Abstract: An exhaust aftertreatment system for an internal combustion engine includes an outer casing having an exhaust gas inlet and an exhaust gas outlet between which a fluid flow path for exhaust gases is provided, a selective catalytic reduction unit provided in the fluid flow path for reducing nitrogen oxides, a reductant dosing device for adding reductant to the exhaust flow upstream of the selective catalytic reduction unit, and a rotatable mixer device for mixing the reductant with exhaust gases upstream of the selective catalytic reduction unit, an air inlet valve provided upstream of the mixer device for introducing air into the fluid flow path, and an electric motor arranged for rotating the mixer device to create a suction of air into the fluid flow path via the air inlet valve.

Abstract: An engine device includes an exhaust gas purification device above a cylinder head through a support pedestal. The support pedestal has a flat portion on which the exhaust gas purification device is mounted, and a plurality of legs which protrude downward form the flat portion and are fixed to the cylinder head. The flat portion and the leg portion are formed integrally. Portions between the legs are each formed in an arch-shape.

Abstract: A particulate trap filter body has asymmetrical channels. The cross-sectional shape of the asymmetrical channel structure includes a combination of hexagonal, square and triangular shapes. The hexagonal channel and the triangular channel act as inlet channel, and the square channel acts as outlet channel. Compared with the traditional symmetrical filter body structure, the inlet channel volume and filter body wall area can be effectively increased by more than 30%, which means that with capturing the same amount of particles, the particle cake layer formed on the wall surface is thinner. The limiting carbon load of the new channel structure is increased by more than 30%, having a very positive effect on reducing the regeneration frequency and prolonging the service life of the trap.

Abstract: A vehicle includes an internal combustion engine. The internal combustion engine includes an exhaust passage, and a filter for collecting particulate matter contained in the exhaust gas. The vehicle includes a cooling fan for circulating air around a radiator and the filter. A control device of the vehicle executes an accumulated amount calculation process for calculating a particulate matter accumulated amount. The control device executes a regeneration process under a condition that the particulate matter accumulated amount exceeds a specified amount. The regeneration process is a process for regenerating the filter when the particulate matter collected on the filter is combusted. The control device executes a fan drive process for driving the cooling fan. When the regeneration process is being executed, the control device executes the fan drive process regardless of a coolant temperature under a condition that a vehicle speed is smaller than a specified speed.

Abstract: An exhaust passage including a protrusion which is less likely to receive heat from a gas and hence has high heat-resistance reliability is provided. An exhaust passage includes an exhaust pipe, and a protrusion continuously formed over a range of a part of an inner surface of the exhaust pipe in a circumferential direction thereof, the protrusion being inclined toward a direction in which the exhaust pipe extends, and being configured in such a manner that a cross-sectional area of the exhaust pipe becomes smaller toward a downstream side thereof, in which the exhaust passage further includes a convex part on an inner surface of the protrusion.

Abstract: A method (200) for ascertaining a catalytic converter state is proposed, wherein an exhaust-gas catalytic converter (130) is monitored on the basis of a catalytic converter model. Here, the catalytic converter model is adapted (250) in a manner dependent on measured values detected by means of one or more sensors (145, 147), wherein a frequency and/or a degree of the adaptation of the catalytic converter model is detected (260). The catalytic converter state is ascertained (270) as non-critical if the frequency and/or the degree of the adaptation do not exceed a predeterminable threshold value or is ascertained (270) as critical if the frequency and/or the degree of the adaptation exceed the predeterminable threshold value.

Abstract: An engine that suppresses damage on a support mechanism of a diesel particulate filter (DPF) due to vibration in the pitch direction, in which the DPF, which purifies exhaust gas from an exhaust manifold, is disposed in an orientation orthogonal or approximately orthogonal to a rotational axis of a crankshaft in a plan view. A support mechanism is provided, which enables a cylinder head, an intake manifold, and an intake collector to support the DPF. The support mechanism includes a first support position in which the cylinder head supports the DPF, a second support position in which the intake manifold supports the DPF, and a third support position in which the intake collector supports the DPF. The third support position deviates from the first support position and the second support position in a direction of the rotational axis of the crankshaft.

