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Combustion patents

      

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




 Method and system for monitoring rotor blades in combustion turbine engine patent thumbnailnew patent Method and system for monitoring rotor blades in combustion turbine engine
In accordance with one embodiment, a method for monitoring the health of blades in a combustion turbine engine is provided. Sensors mounted around the circumference of a rotor sense and record the passage of blades during turbine operation.
Florida Power & Light Company


 Control system and control  internal combustion engine patent thumbnailnew patent Control system and control internal combustion engine
A control system for an engine including a limiting current sensor, the control system includes an ecu configured to: execute a sweep process for gradually reducing a voltage that is applied to the sensor from a first voltage to a second voltage; acquire an extreme value of an output current of the sensor during execution of the sweep process from output currents of the sensor while a voltage included in a specific voltage range is applied to the sensor, the extreme value being predicted to be output; and detect the concentration of sox in exhaust gas based on the extreme value and a reference value, the reference value being a value of limiting current of the sensor, the value of limiting current of the sensor corresponding to the concentration of oxygen having the constant value.. .
Toyota Jidosha Kabushiki Kaisha


 Device for atmosphere conditioning for testing combustion engines, and associated method and use patent thumbnailnew patent Device for atmosphere conditioning for testing combustion engines, and associated method and use
The invention relates to an atmosphere conditioning device for testing engines, comprising an inflow conduit connected to an engine admission, an outflow conduit connected to the exhaust of the engine and expelling exhaust gases, a communication conduit which communicates the inflow conduit with the outflow conduit, a supercharging turbogenerator comprising a turbine in the inflow conduit, a bypass valve which diverts the air flow that circulates towards the turbine, a heat regenerator consisting of heat exchangers in the inflow and outflow conduits, connected by the same heat transfer fluid circuit, a bypass valve in the outflow conduit together with the heat exchanger thereof, a heat exchanger in the outflow conduit downstream from the heat regenerator, and a turbocompressor downstream from the heat exchanger.. .
Universidad PolitÉcnica De Valencia


 Column heater with improved heat output patent thumbnailnew patent Column heater with improved heat output
A radiant area heater includes a columnar base with a hollow compartment and a heating column disposed on the columnar base. The heating column includes a control portion with at least one controller, a burner, and a sparker and a flame portion that includes a combustion chamber.
Bond Manufacturing Company


 Combustor liners with rotatable air guiding caps patent thumbnailnew patent Combustor liners with rotatable air guiding caps
A combustion liner includes air guiding caps which are respectively engaged to a mounting member and are turned in a flow direction of air so as to collect a fluid flowing around the combustion liner and feed it to the combustion liner, thereby smoothly introducing cooling air into the combustion liner. The combustion liner includes a plurality of through-holes which are formed in a surface of the combustion liner; and a plurality of air guiding caps provided on the combustion liner in plural rows arranged at regular intervals in a circumferential direction.
Doosan Heavy Industries & Construction Co., Ltd.


 W501 d5/d5a df42 combustion system patent thumbnailnew patent W501 d5/d5a df42 combustion system
An improved combustion section for a gas turbine engine is disclosed. A fuel nozzle includes new features which provide improved injection patterns of oil fuel and cooling water, resulting in better control of combustion gas temperature and nox emissions, and eliminated impingement of cooling water on walls of the combustor.
Siemens Energy, Inc.


 Electrically heated burner patent thumbnailnew patent Electrically heated burner
A burner includes an electrically powered heater configured to output heat energy to a burner portion configured to contact a fuel stream or a combustion reaction supported by the fuel stream.. .
Clearsign Combustion Corporation


 High output porous tile burner patent thumbnailnew patent High output porous tile burner
A method of operation of a burner system includes introducing a fuel stream into a perforated flame holder, combusting the fuel stream, with a majority of the combustion occurring between an input face and an output face of the flame holder, and producing a heat output from the combustion of at least 1.5 kbtu/h/in2.. .
Clearsign Combustion Corporation


