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Combustion patents

      

This page is updated frequently with new Combustion-related patent applications.




 Spark plug for internal combustion engine and production method thereof patent thumbnailSpark plug for internal combustion engine and production method thereof
A spark plug for an internal combustion engine is provided which includes a housing, a porcelain insulator, a center electrode, and an annular ground electrode. The housing has a small-diameter portion which has a smaller inner diameter and defines a front end thereof.
Denso Corporation


 Spark plug for internal combustion engine patent thumbnailSpark plug for internal combustion engine
A spark plug for an internal combustion engine is provided which includes a housing, a porcelain insulator, a center electrode, and an annular ground electrode. The housing has a small-diameter portion which has a smaller inner diameter and defines a front end thereof.
Denso Corporation


 Thermoelectric power generator and combustion apparatus patent thumbnailThermoelectric power generator and combustion apparatus
A small-scale thermoelectric power generator and combustion apparatus, components thereof, methods for making the same, and applications thereof. The thermoelectric power generator can include a burner including a matrix stabilized combustion chamber comprising a catalytically enhanced, porous flame containment portion.
University Of Central Florida Research Foundation, Inc.


 Change-out system for submerged combustion melting burner patent thumbnailChange-out system for submerged combustion melting burner
Liquid is delivered into a void between a burner and a melt vessel, which causes a skull of a material to form within an interior of the melt vessel. The void is in fluidic communication with the interior of the melt vessel.
Johns Manville


 Combustion device for gas turbine engine patent thumbnailCombustion device for gas turbine engine
A combustor includes: a combustion liner having a combustion chamber formed therein; a fuel injector mounted to a top portion of the combustion liner, and including a fuel injection member having a plurality of fuel injection annular portions and an air guide member including a plurality of combustion air annular portions that guide air for combustion; and a supplemental burner. The fuel injection annular portions and the combustion air annular portions are arranged concentrically and alternately.
Kawasaki Jukogyo Kabushiki Kaisha


 Combustor for gas turbine engine patent thumbnailCombustor for gas turbine engine
A gas turbine engine comprises a combustor. The combustor comprises an annular combustor chamber formed between an inner liner and an outer liner spaced apart from the inner liner.
Pratt & Whitney Canada Corp.


 Gas hot air gun head patent thumbnailGas hot air gun head
A gas hot air gun head includes a fuel supply device engagable with a gas reservoir and having a fluid inlet end, a fluid outlet end and a channel extending from the fluid inlet end to the fluid outlet end. Further, a flow-guiding device connects to the fluid outlet end of the fuel supply device and includes a combustor.
Pro-iroda Industries, Inc.


 Gas hot air gun head patent thumbnailGas hot air gun head
A gas hot air gun head includes a fuel supply device engagable with a gas reservoir and having a fluid inlet end, a fluid outlet end and a channel extending from the fluid inlet end to the fluid outlet end. Further, a flow-guiding device connects to the fluid outlet end of the fuel supply device and includes a combustor.
Pro-lroda Industries, Inc.


 Hydrocarbon fuel reactor for separating and purifying carbon dioxide patent thumbnailHydrocarbon fuel reactor for separating and purifying carbon dioxide
A reactor for hydrocarbon fuel is provided. The reactor uses interconnected fluidized beds (ifb) in chemical-looping combustion for multi-stage reduction reactions of an iron-based oxygen carrier, namely hematite (fe2o3).
Institute Of Nuclear Energy Research, Atomic Energy Council, Executive Yuan, R.o.c.


 Methods of melting feedstock using a submerged combuston melter patent thumbnailMethods of melting feedstock using a submerged combuston melter
Methods of maximizing mixing and melting in a submerged combustion melter (scm) are described. One method includes melting an inorganic feedstock in an scm using an arrangement of two or more submerged combustion (sc) burners, the scm having a length (l) and a width (w), a centerline (c), a north side (n) and a south side (s), and operating the arrangement of sc burners such that a progressively higher percentage of a total combustion flow from the sc burners occurs from sc burners at progressively downstream positions in the scm.
Johns Manville


Integrated mechanical/electrical transmission pump for vehicles equipped with engine start/stop system

A transmission oil pump system is disclosed for a vehicle equipped with an internal combustion engine, an automatic transmission and an automatic stop/start system. The transmission oil pump may include a drive shaft having one end mechanically coupled to the engine by a first clutch module and a second end mechanically coupled to an electric motor by a second clutch module.
Borgwarner Inc.

