Abstract: A mat for mounting a monolith, the mat comprising a first inorganic fiber layer, where the mat has a front edge intended to form a gas facing edge in use, a rear edge opposite thereto and side edges extending between the front and rear edges, wherein the first inorganic fiber layer at a first side edge of the mat, and/or at a second side edge of the mat is cut at an acute angle to the thickness direction of the mat.

Abstract: A holding sealing material includes a one-sheet mat including inorganic fibers. The one-sheet mat includes a first mat with a first side face and a second mat with a second side face. A part of the first side face and a part of the second side face are foldably and integrally connected.

Abstract: A mat for supporting a monolith, the mat comprising one or more first portions comprising fibers at least partially coated with an erosion resistant inorganic (e.g. silica) gel composition or a precursor thereof.

Abstract: A catalytic converter holding mat that is inexpensive, and exhibits an excellent heat insulation capability is provided by utilizing an inexpensive heat insulating material that exhibits an excellent heat insulation capability. The catalytic converter holding mat is provided in a gap between a tubular catalyst carrier and a casing that houses the catalyst carrier, and includes a retaining section that is formed of first inorganic fibers having a thermal shrinkage ratio at 1000° C. of 1% or less, and an insulation section that is disposed adjacent to the retaining section, and formed of second inorganic fibers having a thermal shrinkage ratio at 1000° C. of more than 1%.

Abstract: The present invention provides a highly durable, electrically heated catalytic converter including an insulation layer formed on an inner tube, wherein the insulation layer is less susceptible to cracking and peeling even when high thermal stress occurs in the insulation layer at and near the end portion of an inner tube, at upstream of a catalyst carrier.

Abstract: The present invention provides a multilayer mounting mat for mounting a pollution control element. The mounting mat comprises a layer of intumescent material between two non-intumescent layers defining opposite major sides of the mounting mat. The mounting mat in accordance with the present invention is suitable for mounting a pollution control element in a pollution control device and is in particular suitable for mounting fragile monolith such as thin-wall and ultra thin-wall monoliths. Also, the mounting mats conveniently exhibit a good or excellent holding pressure over a wide temperature range and can be formulated in an inexpensive way. The invention also provides a pollution control device comprising a pollution control element arranged in a casing with the mounting mat disposed between the casing and pollution control element.

Abstract: A diesel oxidation catalyst component may include an inlet, an outlet, and a catalyst chamber body in fluid communication with the inlet and the outlet. An angled jacking bolt assembly is configured to secure a diesel oxidation catalyst within a catalyst chamber defined by the catalyst chamber body. In some implementations, a spacing component or a second diesel oxidation catalyst may be included and secured by the angled jacking bolt assembly. The catalyst chamber body may include an access panel assembly that includes an access panel and securing bolts. The access panel assembly may substantially fluidly seal an opening defined by a mount of the catalyst chamber body when the access panel is secured to the mount by the plurality of securing bolts. The opening may be sized to permit removal of the diesel oxidation catalyst from within the catalyst chamber.

Abstract: Tubular, continuous, seamless, compressible, resilient mounting article comprising inorganic fibers, and having an inner curved surface, a central longitudinal axis, and a uniform internal cross-sectional area along the central longitudinal axis. The mounting articles are useful, for example, in mounting pollution control elements in pollution control devices.

Abstract: An exhaust-gas treatment device (1) for an exhaust gas system of an internal combustion engine, in particular of a motor vehicle, includes a housing (2), the jacket (3) of which encloses an accommodating space (5) in the circumferential direction, at least one exhaust-gas treatment element (6), which is arranged in the accommodating space (5), and a bearing layer (7) made of an elastic bearing material, which bearing layer encloses the at least one exhaust-gas treatment element (6) in the circumferential direction and which lies radially against at least one exhaust-gas treatment element (6). An insulating layer (8), made of a thermally insulating, deformation resistant/compression resistant insulating material, encloses the bearing layer (7) in the circumferential direction within the jacket (3).

Abstract: A burner for exhaust gas purification devices, comprising a base, a first pipe section, and a second pipe section. The first pipe section has a base end section, a tip section, a combustion chamber wherein combustion air and fuel are combusted, and a discharge port from which combusted gas is discharged. The base end section is fixed to the base. An air flowpath through which combustion air passes is provided between the first pipe section and the second pipe section. The burner for exhaust gas purification devices also comprises a compressable blocking section fixed to the first pipe section or the second pipe section, and interposed between the tip section of the first pipe section and the second pipe section. The entire perimeter of the tip section of the first pipe section is supported so as to be slidable relative to the second pipe section, via the blocking section.

