|| List of recent Internal Combustion Engine-related patents
|Method and device for operating an exhaust gas recirculation of a self-ignition internal combustion engine, in particular of a motor vehicle|
A method and a device for operating an exhaust gas recirculation of a self-ignition internal combustion engine, in particular of a motor vehicle, the internal combustion engine including an air system for controlling the air supply into at least one combustion chamber of the internal combustion engine, and it being provided in particular that a dynamic operating state of the internal combustion engine is detected and, in the event of a detected dynamic operating state, a corrective intervention in the air system of the internal combustion engine is carried out.. .
|Method for operating an internal combustion engine|
A method for operating an internal combustion engine having two or more cylinders to which fuel can be supplied via an injection valve, it being possible to carry out a measurement injection for a cylinder in order to determine and/or adapt a characteristic quantity of the injection valve, and all the cylinders being ignited in the course of an ignition cycle. To improve the operating characteristics, a measurement injection is carried out for those cylinders that are contained in a specifiable selected set selected from all the cylinders..
|Control device for internal combustion engine|
The present invention addresses a solution of improving precision with which requested torque at a time of a transient operation is realized in a control device for an internal combustion engine that controls torque that is generated by an internal combustion engine by control of an air amount by means of a throttle. To this end, the present control device calculates a target intake pipe pressure for realizing a target air amount, and calculates predicted pump loss from the target intake pipe pressure.
|Power generation system that prevents a generator from supplying power to a load|
A power generation system includes a generator that includes an alternator and an internal combustion engine configured to drive the alternator to generate power. The power generation system further includes a sensor that detects the presence of a fire condition and a controller that prevents the generator from supplying power when the sensor detects the fire condition..
|Lubricating oil composition|
A lubricating oil for an internal combustion engine is disclosed. The lubricating oil can provide reduced friction and can cope with environmental regulations requiring a high corrosion-preventing effect.
|Clamping device for a belt drive|
A clamping device (2) for a starter generator belt drive of an internal combustion engine. The clamping device includes a tensioner housing (8), a tensioning arm (17) mounted movably therein, and two idlers (6, 7), one of which is mounted to the tensioning arm and the other of which is mounted to the tensioner housing (8) in a stationary manner.
|Exhaust gas purification system and exhaust gas purification method|
An exhaust gas purification system which feeds hydrocarbon by a post-injection under preset conditions to an upstream side of an exhaust gas purification device positioned on the exhaust path of an internal combustion engine, restoring the purifying capacity of the device or purifying the exhaust gas of the device. Under hydrocarbon feed conditions, if a combination of the exhaust gas temperature and exhaust gas flowrate or intake flowrate during control is deemed to be in a misfire region in which hydrocarbon which is fed to the exhaust path no longer combusts in the exhaust gas purification unit, the feed of hydrocarbon is stopped.
|Injector for a system for feeding gas fuel to an internal combustion engine|
An injector for a system for feeding gas fuel to an internal combustion engine has an inlet mouth for the fuel into the injector, houses therein a shutter which is moveable between a closed position and an open position of an outlet mouth of the fuel from the injector, and is defined by an inlet body provided with the inlet mouth and a first actuating device to displace the shutter in an open position thereof and at least two interchangeable outlet modules, each of which is adapted to be releasably fixed to the inlet module, and is provided with a relative outlet mouth, a relative shutter, and a relative second actuating device to displace the shutter in a closed position thereof.. .
|System and method for reducing power train air resistance|
A vehicle system, comprising an internal combustion engine, a transmission enclosed within a transmission case coupled to a gaseous fuel source, the transmission case having an amount of gaseous fuel located therein. Housing the transmission in a case containing low density gaseous fuel reduces the power losses from air resistance and increases fuel efficiency..
|Cooling and control of a load bank used in a power generation system|
A power generation system that may include a generator having an alternator and an internal combustion engine configured to drive the alternator to generate power. The alternator may convert the mechanical energy created by the engine to electrical energy, such as alternating current.
