Entries |
Document | Title | Date |
20080196400 | Process and Apparatus for Treating Exhaust Gas of an Internal Combustion Engine and Vehicle Having the Apparatus - A process and an apparatus for treating exhaust gas from an internal combustion engine include at least two exhaust-gas treatment modules. An exhaust gas stream can be at least partly deflected depending on a load state of the internal combustion engine in such a way that at least parts of the exhaust gas flow through one or more modules. This makes it possible to advantageously construct and operate even an exhaust gas system of large-volume internal combustion engines, in which conversion and treatment of the exhaust gas is carried out in individual modules, even in no-load operation, basically at very low exhaust gas mass flow rates. The individual modules can be adapted to various load levels of the internal combustion engine. A rail-borne vehicle and a water-borne vehicle having the apparatus are also provided. | 08-21-2008 |
20080209898 | Fumes Treatment System - A fumes treatment system is provided for exhaust gases of internal combustion engines, for example. The system includes a housing inside which a series of elements are provided for intercepting the flow of fumes. The elements are such that they do not completely take up the internal cross-section of the housing and are provided with or leave such discontinuities as to create a tortuous path for the fumes to be treated. | 09-04-2008 |
20080245060 | Particle Filter Arrangement - A particle filter arrangement for filtering exhaust gases of an internal combustion engine such as a diesel internal combustion engine, includes an inlet and an outlet and at least one particle filter arranged in the flow path of the exhaust gases between the inlet and outlet. The exhaust gases are conducted in a line, with the line having a first segment in which the exhaust gases are conducted substantially in the direction of the outlet. The line has a second segment in which the exhaust gases are conducted substantially in the direction of the inlet. An operating temperature of the arrangement sufficiently high to prevent full loading of the filter is generated particularly quickly in that the line also includes a third segment in which the exhaust gases are conducted substantially in the direction of the outlet. | 10-09-2008 |
20080256938 | Explosion protection system with integrated emission control device - The exhaust system of an internal combustion engine includes a duct having an input end coupled to the engine for passing and processing the exhaust gases and fumes emitted by the engine such that the duct functions as an anti-explosion and fire arrester device. The duct includes a reinforced filter structure securely and firmly mounted within and across the duct opening. The filter structure is coated with a noble metal to enhance oxidation of the gases and fumes passing through the duct. An insulator layer is attached about and along the outer surface of the duct and a jacket for carrying a coolant is mounted above and about the insulator layer. The insulator layer isolates the coolant from the duct to ensure that the temperature on the external side of the jacket is less than a predetermined value. Simultaneously, the insulator layer isolates the duct from the coolant to enable the temperature within the duct to have a sufficiently high value to sustain oxidation of the gases and fumes. The input end of the duct may be connected to the engine via a first heat exchanger and the exhaust end of the duct may be connected by additional heat exchangers to the exhaust system output. | 10-23-2008 |
20080264050 | Exhaust Gas Control Apparatus - An exhaust gas control apparatus that includes a pressure difference sensor that detects the difference in pressure between the upstream side and the downstream side of a particulate filter (DPNR catalyst), which captures particulate matter that is present in exhaust gas. In the exhaust gas control apparatus, the pipes that introduce the pressure to the pressure difference sensor include an upstream pipe that introduces the pressure on the upstream side of the particulate filter to the pressure difference sensor. The upstream pipe includes an expanded pipe portion, which has an inner diameter greater than that of the portion of the upstream pipe near the pressure difference sensor, near the particulate filter. With this configuration, the deposition of particulate matter, soot, soluble organic fractions, and the like in the upstream pipe is suppressed, which minimizes clogging of the upstream pipe. | 10-30-2008 |
20080282688 | ENGINE GAS TEMPERATURE REDUCTION - An exhaust system for a motor vehicle engine includes mixing vent flaps in the exhaust pipe which open responsive to exhaust temperature. The vent flap forms a portion of the exhaust pipe when closed and is pivotally attached along one edge to the exhaust pipe to open inwardly into the exhaust pipe to constrict and accelerate flow in the pipe to allow outside air to be drawn into the exhaust pipe. A magnetic catch latches the vent flap in its closed position and a magnetic release responsive to increased temperature of the exhaust stream releases the vent flap. | 11-20-2008 |