Abstract: A mounting mat (16) comprising at least one inorganic layer (18) comprising inorganic materials suitable for mounting a pollution control element in a pollution control device. A friction-inducing material (20) is disposed on at least one side of the inorganic layer (18). The deposited friction-inducing material (20) defines a higher friction area exhibiting a static coefficient of friction higher than that of the inorganic materials. A lower friction layer (20) is disposed so as to cover at least a portion of the higher friction area and define an exposed surface area of the mounting mat (16). The exposed surface area exhibits a lower static coefficient of friction than that of the higher friction area. The lower friction layer (20) no longer covers a substantial portion of the higher friction area, after the mounting mat (16) mounts a pollution control element (14) in a pollution control device (10).

Abstract: A dust collecting honeycomb filter includes a honeycomb base material having porous partition walls to define and form a plurality of cells, and a flange section disposed on an outer periphery of the honeycomb base material and having porous flange partition walls to define and form “a plurality of flange cells extending in the same direction as in the cells”. The flange section is formed so as to project outwardly from the outer periphery of the honeycomb base material, the partition walls and the flange partition walls are continuously connected without forming any boundaries therein, the flange section has flange plugging portions.

Abstract: An exhaust gas purification catalyst, using a reducing agent, is provided on an inside of an exhaust pipe via a support member. A baffle portion for preventing the reducing agent from penetrating the exhaust gas purification catalyst is provided on a portion of an internal surface of the exhaust pipe, which is upstream of the exhaust gas purification catalyst.

Abstract: Provided is a large-capacity metal catalyst support and a catalytic converter using the same, in which a number of unit catalyst support blocks are changed in a form of being effectively assembled so as to be applied to a catalytic converter that is required for processing a large amount of exhaust gas such as large vessels or plants employing a number of large-scale internal combustion engines, or large food processing devices, to thus easily assemble the unit catalyst support blocks into a large-scale assembled structure. The catalyst support includes: a number of unit catalyst support blocks in which cell formation bodies formed of a number of hollow cells that are aligned in a longitudinal direction are accommodated and stacked in a polygonal supporter wherein a catalyst is coated on the surfaces of the hollow cells; and a number of assembly members each for fixing a pair of adjacent supports that mutually contact between the stacked unit catalyst support blocks.

Abstract: A laminated body composed of a holding member and an inner cylinder is arranged between a heat generation element, which is electrically energized to generate heat, and a case which covers the heat generation element, and the inner cylinder has an upstream side end portion extended to a more upstream side than an upstream side end face of said heat generation element and an upstream side end face of said holding member to form an extension portion, which is formed with a protruding portion protruding to an inner side in a diametrical direction. A flow of an exhaust gas, which flows backwards after colliding with the heat generation element, will be obstructed by said protruding portion. As a result, the backflow exhaust gas stops flowing into a gap between the case and the inner cylinder.

Abstract: Electricity is suppressed from flowing to a case (4) of an electrically heated catalyst (1).

Abstract: A filter for internal combustion engines, includes a rigid external casing provided with at least an inlet for a fluid to be filtered and an outlet for the fluid when filtered, and a filter cartridge located internally of the external casing, which includes a plurality of tubular filter walls arranged parallel to one another which are destined to be crossed by the fluid flowing from the inlet towards the outlet of the external casing; the external casing being conformed such as to delimit a pouch a transversal section of which, performed along a perpendicular plane to axes of the tubular filter walls, exhibits a prevalent line of development and a small width with respect to the prevalent line of development; the tubular filter walls being arranged internally of the pouch, side by side with one another, forming a single row which follows the prevalent line of development of the pouch.

Abstract: A wall flow type particulate filter (24) adapted to be arranged in an exhaust passage of an internal combustion engine in which combustion is performed in an excess of oxygen carries a solid acid. The solid acid has an acid strength which is higher than the acid strength of sulfurous acid and lower than the acid strength of sulfuric acid.

Abstract: An exhaust treatment device includes an inner shell, an outer shell and insulation material positioned between the inner shell and the outer shell. An inlet tube has an end in communication with a cavity defined by the inner shell. A substrate for treating engine exhaust is positioned within the inner shell. A baffle plate includes a plurality of apertures positioned such that the exhaust passes through the apertures prior to entering the substrate. The baffle plate supports an end of the inner shell and the inlet tube.

