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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


Catalysed substrate monolith

Johnson Matthey Public Limited

Catalysed substrate monolith

Connecting rod for an engine and method of making thereof

Nissan Motor

Connecting rod for an engine and method of making thereof

Connecting rod for an engine and method of making thereof

Avl List

Exhaust gas cleaning device


Date/App# patent app List of recent Internal Combustion Engine-related patents
08/27/15
20150241306 
 Detecting misfiring in a gaseous fuel operated internal combustion engine patent thumbnailnew patent Detecting misfiring in a gaseous fuel operated internal combustion engine
A method of detecting an incomplete combustion, such as a misfire, in an internal combustion engine operating at least partly on a gaseous fuel, includes: receiving pressure data corresponding to a temporal development of a cylinder pressure during a combustion event within a combustion cycle; deriving from the pressure data a combustion energy value of the combustion; determining that the derived combustion energy value is beyond a predetermined combustion-cycle specific combustion threshold level; and associating the combustion event with an incomplete combustion in the combustion cycle.. .
Caterpillar Motoren Gmbh & Co. Kg


08/27/15
20150240945 
 Three-piece oil ring for internal combustion engines, expanding element, and annular element patent thumbnailnew patent Three-piece oil ring for internal combustion engines, expanding element, and annular element
A three-piece oil ring for an internal combustion engine may include an expanding element defining at least a first side and a second side opposite the first side. A first upper annular segment may be associated with the first side of the expanding element.
Mahle International Gmbh


08/27/15
20150240943 
 Reduced friction oil control piston rings patent thumbnailnew patent Reduced friction oil control piston rings
Improved oil control piston rings with reduced friction compared to prior art rings are disclosed for use in liquid lubricated internal combustion engines, gas pumps, and gas compressors. The ring assemblies are interchangeable with conventional oil control rings and offer similar oil control performance.

08/27/15
20150240917 
 Drive train for a vehicle patent thumbnailnew patent Drive train for a vehicle
The invention relates to a drive train (1) for a vehicle, in particular an electric vehicle with a range extender, comprising a first electric machine (2) which is drivingly connected to at least one drive shall (8) of the vehicle by means of a planet gear (5) which comprises a first, second and third planet gear element (5a, 5b, 5c), also comprising a second electric machine (3) which is connected to the first electric machine (2) by means of the planet gear, and an internal combustion engine (4) which is connected to the first electric machine (2). A compact power train having a high degree of variability is thus produced such that a shiftable first clutch (9) is arranged between the internal combustion engine (4) and the second electric machine (3)..
Avl List Gmbh


08/27/15
20150240912 
 Centrifugal pendulum device for vibration isolation patent thumbnailnew patent Centrifugal pendulum device for vibration isolation
A centrifugal pendulum device for vibration isolation of a power take-off system of a drive unit, having at least one first pendulum element with a first mass and a second pendulum element with a second mass, which are set up to counteract vibrations of the drive unit in a resonance range, wherein the first pendulum element has a first resonance range and the second pendulum element has a second resonance range, where the first and the second resonance ranges differ. Using the centrifugal pendulum device, or vibration equalization device, proposed here, it is possible in a small construction space using efficient means to isolate an extended frequency range of vibrations from the drivetrain.
Schaeffler Technologies Gmbh & Co. Kg


08/27/15
20150240864 
 Connecting rod for an engine and  making thereof patent thumbnailnew patent Connecting rod for an engine and making thereof
A method to modify the geometry of a connecting rod of an internal combustion engine includes providing a connecting rod having a crankshaft bore at a first end, wherein the first end has a bearing cap and a bottom end portion of the connecting rod, mating the bearing cap with the bottom end portion of the connecting rod to form the crankshaft bore of the connecting rod, machining a width upset portion of the bottom end portion to reduce a width of the bottom end portion of the connecting rod, machining a width upset portion of the bearing cap to reduce a portion of a width of the bearing cap, and reducing the width of the bottom end portion of the connecting rod and the portion of the width of the bearing cap to a width smaller than a cylinder bore of the internal combustion engine.. .
Nissan Motor Co., Ltd.


08/27/15
20150240775 
 Method for regulating an ignition time patent thumbnailnew patent Method for regulating an ignition time
A method for regulating an ignition time for combustion processes of an internal combustion engine includes determining an ignition angle for a combustion process as a function of an operating parameter of the internal combustion engine, based on a characteristic diagram and as a function of a knocking limit offset.. .
Dr. Lng. H.c. F. Porsche Aktiengesellschaft


08/27/15
20150240774 
 Snowthrower with removable self-heating starter battery pack patent thumbnailnew patent Snowthrower with removable self-heating starter battery pack
A snowthrower includes an internal combustion engine and a starter battery pack that provides electrical power to operate an electric starter motor. The starter battery pack is received within a receptacle of the snowthrower and is selectively coupled to the starter motor to initiate operation of the internal combustion engine.
Briggs & Stratton Corporation


