Abstract: The separation efficiency of carbon dioxide is improved by making the temperature of exhaust gas further low. An exhaust gas purification apparatus for an internal combustion engine includes a first heat exchanger arranged in an exhaust passage of an internal combustion engine and configured to carry out heat exchange between outside air and exhaust gas of the internal combustion engine, a second heat exchanger arranged in the exhaust passage and configured to carry out heat exchange between a circulating heating medium and the exhaust gas, and a carbon dioxide separator arranged in the exhaust passage at the downstream side of the first heat exchanger and the second heat exchanger and configured to separate carbon dioxide from the exhaust gas.

Abstract: An engine peripheral structure includes an engine body mounted in an engine room, an intake system connected to the engine body, and a supercharger provided in the middle of the intake system. The intake system includes a low-pressure intake passage connected upstream in an intake direction of the supercharger, and a high-pressure intake passage connected downstream in the intake direction of the supercharger. The intake system has the high-pressure intake passage turned back at the supercharger with respect to the low-pressure intake passage, and has the low-pressure intake passage and the high-pressure intake passage extended on a left side surface of the engine body so as to be at least partly overlapped with each other in the up-down direction V.

Abstract: A method for controlling a fill level of an exhaust gas component store of a catalytic converter of an internal combustion engine, in which the fill level is controlled by using a system model, which includes a catalytic converter model, and uncertainties of measurement or model variables, which influence the control of the fill level, being corrected by an adaptation that is based on signals of an exhaust-gas probe situated on the output side of the catalytic converter. The method provides that an adaptation requirement is learned as a function of the operating point, the learned adaptation requirement is stored as a function of the operating point, and a distinction is made based on the operating point dependency between different causes of the uncertainties. Also described is a control unit to carry out the method.

Abstract: Systems, methods, and apparatuses for adaptive regeneration of aftertreatment system components. The system may include an aftertreatment system and a controller. The controller is configured to access one or more parameters indicative of an ambient condition, determine a regeneration type of a regeneration process for a component of the aftertreatment system, determine an application in condition, and modify a parameter for the regeneration process for the component of the aftertreatment system. In some instances, the controller initiates the regeneration process. In some instances, the one or more parameters include an ambient air temperature, a reductant tank temperature, or a particulate matter sensor temperature. In some instances, the modified parameter includes a target regeneration temperature, a regeneration duration, a dwell time between regeneration process, a threshold value for the regeneration process, or a minimum regeneration temperature.

Abstract: An actuator is configured to drive a boost pressure control valve of a supercharger. The actuator includes: an electric motor; an output shaft; and a speed reducer that is configured to transmit rotation, which is outputted from the electric motor, to the output shaft after reducing a speed of the rotation outputted from the electric motor. The speed reducer has a plurality of gears that include an output gear joined to the output shaft. The plurality of gears further includes a metal gear and a resin gear of a compound gear, which are respectively formed as a large diameter gear and a small diameter gear and are integrated together in one piece. The output gear is a resin gear.

Abstract: A turbocharger lubricating oil pressure regulator (10) having a lubricating oil inlet port (12) adapted to receive turbocharger lubricating oil and an outlet port (13) in fluid communication with the lubricating oil inlet port (12). The regulator (10) has a lubricating oil bypass port (14) in fluid communication with the oil inlet port (12) at one end and in fluid communication with a lubricating oil sump (3) at another. A valve (17) is biased in a closed configuration to block oil flow between the lubricating oil inlet port (12) and the bypass port (14) and movable toward an open configuration in response to a predetermined lubricating oil pressure at the inlet port (12) allowing lubricating oil to flow through the bypass port (14) to the oil sump (3).

Abstract: The invention relates to a particle filter, which comprises a wall flow filter and SCR-active material, wherein the wall flow filter comprises ducts which extend in parallel between the first and the second end of the wall flow filter and which are alternately closed in a gas-tight manner either at the first or the second end and which are separated by porous walls, the pores of which have inner surfaces, and the SCR-active material is located in the form of a coating on the inner surfaces of the pores of the porous walls, characterized in that the coating has a gradient, such that the side of the coating facing the exhaust gas has a higher selectivity in the SCR reaction than the side of the coating that faces the inner surfaces of the pores. The SCR-active material is preferably a small-pore zeolite, which has a maximum ring size of eight tetrahedral atoms and is exchanged with copper and/or iron.

Abstract: A method and a corresponding apparatus are provided for preconditioning an exhaust gas system (100) for discharging and purifying combustion exhaust gases of an internal combustion engine (1), in particular an internal combustion engine (1) of a motor vehicle (200). The method includes operating, air being heated by a heating element (8) in the exhaust gas system (100) to heat air in the exhaust gas system (100), operating a fan in the exhaust gas system (100) for producing a hot air stream with the heated air, using the hot air stream for heating a first catalytic converter (7) of the exhaust gas system (100) to a minimum operating temperature.

Abstract: An engine system control apparatus includes a parameter reception unit that receives parameters necessary for acquiring a pressure ratio of the low-pressure compressor and a pressure ratio of the high-pressure compressor, a pressure ratio acquisition unit that acquires the pressure ratio of the low-pressure compressor and the pressure ratio of the high-pressure compressor based on the parameters, an inter-compressor pressure ratio acquisition unit that acquires an inter-compressor pressure ratio obtainable by dividing the pressure ratio of the high-pressure compressor by the pressure ratio of the low-pressure compressor, and a control unit that controls the exhaust gas flowrate adjustment unit such that the inter-compressor pressure ratio becomes a predetermined pressure ratio for optimizing an operation efficiency of the engine system.