|Crossover valve in double piston cycle engine|
An internal combustion engine, including a combustion chamber with a first aperture; a compression chamber with a second aperture; and a crossover valve comprising an internal chamber, first and second valve seats, a valve head, and first and second valve faces on the valve head, wherein the first aperture allows fluid communication between the combustion chamber and the internal chamber, the second aperture allows fluid communication between the compression chamber and the internal chamber, the first valve face couples to the first valve seat to occlude the first aperture, and the second valve face couples to the second valve seat to occlude the second aperture.. .
|Vehicle control apparatus and vehicle control method|
If the pressure in a supply passage drops at a speed greater than a first determination speed in a state in which a first mode for supplying gas fuel to an internal combustion engine is selected, a control apparatus inhibits selection of the first mode. Then, the control apparatus switches from the first mode to a second mode, in energy other than gas fuel is used.
|Method for learning a minimum actuation duration of fuel injectors of an internal combustion engine|
A method for learning and determining a minimum injector-specific electric actuation duration for at least one fuel injector of an internal combustion engine of a motor vehicle. Starting with a predefined electric actuation duration which definitely does not result in an injection, the electric actuation duration is gradually increased in each engine stop and/or in each engine start in successive engine stops and/or in successive engine starts of the internal combustion engine up to an actuation duration in which an injection with a combustion occurs, and then this actuation duration may be determined as the minimum electric actuation duration.
|Propulsion device and method for operating same using a partially oxidized diesel fuel|
A propulsion device for vehicles includes a device for the partial oxidation of fuel, a fuel tank and a diesel internal combustion engine. The device for the partial oxidation of fuel is in fluid connection with the fuel tank and the diesel internal combustion engine, with the result that at least some of the fuel carried in the vehicle is taken for partial oxidation before combustion in the diesel internal combustion engine.
|Control apparatus for internal combustion engine|
A control apparatus for an internal combustion engine having a throttle valve disposed in an intake passage of the engine is provided. A wide-open intake air amount, which is an intake air amount corresponding to a state where the throttle valve is fully opened, is calculated, and a theoretical intake air amount, which is an intake air amount corresponding to a state where no exhaust gas of the engine is recirculated to a combustion chamber of the engine, is calculated according to the wide-open intake air amount and the intake pressure.
|Fuel injector assembly and fuel injection system|
A fuel injector assembly is adapted to inject a compressed fuel into a combustion chamber of an internal combustion engine. The compressed fuel is stored in a fuel storage tank at a fuel storage pressure and delivered to the fuel injector assembly through a fuel supply line at a fuel supply pressure.
|Oil management system for an internal combustion engine, and a method for oil management of such an engine|
Disclosed is an oil management system for an internal combustion engine that includes a crankcase. The oil management system includes a first container for storage of a first quantity of oil and a second container for temporary storage of a predetermined second quantity of oil.
|Internal combustion engines and related methods|
In general, the disclosed apparatus is an internal combustion engine with a revolving gateway of fuel and exhaust ducts above the engine block. In operation, orifices in the fuel and exhaust ducts are interchangeably interfaced with an opening in a combustion chamber of the engine block during intake and exhaust strokes respectively of the combustion chamber's piston..
|Torque increase resonator|
A torque increase resonator includes: a plurality of resonance pipes that extend outward from an intake passage supplying air to an internal combustion engine; one resonance chamber that is formed so that end portions of extending portions of the plurality of resonance pipes are positioned in an internal space of the resonance chamber; and a valve that opens and closes an opening of the extending portion of at least one resonance pipe of the plurality of resonance pipes, wherein the intake passage and the resonance chamber communicate with each other through the plurality of resonance pipes, and the plurality of resonance pipes are close to each other, and are disposed on a downstream side of a throttle in a flow direction of air in the intake passage.. .
|Liquid fuel compositions|
Fuelling such liquid fuel composition in an internal combustion engine improves the fuel economy performance of an internal combustion engine.. .
|Methods to improve fuel combustion efficiency and lower exhaust pollution in spark ignited internal combustion engines|
Methods of using mixtures containing gasoline type fuels composed primarily of hydrocarbon volatiles falling in a c4-c10 range in a spark ignited internal combustion engine are described.. .
|Lost motion reciprocation splitter|
A driver that reciprocates has its reciprocation divided into a non-actuating portion and an actuating portion. The driver in one embodiment positions a carrier that has two pins, each pin being slidably mounted in its slot on a housing.