08/27/15
20150240773 
 Outdoor power equipment incorporating starter battery with integrated push button patent thumbnailnew patent Outdoor power equipment incorporating starter battery with integrated push button
A starter battery pack with a start button included as part of the starter battery pack is shown and described. The starter battery pack includes a start button that, when the starter battery pack is received within a receptacle of outdoor power equipment, such as a lawn tractor, allows the starter battery pack to provide power to a starting circuit of the power equipment.
Briggs & Stratton Corporation


08/27/15
20150240771 
 Methods for determining fuel bulk modulus in a high-pressure pump patent thumbnailnew patent Methods for determining fuel bulk modulus in a high-pressure pump
Methods are provided for finding the bulk modulus of a fuel used in the direct injection system of an internal combustion engine. A method is needed to continuously monitor and reliably calculate the fuel's bulk modulus during engine operation on-board the vehicle, where the fuel's bulk modulus may be used to infer the ratio of fuels in a fuel mixture or determine the density of supercritical propane when propane is used as the injected fuel.
Ford Global Technologies, Llc


08/27/15
20150240769 
new patent

Methods for correcting spill valve timing error of a high pressure pump


Methods are provided for correct spill valve timing of a high pressure pump coupled to the direct injection system of an internal combustion engine. A method is needed to monitor and adjust spill valve timing on-board the vehicle, where spill valve timing error may result from sensors error and/or time between command signal and actuation response of the spill valve.
Ford Global Technologies, Llc


08/27/15
20150240762 
new patent

Intake manifold for internal combustion engine


An intake manifold for an internal combustion engine includes branch pipes, each of which is connected to one of intake ports and has an intake passage, valve cases, each of which is provided to one of the branch pipes and connected to the corresponding intake port, branch pipe bodies, each of which is connected to the upstream end of one of the valve cases, valves, each of which is provided in one of the valve cases to change the cross-sectional area of the intake passage of the corresponding branch pipe, and a coupling portion, which is located between downstream ends of each adjacent pair of the branch pipe bodies to couple the downstream ends to each other.. .
Toyota Boshoku Kabushiki Kaisha


08/27/15
20150240760 
new patent

Snorkel intake dirt inertial separator for internal combustion engine


An integrated snorkel intake inertial separator is provided to removes dust and dirt contaminants from the engine intake system prior to reaching the air cleaner. The snorkel initiates a cyclonic motion at the snorkel inlet that propagates downstream in a downpipe towards the air cleaner.
Ford Global Technologies, Llc


08/27/15
20150240752 
new patent

Exhaust system having n2o catalyst in egr circuit


An exhaust system for an internal combustion engine is disclosed. The exhaust system comprises a particulate filter, one or more nox reduction catalysts, and a low pressure exhaust gas recirculation (egr) circuit for connecting the exhaust system downstream of the filter and the one or more nox reduction catalysts to an intake of the engine.
Johnson Matthey Public Limited Company


08/27/15
20150240751 
new patent

Intake and exhaust system for internal combustion engine


A turbocharger device includes a turbine and a compressor coaxially connected to each other. The turbine is equipped to an exhaust system of an engine.
Denso Corporation


08/27/15
20150240743 
new patent

Heat retention member for cylinder bore wall, internal combustion engine, and automobile


A cylinder bore wall insulating member has a contact surface that comes in contact with a wall surface of a cylinder bore wall that forms a cylinder block of an internal combustion engine and defines a groove-like coolant passage. An internal combustion engine in which the cylinder bore wall has a uniform temperature may be obtained using the insulating member..
Nichias Corporation


08/27/15
20150240742 
new patent

Piston type internal combustion engine


An internal combustion engine includes a cylinder of which the interior is divided into two in the longitudinal direction. The lower chamber serves as a mechanical driving portion in which the piston is reciprocated.

08/27/15
20150240735 
new patent

Internal combustion engine


An internal combustion engine is provided, which is capable of performing normal perturbation for a long period of time according to changes in a valve with time such as contamination, and wear. A gas engine 1 is configured to detect a stoichiometric air-fuel ratio by oxygen sensors 11 and 15 and to perform the perturbation using a solenoid valve 21.
Yanmar Co., Ltd.