Abstract: Inorganic fiber formed articles containing a mat-like aggregate of inorganic fibers, the articles obtained by a needling treatment wherein a needling density per unit area of a surface of a mat exceeds 50 punches/cm2, where: i) a ratio of a number NA of fiber bundles extending in a thickness direction and located in a region with a predetermined width W of section A in a predetermined direction, to a number NB of fiber bundles extending in the thickness direction and located in a region with a predetermined width W of section B in a direction orthogonal to the predetermined direction, NA/NB, is 0.5 or less; ii) a width of each of fiber bundle in sections A and B in the thickness direction is 0.3 mm or less; and iii) a needle mark is present in any 3 mm×3 mm region on the surface of the mat.

Abstract: An exhaust gas purifying apparatus for a diesel engine includes a diesel particulate filter (DPF) in an exhaust system in the diesel engine. The exhaust gas purifying apparatus is constructed to execute regeneration of the DPF by raising a temperature of the DPF in a case where a predetermined DPF regeneration condition is fulfilled, interrupt the regeneration of the DPF, execute idling stop, automatically restart the diesel engine and then restart the regeneration of the DPF, and when shifting to the idling operation is carried out during regeneration of the DPF, delay execution of the idling stop until a temperature of the DPF at a time at which the idling stop is started becomes not less than a temperature of the DPF at a time at which shifting to an idling operation is carried out even in a case where the predetermined idling stop condition is fulfilled.

Abstract: A mounting mat for an exhaust gas treatment device includes a blend of inorganic fibers and organic nanofibrillated fibers. An exhaust gas treatment device includes a housing and a fragile structure mounted within the housing by the mounting mat that is disposed in a gap between the housing and the fragile catalyst support structure. Additionally disclosed are methods of making a mounting mat for an exhaust gas treatment device and for making an exhaust gas treatment device incorporating the mounting mat.

Abstract: [Problem] To provide a filter whose initial collection efficiency can be increased and whose pressure loss increase can be suppressed. [Means to solve the problem] A ceramic filter includes: numerous crystalline masses bound to one another each formed of aggregation of columnar crystals, wherein a number of large diameter pores are present between the numerous crystalline masses, and small diameter pores are present between the numerous columnar crystals forming the crystalline mass.

Abstract: A filtering device features a ceramic filter body for filtering a fluid flow, the filter body consisting of a wavy layer and a flat layer and the wavy and flat layer being wound in a spiral-shaped manner. The wave length of the waves increases from the inside to the outside with increasing distance to the longitudinal axis of the filter body such that the wave troughs and the wave peaks of at least two radially adjacent windings each lie on a common radial plane.

Abstract: A catalyst comprising a zeolite loaded with copper ions and at least one trivalent metal ion other than Al+3, wherein the catalyst decreases NOx emissions in diesel exhaust. The trivalent metal ions are selected from, for example, trivalent transition metal ions, trivalent main group metal ions, and/or trivalent lanthanide metal ions. In particular embodiments, the catalysts are selected from Cu—Fe-ZSM5, Cu—La-ZSM-5, Fe—Cu—La-ZSM5, Cu—Sc-ZSM-5, and Cu—In-ZSM5. The catalysts are placed on refractory support materials and incorporated into catalytic converters.

Abstract: An exhaust gas purification system includes a diesel particulate filter (“DPF”) which collects particulate matter (“PM”) in exhaust gas, an exhaust pipe injector which performs exhaust pipe injection, and a DPF regeneration control unit which performs temperature rise control of an exhaust gas temperature by the exhaust pipe injection to regenerate the DPF when the PM collected by the DPF exceeds a fixed amount and which, during the regeneration, integrates an amount of time during which the exhaust gas temperature exceeds a PM combustion temperature and completes the regeneration when an integrated value thereof reaches a set regeneration completion value. The DPF regeneration control unit aborts the regeneration when, during regeneration, a total amount of the exhaust pipe injection exceeds an upper limit before the integrated value.

Abstract: A retaining seal material includes inorganic fibers, inorganic particles adhering to surfaces of the inorganic fibers, a first principal surface, and a second principal surface. A mean particle diameter of the inorganic particles in a vicinity of a center in a thickness direction of the retaining seal material is smaller than at least one of a mean particle diameter of the inorganic particles in a vicinity of the first principal surface and a mean particle diameter of the inorganic particles in a vicinity of the second principal surface.