Fuel unit pump and internal combustion engine including a fuel unit pump

A fuel unit pump for an internal combustion engine includes a fuel unit pump body, a pumping plunger and a roller tappet for contacting a cam lobe of a rotatable shaft of the internal combustion engine. The roller tappet includes a roller tappet body connected to the pumping plunger, and a cam roller rotatably mounted on a cam roller carrier and defining a cam roller rotation axis.
Gm Global Technology Operations Llc

Method for operating a work apparatus having a combustion engine

The invention relates to a method for operating a work apparatus having a combustion engine. An ignition device is provided for triggering an ignition spark at a spark plug for igniting a fuel/air mixture in a combustion chamber of the combustion engine.
Andreas Stihl Ag & Co. Kg

Decoupling element for a fuel injection device

The decoupling element for a fuel injection device according to the invention is characterized in particular in that a low noise design is implemented. The fuel injection device includes at least one fuel injector and a receiving borehole in a cylinder head for the fuel injector, and the decoupling element between a valve housing of the fuel injector and a wall of the receiving borehole.
Robert Bosch Gmbh

Internal combustion engine utilizing two independent flow paths to a dedicated exhaust gas recirculation cylinder

An exhaust gas recirculation (egr) system and corresponding method for improved combustion efficiency of an internal combustion engine having a number of cylinders, comprising one or more main cylinders connected to an intake manifold and one or more cylinders operable as a dedicated egr cylinder(s). The dedicated egr cylinder(s) have two independent intake flow paths for where one flow path provides only intake air and one flow path provides air and recirculated exhaust gas.
Southwest Research Institute

Apparatus and oxy-combustion of fuels in internal combustion engines

A method and apparatus for the oxy-combustion of fuel in an internal combustion engine (ice) used to power a vehicle includes one or more air separation devices that separate oxygen from the atmospheric air to mix with the fuel and return the nitrogen to the atmosphere and converts the free energy available in the form of waste heat from the engine exhaust gas stream and coolant system on board the vehicle into electrical and/or mechanical energy, which energy is used to separate oxygen from air to eliminate or significantly reduce the volume of nitrogen entering the ice's combustion chamber, and thereby reduce nox pollutants released into the atmosphere and increase the concentration of co2 in the engine exhaust stream for capture using an integrated system to compress and increase the density of the captured co2 for temporary on-board storage until it is discharged at a recovery station, e.g., during vehicle refueling.. .
Saudi Arabian Oil Company

Internal combustion engine having structural frame

A structural frame is provided. The structural frame includes a bottom surface, first and second cylinder block sidewall engaging surfaces, the first and second cylinder block sidewall engaging surfaces positioned above the bottom surface at a height that is above a centerline of a crankshaft support included in a cylinder block when the structural frame is coupled to the cylinder block..
Ford Global Technologies, Llc

Control internal combustion engine

A control apparatus for an internal combustion engine is configured to: open a waste gate valve if switching operation modes from supercharged lean burn operation to stoichiometric burn operation and if it is necessary to decrease an air amount; control an exhaust variable valve train so that, during a response delay period accompanying the waste gate valve being opened, a first valve opening period ex1 and a second valve opening period ex2 are set and the second valve opening period overlaps with a valve opening period in; control a fuel injection valve so as to inject fuel of an amount necessary to realize the stoichiometric air-fuel ratio under a stoichiometric requested air amount during the response delay period; and control the second valve opening period ex2 of the exhaust valve so that, during the response delay period, the air amount comes close to the requested air amount.. .
Toyota Jidosha Kabushiki Kaisha

Fuel supply internal combustion engine

A fuel supply apparatus for an internal combustion engine includes a motor, a fuel pump, an alternator, a centrifugal clutch, and an electronic control unit. The centrifugal clutch is configured to, when the rotation speed of the output shaft of the motor is higher than or equal to an engaging rotation speed, connect the output shaft of the motor with the rotary shaft of the alternator.
Toyota Jidosha Kabushiki Kaisha

