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Combustion patents

      

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




 Hot water supply device patent thumbnailHot water supply device
A hot water supply device (1) includes: a fin and tube type heat exchanger (17) for aplying heat to water with combustion gas; a temperature detection means (32) for detecting an exhaust temperature after heat exchange by the heat exchanger (17); and a determination means that determines that scale is deposited within the heat exchange tubing (27) of the heat exchanger (17) if the exhaust temperature detected by the temperature detection means (32) is higher than a set temperature.. .
Noritz Corporation


 Finned coaxial cooler patent thumbnailFinned coaxial cooler
A heat exchanger (100) suitable for use as a pre cooler in an internal combustion engine exhaust gas recirculation system comprises one or a plurality of rigid tubes (103), each having one or more internal cooling fins (111) to act as heat exchange surfaces to transfer heat from a gas to the walls of the rigid tubes. The rigid tubes are cooled by a liquid coolant surrounding the tubes and contained within an outer jacket (113) surrounding said tubes.
Senior Uk Limited


 Combustor for a gas turbine engine patent thumbnailCombustor for a gas turbine engine
A combustor for a gas turbine engine which includes a flame tube made of a ceramic material and a metal casing which surrounds the flame tube. The combustor further includes a thermal insulation layer between the flame tube and the casing which protects the casing from the high temperatures produced by combustion in the combustor and a loading structure which holds the flame tube in a state of axial and radial compression at all engine operating conditions..
Rolls-royce Plc


 Burner assembly with low nox emissions patent thumbnailBurner assembly with low nox emissions
The present disclosure is directed to a burner assembly for generating a heat source. The burner assembly may include a combustion plate having a first surface and a second surface.
Nuvera Fuel Cells, Llc


 Treatment device of a heating system patent thumbnailTreatment device of a heating system
The present invention materially enhances the quality of the environment and mankind by contributing to the restoration or maintenance of the basic life-sustaining natural elements. The present invention reduces the amount of carbon monoxide introduced to the atmosphere of a combustion system.
Progreen Labs, Llc


 Treatment device of a heating system patent thumbnailTreatment device of a heating system
The present invention materially enhances the quality of the environment and mankind by contributing to the restoration or maintenance of the basic life-sustaining natural elements. The present invention reduces the amount of carbon monoxide introduced to the atmosphere of a combustion system.
Progreen Labs, Llc


 Heater patent thumbnailHeater
A heater having a planar metal sheet with a first and second surface. A metal oxide layer is formed on the first surface of the sheet and a combustion catalyst is impregnated into the metal oxide layer.
The United States Government As Represented By The Arm Y


 Supercharging device for a combustion engine patent thumbnailSupercharging device for a combustion engine
A supercharging device (20), having: a housing (21) which has a longitudinal axis (l); at least one housing inlet (1) which leads into the housing (21); at least one housing outlet (2) which leads out of the housing (21); at least one compressor wheel (5) which is arranged in a compressor chamber (15) and which is driven by a motor shaft (16) and which is arranged between the housing inlet (1) and the housing outlet (2) of the housing (21) as viewed in the flow direction, and at least one bypass duct (17) which is integrated in the housing (21) and which connects the housing inlet (1) to the housing outlet (2) so as to bypass the compressor chamber (15). The bypass duct (17) has a self-adjusting valve (22).
Borgwarner Inc.


 Hybrid power system patent thumbnailHybrid power system
Heat from a safe high energy density fuel, such as aluminum, is used to generate electrical power. In some applications, the fuel may use seawater as an oxidizer.
Northrop Grumman Systems Corporation


 Method for controlling a corona ignition device patent thumbnailMethod for controlling a corona ignition device
Disclosed is an inventive method for controlling a corona ignition device of an internal combustion engine. A corona discharge, which ignites fuel in a combustion chamber of the engine, is generated by applying a voltage to the corona ignition device.
Borgwarner Ludwigsburg Gmbh


Method and system for ignition control

Methods and systems are provided for addressing spark plug soot fouling. In one example, a method may include alternating one or more combustion events with spark timing advanced with one or more combustion events with nominal spark timing.
Ford Global Technologies, Llc

