|| List of recent Internal Combustion Engine-related patents
| Vehicle and control method of vehicle|
A vehicle includes an internal combustion engine, an air-fuel ratio sensor provided in an exhaust passage of the internal combustion engine, and a controller. The controller is configured to diagnose a responsiveness of the air-fuel ratio sensor on the basis of an output voltage of the air-fuel ratio sensor in a predefined period.
| Vehicle control apparatus|
A vehicle is equipped with an auxiliary that is driven by the output of an internal combustion engine and which is capable of obtaining drive force by transmitting the output of the internal combustion engine to driving wheels. If an air conditioning compressor is being driven during engine idling of the internal combustion engine, an electronic control apparatus implements output-increase control for increasing the output of the internal combustion engine in comparison to when the air conditioning compressor is not being driven.
| Method for diagnosing a supercharging system of internal combustion engines|
A method for diagnosing a forced induction system is described, in which by measured data acquisition the frequency spectrum generated upon rotation of the forced induction system is acquired, and by measured data evaluation the acquired frequency spectrum is evaluated using frequency analysis. A frequency characteristic of the forced induction system, ascertained by frequency analysis, for at least one predefined operating point of the forced induction system is compared with a predefined vehicle-specific frequency characteristic of the forced induction system for the at least one predefined operating point..
| Lubricating composition containing a dispersant|
The invention provides a lubricating composition containing a lubricating composition comprising an oil of lubricating viscosity and a quaternised polyester salt. The invention further relates to a method of lubricating a mechanical device (such as an internal combustion engine) with the lubricating composition.
| Stabilized blends containing antioxidants|
The present invention relates to functional fluid compositions containing antioxidants, and specifically stable compositions containing antioxidants with limited solubility in and/or limited compatibility with the functional fluids with which they are used. In particular the present invention deals with functional fluids used in internal combustion engines, such as engine oils, and antioxidants containing a phenolic or benzoic group, where the antioxidant is present in the functional fluid composition at levels that would otherwise cause the composition to be unstable and/or hazy..
| System and method for improved vehicle response during vehicle acceleration conditions|
A vehicle control method for a vehicle having an internal combustion engine coupled to a torque converter is described. In one embodiment, the engine air flow and spark are adjusted to control torque converter operation.
| Drive system and method for controlling drive system|
Provided are a drive system and a method for controlling the drive system which reduce a shock to a third shaft at the start of an internal combustion engine during ev driving. The drive system includes an engine, a first shaft connected to a crankshaft, a second shaft, a first clutch, a motor generator, a third shaft, a first transmission, a one-way clutch, and an ecu for controlling a gear ratio of the first transmission and the first clutch.
| Method for performing a boost operation of a hybrid vehicle|
A method for carrying out a boosting mode of a drive unit (3), having at least one internal combustion engine (1) and at least one electric machine (2), of a vehicle (10), in which, in order to prepare the boosting mode, the internal combustion engine (1) is adjusted to an operating state with an increased acceleration potential, and in order to charge an energy accumulator (4) the electric machine (2) is adjusted to a generator mode. When a power demand which is increased compared to the current operating state of the drive unit (3) is present, the charging process is interrupted and at the same time the electric machine (2) is activated in order to increase the driving power of the drive unit (3), wherein the increased acceleration potential which is kept in reserve by the internal combustion engine (1) is utilized..
| Hybrid propulsion systems for vehicles and transmissions for propulsion systems|
Hybrid propulsion systems are provided which include an internal combustion engine, an electric machine, a primary shaft adapted to receive the rotary motion from the electric machine, a secondary shaft, a differential for transmitting the rotary motion to the wheels of an axle of the vehicle, a first transmission mechanism interposed between the primary shaft and the secondary shaft for transmitting the rotary motion between the primary shaft and the secondary shaft, a second transmission mechanism interposed between the secondary shaft and the differential for transmitting the rotary motion between the secondary shaft and the differential, and an overrunning clutch associated to the secondary shaft, whereby the secondary shaft receives the rotary motion from the internal combustion engine via the overrunning clutch.. .
| Exhaust purification system of internal combustion engine|
A method for purifying exhaust gas of an internal combustion engine, including chemically reducing nox that is contained in the exhaust gas when a concentration of hydrocarbons flowing into an exhaust purification catalyst is made to vibrate within a predetermined range of amplitude and within a predetermined range of period, wherein, during the chemical reduction, the nox contained in the exhaust gas is reacted with reformed hydrocarbons to produce a reducing intermediate containing nitrogen and hydrocarbons, a reducing action of the reducing intermediate chemically reduces the nox, and the nox is chemically reduced without storing nitrates or with storing a fine amount of the nitrates in a basic layer of the exhaust purification catalyst.. .
