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Internal Combustion Engine patents



      

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




Date/App# patent app List of recent Internal Combustion Engine-related patents
06/23/16
20160181587 
 Portable jump starter apparatus with simplified safety protection patent thumbnailnew patent Portable jump starter apparatus with simplified safety protection
Apparatus for increasing the efficiency and safety of a starter battery for a starter motor of an internal combustion engine in a battery pack arrangement with one or more lithium based cells. The invention includes a solid state switching configuration for high powered battery systems for protecting against over-charging, over-discharging and short circuiting of batteries, especially starter batteries for internal combustion engines.

06/23/16
20160178417 
 Method and  checking a pressure-based mass flow sensor in an air delivery system for an internal combustion engine patent thumbnailnew patent Method and checking a pressure-based mass flow sensor in an air delivery system for an internal combustion engine
A method for checking a functional capability of a pitot mass flow sensor for measuring a mass flow of an inflowing gas in an engine system having an internal combustion engine, includes: measuring, as partial measured variables, a dynamic pressure that corresponds to a pitot pressure of a pitot tube of the pitot mass flow sensor; an absolute pressure; and a temperature of the inflowing gas; determining a diagnostic value depending on the partial measured variables and on a mass flow in the internal combustion engine; and ascertaining a functional capability of the pitot mass flow sensor depending on whether the diagnostic value indicates that a mathematical relationship between the partial measured variables corresponds to a predefined relationship.. .

06/23/16
20160177997 
 Variable length connecting rod and variable compression ratio internal combustion engine patent thumbnailnew patent Variable length connecting rod and variable compression ratio internal combustion engine
A variable length connecting rod which can change the effective length comprises a connecting rod body, an eccentric member which is attached at the small end to the connecting rod body to be able to swivel and which changes the effective length of a variable length connecting rod when swiveled, one piston mechanism which has one hydraulic cylinder which is provided in the connecting rod body and one hydraulic piston which slides in the hydraulic cylinder, a direction switching mechanism which switches between supply and discharge of hydraulic fluid to the hydraulic cylinder, and a hydraulic fluid supply source which supplies the hydraulic cylinder with hydraulic fluid. The piston mechanism is configured so that the eccentric member swivels in one direction if hydraulic fluid is supplied to the hydraulic cylinder and so that the eccentric member swivels in the other direction if hydraulic fluid is discharged from the hydraulic cylinder..

06/23/16
20160177950 
 Variable displacement oil pump patent thumbnailnew patent Variable displacement oil pump
A variable displacement oil pump for an internal combustion engine includes a pump element to vary inside volumes of pumping chambers to suck and discharge an oil, a varying mechanism to vary a pumping volume variation quantity of the pumping chambers, with movement of a movable member such as a cam ring, an urging mechanism to urge the movable member in a direction to increase the pumping volume variation quantity, first and second control oil chambers to urge the movable member to vary the pumping volume to variation quantity, and a control mechanism, such as a pilot valve, to control the supply/drainage of the oil to or from the second control oil chamber. An operation oil pressure of the movable member is set higher than an operation oil pressure of the control mechanism in a higher pressure region..

06/23/16
20160177902 
 Fuel unit pump and internal combustion engine comprising it patent thumbnailnew patent Fuel unit pump and internal combustion engine comprising it
A fuel unit pump for an internal combustion engine, said fuel unit pump comprising a fuel unit pump body, a pumping plunger and a follower assembly for following the movement of a cam lobe of a camshaft of the internal combustion engine. The follower assembly may have a follower body connected to the pumping plunger and a roller rotatably mounted on a roller carrier and having a roller rotation axis, wherein said roller carrier is rotatably mounted on said follower body and having a roller carrier rotation axis..

06/23/16
20160177901 
 Split fuel rail assembly for an internal combustion engine patent thumbnailnew patent Split fuel rail assembly for an internal combustion engine
A split fuel rail assembly for an internal combustion engine comprises a first manifold and a second manifold connected through a connector which is directly joined to each of the manifolds and which has a cross bore fluidly connecting the first and the second manifold and a stem passage fluidly connected to a fuel supply line. The present split fuel rail assembly is easier to manufacture and assemble and can be easily installed on the cylinder head assembly of the engine, by directly mounting the split fuel rail assembly on the cylinder lead assembly without any intermediate connecting piping..

06/23/16
20160177899 
 Fuel supply system for internal combustion engine patent thumbnailnew patent Fuel supply system for internal combustion engine
A fuel supply system for an internal combustion engine is provided. The fuel supply system includes a fuel tank, at least one fuel injector, a fuel supply line and a fuel return line.

06/23/16
20160177894 
 Engine air pre cleaner evacuation system for work machine patent thumbnailnew patent Engine air pre cleaner evacuation system for work machine
A work machine with an internal combustion engine is provided with an air inlet for receiving combustion air, wherein an air pre-cleaner is mounted in the inlet, a radiator, a cooling air fan and a debris removal means, configured to remove debris from a flow of air produced by the cooling air fan through the radiator, the removal means comprising a screen for collecting the debris, and an aspirator for aspirating the debris away from the screen, and a venturi element mounted downstream of the aspirator, and having an inlet portion, a throat portion and an outlet portion, wherein a duc is mounted between the engine air pre-cleaner and the throat portion, so that particles removed by the pre-cleaner flow towards the throat portion, and out through the outlet portion of the venturi element, together with the aspirated debris.. .

