingement cooled centerbody and method of cooling centerbody: A gas-air premixing burner for gas turbines includes an air swirler and an annular burner tube surrounding a bluff centerbody. The bluff body serves to stabilize the flame by defining a recirculating vortex. Cooling air is directed to impinge against the bluff face of the centerbody and the spent impingement...

20050268618 - Burner tube and method for mixing air and gas in a gas turbine engine: A hybrid structure that combines characteristics of the DACRS and Swozzle burners to provide the high mixing ability of an axial flowing counter rotating vane swirler with good dynamic flame stability characteristics of a bluff center body....

20050268617 - Methods and apparatus for low emission gas turbine energy generation: A low-emission method for producing power using a gas turbine includes premixing a plurality of fuel and air mixtures, injecting the fuel and air mixtures into a combustion chamber using a plurality of fuel nozzles, and adjusting a ratio of fuel and air injected by at least one of the...

20050268616 - Swirler configurations for combustor nozzles and related method: A combustor includes a center nozzle surrounded by a plurality of outer nozzles, the center nozzle and each of the outer nozzles having a fuel passage and an air passage, with a swirler surrounding the fuel passage and having a plurality of vanes projecting radially within the air passage, each...

20050268619 - Method and apparatus for increasing the pressure of cooling fluid within a gas turbine engine: A system located with the housing of a gas turbine engine for increasing the pressure of working fluid from the compressor that will be utilized to cool a component. In one form the system includes a pump rotatable with a turbine component to increase the pressure of the working fluid....

20050262825 - Apparatus and a method for regulating the flow rate of fuel to a turboshaft engine in acceleration or in deceleration: Apparatus for regulating the flow rate of fuel to a turboshaft engine in acceleration or deceleration, the engine having a free turbine and a core engine, the apparatus including sensors transmitting information to regulator elements, the information relating: to a first speed of rotation NTL of the free turbine; to...

20050262824 - Fuel supply system: A fuel supply system for a gas turbine engine including first and second positive displacement pumps operated simultaneously to supply fuel under pressure from a low pressure source, a combining spill valve controlling the output flows from the first and second pumps to combine the outputs of the first and...

20050262826 - Jet nozzle mixer: An external jet nozzle mixer includes identically formed lobes. The external mixer works with the internal mixer further to mix the engine internal bypass flow with the internal jet engine core flow to level the disparate flow velocities, to reduce the peak velocities from the jet engine core and increase...

20050262828 - Diagnostic device and method of engine exhaust purifying system: A diagnostic device and method of an engine exhaust purifying system, which perform active control of an air-fuel ratio and can make diagnosis of air-fuel ratio sensors, catalysts, etc. in the engine exhaust purifying system with high accuracy and reliability while avoiding a worsening of exhaust emissions, an increase of...

20050262827 - Electronic engine control device, vehicle equipped with electronic engine control device, and electronic engine control method: On the premise that a target torque of an engine is equal to 0, that observed catalyst temperature is in a specified temperature range causing deterioration of the catalyst, and that the engine runs idle without a fuel cut regardless of fulfillment of preset fuel cut conditions, the control procedure...

20050262829 - Exhaust gas purification device of internal combustion engine: A catalyst (22) suitable for reduction of the NOx in an exhaust gas by ammonia in the presence of excess oxygen is arranged in the exhaust passage (18, 21) of an internal combustion engine. An aqueous urea solution is fed through a flow control valve (33) to the inside of...

20050262830 - Internal combustion engine installation comprising a direct-injection otto engine and a catalyst system: The invention relates to an internal combustion engine (10) comprising a direct-injection otto engine (12) which does not have a stratified charge capacity, or only to a small extent, and a catalyst system (16) which is arranged downstream from the otto engine (12) and is provided with at least one...

20050262831 - Control apparatus for internal combustion engine: A control apparatus for the internal combustion engine includes a fuel cut post-return fuel increasing correction unit for performing a fuel increasing correction during a specified period when a fuel supply stop state by an fuel cut control unit is returned to a fuel supply state, and a fuel increasing...

20050262832 - Exhaust gas purification device of internal combustion engine: A catalyst (22) suitable for reduction of the NOx in an exhaust gas by ammonia in the presence of excess oxygen is arranged in the exhaust passage (18, 21) of an internal combustion engine. An aqueous urea solution is fed through a flow control valve (33) to the inside of...

20050262833 - System for measuring nox content of exhaust gas: A system for measuring NOx content of an exhaust gas produced includes at least one controllable valve operable to direct exhaust gas to a NOx sensor only when measurement of the NOx content is desired and to otherwise expose the NOx sensor to ambient air. A control circuit controls the...

20050262834 - Method for regeneration of diesel soot filtering device: A method for regeneration of a diesel soot-filtering device includes the steps of inputting a flow resistance value that varies depending upon the amount of soot accumulated in the soot-filtering device; calculating the accumulated mileage and the flow resistance value (K); primarily compulsorily regenerating the diesel soot-filtering device if the...