Abstract: A filter is disposed on an exhaust path of the internal combustion engine to capture particulate matter exhausted from the internal combustion engine. A controller is caused to execute regeneration control that incinerates the particulate matter captured on the filter. The controller accomplishes the regeneration control by executing lean incineration control and stoichiometric incineration control in combination with each other. The lean incineration control incinerates the particulate matter, keeping an air-fuel ratio of the internal combustion engine to be leaner than a logical air-fuel ratio. The stoichiometric incineration control incinerates the particulate matter, oscillating the air-fuel ratio of the internal combustion engine about the logical air-fuel ratio as an average air-fuel ratio at a predetermined first cycle.

Abstract: A working machine includes a manual switch, a filter to catch particulate matters included in exhaust gas that is exhausted from a prime mover, a first cleaning controller to perform automatic cleaning that automatically combusts the particulate matters when a deposits amount of the particulate matters caught by the filter is a first deposits amount threshold or more, a second cleaning controller to perform manual cleaning that combusts the particulate matters based on a command of the manual switch when the deposits amount is equal to or more than a second deposits amount threshold that is larger than the first deposits amount threshold, and a third cleaning controller to perform assist cleaning that combusts the particulate matters based on the command of the manual switch when the deposits amount is equal to or more than the first deposits amount threshold and smaller than the second deposits amount threshold.

Abstract: Disclosed are a ceramic membrane for water treatment using oxidation-treated SiC and a method for manufacturing the same. An object of the present invention is to manufacture a ceramic membrane for water treatment, which can be sintered at a low temperature of 1,050° C. or less, in which a SiO2 oxide layer formed during an oxidation process induces volume expansion so as to prevent defects due to the contraction of a coating layer during general sintering. The ceramic membrane for water treatment using the oxidation treated SiC includes a porous ceramic support layer; and a SiC layer formed on the porous ceramic support layer and including SiC particles on which a SiO2 oxide layer formed on a surface thereof.

Abstract: An engine that suppresses damage on a support mechanism of a diesel particulate filter (DPF) due to vibration in the pitch direction, in which the DPF, which purifies exhaust gas from an exhaust manifold, is disposed in an orientation orthogonal or approximately orthogonal to a rotational axis of a crankshaft in a plan view. A support mechanism is provided, which enables a cylinder head, an intake manifold, and an intake collector to support the DPF. The support mechanism includes a first support position in which the cylinder head supports the DPF, a second support position in which the intake manifold supports the DPF, and a third support position in which the intake collector supports the DPF. The third support position deviates from the first support position and the second support position in a direction of the rotational axis of the crankshaft.

Abstract: A regeneration control device for an exhaust purification device includes a regeneration controller that executes regeneration control in which particulate matters trapped by a filter are removed by combustion, and a post-injection controller that during the regeneration control, executes control in which a time period of a post-injection of fuel executed subsequently to a main injection of fuel is advanced such that a supercharging pressure of a turbosupercharger becomes higher than a supercharging pressure during steady operation.

Abstract: An engine device of this invention includes including a post-treatment device, provided in an exhaust passage of an engine, for purifying an exhaust gas from the engine. As the post-treatment device, a three-way catalyst is used. The engine device further includes a filter case including a filter body for catching deposits in the exhaust gas. The filter case is disposed, in a replaceable manner, upstream of the post-treatment device in the exhaust passage.

Abstract: An engine apparatus includes an engine, an exhaust gas purification device, an outlet side bracket, and an inlet side bracket. The exhaust gas purification device is mounted above a cylinder head to extend along an axis of an output shaft of the engine. The inlet side bracket is configured to couple an exhaust gas inlet side of the exhaust gas purification device to the cylinder head. The inlet side bracket includes a first bracket, a second bracket, and a third bracket. The first bracket is configured to be secured to a surface of the cylinder head intersecting the axis of the output shaft and includes a wide width. The second bracket includes a proximal end portion and a distal end portion. The third bracket is configured to be coupled to an end surface of the exhaust gas purification device and the distal end portion of the second bracket.

