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Internal Combustion Engine patents

      

This page is updated frequently with new Internal Combustion Engine-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


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


 Decoupling element for a fuel injection device patent thumbnailDecoupling 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 patent thumbnailInternal 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 patent thumbnailApparatus 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 patent thumbnailInternal 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 patent thumbnailControl 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 patent thumbnailFuel 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.

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.

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

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

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.

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



Internal Combustion Engine topics:
  • Internal Combustion Engine
  • Combustion
  • Exhaust Gas
  • Storage Device
  • Regenerate
  • Downstream
  • Fluidically
  • Diesel Particulate Filter
  • Oxygen Storage Capacity
  • Hydrocarbon
  • Exhaust Gas Turbocharger
  • Charge Air Cooler
  • Circulation
  • Air Fuel Ratio
  • Activated Carbon


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    This listing is a sample listing of patent applications related to Internal Combustion Engine 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 Internal Combustion Engine with additional patents listed. Browse our RSS directory or Search for other possible listings.


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