08/27/15
20150240733 
new patent

Exhaust purification system of spark ignition type internal combustion engine (as amended)


A three-way catalyst (20) having an oxygen storage function and an exhaust purification catalyst (22) are arranged in the exhaust passage of an internal combustion engine. During medium-load operation of the engine the degree of lean of the air-fuel ratio in the combustion chamber (5) is increased so as to increase the oxygen storage amount of the three-way catalyst (20) to the maximum oxygen storage amount, and the air-fuel ratio in the combustion chamber (5) even after the oxygen storage amount of the three-way catalyst (20) has reached the maximum oxygen, storage amount is maintained at lean, after which the air-fuel ratio is returned to rich, and at this time, as the amount of poisoning of a noble metal catalyst when the air-fuel ratio in the combustion chamber (5) is rich increases, the amount of time for which the air-fuel ratio in the combustion chamber (5) is maintained at lean is increased..
Toyota Jidosha Kabushiki Kaisha


08/27/15
20150240732 
new patent

Engine system and control engine system


An engine system includes an internal combustion engine, a forced induction device, an ejector device, a blow-by gas passage, and a controller. The ejector device has an ejector and a drive gas passage connected to an intake passage of the engine in a manner bypassing a compressor of the forced induction device.
Toyota Jidosha Kabushiki Kaisha


08/27/15
20150240731 
new patent

Control device for internal combustion engine having turbocharger


In the control device, a relationship of a throttle-upstream pressure with respect to an exhaust-gas amount is used in a state where a supercharge pressure becomes the lowest by a wg-instruction value with respect to a wgv-control component 220 for driving a wgv 33a provided at a bypass passage 33 bypassing a turbocharger 32, and a relationship of a throttle-upstream pressure with respect to an aperture of a throttle valve 23, a rotational speed of an engine, and an intake-manifold pressure is used, and any of the throttle-upstream pressures, whichever is higher, being calculated in accordance with each of the relationship, is defined as a throttle-upstream-estimation value, whereby the throttle-upstream pressure is estimated by a cheap means with high accuracy so as to control the engine.. .
Mitsubishi Electric Corporation


08/27/15
20150240729 
new patent

Exhaust gas purification system for an internal combustion engine


In an exhaust gas purification system for an internal combustion engine provided with a particulate filter and an scr catalyst arranged downstream of the particulate filter, the present invention is intended to decrease an amount of nox discharged into the atmosphere in a suitable manner. According to the present invention, in an exhaust gas purification system for an internal combustion engine provided with a particulate filter, an scr catalyst arranged downstream of the particulate filter, a reducing agent supply device and an egr device, when the temperature of the particulate filter is equal to or higher than a pm oxidation starting temperature, and when an amount of pm trapped in the particulate filter is equal to or less than an upper limit amount, an amount of egr gas is made to increase, whereas when the temperature of the particulate filter belongs to a temperature range in which oxidation reduction reaction of no2 and pm is promoted, and when the temperature of the scr catalyst belongs to an nox reduction window, an amount of no2 in exhaust gas is made to increase..
Toyota Jidosha Kabushiki Kaisha


08/27/15
20150240710 
new patent

Rotary internal combustion engine with pilot subchamber


A rotary engine having an insert in a peripheral wall of the stator body, the insert being made of a material having a greater heat resistance than that of the peripheral wall, having a subchamber defined therein and having an inner surface, the subchamber communicating with the cavity through at least one opening defined in the inner surface and having a shape forming a reduced cross-section adjacent the opening, a pilot fuel injector having a tip received in the subchamber, an ignition element having a tip received in the subchamber, and a main fuel injector extending through the stator body and having a tip communicating with the cavity at a location spaced apart from the insert. The subchamber has a volume corresponding to from 5% to 25% of a sum of the minimum volume and the volume of the subchamber.
Pratt & Whitney Canada Corp.


08/27/15
20150240707 
new patent

Wastegate valve seat position determination


Various methods for compensating variation in the geometry and position of linkages and valve seats in wastegate assemblies are provided. In one example, a method of operating a wastegate in an internal combustion engine comprises, at engine startup, placing a wastegate valve at a seat, recording a position of the seat and associating the seat position with one or more operating parameters, and modifying a position of a wastegate actuator based on the seat position throughout engine operation..
Ford Global Technologies, Llc


08/27/15
20150240705 
new patent

Two-stage turbocharger system for internal combustion engines featuring cylinder deactivation


An internal combustion engine includes an engine defining a plurality of cylinders including full-time active cylinders and cylinders capable of being deactivated. A turbocharger system having a high pressure turbocharger in communication with the exhaust passages from the full-time active cylinders and a low pressure turbocharger in communication with the exhaust passages from the cylinders capable of being deactivated.
Gm Global Technology Operations Llc


08/27/15
20150240701 
new patent

Coolant control device


A coolant control device includes: first control means for, at warm-up of an internal combustion engine, circulating coolant in a first passage bypassing the engine and stopping coolant circulation in the second passage passing through the engine; second control means 0 for, at engine warm-up and when the quantity of heat required by a heater core is smaller than or equal to a predetermined threshold, circulating coolant in the first passage while adjusting the flow rate of coolant circulating in the first passage and stopping coolant circulation in the second passage; and third control means for, at engine warm-up and when the required quantity of heat exceeds the predetermined threshold, circulating coolant in the first passage without decreasing the flow rate of coolant circulating in the first passage and circulating coolant in the second passage while adjusting the flow rate of coolant circulating in the second passage.. .
Toyota Jidosha Kabushiki Kaisha


