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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


Balloon catheter apparatus for internal combustion engine component leak detection and  high pressure leak detection

Redline Detection

Balloon catheter apparatus for internal combustion engine component leak detection and high pressure leak detection

Hybrid drive train for a motor vehicle

Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer & Cie Kg

Hybrid drive train for a motor vehicle

Hybrid drive train for a motor vehicle

Robert Bosch

Holder for fastening a component on an internal combustion engine, a bearing bush for such a holder, and a fuel…

Date/App# patent app List of recent Internal Combustion Engine-related patents
06/25/15
20150181687
 Antenna structure and internal combustion engine patent thumbnailAntenna structure and internal combustion engine
The antenna structure has a high frequency wave transmission line that transmits a high frequency wave and an emission antenna part for emitting the high frequency wave supplied via the high frequency wave transmission line. The emission antenna part includes a metal antenna having a rod-like shape and a ceramic layer that covers at least a part of the metal antenna..
Imagineering, Inc.
06/25/15
20150177092
 Balloon catheter  internal combustion engine component leak detection and  high pressure leak detection patent thumbnailBalloon catheter internal combustion engine component leak detection and high pressure leak detection
An inflatable, balloon-type catheter apparatus which is conformable to fit most all intake and exhaust systems to delivery pressure (with or without smoke) to test the fluid integrity of the fluid system. The device is configured to be inserted into the canal of the intake or exhaust system and inflated to seal off the fluid system.
Redline Detection, Llc
06/25/15
20150176682
 Hybrid drive train for a motor vehicle patent thumbnailHybrid drive train for a motor vehicle
Hybrid drive train for a motor vehicle, comprising an internal combustion engine, an electric machine and a dual clutch transmission. The transmission has a dual clutch arrangement and a spur gear transmission arrangement with two part-transmissions.
Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg
06/25/15
20150176672
 Holder for fastening a component on an internal combustion engine, a bearing bush for such a holder, and a fuel injection system patent thumbnailHolder for fastening a component on an internal combustion engine, a bearing bush for such a holder, and a fuel injection system
A bearing bush is for a holder, which is for fastening a component, particularly of a fuel distributor, to an add-on structure. The bearing bush has an inner bush part, which is made of a metallic material, and an outer bush part, which is made of a metallic material, and an elastically deformable damping element.
Robert Bosch Gmbh
06/25/15
20150176557
 Torque transmission mechanism patent thumbnailTorque transmission mechanism
A torque transmission mechanism, for a starter for an internal combustion engine, is adapted to transmit a starting torque from a starter motor to a crankshaft. The torque transmission mechanism comprises a ring gear that transmits the starting torque and a one-way clutch disposed between the ring gear and the crankshaft, this ring gear comprising a gear side portion to which the starting torque is transmitted from the starter motor via gear mesh, and a flange extending between the gear side portion and an inner ring of the one-way clutch.
Aktiebolaget Skf
06/25/15
20150176555
 Flow control system patent thumbnailFlow control system
A flow control system for a fuel injector for an internal combustion engine is provided and includes an inlet port, an outlet, a return port, a 2-way control valve including a control valve member, a shuttle valve and a main valve. The control valve includes a first seat, a first resilient arrangement configured to force the control valve member towards the seat so as to close the control valve, and a first abutment that limits the lift of the control valve member away from the first seat.
Volvo Lastvagnar Ab
06/25/15
20150176554
 Controlled nozzle injection method and apparatus patent thumbnailControlled nozzle injection method and apparatus
A nozzle injection apparatus for use in internal combustion engines includes a fuel pump for intermittently pressurizing fuel, an injection conduit in fluid communication with the fuel pump, the injection conduit permitting the pressurized fuel to be communicated to a fuel injection nozzle a control valve in fluid communication with the nozzle, wherein the control valve dynamically and selectively controls a pressure of said pressurized fuel within the injection conduit.. .
Governors America Corp.
06/25/15
20150176548
 Mixing valve for an internal combustion engine of a motor vehicle patent thumbnailMixing valve for an internal combustion engine of a motor vehicle
In a mixing valve for an internal combustion engine of a motor vehicle, the distance between pivot axes of two flaps is smaller than the diameter of the largest flap. The flaps are also connected to a single drive device.
Continental Automotive Gmbh
06/25/15
20150176524
 Piston for an internal combustion engine patent thumbnailPiston for an internal combustion engine
The present invention relates to a piston (10, 110) for an internal combustion engine having a piston head (13, 113) and a piston skirt (14, 114), the piston (10, 110) comprising a piston base (11, 111) and a piston ring element (12, 112). The invention is characterized in that the piston base (11, 111) has a combustion recess (21, 121) which is radially offset and/or tilted relative to the center axis (m) of the piston (10, 110), a portion (19a) of a piston crown and the piston skirt (14, 114), in that the piston ring element (12, 112) has a portion (19b) of a piston crown, a circumferential fire land (22, 122) and a circumferential ring section (23, 123) with ring grooves, in that the piston base (11, 111) and the piston ring element (12, 112) form a circumferential cooling channel (24, 124) that extends between an outer lateral surface (25, 125) in the region of the combustion recess (21, 121) and an inner lateral surface (26, 126) in the region of the ring section (23, 123), in that the piston base (11, 111) and the piston ring element (12, 112) have a circumferential seam (28, 128) in the region of the piston crown (19a, 19b), via which they are non-detachably connected to one another..
Mahle International Gmbh
06/25/15
20150176523
 Method for producing a piston patent thumbnailMethod for producing a piston
The invention relates to a method for producing a piston (1) for an internal combustion engine, characterised by the following method steps: producing an upper piston part (2) and a lower piston part (3) having one or more recesses (4, 4′) for forming a closed cavity (5); introducing a heat transfer medium (6), in particular one or more alkali metals, that is solid or paste-like at ambient temperature and liquid at the intended operating temperature of the piston, into the recesses (4, 4′) of the lower piston part (3) and/or of the upper piston part (2), wherein the heat transfer medium (6) is provided in order, during the operative state of the piston (1), to effect heat transport within the piston (1) by convection; closing the recesses to form the closed cavity (5) which encloses the heat transfer medium (6); and connecting the upper piston part (2) to the lower piston part (3). This enables the piston (1) to be produced in a simplified manner..
Mahle International Gmbh
06/25/15
20150176522