Abstract: In various embodiments, an electromagnetic field generator generates one or more power signals applied to one or more coils to cause the induction heating of the pins of the emission control device, The pins can have a plurality of differing lengths, and the heating of the pins can cause a first region of the emission control device to heat faster than a second region of the emission control device.

Abstract: A method of manufacturing a cylindrical housing of an exhaust-gas treatment unit for vehicles includes providing a flat sheet metal part having at least one embossing, and round bending the sheet-metal part in a round bending tool by displacing the sheet metal part between rolls such that the sheet metal part obtains a cylindrical shape having a longitudinal direction parallel to roll axes of the rolls. At least one elastic roll is used such that the embossing of the sheet metal part is maintained during round bending. The longitudinal edges of the cylindrical sheet metal part are then connected to form a tube. A method of manufacturing an exhaust-gas treatment unit is furthermore shown.

Abstract: Methods and systems are provided for a PM sensor. In one example, a method comprises flowing exhaust gas to a cone-shaped PM sensor having a pair of openings arranged across from one another and a plurality of outlets distal to the pair of openings.

Abstract: A work vehicle such as a tractor including an engine and a fan shroud. The engine includes a diesel particulate filter (DPF) for purifying exhaust gas. The fan shroud is disposed ahead of the engine. The DPF includes a soot filter for collecting PM (particulate matter) in exhaust gas. The engine further includes a pressure difference sensor for detecting a pressure difference between an upstream side and a downstream side of the soot filter of the DPF in a direction in which exhaust gas flows. The pressure difference sensor is supported by the fan shroud.

Abstract: Arranged downstream of a particulate matter filter incorporated in an exhaust pipe is a PM sensor with a detection portion on which particulate matter is deposited to output a deposition amount of the particulate matter. An assumption condition is set for making an assumption that the particulate matter filter is in a reference condition having a predetermined particulate matter capturing capability. Under the assumption condition, a virtual output value is calculated depending on a virtual deposition amount of the particulate matter in the PM sensor. The particulate matter filter is determined to have fault when, upon reaching of the virtual output value to a predetermined determination threshold, an output of the PM sensor is not less than the determination threshold.

Abstract: Catalytic converter unit for an exhaust gas catalytic converter, in particular an SCR catalytic converter unit for an SCR catalytic converter of a marine diesel internal combustion engine, with multiple catalytic converter modules. Each catalytic converter module has a ceramic catalytic converter body through which exhaust gas flows and a metallic casing for the ceramic catalytic converter body. The respective ceramic catalytic converter body is received in the respective metallic casing and is surrounded in certain sections by the latter. The catalytic converter modules are positioned with first flowed-through ends on a support grating. A counter-brace is positioned at the opposite second flowed-through ends of the catalytic converter modules, and the catalytic converter modules are clamped between the support grating and the counter-brace.

Abstract: A structure of a metal fiber constituting a filter is set to a structure in which a cross-sectional shape of the metal fiber is a curved or bent shape and an outer member and an inner member having a linear expansion coefficient greater than that of the outer member are bonded to each other. Accordingly, the metal fiber is deformed to warp to the outer member side in the length direction thereof when the temperature of the metal fiber increases. When a amount of deformation per unit temperature of the metal fiber is defined as a deformation rate, a amount of change of the deformation rate per unit time changes at a predetermined deformation temperature with the increase in temperature. The deformation temperature is set to a temperature higher than a target temperature of a filter regenerating process.

Abstract: A housing member for enclosing an aftertreatment module of an engine is provided. The housing member includes a base member, a plurality of side members extending from the base member, and a top member coupled to the plurality of side members. The base member, the plurality of side members and the top member are together configured to define an inlet chamber and an outlet chamber. The housing member includes an inlet port defined on at least one of the plurality of side members and configured to communicate with the inlet chamber. The inlet port is coupled to an exhaust conduit of the engine to receive exhaust gas. The housing member includes a plurality of outlet ports defined on the top member and at least one of the plurality of side members. The plurality of outlet ports communicates with the outlet chamber to discharge the exhaust gas from the aftertreatment module.