08/27/15
20150240699 
new patent

Valve for controlling piston cooling jets in an internal combustion engine


A valve for controlling piston cooling jets in an internal combustion engine is disclosed. The valve includes a valve body equipped with an oil inlet for drawing oil from an oil gallery and an oil outlet for connection with a piston cooling jet gallery.
Gm Global Technology Operations Llc


08/27/15
20150240694 
new patent

System for preventing the accumulation of unburned hydrocarbons in a line of exhaust gas after treatment system of an internal combustion engine


A system for preventing the accumulation of unburned hydrocarbons in a line of exhaust gas after-treatment system of an internal combustion engine comprising at least one devise for the reduction of pollutant emissions, wherein the exhaust gas after treatment system is devoid of any pre-catalyst and a procedure is envisioned for the continuous estimation of a mass of unburned hydrocarbons stored at least in the device for the reduction of pollutant emissions, so as to activate a strategy for accelerating the heating of the exhaust line, when the mass of unburned hydrocarbons exceeds a predefined threshold.. .
Fpt Industrial S.p.a.


08/27/15
20150240686 
new patent

Exhaust throttle control for aftertreatment system thermal management


Systems, methods and apparatus are disclosed for thermal management of an scr catalyst in an exhaust aftertreatment system of an internal combustion engine that includes an exhaust throttle but lacks a particulate filter. The thermal management can include interpreting, initiating, and/or completing a thermal management event for the scr catalyst for removal of contaminants such as hydrocarbons and urea deposits.
Cummins Inc.


08/27/15
20150240685 
new patent

Operation control internal combustion engine


An operation control apparatus for an internal combustion engine includes: an exhaust emission purifier; a fuel supplying valve for supplying fuel to an exhaust passage; ignition means for igniting the fuel supplied; a warm up determining section for determining whether or not the purifier need be warmed; an exhaust heating determining section for determining whether or not the engine is in an operational state in which the fuel should be ignited and burned; an exhaust heating predicting section for predicting the transition from the operational state in which the fuel should not be ignited and burned to an operational state in which the fuel should be ignited and burned; and a heat generation temperature setting section for setting the temperature of a heating portion of the ignition means based on the result by the heating determining section and the predicting section.. .
Toyota Jidosha Kabushiki Kaisha


08/27/15
20150240682 
new patent

Systems and methods to mitigate nox and hc emissions


Systems and methods are provided for managing low temperature nox and hc emissions, such as during a cold start of an internal combustion engine. The systems and methods include storing nox and hc emissions at low temperatures and passively releasing and treating these emissions as the temperature of the exhaust system increases..
Cummins Inc.


08/27/15
20150240676 
new patent

Method for mounting an oil sump and arrangement of an oil sump on an assembly formed by a crankcase and a flywheel housing


An oil sump is mounted on an assembly formed by a crankcase and a flywheel housing of an internal combustion engine. The flywheel housing has a first parting plane to the crankcase and to the oil sump.
Man Truck & Bus Ag


08/27/15
20150240674 
new patent

Modular electrically actuated camshaft phaser


A camshaft phaser for controllably varying the phase relationship between a crankshaft and a camshaft of an internal combustion engine includes a housing connectable to the crankshaft and having a housing bore extending therethrough along an axis. A back cover is attached to one axial end of the housing while a front cover is attached to the other axial end of the housing.
Delphi Technologies, Inc.


08/27/15
20150240671 
new patent

Variable valve device for internal combustion engine


Provided is a variable valve device for an internal combustion engine, capable of improving engine characteristics by increasing the maximum valve lift of an intake valve to a large valve lift while preventing excessive lost motion operation of lost motion mechanisms. The variable valve device includes intake- and exhaust-side swing arms that pivot to open and close intake valves (3a, 3b) and exhaust valves (61a, 61b) in two cylinders #1, #2, intake- and exhaust-side hydraulic lash adjusters (10a, 10b, 65a, 65b) that serve as pivot points of the respective swing arms, a variable valve system that continuously varies valve lift characteristics of the intake valves and lost motion mechanisms (11) that stop opening and closing of the intake exhaust valves by lost motion of the intake- and exhaust-side hydraulic lash adjusters on the cylinder #1.
Hitachi Automotive Systems, Ltd.


