|| List of recent Internal Combustion Engine-related patents
|Control system for internal combustion engine|
An object of the invention is to provide a technology pertaining to a control system for an internal combustion engine using cng to allow an internal combustion engine to operate appropriately even when properties of cng change. To achieve the object, in the control system for an internal combustion engine using compressed natural gas according to the invention, when air-fuel ratio feedback control that corrects the fuel injection quantity in such a way as to make the air-fuel ratio of the air-fuel mixture burned in the internal combustion engine substantially equal to a target air-fuel ratio, a control parameter relating to a condition of combustion of the air-fuel mixture is corrected based on the magnitude of the correction value in the air-fuel ratio feedback control..
|Control apparatus for internal combustion engine|
It is an object of this invention to restrain blow-by gas from reaching a catalyst during fuel cutoff, and protect the catalyst while coping with an increase in oil dilution amount resulting from the use of alcohol fuel, in an internal combustion engine that uses the alcohol fuel. An engine is equipped with a pcv mechanism that introduces blow-by gas in a crankcase into an intake system.
|Enhanced engine performance with fuel temperature control|
Methods and systems for utilizing heated fuel to compensate for a low cetane number, cetane number variance and sub-optimal engine cold-start performance in internal combustion engines are disclosed herein. Systems comprise a heater, a sensor, and an engine control unit (“ecu”).
|Hybrid drive device|
A hybrid drive device having an input member drivingly coupled to an internal combustion engine. Control is performed so that motor torque output by the motor produces at least a part of inertia torque needed for rotation change of input-related members during the shifting.
|Hybrid vehicle and method for controlling hybrid vehicle|
Provided are a hybrid vehicle and control method thereof. The hybrid vehicle has a power storage device, an internal combustion engine, a power generation device, an input device and an electronic control unit.
|Ashless-friction modifiers for lubricating compositions|
The invention provides a lubricating composition containing an oil of lubricating viscosity and an ashless ketone compound with at least one of a hydroxy group and an ether linkage attached to the carbon atom adjacent to the carbonyl carbon of the ketone, especially α-hydroxyketone. The invention further relates to methods of lubricating an internal combustion engine by supplying the described lubricating composition to the internal combustion engine.
|Gas analysis apparatus|
In order to completely decompose remaining urea contained in exhaust gas emitted from an internal combustion engine to make it possible to accurately measure an amount of the remaining urea, as well as preventing measurement accuracy and reliability from being damaged by some cause such as the attachment of powdery urea on a sensor, a gas analysis apparatus is provided with a filter part that is provided between a sampling port and a produced substance measuring mechanism in a mixed gas sampling pipe to collect urea in a solid state or in a state of being dissolved in water in mixed gas.. .
|Housing of a radial compressor|
Exemplary embodiments of the present disclosure are directed to a 2-stage supercharging unit having a housing unit which integrates within it a high-pressure charger and a low-pressure charger. The rotor axes of the two chargers are vertical with respect to the housing unit, which can be screwed directly via the housing base to the side of an internal combustion engine.
|Split cage for a bearing|
A split rolling element guide for a bearing assembly for a balance shaft of an internal combustion engine, having two axial support faces and a plurality of axial cross members defining rolling element pockets. A plurality of radial cutouts at each pocket increase flexibility of the cage and allow for greater opening of the cage at the split portion.
|Vehicle mobile microgrid|
The vehicle mobile microgrid is a vehicle on-board electrical grid dedicated to supplying all supplemental electrical needs for the vehicle utilizing recovered energy from internal combustion engine heat, vehicle motion and auxiliary electrical power generator, chemical and mechanical storage systems and electrical power from incident light energy. Unlike electrical grids that serve wide population areas, the vehicle on-board electrical grid is not meant to serve electrical demand beyond that utilized by the vehicle.
|Valve for dosing a flowing medium|
A valve for metering a flowing, e.g. Gaseous or liquid, medium, in particular a fuel injection valve for internal combustion engines, is described, which valve comprises a valve housing having an inflow for the medium, a valve body having a metering opening for the medium, a join present between the valve housing and valve body, and a seal sealing the join.
|Method for operating a hybrid vehicle|
A method is provided for operating a hybrid vehicle. The hybrid vehicle has an internal combustion engine and a first electric machine, to which a common input shaft of a transmission is assigned, for driving a first axle of the hybrid vehicle.