| Exhaust gas aftertreatment system and method for exhaust gas aftertreatment|
An exhaust gas aftertreatment system for an internal combustion engine, particularly for a ship's diesel engine operated with heavy oil, has a scr catalyst that uses ammonia as reductant. A nozzle is positioned upstream of the scr catalyst viewed in flow direction of the exhaust gas.
| Motor-vehicle fan wheel with reinforced shroud|
A fan of a motor vehicle is particularly suited as a main fan of an internal combustion engine. The fan has a fan wheel with an outer ring which has a substantially l-shaped ring cross section.
| Loudspeaker with improved thermal load capacity|
The present invention further relates to the use of such a loudspeaker for actively extinguishing or influencing sound waves, and a noise control system (100) for exhaust systems of a vehicle powered by an internal combustion engine with such a loudspeaker (1; 1′, 1″).. .
| Cooling apparatus for internal combustion engine|
A cooling apparatus for an internal combustion engine includes a fan that cools a coolant by operating at least at a first drive voltage and a second drive voltage higher than the first drive voltage; and a control unit that drives the fan at the first drive voltage when a vehicle is driven at a low vehicle speed that is a vehicle speed lower than a vehicle speed threshold and a coolant temperature is higher than a fan low-voltage activation threshold.. .
| Cogeneration apparatus|
In a cogeneration apparatus having a power generation unit equipped with a power generator, an internal combustion engine, and a hot water tank connected to the engine through a heat exchanger, there are provided a first pump provided at a flow channel connecting the engine to the heat exchanger and a second pump provided at a second flow channel connecting the heat exchanger to the hot water tank. A temperature of the engine cooling water heated by the engine and a temperature difference between the temperature and a temperature of the engine cooling water cooled by the heat exchanger is determined and based on the determined values, flow rates of the first and second pumps are controlled..
| Ignition coil for internal combustion engine|
An ignition coil for an internal combustion engine is equipped with an assembly of a connector casing and a coil body. The coil body includes a primary winding wound around a primary spool.
| Control apparatus for internal combustion engine|
A twin entry type turbo supercharger (18) is provided. A first exhaust passage (14a) through which first exhaust gas exhausted from a first cylinder group (#2 and #3) and a second exhaust passage (14b) through which second exhaust gas exhausted from a second cylinder group (#1 and #4) are provided.
| Valve and filter assembly for a regeneration system|
A regeneration system includes a housing defining an exhaust flow path. An inlet of the housing is configured to receive an exhaust flow from the internal combustion engine and an outlet of the housing is configured to direct the exhaust flow toward an exhaust aftertreatment component.
| Turbocharging apparatuses and vehicles using the same|
There is provided a turbocharging apparatus and vehicles using the same. The turbocharging apparatus comprises a wind collecting device, a first turbine and a second turbine.
| Intake system for an internal combustion engine|
An air intake system for delivering induction air to a cylinder head of an internal combustion engine, including an intake plenum assembly mounted to an intake manifold, wherein the intake manifold is mounted to the cylinder head and an airflow cooler module mounted to the intake plenum. The air intake system also includes a throttle body and heat exchanger disposed in the airflow cooler module between an induction air inlet of the airflow cooler module and the intake plenum, wherein an induction air flow path extends from the induction air inlet, through the heat exchanger and the intake plenum to the cylinder head of the internal combustion engine..
| Fuel vapor recovery apparatus|
A fuel vapor recovery apparatus to be mounted on a vehicle having a fuel tank has an adsorbent canister capable of adsorbing and desorbing fuel vapor vaporized in the fuel tank, a vapor path providing communication between the fuel tank and the adsorbent canister, a purge path providing communication between the adsorbent canister and an intake path of an internal combustion engine, a purge valve configured to open and close the purge path, a blocking valve configured to open and close the vapor path and having a valve body, and a regulator for controlling the purge valve and the blocking valve. The fuel tank is sealed when the blocking valve is closed.
| Opposed piston engine with non-collinear axes of translation|
An opposed piston internal combustion engine can include two opposed pistons (104, 110) moving reciprocally along respective axes of translation (202, 204) that are not collinear. First and second cylinder bores (502, 504) can be inclined to each other at an included angle (a).