Abstract: Methods and systems are provided for diagnosing the presence or absence of a catalyst substrate within a catalyst can or housing. The methods and systems described a persistence of excitation metric that is a basis for judging whether or not the catalyst can is empty. If it is determined that the catalyst can or housing is empty, mitigating control actions may be performed via a controller.

Abstract: The present disclosure provides sufficient support rigidity of a supercharger and an intercooler, while reducing an increase in the overall height of an engine. The supercharger extends along a cylinder bank at a side of a surge tank, and is fixed to an intake manifold. The intercooler is located below the supercharger. A case of the intercooler is connected to a discharge port of the supercharger and an intake air introduction pipe of the intake manifold.

Abstract: A system operates to bypass one or more exhaust purifying devices during deceleration fuel cut-off (DFCO) events in order to avoid hydrocarbon purging. The system includes an internal combustion engine and exhaust purifying system including a first purifying device and a second purifying device. An exhaust gas sensor monitors an exhaust gas feedstream. A diverter valve is disposed to manage the exhaust gas feedstream and fluidly coupled to an exhaust diversion pipe. A controller detects operation of the engine in a DFCO state and monitors the exhaust gas feedstream via the exhaust sensor. The diverter valve is controlled to divert the exhaust gas feedstream away from at least one of the first and second purifying devices during the DFCO event when the exhaust gas feedstream has an air/fuel ratio that is greater than a threshold air/fuel ratio.

Abstract: Each of recesses in outer circumferential surfaces of rotors includes: a leading-side area extending forward from a longitudinal center of an associated one of the outer circumferential surfaces in a rotation direction of the rotor, and a trailing-side area continuous with the leading-side area, and extending rearward from the longitudinal center in the rotation direction. From the longitudinal center of the associated one of the outer circumferential surfaces in the rotation direction, forward extension of the leading-side area is longer than rearward extension of the trailing-side area. The leading-side area has a larger volume than the trailing-side area.

Abstract: A turbocharger impeller includes: a cylindrical boss portion disposed around a rotary axis; a hub portion connected to the boss portion and extends in a radial direction of the rotary axis; and a blade portion protruding from the boss portion and the hub portion toward a tip end side in the direction of the rotary axis and the radial direction. At least a part of an outer peripheral part of the hub portion in the radial direction or a part of the blade portion is provided with a resin second section and the second section is bonded to an aluminum first section. The turbocharger impeller includes the aluminum first section and the resin second section.

Abstract: Systems and methods for operating an engine that includes one or more fuel injectors are described. The systems and methods may characterize fuel injector operation during a time when injecting fuel may be useful to maintain balance of a catalyst to reduce engine emissions. Further, large or small amounts of fuel may be injected without affecting engine combustion.

Abstract: A NOx absorber catalyst for treating an exhaust gas from a diesel engine. The NOx absorber catalyst comprises a first NOx absorber material comprising a molecular sieve catalyst, wherein the molecular sieve catalyst comprises a noble metal and a molecular sieve, and wherein the molecular sieve contains the noble metal; a second NOx absorber material comprising palladium (Pd) supported on an oxide of cerium; and a substrate having an inlet end and an outlet end.

Abstract: A gaseous emissions treatment component has a honeycomb substrate along and through which extend elongate cells for the passage of gaseous emissions through the substrate. The cells are bounded by walls dividing adjacent cells from one another. Metal elements occupy and extend along some of the cells. A metal element has an outer surface shape matching the inner surface of an immediately adjacent part of the cell within which the metal element is located.

Abstract: A hollow first accommodating case (28) is provided on a front part of a revolving frame (5) at a position on a front side of a fuel tank (23), and a fuel supply pump (34) for supplying a fuel stored in an external fuel storage source to the fuel tank (23) is provided on the fuel tank (23) by being connected. A fuel suction port (35) for sucking the fuel toward the fuel supply pump (34) is provided in the first accommodating case (28) by being opened to an outside, and a urea water tank (25) is provided by being accommodated in the first accommodating case (28). A water supply port (25G) of a urea water is provided in the urea water tank (25) by being opened to the outside, and the fuel suction port (35) and the water supply port (25G) of the urea water are juxtaposed and arranged in the first accommodating case (28).

Abstract: An internal combustion engine is provided having at least one turbocharger having a compressor and an exhaust gas turbine, at least two actuating members for controlling a boost pressure by the compressor, a measuring device for measuring at least one measurement signal, and a control device adapted to actuate the actuating members by varying a degree of opening of the actuating members. The control device of the internal combustion engine is configured to calculate a total degree of opening of the actuating members necessary to achieve a desired boost pressure provided by the compressor. This is in dependence on the at least one measurement signal. The control device is also configured to determine the total degree of opening split between each of the at least two actuating members, and to control each of the actuating members according to its individual degree of opening to reach the desired boost pressure.

Abstract: A motor vehicle including an exhaust system downstream of an internal combustion engine and which comprises several exhaust gas aftertreatment devices for cleaning the exhaust gas from the internal combustion engine, wherein the exhaust system includes an SCR catalytic converter and at least one additional catalytic converter, wherein the additional catalytic converter is designed as an NOx storage catalytic converter or an oxidation catalytic converter, wherein a control device is provided for controlling at least one operating component of the motor vehicle influencing the temperature of the exhaust gas, wherein the control device is designed to control the operating component for setting the temperature of the exhaust gas depending on at least route information dependent on an expected travel distance and conversion information relating to a temperature-dependent pollutant conversion rate of at least one exhaust gas aftertreatment device of the exhaust system.