20080307780 | EMISSION ABATEMENT ASSEMBLY HAVING A MIXING BAFFLE AND ASSOCIATED METHOD - An emission abatement assembly includes a fuel-fired burner having a combustion chamber and a particulate filter positioned downstream of the fuel-fired burner. A mixing baffle is positioned between the fuel-fired burner and the particulate filter. | 12-18-2008 |
20090000284 | Ash reduction system using electrically heated particulate matter filter - A control system for reducing ash comprises a temperature estimator module that estimates a temperature of an electrically heated particulate matter (PM) filter. A temperature and position estimator module estimates a position and temperature of an oxidation wave within the electrically heated PM filter. An ash reduction control module adjusts at least one of exhaust flow, fuel and oxygen levels in the electrically heated PM filter to adjust a position of the oxidation wave within the electrically heated PM filter based on the oxidation wave temperature and position. | 01-01-2009 |
20090013674 | Exhaust Gas Purifier - The present invention provides an exhaust gas purifier capable of appropriately purifying harmful components discharged even from an internal combustion engine or a combustion instrument operated mainly in excess-air conditions. Particularly, the exhaust gas purifier is capable of appropriately removing nitrogen oxides, particulate matters including soot, etc. and in addition, capable of maintaining its purification capability without reduction. the exhaust gas purifier has, in the exhaust passage ( | 01-15-2009 |
20090019844 | Exhaust Gas Purification System Utilizing Ozone - An exhaust gas purification system provided with a trapping device ( | 01-22-2009 |
20090031715 | Engine system, operating method and control strategy for aftertreatment thermal management - A method of operating an internal combustion engine system includes passing exhaust gases from an engine to an aftertreatment device such as a particulate filter at an exhaust temperature less than a target temperature, and increasing a temperature of exhaust gases passing through the aftertreatment device to the target temperature by controllably restricting exhaust flow upstream the filter. The method still further includes generating a signal indicative of exhaust back pressure and reducing exhaust pressure by selectively reducing airflow to the engine responsive to the signal. An internal combustion engine system and associated control system includes an electronic control unit configured to selectively increase a temperature of exhaust gases passing through a particulate filter to a regeneration temperature via a variable flow restriction device. The electronic control unit is further configured to reduce exhaust pressure upstream the flow restriction device by commanding adjusting an intake airflow control element for the engine responsive to a signal corresponding to exhaust back pressure. | 02-05-2009 |
20090107127 | System for treating exhaust gas - A system for treating exhaust gas from an engine is disclosed. The system may include a housing having an inlet port and an outlet port and defining a flow path therebetween. A fluid treatment element may be arranged in the flow path and configured to treat exhaust gas. A conduit may be fluidly connected with at least one of the housing ports and may have first and second tubular portions. The first portion may have a first cross-section with an inner diameter, and the second portion may have a generally elongated second cross-section with an inner width and an inner length. The inner length of the second cross-section of the conduit may be smaller than the inner diameter of the first cross-section of the conduit, and the inner width of the second cross-section of the conduit may be greater than the inner diameter of the first cross-section of the conduit. | 04-30-2009 |
20090120081 | EXHAUST GAS TREATMENT SYSTEM - An exhaust gas aftertreatment system having a housing and a plurality of separate diesel particulate filter bricks disposed in the housing. A first one of such bricks is disposed upstream of a second one of the bricks. The second one of the bricks has channels with closed downstream ends and open upstream ends and channels with closed upstream ends and open downstream ends and the upstream brick has channels with closed downstream ends and open upstream ends and bypass channels with open upstream ends and open downstream ends. | 05-14-2009 |
20090205327 | Helical Exhaust Passage - A system for treating exhaust gasses from an engine is described. The system includes, the exhaust gasses routed from the engine to atmosphere through a helical exhaust passage, the system comprises an exhaust passage that receives an exhaust flow injected with a liquid reductant, the helical exhaust passage including a plurality of exhaust passages that separates the exhaust flow into separated smaller flows, wherein the smaller flows are re-introduced into a common passage and combine to form a single exhaust flow, and wherein the orientation of the plurality of exhaust passages impels the single exhaust flow to exhibit a helical flow pattern. | 08-20-2009 |
