|| List of recent Combustion-related patents
|Combustion ratio calculating method for exhaust gas heating apparatus|
In a method according to the present invention for calculating the combustion ratio rc of fuel added to an exhaust passage, the temperature to of the exhaust gas flowing in the exhaust passage located downstream of a region in which the fuel added to the exhaust passage is burned is acquired; the thermal capacity ce of the exhaust gas is acquired; the energy quantity qf of the fuel supplied to the exhaust passage is acquired; an increase Δto in exhaust temperature to immediately before the exhaust gas is heated is obtained; a change ratio dto of the exhaust temperature to immediately before the exhaust gas is heated is obtained; a parameter z relevant to the exhaust gas flowing in the exhaust passage is acquired; and the combustion ratio rc of the fuel added to the exhaust passage is calculated in accordance with rc=(ce/qf)(z·dto+Δto).. .
|Method and device for operating an exhaust gas recirculation of a self-ignition internal combustion engine, in particular of a motor vehicle|
A method and a device for operating an exhaust gas recirculation of a self-ignition internal combustion engine, in particular of a motor vehicle, the internal combustion engine including an air system for controlling the air supply into at least one combustion chamber of the internal combustion engine, and it being provided in particular that a dynamic operating state of the internal combustion engine is detected and, in the event of a detected dynamic operating state, a corrective intervention in the air system of the internal combustion engine is carried out.. .
|Variable displacement engine control system and method|
Methods and systems are provided for adjusting an ignition energy provided to an engine cylinder upon reactivation from a vde mode of operation. Ignition energy is increased by increasing an ignition coil dwell time and/or an ignition coil strike frequency.
|Method for operating an internal combustion engine|
A method for operating an internal combustion engine having two or more cylinders to which fuel can be supplied via an injection valve, it being possible to carry out a measurement injection for a cylinder in order to determine and/or adapt a characteristic quantity of the injection valve, and all the cylinders being ignited in the course of an ignition cycle. To improve the operating characteristics, a measurement injection is carried out for those cylinders that are contained in a specifiable selected set selected from all the cylinders..
|Control device for internal combustion engine|
The present invention addresses a solution of improving precision with which requested torque at a time of a transient operation is realized in a control device for an internal combustion engine that controls torque that is generated by an internal combustion engine by control of an air amount by means of a throttle. To this end, the present control device calculates a target intake pipe pressure for realizing a target air amount, and calculates predicted pump loss from the target intake pipe pressure.
|Power generation system that prevents a generator from supplying power to a load|
A power generation system includes a generator that includes an alternator and an internal combustion engine configured to drive the alternator to generate power. The power generation system further includes a sensor that detects the presence of a fire condition and a controller that prevents the generator from supplying power when the sensor detects the fire condition..
|Method for removal of radioactive cesium and facility therefor|
To provide a method and an apparatus for removing radioactive cesium from waste containing radioactive cesium at low cost. A radioactive cesium removal apparatus 1 including: an incinerator 22 for burning an inflammable waste polluted with radioactive cesium; a suspension preheater 23 for, with the combustion exhaust gas g5 and a sensible heat of the incineration ash of a combustible c discharged from the incinerator, generating calcium oxide or/and magnesium oxide from a source of calcium oxide or/and a source of magnesium oxide, cyclones of the suspension preheater being arranged in multistages; a rotary kiln 21 for burning an inorganic substance s polluted with radioactive cesium together with the calcium oxide or/and the magnesium oxide and the incineration ash d3 including the radioactive cesium; and collectors 31, 32 for collecting cesium volatilized in the rotary kiln..
|Lubricating oil composition|
A lubricating oil for an internal combustion engine is disclosed. The lubricating oil can provide reduced friction and can cope with environmental regulations requiring a high corrosion-preventing effect.
|Clamping device for a belt drive|
A clamping device (2) for a starter generator belt drive of an internal combustion engine. The clamping device includes a tensioner housing (8), a tensioning arm (17) mounted movably therein, and two idlers (6, 7), one of which is mounted to the tensioning arm and the other of which is mounted to the tensioner housing (8) in a stationary manner.
