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Internal Combustion Engine patents



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


Piston of an internal combustion engine

Caterpillar Energy Solutions

Piston of an internal combustion engine

Piston of an internal combustion engine

Mtu Friedrichshafen

Method for controlling and regulating an internal combustion engine according to the hcci combustion method

Date/App# patent app List of recent Internal Combustion Engine-related patents
04/23/15
20150112536
 Hybrid vehicles patent thumbnailnew patent Hybrid vehicles
A hybrid vehicle comprises an internal combustion engine, a traction motor, a starter motor, and a battery bank, all controlled by a microprocessor in accordance with the vehicle's instantaneous torque demands so that the engine is run only under conditions of high efficiency, typically only when the load is at least equal to 30% of the engine's maximum torque output. In some embodiments, a turbocharger may be provided, activated only when the load exceeds the engine's maximum torque output for an extended period; a two-speed transmission may further be provided, to further broaden the vehicle's load range.
04/23/15
20150112529
 Fail-safe control  engine clutch actuator and apparatus thereof patent thumbnailnew patent Fail-safe control engine clutch actuator and apparatus thereof
A fail-safe control method and apparatus for an engine clutch actuator includes determining whether a driving mode of a hybrid vehicle is an electric vehicle (ev) mode. An oil pressure in a cylinder of the engine clutch actuator is measured when the driving mode of the hybrid vehicle is the ev mode.
Hyundai Motor Company
04/23/15
20150112525
 Hybrid vehicle powertrain management system and method patent thumbnailnew patent Hybrid vehicle powertrain management system and method
A vehicle is provided with a powertrain including an electric motor, an internal combustion engine, and a turbocharger. The vehicle further includes a controller programmed to apply a variable filter to engine torque commands that are responsive to driver demand.
Ford Global Technologies, Llc
04/23/15
20150111727
 Catalyst composition for exhaust gas purification and exhaust gas purifying catalyst for automobiles patent thumbnailnew patent Catalyst composition for exhaust gas purification and exhaust gas purifying catalyst for automobiles
The present invention is to provide a catalyst composition for exhaust gas purification, which is superior in purification performance for nitrogen oxides (nox), carbon monoxide (co) and hydrocarbons (hc) in exhaust gas to be discharged from an internal combustion engine of a gasoline vehicle or the like; and an catalyst for exhaust gas purification for automobiles. The present invention is a catalyst composition for exhaust gas purification for purifying nitrogen oxides, carbon monoxide, and hydrocarbons in exhaust gas, which includes a catalyst composition wherein rhodium is supported, together with an α-alumina particle, on a zirconia-type base material, characterized in that average particle size of the α-alumina particle is 10 nm to 1 μm, and also is smaller than average particle size of the zirconia (zro2)-type base material..
N.e. Chemcat Corporation
04/23/15
20150111695
 Clutch mechanism,  the operation of the clutch mechanism, as well as drive train of a motor vehicle patent thumbnailnew patent Clutch mechanism, the operation of the clutch mechanism, as well as drive train of a motor vehicle
A clutch mechanism which is arranged in a drive train between an internal combustion engine and a manual shift transmission of a motor vehicle. An input shaft is connected rotationally secured to the internal combustion engine and an output shaft is connected rotationally secured to the manual shift transmission.
Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg
04/23/15
20150110681
 Catalytic converter device with injection section patent thumbnailnew patent Catalytic converter device with injection section
An injection section (12) of an exhaust system for an internal combustion engine, with a channel (13) for guiding an exhaust gas flow (3), with an injection port (14), laterally on the channel to which a liquid or gas injector (15) can be connected, and with an injection chamber (16), formed in the channel in the area of the injector port. The chamber is defined by a perforated, first flow through partition (17), arranged in the channel upstream of the injector port relative to the exhaust gas flow and, and by a perforated, second flow through partition, arranged in the channel downstream of the injector port relative to the exhaust gas flow.
Eberspacher Exhaust Technology Gmbh & Co. Kg
04/23/15
20150110609
 Hybrid cycle rotary engine patent thumbnailnew patent Hybrid cycle rotary engine
An internal combustion engine includes in one aspect a source of a pressurized working medium and an expander. The expander has a housing and a piston, movably mounted within and with respect to the housing, to perform one of rotation and reciprocation, each complete rotation or reciprocation defining at least a part of a cycle of the engine.
Liquidpiston, Inc.
04/23/15
20150108923
 Method for current-controlling at least one piezoelectric actuator of a fuel injector of an internal combustion engine patent thumbnailnew patent Method for current-controlling at least one piezoelectric actuator of a fuel injector of an internal combustion engine
The step of applying the electrical polarization charge including a prior step of increasing the value of the charge current to a value greater than that of the nominal charge.. .
04/23/15
20150108892
 Spark plug for internal combustion engine patent thumbnailnew patent Spark plug for internal combustion engine
A spark plug includes a center electrode, an insulator holding the center electrode inserted thereinto, a housing holding the insulator inserted thereinto and a ground electrode joined to the housing so as to form a spark discharge gap with the center electrode . The center electrode includes a core member and a cover layer covering a surface of the core member.
Denso Corporation
04/23/15
20150108831
 Reserve power system for internal combustion engine patent thumbnailnew patent Reserve power system for internal combustion engine
According to one embodiment, an electrical power management system for an internal combustion engine system with a power consumption device includes a battery and a supercapacitor. The battery is coupleable in electrical power providing communication with the power consumption device.
Cummins Ip, Inc.
04/23/15
20150108722
new patent