|Marking labels for drive chains|
A drive chain for an internal combustion engine, e.g. A timing chain, comprises a plurality of chain links, which each include at least one chain link plate and which are interconnected via a chain hinge.
|Torque transmission device|
A torque transmission device for starting an internal combustion engine using a permanently engaged starter motor for a start-stop system. An annular gear connected with the starter motor includes a bearing for decoupling the starter motor from the engine based upon the rotational speed difference between the internal combustion engine and the starter motor.
|Method for detecting detonation phenomena in an internal combustion engine|
A method for detecting the development of detonation phenomena in an internal combustion engine (1) which includes determining the variance (σi) of each combustion taken into account for a given cylinder (2) and in a given engine point as a function of the comparison between the detonation energy (μi) of each combustion taken into account and the self-learnt mean detonation energy (μi—m) for the given cylinder (2) and in the given engine point; calculating the maximum variance (σi—max) for a given cylinder (2) and in a given engine point with a reduction of the spark advance actuated in the given cylinder (2); and determining the development of detonation phenomena for each combustion taken into account as a function of the comparison between the maximum variance (σi—max) and the variance (σi) of each combustion taken into account for a given cylinder (2) and in a given engine point.. .
|Device for testing pressure sensors for internal combustion engines|
The invention relates to a device for testing pressure sensors for internal combustion engines, comprising a pressure chamber, which has an inlet opening, an outlet opening, and a test opening for receiving a pressure sensor to be tested, a valve for opening and closing the inlet opening, and a valve for opening and closing the outlet opening. The valve for opening and closing the inlet opening comprises a rotatably mounted roll as a closing element.
|Distributed combined cooling, heating and power generating apparatus and method with internal combustion engine by combining solar energy and alternative fuel|
The present invention provides a distributed combined cooling, heating and power generating apparatus with an internal combustion engine by combining solar energy and alternative fuel and a method thereof, the apparatus comprising: an energy storage system for combined reaction between solar energy and alternative fuel, a solar fuel internal combustion engine generating system, a lithium bromide refrigeration system for absorbing exhaust heat of flue gas of solar fuel, a reaction device for recovering exhaust heat of flue gas, a heat exchanger for recovering exhaust heat of exhaust gas and a cylinder jacket and water plate heat exchanger. According to the present invention, solar energy is combined with alternative fuel to achieve conversion of solar energy to fuel chemical energy, such that solar energy is stored in form of synthesis gas fuel and combined with the combined cooling, heating and power generating system, which possesses high energy storing intensity, includes small volume of storing device, and achieve the objects of cooling, heating and power combination in low cost and high efficiency, thereby effectively solving the problem of difficulty in storage, and high cost and low efficiency in usage..
|Spark ignition internal combustion engine having intake valves with variable actuation and delayed closure|
A spark-ignition supercharged internal-combustion gasoline engine is equipped with a system for variable actuation of the intake valves including a pressurized fluid chamber set between intake valve and a respective control cam, and an electrically actuated valve, the opening of which vents the pressure chamber so as to cause rapid closing of the valve, as a result of the respective elastic return means, even when the respective cam would tend to keep the valve open. The variable-valve-actuation system is used in combination with control cams of the intake valves shaped in such a way as to generate an intake valve lift profile including a boot portion with substantially constant lift.
|Control device for internal combustion engine|
An internal combustion engine control device that acquires the temperature of a catalyst disposed in an exhaust path, and detects an abnormal combustion that has occurred in a combustion chamber. The control device includes a gas control unit, which controls the amount of intake gas flowing into the combustion chamber and the temperature of exhaust gas flowing into the catalyst, and a fuel injection amount control unit, which controls the amount of fuel injected into the combustion chamber.
|Engine having integrated exhaust manifold with combined ducts for inside cylinders and outside cylinders|
An internal combustion engine has a cooling jacket at least partially integrated in the cylinder head. The engine has two groups of cylinders: inside cylinders and outside cylinders.
|Unit for recovering thermal energy from exhaust gas of an internal combustion engine|
A unit for recovering thermal energy from exhaust gas of an internal combustion engine including an inlet, an outlet, a heat exchanger arranged downstream of the inlet and upstream of the outlet, and a valve capable of being switched between a recovery position. The exhaust gas flows from the inlet through the heat exchanger to the outlet, and a bypass position, in which the exhaust gas flows from the inlet through a bypass to the outlet.