|Process for producing an adjustable gas composition for fuel cell application|
A method for producing an adjustable gas composition to be used as an anode gas for a fuel cell, such as a solid oxide fuel cell (sofc), is performed in a system comprising (a) a fuel processing unit (1), wherein a hydrocarbon fuel raw material is converted to reformate gas, a combustion unit (2), wherein the reformate gas from the fuel processing unit (a) is partially or completely burned with an oxygen gas source, and (c) a post-processing unit (3), wherein the equilibrium composition of the reformate gas is catalytically changed by varying the temperature of the catalytic bed in the unit or by partially combusting the feed gas to the post-processing unit in the preceding combustion unit (2).. .
|Integrated power generation and carbon capture using fuel cells|
Systems and methods are provided for capturing co2 from a combustion source using molten carbonate fuel cells (mcfcs). The fuel cells are operated to have a reduced anode fuel utilization.
|Exhaust gas purification system and exhaust gas purification method|
An exhaust gas purification system which feeds hydrocarbon by a post-injection under preset conditions to an upstream side of an exhaust gas purification device positioned on the exhaust path of an internal combustion engine, restoring the purifying capacity of the device or purifying the exhaust gas of the device. Under hydrocarbon feed conditions, if a combination of the exhaust gas temperature and exhaust gas flowrate or intake flowrate during control is deemed to be in a misfire region in which hydrocarbon which is fed to the exhaust path no longer combusts in the exhaust gas purification unit, the feed of hydrocarbon is stopped.
|High voltage cable detection using rotating machine in hybrid vehicles|
A system and method described herein detects the presence of an unconnected condition in high voltage component cables in an electric or hybrid-electric vehicle having a high voltage battery or energy storage system. The system includes a mechanical motive device, such as a combustion engine, which is used to rotate an electrical machine (e-machine).
|Injector for a system for feeding gas fuel to an internal combustion engine|
An injector for a system for feeding gas fuel to an internal combustion engine has an inlet mouth for the fuel into the injector, houses therein a shutter which is moveable between a closed position and an open position of an outlet mouth of the fuel from the injector, and is defined by an inlet body provided with the inlet mouth and a first actuating device to displace the shutter in an open position thereof and at least two interchangeable outlet modules, each of which is adapted to be releasably fixed to the inlet module, and is provided with a relative outlet mouth, a relative shutter, and a relative second actuating device to displace the shutter in a closed position thereof.. .
|High velocity oxy-liquid flame spray gun and process for coating thereof|
Present invention relates to a high velocity oxy-liquid fuel spray gun, wherein said spray gun has a combustion chamber designed with outlet offset to the combustion chamber, a water inlet towards front side of the gun; and a narrow stabilizer arranged at 45 degree or 70 degree, inline of oxygen connector, fuel connector spark plug.. .
|System and method for reducing power train air resistance|
A vehicle system, comprising an internal combustion engine, a transmission enclosed within a transmission case coupled to a gaseous fuel source, the transmission case having an amount of gaseous fuel located therein. Housing the transmission in a case containing low density gaseous fuel reduces the power losses from air resistance and increases fuel efficiency..
|Cooling and control of a load bank used in a power generation system|
A power generation system that may include a generator having an alternator and an internal combustion engine configured to drive the alternator to generate power. The alternator may convert the mechanical energy created by the engine to electrical energy, such as alternating current.
|Cooling of an electric motor via heat pipes|
System (10) for cooling an electric motor (12) of a vehicle with a hybrid motor comprising an electric motorization system (12) and an internal combustion motorization system (11), the internal combustion motorization system (11) comprising at least one fluid circulation circuit, characterized in that the system comprises a heat storage tank (14), in that said tank is connected to the fluid circulation circuit and to the electric motorization system via heat pipes (20).. .