Combustion chamber gasket seal for combustion engines of vehicles, preferably of motor vehicles


A combustion chamber gasket seal for internal combustion engines of vehicles, preferably of motor vehicles, comprising an injector sleeve which projects into a combustion chamber of a cylinder head and carries at least one elastomer sealing ring that seals the combustion chamber relative to the exterior, comprises a sealing ring which is arranged detachably on the injector sleeve and is seated on the injector sleeve with elastic deformation at least with force fit.. .
Kaco Gmbh + Co., Kg
04/23/15
20150108381
new patent

Electromagnetic valve apparatus with nonlinear spring


An electromagnetic valve apparatus with nonlinear springs for variable valve timing in an internal combustion engine. The apparatus includes a valve, floating spring assembly, translational cam, and motor.
Launchpoint Technologies, Inc.
04/23/15
20150108246
new patent

Fuel electro-injector for a fuel injection system for an internal combustion engine


A fuel electro-injector for a fuel injection system for an internal combustion engine, having an atomizer equipped with a nozzle and a valve needle defining a discharge section that is annular and has a width that continuously increases as the opening stroke of the valve needle proceeds. The opening stroke is directed outwards and is caused, in a proportional manner, by the operation of an electric actuator.
C.r.f. Societa' Consortile Per Azioni
04/23/15
20150107707
new patent

Mixing valve of an internal combustion engine


A mixing valve of an internal combustion engine of a motor vehicle includes: a flap arranged in a suction channel and a flap arranged in an exhaust gas channel. One single flap of the two flaps is drivable via a gear pair with non-round or eccentric gears.
04/23/15
20150107686
new patent

Oil pump for internal combustion engine, and relief pressure control oil pump


An oil pump includes a relief valve. The relief valve adjusts a pump discharge pressure depending on a differential pressure between the pump discharge pressure and a back pressure chamber pressure.
Hitachi Automotive Systems, Ltd.
04/23/15
20150107566
new patent

Exhaust gas recirculation device


An exhaust gas recirculation (egr) device includes an egr passage, a cooling medium circuit, an egr cooler, and an intercooler. A part of exhaust gas flowing through an exhaust passage of an internal combustion engine is recirculated as egr gas into an intake passage of the engine through the egr passage.
Denso Corporation
04/23/15
20150107564
new patent

Internal combustion engine, vehicle equipped with same, and control method therefor


A supercharger and a turbocharger are provided, as well as a load sensor detecting a traction load of a trailer towed by a semi-trailer and being arranged in a coupler. A combined supercharging and turbocharging is performed by the supercharger and the turbocharger when the traction load is heavier than a previously defined traction determination value.
Isuzu Motors Limited
04/23/15
20150107560
new patent

Plunger for an internal combustion engine fuel pump


A plunger of a fuel pump is disclosed. The plunger may have a cylindrical base configured for axial movement and rotation within a pump barrel.
Caterpillar Motoren Gmbh & Co. Kg
04/23/15
20150107559
new patent

Piston of an internal combustion engine


An engine block of an internal combustion engine is disclosed. The engine block may have a piston and at least one gas exchange valve.
Caterpillar Energy Solutions Gmbh
04/23/15
20150107557
new patent

Control device and control internal combustion engine


Provided is a control device for an internal combustion engine, which enables enlargement of an operation region in which homogenous-charge compression ignition combustion enabling the generation of nox to be suppressed and fuel efficiency to be improved can be performed. An ignition-timing control section (23) continuously and repeatedly controls an ignition timing to a retard side when a first combustion-state index reaches a predefined predetermined upper limit value of the first combustion-state index and controls the ignition timing to an advance side when a second combustion-state index reaches a predefined predetermined upper limit value of the second combustion-state index..
Mitsubishi Electric Corporation
04/23/15
20150107555
new patent