|Hybrid vehicle with internal combustion engine and electric machine|
A hybrid vehicle (1) has an internal combustion engine (2), an electric machine (3) and a transmission (4) for driving a rear axle (5) of the vehicle (1). The internal combustion engine (2) and the electric machine (3) are assigned a common input shaft (6) of the transmission (4).
|Tree trimming apparatus with safety boom|
An airborne tree trimming apparatus for installation on a helicopter or the like is described. The apparatus is designed to prevent arcing from power lines and includes a saw assembly having a housing that is at least partially non-conductive; an internal combustion engine operatively connected to the saw assembly; a boom extension having a lower end connected to the engine, and an upper end attachable to the helicopter, at least a part of the boom extension being non-conductive; and a safety cable extending through the boom extension, at least a part of the cable being non-conductive..
|Supercharged internal combustion engine and method for operating an internal combustion engine of said type|
A method and system is provided to heat and cool the charge air in an intake system via a compressor coolant duct to reduce condensate formation on the one hand respectively increase charge air cooling on the other hand. Potential heat sources for the low temperature circuit do include the high temperature engine cooling circuit as well as exhaust gas.
|Venting system for a fuel tank|
A venting system for a fuel tank includes a sorption filter for temporarily storing fuel evaporating from the fuel tank and a delivery device arranged between the sorption filter and an air supply system of an internal combustion engine in a fluid-conducting manner. The internal combustion engine is a turbocharged engine with a turbocharger unit and a throttling device in the air supply system.
|Method for diagnosing a tank ventilation system|
In an internal combustion engine having a turbocharger and a compressor, a discharge point of a tank ventilation system is provided in the intake passage of the internal combustion engine upstream from the turbocharger or the compressor. A venturi nozzle is situated between the discharge point and a tank venting valve of the tank ventilation system.
|Methods for low temperature combustion and engines using the same|
This invention discloses a method for low temperature combustion using at least two fuels with low and high boiling points being directly injected into engine combustion chamber separately and sequentially with two different spray patterns, wherein the low boiling point fuel can be quickly vaporized to form a low temperature zone for containing fuel jet combustion of high boiling point fuels. An internal combustion engine using the disclosed low temperature combustion method is also provided..
|System and method for estimating the richness of the gaseous mixture in the combustion chamber of an internal combustion engine of a motor vehicle power plant|
A system for estimating richness of a gaseous mixture in a combustion chamber of an internal combustion engine of a motor vehicle power plant, including a mechanism injecting an additional combustible gas into a fresh air intake circuit of the engine, a mechanism measuring concentrations of the additional gas in the fresh air intake circuit and in an engine exhaust gas circuit respectively, a mechanism determining a ratio between the measured concentration of the additional gas in the intake circuit and the measured concentration of the additional gas in the exhaust circuit, and a mechanism estimating the richness of the gaseous mixture in the combustion chamber of the engine from the determined ratio.. .
|Fuel injection control device for internal combustion engine|
A fuel injection control device includes a fuel injection control unit and a pump control unit. The fuel injection control unit controls a fuel injection amount of a fuel injection valve.
|Fuel delivery system|
A fuel delivery system for a direct injection internal combustion engine having two fuel rails and a plurality of fuel injectors attached to and fluidly connected with each fuel rail. A first fuel pump has its output connected with the first fuel rail while a second fuel pump has its output connected with the second fuel rail.
|Method and apparatus for supplying a gaseous fuel to an internal combustion engine|
An apparatus and method for supplying gaseous fuel from a tender car to an internal combustion engine on a locomotive comprising storing the gaseous fuel at a cryogenic temperature in a cryogenic storage tank on the tender car; pumping the gaseous fuel to a first pressure from the cryogenic storage tank; vaporizing the gaseous fuel at the first pressure; and conveying the vaporized gaseous fuel to the internal combustion engine; whereby a pressure of the vaporized gaseous fuel is within a range between 310 bar and 575 bar.. .
|Internal combustion engine|
A main nozzle (38) of a carburetor (10) communicates with a metering chamber (26) through a first fuel feeding passage (44) originally included in the carburetor and a first additional fuel feeding passage (46). The first additional fuel feeding passage (46) includes a flow rate adjusting valve (48).
|Method for operating an internal combustion engine|
An internal combustion engine includes a cylinder and a piston journalled to reciprocate therein. The cylinder and piston conjointly delimit a combustion chamber into which a spark plug projects.
|Engine control system|
An engine control system controls an internal combustion engine so that some of a plurality of cylinders in a multi-cylinder internal combustion engine are made to rest and reduced-cylinder operation takes place. Each cylinder comprises a piston, an intake valve and an exhaust valve.