08/27/15
20150239475 
new patent

Hybrid vehicle and operation


A hybrid electric vehicle includes a powertrain controller and an anti-lock braking system (abs) controller. The powertrain controller modulates the torque delivered by an internal combustion engine, a generator, and a motor to deliver a desired torque to two drive wheels.
Ford Global Technologies, Llc


08/27/15
20150239464 
new patent

Internal combustion engine control for a hybrid vehicle


When an engine is to be started, operation of the engine is started with injection of fuel from a port fuel injection valve, without injecting fuel from an in-cylinder fuel injection valve (s100). If a gear rattling noise is produced (s110), the engine is operated with fuel injection, from the in-cylinder fuel injection valve, without injecting fuel from the port fuel injection valve (s120).
Toyota Jidosha Kabushiki Kaisha


08/27/15
20150239463 
new patent

Control device and control hybrid drive vehicle


An internal combustion engine of a hybrid drive vehicle includes an exhaust gas purification catalyst in an exhaust passage. An internal combustion engine control device is configured to continuously rotate the internal combustion engine for a predetermined time period after an engine start.
Nissan Motor., Ltd.


08/27/15
20150239335 
new patent

Drive train for a hybrid motor vehicle


A drive train for a hybrid motor vehicle has an internal combustion engine (12) with a motor shaft (18) for providing a torque for driving the hybrid motor vehicle, and an electric machine (30) for providing a torque for driving the hybrid motor vehicle. The motor shaft (18) can be coupled via a transmission clutch (14) to a motor vehicle transmission (16) to shift transmission gears (1 to 8), and the motor vehicle transmission (16) has a transmission output shaft (28).
Dr. Ing. H.c. F. Porsche Aktiengesellschaft


08/27/15
20150239333 
new patent

Hybrid vehicle internal combustion engine


An internal combustion engine for a hybrid vehicle includes an engine block, a flywheel, and a grounding clutch coupled to the block. The block defines a bore along a first longitudinal axis.
Gm Global Technology Operations Llc


08/27/15
20150238934 
new patent

Catalysed substrate monolith


A catalysed substrate monolith 12 for use in treating exhaust gas emitted from a lean-burn internal combustion engine, which catalysed substrate monolith 12 comprising a first washcoat coating 16 and a second washcoat coating 18, wherein the first washcoat coating comprises a catalyst composition comprising at least one platinum group metal (pgm) and at least one support material for the at least one pgm, wherein at least one pgm in the first washcoat coating is liable to volatilise when the first washcoat coating is exposed to relatively extreme conditions including relatively high temperatures, wherein the second washcoat coating comprises at least one metal oxide for trapping volatilised pgm and wherein the second washcoat coating is oriented to contact exhaust gas that has contacted the first washcoat coating.. .
Johnson Matthey Public Limited Company


08/27/15
20150238904 
new patent

Exhaust gas purification internal combustion engine


To estimate an amount of reducing agent adsorbed to a selective reduction type nox catalyst with a higher degree of precision while maintaining a condition in which nox can be purified by the selective reduction type nox catalyst, the present invention includes: an upper limit value calculation unit that calculates an upper limit value of a reducing agent amount that is adsorbed to the selective reduction type nox catalyst when the reducing agent is supplied continuously during a steady state operation in an internal combust ion engine; and an estimation unit that estimates an upper limit value calculated by the upper limit value calculation unit when the reducing agent is supplied for at least a predetermined time during the steady state operation in the internal combustion engine to be the reducing agent amount adsorbed to the selective reduction type nox catalyst at that time.. .
Toyota Jidosha Kabushiki Kaisha


08/27/15
20150238901 
new patent

Exhaust gas cleaning device


The invention relates to an exhaust gas cleaning device (2) for an internal combustion engine, with an injection module (1) for a reduction agent, particularly urea, having a housing (3) with a main chamber (4), in which main chamber (4) a mixing tube (5) is arranged downstream of a metering chamber (6) into which the reduction agent is injected by means of an injection device (11). The injection module (1) for exhaust gas has at least one first inlet (8) into the main chamber (4) and at least one first outlet (7b) out of the mixing tube (5).
Avl List Gmbh


08/20/15
20150236481 

Corona ignition device


A corona ignition device for igniting fuel in an internal combustion engine by means of a corona discharge. The corona ignition device comprises a central electrode, an insulator into which the central electrode is plugged, a housing into which the insulator is plugged, a coil body onto which a coil from a winding wire is wound, which coil is connected to the central electrode, and a contact element that is located in a recess of the coil body and contacts the wire.
Borgwarner Ludwigsburg Gmbh


08/20/15
20150234953 

Method for calculating engine characteristic variables, data processing system and computer program product


A method for calculating engine characteristic variables of an internal combustion engine having the following steps: determination of an alternative injection profile in a first curve form which is described by interpolation points, by the interpolation points being calculated from at least one first engine characteristic variable; and determination of an alternative combustion profile in a second curve form which is described by interpolation points, by at least one interpolation point being calculated from the alternative injection profile and at least one second engine characteristic variable.. .
Mtu Friedrichshafen Gmbh


08/20/15
20150233459 

Cam follower or eccentric follower with roller supported by plain bearing mounting


