|| List of recent Internal Combustion Engine-related patents
|Enhanced drivability for a hybrid vehicle in cold climate|
A diesel fuel control system is provided for a hybrid electric vehicle. The system may include a control unit and an ambient air temperature sensor connected to the control unit.
|Control system and control method for hybrid vehicle|
A control system and control method for a hybrid vehicle, which is capable of suppressing fuel consumption, thereby making it possible to improve fuel economy, when the hybrid vehicle is caused to travel using motive power of at least one of an electric motor and an internal combustion engine is provided. The control system for the hybrid vehicle v, for controlling operations of the engine and the electric motor includes an ecu.
|Dosing system for a liquid reducing agent|
Proposed is a dosing module for injecting liquid urea-water solution into the exhaust tract of an internal combustion engine, which dosing module is composed of two pumps, specifically a delivery pump (5) and an aeration pump (15). This permits firstly the injection of urea-water solutions and secondly safe and reliable ventilation of the system when the internal combustion engine is to be shut down..
|Turbocharger flow control|
A method for controlling a turbocharger is provided. The turbocharger has a turbine operatively connected to an exhaust of an internal combustion engine, and a compressor operatively connected to an intake of the engine.
|Ignition coil for internal combustion engine|
An ignition coil includes a primary coil, a secondary coil, a center core, a case, and a filler resin. A connection terminal is connected to a high-voltage-side winding end portion of the secondary coil.
|Cooling fan control apparatus and cooling fan control method for radiator|
An electronic control unit is used in an internal combustion engine capable of using a fuel in which ethanol is mixed with gasoline, the cooling fan control apparatus that controls the drive of an electric cooling fan provided in a radiator of the internal combustion engine. This controller performs the drive of the cooling fan after the internal combustion engine is stopped, when an alcohol concentration of the fuel is higher than a predetermined concentration, and that restricts the drive of the cooling fan after the internal combustion engine is stopped, when the alcohol concentration of the fuel is equal to or lower than the predetermined concentration..
|Heat exchanger arrangement in a housing|
A heat exchanger arrangement in a housing, such as an intake pipe of an internal combustion engine, has at least one stack including tubes and fins and an end plate having media connections, and wherein the stack is inserted into the housing and is fastened therein. A connecting block which contains the media connections and/or at least one profiled rail is arranged on the end plate.
|Apparatus and method for manufacturing a turbocharger component|
A method of manufacturing a turbocharger component for an internal combustion engine is disclosed. The method may include introducing a material into a mold, wherein the material includes at least one added alloying element.
|Control valve unit for a liquid circuit|
A control valve unit for a liquid circuit of an internal combustion engine, includes a valve housing (1) having at least one inlet opening (2) or outlet opening (2′) and at least two outlet openings (31, 32, 33) or inlet openings (31′, 32′, 33′) and at least two closing elements (41, 42, 43) actuated by a control device (22). The closing elements selectively open or close an associated outlet or inlet opening.
|System and method for storing crankcase gases to improve engine air-fuel control|
A system and method for improving processing of gases contained within the crankcase of an internal combustion engine is presented. The system is especially suited for single boiling point fuels because it allows the storage of such fuels until the fuel can be opportunistically combusted..
|Ventilation control apparatus for internal combustion engine|
A ventilation control apparatus for a supercharged internal combustion engine that can perform crankcase ventilation favorably. A system includes a supercharging system, an egr mechanism, and a blow-by gas reflux mechanism.
|Fresh air system|
A fresh air system for supplying combustion chambers of an internal combustion engine with fresh air may include a housing through which a fresh air path is routed. The fresh air system may include a charge air cooler arranged in the fresh air path.
|Control unit of internal combustion engine equipped with supercharger|
According to the present invention, torque controllability may be improved in a situation in which there is a gap between a required torque and a current torque based on a supercharge delay of a supercharger when calculation of a target throttle divergence using an air reverse model is applied to a supercharged internal combustion engine. Although the control unit of the present invention usually determines the required torque as a target torque, the control unit determines a value lower than the current torque when a reduction direction change occurs in the required torque while there is the gap between the required torque and the current torque.
|Method for operating a fuel delivery device|
The disclosure relates to a method for operating a fuel delivery device of an internal combustion engine, in which method an electromagnetic actuating device of a volume control valve is switched such as to set a delivery volume, wherein a control of the electromagnetic actuating device for moving an armature of the electromagnetic actuating device from a first position to a second position comprises at least three phases, wherein in a first phase a coil of the electromagnetic actuating device is permanently connected to a voltage, and wherein in a second phase the coil is periodically connected to the voltage with a first frequency and with a first duty factor, and wherein in a third phase the coil is periodically connected to the voltage with a second frequency and with a second duty factor.. .
|System and method for acquiring pressure data from a fuel accumulator of an internal combustion engine|
A system and method for measuring fuel pressure decreases in a fuel accumulator caused by a fuel injector of an internal combustion engine is provided. The system includes the ability to stop a fuel flow to a fuel accumulator of the engine.