|Smokeless propellant composition containing bismuth-based compound and method of preparing the same|
A smokeless high-energy solid propellant composition, which contains a bismuth-based compound as a combustion improver and exhibits a low pressure exponent, and a method of preparing the same are provided. The propellant composition contains the bismuth-based compound, thus ensuring preparation processability of the propellant, especially pot-life, and thereby a propellant curing system can be changed thus ensuring reliability of the propellant preparation processability, unlike temperature control and curing inhibition catalyst addition methods published to date.
|Photocatalytic material and glazing or photovoltaic cell comprising said material|
A material includes a glass or glass-ceramic sheet provided on at least one portion of one of its faces with a photocatalytic coating based on titanium oxide deposited on a silica-based sublayer deposited by combustion chemical vapor deposition, the roughness ra of which is between 4 and 30 nm, limits included.. .
|Crossover valve in double piston cycle engine|
An internal combustion engine, including a combustion chamber with a first aperture; a compression chamber with a second aperture; and a crossover valve comprising an internal chamber, first and second valve seats, a valve head, and first and second valve faces on the valve head, wherein the first aperture allows fluid communication between the combustion chamber and the internal chamber, the second aperture allows fluid communication between the compression chamber and the internal chamber, the first valve face couples to the first valve seat to occlude the first aperture, and the second valve face couples to the second valve seat to occlude the second aperture.. .
|Vehicle control apparatus and vehicle control method|
If the pressure in a supply passage drops at a speed greater than a first determination speed in a state in which a first mode for supplying gas fuel to an internal combustion engine is selected, a control apparatus inhibits selection of the first mode. Then, the control apparatus switches from the first mode to a second mode, in energy other than gas fuel is used.
|Method for learning a minimum actuation duration of fuel injectors of an internal combustion engine|
A method for learning and determining a minimum injector-specific electric actuation duration for at least one fuel injector of an internal combustion engine of a motor vehicle. Starting with a predefined electric actuation duration which definitely does not result in an injection, the electric actuation duration is gradually increased in each engine stop and/or in each engine start in successive engine stops and/or in successive engine starts of the internal combustion engine up to an actuation duration in which an injection with a combustion occurs, and then this actuation duration may be determined as the minimum electric actuation duration.
|Propulsion device and method for operating same using a partially oxidized diesel fuel|
A propulsion device for vehicles includes a device for the partial oxidation of fuel, a fuel tank and a diesel internal combustion engine. The device for the partial oxidation of fuel is in fluid connection with the fuel tank and the diesel internal combustion engine, with the result that at least some of the fuel carried in the vehicle is taken for partial oxidation before combustion in the diesel internal combustion engine.
|Control apparatus for internal combustion engine|
A control apparatus for an internal combustion engine having a throttle valve disposed in an intake passage of the engine is provided. A wide-open intake air amount, which is an intake air amount corresponding to a state where the throttle valve is fully opened, is calculated, and a theoretical intake air amount, which is an intake air amount corresponding to a state where no exhaust gas of the engine is recirculated to a combustion chamber of the engine, is calculated according to the wide-open intake air amount and the intake pressure.
|Fuel injector assembly and fuel injection system|
A fuel injector assembly is adapted to inject a compressed fuel into a combustion chamber of an internal combustion engine. The compressed fuel is stored in a fuel storage tank at a fuel storage pressure and delivered to the fuel injector assembly through a fuel supply line at a fuel supply pressure.
|Oil management system for an internal combustion engine, and a method for oil management of such an engine|
Disclosed is an oil management system for an internal combustion engine that includes a crankcase. The oil management system includes a first container for storage of a first quantity of oil and a second container for temporary storage of a predetermined second quantity of oil.
|Internal combustion engines and related methods|
In general, the disclosed apparatus is an internal combustion engine with a revolving gateway of fuel and exhaust ducts above the engine block. In operation, orifices in the fuel and exhaust ducts are interchangeably interfaced with an opening in a combustion chamber of the engine block during intake and exhaust strokes respectively of the combustion chamber's piston..