A component constructed as a cam follower or eccentric follower, such as a finger follower, swinging arm, or rocker arm or tappet for gas-exchange valves or pumps of reciprocating internal combustion engines is provided, with a roller (2) that is guided on a pin (1) and is in active connection with a cam lobe or eccentric of a camshaft or a sliding cam of the internal combustion engine. The roller (2) is arranged on the pin (1) via a plain bearing mounting and the ratio of the plain bearing mounting width to the plain bearing mounting diameter is selected in the range of between approximately 0.4 to 0.8..
Schaeffler Technologies Ag & Co. Kg


08/20/15
20150233381 

Exhaust-gas turbocharger for use with an internal combustion engine


The present invention relates to an exhaust-gas turbocharger for use in an internal combustion engine and to a method for assembling and/or setting an exhaust-gas turbocharger. According to the invention, the exhaust-gas turbocharger comprises a regulating mechanism and an actuator device for actuating the regulating mechanism, wherein the actuator device comprises a control rod with a first part and a second part.
Borgwarner Inc.


08/20/15
20150233338 

Ignition timing control device and ignition system


The present invention provides an ignition timing control device and an ignition system which are capable of performing ignition timing control that easily suppresses occurrence of knocking for internal combustion engine. An ignition timing control device has a knocking detection device 41 detecting knocking of internal combustion engine; and an ignition timing adjustment device 43 adjusting ignition timing of internal combustion engine according to a knocking signal obtained from knocking detection device 41 and indicating knocking state and an externally-obtained signal concerning the ignition timing of the internal combustion engine.
Ngk Spark Plug Co., Ltd.


08/20/15
20150233337 

Thermal cold start system with multifunction valve


A thermal system with a multifunction valve for improving the cold start procedure for a vehicle internal combustion engine. The multifunction valve regulates and apportions the flow of coolant from the engine to either or both of the coolant pump and the radiator..
Borgwarner Inc.


08/20/15
20150233336 

Powertrain control system


The present invention relates to a powertrain control system (1) for a motor vehicle. The vehicle comprises an internal combustion engine (5) and an adjustable suspension system (9) operable in accordance with first and second ride height settings, said settings being associated with respective first and second vehicle ride heights.
Jaguar Land Rover Limited


08/20/15
20150233326 

Internal combustion engine


An upper-limit threshold value and a lower-limit threshold value of a fore-and-aft differential pressure of an egr control valve is calculated based on an intake-air quantity detected by an airflow meter. An actual fore-and-aft differential pressure of the egr control valve is calculated from detected values of an upstream-side pressure sensor and a downstream-side pressure sensor.
Nissan Motor Co., Ltd.


08/20/15
20150233321 

Method for producing a cooling channel system for internal combustion engines and piston produced in this way


A method for producing a cooling channel system for an internal combustion engine, which has a cooling channel in the piston crown. The piston crown is adjoined by a lower piston part having a piston boss, pin bores and piston skirts.
Ks Kolbenschmidt Gmbh


08/20/15
20150233320 

Method for modifying surface of piston for internal combustion engine, and piston for internal combustion engine


There is provided a piston with a surface modified layer for an internal-combustion engine by a method using a particle to be ejected made of iron-based alloy having a diameter of 20 to 200 μm, a thermal conductivity of 30 w/m·k or less at 25° c., and a specific gravity of 7.5 g/cm3 or greater. The method includes: first treatment for ejecting the particle onto a surface of a piston made of aluminum-silicon alloy or aluminum-copper-based alloy in a space in which oxygen exists at arc height value of 0.07 to 0.13 mm (n), second treatment for ejecting the particle onto the surface of the piston in a space in which oxygen exists at arc height of 0.13 to 0.22 mm (n), and heating treatment applying to the piston for 1.5 hours or longer at 170 to 190° c.
Fuji Kihan Co., Ltd.


08/20/15
20150233319 

Method of operating a fuel injector


An apparatus and method for operating a fuel injector of an internal combustion engine is disclosed. A first energizing electrical current is supplied to an injector solenoid, causing the opening of an injector control volume and a pressure reduction in said injector control volume, for a first energizing time.
Gm Global Technology Operations Llc


08/20/15
20150233318 

Method of operating an internal combustion engine


An apparatus and method for controlling a fuel injection system of an internal combustion engine is disclosed. Each fuel injector in the system is operated to perform a predetermined injection pattern per engine cycle.
Gm Global Technology Operations Llc


08/20/15
20150233313 

Method for calculating engine characteristic variables, data processing system and computer program product


A method for operating a reciprocating-piston internal combustion engine, including: supplying a fuel mixture having two fuel types and air into a combustion chamber; burning the fuel mixture in the combustion chamber during a working stroke; detecting the pressure profile in the combustion chamber during the working stroke by one pressure sensor per combustion chamber; determining an amount of energy per working stroke and per combustion chamber from the pressure profile. In order to enable different fuel types and/or fuel qualities to be taken into consideration in the regulation of the engine, the calorific value of the fuel mixture per working stroke and per combustion chamber is determined from the volume and/or the mass of the supplied fuel mixture and from the determined amount of energy per working stroke and per combustion chamber.
Mtu Friedrichshafen Gmbh