20090235653 | PARTICULATE MATTER FILTER ASSEMBLY WITH A FLOW DEVICE - A particulate matter (PM) filter assembly includes a PM filter that filters PM from an exhaust stream and that includes an entry face facing a first direction of flow of the exhaust stream, and a swirl element disposed in the exhaust stream and that includes a blade that directs a portion of the exhaust stream in a second direction of flow that is different than the first direction of flow. The blade directs the portion of the exhaust stream to distribute the exhaust stream over a frontal area of the entry face of the PM filter. A related method of filtering particulate matter from an exhaust stream is also provided. | 09-24-2009 |
20090241525 | Systems, devices, and/or methods for recuperating energy and/or particulates - Certain exemplary embodiments provide an energy and particle recuperator (EPR) for dirty gas fluids and/or gas solids fluid mixes. Gas fluids and/or gas solids fluid mixes stream through a vessel. Heat contained in the gas fluids and/or gas solid fluid mixes is partially transferred to a liquid spray fluid sprayed inside the vessel. Heat is transferred from the liquid to a clean process fluid via a heat exchanger. | 10-01-2009 |
20090272107 | Exhaust Gas Purification Apparatus for Internal Combustion Engine - An exhaust gas control apparatus ( | 11-05-2009 |
20090277164 | BURNER ASSEMBLEY FOR PARTICULATE TRAP REGENERATION - An exhaust treatment system is provided. The system may include a particulate trap configured to remove one or more types of particulate matter from an exhaust flow, the exhaust flow including at least a portion of a totality of exhaust gases produced by an engine. The system may further include a burner assembly configured to increase a temperature of gases in the exhaust flow at a location upstream from the particulate trap. The burner assembly may include an exhaust inlet oriented in a direction along a first axis and configured to direct the exhaust flow into the burner assembly and an exhaust outlet oriented in a direction along a second axis at an angle relative to the first axis, the exhaust outlet being configured to direct the exhaust flow out of the burner assembly toward the particulate trap. The burner assembly may also include a fuel injector having a longitudinal axis in substantial alignment with the second axis. In addition, the burner assembly may include a cylindrical combustion chamber member defining a combustion chamber, having a longitudinal axis in substantial alignment with the longitudinal axis of the fuel injector, and configured to house a flame that is fueled by the fuel injector within the combustion chamber. The burner assembly may further include an exhaust flow distribution member configured to substantially evenly distribute exhaust about the combustion chamber member and in a heat exchange relation to the combustion chamber member. | 11-12-2009 |
20090293463 | Exhaust system having thermophoretic particulate agglomerator - An exhaust system for use with a combustion engine is disclosed. The exhaust system may have a passage connected to receive exhaust from the combustion engine, and a cooling device located external to the passage to create a thermal gradient across a flow area of the passage that causes particulates within the exhaust to agglomerate on a wall of the passage. The exhaust system may also have a filtration device located to separate agglomerated particulates from the exhaust. | 12-03-2009 |
20090293464 | Assembly and method of assembly for exhaust treatment - An exhaust treatment assembly is provided, which includes a plurality of first grid members. The assembly also includes a plurality of second grid members engaged with the first grid members, the grid members are arranged to form spaces. A plurality of exhaust filter elements is disposed in the spaces and forms an exhaust filter block. A first side wall is engaged with the first grid members, and is adjacent a first edge of the filter block. A second side wall is engaged with the second grid members, and is adjacent a second edge of the filter block. An insulator is located between the first side wall and the first edge of the filter block, and located between the second side wall and the second edge of the filter block. | 12-03-2009 |
20090301071 | LOW RESTRICTION HYDROCARBON TRAP ASSEMBLY - A hydrocarbon adsorption assembly for an air induction system is disclosed. The hydrocarbon adsorption assembly includes a fluid conduit having an outer surface and a spaced apart inner surface to form a fluid path therein, the conduit including a recessed area formed in the inner surface thereof. A hydrocarbon trap is disposed in the recessed area of the fluid conduit to adsorb hydrocarbons passing through the conduit. The recessed area and the hydrocarbon trap cooperate to cause a portion of an air flowing through the flow path of the conduit to flow through the hydrocarbon trap to facilitate a purging thereof. | 12-10-2009 |