Method and device for controlling an internal combustion engine


A method for the rapid restarting of an internal combustion engine that is slowing down at a reduced supplied air volume, in which the supplied air volume is increased again following a detected restart request and an ignitable fuel/air mixture is produced by a fuel injection in an intake cylinder that is in the intake cycle when the supplied air volume is increased, and the mixture is ignited in the intake cylinder to produce a combustion in the power cycle of the intake cylinder.. .
Robert Bosch Gmbh
04/23/15
20150107550
new patent

Method for controlling and regulating an internal combustion engine according to the hcci combustion method


A method is proposed for controlling and regulating an internal combustion engine according to the hcci combustion method, in which a first fuel in a basic mixture is ignited using a pilot fuel, and in which the fuel quantities of the first fuel and the pilot fuel are changed to represent an operating point of the internal combustion engine. The invention is characterized in that a target combustion energy (ve(sl)) is calculated as a function of a power demand and, based on the target combustion energy (ve(sl)), the fuel quantity of the first fuel and the fuel quantity of the pilot fuel are determined using a distribution factor (chi), wherein the distribution factor (chi) is calculated as a function of an actual combustion position (vl(ist)) to a target combustion position (vl(sl)) using a combustion position controller (18)..
Mtu Friedrichshafen Gmbh
04/23/15
20150107547
new patent

Internal combustion engine and a operating an internal combustion engine


An internal combustion engine comprises an engine block defining a cylinder having a longitudinal axis a. A piston is arranged slidably within the cylinder and an impeller is arranged at one end of the cylinder.
04/23/15
20150107544
new patent

Steel piston for an internal combustion engine and its production


A steel piston for an internal combustion engine may include a piston crown and a protective layer disposed on the piston crown. The protective layer may include an adhesion layer of cr or crn, which is present on a surface of the piston crown.
Oerlikon Trading Ag, Truebbach
04/23/15
20150107543
new patent

Piston of an internal combustion engine


A piston for an internal combustion engine is disclosed. The piston may have a piston skirt with a centre axis.
Caterpillar Energy Solutions Gmbh
04/23/15
20150107540
new patent

Camshaft assembly


A camshaft assembly can control the motion of the intake or exhaust valves of an internal combustion engine and includes a base shaft extending along a longitudinal axis. The camshaft assembly further includes an axially movable structure mounted on the base shaft and axially movable relative to the base shaft.
Gm Global Technology Operations Llc
04/23/15
20150107538
new patent

Alcohol reforming system for internal combustion engine


An alcohol reforming system for an internal combustion engine includes a reformer in selective fluid communication with a fuel line via a reformer inlet line for receiving liquid fuel from the fuel line. The reformer reforms the alcohol in the alcohol-gasoline mixture of the fuel into a reformate mixture comprising hydrogen gas and gasoline.
Monsanto Technology Llc
04/23/15
20150107458
new patent

Particle filter


A particle filter (2) for filtering exhaust gas in an internal combustion engine includes a housing and a filter element. A simplified installation and/or simplified replacement of the filter element (5) and/or improved sealing of the housing (4) results if the filter element (5) is supported in an inner jacket (9), which is supported radially in an outer jacket (12) and is arranged so as to be axially movable in the outer jacket (12).
EberspÄcher Exhaust Technology Gmbh & Co. Kg
04/23/15
20150107346
new patent

Inter-cylinder air-fuel ratio variation abnormality detection apparatus


An apparatus includes an air-fuel ratio sensor installed in an exhaust passage common to a plurality of cylinders in a multicylinder internal combustion engine, and a control apparatus configured to detect an inter-cylinder air-fuel ratio variation abnormality based on a parameter correlated with a degree of variation in output from the air-fuel ratio sensor. The control apparatus is configured to calculate a division crank angle that bisects an area of a region present in at least one of a rich and a lean sides with respect to a mean value of an output waveform from the air-fuel ratio sensor during one cycle of the internal combustion engine or such a predetermined constant value as corresponds to a center of fluctuation in the output waveform and to identify an abnormal cylinder with a deviation of the air-fuel ratio based on the division crank angle..
Toyota Jidosha Kabushiki Kaisha
04/23/15
20150107345
new patent

Cooling device for internal combustion engine and failure diagnosis cooling device for internal combustion engine


An ecu sets a leakage flow rate flowing through a radiator circulation passage in a closed state of a thermostat valve, calculates an estimated temperature of coolant water in the radiator circulation passage based on a set leakage flow rate and a detected water temperature of an engine-side coolant water temperature sensor, and performs a failure diagnosis for the thermostat valve based on a difference between the calculated estimated temperature and the detected water temperature of the radiator-side coolant water temperature sensor. The leakage flow rate during operation of the electric pump is set to be a larger value as compared to the leakage flow rate during stopping of the pump.
Toyota Jidosha Kabushiki Kaisha
04/23/15
20150107344
new patent