 Method for operating a combustion system including a perforated flame holder patent thumbnailnew patent Method for operating a combustion system including a perforated flame holder
A method for operating a combustion system includes outputting fuel and oxidant from a fuel and oxidant source onto a perforated flame holder. The method further includes sustaining a combustion reaction of the fuel and oxidant within the perforated flame holder..
Clearsign Combustion Corporation


 Burner patent thumbnailnew patent Burner
The burner includes a first tube portion having a tube end including an ejection port and a second tube portion extending toward the ejection port in the first tube portion. The combustion gas generated by combusting air-fuel mixture is ejected from the ejection port.
Hino Motors, Ltd.


new patent

Plasma assisted, dirty water, direct steam generation system, apparatus and method

Embodiments of the present disclosure include a system, method, and apparatus comprising a direct steam generator configured to generate saturated steam and combustion exhaust constituents.. .
Xdi Holdings, Llc

new patent

Compact laser ignition device for combustion engine

A high efficiency optical ignition device is provided in a two-part compact and robust package to be mounted directly on an internal combustion engine chamber. The ignition device ignites a combustion fuel with a high intensity plasma generated by a high power laser beam from a solid state laser operable in q-switched, or non-q-switched mode for producing short or long pulses, respectively.
Princeton Optronics Inc.

new patent

Plasma header gasket and system

A plasma header gasket for use with an internal combustion engine includes plasma-igniters disposed around the perimeter of apertures in the gasket corresponding to piston cylinders in the engine. The plasma-igniters produce a plasma ionization field in time with the engine to increase the efficiency of combustion..
Svmtech, Llc

new patent

Ignition operating an ignition system

An ignition system and a method for operating an ignition system for an internal combustion engine are provided, including a primary voltage generator and a boost converter for generating an ignition spark. An ascertainment of a voltage requirement for the ignition spark is followed by a modification of a switch-on time of the boost converter relative to a switch-off time of the primary voltage generator..
Robert Bosch Gmbh

new patent

Control device for internal combustion engine

An internal combustion engine is provided with an egr device and is configured to be capable of executing an operation based on a first air-fuel ratio and an operation based on a second air-fuel ratio leaner than the first air-fuel ratio. In a case where an ecu decreases the amount of air flowing into a combustion chamber and decreases an egr rate in response to a predetermined torque reduction request for the internal combustion engine, the ecu performs the operation based on the first air-fuel ratio in a case where an immediately preceding egr rate immediately before the torque reduction request is made is lower than a first threshold and performs a stratified combustion operation based on the second air-fuel ratio in a case where the immediately preceding egr rate is equal to or higher than the first threshold..
Toyota Jidosha Kabushiki Kaisha

new patent

Intake air sensor and sensing determining air filter performance, barometric pressure, and manifold pressure of a combustion engine

A sensor for sensing a differential pressure across an air filter in a motor vehicle. The sensor includes a sensor body having a first air passageway communicating with an atmosphere and a second air passageway communicating with an interior cavity of a manifold of a combustion engine.
Amphenol Thermometrics, Inc.

new patent

Motor propellant liquid

In a combustion chamber of a liquid propellant engine, a combustible liquid and an oxidising mixture are fed by means of two different independent and mechanically separate feed pumps and driven by respective turbines which are also independent and mechanically separate from each other; the oxidising mixture generated by a combustible liquid pre-burner passing through one of the turbines; and the heated combustible liquid passing through the other turbine before it is supplied to the combustion chamber; the oxidising mixture, after having passed through the respective turbine, flows into the combustion chamber via an injection plate.. .
Avio S.p.a.