06/23/16
20160177893 
 Apparatus for air precleaner and precleaner patent thumbnailnew patent Apparatus for air precleaner and precleaner
An apparatus for partially blocking airflow in a precleaner for an internal combustion engine may include a stationary barrier configured to be mounted in a precleaner. The apparatus may further include a movable barrier coupled to the stationary barrier and configured to move between an open position and a closed position in response to changes in an air flow rate through the precleaner.

06/23/16
20160177877 
 A carburetor assembly patent thumbnailnew patent A carburetor assembly
The invention relates to a carburetor assembly (10) for a two-stroke internal combustion engine, the assembly comprising a main intake passage (12) accommodating a throttle valve (30), an additional air passage (14) accommodating an additional air valve (50), a pivotable air valve lever (55) turning together with the air valve (50), and an interlock lever (35) turning together with the throttle valve (30). The interlock lever (35) is configured to be settable in an interlocked pivotal position, in which the throttle valve (30) is open to a certain degree in order to provide a start gas position of the throttle valve (30), wherein the interlock is arranged to be released if the interlock lever (35) is pivoted further in the opening direction of the throttle valve (30).

06/23/16
20160177869 
new patent

Method for producing a ventilation bore in a thrust bearing of a crankcase of a reciprocating internal combustion engine


A method is provided for producing a ventilation bore in a thrust bearing of a crankcase of a reciprocating internal combustion engine by milling. The milling cutter is an angled-head milling cutter, which is introduced into the crankcase in the direction of a cylinder longitudinal axis and is moved in the direction of a crankcase longitudinal axis until the thrust bearing is perforated.

06/23/16
20160177866 
new patent

Piston for an internal combustioin engine


A piston (10) for an internal combustion engine has discrete, cylindrical support surfaces (18, 24) for supporting a piston pin, wherein, between at least two support surfaces (18, 24), there is provided a recess (26) which has a radial depth of at least 10% of half of the distance between two opposite support surfaces.. .

06/23/16
20160177864 
new patent

Method for manufacturing piston for internal combustion engine, and piston for internal combustion engine


Concave part is formed in a crown surface of the top of piston made of an aluminum alloy. This concave part is filled with mixed powder constituted of zirconia powder as a filler material and pure aluminum powder as a bonding material.

06/23/16
20160177863 
new patent

Iron-based sprayed coating, cylinder block for internal combustion engine using same, and sliding mechanism for internal combustion engine


An iron-based sprayed coating for coating a bore inner surface of a cylinder block for an internal combustion engine. A coating surface contains pits, its pit amount is within a range of 0.01% to 2.1%, and an average roughness ra of this coating surface is within a range of 0.01 μm to 0.15 μm.

06/23/16
20160177859 
new patent

Method of operating an internal combustion engine


A method of operating an internal combustion engine is described, which includes executing a warm up strategy of an engine aftertreatment system, wherein the warm up strategy includes injecting fuel into the engine according to a multi-injection pattern having at least one after injection.. .

06/23/16
20160177852 
new patent

On-line adaptive pid control of air charging system


An internal combustion engine includes an air charging system. A method to control the air charging system includes providing a desired operating target command for the air charging system, and monitoring operating parameters of the air charging system.

06/23/16
20160177850 
new patent

Internal combustion engine having a two stage turbocharger


A two stage turbocharger for an internal combustion engine, the two stage turbocharger comprising a high pressure turbine fluidly connected to an exhaust manifold of the engine through a high pressure turbine inlet duct and a low pressure turbine fluidly connected to the high pressure turbine through a low pressure turbine inlet duct, wherein the low pressure turbine is a variable geometry turbine, wherein the two stage turbocharger comprise a bypass duct system to bypass the variable geometry low pressure turbine, wherein the bypass duct system comprises a bypass valve.. .

06/23/16
20160177842 
new patent

Method for operating a fuel injection system of an internal combustion engine


A method for operating a fuel injection system of an internal combustion engine is disclosed. The fuel injection system comprises a high pressure accumulator (rail) and a high-pressure fuel pump with a digital inlet valve and which guides fuel into the high pressure accumulator.

06/23/16
20160177818 
new patent

Internal combustion engine and manufacturing method therefor


In an internal combustion engine in which an anodic oxide film (10) is formed on part or all of a wall surface facing a combustion chamber, the anodic oxide film (10) has a thickness of 30 μm to 170 μm, the anodic oxide film (10) has first micropores (1a) having a micro-size diameter, nanopores having a nano-size diameter and second micropores (1b) having a micro-size diameter, the first micropores (1a) and the nanopores extending from a surface of the anodic oxide film (10) toward an inside of the anodic oxide film (10) in a thickness direction of the anodic oxide film (10) or substantially the thickness direction, the second micropores (1b) being provided inside the anodic oxide film (10), at least part of the first micropores (1a) and the nanopores are sealed with a seal (2) converted from a sealant (2), and at least part of the second micropores (1b) are not sealed.. .