Fuel injection control device for internal combustion engine

To prevent generation of noise due to a misfire when a rotation speed is increased to an operational rotation speed immediately after low-temperature start, or is increased from an idling rotation speed in a low-temperature state to the operational rotation speed, an embodiment includes a fuel injection device capable of performing multi-stage injection of fuel accumulated in a common rail through an injector, a cooling water temperature sensor as a water temperature detection unit configured to detect a cooling water temperature of an engine, an exhaust temperature sensor as an exhaust temperature detection unit configured to detect the exhaust temperature of the engine, and an engine control unit as a control device. The control device executes a misfire avoiding mode in which the multi-stage injection is continued when the cooling water temperature is not lower than a predetermined water temperature t at start of the engine..
Yanmar Co., Ltd.

Control system of internal combustion engine

The control system of the internal combustion engine comprises a control part controlling an air-fuel ratio of the exhaust gas flowing into the exhaust purification catalyst. The control part alternately sets a target air-fuel ratio between a rich air-fuel ratio and a lean air-fuel ratio and controls the air-fuel ratio of the exhaust gas so that an output air-fuel ratio of the air-fuel ratio sensor becomes the target air-fuel ratio.
Toyota Jidosha Kabushiki Kaisha

Stop control system for direct-injection type internal combustion engine

A stop control system includes a direct-injection type internal combustion engine, a fuel injection valve, an accessory configured to be driven by the internal combustion engine, and a controller configured to operate the internal combustion engine. The controller is configured to control the accessory during a period from start of fuel cut to a moment immediately after the internal combustion engine stops, such that when the internal combustion engine stops completely, the output shaft comes, in a rotational direction, to a target stop position where an intake port is closed..
Mazda Motor Corporation

Combustion pre-chamber and operating same

An internal combustion engine includes a pre-chamber assembly including a wall having an internal surface opposite an external surface, the internal surface of the wall defining a combustion pre-chamber and at least one orifice extending to an aperture through the external surface of the wall; a block having an internal surface defining a bore therein; a piston disposed within the bore and configured for reciprocal translation within the bore, the piston, the bore, and the external surface of the wall at least partly defining a main combustion chamber, and the combustion pre-chamber being in fluid communication with the main combustion chamber via the at least one orifice; an energy source operatively coupled to the combustion pre-chamber; and an exhaust gas recirculation (egr) valve fluidly coupled to the combustion pre-chamber and an exhaust conduit of the internal combustion engine.. .
Caterpillar Inc.

Natural gas engine system with improved transient response

A natural gas engine system may have an engine having at least one cylinder. The engine may also have an intake manifold configured to deliver air for combustion to the cylinder and an exhaust manifold configured to discharge exhaust from the cylinder.
Caterpillar Inc.

Control internal combustion engine suppressing white smoke emissions

A control apparatus for an internal combustion engine is provided. The control apparatus includes a temperature sensor and an electronic control unit.
Toyota Jidosha Kabushiki Kaisha

Control internal combustion engine and control method therefor

The present invention relates to an internal combustion engine including a vtc controller for controlling driving of a variable valve timing device and an engine control module (ecm) for calculating and transferring a valve timing control command. In the present invention, each of the vtc controller and the ecm detects whether an abnormality of a communication circuit used for transferring a control command is present or not.
Hitachi Automotive Systems, Ltd.

Engine control system

The purpose of the present invention is to provide an engine control system that is capable of promoting mixing of fuel and air during exhaust gas recirculation, thereby suppressing combustion fluctuation of a gasoline engine, such that efficiency and exhaust gas purification can be simultaneously achieved. The engine control system controls an engine and is equipped with an injection device for injecting fuel directly into a cylinder and a recirculation device for recirculating exhaust gas to the intake side.
Hitachi Automotive Systems, Ltd.