new patent

Piston for internal combustion engines

A resin coat film 39 formed on a skirt portion 10 of a piston 7 has a four-sided outer peripheral region knurled at upper and lower regions thereof corresponding in a rear view of the piston 7 to an upper skirt part 36 and a lower skirt part 38 of the skirt portion 10 extending in parallel with an axial direction of left and right piston pin boss portions 15 and 14, with a combination of short vertical grooves 43a and 43b and medium-length vertical grooves 42a and 42b extending in parallel with a central axis c of a piston crow portion 9, and at left and right edge regions thereof, with long vertical grooves 41.. .
National University Corporation Shizuoka University

new patent

Internal combustion engine

A low-temperature cooling water channel formed in the internal combustion engine includes a water jacket that covers at least one portion of a wall surface of an intake port. The intake port has a cooled wall surface that is covered by the water jacket, and a non-cooled wall surface that is not covered by the water jacket.
Toyota Jidosha Kabushiki Kaisha

new patent

Internal combustion engine

An internal combustion engine includes a cylinder head including an intake port, an exhaust port, a water jacket, an intake valve, an exhaust valve, an intake valve seat, and an exhaust valve seat. The water jacket is positioned between the intake port and the exhaust port.
Toyota Jidosha Kabushiki Kaisha

new patent

Control internal combustion engine

In a spark-ignition internal combustion engine including a port injection valve that injects fuel into an intake port and an in-cylinder injection valve that injects fuel directly into a combustion chamber, switching from a first combustion mode which realizes lean combustion with an air-fuel ratio that is leaner in fuel than a theoretical air-fuel ratio and which is constituted mainly by fuel injection by the port injection valve, to a second combustion mode which realizes lean combustion by fuel injection in an intake stroke by the in-cylinder injection valve is enabled while maintaining a low amount of nox emissions. The control device for an internal combustion engine of this disclosure makes a discharge time period of a spark plug in the second combustion mode longer than a discharge time period in the first combustion mode..
Toyota Jidosha Kabushiki Kaisha

new patent

Control device and control engine

During a catalyst rapid warm-up at a time of a cold start of an engine, a fuel is injected by a required injection quantity through a multi-stage injection consisting of a fuel injection by a full lift injection during an intake stroke and a fuel injection by a partial lift injection during a compression stroke. In a case where a deterioration of a combustion state is confirmed, a correction for increasing the required injection quantity, which is to enrich an air-fuel ratio, is performed.
Toyota Jidosha Kabushiki Kaisha

new patent

Control device and control internal combustion engine

The present invention relates to a control device and a control method for a variable valve timing mechanism that changes a valve timing by adjusting a rotational speed of a motor. The control device detects a phase angle ra1 based on an output of a crank angle sensor and an output of a cam angle sensor and calculates a change amount Δra of a rotational phase based on a difference between a rotation amount of a sprocket and a rotation amount of the motor.
Hitachi Automotive Systems, Ltd.

new patent

Abnormality diagnosis apparatus and abnormality diagnosis internal combustion engine system

An object is to provide a starting diagnosis apparatus for an internal combustion engine system, capable of diagnosing an abnormal location of an internal combustion engine system. The starting diagnosis apparatus includes: a pressure sensor 35 which measures a cylinder pressure for each of the cylinders; a starting confirming unit 91 which confirms whether the internal combustion engine system fails to start; a cylinder-pressure increase confirming unit 92 which confirms an increase of the cylinder pressure for each of the plurality of cylinders, on the basis of a pressure measurement result of the pressure sensor 35, if the starting confirming unit 91 confirms a failure; a normal-cylinder confirming unit 93 which confirms whether the cylinder for which the increase of the cylinder pressure is confirmed by the cylinder-pressure increase confirming unit 92 is a normal cylinder; and a diagnosing unit 96 which diagnoses an abnormal location of the internal combustion engine system on the basis of confirmation results of the cylinder-pressure increase confirming unit 92 and the normal-cylinder confirming unit 93..
Mitsubishi Heavy Industries, Ltd.