Abstract: A particulate filter (1) is provided having a first wall flow region (2) and a second flow through region (3). The filter is provided with a catalytic washcoat, whereby the filter can be used to remove both particulate matter and harmful gaseous emissions from an exhaust gas stream.

Abstract: An exhaust purification device includes an adding valve that adds an additive to exhaust gas. A first partition plate includes a first hole-formation region, which includes a main flow hole extending through a central portion and sub-flow holes surrounding the main flow hole, and a first hole-free region surrounding the first hole-formation region. A second partition plate located at a downstream side of the first partition plate includes a second hole-free region, which includes a portion overlapping the main flow hole, and a second hole-formation region surrounding the second hole-free region. An injector injects the additive in a circumferential direction of the first hole-free region from a position opposing the first hole-free region in the extending direction and opposing a projection of the first hole-formation region in a cross-sectional direction.

Abstract: An engine device in which an exhaust gas purification device can be disposed without substantially increasing mounting width dimensions (height, lateral width, front and rear width) of an engine. The engine device includes the exhaust gas purification device connected to an exhaust manifold of the engine, an oil pan disposed on a bottom of the engine, a support body for linking the exhaust gas purification device to the oil pan, so that the exhaust gas purification device is supported by the oil pan.

Abstract: A work vehicle includes an engine, a variable displacement hydraulic pump, a hydraulic motor, an exhaust treatment device, and a controller. The engine drives the variable displacement hydraulic pump. The variable displacement hydraulic pump is configured to change the discharge direction of the hydraulic fluid. Depending on the discharge direction of the hydraulic oil from the variable displacement hydraulic pump, the hydraulic motor is configured to change the driving direction to the forward direction or the reverse direction. The exhaust treatment device is configured to treat the exhaust from the engine. The controller is configured to increase the speed of the engine to a predetermined first speed or greater and to change the discharge direction of the variable displacement hydraulic pump to a neutral state during regeneration of the exhaust treatment device.

Abstract: A compensator (10) of an exhaust gas aftertreatment system has a flow inlet-side connection flange (13) for connecting a flow inlet-side assembly (11), a flow outlet-side connection flange (14) for connecting a flow outlet-side assembly (12), a connection pipe (18) which extends between the two connection flanges (13, 14) and which has a bellows-shaped pipe portion (19), and an exhaust gas aftertreatment assembly (21) extending inside the connection pipe (18). The exhaust gas aftertreatment assembly (21) protrudes relative to the flow inlet-side connection flange (13) and/or relative to the flow outlet-side connection flange (14) such that it extends into the flow inlet-side connection assembly (11) and/or into the flow outlet-side assembly (12).

Abstract: An engine apparatus includes an engine and an exhaust gas purifier. The engine includes an intake manifold and an exhaust manifold. The exhaust gas purifier is configured to purify exhaust gas of the engine and disposed on an upper side of the engine through a mounting base. The mounting base includes an intake-side bracket and an exhaust-side bracket, which support one end of the exhaust gas purifier. One end of the intake-side bracket and one end of the exhaust-side bracket are fastened to each other. The other end of the intake-side bracket and the other end of the exhaust-side bracket are coupled to the engine side.

Abstract: Described herein are embodiments of systems and methods for oxidizing gases. In some embodiments, a reaction chamber is configured to receive a fuel gas and maintain the gas at a temperature within the reaction chamber that is above an autoignition temperature of the gas. The reaction chamber may also be configured to maintain a reaction temperature within the reaction chamber below a flameout temperature. In some embodiments, heat and product gases from the oxidation process can be used, for example, to drive a turbine, reciprocating engine, and injected back into the reaction chamber.