06/23/16
20160177817 
new patent

Failure detection device of internal combustion engine


During normal engine operation, a temporary determination mode is executed in which whether or not there is an air-fuel ratio variation among cylinders is determined on the basis of distortion in output waveform of an laf sensor, concurrently with determination of deterioration of a three-way catalyst, under a control condition of normal learning sensitivity of the learned value of a stoichiometry correction factor. If it is determined in the temporary determination mode that there is an air-fuel ratio variation, the determination mode is switched to a main determination mode and the learning sensitivity of the learned value of the stoichiometry correction factor is set to the sensitive side to determine whether or not there is an air-fuel ratio variation among the cylinders with higher reliability on the basis of the learned value of the stoichiometry correction factor (=the value of an enrichment process counter c2) which increases rapidly due to the air-fuel ratio variation among the cylinders..

06/23/16
20160177815 
new patent

Exhaust nozzle tip device and system


An exhaust nozzle tip for an exhaust runner conveying a first flow of an exhaust gas includes an inlet, outlet, and nozzle passageway. The inlet receives a second flow of the exhaust gas from an internal combustion engine.

06/23/16
20160177812 
new patent

Method for controlling a two-stroke internal combustion engine


A method for controlling a two-stroke internal combustion engine, the control method including: a longitudinal movement of a piston in the direction of the bottom dead centre of an engine, the movement being triggered by the expansion of burned gases in the master cylinder, during the longitudinal movement of the piston, the process includes a step of intake air pressurisation, adjustment of the pressure of the burned gases to a value lower than the intake air pressure, introduction into the cylinder of pressurised intake air, the air introduced forming a stratification layer redirecting the burned gases in the direction of the exhaust port.. .

06/23/16
20160177804 
new patent

Diagnostic system for internal combustion engine


A diagnostic system for an internal combustion engine is disclosed. The diagnostic system may include an electronic control unit.

06/23/16
20160177803 
new patent

Method for checking the efficacy of an exhaust gas after-treatment device


The invention relates to a method for checking the efficacy of an exhaust gas after-treatment device (9), especially of a caatlyst, for an internal combustion engine, exhaust gas generated by a donor internal combustion engine (2) flowing through the exhaust gas after-treatment device (9) to be checked. In order to allow the efficacy of an exhaust gas after-treatment device (9) to be checked with a high degree of flexibility and in a simple manner, a partial quantity is withdrawn from the exhaust gas flow of the donor internal combustion engine (2) and is fed to a defined partial inlet cross-section (22) of the exhaust gas after-treatment device (9) to be checked..

06/23/16
20160177801 
new patent

Exhaust system of an internal combustion engine with mixer for a liquid reductant


An exhaust system for an internal combustion engine includes an injection nozzle for injecting a liquid reductant into exhaust gas streaming through the exhaust system. A mixer is arranged in the exhaust-gas stream for swirling and dispersing the liquid reductant in the exhaust-gas stream.

06/23/16
20160177798 
new patent

Exhaust purification system of internal combustion engine


An internal combustion engine in which a hydrocarbon feed valve, exhaust purification catalyst, and nox selective reduction catalyst are arranged in an engine exhaust passage. A first nox removal method which injects hydrocarbons from the hydrocarbon feed valve within a predetermined range of period and uses the reducing intermediate which is generated due to this so as to reduce the nox contained in the exhaust gas and a second nox removal method which makes the air-fuel ratio of the exhaust gas flowing into the exhaust purification catalyst rich with a period longer than this predetermined range are used.

06/23/16
20160177796 
new patent

Method for operating a drive device and corresponding drive device


A method for operating a drive device having an internal combustion engine and an exhaust gas purification device for exhaust gas of the internal combustion engine includes performing an oxygen removal operation for removing oxygen from the exhaust gas purification device, wherein the oxygen removal operation includes at least one of operating the internal combustion engine sub-stoichiometrically and introducing additional fuel into the exhaust gas, wherein the oxygen removal operation is performed until a lambda value detected by a lambda probe arranged in the exhaust gas purification device reaches a defined lambda threshold value.. .

06/23/16
20160177795 
new patent

Exhaust manifold assembly and system


An exhaust runner includes an exhaust runner inlet, an exhaust nozzle outlet aperture, and an impingement insulator. The exhaust runner inlet is configured to receive a first flow of an exhaust gas from an internal combustion engine.

06/23/16
20160177793 
new patent

Method for regenerating an exhaust gas aftertreatment device


The invention provides a method for regenerating an exhaust gas aftertreatment device of a vehicle having an internal combustion engine selectively operable to provide power to at least one driven wheel. The internal combustion engine is operated with a user-operable ignition control in an on-mode.