Piston for internal combustion engines


A piston of an internal combustion engine, includes a piston upper part and a piston lower part which are supported via corresponding joining webs, in each case forming a joining zone connected in a material-to-material manner by means of a multi-orbital rotary friction weld. The joining webs and which are in each case directly connected have a wall thickness s1, s2 which is identical as far as possible.
Ks Kolbenschmidt Gmbh
06/25/15
20150176521

Method and cooling a cylinder head


A water jacket for a cylinder head of an internal combustion engine includes a coolant chamber arranged to permit the flow of coolant within the water jacket and a coolant conduit positioned to permit the flow of coolant proximate to a recess for receiving an exhaust valve mounted to the cylinder head. The coolant conduit is in fluid communication with the coolant chamber, and the coolant conduit is shaped as a complex curve.
Ricardo Uk Limited
06/25/15
20150176520

Spark plug


A spark plug may include a shell surrounding a lower part of an insulator. The shell may be provided with a tool engaging portion, a seal face configured to contact a corresponding seal of a cylinder head of an internal combustion engine, a cylinder engaging threaded portion having a thread diameter (d) configured to screw the spark plug in a threaded bore of the cylinder head, and an intermediate portion extending between the shoulder and the cylinder engaging threaded portion.
Caterpillar Energy Solutions Gmbh
06/25/15
20150176518

Cylinder for application on an internal combustion engine


A cylinder for an internal combustion engine may include a metallic cylinder body and an amorphous diamond-like hard carbon film disposed on an internal peripheral surface of the cylinder body. The amorphous diamond-like carbon film may include a roughness ranging from rz 0.5 μm to rz 4.0 μm..
Mahle International Gmbh
06/25/15
20150176514

Exhaust gas control internal combustion engine


A three-way catalyst and an nox adsorption catalyst are disposed in an engine exhaust passage. In a predetermined low-load engine operation area, combustion in a combustion chamber is carried out at a lean base air-fuel ratio and an air-fuel ratio in the combustion chamber is changed to a rich range at the time of discharging nox from the nox adsorption catalyst.
Toyota Jidosha Kabushiki Kaisha
06/25/15
20150176513

Control of internal combustion engines in response to exhaust gas recirculation system conditions


A system includes an internal combustion engine having a number of cylinders, with at least one of the cylinder(s) being a primary egr cylinder that is dedicated to provided egr flow during at least some operating conditions. A controller is structured to control combustion conditions in the cylinders in response to one or more operating conditions associated with the engine..
Cummins Inc.
06/25/15
20150176511