Abstract: In an air purifying apparatus for removing contaminants, such as soot and the like, by burning contaminated air while passing the contaminated air through a filter heated by microwaves, the apparatus includes: a housing, which is hollow, and comprises an inlet on one side and an outlet on the other side; a ceramic filter of a longitudinal material, which is arranged in the housing in a longitudinal direction of the housing, and includes a plurality of partition walls formed so that a flow path where contaminated air flows may be divided in plurality; and a microwave generator configured to generate microwaves to be supplied to one end surface of the ceramic filter in a longitudinal direction thereof to heat the one end surface of the ceramic filter in the longitudinal direction.

Abstract: An internal combustion engine system is provided. The system includes an engine defining a combustion chamber, a clean emission module and an air supply unit. The clean emission module is fluidly connected to an exhaust conduit from the combustion chamber. The air supply unit is configured to supply air into the combustion chamber and includes a compressor and a flow control device provided between the compressor and the combustion chamber. The compressor is configured to receive air from an air inlet via a first passage and supply the compressed air into the combustion chamber via a second passage. The flow control device is configured to selectively reduce the supply of compressed air into the combustion chamber such that an air fuel ratio in the combustion chamber is maintained between 15:1 to 18:1 at 20-90% engine load during a regeneration period for the clean emissions module.

Abstract: An exhaust gas temperature raising processing system, which increases a load acting on an engine to raise the exhaust gas temperature, includes an electric assist motor connected to the engine and an inverter for adjusting a torque of the electric assist motor. It also includes a main controller having a first determination unit for determining whether or not an actuator control valve is in a non-feed state and a second determination unit for determining whether or not clogging has occurred on a filter of an exhaust gas purification system. When the non-feed state is determined by the first determination unit and clogging is determined to have occurred on the filter by the second determination unit, the main controller drives the electric assist motor to generate electric power such that a load acting on the engine is increased.

Abstract: An exhaust-gas recirculation device for an internal combustion engine, a method for controlling an exhaust-gas recirculation device, a drive for a motor vehicle having an exhaust-gas recirculation device, and a motor vehicle having a drive of said type are described. The exhaust-gas recirculation device comprises a turbine, and an exhaust-gas aftertreatment device. The exhaust-gas aftertreatment device has an inlet connected to an outlet of the turbine, and is configured to reduce a pollutant content in the exhaust-gas flow. An electric grid heater is arranged between the outlet of the turbine and the inlet of the exhaust-gas aftertreatment device and is configured to heat the exhaust-gas flow.

Abstract: Provided is an emission treatment system and method for simultaneously remediating the nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons present in diesel engine exhaust streams. The emission treatment system has an oxidation catalyst upstream of a soot filter coated with a material effective in the Selective Catalytic Reduction (SCR) of NOx by a reductant, e.g., ammonia. Also provided is a method for disposing an SCR catalyst composition on a wall flow monolith that provides adequate catalyst loading, but does not result in unsuitable back pressures in the exhaust.

Abstract: In an engine device provided with an engine which serves as a power source, an exhaust gas purifying filter device which is arranged in an exhaust gas path of the engine, and control means which executes a low rotation control for lowering an engine speed to a predetermined first low rotating speed at a time when a previously set low rotation condition is established, the control means is structured such as to maintain the engine speed at a second low rotating speed which is higher than the first low rotating speed, for suppressing a reduction of an exhaust gas temperature at a time when both of the low rotation condition and a previously set forced regeneration condition are established.

Abstract: The present disclosure relates to an active diesel particulate filter (DPF) regeneration system of an engine, and more particularly, to an active DPF regeneration system and method, in which a non-work load is arbitrarily provided to the engine to quickly perform an active DPF regeneration even in a state where substantial work of a construction machine is stopped.

