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Internal Combustion Engine patents



      
           
This page is updated frequently with new Internal Combustion Engine-related patent applications. Subscribe to the Internal Combustion Engine RSS feed to automatically get the update: related Internal RSS feeds. RSS updates for this page: Internal Combustion Engine RSS RSS


Combination of cylinder and piston ring

Kabushi Kaisha Riken

Combination of cylinder and piston ring

Combination of cylinder and piston ring

Mahle International

Piston pin

Date/App# patent app List of recent Internal Combustion Engine-related patents
05/21/15
20150142405
 Method for simulating the operation of an internal combustion engine and device for carrying out the method patent thumbnailnew patent Method for simulating the operation of an internal combustion engine and device for carrying out the method
A method for simulating the operation of an internal combustion engine, using a single-cylinder test bench device, and a data-processing device executing an engine simulation model which simulates a multi-cylinder internal combustion engine. The engine simulation model determines a simulation value of at least one simulation variable, to be simulated, of the multi-cylinder internal combustion engine, in particular air mass flow and/or exhaust gas recirculation rate on the basis of at least one test bench.
Man Truck & Bus Ag
05/21/15
20150142335
 Systems and methods for determining the quantity of a combustion product in a vehicle exhaust patent thumbnailnew patent Systems and methods for determining the quantity of a combustion product in a vehicle exhaust
Exhaust after treatment systems for internal combustion engine powered vehicles are provided. One system includes logic in the form of one or more routines implemented by one or more of the system's components for determining the quantity of no2 present in the exhaust that exits an oxidation catalyst, such as a diesel oxidation catalyst (doc), without the use of an no2 sensor.
Paccar Inc
05/21/15
20150142297
 Control system for internal combustion engine of vehicle patent thumbnailnew patent Control system for internal combustion engine of vehicle
When the temperature in a cylinder of an engine is low, the fuel injection amount of fuel that has a low vapor pressure and is less likely to be vaporized is increased, and the fuel injection amount of fuel that has a high vapor pressure and is more likely to be vaporized is reduced, so that the start timing of the engine can be kept constant. When the temperature in the cylinder is high, the fuel injection amount of the fuel that has a low vapor pressure and is more likely to be decomposed is reduced, and the fuel that has a high vapor pressure and is less likely to be burned (decomposed) is increased, so that the start timing of the engine can be kept constant.
Toyota Jidosha Kabushiki Kaisha
05/21/15
20150142296
 Multi-cylinder internal combustion engine and  operating a multi-cylinder internal combustion engine patent thumbnailnew patent Multi-cylinder internal combustion engine and operating a multi-cylinder internal combustion engine
A method for partial cylinder cutoff is provided. The method comprises operating a multi-cylinder internal combustion engine with applied ignition, in which an odd number n of cylinders is arranged in line, and during partial-load operation when engine load is below threshold, enabling a partial cutoff of the cylinders, the partial cutoff comprising operating each cylinder only intermittently such that each cylinder is fired and cut off in turn at an interval of (2*720° ca)/n..
Ford Global Technologies, Llc
05/21/15
20150142295
 Monitoring  monitoring a fuel injector  of an internal combustion engine of a vehicle patent thumbnailnew patent Monitoring monitoring a fuel injector of an internal combustion engine of a vehicle
Disclosed is a method for monitoring a fuel injector, the injector including a piezoelectric actuator controlling a valve unit to open or close the injector, the fuel injector including an actuator play. The method includes: measuring a plurality of compensation times of the actuator play during a simulation step preceding an injection for a given plurality of fuel pressures; calculating a parameter representing the current actuator play per the measured compensation times; comparing the parameter representing the calculated current actuator play with a predetermined reference parameter of the actuator play; and transmitting a warning message if the reference parameter is exceeded; the parameter representative of the current actuator play being calculated on the basis of a polynomial function of the measured compensation times.