|Torque increase resonator|
A torque increase resonator includes: a plurality of resonance pipes that extend outward from an intake passage supplying air to an internal combustion engine; one resonance chamber that is formed so that end portions of extending portions of the plurality of resonance pipes are positioned in an internal space of the resonance chamber; and a valve that opens and closes an opening of the extending portion of at least one resonance pipe of the plurality of resonance pipes, wherein the intake passage and the resonance chamber communicate with each other through the plurality of resonance pipes, and the plurality of resonance pipes are close to each other, and are disposed on a downstream side of a throttle in a flow direction of air in the intake passage.. .
|Liquid fuel compositions|
Fuelling such liquid fuel composition in an internal combustion engine improves the fuel economy performance of an internal combustion engine.. .
|Methods to improve fuel combustion efficiency and lower exhaust pollution in spark ignited internal combustion engines|
Methods of using mixtures containing gasoline type fuels composed primarily of hydrocarbon volatiles falling in a c4-c10 range in a spark ignited internal combustion engine are described.. .
|Lost motion reciprocation splitter|
A driver that reciprocates has its reciprocation divided into a non-actuating portion and an actuating portion. The driver in one embodiment positions a carrier that has two pins, each pin being slidably mounted in its slot on a housing.
|Marking labels for drive chains|
A drive chain for an internal combustion engine, e.g. A timing chain, comprises a plurality of chain links, which each include at least one chain link plate and which are interconnected via a chain hinge.
|Oxygen enhanced combustion of biomass|
The energy output of a power plant combustion chamber that combusts fuel comprising biomass as all or part of the fuel can be increased by feeding oxygen into the combustion chamber so that said fuel is in contact with gaseous oxidant whose oxygen content exceeds that of air by up to 5 vol. % above that of air..
|Waste gasification melting furnace|
[solution] a waste gasification and melting furnace (1) provided with: a shaft section (2), which has a waste placement port (21) and a furnace gas outlet (22) at the upper end and an opening (23) from which waste is discharged at the bottom end and which dries and pyrolytically decomposes the waste that has been filled therein; a melting furnace section (4), which is disposed so that the furnace core is offset from the shaft section (2) and which has, at the upper end, an opening (46) where the pyrolitically decomposed waste and a carbonaceous solid fuel are supplied and, at the bottom end of the blast furnace, a tuyere (42) where oxygen-enriched air for combustion is blown in; and a communicating section (5) that connects the opening (23) at the bottom of the shaft section to the opening (46) at the upper end of the melting furnace section. The furnace has a configuration wherein the communicating section is provided with: a carbonization grate section (3) disposed at a position that accepts the weight of the waste filled in the shaft section (2); a ventilation device (3) that sends air for drying and pyrolytic decomposition from the carbonization grate section (3) into the shaft section (2) so as to account for 60% or more of the total amount of oxygen blown into the furnace; and a supply device (3) that supplies pyrolytically decomposed waste on the carbonization grate section to the opening (46) at the upper end of the melting furnace section (4)..
|Gas generator provided with a safety device for slow warm-ups|
The present invention relates to a gas generator (10) comprising a body (12) delimiting at least one part of a combustion chamber (20), said part housing a primary pyrotechnic charge (16) adapted to generate gases in the combustion chamber (20) when said charge is initiated in combustion, and a slide valve (60) located outside said body (12) and defining with the latter a second chamber (66) housing a secondary pyrotechnic charge (74) whereof the self-ignition temperature is less than that of the primary pyrotechnic charge (16). A gas flow channel (50) for flowing gas out of the combustion chamber (20) is formed in the body (12).