Apparatus for controlling the learning of the air fuel ratio of an internal combustion engine


If an amount of fuel is not increased and a direct injection air-fuel ratio learning has not been completed, fuel injection from a port fuel injection valve is stopped without executing egr, fuel injection control is executed such that the fuel injection occurs only from an in-cylinder fuel injection valve, and the direct injection air-fuel ratio learning is executed. If the amount of the fuel is increased, the fuel injection from the port fuel injection valve is stopped without executing egr and air-fuel ratio feedback control, and an engine and an egr valve are controlled such that fuel injection occurs only from the in-cylinder fuel injection valve..
Toyota Jidosha Kabushiki Kaisha
06/25/15
20150176507

Actuator mounting structure for internal-combustion engine having variable compression ratio


An actuator mounting structure of a variable compression ratio internal combustion engine includes: a variable compression ratio mechanism arranged to vary an engine compression ratio in accordance with a rotational position of a control shaft; an actuator arranged to drivingly rotate the control shaft, the actuator being fixed on an actuator mounting portion provided to a side wall of a main body of the engine by using a plurality of fixing bolts, and a rigidity improvement section arranged to improve a mounting rigidity of the actuator to the actuator mounting portion, and which is provided within an inter-bolt distance between two bolts of the plurality of the fixing bolts, which are located on the both sides in a direction of a crank shaft.. .
Nissan Motor Co., Ltd.
06/25/15
20150176506

Internal combustion engine


An internal combustion engine equipped with: a cylinder block in the interior of which pistons are arranged; a cylinder head containing recessed parts; cylinder liners affixed to the surfaces of hole parts of the cylinder block; and a variable compression ratio mechanism that changes the mechanical compression ratio. The variable compression ratio mechanism is formed such that the size of the combustion chamber can be changed by moving the cylinder head relative to the cylinder block.
Toyota Jidosha Kabushiki Kaisha
06/25/15
20150176503

Integrated engine control apparatus and operating same


Engine control assemblies for use with internal combustion engines, engines having such assemblies, and methods for operating such engines and assemblies are disclosed. In one example embodiment of an engine control assembly encompassed herein, the assembly includes a lever structure configured to rotate to any of a plurality of positions ranging from a first position to a second position.
Kohler Co.
06/25/15
20150176483

Variable compression ratio device for internal combustion engine


A variable compression ratio device for an internal combustion engine includes: a connecting rod, having a small end and a large end, wherein a support hole formed at the small end is pivotally supported by a support shaft of a piston that reciprocates in a cylinder, and a support hole formed at the large end is pivotally supported by a support shaft of a crankshaft; an eccentric sleeve that is rotatably installed between the support hole of the small end or the support hole of the large end and the support shaft, and displaces a center axis of the support hole of the small end or a center axis of the support hole of the large end with respect to a center axis the support shaft; and an actuator that drives and rotates the eccentric sleeve.. .
Mitsubishi Jidosha Kogyo Kabushiki Kaisha
06/25/15
20150176476

System for charge air cooling and associated providing charge air cooling for an internal combustion engine


The invention relates to a system for charge air cooling for an internal combustion engine based on an engine family, wherein an intake module is arranged between a throttle valve and a combustion chamber. A first cooling device of the system is shaped to be structurally integrated into the intake module.
Behr Gmbh & Co. Kg
06/25/15
20150176472

Method of controlling temperature


A method of controlling the temperature of an engine of a vehicle, such as an internal combustion engine and/or the temperature of one or more auxiliary components of the vehicle, such as a cabin heater for the vehicle includes monitoring one or more parameters of the engine including the temperature of the engine. Optionally data relating to the temperature of the engine is feedback to a control unit.
Jaguar Land Rover Limited
06/25/15
20150176466

System for recycling exhaust heat from internal combustion engine


A system for recycling exhaust heat from an internal combustion engine is based on a recycling type of circulating a working fluid using the exhaust heat from the internal combustion engine. The system may include an egr line configured to circulate a portion of exhaust gas generated from the internal combustion engine to an intake side, a working fluid circulation line configured to rotate a turbine with a working fluid vaporized by heat transferred from the egr line, and an egr side heat exchange unit configured to thermally connect the egr line to the working fluid circulation line to cool an egr gas by transferring heat from the egr gas to the working fluid..
Hyundai Motor Company
06/25/15
20150176465