Continental Automotive Gmbh
05/21/15
20150142294
 Internal combustion engine inner-cylinder pressure estimation apparatus patent thumbnailnew patent Internal combustion engine inner-cylinder pressure estimation apparatus
An internal combustion engine inner-cylinder pressure estimation apparatus includes a detection unit that detects an operation condition of an internal combustion engine, a calculation unit that calculates an ignition delay that is an interval from an ignition timing to a starting timing of heat generation by combustion, based on an operation condition detected by the detection unit, and a combustion velocity calculation unit that calculates a combustion velocity, based on the operation condition. There is simulated a phenomenon that after an ignition delay period following an ignition timing has elapsed, a flame generated at the gap portion of an ignition plug expands up to the inner-cylinder wall surface at the combustion velocity and in the shape of an ellipsoid whose center is the gap portion of the ignition plug..
Mitsubishi Electric Corporation
05/21/15
20150142291
 Method of operating an in-line six cylinder engine in a vehicle patent thumbnailnew patent Method of operating an in-line six cylinder engine in a vehicle
An internal combustion engine having six in-line piston and cylinder assemblies providing a center pair, an intermediate pair and an outer pair, each pair having crankshaft connected pistons mounted in cylinders through simultaneous repetitive strokes four of which together constitute simultaneous repetitive cycles including a drive event injectors selectively (1) in a (mode 1) to inject fuel in both cylinders and (2) in a (mode 2) to inject fuel in only one cylinder, the cylinders of the center pair being intercommunicated by a passage. The effect of skipping an injection in (mode 2) in the center pair is a pair of shared power drive events and in the other pairs the effect in one of the cylinders is a directly fired power drive shaft and the effect in the other cylinder is deactivation and a method of operating the engine in a vehicle..
Lippitt Engine, Llc
05/21/15
20150142236
 Method and device for controlling an internal combustion engine patent thumbnailnew patent Method and device for controlling an internal combustion engine
A method for operating a drive train which has an electric motor for producing a mechanical target torque corresponding to an electric desired power level includes: specifying, as a function of a state of charge of a power battery, the electric desired power level, the electric desired power level being independent of the state of charge of the power battery when the state of charge of the power battery is in a plateau region.. .
Robert Bosch Gmbh
05/21/15
20150142231
 Method for calibrating exhaust gas probes and fuel dosing devices in a hybrid vehicle patent thumbnailnew patent Method for calibrating exhaust gas probes and fuel dosing devices in a hybrid vehicle
In a method for calibrating a measuring signal of an exhaust gas probe or a control signal of a fuel dosing device of a vehicle equipped with a hybrid drive including an internal combustion engine and at least one electric motor, the vehicle being able to be driven also by an electric motor exclusively, the gas transport for calibrating the signal of the exhaust gas probe or the fuel dosing device is induced by an engine drag operation of the vehicle, in which the internal combustion engine is dragged by the at least one electric motor while the fuel supply is deactivated.. .
05/21/15
20150142229
 Hybrid controls architecture patent thumbnailnew patent Hybrid controls architecture
Apparatuses, methods and systems for hybrid powertrain control are disclosed. Certain example embodiments control an internal combustion engine and a motor/generator of a hybrid electric powertrain.
Cummins Inc.
05/21/15
20150141307
new patent