|System and method for adapting to a variable fuel delivery cutout delay in a fuel system of an internal combustion engine|
A system and method for is provided to determine a fuel flow cutout delay between transmitting a signal to stop a fuel flow to a fuel accumulator of a fuel system and the actual stop of fuel flow to the fuel accumulator. The fuel flow cutout delay is used to determine when pressure data from a sensor associated with the fuel accumulator is unaffected by fuel flow to the fuel accumulator..
|Injection valve for internal combustion engines|
An injection valve is indicated for internal combustion engines, having a sealing seat formed by a valve seat and a closing head of a valve needle, and having a plurality of spray holes situated downstream from the sealing seat. The spray holes, which are stepped in cross-section, each have at least one upstream hole inlet section having a very small hole cross-section and a hole inlet opening, and a downstream hole outlet section having a very large hole cross-section and a hole outlet opening.
|Leakage diagnosis apparatus for evaporated-gas purge system|
A leakage diagnosis apparatus is applied to an evaporated-gas purge system including a negative-pressure sensor and a pressure detecting portion. The negative-pressure sensor introduces a negative pressure into an evaporation system.
|Method for operating at least one precombustion chamber-fired internal combustion engine|
The invention relates to a method for operating at least one precombustion chamber-fired internal combustion engine, in particular a stationary gas otto cycle engine, having a pilot chamber and a main combustion chamber associated with the precombustion chamber, wherein a gas mixture is fed to the precombustion chamber as flushing gas, wherein a synthesis gas generated in a fuel reformer and a fuel from a fuel source are fed to the flushing gas and wherein a fuel and at least one further substance stream are fed to the fuel reformer for the reforming process, wherein at least one operating parameter of the at least one internal combustion engine is monitored, wherein in accordance with a change in the at least one operating parameter the chemical composition of the flushing gas is modified by changing the mass stream of the at least one further substance stream.. .
|Rotary internal combustion engine with variable volumetric compression ratio|
A method and apparatus for controlling an air input in a rotary engine, including selectively controlling a plurality of inlet ports communicating with an internal combustion cavity of the engine, the ports located serially downstream of the exhaust port relative direction of a revolution of a rotor of the engine. The inlet ports are controlled to alter air intake at various engine operational stages, such as start up, idle, etc., to allow for varying operational requirements to be met.
|Ignition device for spark-ignition internal combustion engine|
It is configured such that plasma generated at a time of ignition should diffuse over an entire combustion chamber in a spark ignition type internal combustion engine in order to improve fuel efficiency. An ignition device for a spark ignition type internal combustion engine is provided including an ignition plug and a transmission antenna provided in the vicinity of the ignition plug and adapted to transmit an electromagnetic wave to a combustion chamber.
|Spark ignition internal combustion engine|
An spark ignition type internal combustion engine allows the spark discharge by the ignition plug to react with the electric field created in the combustion chamber and generates the plasma, thereby igniting the fuel air mixture to reduce the emission of the unburned fuel and to improve fuel efficiency of the internal combustion engine in a spark ignition type internal combustion engine that allows an electric field created in a combustion chamber to react with a spark discharge by an ignition plug and generates plasma, thereby igniting fuel air mixture. The engine includes an electromagnetic wave emission device that emits an electromagnetic wave in the combustion chamber when the fuel air mixture is combusted, and a protruding member protruding from a partitioning surface that partitions the combustion chamber.
|Valve drive train device|
In a valve drive train device for an internal combustion engine of a motor vehicle including at least one cam element which is mounted in a rotationally and axially displaceable manner and is provided for actuating at least one gas exchange valve, and at least one gate element which has at least one switch gate for valve lift switching, the switch gate being provided for converting a rotational movement of the cam element into an axial displacement movement of the cam element, a support element is connected to the cam element in a rotationally fixed manner and has at least one limiting structure for limiting the axial displacement movement of the cam element and the gate element is mounted in a rotationally fixed manner but is axially movable for the valve lift switching,. .
|Hydraulic valve for an internal combustion engine|
A hydraulic valve for use with a lockable cam phaser. The hydraulic valve is configured to limit the flow of pressure medium to both the advance and retard chambers, while allowing a locking pin of the cam phaser to drain.
|Valve timing control system for internal combustion engine|
A valve timing control system for an internal combustion engine, comprises: an electric intake valve timing control apparatus to vary an intake valve timing with torque produced by an electric motor with electric power supplied through a power supply mechanism; and an electric exhaust valve timing control apparatus to vary an exhaust valve timing with torque produced by an electric motor with electric power supplied through a power supply mechanism. A heat generating portion in the power supply mechanism of the intake valve timing control apparatus is made of a heat resisting material whereas a heat generating portion in the power supply mechanism of the exhaust valve timing control apparatus is made of a material lower in heat resistance than the heat resisting material of the intake valve timing control apparatus..