Disclosed is a device that includes a natural-gas compression system having a natural-gas powered combustion engine, a compression cylinder configured to receive natural gas and output compressed natural gas, a piston disposed in the compression cylinder and configured to translate through the compression cylinder in response to mechanical power received from the natural-gas powered combustion engine, and a variable-volume head mounted to the compression cylinder and configured to vary a compressed volume of the compression cylinder. In some instances, the variable-volume head includes a head body, an adjustment screw rotatably coupled to the head body, a plug moveable in threaded engagement with the adjustment screw, and an anti-rotation device coupled to the plug, the head body, or both.
|Non-combustion pneumatic-vacuum engine|
An engine includes cylinders using pressure differences to motivate the pistons. Each cylinder has a first outlet in its' first end, the first outlet being coupled to a vacuum chamber via a first valve and a first conduit, a second outlet in the cylinder's first end, the second outlet being coupled to an air pressure chamber via a second valve and a second conduit, a third outlet in the cylinder's second end, the third outlet being coupled to the vacuum chamber via a third valve and a third conduit, and a fourth outlet in the cylinder's second end, the fourth outlet being coupled to the air pressure chamber via a fourth valve and a fourth conduit.
|Torque transmission device|
A torque transmission device for starting an internal combustion engine using a permanently engaged starter motor for a start-stop system. An annular gear connected with the starter motor includes a bearing for decoupling the starter motor from the engine based upon the rotational speed difference between the internal combustion engine and the starter motor.
|Method for detecting detonation phenomena in an internal combustion engine|
A method for detecting the development of detonation phenomena in an internal combustion engine (1) which includes determining the variance (σi) of each combustion taken into account for a given cylinder (2) and in a given engine point as a function of the comparison between the detonation energy (μi) of each combustion taken into account and the self-learnt mean detonation energy (μi—m) for the given cylinder (2) and in the given engine point; calculating the maximum variance (σi—max) for a given cylinder (2) and in a given engine point with a reduction of the spark advance actuated in the given cylinder (2); and determining the development of detonation phenomena for each combustion taken into account as a function of the comparison between the maximum variance (σi—max) and the variance (σi) of each combustion taken into account for a given cylinder (2) and in a given engine point.. .
|Device for testing pressure sensors for internal combustion engines|
The invention relates to a device for testing pressure sensors for internal combustion engines, comprising a pressure chamber, which has an inlet opening, an outlet opening, and a test opening for receiving a pressure sensor to be tested, a valve for opening and closing the inlet opening, and a valve for opening and closing the outlet opening. The valve for opening and closing the inlet opening comprises a rotatably mounted roll as a closing element.
|Method and an apparatus for producing energy by recycling materials during a fuel combustion process|
The present invention relates to a method for producing energy by recycling materials during a fuel combustion process, wherein the fuel combustion process comprises combusting fuel introduced into the fuel combustion process. Further, the invention relates to an apparatus for producing energy by recycling materials during a fuel combustion process..
|Combustor and method for supplying fuel to a combustor|
A combustor (10) includes a cap (16), a liner (20), a transition piece (24), and a combustion chamber (22) located downstream from the cap (16) and defined by the cap and liner. A secondary nozzle (40) circumferentially arranged around the liner (20) or transition piece (24) includes a center body, a fluid passage through the center body, a shroud circumferentially surrounding the center body, and an annular passage between the center body and the shroud.
|Gas turbine with coulombic thermal protection|
A gas turbine is configured to operate with a high temperature combustion gas stream. The gas turbine may include a combustor that provides a combustion gas stream including charged particles and at least one turbine stage including at least one high temperature surface that may be driven with a voltage selected to repel the charged particles.
|Combustion nozzle with floating aft plate|
The present application provides a combustion nozzle for use with a gas turbine engine. The combustion nozzle may include a number of mixing tubes, an outer shell surrounding the mixing tubes, and a floating aft plate assembly.
|Combustors with complex shaped effusion holes|
A combustor is provided for a turbine engine. The combustor includes a first liner having a first side and a second side and a second liner having a first side and a second side.
|Combustor skin assembly for gas turbine engine|
A combustor assembly includes a hot skin of a combustion chamber wall having an inner face exposed to the combustion chamber and an opposite outer face, a receiving skin having a securing portion affixed to the hot skin outer face in an air-tight manner and a receiving flange, extending from the securing portion, that is offset from the hot skin outer face to form a female recess, a cold skin having a cold wall portion spaced from the hot skin and forming a cooling cavity therebetween, a securing portion extending from a first end of the cold wall portion affixed to the hot skin outer face in an air-tight manner and a male flange extending from a second end of the cold wall portion opposite the first end, the male flange snugly received in the female recess and forming a sliding engagement therebetween.. .