new patent

Internal combustion engine

The internal combustion engine comprises a supercharger, a variable valve timing mechanism able to change a valve overlap amount, a catalyst arranged in an exhaust passage and able to store oxygen, a downstream side air-fuel ratio sensor arranged at a downstream side of the catalyst in an exhaust flow direction and able to detect an air-fuel ratio of outflowing exhaust gas flowing out from the catalyst, and a scavenging control device able to control a scavenging amount by controlling the valve overlap amount by the variable valve timing mechanism. The scavenging control device reduces the valve overlap amount when an air-fuel ratio detected by the downstream side air-fuel ratio sensor changes from less than a lean judged air-fuel ratio leaner than a stoichiometric air-fuel ratio to the lean judged air-fuel ratio or more during scavenging..
Toyota Jidosha Kabushiki Kaisha

new patent

Lean mode during idling for reduction of the number of particles

An operating method for an apparatus, having an internal combustion engine that can be operated in a lean mode and a stoichiometric mode, a crankcase, at least one combustion chamber and preferably a throttle element via which charge air can be fed from a charge air cooler to the combustion chamber internal combustion engine is switched to a lean mode during idling and is operated in the lean mode, with the result that, in particular, the pressure difference between the crankcase and the combustion chamber is reduced.. .
Man Truck & Bus Ag

new patent

Ignition device and ignition internal combustion engine

An ignition unit of an internal combustion engine is equipped with an ignition coil including a primary coil and a secondary coil, an igniter, and a secondary current detection resistor. By means of the secondary current detection resistor, an engine controller detects a current value of the secondary current immediately after completion of capacitive discharge.
Nissan Motor Co., Ltd.

new patent

Control device for internal combustion engine and estimating compression ratio

The present invention relates to a control device capable of estimating a compression ratio and a method for estimating a compression ratio in an internal combustion engine provided with a variable compression ratio mechanism. If an input error of a detection value of a compression ratio based on an output of a sensor occurs (s101), an engine control unit cuts off the supply of power to an actuator of the variable compression ratio mechanism (s102), and advances an ignition timing until a knock intensity reaches a set value in the process of the compression ratio decreasing due to a firing pressure (s103).
Hitachi Automotive Systems, Ltd.

new patent

Combustion stability logic during off-load transients

A method for operating a gas turbine engine is disclosed. The method includes detecting an off-load transient of the gas turbine engine.
Solar Turbines Incorporated

new patent

Control device for internal combustion engine

A turbocharger that includes a turbine and a compressor, an electric supercharger that is arranged in an intake passage, and a control device that increases a rotational speed of the electric supercharger upon receipt of a torque increase request with respect to the internal combustion engine are provided. During a process in which the rotational speed of the electric supercharger is increasing, if the rotational speed arrives at a predetermined switching rotational speed “ntec”, the control device decreases a rate of increase in the rotational speed from a first rate of increase “nteup1” to a second rate of increase “nteup2” (<nteup1).
Toyota Jidosha Kabushiki Kaisha

new patent

Combustion engine air intake system

The present invention relates to an assembly (1) for a combustion engine (10) comprising an electric compressor (5) and an air intake system, the air intake system comprising a double manifold (2) at the inlet to which there is a valve (4) configured to allow the intake gases to circulate in the manifold (2) and/or to allow the intake gases to bypass the electric compressor (5). The double manifold (2) comprises a swirl manifold (22) and a filling manifold (21), fed by two independent inlets, which can be closed off by the valve (4) independently of one another..
Valeo Systemes De Controle Moteur

new patent

Assembly including a heat engine and an electrical compressor configured such as to scavenge residual burnt gases

This invention relates to an assembly comprising: an intake pipe (4) extending between an air inlet (11) and a combustion engine (2), a combustion engine (2), an electric compressor (5) arranged on the intake pipe upstream of the combustion engine (2), a valve (8) arranged upstream of the combustion engine (2), the electric compressor (5) being configured to enable the residual burnt gases to be scavenged.. .
Valeo Systemes De Controle Moteur

new patent

Combustion system for gaseous fuelled internal combustion engine

Gaseous fuel injection pressures are normally less than liquid fuel injection pressures, resulting in reduced gaseous fuel jet momentum and mixing. A combustion system for an internal combustion engine comprises an intake port and valve, a cylinder and a piston that cooperate to provide a quiescent combustion chamber.
Westport Power Inc.