|Antifreeze concentrate with corrosion protection and aqueous coolant composition produced therefrom|
Antifreeze concentrate with corrosion protection which is suitable for coolants and heat transfer fluids and comprises freezing point-lowering liquids and also particular sulfur-comprising organic compounds, inorganic molybdate salts, inorganic phosphate salts and aliphatic, cycloaliphatic or aromatic monocarboxylic, dicarboxylic or tricarboxylic acids as corrosion inhibitors. Aqueous coolant compositions which are suitable for cooling an internal combustion engine whose cooling apparatus has been made of aluminum using a soldering process using a fluoroaluminate flux can be obtained therefrom..
|Apparatus for detecting cylinder air-fuel ratio imbalance abnormality of multi-cylinder internal combustion engine|
Provided is an apparatus for detecting cylinder air-fuel ratio imbalance abnormality. The apparatus is provided with an abnormality detecting unit that detects a cylinder air-fuel ratio imbalance abnormality by comparing a value of a parameter correlated with a degree of fluctuation in the air-fuel ratio sensor output to an abnormality threshold value, and a correcting unit that corrects at least one of the value of the parameter or the abnormality threshold value on the basis of atmospheric pressure.
|Engine with exhaust gas recirculation system and variable geometry turbocharger|
An engine assembly includes an intake assembly, an internal combustion engine defining a plurality of cylinders and configured to combust a fuel and produce exhaust gas, and an exhaust assembly in fluid communication with a first subset of the plurality of cylinders. Each of the plurality of cylinders are provided in fluid communication with the intake assembly.
|Internal combustion engine with selective catalytic converter for the reduction of nitrogen oxides and method for operating an internal combustion engine of said type|
An internal combustion engine comprising a turbocharger wherein a bypass line in an exhaust gas discharge system delivers an aqueous urea reductant to an at least one scr catalyst and a method to maintain the reductant at a desired temperature to maximize its conversion to ammonia and optimize the reduction of nox in the scr.. .
|Internal combustion engine coupled turbocharger with an infinitely variable transmission|
A turbocharger for use with an internal combustion engine is provided. The turbocharger comprises a differential device having a carrier portion, a compressor portion, and a turbine portion.
|Method and device for measuring the concentration of soot particles in an exhaust gas, in particular from an internal combustion engine|
Generate a turbulent flow and reduce the speed of the gas stream downstream from the planar probe so as to select soot particles as a function of their size.. .
|Control apparatus and control method for internal combustion engine|
A control apparatus and a control method for an internal combustion engine in a vehicle in which a battery and the internal combustion engine are mounted estimate a temperature of the internal combustion engine based on battery voltage. The control apparatus estimates water temperature tws, at the time of starting up the internal combustion engine, based on battery voltage vb before starting the startup of the internal combustion engine or minimum value vbmin of battery voltage vb during cranking.
|Control apparatus for hybrid vehicle|
A control apparatus for a hybrid vehicle includes a torque determining device for determining respective divided torques outputted from a first electric motor and a second electric motor on the basis of total torque required for driving of a hybrid vehicle; a torque correcting device for correcting the respective divided torques of the first electric motor and the second electric motor such that pulsation torque of an internal combustion engine on a drive shaft is canceled by the respective divided torques outputted from the first electric motor and the second electric motor and such that the respective divided torques of the first electric motor and the second electric motor are directed opposite to each other with respect to the drive shaft; and a controlling device for controlling each of the first electric motor and the second electric motor so as to output respective one of the corrected divided torques.. .
|Determination of a degree of aging of an oxidizing catalytic converter|
A method for determining a degree of aging of an oxidizing catalytic converter in an exhaust system of an internal combustion engine is provided. The method comprises generating a temporary increase in carbon monoxide levels in an exhaust gas stream, monitoring subsequent oxidizing action and determining a degree of aging of the oxidizing catalytic converter as a function of the measured oxidizing action.
|Slide component and method for production of cladding on a substrate|
A slide component, used in internal combustion engines, provided with a metal-based substrate material and a protective liner (r), with the slide component having at least two main elements, the first one composed by an element with high resistance to corrosion, and the second element providing increase of the resistance to wear and/or presenting lower friction than the substrate material, both of them covering at least one of the surfaces of the slide component.. .
|Axial turbine with sector-divided turbine housing|
A statorless or nozzleless axial turbine for a turbocharger has an axial turbine wheel that receives a swirling flow of exhaust gas substantially in an axial direction. The turbine includes a sector-divided turbine housing defining a plurality of separate exhaust gas inlets each for receiving a separate exhaust gas stream from an internal combustion engine, the sector-divided turbine housing further defining a plurality of separate angular sector passageways each of which occupies a fractional part of a circumference surrounding the turbine wheel, each angular sector passageway being supplied with exhaust gas by a respective one of the plurality of exhaust gas inlets.
|Increasing the number of cylinders in an internal combustion engine in a virtual fashion|
A device to generate an engine noise and a method to generate the engine noise at a time period between two directly successive ignition events of an internal combustion engine wherein the engine noise increases the number of cylinders of the internal combustion engine in a virtual fashion.. .