|Device for controlling an internal combustion engine|
A device for controlling an internal combustion engine in a motor vehicle having an uneven running ascertaining unit and an injection quantity correction unit, in which one group of cylinders being associated with a lambda sensor, in which the uneven running ascertaining unit determines the uneven running of a cylinder and compares it with a predefinable threshold value. If the ascertained uneven running exceeds the predefinable threshold value, the injection quantity correction unit adjusts the injection quantity of the cylinder in the rich direction and adjusts the injection quantities of the other cylinders of the group, so that on the whole a predefinable lambda value of the group, which may be a lambda value of 1, is achieved, and a lambda deviation is determinable for each individual cylinder in an adaption unit..
|Control apparatus for general-purpose internal combustion engine|
In a control apparatus for a general-purpose internal combustion engine including a generator as a power supply, the generator includes a main generator coil supplying power to the stepping motor, and an auxiliary generator coil supplying power to an ignition device of the engine. The apparatus includes ignition timing controller for, when starting the engine by a manual starter, detecting that an engine speed reaches or exceeds a predetermined engine speed not exceeding a connecting rotation speed of a centrifugal clutch to retard an ignition timing of the engine, thereby suppressing increase in the engine speed to less than the connecting rotation speed, and for restoring the ignition timing to its normal timing after a predetermined time elapses from start of retarding the ignition timing.
|Bearing frame or cylinder head cover of an internal combustion engine|
A bearing frame or cylinder head cover of an internal combustion engine may include at least one camshaft mounted therein. The camshaft may be tunnel-mounted in at least two bearing openings arranged along a bearing channel.
|Piston made using additive manufacturing techniques|
A monobloc piston body for an internal combustion engine is provided. The piston body includes a first piece which includes a pair of skirt portions and a pair of pin bosses and a second piece which includes a crown portion with an upper combustion surface and an at least partially enclosed oil gallery.
|Internal combustion engine including starting system powered by lithium-ion battery|
An internal combustion engine includes an engine block including a cylinder, a piston positioned within the cylinder, a crankshaft configured to be driven by the piston, a fuel system for supplying an air-fuel mixture to the cylinder, and an electric starting system including a starter motor, a battery receiver, and a lithium-ion battery removably attached to the battery receiver, wherein the lithium-ion battery is configured to power the starter motor to start the engine.. .
|Push button starting system for outdoor power equipment|
A starting system for outdoor power equipment that has a controller and a start button to control the activation of an internal combustion engine. The starting system includes a controller that receives a start signal from a start button.
|Spark plug for internal combustion engines and mounting structure for the spark plug|
A spark plug is provided, which includes a housing, an insulation porcelain, a center electrode, a main ground electrode, a first sub ground electrode and a second sub ground electrode. The first and second sub ground electrode are arranged being opposed to each other.
|Plasma header gasket and system|
A plasma header gasket for use with an internal combustion engine includes electrodes disposed around the perimeter of apertures in the gasket corresponding to piston cylinders in the engine. The electrodes produce a plasma spark in time with the engine to increase the efficiency of combustion.
|Internal combustion engine|
To reduce the amount of exhausted unburned fuel and further improve fuel efficiency of an internal combustion engine 10 provided with an ignition device 12 that ignites fuel air mixture more forcefully than a spark discharge in a combustion chamber 20. The internal combustion engine 10 includes an internal combustion engine main body 11 formed with the combustion chamber 20 and the ignition device 12 that ignites the fuel air mixture more forcefully than the spark discharge in the combustion chamber 20.
|Method for estimating the angular position of a crankshaft for accelerating the starting of an internal combustion engine|
|Device for delivering compressed air for pneumatically operated equipment in motor vehicles|
A device for delivering compressed air for pneumatically operated equipment in motor vehicles, in particular of brake systems in commercial vehicles, whereby compressed air can be tapped via a controllable valve from the combustion chamber of at least one cylinder of an internal combustion engine, includes a valve arranged outside the combustion chamber and connected to the combustion chamber, in particular via a connecting passage which opens into the combustion chamber.. .
|Closure lid with a pressure-controlled or temperature-controlled directional control valve for an expansion tank and cooling system of an internal combustion engine|
A closure lid for an expansion tank of a cooling system of an internal combustion engine has integrated therein a directional control valve that decouples the expansion tank from the cooling circuit by pressure control or temperature control and integrates the expansion tank again into the cooling circuit after the internal combustion engine has reached its operating temperature.. .