Ignition an internal-combustion engine

An ignition apparatus for an internal-combustion engine includes a main ignition cdi circuit that has a main ignition boosting circuit boosting battery voltage and a main ignition capacitor storing electric charge boosted by the main ignition boosting circuit, and that releases the electric charge stored in the main ignition capacitor to a primary coil of an ignition coil to make an ignition plug generate spark discharge, and an energy input circuit that has an energy input boosting circuit boosting battery voltage and an energy input capacitor storing electric charge boosted by the energy input boosting circuit, and that releases the electric charge stored in the energy input capacitor to the primary coil, during a spark discharge started by operation of the main ignition cdi circuit, to make a secondary current flow in the same direction and to a secondary coil of the ignition coil, thereby making spark discharge continue which is started by the operation of the main ignition cdi circuit.. .
Denso Corporation

Ignition internal combustion engine

When an abnormality judgement section judges that there is a failure of an energy inputting circuit, an energy inputting line, through which electrical energy is inputted from the energy inputting circuit to a primary winding, is changed over to a disconnected state by output halt switching means. As a result, since inputting of electrical energy to the primary winding is thereby halted, problems arising due to continuation of inputting electrical energy to the energy inputting circuit can be prevented, even in the event of a failure of the energy inputting circuit, so that reliability can be enhanced..
Denso Corporation

Ignition device for internal combustion engines

An ignition device for engine according to the present invention performs continuous spark discharge of an ignition plug by using a multiplex signal, an integration signal or a control signal. In the multiplex signal, discharge continuous signals igw#1 to 4 for cylinders of the engine have been multiplexed.
Denso Corporation

Vehicle power source device

A vehicle power source device includes a first group that includes a first battery and a first load group which is connected with the first battery, a second group that includes a second battery or includes the second battery and a second load group which is connected with the second battery, a third group that includes a starting device which starts an internal combustion engine and a capacitor, a first switch that is provided between the first group and the second group, a second switch that is provided between the second group and the third group, a third switch that is provided between the first group and the third group, and a control unit that performs control to turn the first switch off, the second switch off, and the third switch on in a case where the internal combustion engine is started.. .
Honda Motor Co., Ltd.

Fuel injection valve equipped with in-cylinder pressure sensor

A fuel injection valve equipped with an in-cylinder pressure sensor is provided, in which the fuel injection valve is fitted into an injection valve mounting hole provided in an engine, the in-cylinder pressure sensor is attached to a valve housing part of the fuel injection valve, the in-cylinder pressure sensor having a front end facing the combustion chamber and detecting a pressure of the combustion chamber, and a signal transmission device is connected to the in-cylinder pressure sensor, the signal transmission device transmitting an output signal thereof to an outside. The signal transmission device is disposed on the valve housing part and covered together with a part of the valve housing part by an insulating layer.
Keihin Corporation

Valve for metering a fluid

A valve for metering a fluid, which is used in particular as a fuel injector for internal combustion engines, includes an electromagnetic actuator and a valve needle, which is actuatable by the actuator, and is used for actuating a valve closing body, which interacts with a valve seat surface to form a seal seat. An armature of the actuator has a through hole, through which the valve needle extends.
Robert Bosch Gmbh

System for air supply to engine of a motor boat

The present invention is a system for air supply to the engine of a motor float comprising a bottom part and an upper part of the body defining the inner space of the float, in which a combustion engine is arranged, wherein the upper part of the body is in its front part provided with an air supply, characterized in that the combustion engine is arranged in the engine compartment and separated from the rest of the inner space of the float by means of a partition provided with a suction opening in its front part, wherein to provide the circulation of air in the inner space of the float a sealing rib extends from the front part of the partition towards the tip of the float, separating the air supply and suction opening from one another, wherein at least one rear pump for sucking the leaking water is arranged in the rear part of the inner space of the float. The main object of the invention is thus to use the interspace of the float to provide separation of water and air, when eventual separated water may be sucked away by a pump operating on any principle (electric, vacuum, etc.)..