Oil maintenance strategy for electrified vehicles

A method according to an exemplary aspect of the present disclosure includes, among other things, periodically adjusting powertrain operation of an electrified vehicle equipped with an internal combustion engine to progressively influence oil quality of oil of the internal combustion engine.. .
Ford Global Technologies, Llc

Vehicle including internal combustion engine for driving generator

A vehicle includes a generator, an internal combustion engine for driving the generator, a catalytic device, and a controller for controlling the operation of the internal combustion engine. At a start of the internal combustion engine to allow the generator to start generating electricity, the controller, until the catalytic device reaches an activated state, operates the internal combustion engine in a warm-up mode such that the driving force of the internal combustion engine for driving the generator is below a value at which electricity is generated, and the controller, after the catalytic device reaches the activated state, operates the internal combustion engine in an electricity generating operating mode such that the driving force of the internal combustion engine is enhanced to the value at which electricity is generated to allow the generator to generate a predetermined quantity of electricity..
Mazda Motor Corporation

Gas turbine combustion control device and combustion control method and program therefor

A combustion control device (50) is installed in a gas turbine including a compressor (2), combustors (3), a turbine (4), a bleed air pipe (12) through which bleed air is returned to an inlet of an air intake facility (7), and an air bleed valve (22) that regulates the amount of bleed air extracted. The combustion control device (50) includes: a fuel distribution setting unit (70) that sets a turbine inlet temperature or a turbine inlet temperature-equivalent control variable on the basis of input data, and sets fuel distribution ratios on the basis of the turbine inlet temperature or the turbine inlet temperature-equivalent control variable; and a fuel valve opening setting section (81) that sets the valve openings of fuel regulating valves.
Mitsubishi Hitachi Power Systems, Ltd.

Method for starting a gas turbine

A method of starting a gas turbine is provided, comprising the step of providing an apparatus for regulating the flow of fuel in a gas turbine, the apparatus comprising a main line connecting a fuel source to a nozzle array; and an auxiliary line connecting the fuel source to the nozzle array. The method further comprises the steps of keeping the main line sealed while increasing the auxiliary line fuel flow rate; firing the gas turbine while keeping the main line sealed; and after the combustion has started in the gas turbine, opening the main line for increasing the main line fuel flow rate; wherein the auxiliary line maximum flow rate is less than the main line maximum flow rate..
Nuovo Pignone Srl

Gas turbine plant and improving existing gas turbine plant

A gas turbine plant comprises: a gas turbine having a compressor configured to compress air, a combustor configured to mix compressed air compressed by the compressor with fuel to generate combustion gas, a turbine connected to the compressor and configured to acquire rotary power by the combustion gas, and an air bleeding piping configured to supply the compressed air bled off from the compressor to the turbine as cooling air; and an auxiliary compressed air supply apparatus having a separately placed compressor different from the compressor, a motor configured to rotate the separately placed compressor, and an auxiliary compressed air piping configured to connect the separately placed compressor to the air bleeding piping to supply auxiliary compressed air compressed by the separately placed compressor to the air bleeding piping. The gas turbine further includes a cooling apparatus connected to the air bleeding piping and configured to cool down the cooling air..
Mitsubishi Hitachi Power Systems, Ltd.

System and producing hydrogen

Provided is a system and a method which allow hydrogen to be produced both efficiently and in a stable manner when using exhaust gas produced by power generation as a heat source for the dehydrogenation reaction, controlling the temperature of the dehydrogenation reaction within an appropriate range. The system (1) for producing hydrogen comprises a dehydrogenation reaction unit (51) for producing hydrogen from an organic hydride by a dehydrogenation reaction in presence of a dehydrogenation catalyst; a first power generation unit (2) for generating electric power from energy of combustion gas produced by combustion of fuel; a waste heat recovery unit (3) for receiving heat from exhaust gas expelled from the first power generation unit; a heat exchanger (21) provided in the waste heat recovery unit for exchanging heat between the exhaust gas and a heat medium; and a circulation line (l1-l3) for introducing the heat medium heated in the heat exchanger to the dehydrogenation reaction unit in liquid form, and returning the heat medium expelled from the dehydrogenation reaction unit to the heat exchanger; wherein the heat medium is introduced into the dehydrogenation reaction unit at an introduction temperature ranging between 352° c.
Chiyoda Corporation

Combined-cycle combustion control type three-cylinder engine and controlling the same

A combined-cycle combustion control type three-cylinder engine includes: a cylinder block; and cylinders arranged in a row in the cylinder block and consisting of first, second, and third cylinders so that four-cycle combustion is performed in two of the first, second, and third cylinders and two-cycle combustion is performed in the remaining cylinder. A crankshaft is provided in first, second, and third pistons and converting reciprocating motions of the respective first, second, and third cylinders into rotational motions.
Hyundai Motor Company

Rotary internal combustion engine with variable volumetric compression ratio

A method of controlling an air intake flow in a rotary engine having primary and secondary inlet ports, including positioning the secondary inlet port rearwardly of the primary inlet port and forwardly of the exhaust port along a direction of a revolution of the rotor, and controlling air intake flows communicating between an air source and the primary and secondary inlet ports. During engine start-up, a primary valve is closed to prevent the intake air flow between the primary inlet port and the air source and a secondary valve is opened to allow the intake air flow between the secondary inlet port and the air source.
Pratt & Whitney Canada Corp.