06/23/16
20160177792 
new patent

Blow-by gas inlet structure of oil separator for internal combustion engine


A blow-by gas inlet structure of an oil separator adapted to be placed above a cam chamber of an internal combustion engine, comprises a plate that forms a bottom wall of the oil separator; a blow-by gas inlet opening that is formed in the plate; an oil blocking structure that is provided below the blow-by gas inlet opening in a manner to divide the blow-by gas inlet opening into front and rear inlet openings through which the blow-by gas is led into the oil separator, the front and rear inlet openings being arranged in a first direction; and a transverse rib that is provided on the oil blocking structure and extends in a second direction that is perpendicular to the first direction.. .

06/23/16
20160177791 
new patent

Oil mist separator


An oil mist separator that is provided at a portion further up than a cylinder head in an internal combustion engine body, includes: an oil mist separating unit that separates oil mist contained in a blow-by gas that is generated from the internal combustion engine body, wherein the oil mist separating unit includes a first member that is arranged in a lower portion and has a partitioning wall shape, and a second member that is arranged above the first member, and includes a first blow-by gas inlet port which is provided at a position further up than the first member and through which the blow-by gas flows into the oil mist separating unit.. .

06/23/16
20160177720 
new patent

Two-stroke internal combustion engine with a spherical chamber


An internal combustion heat engine, of which the architecture of one elementary “cylinder” includes 4 identical mobile couplings distributed about the z axis of the engine, consisting of a segmented “piston” driven by the crank pin of a crankshaft and guided by a roller rolling in a slide. The crankshafts, which are parallel and synchronised by a gear mechanism, perform one revolution per cycle.

06/23/16
20160176391 
new patent

Hybrid vehicle


A hybrid vehicle includes an internal combustion engine, an electric power storage device, an electric motor, and an electronic control unit. The internal combustion engine is configured to generate a traveling driving force.

06/23/16
20160176322 
new patent

Motor vehicle


A motor vehicle, encompassing a body, a drive motor, in particular an internal combustion engine and/or an electric motor, a crash detection device, a computing unit, at least one front seat with a seat part and a back part, at least one rear seat with a seat part and a back part, at least one rearward displacement device for the at least partial rearward displacement of the at least one front seat during a pre-crash phase acquired by the crash detection device, wherein the seat part of the at least one rear seat has built into it a first means for lifting up the legs of an individual on the at least one rear seat during the pre-crash phase, and the back part of the at least one front seat has built into it a second means for the rearward movement of the legs of the individual on the at least one rear seat during the pre-crash phase.. .

06/23/16
20160176311 
new patent

State of charge indication


A system for providing a scale (11) of electrical charge of a vehicle battery and a hybrid vehicle comprising such a system comprises a scale (11) of state of charge of the vehicle battery. The scale (11) comprises minimum (14) and maximum (15) parameters and a controller to select the minimum (14) and maximum (15) parameters if the scale (11) in dependence on a battery usage parameter dependent on at least one of a mode of operation of the vehicle, a state of charge of the battery and a state of health of the battery.

06/23/16
20160176280 
new patent

Hybrid drive of a motor vehicle and controlling same


The invention relates to a hybrid drive (1.1-1.10) of a motor vehicle, which features an internal combustion engine (vm) with a drive shaft (2), an electric machine (em) with a rotor (3) operable as a motor and as a generator, an automated manual transmission (4.1-4.6) carried out in a lay-shaft design with one input shaft (ge) and at least one output shaft (ga; ga1, ga2), along with a phase shifter gearbox (5.1, 5.2) formed in a planetary design with two input elements (6, 7) and one output element (8). With this hybrid drive, it is provided the phase shifter gearbox is arranged coaxially around a free end (9, 9′) of the output shaft (ga; ga2), and that the first input element (6) of the phase shifter gearbox is connected in a torque-proof manner to a hollow shaft (10) arranged in a coaxial manner around the output shaft, which, for coupling the internal combustion engine (vm) through a coupling shift element (k), is connectable in a torque-proof manner to an idler gear (11, 12) of the directly axially adjacent spur gear stage (z2, z3) of the manual transmission, and, for bypassing the phase shifter gearbox through a bypass shift element (l, l′), is connectable in a torque-proof manner to the second input element (7) or the output element (8) of the phase shifter gearbox, that the second input element (7) of the phase shifter gearbox is permanently in drive connection with the rotor (3) of the electric machine (em), and that the output element (8) of the phase shifter gearbox is connected in a torque-proof manner to the output shaft..

06/23/16
20160175927 
new patent

Insert part that can be infiltrated


An insert part for a cast piston of an internal combustion engine may include a powder, such as a sintered powder material, containing at least iron or alloys thereof, and having a capacity for being infiltrated. The powder may contain particles having different grain sizes, and up to 4% by volume of the powder may include particles having a diameter smaller than 75 μm..

06/23/16
20160175776 
new patent

Method for operating an exhaust gas after-treatment system for an internal combustion engine


In a method for operating an exhaust gas after-treatment system for an internal combustion engine, the exhaust gas after-treatment system comprises at least one apparatus for generating a plasma and at least one scr catalyst. The exhaust gas after-treatment system further comprises a device for metering a reactant for the scr catalyst.