Supercharger with exhaust gas recirculation

An engine, methods and systems are provided for supercharging charge air for internal combustion engines. The engine having an intake, and a blower with at least one impeller in the intake mounted on a rotatable shaft.
Ford Global Technologies, Llc

Arrangement and process for carrying out an intensified combustion

The invention relates to a combustion engine and to a process for producing energy by means of expansion work in combustion engines. The invention is based on the problem of providing a possibility for supplying oxygen to the combustion space of a self-compacting combustion engine in an energy-efficient manner.
Fraunhofer-gesellschaft Zur Foerderung Der Ange- Wandten Forschung E.v.

Fuel evaporative emission processing system

A fuel evaporative emission processing system suitable for a hybrid vehicle includes a shut-off valve, a first purge control valve and a second purge control valve. The shut-off valve is selectively opens and closes a fuel vapor passage between a fuel tank and a canister.
Nissan Motor Co., Ltd.

Fuel evaporative emission processing system

A fuel evaporative emission processing system suitable for a hybrid vehicle includes a fuel vapor passage, a shut-off valve, a purge passage, a first purge control valve, and a second purge control valve. The shut-off valve selectively opens and closes the fuel vapor passage communicating between a fuel tank and a canister.
Nissan Motor Co., Ltd.

Lpg direct injection engine

The invention relates to a liquefied petroleum gas direct injection engine (100) comprising at least one cylinder comprising a combustion chamber (1) having a spark plug (2), one or more intake valve or valves (4) and one or more exhaust valve or valves (5). The lpg engine (100) further comprises at least one injector (6) for injecting liquefied petroleum gas in liquid state directly into the combustion chamber, the lpg being injected at a pre-established pressure value; a high pressure pump (9) for feeding pressurized liquefied petroleum gas to at least one injector (6); and an electronic control unit (13) configured to operate the at least one injector (6) for injecting the lpg during a specific injection time period or periods such that a predefined target mass of liquefied petroleum gas is injected, and between 360° btdc and 60° btdc of the engine cycle.
Avl List Gmbh

Atomizing fuel delivery system

An engine that includes an air intake, a combustion chamber, an air passageway that is configured to channel air from the air intake toward the combustion chamber, a carburetor, a throttle plate, and a fuel atomizer. The carburetor includes a fuel bowl with a fuel well, a carburetor passageway that is fluidly coupled to the air passageway and configured to channel air and fuel to the combustion chamber, and a carburetor nozzle that has an inlet configured to receive fuel from the fuel well and an outlet disposed proximate to a constricted section of the carburetor passageway.
Briggs & Stratton Corporation

Assembly of a piston and an oil spray nozzle for an internal combustion engine

An assembly for cooling oil for an internal combustion engine may include a piston having a piston head and a piston skirt. The piston head may include a piston crown with an undersurface having an outer region configured as a guiding surface for the cooling oil, a circumferential ring part, and, in a region of the circumferential ring part, a circumferential cooling channel with at least one feed opening for the cooling oil.
Mahle International Gmbh

Elongate cooling channel inlet for cooling channel pistons and operating

The invention relates to a piston in particular for an internal combustion engine, having a piston lower part, an upper part, an internal cooling channel having at least one coolant inlet opening and at least one outlet opening defined by a rim hole. The rim hole having a screw thread into which at least one tubular element is inserted and selectively positioned relative to the cooling channel for regulating the coolant level in a cooling channel..
Ks Kolbenschmidt Gmbh

Cylinder bore wall heat insulation device, internal combustion engine and vehicle

A cylinder bore wall thermal insulator includes a rubber member that comes in contact with half of a cylinder bore-side wall surface of a middle-lower part of a groove-like coolant passage, and has a contact surface having a shape that conforms to the shape of the cylinder bore-side wall surface of the middle-lower part of the groove-like coolant passage, a metal base member on which the rubber member is secured, and an elastic member that is provided to the metal base member, and biases the metal base member so that the metal base member presses the rubber member against the cylinder bore-side wall surface of the middle-lower part of the groove-like coolant passage. An internal combustion engine in which a cylinder bore wall has a uniform temperature can be provided by utilizing the cylinder bore wall thermal insulator..
Toyota Jidosha Kabushiki Kaisha