Systems and harvesting energy from a turbocharger wastegate

A system includes a turbocharger, a wastegate, and one or more thermoelectric generators. The turbocharger includes a turbine and a compressor, and is configured to be coupled to an internal combustion engine.
General Electric Company

Cooling system of engine

A cooling system of an engine may include a cylinder liner formed in a hollow cylindrical shape and pressed against an inside of a cylinder of the engine, a block coolant jacket positioned in an outer side of the cylinder liner in a radial direction to cool a cylinder block, the cylinder block provided with the cylinder liner and the block coolant jacket therein, and a cylinder head engaged on the cylinder block, including an exhaust port and an intake port fluidically-communicated with a combustion chamber and respectively formed at an exhaust side and an intake side, and provided with a head coolant jacket inside, in which the block coolant jacket includes an upper coolant jacket and a lower coolant jacket and a division wall is disposed between the upper coolant jacket and the lower coolant jacket to block fluid flow therebetween.. .
Hyundai Motor Company

Method for determining the aging of an oxidation catalyst in an exhaust gas aftertreatment system of an internal combustion engine, detecting ash in a particle filter of an exhaust gas aftertreatment system, control device, and internal combustion engine

A method for determining the aging of an oxidation catalyst in an exhaust gas aftertreatment system of an internal combustion engine, having the following steps: ascertaining a soot burn rate of a particle filter of the exhaust gas aftertreatment system; adapting a function having at least one adaptation parameter to the soot burn rate dependent on at least one variable, a value of the adaptation parameter depending on an aging of the oxidation catalyst; and determining the aging of the oxidation catalyst using the adaptation parameter value ascertained by adapting the function.. .
Mtu Friedrichshafen Gmbh

Exhaust purification internal combustion engine

There is provided an exhaust purification apparatus for an internal combustion engine in which a catalyst capable of adsorbing and oxidizing hydrocarbon is provided in an exhaust pipe, the exhaust purification apparatus including temperature detection means for detecting a temperature of the catalyst, estimation means for accumulating a time during which the temperature of the catalyst detected by the temperature detection means is equal to or less than a predetermined temperature, and estimating an amount of hydrocarbon adsorbed on the catalyst from the accumulated time, and control means for controlling fuel ejection of the internal combustion engine in a first ejection mode in which the temperature of the catalyst is increased to a temperature where hydrocarbons adsorbed on the catalyst are oxidized, in a case in which the amount of hydrocarbons estimated by the estimation means exceeds a predetermined upper limit.. .
Isuzu Motors Limited

Exhaust gas purification internal combustion engine

In an exhaust gas purification apparatus for an internal combustion engine in which a filter for trapping pm, and a deflector for deflecting exhaust gas flowing into the filter, are arranged in an exhaust passage, in cases where a state continues in which the flow rate of the exhaust gas does not change relatively, regeneration processing of the filter is carried out so that a local excessive temperature rise resulting from non-uniform deposition of pm does not occur. When an integrated period of time, which is obtained by integrating a period of time in which an amount of change per unit time of a flow rate of the exhaust gas deflected by the deflector is equal to or less than a predetermined threshold amount of change, becomes equal to or more than a predetermined threshold period of time, during the time the regeneration processing is not carried out, the controller performing the regeneration processing of the filter carries out the regeneration processing before an estimated amount of pm deposited in the filter becomes equal to or more than a predetermined threshold amount of deposition..
Toyota Jidosha Kabushiki Kaisha

Heat recovery component for an exhaust gas system of an internal combustion engine

The valve comprises separate first and second valve flaps fixedly arranged on a shaft and extending in a plane defined by the first and second inlet axes and perpendicular to the first and second inlet axes. The first valve flap is arranged at an axial location on the shaft corresponding to the location of the first inlet, and the second valve flap is arranged at an axial location corresponding to the second inlet.