Abstract: An exhaust gas purification system with which a frequency of diesel particulate filter (“DPF”) regeneration requests can be reduced during long low idle regeneration, thereby improving convenience, including a control unit that performs regeneration control on a DPF provided at an exhaust pipe of an engine. The control unit includes a particulate matter (“PM”) accumulation amount predictor for predicting the amount of PM accumulated by calculating a cumulated value of the PM in an idling state. The control unit starts calculating the cumulated value of the PM by the PM accumulation amount predictor after a first predetermined time has elapsed since a detection of the idling state.

Abstract: Disclosed are ceramic bodies comprised of composite cordierite aluminum magnesium titanate ceramic compositions and methods for the manufacture of same.

Abstract: A hybrid mounting mat for mounting a catalyst support structure within a housing in an exhaust gas treatment device. The exhaust gas treatment device includes an outer housing, a fragile catalyst support structure, and a mounting mat disposed in the gap between the housing and the fragile catalyst support structure. Additionally disclosed are methods of making the hybrid mounting mat and for making an exhaust gas treatment device incorporating the mounting mat.

Abstract: A holding sealing material includes a mat, an inorganic binder and an organic binder. The mat includes inorganic fibers and has an upper part, a center part, and a lower part in a thickness direction. The inorganic binder is loaded on the mat. The organic binder is loaded mainly on the upper part and the lower part of the mat. The holding sealing material is disposed between an exhaust gas-treating body and a casing for housing the exhaust gas-treating body to form an exhaust gas purifying apparatus.

Abstract: A parallel passage fluid contactor structure for chemical reaction processes has one or more segments, where each segment has a plurality of substantially parallel fluid flow passages oriented in an axial direction; cell walls between each adjacent fluid flow passages and each cell wall has at least two opposite cell wall surfaces. The structure also includes at least one active compound in the cell walls and multiple axially continuous conductive filaments either embedded within the cell walls or situated between the cell wall surfaces. The conductive filaments are at least one of thermally and electrically conductive, are oriented in axially, and are in direct contact with the active compound, and are operable to transfer thermal energy between the active material and the conductive filaments. Heating of the conductive filaments may be used to transfer heat to the active material in the cell walls. Methods of manufacturing the structure are discussed.

Abstract: An exhaust gas purification system with which diesel particulate filter (“DPF”) regeneration can be continued even when deceleration occurs during the DPF regeneration. The system includes a regeneration deceleration period intake/exhaust control unit that, when a vehicle decelerates during the DPF regeneration, increases an exhaust gas flow rate through an exhaust pipe by controlling respective openings of an exhaust gas recirculation (“EGR”) device and an intake throttle and adjusting a turbocharging amount of a high pressure stage turbocharger.

Abstract: An exhaust gas processing device includes a honeycomb structure in a pillar shape including a honeycomb unit, a catalytic agent, an inorganic mat member, a cylindrical metallic member and an insulating layer. The honeycomb unit includes cell walls to define a plurality of cells which extend from a first end of the honeycomb unit to a second end of the honeycomb unit along a longitudinal direction. The catalytic agent is provided on the cell walls. The inorganic mat member is wound around an outer peripheral surface of the honeycomb structure. The cylindrical metallic member accommodates the honeycomb structure around which the inorganic mat member is wound. The insulating layer has a thickness of about 20 ?m to about 400 ?m and is densely formed. The insulating layer is provided between an inner surface of the cylindrical metallic member and the inorganic mat member.

Abstract: A mounting mat for an exhaust gas treatment device including inorganic fibers, organic binder, high temperature resistant inorganic microspheres, and optionally intumescent material. The exhaust gas treatment device includes a housing, a fragile catalyst support structure resiliently mounted within the housing, and the mounting mat disposed in a gap between the housing and the fragile catalyst support structure.

Abstract: A exhaust gas purification device is structured such that it is possible to improve an assembling work ability or a maintenance work ability of gas purifying bodies or exhaust gas purifying cases. In an exhaust gas purification device provided with gas purifying bodies which purify an exhaust gas discharged by an engine, and a gas purifying housing which is provided with the gas purifying bodies therein, the exhaust gas purification device is structured such that a support bracket which supports the gas purifying housing is provided, a bolt hole is formed in the support bracket, an insertion guide is formed in the support bracket, and an attaching bolt is engaged with and disengaged from the bolt hole via the insertion guide.