Method for operating a high pressure pump of an injection system and an injection system

A method for operating a high-pressure pump of an injection system and an injection system is provided. The method relates to a switching off of additional pulses, which are applied to a valve of the high-pressure pump, if the determined coil temperature of the valve exceeds a limit value.
Continental Automotive Gmbh

Fuel injection device for internal combustion engine

A fuel injection device for an internal combustion engine includes: a high/low pressure fuel system (first fuel injection unit) configured to inject fuel into cylinders 12a to 12d through an in-cylinder injector 44; and a low pressure fuel injection system (second fuel injection unit) configured to inject fuel into an intake manifold 14 through an intake path injector 46. An ecu 60 incorporates: an idling stop/start unit 68 that stops the engine when an idling stop condition is satisfied, and restarts the engine when the idling stop condition is no longer satisfied; and a fuel injection control unit 70 that causes, after the idling stop condition is no longer satisfied, fuel remaining in the first fuel injection unit to be injected into the cylinder, before rotation of a crank shaft 32 starts, so that the engine 10 is automatically restarted, and causes fuel injection to be started from the second fuel injection unit when predetermined condition is satisfied..
Mitsubishi Jidosha Kogyo Kabushiki Kaisha

Fuel injection control device and fuel injection control internal combustion engine

A fuel injection control device controls fuel injection of a spark-ignition internal combustion engine for direct injection into a cylinder and independently controls circulation of a coolant in a head-side cooling channel and in a block-side cooling channel. The fuel injection control device is provided with a controller that sets a fuel injection timing for cooling the inside of the cylinder such that an intake valve closing timing occurs during a reduction in gas temperature inside the cylinder due to evaporative latent heat of the injected fuel, while the coolant circulates in the head-side cooling channel and the circulation of the coolant in the block-side cooling channel is stopped.
Nissan Motor Co., Ltd.

Over-fueling control based on oxygen sensor feedback

A method of controlling a concentration of hydrocarbons in exhaust gas from an internal combustion engine includes sensing an oxygen percentage of the flow of exhaust gas from the internal combustion engine and determining a concentration of hydrocarbons in the flow of exhaust gas. An engine control module may then adjust the sensed oxygen percentage of the exhaust gas based on the determined concentration of hydrocarbons in the flow of exhaust gas to define a corrected oxygen percentage.
Gm Global Technology Operations Llc

Control device for internal combustion engine

Respective learned values of four parameters, that are an intake valve working angle deviation amount, an exhaust valve working angle deviation amount, an intake valve timing deviation amount and an exhaust pressure loss deviation amount, are calculated based on learned values of an intake valve flow rate error that are obtained under at least four different operating conditions. A correction amount with respect to an intake valve flow rate that is calculated with an intake valve model equation is calculated based on respective learned values of the four parameters using an intake valve flow rate error model equation in which coefficients are represented by functions of state quantities of an engine that include an engine speed and an intake pipe pressure..
Toyota Jidosha Kabushiki Kaisha

Control internal combustion engine

A control apparatus for an internal combustion engine is configured to: calculate measured data of mfb using an output signal of an in-cylinder pressure sensor after performing a first low-pass filtering; execute engine control based on the measured value of a specified fraction combustion point that is calculated based on the measured data of mfb; and prohibit the engine control when the first correlation index value is less than a first determination value and a first correlation degree is lower than a first degree.. .
Toyota Jidosha Kabushiki Kaisha

Exhaust-gas-turbocharged internal combustion engine with partial deactivation and operating an internal combustion engine of said type

Embodiments for operating an engine in a partial deactivation mode are provided. In one example, a method for an engine having a first cylinder group and a second cylinder group includes responsive to engine operation in a first engine speed-load region, deactivating one or more cylinders of the second cylinder group, and responsive to the deactivating, adjusting exhaust valve timing of one or more cylinders of the first cylinder group.
Ford Global Technologies, Llc

Reducing firing decision latency in skip fire engine operation

Techniques and controllers are described for dynamically determining when to request firing decisions for individual firing opportunities while operating an internal combustion engine in a skip fire mode. In one aspect, a skip fire controller is arranged to periodically determine the timing by which a next cylinder firing decision request must be made in order to assure that a corresponding firing decision can be implemented as desired, and whether there is sufficient time to wait until at least the next periodic timing determination is made to request the next cylinder firing decision.
Tula Technology, Inc.