06/16/16
20160171792 

Negative pressure abnormality detection apparatus and control internal combustion engine


A negative pressure detection part detects a negative pressure from a signal of a negative pressure sensor detecting a negative pressure generated due to rotation of an internal combustion engine. The negative pressure is used to assist a vehicle driver's braking operation.
Toyota Jidosha Kabushiki Kaisha


06/16/16
20160169731 

Method and device for diagnosing an auxiliary heating function of an air mass sensor


For diagnosing a proper functioning of an auxiliary heater in an air mass sensor in an engine system including an internal combustion engine, the auxiliary heater being used for preventing contamination of a sensor area, the air mass sensor communicating air mass information via a signal line during a sensor operating mode and, if a specified state on the signal line is detected, activating the auxiliary heater, the following are performed: setting the state of the signal line to the specified state for a predefined time period in an auxiliary heater operating mode; transmitting a first temperature information before the activation of the auxiliary heater operating mode and a second temperature information via the signal line after expiration of the predefined time period; and detecting the proper functioning of the auxiliary heater depending on the difference between the first temperature information and the second temperature information.. .
Robert Bosch Gmbh


06/16/16
20160169723 

Mass airflow meter


A mass airflow meter is installed in the main intake passage of an internal combustion engine (ice) and comprises an auxiliary passage and two sensors positioned in the auxiliary passage. The two sensors are connected to a control circuit which controls the air intake based on results measured by the sensors.
Yow Jung Enterprise Co., Ltd.


06/16/16
20160169400 

Gas exchange valve


A gas exchange valve of an internal combustion engine may include a valve plate and a valve stem. A nickel-phosphorus layer may be disposed on at least the valve stem.
Mahle International Gmbh


06/16/16
20160169387 

Piston ring and manufacturing same


A piston ring for a piston of an internal combustion engine or a compressor may include a substantially annular shaped body defining an inner surface facing towards a groove configured to receive the body, an upper surface facing towards a combustion chamber and extending substantially at a right angle to the inner surface, and a lower surface disposed substantially opposite the upper surface. A layer of thermally insulating coating may be disposed at least partially on at least one of the inner surface, the upper surface and the lower surface..
Mahle International Gmbh


06/16/16
20160169277 

Thrust bearing and bearing device for crankshaft of internal combustion engine


The invention provides a thrust bearing for receiving an axial force of a crankshaft of an internal combustion engine. The thrust bearing includes a pair of half thrust bearings having a semi-annular shape that form an annular shape by abutting their circumferential end surfaces.
Daido Metal Company Ltd.


06/16/16
20160169271 

Bearing device for crankshaft of internal combustion engine


The invention provides a bearing device, including a crankshaft, a pair of half bearings each having crush reliefs formed adjacent to both circumferential ends thereof, a bearing housing in which a retaining hole is formed for retaining the pair of half bearings, and one half thrust bearing having a semi-annular shape arranged adjacent to the retaining hole. The half thrust bearing includes thrust reliefs formed adjacent to both circumferential end portions of a sliding surface receiving an axial force of the crankshaft so that its wall thickness is made thinner toward the circumferential end surface, and a thrust relief length at an inner end portion of the thrust relief positioned on a rear side in the crankshaft rotational direction is formed to be larger than a thrust relief length at an inner end portion of the thrust relief positioned on a front side in the crankshaft rotational direction..
Daido Metal Company Ltd.


06/16/16
20160169186 

Method of spark timing adjustment for an internal combustion engine


Systems and methods are disclosed for adjusting the spark timing of an internal combustion engine. According to at least one aspect of the present disclosure, the system includes an exhaust gas recirculation (egr) system for recirculating exhaust gas flow from at least one primary egr cylinder of an engine into an intake system prior to combustion.
Cummins Inc,


06/16/16
20160169185 

Internal combustion engine


An internal combustion engine 20 includes a combustion chamber 26, a fuel injector 31 injecting fuel into the combustion chamber 26, a cylinder 22, a piston 24 having a crown and reciprocating in the cylinder 22, the crown being exposed to the combustion chamber 26, and an ignition delay enhancer prolonging an ignition delay of a fuel-air mixture in the combustion chamber 26. A ceramic member 24a is disposed on at least a fuel injection port, to which fuel is injected from the fuel injector 31, of the crown of the piston 24..
Ngk Insulators, Ltd.


06/16/16
20160169183 

Reciprocating piston internal combustion engine including a sensor system on a gas exchange valve


A reciprocating piston internal combustion engine includes: a sensor system on a gas exchange valve which has a valve head situated at a first end of a valve stem; a lever element which engages at a second end of the valve stem and which is designed to actuate the gas exchange valve by displacing the valve head; a detection element which, upon actuation of the gas exchange valve, is displaced along a displacement path; and a sensor device configured to ascertain a position of the detection element. The sensor device is situated in such a way that the detection element, during a displacement along a portion of the displacement path, moves predominantly in a movement toward the sensor device or away from the same, thereby providing a measurement of valve timing of the gas exchange valve..
Robert Bosch Gmbh


06/16/16
20160169177 

Fuel injector


A fuel injector (100) for an internal combustion engine is disclosed. The fuel injector is particularly suitable for use as a dual fuel injector, and comprises a generally tubular outer valve needle (130), an inner valve needle (140) slidably received in the outer valve needle (130), and a nozzle body assembly (112) comprising a tip part (120) and a needle guide part (118).
Delphi International Operations Luxembourg S.a.r.l.