|Device and method for estimating ideal air-fuel ratio in internal combustion engine, method of estimating oxygen storage capacity of catalyst, internal combustion engine device and motorcycle incorporating internal combustion engine device|
A method of estimating an ideal air-fuel ratio in an internal combustion engine, comprises receiving an output of an upstream air-fuel ratio sensor and an output of a downstream air-fuel ratio sensor, the upstream air-fuel ratio sensor being attached to an exhaust gas passage such that it is positioned upstream of a catalyst provided in the exhaust gas passage to purify an exhaust gas, the downstream air-fuel ratio sensor being attached to the exhaust gas passage such that it is positioned downstream of the catalyst; detecting a state in which the catalyst does not store or release oxygen based on the output of the downstream air-fuel ratio sensor; and deciding as an estimated ideal air-fuel ratio in the internal combustion engine an air-fuel ratio detected by the upstream air-fuel ratio sensor when the state in which the catalyst does not store or release oxygen is detected.. .
|Method, apparatus, and system for optimizing exhaust backpressure of internal combustion engine|
A method for optimizing exhaust backpressure of an internal combustion engine, comprising the following steps: 1) arranging a damping component in an exhaust passage of the internal combustion engine, and allowing an exhaust discharged by the internal combustion engine to pass through the damping component; and 2) allowing the exhaust to be cooled prior to passing through the damping component, or allowing the exhaust to be cooled while passing through the damping component. The method allows for relatively high exhaust backpressure when the internal combustion engine has a low load, and for preventing the exhaust pressure from rising excessively rapid when the internal combustion engine has a heavy load.
|Power vehicle with adjustable velocity profiles|
Embodiments of the present invention relate to powered vehicles (e.g., lawn mowers) and, more particularly, to a control system for use with such a vehicle. In one embodiment, the vehicle includes a power source such as an internal combustion engine and one or more drive control levers incrementally movable between a neutral position and a maximum velocity position.
|Control device for vehicle drive device|
A control device that controls a vehicle drive device. A starting control section executes internal combustion engine starting control in which the internal combustion engine in a stationary state is started while causing the disconnecting engagement device to transition from a disengaged state to a direct engagement state.
|System and method of using rotational speed predictions for starter control|
A system and method of coupling a pinion of a starter to a crankshaft of an internal combustion engine, including: predicting a future trajectory of the drop of the rotational speed of the crankshaft based on information associated with the drop of the rotational speed of the crankshaft and determining a timing of the driving of the starter based on the future trajectory of the drop of the rotational speed of the internal combustion engine.. .
|Method for predicting a rotational speed of a crankshaft in an internal combustion engine|
Method for predicting a rotational speed (n) of a drive shaft (16) in an internal combustion engine (13), wherein a past rotational speed (n) of the drive shaft (16) is determined, characterised in that in order to determine a theoretical rotational speed (nt1, nt2) of the drive shaft (16) at a future point in time (tt1, tt2), the change in the rotational speed (n) between two past events (p01, p11; p02, p12) occurring at different times is used, one rotational speed (n01, n11; n02, n12) and one point in time (t01, t11; t02, t12) being assigned to each event, wherein one point in time (t01, t02) is an earlier point in time and the other is a later point in time (t02, t12), which therefore lies before the predicted point in time (tt1, tt2), wherein a gradient (m) is determined for a period between the two events (p01, p11; p02, p12) and is used as the basis for deducing a theoretical future rotational speed (nt1, nt2) at the future point in time (tt1, tt2), such that in order to determine the theoretical rotational speed (nt1, nt2) of the drive shaft (16) at the future point in time (tt1, tt2), the determined gradient (m) is used to determine the theoretical rotational speed (nt1, nt2) at the future point in time (tt1, tt2), on the basis of the later point in time (t02, t12), thus determining whether the theoretical rotational speed (nt1, nt2) actually occurred before the future point in time (tt1, tt2) or not until afterwards.. .
|Method for operating an internal combustion engine|
A method for operating an internal combustion engine, in which a most probable position angle is ascertained. The most probable position angle generally corresponds to a rotational position of the internal combustion engine.