20090308060 | Process for purifying exhaust gases and apparatus for purifying exhaust gases - A process for purifying exhaust gases includes the steps of collecting PMs, forcibly exhausting PMs, and purifying PMs. In the step of purifying PMs, PMs in exhaust gases are collected with a filter. In the step of forcibly exhausting PMs, PMs, which are collected on the filter, are exhausted by blowing a pressurized gas onto the filter, thereby forming PMs-containing gases. In the step of purifying PMs, PMs, which are contained in the PMs-containing gases, are purified by contacting an oxidizing agent with the PMs-containing gases, thereby removing the PMs from the PMs-containing gases by means of oxidation. | 12-17-2009 |
20100024407 | Emissions control filter assembly and system - A removable exhaust treatment unit for an aftertreatment assembly is provided. The removable exhaust treatment unit include a housing, at least one exhaust treatment element coupled within the housing, and a flange on one end of the housing. The removable exhaust treatment unit also includes a plurality of apertures on the flange configured to receive a plurality of fasteners. The removable exhaust treatment unit further includes at least one handle coupled to the flange. | 02-04-2010 |
20100050619 | Nanotechnology Based Heat Generation and Usage - Carbon nanotube material dispersed in a dense material such as ceramic can produce heating when exposed to microwave radiation (e.g., electromagnetic radiation in the frequency range of approximately 0.3 GHz to 300 GHz). By changing the loading of carbon nanotube material within a ceramic medium, one can affect the heating capability of the medium in dramatic and unpredicted fashion. This finding can be used to implement heating devices that heat via conduction or through radiation (e.g., infrared heating). | 03-04-2010 |
20100058749 | EXHAUST EVACUATION APPARATUS - An apparatus for evacuating exhaust from an exhaust pipe of a vehicle having an external turbine and an internal turbine connected to the external turbine such that when the external turbine rotates the internal turbine rotates. | 03-11-2010 |
20100071356 | MAT PRODUCT, MANUFACTURING METHOD OF THE MAT PRODUCT, EXHAUST GAS TREATING APPARATUS, AND MUFFLER APPARATUS - A mat product, includes a mat member including inorganic fibers and having a full length Lm; and a package member having an full length Lr; wherein the mat member is received in an inside space of the package member; the inside space of the package member is in gas-communication with an outside environment; and the full length Lr of the package member is greater than the full length Lm of the mat member and thereby the mat member can move in the inside space along a full length direction. | 03-25-2010 |
20100083645 | METHOD FOR OBTAINING A POROUS STRUCTURE BASED ON SILICON CARBIDE - The invention relates to a process for obtaining a structure made from a porous ceramic material comprising at least 95% of silicon carbide SiC, said process being characterized in that said structure is obtained from a mixture of SiC grains comprising at least:
| 04-08-2010 |
20100083646 | DECOUPLING ELEMENT - A decoupling element ( | 04-08-2010 |
20100132346 | Exhaust-gas cooler for an internal combustion engine - An exhaust-gas cooler for an internal combustion engine has a plurality of flow channels which conduct exhaust gas. The flow channels are arranged within a housing ( | 06-03-2010 |
20100139261 | Exhaust Gas Filter System - An exhaust gas filter system in which an asymmetrical channel, in which the diameter of an inlet being opened is larger than that of an outlet disposed and opened at a rear end surface, is formed, may include a first coating layer that is formed at an inner surface of a front portion of the channel by coating a first wash coat, and a second coating layer that is formed at an inner surface of a rear portion of the channel by coating a second wash coat, wherein inner cross section of the front portion is wider than inner cross section of the rear portion. | 06-10-2010 |
20100186395 | APPARATUS FOR COOLING OVERHEATED GAS IN ENGINE ROOM - An apparatus for cooling overheated gas generated from a diesel particulate filter which is connected between a diesel engine and an exhaust pipe of the diesel engine is disclosed. The apparatus includes a tail pipe for discharging outwardly the overheated gas discharged from the diesel particulate filter, a cooling fan, provided at one side of an engine room, for generating an air stream by sucking ambient air, and a diffuser enclosing an outer circumference of the tail pipe in such a way a space is formed between the diffuser and the tail pipe to prevent the diffuser from directly contacting the tail pipe. The engine room is provided with a through-hole penetrating one side of the engine room, and the tail pipe has one end connected to the diesel particulate filter, and the other end extended outwardly from the engine room through the through-hole. | 07-29-2010 |