20050262835 - Two-stroke lean burn gas engine with a silencer/catalytic converter: A low emissions 2-stroke natural gas fueled engine includes at least one cylinder with an exhaust port in communication with a silencer/catalytic converter unit. The unit has first and second volumes in communication with each other. The first volume dampens spurious exhaust pressure excursions and removes particulates in the exhaust....

20050262836 - Exhaust manifold flange: An exhaust header having a recessed sealing surface that receives an annular graphite gasket for affecting a fluid tight seal. The exhaust header further includes one or more exhaust head pipe flanges and one or more exhaust head pipes. Each exhaust head pipe flange is fixedly attached to one of...

20050262837 - Hydrokinetic torque converter stator blade construction: A stator blade for a hydrokinetic torque converter, the blade profile having geometric characteristics that improve torque flow efficiency in the converter torque flow circuit, whereby the torque converter efficiency at high speed ratios is improved without significant adverse effects on the converter torque ratio at stall and at low...

20050262838 - Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof: In a hydraulic machine, hydraulic pump failure is detected and the pump lifespan is estimated before the pump failure occurs. The discharge pressure 122, oil temperature 126, and drain filter differential pressure 120 are measured, a correlative relationship 128 between the filter differential pressure and the discharge pressure is determined,...

20050262839 - Braking device, and method of manufacture: A braking device and a method of manufacture of such a braking device. The braking device has a booster (1) formed of a cover (12) and of a cylinder (10). A central orifice (8) is formed on the cylinder. A master cylinder (5) has a body (14) that partially enters...

20050262840 - Hydraulic actuation apparatus for a motor vehicle clutch: A hydraulic actuation apparatus for a motor vehicle clutch includes a master cylinder, a slave cylinder, a hydraulic line forming a main fluid channel connecting the master cylinder to the slave cylinder to form a pressure space, and a damping member arranged in the pressure space for attenuating pressure pulses....

20050262841 - Variable geometry turbine: A variable geometry turbine has an annular inlet passageway defined between a radial wall of a moveable wall member and a facing wall of the turbine housing. The moveable wall member is mounted within an annular cavity provided within the housing and having inner and outer annular surfaces. An annular...

20050262842 - Process and device for the recovery of energy: The invention relates to a process and device for the recovery of energy from the waste heat of thermal or chemical processes, wherein at least a portion of said waste heat evaporates a liquid via at least one heat transfer means or heats a vapour or a gas, increasing the...

20050262843 - Gas turbine engine combustor mixer: A gas turbine engine combustor fuel-air mixer includes a body having a substantially annular venturi and a longitudinal axis therethrough, an upstream end, a downstream end, and an inner surface. A primary radial jet swirler upstream of the venturi includes a plurality of radially extending primary air jets circumferentially and...

20050262846 - Combustion apparatus: A wall element for use as part of an inner wall of a gas turbine engine combustor wall structure is of cast construction and includes a plurality of cooling apertures provided therethrough and formed during the casting process. The cooling apertures may be located in positions where they could not...

20050262845 - Combustion liner having improved cooling and sealing: A gas turbine combustion liner is disclosed having an alternate interface region between it and a transition duct where the cooling effectiveness along the aft end of the combustion liner is improved, resulting in extended component life, while utilizing a simpler combustion liner geometry. The region of the combustion liner...

20050262844 - Combustion liner seal with heat transfer augmentation: A gas turbine combustion liner is disclosed having an alternate interface region between it and a transition duct where the cooling effectiveness and heat transfer along the aft end of the combustion liner is improved, resulting in extended component life. The region of the combustion liner proximate its second end...

20050262847 - Method and apparatus for gas turbine engines: A method for fabricating an augmentor includes fabricating an outer casing having at least one channel defined therein, fabricating a centerbody having at least one channel defined therein, fabricating a plurality of turbine frame vanes, wherein each turbine frame vane includes a first sidewall having a first channel defined therein,...

20050262848 - Methods and apparatus for operating gas turbine engines: A method for operating a gas turbine engine includes channeling compressed airflow discharged from a first compressor through an intercooler having a cooling medium flowing therethrough, channeling a working fluid through the intercooler to facilitate increasing an operating temperature of the working fluid, and channeling the discharged working fluid to...

20050262849 - Gas turbine control apparatus and gas turbine system using the same: In a gas turbine control apparatus, a frequency analyzing section frequency-analyzes at least one of pressure oscillation in combustors of a gas turbine and acceleration oscillation of each of the combustors and outputs a first frequency analysis result as the result of frequency analysis for a plurality of predetermined frequency...

20050262850 - Intra-body flow distributor for heat exchanger: A flow distributor for mounting in an inlet of a heat exchanger includes a nose cone and one or more diverting rings. The nose cone is aerodynamically shaped to divert impingent gas flow around the nose cone. A first diverting ring is spaced outwardly from the nose cone and can...