new patent

Fuel combustion system, nozzle for prechamber assembly having coolant passage in communication with orifice passage, and making same

A nozzle for a prechamber assembly of an engine includes a hollow nozzle body which includes an outer surface, an inner surface, and an orifice surface. The outer surface defines an outer orifice opening and a coolant passage inlet opening.
Caterpillar Inc.

new patent

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 a controller operatively coupled to the energy source.. .
Caterpillar Inc.

new patent

Internal combustion engine and coolant pump

An engine cylinder block forms a cooling jacket adjacent to a cylinder and that intersects a deck face adapted to mate with a cylinder head. The cooling jacket has an inlet passage intersecting a mounting face adapted to mate with a coolant pump housing.
Ford Global Technologies, Llc

new patent

Cooling internal combustion engine

A change in a valve opening degree from an opening degree (a) to an opening degree (d) is caused by a decrease in a radiator outlet water temperature, and at such time a flow rate through a radiator enters a boiling region. Therefore, when such entry is predicted, a target engine outlet water temperature is forcedly changed from 105° c.
Toyota Jidosha Kabushiki Kaisha

new patent

Exhaust gas treatment device with replaceable insert

An exhaust gas treatment device (1), for an exhaust system of an internal combustion engine, includes a tubular housing (2) and an insert (5) arranged replaceably in the housing (2). The insert (5) has an exhaust gas treatment element (7) fixed in a tubular jacket (6) and is able to be pushed into the housing (2) in a pushing-in direction (9), which extends parallel to a central longitudinal axis (10) of the housing (2).
Eberspächer Exhaust Technology Gmbh & Co. Kg

new patent

Water cooled exhaust manifold

A modular exhaust manifold includes a plurality of exhaust manifold segments coupled together along a common axis. Exhaust manifold segments include a water jacket tube defining a liquid coolant passage around each of the plurality of exhaust manifold segments.
Caterpillar Inc.

new patent

Exhaust system structure for internal combustion engine

Deposition of urea is prevented or reduced by a simple measure in an exhaust system structure equipped with an addition device that adds aqueous urea solution to exhaust gas. An exhaust system structure for an internal combustion engine includes an exhaust pipe connected to the internal combustion engine and an addition device located midway in said exhaust pipe to add aqueous urea solution to exhaust gas flowing in said exhaust pipe.
Toyota Jidosha Kabushiki Kaisha

new patent

Mixer assembly for exhaust aftertreatment system

An exhaust aftertreatment system may include an injector, an aftertreatment device and a mixer assembly. The injector may be configured to inject a fluid into an exhaust passageway that receives exhaust gas from a combustion engine.
Tenneco Automotive Operating Company Inc.

new patent

Reducing agent supply device

A reducing agent supply device includes a tank, an adding valve, a pump, and an electronic control unit. The adding valve is configured to receive the reducing agent supplied from the tank and inject the reducing agent.
Toyota Jidosha Kabushiki Kaisha

new patent

Aqueous urea solution supply device and aqueous urea solution supply internal combustion engine

A aqueous urea solution supply device for an engine is provided with a tank that stores aqueous urea solution, a valve configured to add the aqueous urea solution to exhaust gas, and a passage configured to supply the aqueous urea solution in the tank to the valve. When a pressure of the aqueous urea solution supplied to the valve is equal to or lower than a predetermined pressure and the amount of the aqueous urea solution in the tank is equal to or smaller than a predetermined threshold, an electronic control unit determines that the aqueous urea solution in an amount required for cooling of the valve cannot be supplied from the tank to the valve and executes a return control for returning the aqueous urea solution in the valve to the tank..
Kabushiki Kaisha Toyota Jidoshokki

new patent

Exhaust gas purifying device for internal combustion engine

An exhaust gas purifying device includes a honeycomb carrier which extends from an inlet-side end face to an outlet-side end face of exhaust gas to form a pathway of exhaust gas, and a tubular case member that houses the honeycomb carrier via a retaining member. The honeycomb carrier includes a sloped part formed at an outer circumferential part at both end faces in an x direction thereof in a direction in which the length in the x direction of the outer circumferential edge thereof decreases, and is retained inside of the case member by the sloped part catching on an inner wall of the case member via the retaining member.
Honda Motor Co., Ltd.