20100199649 | APPARATUS FOR REMOVING SOOT FROM DIESEL ENGINE EXHAUST STREAMS AT TEMPERATURES AT OR BELOW 150.degree. C - An apparatus for removing soot from diesel engine exhaust streams at temperatures below 150° C. is provided. Although the use of particulate filters for removing carbonaceous soot from such exhaust streams is known, such systems are either active or operate under high temperatures, i.e. in excess of 300° C. The claimed apparatus includes a flow through support device composed of ceramic, such as cordierite or silicon carbide, or a primarily nonferrous metal or stainless steel and coated with an oxide formation comprising hematite and bixbyite in a ratio from 1:1 to 9:1. The claimed apparatus can also include a diesel particulate filter coated with a coating comprising tin, aluminum and zirconium oxides prepared by a co-precipitation process and thereafter coated with platinum or other precious metal. | 08-12-2010 |
20100218489 | METHOD FOR CHECKING THE COMPLETENESS OF A REGENERATION OF A PARTICLE FILETER IN THE EXHAUST GAS OF AN INTERNAL COMBUSTION ENGINE - Proposed is a method for assessing the completeness of a regeneration of a particle filter which is traversed by the exhaust gas of an internal combustion engine, wherein a pressure difference which is generated across the particle filter when a flow passes through the particle filter is measured and evaluated for the assessment. The method is characterized in that a time derivative of the measured pressure difference is formed and the assessment of the completeness of the regeneration takes place as a function of the time derivative. | 09-02-2010 |
20100223921 | HYDROCARBON RETAINING AND PURGING SYSTEM - Methods and systems are provided for operating an engine having a hydrocarbon retaining system and an emission control device coupled to an engine exhaust, the engine exhaust comprising a venturi. One example method comprises, during a storing condition, routing exhaust gas through the venturi without generating a venturi action, and then to the hydrocarbon retaining system, while bypassing the emission control device, to store hydrocarbons in the hydrocarbon retaining system, and during a purging condition, routing exhaust gas through the venturi while generating venturi action, then to the emission control device, and then to the hydrocarbon retaining system, to purge stored hydrocarbons, wherein a flow of purged hydrocarbons is drawn back to the venturi via venturi action. | 09-09-2010 |
20100242455 | PARTICULATE MATTER CONCENTRATION MEASURING APPARATUS - A particulate matter concentration measuring apparatus configured to measure a particulate matter concentration in exhaust gas includes an exhaust gas extraction line that is branched from an exhaust line and has a flow passage cross-sectional area smaller than that of the exhaust line, a particulate matter detection filter provided in the exhaust gas extraction line and configured to catch particulate matter, a heating unit configured to heat the caught particulate matter, and a differential pressure detection unit configured to detect a differential pressure generated between an inlet and an outlet of the particulate matter detection filter. The heating unit is configured to apply about 50% or more of a calorific value for heating the particulate matter to an area making up about 30% of the particulate matter detection filter on an upstream side of an exhaust gas flow. | 09-30-2010 |
20100242456 | PARTICULATE MATTER CONCENTRATION MEASURING APPARATUS - A particulate matter concentration measuring apparatus configured to measure concentration of particulate matter in exhaust gas passing through an exhaust line includes an exhaust gas collecting line branched from the exhaust line, a particulate matter detection filter provided in the exhaust gas collecting line, a differential pressure sensor configured to sense differential pressure between an inlet and an outlet of the particulate matter detection filter, a passage wall disposed so that the exhaust gas flows to a downstream side of the particulate matter detection filter, an inlet side passage through which the exhaust gas flows into the particulate matter detection filter in the passage wall, and an outlet side passage through which the exhaust gas flows out from the particulate matter detection filter. The outlet side passage has an outlet side cross-sectional area approximately 1.0 times or more larger than an inlet side cross-sectional area of the inlet side passage. | 09-30-2010 |
20100242457 | PARTICULATE MATTER CONCENTRATION MEASURING APPARATUS - A particulate matter concentration measuring apparatus is configured to measure a concentration of particulate matter in exhaust gas flowing through an exhaust line of a diesel engine. The apparatus includes an exhaust gas extraction line diverging from the exhaust line and having a flow passage cross-sectional area smaller than a flow passage cross-sectional area of the exhaust line. A particulate matter detection filter has a cell wall and is provided in the exhaust gas extraction line. A flow velocity of the exhaust gas passing through the cell wall is more than or equal to approximately 0.02 m/s and less than or equal to approximately 2.0 m/s. A differential pressure sensing part is configured to sense a differential pressure generated between an inlet and an outlet of the particulate matter detection filter. | 09-30-2010 |