Method and controlling internal-combustion engine

A method for controlling an internal-combustion engine includes detecting knocking in the internal-combustion engine. An egr gas quantity of egr gas is increased in a case where the knocking is detected.
Honda Motor Co., Ltd.

Fuel property estimation device

This fuel property estimation device is used in an internal combustion engine that uses a mixed fuel of three kinds of fuel and includes a first sensor that outputs a signal responsive to a physical property of the fuel in a fuel route and a second sensor outputs a signal responsive to an oxygen concentration of exhaust gas. This device measures a physical property value of the mixed fuel based on a first sensor signal, and calculates an air-fuel ratio value at stoichiometric combustion state using feedback of a second sensor signal.
Toyota Jidosha Kabushiki Kaisha

Flap device for an internal combustion engine

A flap device for an internal combustion engine includes a flow housing which delimits a flow duct, a shaft which rotates and which is supported on one side thereof, a flap body attached to the shaft in the flow duct, an actuator which rotates the shaft and thereby the flap body, an actuator housing having the actuator arranged therein, a first bearing seat formed on the flow housing, a first bearing arranged in the first bearing seat to radially surround the shaft, a second bearing, a chamber which surround the shaft, and a bore arranged to open into the flow duct from the chamber. The shaft protrudes into the actuator housing.
Pierburg Gmbh

Fire prevention shield

The present application provides a fire prevention shield for an internal combustion engine. The shield includes a shield baffle plate and a mounting means adapted to mount the shield baffle plate at a predetermined position with respect to a muffler of the engine, such that an air passage is located between the muffler and the shield baffle plate, the air passage having an air inlet opening located adjacent to the engine, wherein a cross-sectional area of the air passage is greatest at or near the air inlet opening..

Skewed combustion chamber for opposed-piston engines

A combustion chamber for an opposed-piston engine has a rotationally skewed shape in a longitudinal section that is orthogonal to a chamber centerline, between diametrically-opposed openings of the combustion chamber through which fuel is injected. The rotationally skewed shape interacts with swirl to generate a tumble bulk charge air motion structure that increases turbulence..
Achates Power, Inc.

Control internal combustion engine

A control apparatus for controlling an internal combustion engine in which a first compressor and a second compressor are arranged in parallel in an intake passage may be configured, in a situation where supercharging by the second compressor is required at a time of a request to increase the engine torque, to start supercharging by the second compressor upon the elapse of a delay time that is started when the power of the first compressor is increased to a designated power value or more using an exhaust energy adjustment device.. .
Toyota Jidosha Kabushiki Kaisha

Internal combustion engine, operating the same and control device for carrying out the method

An internal combustion engine includes: plural cylinders, a first exhaust gas turbocharger having a high-pressure turbine and a high-pressure compressor, a second exhaust gas turbocharger having a low-pressure turbine and a low-pressure compressor, and an scr catalytic converter positioned between the high-pressure turbine and the low-pressure turbine, via which exhaust gas leaving the high-pressure turbine is conducted upstream of the low-pressure turbine. The low-pressure compressor is assigned a power take-in, via which the low-pressure compressor can be driven when as a consequence of a relatively large exhaust gas temperature drop at the scr catalytic converter via the low-pressure turbine an adequate amount of energy required to supply the cylinders of the internal combustion engine with a desired quantity of charge air can no longer be provided..
Man Diesel & Turbo Se

Method and device for ventilating a heat management system of an internal combustion engine

To ventilate a heat management system of an internal combustion engine, in which coolants circulate in several coolant circuits, connected inlets of a rotary valve may be opened and closed in a predetermined sequence, in order to ventilate one or more of the coolant circuits in the direction of the compensation tank, by means of at least one ventilation circuit which is in fluid connection with a coolant compensation tank. The rotary valve may be controlled by means of a control unit, wherein a non-connected inlet of the rotary valve is in fluid connection with the coolant compensation tank..
Bayerische Motoren Werke Aktiengesellschaft