| Fuel pump assembly|
A high-pressure fuel pump assembly for use in an internal combustion engine is disclosed. The fuel pump assembly comprises a pumping plunger for pressurising fuel within a pump chamber during a plunger pumping stroke, and being slidably received in a plunger bore; a rider member co-operable with a drive; and an interface member for imparting drive from the rider member to the pumping plunger to perform the plunger pumping stroke, the interface member having an interface side co-operable with the rider member).
| Ignition timing control apparatus for an internal combustion engine|
The present invention is provided with: an injection timing detection unit; an engine rotation speed detection unit; an engine load detection unit; and a storing unit for storing control data of the variation in optimal ignition timing with respect to engine speed and engine load, and control data of correction coefficient pertaining to optimal ignition timing with respect to the engine load at a specific fuel injection timing. Referring to the control data, the variation in the optimal ignition timing is determined based on the detected fuel injection timing and the detected engine rotation speed; and, referring to the control data, the variation in the optimal ignition timing is determined based on the specific fuel injection timing and the detected engine speed, and the deviation between the respective variation in the optimal injection timing is determined..
| Method for starting an internal combustion engine|
The invention relates to a method for starting an internal combustion engine (1), particularly a stationary gas engine, which is driven by at least one starter motor (2). The starting process is interrupted once the starter motor (2) has been started if the angular acceleration (a) of the internal combustion engine (1) remains below a predefinable acceleration value and/or if, within a predefinable first time period (ta), the actual rotational speed (n) remains below a predefinable first rotational speed threshold value (na) and/or if, within a predefinable second time period, the average rotational speed of the internal combustion engine (1) remains below a predefinable second rotational speed threshold value.
| Multi-cylinder internal combustion engine using exhaust gases to increase cylinder filling|
Multi-cylinder internal combustion engine using exhaust gases to increase cylinder filling comprises cylinders (10) with pistons (2), a head (1) with lifting valves (7) and a crankshaft mechanism (3) and is provided with two cylinders (10) with mutually shifted four-stroke cycle and/or is provided with three cylinders (10) with mutually shifted four-stroke cycle and in the head (1) of each cylinder (10) there is at least one intake port (5) interconnected with at least one exhaust port (6) and at least one lifting valve (7), while the intake port (5) is provided with at least one valve (8) and an exhaust branch (9) is connected to the exhaust port (6) and simultaneously exhaust branches (9) of two cylinders (10) with mutually shifted cycle are farther joined in a joint (11) into one cross-section and/or exhaust branches (9) of three cylinders (10) with mutually shifted cycle are farther joined in another joint into one cross-section.. .
| Internal combustion engine which can be operated with liquid and with gaseous fuel and a method for operating an internal combustion engine of this kind|
The application describes a system for an engine comprising a direct injection nozzle for injecting gaseous fuel into a cylinder of an engine in a second operating mode; an intake injection nozzle for injecting liquid fuel into an intake port of the engine in a first operating mode; and a valve gear suitable to adjust timing of opening and closing of an inlet valve. Preferential injection of a gaseous fuel such as compressed natural gas directly into the cylinder increases efficiency and allows for reduced heat exposure to the lesser used liquid gas injectors mounted in the intake port, reducing coking of these injectors..
| Rotary energy converter with retractable barrier|
A rotary internal combustion engine includes an outer housing and an inner housing defining an enclosure therebetween, and first and second side housings disposed on opposite sides of the outer housing. At least one of the outer and inner housings is rotatable relative to the other and at least two barriers are disposed in the enclosure and divide the enclosure into a combustion chamber and an exhaust chamber.
| Cylinder liner and structural unit consisting of at least one cylinder liner and a crankcase|
The invention relates to a cylinder liner (30, 130) for a cylinder crankcase (11, 12; 111, 112) of an internal combustion engine, characterized in that at least a portion of the outer peripheral surface (34, 134) of the cylinder liner (30, 130) is surrounded by a sleeve (35, 235) that is produced of a metal material. The present invention further relates to a structural unit (10, 110) that consists of at least one such cylinder liner (30, 130) and a cylinder crankcase (11, 12; 111, 112)..
| Cylinder with multiple transfer ports for an internal combustion engine|
A cylinder comprises a cylinder axis, a cylindrical wall, and an exhaust port defined in the wall. At least one central transfer port and at least two side transfer ports are defined in the wall.
| Drive system for a vehicle|
A drive system for a vehicle comprises an internal combustion engine switchable between operating modes of different performance capability, and a torsional vibration damping arrangement that comprises a primary side preferably coupled to a crankshaft and a secondary side rotatable with respect to the primary side against the action of a damper element arrangement. The damper element arrangement has a stiffness which increases as the load torque to be transmitted increases, and the primary side and the secondary side are in a limiting relative rotational position with respect to one another during transmission of a maximum torque which can be delivered in an operating mode with lower performance capability at a maximum torque rotational speed, and the damper element arrangement provides a limiting stiffness in the limiting relative rotational position such that a natural frequency of the torsional vibration damping arrangement is below the maximum torque speed..