20100242458 | EXHAUST GAS CLEANER - An exhaust gas cleaner which can attain an improvement in the efficiency of particulate filter regeneration and has excellent durability. The exhaust gas cleaner, which purifies an exhaust gas discharged from an internal combustion engine, comprises: a gas channel through which the exhaust gas flows; and a DPF ( | 09-30-2010 |
20100269494 | EXHAUST GAS TREATMENT APPARATUS - An hydraulic excavator is provided with an exhaust gas treatment apparatus in an exhaust pipe for effecting the purification treatment of exhaust gas including capturing the particulate matter in the exhaust gas. A space provided for mounting and removing a filter accommodating cylinder ( | 10-28-2010 |
20100275587 | Engine Compartment Arrangement For Cleaning Diesel Particulate Filter - An engine compartment arrangement for an agricultural harvester comprises an engine ( | 11-04-2010 |
20100300082 | DIESEL PARTICULATE FILTER - A diesel particulate filter assembly having a housing and a filter structure disposed within the housing for trapping particulate material in received exhaust gas as such received exhaust gas passes through the housing along a longitudinal axis of the housing. The filter structure has walls of particulate collecting, gas passing material. The walls pass portions of the exhaust gas while trapping particulate material in such passing exhaust gas. The walls are disposed the oblique to the direction of the received exhaust gas. | 12-02-2010 |
20100300083 | EXHAUST GAS COMBUSTION DEVICE AND POWER GENERATOR INCLUDING THE SAME - Provided is an exhaust gas combustion device which is capable of early prevention of clogging, and also a power generator including the device. An exhaust gas combustion device of the present invention includes: a DPF; a sensor which measures the pressure of exhaust gas to be introduced into the DPF; a sensor which measures the pressure of exhaust gas purified by the DPF; and a controller which receives outputs from both sensors and calculates a pressure difference. When the pressure difference is equal to or larger than a preset threshold, the heater is supplied with power from a power generating unit to thereby heat exhaust gas. Accordingly, PM accumulated inside the DPF is combusted and removed, preventing excessive clogging of the DPF even during light-load operation. | 12-02-2010 |
20100319331 | Diesel Particulate Filter Regeneration System Including Shore Station - The present disclosure relates to a diesel exhaust treatment device including a catalytic converter positioned upstream from a diesel particulate filter. An electric heater is positioned between the catalytic converter and the diesel particulate filter. A shore station can be used to provide power and combustion air to the diesel exhaust treatment device during regeneration of the diesel particulate filter. | 12-23-2010 |
20100319332 | METHOD FOR THE COATING OF A DIESEL PARTICLE FILTER AND DIESEL PARTICLE FILTER PRODUCED THEREBY - To equip a diesel particle filter with a zeolite-containing coating uniformly over the entire length of the particle filter and with a further zeolite-free coating which is applied, from the entry side of the filter, solely up to a specific length of the filter, it is proposed, first, to apply the zeolite-free coating from the entry side of the filter and only thereafter to apply the zeolite-containing coating over the entire length of the filter from the exit side of the filter. As a result of this sequence of coatings, a better adhesive strength of the coatings than when both coatings are applied from the entry side is ensured. | 12-23-2010 |
20110000198 | FILTER AND PROCESS OF USE TO PRODUCE CARBON NANOTUBES FROM AUTOMOTIVE EXHAUSTS - We disclose a novel filter and process that converts the wastes in automotive exhausts into carbon nanotubes. The filter surface is composed of iron of similar catalyst. The filter is placed along the pathway of exhaust streamlines preferably at an angle of more than 5° and less than 15°. The filter is heated to temperatures in the range of 200-1000° C. The filter described in this invention can work in its won or supplement existing filtration systems. The end product of this filtration system is a material that is commercially valuable. The synthesized carbon nanotubes are purified using ionic liquid solution that is capable of removing undesirable carbonated material and leaving 95% purified carbon nanotubes. The purified carbon nanotubes have a diameter of 20-50 nm and a length of 1-10 micro meters. | 01-06-2011 |
20110000199 | CONSTRUCTION MACHINE - An upstream cylinder ( | 01-06-2011 |