06/16/16
20160169172 

Fuel injector


A fuel injector for an internal combustion engine, comprising an injector body (12), a first actuator for controlling movement of a first valve needle for injecting a first fuel into a cylinder of the engine, and a second actuator for controlling movement of a second valve needle for injecting a second fuel into the cylinder, each of the actuators being axially spaced along a longitudinal axis (a-a) of the injector body (12) and comprising a respective conductive element for carrying current to the actuator, the injector further comprising an electrical connector module (40) including first and second electrical connector means (60, 62, 64, 66) for connection with an associated one of the conductive elements for the actuators, and wherein the electrical connector module (40) is mounted between the first and second actuators along the longitudinal axis (a-a) of the injector body (12).. .
Westport Power Inc.


06/16/16
20160169167 

Internal combustion engine for a motor vehicle, and operating such an internal combustion


An internal combustion engine for a motor vehicle is disclosed. The engine has at least two combustion chambers and an exhaust gas tract with at least one exhaust gas duct associated with the combustion chambers and through which exhaust gas from the combustion chambers can flow to guide the exhaust gas to a turbine of an exhaust gas turbocharger.
Daimler Ag


06/16/16
20160169165 

Turbocharging system for use with internal combustion engine


A turbocharging system for use with an internal combustion engine, which includes an exhaust gas feeding passage configured to feed exhaust gas of an internal combustion engine to a turbine unit; an exhaust gas passage configured to release the exhaust gas discharged from the turbine unit outside of the turbocharging system; an intake air passage configured to feed intake air into the compressor unit; a compressed air passage configured to feed compressed air discharged from the compressor unit to the internal combustion engine; an intercooler configured to cool the compressed air flowing through the compressed air passage; and an lpl-egr passage configured to recirculate at least a part of the exhaust gas flowing through the exhaust gas passage, into the intake air passage, wherein the compressed air passage is provided with a cyclone-type collecting device arranged upstream of the intercooler to collect foreign substances contained in the compressed air.. .
Otics Corporation


06/16/16
20160169163 

Hydrogen motor vehicle without hydrogen on board


The object is attained in the following way. A motor vehicle comprising an internal combustion engine provided with a liquid cooling system with a primary radiator mounted in front of the engine, and a hydrogen generator accommodated in a trunk and operating on the reaction of aluminum composites with water, further comprises an exhaust gas cooling system to autonomously supply the generator with water by condensing water vapors in exhaust gases.

06/16/16
20160169161 

Control device for internal cdmbustion engine


An internal combustion engine has a water-cooled intercooler cooling intake air turbocharged by a turbocharger. The intercooler has an ht intercooler into which ht cooling water passing through a cylinder block is introduced and an lt intercooler into which lt cooling water lower in temperature than the ht cooling water is introduced and the lt intercooler is arranged to abut against an intake downstream side of the ht intercooler.
Toyota Jidosha Kabushiki Kaisha


06/16/16
20160169153 

Engine piston


A piston for an internal combustion engine includes a piston body forming a crown portion and a skirt portion. The skirt portion includes a pin bore and forms two guide surfaces.
Caterpillar Inc.


06/16/16
20160169151 

Piston for internal combustion engine and manufacturing method thereof


A piston for an internal combustion engine includes a piston main body for the internal combustion engine, and a crosshatched groove being formed on a surface of the piston main body. The crosshatched groove includes a crosshatch angle that corresponds to a crossing angle of lines that configure a crosshatch, the crosshatch angle that is set at a range from equal to or greater than 15 degrees to equal to or less than 35 degrees..
Aisin Seiki Kabushiki Kaisha


06/16/16
20160169150 

Lightweight construciton of a diesel piston


The invention relates to a piston (10) for an internal combustion engine, comprising a piston crown (22), a cylindrical piston head (11), which adjoins the piston crown (22), and an at least partially hollow piston skirt (40), which is formed on the piston head (11) on the side facing away from the piston crown (22) and which has two opposite skirt wall segments (50) and two opposite connecting walls (60) that connect the skirt wall segments (50), wherein the connecting walls (60) each have a pin bore (61), wherein the piston head (11) has an annular cooling channel (18), which has at least one inlet opening (28) and at least one outlet opening (30), and the two skirt wall segments (50) widen toward the piston head (11) in such a way that the sector length (l1) of the side of the skirt wall segment (50) formed on the piston head (11) is greater than the sector length (l2) of the side of the skirt wall segment (50) facing away from the piston head (11).. .
Federal-mogul NÜrnberg Gmbh


06/16/16
20160169149 

Method of machining a motion-supporting surface of a cylinder of an internal combustion engine


A method for working a wall of a cylinder of an internal combustion engine, in which peripheral grooves are machined into the wall, wherein at least one annular saw blade, which is provided on a circumference with a multiplicity of cutting teeth, is used for introducing the grooves, wherein the saw blade is moved so as to rotate about its longitudinal axis and on an annular path. A subsequent forming operation on the lands that are formed between neighboring grooves causes the formation of undercuts that can improve the connection of the wall of the cylinder to a subsequently applied coating layer..
Technische UniversitÄt MÜnchen


06/16/16
20160169143 

Multi-fuel system for internal combustion engines


In a multi-fuel system for diesel engines, natural gas is mixed with diesel fuel and conditioned in a mixing chamber before being injected into the mixing chamber of the engine. Filtered blow-by gas may also be introduced into the combustion chamber.