Abstract: The present invention relates to device and method for reducing soot particles. The device for reducing soot particles includes a first filter provided to an exhaust gas flow passage through which exhaust gas from a diesel engine flows to have a predetermined volume of a plurality of grains to be operated as a volumetric filtration system, and a second filter provided to a predetermined position of the second filter to be operated as a surface filtration system.

Abstract: Non-woven mat including magnesium aluminum silicate glass fibers and amorphous refractory ceramic fibers, bio-soluble ceramic fibers, and/or heat-treated silica fibers. Embodiments of the nonwoven mat surprisingly have a Resiliency Value after three thermal cycles from 25° C. to 700° C./400° C. of the Real Condition Fixture Test at least 1.1 times greater than the Resiliency Value of a comparable non-woven mat consisting of any individual type of fibers of the non-woven mat. The non-woven mats are useful, for example, in pollution control devices and other thermal insulation applications.

Abstract: The present invention relates to a fiber mat, preferably a non-intumescent, polycrystalline, needle-punched or stitchbonded aluminia-silica fiber mat, which contains an organosilicon compound. The fiber mat comprises a fiber blanket which is essentially free of organic binder and which is impregnated with an organosilicon compound selected from the group consisting of siloxane compounds, alkoxy group-containing silanes, hydrolysates and condensates of these compounds, and combinations thereof. In a further embodiment the fiber mat comprises a high friction coating on at least the side of the mat which is to be brought in contact with a pollution control element of a pollution control device. Furthermore, the present invention relates to a pollution control device containing such a fiber mat.

Abstract: The flow of electricity to the case (4) of an electrically heated catalyst (1) is inhibited. The heating element (2), the case (4), and the electrically insulating inner pipe (3) provided between the heating element (2) and the case (4) and inner mats 51 and 52 that are shorter in the direction of the flow of exhaust gases than inner pipe (3) that are provided in a compressed condition between heating element (2) and inner pipe (3), and outer mats 53 and 54 that are shorter in the direction of the flow of exhaust gases than inner pipe (3) that are provided in a compressed condition between inner pipe (3) and case (4) are provided and the load per unit area acting upon inner pipe (3) at the contact surface between inner pipe (3) and outer mats 53 and 54 is larger than the load born per unit area of acting upon the heating element (2) at the contact surface between the inner mats 51 and 52 and heating element (2).

Abstract: A method for engine-out soot flow rate prediction of an exhaust gas treatment system is provided. A measured level of oxides of nitrogen in the exhaust gas treatment system is received. An engine fuel injection timing and air-fuel ratio of an engine producing the oxides of nitrogen are also received. An engine timing factor is determined based on the engine fuel injection timing. An engine air-fuel ratio factor is determined based on the engine air-fuel ratio. An engine-out soot flow rate prediction is generated based on the measured level of oxides of nitrogen, the engine timing factor, and the engine air-fuel ratio factor.

Abstract: A holding seal material made of a laminated mat configured by laminating a plurality of mats containing an inorganic fiber and having a rectangular planar shape so that longitudinal-direction lengths of the respective mats sequentially increase as the mats are laminated, in which the film is attached to a principal surface of the mat configuring the laminated mat and having a longest longitudinal-direction length on an opposite side to a side on which the mat having the longest longitudinal-direction length is in contact with other mats and longitudinal-direction side surfaces of the mat having the longest longitudinal-direction length, and the film is attached to a principal surface of the mat having the longest longitudinal-direction length on the side on which the mat having the longest longitudinal-direction length is in contact with other mats in a state in which a part of the principal surface is exposed.

Abstract: A holding sealing material includes a laminate of a plurality of mats and a film. The plurality of mats each include inorganic fibers and have a rectangular shape in a plan view. The plurality of mats are arranged in an order of longitudinal length from a shortest longitudinal length to a longest longitudinal length. The film is provided around a longest mat having the longest longitudinal length among the plurality of mats. The longest mat has a first main surface and a second main surface which is on a side opposite to the first main surface and which is in contact with a second longest mat. The film is adhered to the first main surface and longitudinal side surfaces of the longest mat and is adhered to the second main surface to allow the second main surface to be partly exposed.