Abstract: An exhaust purification system is provided that can decrease the load acting on a device treating PM, even when switched to stoich operation. The exhaust purification system includes: a PM treatment device, a three-way purification catalyst, an LAF sensor, and an ECU (3) that performs feedback control so that an LAF sensor output (Vex) becomes a target value (Vop) determined so that the three-way purification reaction is optimized during stoich operation. The ECU (3) includes a fuel controller (32) that determines a fuel injection amount (Gfuel) so that a state in which an air/fuel ratio of the air/fuel mixture is leaner than stoich and a state richer than stoich are alternately realized by modulating a fuel correction amount (dGfuel) determined so as to cause the LAF sensor output (Vex) to converge to the target value (Vop) by employing a predetermined modulation algorithm.

Abstract: A method for particulate filter performance monitoring in an exhaust gas treatment system is provided. The method includes monitoring a current received from a soot sensor in the exhaust gas treatment system and comparing the current to a soot sensor current threshold. Based on determining that the current is greater than or equal to the soot sensor current threshold, an accumulated engine out soot value is compared to an accumulated engine out soot threshold. A particulate filter fault is set based on determining that the accumulated engine out soot value is less than the accumulated engine out soot threshold. A monitoring system and an exhaust gas treatment system of an engine are also provided.

Abstract: Methods and systems for reducing hydrocarbon emissions from an internal combustion engine. The engine's exhaust aftertreatment system has at least a particulate matter (soot) filter and means for actively regenerating the particulate matter filter. During operation of the engine, the soot loading state of the particulate matter filter is monitored. The filter is regenerated when required, but the regeneration is controlled so that the particulate matter filter retains a small level of soot loading. This soot “pre-loading” ensures hydrocarbon reduction during the next cold start.

Abstract: An exhaust gas purification system and a regeneration control method thereof is configured to determine whether a regeneration condition of particulate filter is satisfied through vehicle information to regenerate the particulate filter until particulate matter has reached a predetermined reference amount by increasing temperature of exhaust gas when a regeneration condition is satisfied, to maintain temperature of lean NOx trap in a range of a predetermined reference temperature when regeneration of the particulate filter has reached the predetermined reference amount, to provide desulfurization performed to the lean NOx trap during rich burn, and regeneration where the particulate matter during lean burn is removed according to engine being controlled to drive such that lean burn and rich burn are repeatedly and alternately performed, and to control engine to drive by a normal burn when the desulfurization of the lean NOx trap and the regeneration of the particulate filter are completed.

Abstract: A particulate filter is monitored for a particulate matter load when fluidly coupled to an internal combustion engine. Monitoring of the particulate filter is achieved by determining a rate of production of particulate matter from the internal combustion engine, a rate of capture of the particulate matter within the particulate filter, a regeneration rate for the particulate filter, and an amount of particulate matter collected in the particulate filter.

Abstract: An exhaust treatment system may include a burner, a flame sensor assembly and a control module. The flame sensor assembly may be at least partially disposed within the burner and may include an insulator and an electric heating element in heat transfer relation with the insulator. The control module may be in communication with the flame sensor assembly. The control module may determine whether a flame is present in a combustion chamber based on feedback from the flame sensor assembly. The control module may detect contamination on the insulator based on feedback from the flame sensor assembly. The control module may operate the heating element in a first mode in response to detection of a contamination in which the control module causes electrical power to be applied to the heating element to raise a temperature of the heating element to burn contamination off of the insulator.

Abstract: The invention relates to a system for recovering energy from an exhaust gas circuit (3) of a heat engine (1), including an exhaust gas by-pass pipe (12) that includes a heat exchanger with two compartments, and has a first manifold (14) leading into one compartment (16) and a second manifold (15) leading into the other compartment (17), said system comprising a first valve (18) installed in the exhaust circuit (3) and capable of controlling the flow of gases into each of said manifolds (14, 15), and a second valve (20) intended to control the flow of gases at the outlet of the heat exchanger (13). The main technical feature of a system for recovering energy according to the invention is that the first valve (18) can only be used in two positions, a first position wherein same seals the first manifold (14), and a second position wherein same seals the exhaust circuit (3) and only allows the exhaunt gases to flow into the first manifold (14).