new patent

Universal zero carbon thermal electric clean engines with maximum absolute efficiency and power density, and supreme universal mobility

This universal technology eternal zero carbon, thermal electric clean engines and gas turbines, with universal cryogenic eternal systems converting all gases in cryogenic working fluids, for solar/atmospheric and geo thermal energy eternal systems, is eliminating 100% all the fossil fuels from energy and universal mobility, variable power, with constant maximum compression pressure and constant maximum combustion pressure, resulting constant maximum efficiency in all the variable eternal power electric generation and universal mobility systems.. .

new patent

Tapered roller drive for electric vct phaser

An electric phaser for dynamically adjusting a rotational relationship of a camshaft with respect to an engine crankshaft of an internal combustion engine includes an electric motor and a tapered roller drive. The tapered roller drive includes a sun, rollers, a carrier, at least one ring, and at least one load generator providing an axial load.
Borgwarner Inc.

new patent

Poppet valve

Provided is a poppet valve capable of realizing maximum. combustion efficiency all of three heat transfer forms.
Nittan Valve Co., Ltd.

new patent

Valve-timing control device for internal combustion engine

A valve timing control device for an internal combustion engine includes: a driving rotation member, a driven rotation member, a speed reduction mechanism, a circumferential clearance of the each of the rolling member being formed within an angle range of 0.01° to 0.4° in a circumferential direction from a reference line extending from a rotation axis of the driving rotation member in a radial direction, in a space constituted by the eccentric rotation member, the internal teeth constituting section, and the one of the holding holes.. .
Hitachi Automotive Systems, Ltd.

new patent

System and fluidized direct reduction of iron ore concentrate powder

A system and method for the fluidized direct reduction of iron ore concentrate powder. A two-phase fluidized bed is used for the direct reduction of iron ore concentrate powder.
Beijing Zhongkaihongde Technology Co., Ltd.

new patent

Lubricating oil composition for internal combustion engine

A lubricating oil composition for an internal combustion engine according to the present invention contains a lubricating base oil, (a1) a basic calcium salicylate having a tbn of 200 mgkoh/g or more, (a2) a basic sodium sulfonate having a tbn of 200 mgkoh/g or more and/or a basic calcium sulfonate having a tbn of 50 mgkoh/g or less, (b) a binuclear organic molybdenum compound and/or a trinuclear organic molybdenum compound, and (c) a polyalkyl (meth)acrylate having an ssi of 30 or less, a total content of molybdenum derived from the binuclear and trinuclear organic molybdenum compounds being 0.025 mass % or more relative to the whole amount of the composition and the lubricating oil composition having predetermined values of a high-temperature high-shear viscosity and a noack value (250° c., 1 hr).. .
Idemitsu Kosan Co., Ltd.

new patent

Lignite drying with a heat recovery circuit

The invention relates to a lignite fired steam power plant comprising a water/steam power cycle, a dryer system for drying lignite coal and a heat recovery system for recovering thermal energy from the dryer system. The heat recovery system vaporises condensate against a vapour line of the dryer steam and then compresses the vaporised condensate for use to preheat either or both combustion air or condensate of the water/steam power cycle..
Alstom Technology Ltd

new patent

Methods for biomass torrefaction with carbon dioxide capture

An environmental friendly, continuous biomass torrefaction system is disclosed herein. This torrefaction system captures carbon dioxide (co2) from the combustion gases generated in the process.





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This listing is a sample listing of patent applications related to Combustion for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Combustion with additional patents listed. Browse our RSS directory or Search for other possible listings.


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