Lubricating composition containing a salt of a carboxylic acid


The invention provides a lubricating composition containing an oil of lubricating viscosity and an amine or ammonia salt of a carboxylic acid compound where said carboxylic acid is characterized in that it is functionalized with a hydroxy-substituted aromatic moiety. The invention further relates to methods of lubricating an internal combustion engine by supplying the described lubricating composition to the internal combustion engine.
The Lubrizol Corporation
05/21/15
20150139860
new patent

On-board catalyst health monitoring and control system adaptation in internal combustion engines


Various embodiments include systems adapted to monitor catalyst deterioration. Some embodiments include a catalyst deterioration detection system including a pre-catalytic converter gas sensor, a post-catalytic converter gas sensor, at least one computing device in communication with the pre-catalytic converter and post-catalytic converter gas sensors, the at least one computing device configured to monitor catalyst deterioration by performing actions including estimating a catalyst gas storage level by comparing a difference between a pre-catalytic converter gas level from the pre-catalytic converter gas sensor and a post-catalytic converter gas level from the post-catalytic converter gas sensor, comparing the estimated catalyst gas storage level to a baseline catalyst gas storage level and determining that the catalyst is deteriorated in response to the baseline catalyst gas storage level exceeding the estimated gas storage level by a threshold difference..
General Electric Company
05/21/15
20150139579
new patent

Bearing for an internal combustion engine


A bearing for an internal combustion engine may include a ferrous base material onto which a primary layer of a bronze alloy is disposed and a deposited layer applied over the primary layer. A bonding layer may be applied onto the primary layer between the primary layer and the deposited layer.
Mahle International Gmbh
05/21/15
20150137459
new patent

Carrier frame seal with improved sealing effect


A carrier frame seal for use in engine and cylinder components of internal combustion engines having improved sealing effect in the region of the connecting webs between different regions of the carrier frame.. .
Federal-mogul Sealing Systems Gmbh
05/21/15
20150136098
new patent

Spark plug extension


The following invention relates to an ignition coil assembly for an ignition system comprising an ignition coil where said assembly has a main axis and is configured for insertion into and/or removal out of a well associated with an internal combustion engine, wherein the assembly comprises an elongated extension body made of flexible material, said extension body comprising an upper end portion and a lower end portion wherein the extension body is arranged to be transversally bendable in relation to the main axis so that the upper end portion and the lower end portion may assume an angle (α) in relation to each other.. .
Sem Ab
05/21/15
20150136097
new patent

Control system for multi-fuel internal combustion engine


An object of the present invention is to provide a control system for a multi-fuel internal combustion engine capable of using gaseous fuel and liquid fuel, with which variation in an air-fuel ratio of an air-fuel mixture following a switch in the fuel used by the internal combustion engine is suppressed. To achieve this object, the present invention provides a control system for a multi-fuel internal combustion engine capable of using gaseous fuel and liquid fuel, in which, when the fuel used by the internal combustion engine is switched, an amount of burned gas remaining in a cylinder before and after the switch is modified, whereby variation in an amount of wall surface adhered fuel is suppressed using heat of the residual gas..
Toyota Jidosha Kabushiki Kaisha
05/21/15
20150136096
new patent

Internal combustion engine


When a blow-by gas collides with an outer circumferential wall of a tubular member, part of oil mist in the collision gas is liquefied (an oil droplet). The oil droplet takes in the oil mist in the blow-by gas which flows into an intake pipe in succession, and moves on the outer circumferential wall of the tubular member in accordance with a flow of an intake gas and the gravity while keeping a liquefied state.
Toyota Jidosha Kabushiki Kaisha
05/21/15
20150136095
new patent

Oxygen sensor and internal combustion engine comprising said sensor


A sensor for detecting the oxygen content in the intake tract of an internal combustion engine includes: a sensor element having a measurement electrode; a metal cap that surrounds the sensor element; a heat dissipation element that connects the sensor element and the metal cap; and a bracket for the sensor element. The bracket is in the form of a plastic housing configured to accommodate evaluation electronics for the sensor element..
05/21/15
20150136092
new patent

Control device for internal combustion engine


An object of this invention is to appropriately control the valve timing (vt) even in a case where a plurality of local maximum points or local minimum points exist on a characteristic line representing a relation between the vt and an air amount. An engine 10 includes vvts 42 and 44 and the like.
Toyota Jidosha Kabushiki Kaisha
05/21/15
20150136090
new patent