Structure for retaining temperature sensing device and internal combustion engine provided with same


A cooling pipe for an internal combustion engine includes with a resin-made water outlet for forming a circulation path for circulating a coolant for cooling an engine body, and an attachment part for retaining a water temperature sensor for sensing the temperature of the coolant flowing through the water outlet, the attachment part being attached to the water outlet, a portion of the attachment part being in contact with the engine body, and the attachment part formed from a material whereby heat from the engine body is transmitted.. .
Aichi Machine Industry Co., Ltd.
04/23/15
20150107230
new patent

Exhaust gas purification an internal combustion engine


In an exhaust gas purification apparatus for an internal combustion engine which is provided with an nox catalyst arranged in an exhaust passage of the internal combustion engine, the present invention has for its problem to be solved to suppress an increase in exhaust emissions, which results from processing for raising the temperature of the nox catalyst, to a small level. In order to solve the above-mentioned problem, the exhaust gas purification apparatus for an internal combustion engine of the invention is constructed such that when an amount of increase in the nox removal rate becomes smaller with respect to an amount of rise in the temperature of the nox catalyst, the execution of temperature raising processing is deferred, and processing to make small the flow rate of exhaust gas discharged from the internal combustion engine and processing to make small the amount of smoke discharged from the internal combustion engine are executed..
Toyota Jidosha Kabushiki Kaisha
04/23/15
20150107226
new patent

Gasoline dithering for spark-ignited gaseous fuel internal combustion engine


An internal combustion engine system of the present application includes a spark-ignited internal combustion engine that is powered by a gaseous fuel. The engine system also includes an exhaust system that is in exhaust gas receiving communication with the internal combustion engine.
Cummins Ip, Inc.
04/23/15
20150107106
new patent

Method for producing a piston with a cooling duct


A method for producing a piston with a cooling duct for an internal combustion engine, wherein a piston blank is provided with a collar protruding beyond the outer diameter of the later formed piston, and is formed on the piston blank by forging, spin-bending or the like. To form the cooling duct, a radially peripheral recess is introduced into the piston blank by forging, spin-bending or the like.
Ks Kolbenschmidt Gmbh
04/16/15
20150105997

Method and device for monitoring a drive of a motor vehicle


A method for the safe operation of a drive of a motor vehicle, including rotational speed monitoring in which, if an actual rotational speed (n) of an internal combustion engine exceeds a predefinable lower rotational speed threshold (n_max_lower), a fault response action is carried out, the fault response action being selected as a function of whether additional predefinable conditions are present.. .
Robert Bosch Gmbh
04/16/15
20150105996

Viscosity detection using starter motor


Various methods for inferring oil viscosity and/or oil viscosity index in an internal combustion engine are provided. In one example, a new control method comprises cranking the engine during a start mode with an electric motor connected to a substantially constant source of electrical power, inferring engine oil viscosity based at least on engine oil temperature and speed of the engine while being cranked by the electric motor during the start mode, and correcting an operating parameter of the engine based on the inferred engine oil viscosity..
Ford Global Technologies, Llc
04/16/15
20150105995

Viscosity detection using sump


Various methods for inferring oil viscosity and/or oil viscosity index in an internal combustion engine are provided. In one aspect, a new control method comprises: after engine shutdown, learning engine oil viscosity based on time to drain the oil back into an engine sump and oil temperature during the draining, and correcting an engine operating parameter based on the learned oil viscosity..
Ford Global Technologies, Llc
04/16/15
20150105991

Method and controlling an internal combustion engine of a motor vehicle


A method for controlling an internal combustion engine of a motor vehicle includes detecting a driving situation of the motor vehicle and determining a setpoint torque (m2) based on the detected driving situation. An expected driving situation of the motor vehicle is ascertained and a torque reserve is determined based on the ascertained expected driving situation of the motor vehicle.
Dr. Ing.h.c. F. Porsche Aktiengesellschaft
04/16/15
20150105959

Vehicle stabilization for a hybrid vehicle in the event of brake slip of the drive wheels or increased risk thereof


A method and system are provided for vehicle stabilization of a hybrid vehicle in an event of brake slip of the drive wheels or an increased risk thereof. The method presupposes that the hybrid vehicle includes, between the internal combustion engine and the electric motor, a clutch by which the torque of the internal combustion engine can be decoupled from the drive wheels.
Bayerische Motoren Werke Aktiengesellschaft
04/16/15
20150105958

Method for controlling an internal combustion engine and an e-machine of an hybrid electrical vehicle


A method for controlling an internal combustion engine and an e-machine of a hybrid electrical vehicle. In this case, the control of the internal combustion engine takes place as a function of a current and an expected waste heat of an electrical drive of the hybrid electrical vehicle..
Robert Bosch Gmbh


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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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