20110030357 | GAS FILTER STRUCTURE HAVING A VARIABLE WALL THICKNESS - The invention relates to a gas filter structure for filtering particulate-laden gases, of the honeycomb type and comprising an assembly of longitudinal adjacent channels of mutually parallel axes separated by porous filtering walls, said channels being alternately blocked off at one or the other of the ends of the structure so as to define inlet channels and outlet channels for the gas to be filtered and so as to force said gas to pass through the porous walls separating the inlet and outlet channels, said structure being characterized in that the inlet and outlet channels share between them at least one wall of constant average thickness d over the entire length of the filter structure, in that the inlet or outlet channels share between them at least one wall of constant average thickness e over the entire length of the filter structure and in that the e/d ratio is strictly greater than 1. | 02-10-2011 |
20110067388 | DIESEL PARTICULATE FILTRATION (DPF) SYSTEM - A fiber-paper based Diesel particulate Filtration (DPF) apparatus possessing high filtration efficiency and a high porosity, the apparatus comprising at least two rollers capable of rotating over rotors with the help of a controlled motor and capable of supplying fiber paper at the exhaust gas inlet. As the exhaust gas moves over the fiber paper supplied from one of the rollers, the soot gets gradually collected on the fiber paper and keeps on increasing the backpressure thereon. The moment when the backpressure increases beyond a limit, the loaded section of the fiber paper is replaced by fresh fiber paper from the other roller. The loaded fiber is sent to an off-board regeneration facility for regeneration. | 03-24-2011 |
20110072807 | Combined Exhaust Gas Aftertreatment/Air Cleaner Dust and Ejector Unit - A combined exhaust gas aftertreatment/dust ejector unit ( | 03-31-2011 |
20110072808 | EXHAUST GAS RECIRCULATION SYSTEM - An exhaust gas recirculation system is provided that includes an internal combustion engine, which is supplied with exhaust gas, diverted at a removal point and returned via a return point and/or charge air, having a heat exchanger arranged between the removal point and the return point, for the returned exhaust gas and/or the charge air, and having an exhaust gas recirculation valve, by means of which the amount of returned exhaust gas and/or charge air can be regulated. To provide an exhaust gas recirculation system, which has a simple structure and can be manufactured cost-effectively, the exhaust gas recirculation valve is connectable between the removal point and the heat exchanger. | 03-31-2011 |
20110113766 | Vehicular Back Processing System - An exhaust gas post-treatment system for a vehicle is provided, which in the course of regeneration ascertains whether or not there is any object approaching a body of the vehicle from behind. A filter is arranged in an exhaust passage of an engine to trap PM therein. A trapped and deposited PM amount sensing device senses a deposited amount of PM deposited in the filter. A fuel injector burns and removes PM deposited in the filter to conduct regeneration of the filter. A rearward monitoring camera monitors a scene rearward of a vehicle body. A display module displays monitoring information from the rearward monitoring camera, and a controller having a regeneration processing unit executes control processing to actuate the fuel injector and to perform regeneration. The controller includes a display continuation processing unit for executing control processing such that during the regeneration by the fuel injector, the monitoring information from the rearward monitoring camera is continuously displayed on a display screen of the display module. | 05-19-2011 |
20110120104 | EXHAUST GAS PURIFIER - In an exhaust gas purifier provided in an engine, a filter regeneration control recovering a PM collecting capacity of filter means on the basis of a chemical reaction can be efficiently executed by a simple structure. An exhaust gas purifier in accordance with the present invention is provided with a particulate filter ( | 05-26-2011 |
20110138794 | Exhaust Gas Purifying Device - An exhaust gas purifying device includes: a first case housing a soot filter for purifying exhaust gas; second and third cases that are respectively placed on an upstream side and a downstream side of the first case in an exhaust gas flowing direction; and a differential pressure sensor that detects pressure difference between the upstream side and the downstream side of the soot filter, in which pipes are respectively attached to the first case and one of the second and third cases placed on the upstream side or the downstream side of the first case, the pipes introducing pressures inside the first case and the one of the second and third cases to the differential pressure sensor. For instance, with the pipes having different dimensions, when the first case is erroneously oriented for assembly, the dimensions of the pipes are too short or too long. Accordingly, such an erroneous connection can be avoided. | 06-16-2011 |