| Active air control|
An air-balanced engine assembly is configured to operate efficiently while producing a reduced level of harmful emissions. The engine assembly includes a two-stroke internal combustion engine with multiple power cylinders and intake and exhaust manifolds that fluidly communicate with the cylinders.
| Valve drive arrangement for actuating gas exchange valves of an internal combustion engine|
A valve drive arrangement for actuating gas exchange valves of an internal combustion engine having a camshaft, on which first and second cam carriers are arranged on first and second contact regions in a non-positive and/or positively locking manner, the first cam carrier having at least one cam for actuating a gas exchange valve and the second cam carrier having at least one cam for actuating an ancillary unit, the first contact region being configured with regard to the geometric dimensions differently in relation to the second contact region in such a way that the second cam carrier can be mounted, without being impeded by the contact regions for the first cam carrier.. .
| Sliding cam arrangement for variable actuating gas exchange valves of an internal combustion engine|
A sliding cam arrangement for the variable actuation of gas exchange valves of an internal combustion engine, having a camshaft which has toothing regions with an external toothing, wherein the toothing regions mesh in each case with an internal toothing of a cam carrier, wherein the ratio of base circle radius r2 of the cam carrier to tip circle radius r1 of the toothing of the camshaft satisfies the following criteria: r2/r1<1.55.. .
| Internal combustion engine and method for operating an internal combustion engine|
An internal combustion engine has a working cylinder with two intake valves and two exhaust valves assigned thereto. A first camshaft and a second camshaft each actuate a respective one of the intake valves and a respective one of the exhaust valves.
| Internal combustion engine valve drive device for a motor vehicle|
In an internal combustion engine valve drive device having at least one switch gate for valve lift switching by converting a rotation of at least a first and a second cam element into an axial movement by first and second actuators provided for axially displacing the first cam element and the second cam element in a first switching direction via an operative connection of the first actuator with the switch gate and the second actuator provided for axially displacing the second cam element in the same switching direction via an operative connection with the switch gate, the device including a control unit controlling the axial displacement of the first and second cam elements in the same switching direction under the control unit by actuating the first and second actuators at the same time.. .
| Valve timing control apparatus for internal combustion engine|
A valve timing control apparatus includes: a first passage which is formed in the vane rotor, which extends in the radial direction at a position apart from the first lock member and the second lock member in the circumferential direction, which includes an opening portion located in an outer end portion of the first passage, and which receives a hydraulic pressure different from a hydraulic pressure within the advance angle hydraulic chambers and a hydraulic pressure within the retard angle hydraulic chambers; a second passage which is connected to the first passage and hydraulic pressure receiving portions of the first lock member and the second lock member; and a seal member which is press-fit in the opening portion of the outer end portion of the first passage.. .
| Internal combustion engine enhancement device and method|
A device that injects hydrogen gas into an engine's air intake or intake manifold that is demand controlled by the vehicle's throttle linkage in an approximately linear manner. When the throttle is depressed, hydrogen generation can start or increase, and when the throttle is released, hydrogen generation can stop of decrease.
| Method for removal of co2 from exhaust gas using facilitated transport membranes and steam sweeping|
The invention relates to methods for separating co2 from mixed gases. A stream of mixed gases passes one side of a facilitated transport membrane, while a sweep fluid, such as steam, passes the other side of the membrane, removing the co2.
| Drive train of a motor vehicle having an internal combustion engine and a starter generator|
A drive train (1) of a motor vehicle has an internal combustion engine (2) with a crankshaft (6). A transmission (3) is connected downstream of the internal combustion engine (2) to drive at least one axle (5) of the motor vehicle.
| Device for sensing a pressure, particularly a pressure in a combustion chamber of an internal combustion engine|
A device for sensing a pressure, particularly in a combustion chamber of an internal combustion engine. The device has a housing and an adapter element, secured in the housing, for accommodating a sensor module.