08/20/15
20150233312 

Method of operating an internal combustion engine


A method of operating an internal combustion engine, in particular a gas engine, comprising at least one combustion chamber to which a charge air is fed with a variable charge pressure and/or a variable amount of charge air, wherein a cylinder pressure value is ascertained from at least one measurement value of a sensor arranged in the at least one combustion chamber, wherein the cylinder pressure value is regulated by altering the charge pressure and/or by altering the amount of charge air as a setting value or values to a cylinder pressure target value, wherein the cylinder pressure target value is selected in dependence on a power of the internal combustion engine.. .
Ge Jenbacher Gmbh & Co Og


08/20/15
20150233309 

Apparatus for detecting abnormal combustion in a combustion engine


A spark ignition internal combustion engine includes: a compression ratio changing mechanism by which a volume of a combustion chamber varies; a cylinder internal pressure sensor that acquires a pressure signal of a pressure vibration inside a cylinder; and an abnormal combustion detector including a filter that passes the pressure signal, of a set frequency band among the pressure signal, and detecting an occurrence of abnormal combustion based on the pressure signal having passed through the filter. The abnormal combustion detector sets a frequency band of the filter based on a crank angle section in which abnormal combustion occurs and on a mechanical compression ratio..
Toyota Jidosha Kabushiki Kaisha


08/20/15
20150233308 

Control internal combustion engine and control vehicle equipped with internal combustion engine


Provided is a control apparatus for an internal combustion engine that can suppress blowback of in-cylinder residual gas to an intake passage when reverting from a fuel-cut operation accompanied by valve stopping control of an intake valve while suppressing an oil ascent during execution of the fuel-cut operation, and a control apparatus for a vehicle equipped with the internal combustion engine. When executing a fuel-cut operation accompanied by intake valve stopping control, advancement control of the opening/closing timing of an exhaust valve (32) is executed.
Toyota Jidosha Kabushiki Kaisha


08/20/15
20150233307 

Valve control systems for internal combustion engines and methods of operation thereof


A valve control system is provided for an internal combustion engine, the engine having at least one cylinder with at least one set of at least two valves. All the valves in the set are either inlet valves or exhaust valves, and the system is configured to selectively operate the set of valves in a single valve mode of operation during which only one valve of the set is open at any time..
Camcon Auto Limited


08/20/15
20150233306 

Variable valve timing control device for internal combustion engine, and control method


The present invention relates to variable valve timing control device and control method, which change valve timing of an internal combustion engine. An operation amount for controlling the valve timing is computed, and an operation amount computed at position detection timing of a valve timing control system is divided and output until next position detection timing..
Hitachi Automotive Systems, Ltd.


08/20/15
20150233304 

Internal combustion engine control system


Provided is an internal combustion engine control system capable of simultaneously and suitably carrying out the will of a driver to accelerate and modifications to the throttle opening degree characteristics. An internal combustion engine control system is provided with an accelerator pedal operation amount sensor for detecting the accelerator pedal operation amount, a storage unit for storing multiple different throttle opening degree characteristics of an engine relative to the accelerator pedal operation amount, a switch for selecting the throttle opening degree characteristic pertaining to a plus sports mode in response to an operation, and an engine control unit for controlling the throttle opening degree of the engine on the basis of the selected throttle opening degree characteristic and the detected accelerator pedal operation amount..
Honda Motor Co., Ltd.


08/20/15
20150233289 

Valve fault detection


Methods and systems are described for detecting valve actuation faults in internal combustion engines operating in a skip fire operational mode. In one aspect, a torque model is used to estimate an expected net torque during a selected operating window.
Tula Technology, Inc.


08/20/15
20150233288 

Connecting rod and internal combustion engine


A connecting rod (10) has a pin bearing eye for attaching the connecting rod (10) to a crankshaft, a connecting rod bearing eye (12) for attaching the connecting rod (10) to a piston of a cylinder, and an eccentric adjusting device (13) for adjusting an effective connecting rod length. The eccentric adjusting device (13) has eccentric rods (15, 16) that act on an eccentric lever (14) of the eccentric adjusting device (13).
Dr. Ing. H.c. F. Porsche Aktiengesellschaft


08/20/15
20150233281 

Intake manifold with integrated charge air cooler with two circuits


An intake device is provide for drawing in fresh gas and feeding the same to an internal combustion engine with internal combustion, wherein the intake device is suited for the formation of a fresh gas vortex in a combustion chamber of the internal combustion engine. The intake device includes a first manifold section, from which all first parts of fresh gas line groups branch off to a fresh gas outlet end, and a second manifold section, from which all second parts of the fresh gas line groups branch off to the fresh gas outlet end, which are fluidically separated from each other from the separation point to the fresh gas outlet end.
Röchling Automotive Se & Co. Kg