Cooling device for internal combustion engine

A cooling device includes a first cooling medium circuit for circulating a cooling medium that passes through a main body of an engine to a first heat exchanger, a second cooling medium circuit for circulating a cooling medium that passes through the main body to a second heat exchanger, a control valve that is commonly used in the first and second cooling medium circuits, and a control device. The control valve includes a rotatable rotor, and is configured such that a rotation range of the rotor includes a water stop section in which the circuits are both closed.
Toyota Jidosha Kabushiki Kaisha

Internal combustion engine with a fluid jacket

An engine has a cylinder block with a deck face and at least one cylinder liner with a cylinder axis. The block has a first fluid jacket about the liner, a second fluid jacket about the liner, and a third fluid jacket about the liner.
Ford Global Technologies, Llc

Method and system for monitoring of a physical quantity related to a particulate mass in at least one exhaust pipe

Methods and systems are provided to monitor a quantity relating to particulate mass m in at least one exhaust pipe arranged downstream of a combustion engine. A first determination device determines a reduction Δ of a pressure difference dp over at least one or several particulate filters, arranged downstream of the combustion engine.
Scania Cv Ab

Method for the regeneration of a particle filter, and internal combustion engine with particle filter

A method and an internal combustion engine for the regeneration of a particle filter includes periodic regeneration phases, where a regeneration is performed by virtue of the soot particles that have been deposited in the particle filter being burned off. During the operation of the internal combustion engine, the reactivity of the soot deposits is determined on the basis of a characteristic map previously established empirically for different engine operating ranges of the internal combustion engine..
Man Truck & Bus Ag

Engine for outboard motor

An engine for an outboard motor is provided with an engine body, an intake system configured to supply combustion air to the engine body, an exhaust passage formed by connecting the engine body and the middle and lower units thereunder, a catalyst provided in the exhaust passage, and an air pump configured to supply secondary air to the upstream side of the catalyst. The air pump is driven by an electric motor..
Suzuki Motor Corporation

Method and operating a combustion machine

The disclosure relates to internal combustion engines in general, and teaches various methods and apparatus for operating engines with an exhaust-gas turbocharger. Some embodiments include a method for operating an internal combustion engine having a fresh-gas tract for the supply of fresh gas to a cylinder, and an exhaust tract for the discharge of exhaust gas.
Continental Automotive Gmbh

Device and impacting the amount of nitrogen oxides in exhaust gases from an internal combustion engine

A method and an exhaust treatment system are provided for treatment of an exhaust stream that comprises nitrogen oxides nox. The method comprises using a first slip-catalyst sc1, arranged at a first device to create a first impact on a first amount of nitrogen oxides nox_1 an nox-storing catalyst may store nitrogen oxides nox.
Scania Cv Ab

Systems and methods for managing emissions from an engine of a vehicle

Disclosed embodiments include methods of removing carbon dioxide from combustion gas from an engine of a vehicle, systems for removing carbon dioxide from combustion gas from an engine of a vehicle, vehicles, methods of managing carbon dioxide emissions from an engine of a vehicle, and computer software program products for managing carbon dioxide emissions from an engine of a vehicle.. .
Deep Science Llc

Adjustable camshaft

An adjustable camshaft for a valve drive of an internal combustion engine may include an inner shaft extending through an outer shaft with a cam element disposed on the outer shaft. The cam element may be connected rotationally conjointly to the inner shaft.
Thyssenkrupp Presta Teccenter Ag

Reciprocating engine

A reciprocating engine having a fixed body and at least one rotating and reciprocating member. The engine also has at least one combustion chamber, and the or each combustion chamber is defined between at least a fixed member connected to the fixed body and at least one rotating and reciprocating member.
Shepherd Inventor Limited

Ram accelerator system

One or more ram accelerator devices may be used to form one or more holes in geologic or other material. These holes may be used for drilling, tunnel boring, excavation, and so forth.
Hypersciences, Inc.





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