06/16/16
20160169140 

In-range sensor fault diagnostic system and method


An internal combustion engine includes an electronic controller programmed to determine, for at least one combustion event in a combustion chamber, a theoretical polytropic constant, a measured polytropic constant, and a difference between the theoretical polytropic constant and the measured polytropic constant. The electronic controller is further programmed to calculate an adjusted pressure signal based on the pressure signal and the difference such that the adjusted pressure signal compensates for changes to an accuracy of the pressure sensor over time..
Caterpillar Inc.


06/16/16
20160169139 

Negative pressure abnormality detection apparatus, and control internal combustion engine


A negative pressure abnormality detection apparatus includes a negative pressure sensor to output a signal representing negative pressure in a negative pressure chamber of a brake booster into which intake negative pressure of an intake manifold generated by rotation of an engine is introduced; a negative pressure detection unit to detect the negative pressure based on the signal; an abnormality determination unit to determine whether an abnormality occurs with the negative pressure sensor, based on whether the negative pressure is shifted toward atmospheric or vacuum pressure relative to a threshold, when a state continues for a predetermined time or longer during which the engine rotates and a negative-pressure-expending braking operation is not performed; and a threshold change unit to change the threshold depending on opening of a throttle valve in an intake pipe connected with the intake manifold, while the state continues.. .
Toyota Jidosha Kabushiki Kaisha


06/16/16
20160169134 

Method for operation of an internal combustion engine


A method for operating an internal combustion engine having a plurality of cylinders includes: measuring, by exhaust gas sensors arranged at an exhaust gas of every cylinder for which cylinder-specific combustion control is carried out, for each respective cylinder, at least one actual combustion value; comparing each respective measured actual combustion value with a reference combustion value to determine at least one cylinder-specific control deviation for every cylinder for which cylinder-specific combustion control is carried out; determining at least one cylinder-specific control variable for every cylinder for which cylinder-specific combustion control is carried out based on the cylinder-specific control deviation or on every cylinder-specific control deviation; and operating each cylinder for which cylinder-specific combustion control is carried out based on the respective cylinder-specific control variable to bring the respective actual combustion value closer to the respective reference combustion value and minimize the respective control deviation.. .
Man Diesel & Turbo Se


06/16/16
20160169133 

System and increasing gaseous fuel substitution


A fuel control system for a multiple fuel internal combustion engine may include at least one cylinder pressure sensor associated with each cylinder of the engine. A data collection module may be configured to receive real-time cylinder pressure measurements from each of the at least one cylinder pressure sensors and calculate one or more actual combustion parameter values from the real-time cylinder pressure measurements.
Caterpillar Inc.


06/16/16
20160169132 

System and increasing tolerance to fuel variation


A fuel control system for a multiple fuel internal combustion engine may include at least one cylinder pressure sensor associated with each cylinder of the engine. A data collection module may be configured to receive real-time cylinder pressure measurements from each of the at least one cylinder pressure sensors and calculate one or more actual combustion parameter values from the real-time cylinder pressure measurements.
Caterpillar Inc.


06/16/16
20160169124 

Controller for internal combustion engine


A controller for controlling an internal combustion engine includes a valve timing adjuster, a variable valve lift mechanism and a processor. The processor controls a duty cycle of a drive signal in a selected one of control modes, thereby changing a relative rotational phase of a camshaft relative to an engine output shaft.
Toyota Jidosha Kabushiki Kaisha


06/16/16
20160169099 

Switching valve and internal combustion engine having such a switching valve and a a switching valve


A switching valve for an internal combustion engine, which has an adjustable compression ratio, namely to control a hydraulic oil flow particularly for an eccentric adjustment mechanism, having a control piston, which can be shifted by a switching mechanism similar to a ballpoint pen mechanism, wherein the control piston controls the hydraulic oil flow dependent on the switch position thereof, wherein the switching mechanism comprises at least one actuation element and a detent element, and wherein at least the control piston, the actuation element and the detent element are nested in each other so that they are implemented in a concentrically overlapping manner, at least in sections, when viewed in the shifting direction of the control piston.. .
Fev Gmbh


06/16/16
20160169086 

Combustion chamber with ducts for internal combustion engines


An internal combustion engine is provided. The internal combustion engine includes an engine cylinder, a piston, a cylinder head, a combustion chamber, and a fuel injector.
Caterpillar Inc.