Abstract: A ceramic honeycomb structure suitable for particulate filters, having an inlet face and an outlet face, comprising a plurality of inlet cells and a plurality of outlet cells extending through the structure from the inlet face to the outlet face, the inlet cells being open at the inlet face and closed where adjoining the outlet face, and the outlet cells being open at the outlet face and closed where adjoining the inlet face. The inlet and/or outlet cells are quadrangular in cross-section and are arranged in an alternating pattern; the outlet cells may have a cross-sectional area generally smaller than that of inlet cells and no point of a given inlet cell is closer to an adjacent inlet cell than to an adjacent outlet cell. A process for preparing the ceramic honeycomb structure is also disclosed.

Abstract: A catalyst converter having a retaining mat with a thickness wherein the apparent density during assembling becomes 0.25 g/cm3 or more and less than 0.51 g/cm3 and the outside diameter D1 of a catalyst retainer is set according to interference of the retaining mat in passing through a press-in tool and interference of the retaining mat after being pressed into a retaining tube. The retaining mat is formed of a non-expandable inorganic fiber sheet. A pressing force moves the catalyst retainer in the axial direction with respect to the retaining tube while the catalyst converter device is used with the length L2 along the longitudinal direction of the catalyst retainer in the retaining mat wound around the catalyst retainer being set longer than the winding diameter D1 of the retaining mat around the catalyst retainer so that a retaining force R greater than the pressing force F can be secured.

Abstract: A device for at least one self-heated and dense ceramic tube for gas separation. The device includes at least one dense ceramic tube in an environment accessible to a mixture of gases, the at least one tube acting as a diffusion membrane for separating at least one gas from the mixture of gases. Two electrical contacts are provided which allow connecting a power supply to the ceramic tube and driving an electric current through the ceramic tube. The contacts can be in the farm of short coils wrapped around the ceramic tube at difference places. When a voltage is applied to the contacts, an electrical current flows from one contact to the other through the ceramic tube. The current in the ceramic tube heats the tube. Thus, the tubes heat themselves. The hot tube allows separating a gas from the mixture of gases. The driving force for the diffusion is achieved by a pressure difference generated by pumping at the side of the separated gas and pressing at the side of the mixture of gases.

Abstract: An object of the present invention is to detect any breakdown or failure of a particulate filter more appropriately. A failure detecting apparatus for detecting failure of a particulate filter according to the present invention comprises an acquiring section which acquires an amount of PM contained in an exhaust gas allowed to outflow from the particulate filter; a regeneration process executing section which executes a filter regeneration process for oxidizing and removing PM deposited in the particulate filter; and a failure judging section which judges that the particulate filter is in the failure state if a decreased amount of the amount of PM contained in the exhaust gas acquired by the acquiring section, during a predetermined period of time as started from a point in time at which the execution of the filter regeneration process performed by the regeneration process executing section is completed, is not equal to or larger than a predetermined reference amount.

Abstract: An exhaust gas processing device includes a first cylindrical metallic member, an inorganic mat member, a second cylindrical metallic member, and an insulating layer. The inorganic mat member is wound around an outer periphery of the first cylindrical metallic member. The second cylindrical metallic member accommodates the first cylindrical metallic member around which the inorganic mat member is wound. The insulating layer have a thickness of about 20 ?m to about 400 ?m and is provided at at least one of a first part which is an inner surface of the first cylindrical metallic member, a second part between an outer surface of the first cylindrical metallic member and the inorganic mat member, and a third part between an inner surface of the second cylindrical metallic member and the inorganic mat member.

Abstract: An exhaust gas treatment system for an internal combustion engine is provided comprising an exhaust gas conduit, a particulate filter (“PF”) device, a hydrocarbon source and an electronic control module including operative logic which when implemented. The PF has a filter structure for removal of particulates in the exhaust gas and is selectively regenerated based on an amount of particulates trapped within the filter structure of the PF device. The control module is in communication with the internal combustion engine and the hydrocarbon source, and receives a regeneration signal indicating the amount of particulates trapped within the filter structure of the PF device. The electronic control module includes control logic for monitoring the internal combustion engine prior to a regeneration event. The electronic control module includes control logic for determining a plurality operating parameters of the internal combustion engine based on the monitoring.

Abstract: The present invention aims to provide a honeycomb structure capable of preventing a plugging failure and forming cracks by heat shock which are caused by a cell having a small cross-section.