08/20/15
20150233277 

Method and apparatus to control regeneration of a particulate filter


An internal combustion engine is fluidly coupled to an exhaust aftertreatment system including a particulate filter. A method for operating the internal combustion engine includes determining an expected boost pressure of an intake air compressor system in response to an output torque request, determining a deviation between an actual boost pressure and the expected boost pressure, determining a engine-out soot generation rate correction based upon the deviation between the actual boost pressure and the expected boost pressure, adjusting a steady-state engine-out soot generation rate using the engine-out soot generation rate correction, time-integrating the adjusted steady-state engine-out soot generation rate, and commanding regeneration of the particulate filter when the time-integrated adjusted engine-out soot generation rate exceeds a predetermined threshold..
Gm Global Technology Operations Llc


08/20/15
20150233273 

Oil pan for internal combustion engine


An oil pan for an internal combustion engine mounted on a vehicle provided with a pair of right and left side members provided so as to extend in a front-rear direction of the vehicle and a cross member provided so as to extend in a width direction of the vehicle and fixed to the pair of side members, the oil pan formed of an upper oil pan attached to a body of the internal combustion engine and including an opening in a bottom portion and a lower oil pan attached so as to cover the opening of the upper oil pan from below, including an overlapping portion situated above the cross member and overlapping the cross member. The lower oil pan is provided so as to be situated in front of or behind the overlapping portion so as to include the overlapping portion..
Mitsubishi Jidosha Kogyo Kabushiki Kaisha


08/20/15
20150233271 

Variable lift valve train of an internal combustion engine


A method for operating an internal combustion engine with a sliding cam valve train that has a cam part (2) with three adjacent cams of different lifts (h, m, l) and a groove-shaped connecting link path with two path sections (s1, s2) that lift in both axial directions of the cam part and are arranged completely one behind the other around the circumference is provided. An actuator (10) selectively couples two actuator pins (7, 8) in the connecting link path, in order to move the cam part.
Schaeffler Technologies Ag & Co. Kg


08/20/15
20150233269 

Cam shaft phase setter comprising a control valve for hydraulically adjusting the phase position of a cam shaft


A cam shaft phase setter for adjusting the rotational angular position of a cam shaft relative to a crankshaft of an internal combustion engine by means of a hydraulic fluid, the cam shaft phase setter including a stator which can be rotary-driven by the crankshaft; a pressure chamber for the fluid; a rotor which is connected, rotationally fixed, to the cam shaft and coupled to the stator such that torque is transmitted and which can be adjusted in its rotational angle relative to the stator by introducing the fluid into the pressure chamber; a control valve including a valve housing and a valve piston; the valve housing including a housing inlet, an operating port to the pressure chamber and a reservoir port to a reservoir for the fluid and being connected, rotationally fixed, to the cam shaft or being formed by the cam shaft; the valve piston being axially adjustable back and forth in the valve housing between a first position and a second position and including a piston feed which is connected to the housing inlet and is connected to the operating port in the first position of the valve piston and separated from the operating port in the second position of the valve piston; an actuating unit, coupled to the valve piston, for axially adjusting the valve piston; and a feedback through which fluid which flows through the valve housing can be fed back into an engine housing of the internal combustion engine which rotatably mounts the cam shaft; wherein the cam shaft phase setter is configured such that the fluid flowing through the control valve flows back into the engine housing through one or more components of the phase setter which rotate with the cam shaft.. .
Schwäbische Hüttenwerke Automotive Gmbh


08/20/15
20150233268 

Valve train system drive device for an internal combustion engine, and engine incorporating same


In an internal combustion engine having an idle gear that transmits power received from a crankshaft to valve train systems, an idle shaft that rotatably supports the idle gear, and an outer cover that covers a crankcase from a lateral side, a valve train system drive mechanism includes a crankcase-side boss part is formed on a sidewall of the crankcase, which supports one end of the idle shaft. The drive mechanism also includes a case-cover-side boss part that is formed on the outer cover and supports the other end of the idle shaft.
Honda Motor Co., Ltd.


08/20/15
20150233267 

Lever-style cam follower


A lever-style cam follower (1) is provided for a sliding cam valve train of an internal combustion engine, including a cam roller follower (2), a structure (3) for a gas exchange valve, and a bearing point (4) for support against a cylinder head of the internal combustion engine. This cam follower (1) includes two lateral walls (6) which are connected by a transverse bar (5) and between which the cam roller follower (2) is received, the follower being mounted on a pin (7) that extends in bore holes (9) in the lateral walls (6).
Schaeffler Technologies Ag & Co. Kg




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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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