Diesel exhaust fluid deposit mitigation

One form of the present application is an apparatus including an internal combustion engine structured to produce an exhaust flow, an exhaust system structured to receive the exhaust flow, and a reductant injector structured to inject reductant into a primary passage of the exhaust system upstream of a catalyst. The apparatus further includes an injector passage structured to receive a portion of exhaust upstream of the injector and further structured to flow the exhaust into the primary passage around the injector in a manner such that deposit formation is reduced..
Cummins Emission Solutions, Inc.

Engine controller and methods for controlling emission and power generation system using the same

A method for controlling an emission amount in an exhaust gas stream emitted from a power generation system is presented. The method includes determining a pre-catalyst emission level using a combustion engine model.
General Electric Company

Method of operating an aftertreatment system of an internal combustion engine

A method of operating an aftertreatment system of an internal combustion engine having a lean nitrogen-oxides trap and a reductant storage device placed downstream of the lean nitrogen-oxides trap is disclosed. A regeneration of the lean nitrogen-oxides trap is performed.
Gm Global Technology Operations Llc

Connection pipe for connecting an active muffler to an exhaust system for an internal combustion engine

A connection pipe (7), for the fluidic connection of a muffler housing (5) of an active muffler (4) with an exhaust gas-carrying pipe (3) of an exhaust line (2) of an exhaust system (1) for an internal combustion engine, of a motor vehicle, has a pipe wall (8), which envelopes a connection space (9) leading from the muffler housing to the exhaust pipe. A cooling pipe (14), through which a coolant can flow, has an inlet section (15) and an outlet section (16) and is arranged in the connection space.
Eberspächer Exhaust Technology Gmbh & Co. Kg

Exhaust gas muffler

An exhaust gas muffler of an internal combustion engine, including a muffler housing having an exhaust gas inlet and an exhaust gas outlet and including a first helmholtz resonator made of a first housing portion that delimits a first helmholtz volume and includes a first coupling pipe. At least one second helmholtz resonator is provided made of a second housing portion that delimits a second helmholtz volume and includes a second coupling pipe via which the second helmholtz volume can be coupled to an exhaust gas flow a of the exhaust gas inlet.
Tenneco Gmbh

Exhaust system for internal combustion engine

An exhaust system for an internal combustion engine, configured to enhance a silencing effect while being miniaturized. The exhaust system includes a muffler body configured in such a manner that a first expansion chamber and a second expansion chamber separated from each other are partitioned therein.
Honda Motor Co., Ltd.

Method for operating an oil circuit, in particular for a vehicle

A method for operating an oil circuit for a vehicle, the oil circuit being configured to supply oil to an internal combustion engine, wherein the oil circuit includes an oil cooler, and wherein at least one temperature sensor measures the temperature of the oil flowing through the oil circuit, downstream of the oil cooler and upstream of the internal combustion engine, the temperature sensor being connected for signaling purposes to a regulating and/or control device, includes: controlling and/or regulating, by the regulating and/or control device, the temperature of the oil flowing through the oil circuit, such that the temperature measured by the temperature sensor has a defined target temperature value; and setting and/or adjusting, by the regulating and/or control device, as a function of a drive power of the internal combustion engine, the defined target temperature value so as to reduce fuel consumption of the internal combustion engine.. .
Man Truck & Bus Ag

Enhanced condenser for a waste heat recovery system

A waste heat recovery system for use with a cooling system of an internal combustion engine is provided. The waste heat recovery system comprises a condenser, a pump, a fluid reservoir, a heat exchanger, an expansion device, and an auxiliary cooling device.
Dana Limited

Enhanced waste heat recovery system and method allowing global optimal control

A waste heat recovery system and control system and method of controlling a waste heat recovery system and control system is provided. The waste heat recovery system and control system comprises a pump, a heat exchanger, an expansion device, a condenser, a plurality of sensors, and a controller.
Dana Limited

Coolant energy and exhaust energy recovery system

The present teachings include a power generation system for recovering waste heat energy from a power plant having a coolant circuit that extends through the power plant. The coolant circuit may also include a radiator and a coolant pump configured to circulate the coolant between the internal combustion engine and the radiator.
Eaton Corporation





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