| Turbo-engine, particularly internal combustion engine|
The invention is directed to a turbo-engine, particularly internal combustion engine, comprising a housing and therein a bladeless turbine section (30; 42; 67) of the stacked disc- or tesla-type construction, wherein the turbine section (30; 42; 67) has a plurality of closely spaced discs (32; 49; 61) arranged for common rotation about a rotation axis in the housing, said turbine section (30; 42; 67) is adapted for passing with tangential flow components a working fluid stream from a radially inner region to a radially outer region of said turbine section (30; 42; 67) while adopting energy from said working fluid stream for rotating the discs (30; 49; 61). Preferably, the turbo-engine further comprises a compressor section (40; 66) of the stacked disc- or tesla-type construction having a plurality of closely spaced discs (45; 61) arranged for common rotation about said rotation axis and a combustion zone (41; 64), wherein said compressor section (40; 66) being arranged coaxially with—and radially inwardly of the turbine section (30; 42; 67) with the combustion zone (41; 64) provided radially between the compressor section and the turbine section..
| Multi-propulsion, multi-fuel marine power system|
A marine propulsion and power supply for maritime vessels that includes an arrangement of modules that can be internal combustion engines, regenerative electric motors, engine generators, turbine generators and/or battery banks. These components can be arranged in such a way as to work together to increase efficiency and to utilize various fuel combinations to achieve the lowest overall operating cost or other goals whilst minimizing harmful emissions.
| Carrier housing for a turbocharger arrangement|
A carrier housing is provided for a turbocharger arrangement to be fastened at an internal combustion engine comprising a fastening area for a mechanical fastening of the carrier housing at an internal combustion engine and with a first fastening flange for a mechanically fastening of a turbine of a high-pressure turbocharger at a carrier housing, a second fastening flange for the mechanical fastening of a turbine of a first low-pressure turbocharger at the carrier housing, and with a third fastening flange for a mechanical fastening of a turbine of a second low-pressure turbocharger at the carrier housing. The carrier housing is configured such that the first, second, and third fastening flange are part of an exhaust guidance formed by the carrier housing, whereby exhaust can be guided to the turbine of the high-pressure turbocharger via the first fastening flange, to the turbine of the first low-pressure turbocharger via the second fastening flange, and to the turbine of the second low-pressure turbocharger via the third fastening flange when the turbines of the turbochargers are fastened at the fastening flanges.
| Exhaust gas system with hc adsorber and parallel catalytic converter, and vehicle comprising such an exhaust gas system|
The invention relates to an exhaust gas system (10) for an internal combustion engine (12), having an exhaust gas path which includes at least in sections two parallel exhaust gas lines (34, 36), namely a main line (34) and an auxiliary line (36), an adsorber (46) for reversible sorption of unburnt hydrocarbons (hc) and/or nitrogen oxides (nox) being situated in the auxiliary line (36); having an adjusting means (48) for selectively guiding an exhaust gas flow into the main line (34) and/or into the auxiliary line (36) and having a main catalytic converter (44) situated downstream from the parallel exhaust gas lines (33, 36). An exhaust gas flow-conducting, gas-permeable element (58) is provided upstream from the adsorber (46), which separates the auxiliary line (36) from the remaining exhaust gas flow-conducting areas.
| Exhaust system with line element|
A flexible line element (14), for an exhaust system (4) of an internal combustion engine (1), especially of a motor vehicle, includes a metal bellows (15), which is corrugated in a ring-shaped or helical pattern and through which an exhaust gas stream (8) can flow. The risk of deposition of urea and/or urea derivatives in the metal bellows (15) is reduced by a conical flow guide body (16), through which the exhaust gas stream (8) can flow, and which tapers in the direction of flow of the exhaust gas stream and which protrudes into an inlet area (17) of the metal bellows (15).
| Combustion driven ammonia generation strategies for passive ammonia scr system|
A method for controlling ammonia generation in an exhaust gas feedstream output from an internal combustion engine equipped with an exhaust aftertreatment system including a first aftertreatment device includes executing an ammonia generation cycle to generate ammonia on the first aftertreatment device. A desired air-fuel ratio output from the engine and entering the exhaust aftertreatment system conducive for generating ammonia on the first aftertreatment device is determined.
| Nh3 emissions management in a nox reduction system|
A system includes an internal combustion engine producing an exhaust gas, an aftertreatment system receiving the exhaust gas, the aftertreatment system including a particulate filter positioned upstream of an scr catalyst component, and a urea injector operatively coupled to the aftertreatment system at a position upstream of the scr catalyst component. The system further includes a controller that interprets an exhaust temperature value, an ambient temperature value, and a urea injection amount.
| Regeneration method and motor vehicle|
A regeneration method (10) for regenerating an adsorber (19), connected downstream of an internal combustion engine (13), of a motor vehicle (11) with a hybrid drive train is described. The internal combustion engine (13) is operated in a phase of rich combustion for regeneration of the adsorber (19).