|Injectors for multipoint injection|
An injector for a multipoint combustor system includes an inner air swirler which defines an interior flow passage and a plurality of swirler inlet ports in an upstream portion thereof. The inlet ports are configured and adapted to impart swirl on flow in the interior flow passage.
|Gas turbine engine combustor with integrated combustor vane|
A combustor section for a gas turbine engine includes a combustor vane which extends at least partially into a combustion chamber.. .
|Gas turbine engines having plasma flow-controlled intake systems|
Embodiments of a gas turbine engine (“gte”) are provided, as are embodiments of a plasma flow-controlled intake system for deployment on a gte. In one embodiment, the gte includes a turbine section, a combustion section upstream of the turbine section, a compressor section upstream of the combustion section, and intake section upstream of the compressor section.
|Distributed combined cooling, heating and power generating apparatus and method with internal combustion engine by combining solar energy and alternative fuel|
The present invention provides a distributed combined cooling, heating and power generating apparatus with an internal combustion engine by combining solar energy and alternative fuel and a method thereof, the apparatus comprising: an energy storage system for combined reaction between solar energy and alternative fuel, a solar fuel internal combustion engine generating system, a lithium bromide refrigeration system for absorbing exhaust heat of flue gas of solar fuel, a reaction device for recovering exhaust heat of flue gas, a heat exchanger for recovering exhaust heat of exhaust gas and a cylinder jacket and water plate heat exchanger. According to the present invention, solar energy is combined with alternative fuel to achieve conversion of solar energy to fuel chemical energy, such that solar energy is stored in form of synthesis gas fuel and combined with the combined cooling, heating and power generating system, which possesses high energy storing intensity, includes small volume of storing device, and achieve the objects of cooling, heating and power combination in low cost and high efficiency, thereby effectively solving the problem of difficulty in storage, and high cost and low efficiency in usage..
|Spark ignition internal combustion engine having intake valves with variable actuation and delayed closure|
A spark-ignition supercharged internal-combustion gasoline engine is equipped with a system for variable actuation of the intake valves including a pressurized fluid chamber set between intake valve and a respective control cam, and an electrically actuated valve, the opening of which vents the pressure chamber so as to cause rapid closing of the valve, as a result of the respective elastic return means, even when the respective cam would tend to keep the valve open. The variable-valve-actuation system is used in combination with control cams of the intake valves shaped in such a way as to generate an intake valve lift profile including a boot portion with substantially constant lift.
|Control device for internal combustion engine|
An internal combustion engine control device that acquires the temperature of a catalyst disposed in an exhaust path, and detects an abnormal combustion that has occurred in a combustion chamber. The control device includes a gas control unit, which controls the amount of intake gas flowing into the combustion chamber and the temperature of exhaust gas flowing into the catalyst, and a fuel injection amount control unit, which controls the amount of fuel injected into the combustion chamber.
|Multiple cavern compressed air energy storage system and method|
An energy system for storing pressurized air and utilizing the pressurized air to generate electricity includes a first storage cavern, a second storage cavern, an air compressor in fluid communication with the first and second storage caverns, an electric generating mechanism, a combustion chamber, a controller and a recuperator. The air compressor is in fluid communication with a compressor piping system, the electric generating mechanism and the combustion chamber are in fluid communication with a generator piping system and the recuperator is in fluid communication with an exhaust piping system and the generator piping system.
|Engine having integrated exhaust manifold with combined ducts for inside cylinders and outside cylinders|
An internal combustion engine has a cooling jacket at least partially integrated in the cylinder head. The engine has two groups of cylinders: inside cylinders and outside cylinders.