Method for operating a fuel system for an internal combustion engine


A method for operating a fuel system for an internal combustion engine having a metering device, an electrical actuating device, and a valve element includes: activating the electrical actuating device in at least one first cycle in such a way that the valve element switches into a second position corresponding to an open metering device; activating the electrical actuating device in at least one second cycle in such a way that the electrical actuating device is activated from activation to activation, with activation energy which decreases gradually, until a limiting case is reached in which the valve element only just or just no longer switches into the second position; ascertaining a first activation energy, which corresponds to the limiting case; and subsequently activating the actuating device, taking the first activation energy into account.. .
Robert Bosch Gmbh
05/21/15
20150136089
new patent

Internal combustion engine comprising variable compression ratio mechanism


This internal combustion engine comprising a variable compression ratio mechanism either measures an exhaust temperature or exhaust pressure which varies according to an actual expansion ratio, or measures a physical quantity which varies according to the exhaust temperature and/or the exhaust pressure, and estimates the current mechanical compression ratio on the basis of the measured value.. .
Toyota Jidosha Kabushiki Kaisha
05/21/15
20150136086
new patent

System having a fuel distributor and multiple fuel injectors


A system, which is used in particular as a fuel injection system for the high-pressure injection in internal combustion engines, includes a fuel distributor and a plurality of fuel injectors. Each fuel injector is situated on a cup of the fuel distributor.
Robert Bosch Gmbh
05/21/15
20150136085
new patent

Holder for fastening a component on an internal combustion engine, a bearing sleeve for such a holder, and a fuel injection system


A bearing sleeve for a holder, which is used for fastening a fuel distributor on an add-on structure, includes a first sleeve part and a second sleeve part. The first sleeve part has a rigid sleeve body and a damping element which is integrally connected to the sleeve body of the first sleeve part.
Robert Bosch Gmbh
05/21/15
20150136084
new patent

Fuel distributor


A fuel distributor, which is used in particular for fuel injection systems of mixture-compressing spark ignition internal combustion engines, includes a tubular base body, a first holder and a second holder. The first holder is connected here to the tubular base body at a first fastening point of the tubular base body.
05/21/15
20150136079
new patent

Detection of coking in the intake tract of an internal combustion engine


A method for detecting coking in the intake tract of an internal combustion engine having direct fuel injection is provided. The internal combustion engine has variable intake valve control.
Bayerische Motoren Werke Aktiengesellschaft
05/21/15
20150136070
new patent

Control internal combustion engine


A control apparatus for an internal combustion engine is capable of switching a combustion mode between a spark ignition combustion mode for combusting a mixture formed in a combustion chamber with spark ignition and a compression ignition combustion mode for combusting the mixture with compression ignition. When the combustion mode is switched from the spark ignition combustion mode to the compression ignition combustion mode, in an internal egr control for keeping a part of a burnt gas generated by the combustion remaining as an internal egr in the combustion chamber, an internal egr amount of the internal egr is increased, an ignition timing is advanced, and a fuel injection amount is decreased so that an oxygen density contained in the internal egr used to form the mixture increases..
Mitsubishi Electric Corporation
05/21/15
20150136069
new patent

Inverted v-8 internal combustion engine and operating the same modes


An internal combustion engine having two banks of four piston and cylinder assemblies arranged in an inverted v configuration so that there are four pairs of assemblies each pair having cylinders with adjacent combustion chambers intercommunicated by a passage extending therebetween. Crank shaft driven pistons in said cylinders movable within the combustion chambers thereof through successive cycles each including a compression stroke followed immediately by a power drive stroke.
05/21/15
20150136063
new patent

Piston pin


A piston pin for connecting a small connecting rod eye of a connecting rod with a piston of an internal combustion engine may include an inner bore with an eccentricity relative to an outer surface of the piston pin. The eccentricity may amount to a maximum of 0.5 mm.
Mahle International Gmbh
05/21/15
20150136062
new patent