System of recycling exhaust heat from internal combustion engine


A system of recycling exhaust heat from an internal combustion engine may include a working fluid circulating line configured to rotate a turbine with a working fluid vaporized by heat received from an egr line of the internal combustion engine, an egr side heat exchanging unit configured to perform a heat exchange between an egr gas and the working fluid to thereby cool the egr gas and transfer heat from the egr gas to the working fluid, and a gas-liquid separator configured to be formed between the egr side heat exchanging unit and the turbine to thereby supply only a gas component of the working fluid to the turbine.. .
Hyundai Motor Company
06/25/15
20150176458

Method and system for purifying nox in internal combustion engine


In a method for purifying nox in an internal combustion engine, a catalyst of a nitrogen oxide purification device is regenerated by control of an air-fuel ratio (lean→rich) through one or more control of an engine fuel injection device (10-1), a throttle valve (10-2), and an egr valve (10-3) in an intermediate/high-load operating condition. On the other hand, a nitrogen oxide purification catalyst is regenerated through a chemical reaction between nitrogen oxides and hydrocarbon generated during the injection of fuel in a secondary fuel injection device in a low-load operating condition.
Hyundai Motor Company
06/25/15
20150176450

Method for operating an exhaust gas system of a motor vehicle, and exhaust gas system for an internal combustion engine of a motor vehicle


A method for operating an exhaust gas system of a motor vehicle involves performing regeneration of the particle filter as a function of at least one aging value characterizing an aging condition of the oxidation catalytic converter.. .
Daimler Ag
06/25/15
20150176446

Turbocharger lubricant coolant


A turbocharger for an internal combustion engine comprising a housing wherein the housing comprises one or more coolant passages for receiving a coolant to cool the turbocharger and one or more lubricant passages for receiving a lubricant to lubricate the bearings. The lubricant may be the lubricant for both the turbocharger bearings and the internal combustion engine.
Ford Global Technologies, Llc
06/25/15
20150176439

Method for operating an internal combustion engine with electrohydraulic valve control means


A method for operating an internal combustion engine (4) with an electrohydraulic valve train (1) for variable-lift drive of a gas exchange valve (3), including a camshaft (6) and a hydraulic system arranged in a drive path between the camshaft and the gas exchange valve, said hydraulic system being connected to a pressure medium supply (14) of the internal combustion engine, a first hydraulic piston (8) which is driven by a cam (5) of the camshaft and a second hydraulic piston (9) which drives the gas exchange valve in an opening direction, a variable-volume pressure chamber (10) which is delimited by the hydraulic piston and a control channel (12) which connects the pressure chamber to a pressure relief chamber (11), an electrically actuated hydraulic valve (15) which is arranged in the control channel and which, in an open position, permits a flow of hydraulic medium through the control channel and, in a closed position, blocks a flow of hydraulic medium through the control channel, and an electronic controller (16) for the actuation of the hydraulic valve as a function of operating parameters of the internal combustion engine. To improve the cold-start behavior of the internal combustion engine, it is provided that, during the starting phase, the hydraulic valve is closed and opened again at least once between two immediately successive lifts of the first hydraulic piston..
Schaeffler Technologies Gmbh & Co. Kg
06/25/15
20150176438

Cam follower for the valve gear of an internal combustion engine


For a cam follower for the valve drive of an internal combustion engine, including a housing in the form of a lever body (2) and a cam roller (6) arranged between two parallel lever walls (3, 4) of the housing (2), wherein the cam roller includes an outer ring (7) and an inner ring (8) arranged therein, and is mounted on a bolt (5) retained on the lever cheeks (3, 4), the invention proposes that inwards extending guidance sections (9, 10) are formed on the lever body (2) for the axial positioning of the outer ring (7) and for the guidance thereof in the circumferential direction.. .
Schaeffler Technologies Gmbh & Co. Kg
06/25/15
20150175930

Lubricating composition containing a dispersant


The invention provides a lubricating composition containing a compound comprising the reaction product of a polyolefin, an ethylenically unsaturated aromatic acylating agent (or carboxylic reactant), and an amine, and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine..
The Lubrizol Corporation
06/25/15
20150175927