06/16/16
20160169085 

Internal combustion engine


Wherein at least one and preferably all of the apertures associated with a pre-chamber gas valve has such a small through-flow coefficient that the pressure which occurs at a maximum between the combustion cycles in the volume between the pre-chamber gas valve and the aperture does not reach the pressure prevailing in the pre-chamber gas supply conduit.. .

06/16/16
20160169084 

Expansion tank for the coolant of fluid-cooled internal combustion engines


An expansion tank for the coolant of a fluid-cooled machine, in particular a machine-operated water-borne vehicle or a truck includes at least one inlet connection arranged in the lower region of the expansion tank, and an outlet connection for connection of the expansion tank to a cooling circuit of an internal combustion engine. A filler nozzle is arranged in the upper region of the expansion tank and has a lower edge spaced from an expansion tank cover to limit the fill level.
Man Truck & Bus Ag


06/16/16
20160169082 

A hydraulic circuit associated with an internal combustion engine


A hydraulic circuit associated with an internal combustion engine comprising a main cooling circuit of the engine provided with a circulation pump for a cooling fluid, and an auxiliary preheating circuit branched from the main circuit; the pump is a rotary volumetric pump dimensioned so as to generate, at least during a warm-up transient of the engine, a flow rate greater than that required for the cooling of the engine; at least one fraction of the flow rate generated by the pump is sent to the auxiliary circuit where it recovers heat from a fluid at higher temperature, such as the exhaust gases and/or the supercharging compressed air of the engine, and gives it to a fluid at lower temperature, such as for example the engine oil or the passenger compartment air.. .
Sei - Servizi Per L'economia E Per L'ingegneria Srl


06/16/16
20160169078 

Exhaust gas system of a motor vehicle


An exhaust gas system of a motor vehicle which has an internal combustion engine with a plurality of cylinder groups, with a first exhaust gas section which is assigned to a first cylinder group of the internal combustion engine, and with a second exhaust gas section which is assigned to a second cylinder group of the internal combustion engine, each exhaust gas section comprising in each case one exhaust gas purification device, and a common silencer interacting with the first exhaust gas section and the second exhaust gas section, namely in such a way that, starting from the exhaust gas purification device of the first exhaust gas section and starting from the exhaust gas purification device of the second exhaust gas section, in each case, a first part exhaust gas section opens into an interior of the common silencer.. .
Dr. Ing. H.c. F. Porsche Aktiengesellschaft


06/16/16
20160169076 

Method for monitoring an oxidation catalysis device


A method for monitoring an oxidation catalysis device or doc arranged in an exhaust line of an internal combustion engine of a vehicle, in a predetermined range of inlet (2) and outlet (3) temperatures of the doc, includes injecting predetermined successive quantities of fuel in stages (5, 6) into the inlet of the doc, recording the outlet (3) temperature of the doc after each injected quantity of fuel, recording the total quantity injected for a given stage, for which the outlet temperature (3) of the doc begins to decrease, determining a characterization of the doc monitored, then comparing this characterization with a test characterization of a similar doc which has been established beforehand in order to determine a threshold degradation of the doc monitored that is not to be exceeded.. .
Continental Automotive France


06/16/16
20160169073 

System and diagnosing the selective catalytic reduction system of a motor vehicle


A system and method for diagnosing selective catalytic reduction system of a motor vehicle, the system including an internal combustion engine connected by an exhaust manifold to, successively, an assembly including a nitrogen oxide catalyst and a particle filter and a selective catalytic reduction system, a mechanism draining mass of ammonia stored in the selective catalytic reduction system, a mechanism controlling draining, and a mechanism injecting urea positioned upstream of the selective catalytic reduction system, a mechanism measuring quantity of ammonia at an outlet of the selective catalytic reduction system, a system determining maximum mass of ammonia stored in the selective catalytic reduction system, and a comparison mechanism configured to transmit a fault signal based on a result of a comparison between the maximum mass of ammonia stored in the selective catalytic reduction system and a threshold.. .
Renault S.a.s


06/16/16
20160169072 

Exhaust aftertreatment system and method


One variation may include a method of controlling exhaust gas flow in an internal combustion engine system, and products and systems using same.. .
Borgwarner Inc.


06/16/16
20160169070 

Exhaust pipe


A pipe (11), carrying exhaust gas, of an exhaust system (1) of an internal combustion engine (9), with a tubular body (15) carrying exhaust gas, and with at least one attachment part (12) separate with respect to the tubular body (15), which is added laterally to the tubular body (15) so that externally on the tubular body (15) a cavity (13) is arranged delimited at least partially by the attachment part (12), which extends in the circumferential direction (14) of the tubular body (15) over less than 360°.. .
Eberspächer Exhaust Technology Gmbh & Co. Kg


06/16/16
20160169065 

System, for rocker arm position sensing


A system for monitoring operation of an internal combustion engine having a rocker arm assembly for actuating an engine valve is disclosed. The rocker arm assembly includes a first arm with a first end, a second arm also having a first end pivotally connected near the first end of the first arm, a latch that when latched secures the first arm relative to the second arm in a latched mode, and when unlatched allows the first arm to move relative to the second arm in an unlatched mode.
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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