Combination of cylinder and piston ring


A combination of a cylinder 62 of an internal combustion engine and a piston ring 40 for sliding an inner periphery of the cylinder, wherein at least a sliding face of the cylinder is composed of an aluminum alloy including 8 mass % to 22 mass % of si and at least one or more particles selected from the group consisting of si, al2o3 and sio2 particles each having a diameter of 3 μm or more, and at least an outer periphery of the piston ring is coated with a hard carbon coating 14 composed only of hydrogen and carbon.. .
Kabushi Kaisha Riken
05/21/15
20150136054
new patent

Pressure-measuring glow plug device


A pressure-measuring glow plug device includes a module housing, a glow plug configured to ignite a combustion mixture in a combustion chamber of an internal combustion engine, and a pressure-measuring device. The pressure-measuring device has a pressure sensor configured to detect the pressure in the combustion chamber.
Robert Bosch Gmbh
05/21/15
20150136052
new patent

Method for operating a valve train of an internal combustion engine and corresponding valve train


A method and apparatus for operating a valve train of an internal combustion engine having a main camshaft for which at least one rotationally-fixed cam carrier is provided that can be shifted between two axial positions is disclosed. An actuator cooperates with at least one shift gate to axially shift the cam carrier into a target position.
Audi Ag
05/21/15
20150136051
new patent

Camshaft and follower geometry


An internal combustion engine includes a camshaft with a lobe rotatable about a camshaft axis and a follower and which follows the lobe and is reciprocated along a follower axis by the lobe. A contact force is generated between the lobe and the follower such that the contact force is cyclic between a minimum contact force and a maximum contact force.
Delphi Technologies, Inc.
05/21/15
20150136050
new patent

Systems and methods for closed crankcase ventilation and air filtration


A system for providing air to an internal combustion engine comprises a crankcase ventilation unit that receives unrefined blowby gas from a crankcase, separates oil from the unrefined blowby gas, and discharges refined blowby gas. A conduit delivers the refined blowby gas to an air cleaner housing.
Cummins Filtration Ip, Inc.
05/21/15
20150136049
new patent

Laser ignition device and operating method therefor


A laser ignition device for an internal combustion engine, in which the laser ignition device has at least one laser spark plug and a cooling device for temperature control, in particular cooling, of the laser spark plug. The cooling device has a cooling circuit, containing a coolant, which is thermally connectable to at least one component of the laser spark plug, a volume of the coolant contained in the cooling circuit being less than or equal to approximately 50% of a compression volume of a cylinder of the internal combustion engine, which may be less than or equal to approximately 10% of a compression volume of the cylinder of the internal combustion engine..
Robert Bosch Gmbh
05/21/15
20150136048
new patent

Heat storage in engine cooling system


A heating and cooling system for an internal combustion engine comprising a heat storage circuit and a radiator circuit, and a method of controlling such a system are disclosed. The heat storage circuit comprises a heat storage container in which engine coolant is stored and allowed to flow into and out of.
Volvo Car Corporation
05/21/15
20150136047
new patent

Mixed-mode combustion methods enabled by fuel reformers and engines using the same


Disclosed here is an adaptive mixed-mode combustion method, which is mainly for internal combustion engines, either compression ignition or spark ignition, or mixed-mode engines using both compression ignition and spark ignition. The combustion method is composed of steps of partially charging fuel reformates through intake ports, or charging fuels with high ignition temperature through intake ports, wherein it has adaptive means to introduce fuels into combustion chamber space through both intake port fuel charge and direct fuel injections, based on engine loads and speeds, to produce a separate twin triangular heat release curves to effectively reduce emissions and fuel consumptions.
05/21/15
20150136043
new patent

Lng vaporization


Apparatus and methods for vaporizing lng while producing sufficient volume of compressed natural gas at sufficient pressure to meet the needs of internal combustion engines, gas turbines, or other high consumption devices operating on natural gas or on a mixture of diesel and natural gas. The lng vaporizer of the present invention incorporates a reciprocating pump to provide vaporized lng to an output at rates and pressures as required by the particular application.


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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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