Lubricant composition for internal combustion engine


A lubricating oil composition of the present invention for an internal combustion engine is prepared by blending (a) a perbasic calcium sulfonate and/or a perbasic calcium phenate having a tbn of 200 mgkoh/g or higher, (b) predetermined binuclear and/or trinuclear organic molybdenum compounds, and (c) a polyalkyl (meth)acrylate having an ssi of 30 or lower into a lubricating base oil composed of a mineral oil and/or a synthetic oil, in which the total content of molybdenum derived from the binuclear and trinuclear organic molybdenum compounds is 0.025% by mass or higher based on the total amount of the composition, and in which the lubricating oil composition has a high-temperature high-shear viscosity at 100° c. Of 4.0 to 5.0 mpa·s, a high-temperature high-shear viscosity at 150° c.
Idemitsu Kosan Co., Ltd.
06/25/15
20150175924

Method for improving engine fuel efficiency


A method for improving fuel efficiency and friction reduction properties, while maintaining or improving deposit control, in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition including a lubricating oil base stock as a major component, and a tungsten organic complex as a minor component.
Exxonmobil Research And Engineering Company
06/25/15
20150175923

Method for improving engine fuel efficiency


A method for improving fuel efficiency and reducing frictional properties while maintaining or improving deposit control, in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil. The formulated oil has a composition including a lubricating oil base stock as a major component, and a friction modifier mixture as a minor component.
Exxonmobil Research And Engineering Company
06/25/15
20150174997

Drive system, in particular for a self-propelled construction machine, in particular a soil compactor


A drive system, in particular for a self-propelled construction machine, in particular a soil compactor, comprising an internal combustion engine comprising a drive unit, at least one hydraulic circuit with a hydraulic pump that can be driven by the drive unit, as well as a hydraulic-drive support unit with a hydraulic pump/motor assembly and at least one pressure fluid reservoir, wherein the hydraulic pump/motor assembly is or can be drivingly coupled with the drive unit or/and at least one hydraulic circuit, wherein the hydraulic pump/motor assembly can be operated in a charging operating mode by the drive unit or/and at least one hydraulic circuit as a pump to charge at least one pressure fluid reservoir and be operated in an drive support operating mode as a motor to provide a drive support torque for the hydraulic pump of at least one hydraulic circuit, characterized in that the hydraulic pump/motor assembly can be operated in a recirculation operating mode as a motor to start the drive unit.. .
Hamm Ag
06/25/15
20150174986

Method from the thermal conditioning of an internal combustion engine and/or of a passenger compartment of a vehicle, and vehicle


Thermal conditioning of a combustion engine of a vehicle is achieved by means of a fluid circuit or a sub-circuit of the fluid circuit and/or the air flowing into a passenger compartment of the vehicle by means of a heat pump circuit. In at least one operational state of the vehicle, heat is transferred from the fluid circuit or the sub-circuit of the fluid circuit to the heat pump circuit..
Bayerische Motoren Werke Aktiengesellschaft
06/25/15
20150174679

Method for producing a piston for an internal combustion engine


In a method for producing a piston (10) for an internal combustion engine, a melt treatment is performed at least in regions in particular in the region of a combustion chamber depression (14), the depth of said melt treatment being varied in the circumferential direction.. .
Federal-mogul Nurnberg Gmbh
06/25/15
20150174668

Method and tool for roughening an inner surface of a cylindrical bore


A method for roughening an inner surface (8) of a cylindrical bore (9), in particular a running surface in a cylindrical bore or cylinder liner of an internal combustion engine. A rotating tool (1) is moved in a translatory manner in the axial direction of the cylindrical bore (9) and has a radial cutting head (7).
Daimler Ag
06/25/15
20150174529

Exhaust gas purification an internal combustion engine


A decrease in the nox removal or reduction rate is suppressed, while suppressing the outflow of particulate matter from a filter after regeneration of the filter. To this end, in an exhaust passage of an internal combustion engine, there are provided a filter, an nox storage reduction catalyst, and an nox selective reduction catalyst which is arranged at the downstream side of the nox storage reduction catalyst, wherein when a reducing agent is supplied to the nox storage reduction catalyst or the nox selective reduction catalyst, rich control in which an air fuel ratio of exhaust gas is controlled to a rich air fuel ratio is carried out, and the lowest value of the air fuel ratio of the exhaust gas, at the time of carrying out the rich control in a predetermined period of time from a point in time at which the regeneration of the filter has ended, is made higher than the lowest value or an average value of the air fuel ratio of the exhaust gas at the time of carrying out the rich control in a period of time from the lapse of the predetermined period of time until when the next regeneration of the filter is carried out..
Toyota Jidosha Kabushiki Kaisha


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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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