|Unit for recovering thermal energy from exhaust gas of an internal combustion engine|
A unit for recovering thermal energy from exhaust gas of an internal combustion engine including an inlet, an outlet, a heat exchanger arranged downstream of the inlet and upstream of the outlet, and a valve capable of being switched between a recovery position. The exhaust gas flows from the inlet through the heat exchanger to the outlet, and a bypass position, in which the exhaust gas flows from the inlet through a bypass to the outlet.
|Device and method for estimating ideal air-fuel ratio in internal combustion engine, method of estimating oxygen storage capacity of catalyst, internal combustion engine device and motorcycle incorporating internal combustion engine device|
A method of estimating an ideal air-fuel ratio in an internal combustion engine, comprises receiving an output of an upstream air-fuel ratio sensor and an output of a downstream air-fuel ratio sensor, the upstream air-fuel ratio sensor being attached to an exhaust gas passage such that it is positioned upstream of a catalyst provided in the exhaust gas passage to purify an exhaust gas, the downstream air-fuel ratio sensor being attached to the exhaust gas passage such that it is positioned downstream of the catalyst; detecting a state in which the catalyst does not store or release oxygen based on the output of the downstream air-fuel ratio sensor; and deciding as an estimated ideal air-fuel ratio in the internal combustion engine an air-fuel ratio detected by the upstream air-fuel ratio sensor when the state in which the catalyst does not store or release oxygen is detected.. .
|Method, apparatus, and system for optimizing exhaust backpressure of internal combustion engine|
A method for optimizing exhaust backpressure of an internal combustion engine, comprising the following steps: 1) arranging a damping component in an exhaust passage of the internal combustion engine, and allowing an exhaust discharged by the internal combustion engine to pass through the damping component; and 2) allowing the exhaust to be cooled prior to passing through the damping component, or allowing the exhaust to be cooled while passing through the damping component. The method allows for relatively high exhaust backpressure when the internal combustion engine has a low load, and for preventing the exhaust pressure from rising excessively rapid when the internal combustion engine has a heavy load.
|Exhaust system having a flow rotation element and method for operation of an exhaust system|
An exhaust system in an engine is provided. The exhaust system includes an exhaust passage including an outlet, in fluidic communication with at least one combustion chamber in the engine, and integrated into a cylinder head in the engine and a flow rotation element including at least one vane, the flow rotation element positioned in the outlet of the exhaust passage swirling exhaust airflow exiting the exhaust passage..
|Providing oxidation to a gas turbine engine|
A gas turbine engine includes a compressor for compressing air from an environment; a combustor for receiving the compressed air from the compressor, mixing the compressed air with fuel, and combusting the fuel; a turbine coupled with the compressor for receiving exhaust gas from the combustion and powering the compressor; and an injector coupled with a source of oxidizer for injecting the oxidizer into the combustor. A method for operating a gas turbine engine includes compressing air from an environment; receiving the compressed air at a combustor; mixing the compressed air with fuel; injecting oxidizer into the combustor in addition to the air from the environment; combusting the fuel with the compressed air and the oxidizer; receiving exhaust gas from the combusted fuel; and powering the compression of the air from the environment using the exhaust gas..
|Air regulation for film cooling and emission control of combustion gas structure|
A gas turbine engine compressed air flow control arrangement, including: a combustion gas structure having an acceleration geometry (20) configured to receive combustion gas (18) from a can combustor and accelerate the combustion gas (18) to a speed appropriate for delivery onto a first row of turbine blades, the combustion gas structure defining a straight combustion flow path; a film cooling hole (58) disposed through the combustion gas structure at a location within or downstream of the acceleration geometry (20); a sleeve (64) surrounding at least a portion of the combustion gas structure comprising the film cooling hole and defining a volume (62) between the combustion gas structure and the sleeve (64); and an adjustable flow control system configured to adjust a flow volume between the plenum (44) and the volume (62).. .
|Power vehicle with adjustable velocity profiles|
Embodiments of the present invention relate to powered vehicles (e.g., lawn mowers) and, more particularly, to a control system for use with such a vehicle. In one embodiment, the vehicle includes a power source such as an internal combustion engine and one or more drive control levers incrementally movable between a neutral position and a maximum velocity position.