Abstract: An engine system for a machine is disclosed. The engine system may have an intake manifold configured to direct air into a donor cylinder and a non-donor cylinder of an engine. The engine system may also have a first exhaust manifold configured to direct exhaust from the non-donor cylinder to the atmosphere. The engine system may also have a second exhaust manifold configured to receive exhaust from the donor cylinder. The engine system may further have a control valve configured to selectively direct a first amount of exhaust from the second exhaust manifold to the intake manifold. In addition, the engine system may have an orifice configured to allow a second amount of exhaust to flow from the second exhaust manifold to the first exhaust manifold.

Abstract: According to one embodiment, described herein is an apparatus for decomposing diesel exhaust fluid into ammonia for an internal combustion engine (ICE) system having a selective catalytic reduction system. The apparatus includes an outlet cover, an inlet cover coupled to the outlet cover, and a support plate disposed between the outlet cover and the inlet cover. The support plate forms an outlet channel with the outlet cover and an inlet channel with the inlet cover. The inlet channel is fluidly coupled to the outlet channel. Additionally, the inlet channel may be adjacent to the outlet channel.

Abstract: A selective catalytic reduction catalyst capable of reducing the NOx in exhaust gas to N2 is arranged in an exhaust pipe of an engine. Fluid feed has a fluid injecting nozzle facing the exhaust pipe on the exhaust gas upstream side from the selective catalytic reduction catalyst. The fluid feed is configured such that a urea fluid that functions as a reducing agent is fed with the selective catalytic reduction catalyst from the fluid injecting nozzle to the exhaust pipe. Ozone feed includes an ozone injecting nozzle that faces the exhaust pipe on the exhaust gas upstream side from the selective catalytic reduction catalyst, and on the exhaust gas upstream side or the exhaust gas downstream side from the fluid injecting nozzle. The ozone feed is configured such that ozone is fed from the ozone injecting nozzle to the exhaust pipe.

Abstract: Aggregation of the particulate matter is facilitated. A particulate matter processing apparatus (1) comprises an electrode (5) which is provided in an exhaust gas passage (3) of an internal combustion engine, which extends from a wall surface of the exhaust gas passage (3) toward an inner side of the exhaust gas passage (3), which is bent at a bent portion (51) toward an upstream side or a downstream side in a flow direction (B) of an exhaust gas, and which extends toward the upstream side or the downstream side in the flow direction (B) of the exhaust gas, wherein the electrode (5) is formed so that a field intensity, which is provided between the electrode (5) and the wall surface of the exhaust gas passage (3) on the upstream side, is larger than that provided on the downstream side.

Abstract: A method, comprising purging a storage catalytic converter of stored NOx by diverting only a portion of incoming exhaust flow around the catalytic device while increasing injection of reductant to the storage catalytic converter; and responsive to the diverting, adjusting injection of an ammonia-containing fluid into recombined exhaust flow upstream of an SCR catalytic converter. Bypass of the storage catalytic converter reduces available oxygen and air flow through the storage catalytic converter, providing a more advantageous environment for reduction of NOx in the storage catalytic converter.

Abstract: A load application means, which applies a load to an engine such that a temperature of exhaust gas is raised to a temperature required to burn particulate matter, is comprised of an electric load application means for applying the load to the engine to raise the temperature of the exhaust gas by operating an electric assist motor to generate electric power and a hydraulic load application means for applying the load to the engine to raise the temperature of the exhaust gas by increasing a delivery pressure of a variable displacement hydraulic pump, and a selection control unit is provided for performing control processing to selectively actuate the electric load application means and/or the hydraulic load application means.

Abstract: In a network device such as a network switch having a port coupled to a communications medium dedicated to a single virtual local area network and another port coupled to a communications medium shared among multiple virtual local area networks for transmitting data frames between the dedicated communications medium and the shared communications medium, a method of identifying the virtual network associated with each data frame received by the network switch when transmitting the data frames over the shared communications medium. The method comprises receiving data frames from the dedicated communications medium coupled to one port, and, with respect to each data frame so received, inserting a new type field and a virtual network identifier field. The contents of the new type field indicate the data frame comprises a virtual network identifier field.