20110154809 | ENGINE DEVICE - Disclosed is an engine device in which a diesel particulate filter is disposed, with high rigidity, in an engine as one constituent part of the engine, the need for countermeasures against exhaust gas for each of the devices of a vehicle is eliminated, and general versatility of the engine can be enhanced. The engine device includes an engine having an exhaust manifold, and an exhaust gas purifying device which purifies exhaust gas discharged from the engine. A plurality of filter supporting bodies which support the exhaust gas purifying device | 06-30-2011 |
20110154810 | ENGINE DEVICE - There is provided an engine device in which a gas purifying filter can be disposed, with high rigidity, in an engine as one of constituent parts of the engine, the need of countermeasures against exhaust gas for each of devices such as vehicles is eliminated, and general versatility of the engine can be enhanced. The engine device includes an engine having an exhaust manifold, and a gas purifying filter which purifies exhaust gas discharged from the engine, front and rear engine leg mounting portions provided on one side surface of the engine include front and rear filter supporting bodies which support the gas purifying filter, the gas purifying filter includes the front and rear filter supporting bodies, and the front and rear filter supporting bodies are connected to the front and rear engine leg mounting portions. | 06-30-2011 |
20110162354 | EXHAUST PURIFICATION DEVICE OF INTERNAL COMBUSTION ENGINE - Particles smaller than 50 nanometers emitted from an internal combustion engine, and serving as nuclei for forming PM (particulate matter), are removed to decrease the number of PM particles that are emitted to atmosphere. High efficiency filters are provided in passages that feed fluids into the combustion chamber, e.g., intake air, fuel and engine oil, in order to remove particles smaller than 50 nanometers serving as nuclei for forming PM. | 07-07-2011 |
20110167807 | EXHAUST GAS PURIFYING DEVICE - A general purpose property of an exhaust gas purifying device for mounting is improved by increasing the attaching pattern of an exhaust gas purifying device, in the case that the exhaust gas purifying device is attached to a diesel engine. An exhaust gas purifying device is provided with gas purifying filters purifying an exhaust gas discharged from a diesel engine, inner cases internally provided with the gas purifying filters, and outer cases internally provided with the inner cases. An exhaust gas inlet pipe having an exhaust gas inlet side is provided in the midstream portion in a longitudinal direction of the outer case. An exhaust gas inflow port is provided in one end side in a longitudinal direction of the catalyst outer case. An exhaust gas outlet side of the exhaust gas inlet pipe is structured such as to be connected to the exhaust gas inflow port of the catalyst outer case. | 07-14-2011 |
20110167808 | ENGINE WITH EXHAUST GAS TREATMENT APPARATUS - An object of the present invention is to provide an engine having an exhaust gas treatment apparatus attached thereto, wherein an exhaust pipe | 07-14-2011 |
20110167809 | ENERGY RECOVERING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - An engine arrangement including an internal combustion engine and an energy recovering system includes an exhaust line collecting exhaust gas from the engine, | 07-14-2011 |
20110173962 | Heat Retention/Cooling Control Device for PM Filter Device - Provided is a heat retention/cooling control device for a PM filter device, which controls the temperature of the outer periphery of the PM filter device to ensure an efficient burning in the PM filter device and prevents the influence of heat damage on the periphery of the PM filter device by effectively using moving air. An engine room and a cooling passage which are demarcated by a partition wall are provided in parallel in the front-back direction of an work machine, and an aftercooler, a cooling fan, and a PM filter device are provided in the cooling passage. When the exhaust temperature of exhaust gas is lower than a target temperature when PM is burned, the air volume of the cooling fan is controlled so as to decrease, thereby increasing the exhaust gas temperature. When the exhaust temperature of the exhaust gas is higher than the target temperature, the air volume of the cooling fan is controlled so as to increase, thereby enhancing the effect of cooling the outer periphery of the PM filter device. | 07-21-2011 |
20110185711 | TEXTURED PARTICULATE FILTER FOR CATALYTIC APPLICATIONS - The subject of the invention is a catalytic filter for the treatment of solid particles and gaseous pollutants coming from the combustion gases of an internal combustion engine, comprising a porous matrix forming an assembly of longitudinal channels separated by porous filtering walls based on or consisting of silicon carbide or aluminum titanate in the form of interconnected grains. The filter according to the invention is characterized in that:
| 08-04-2011 |
20110197571 | METHOD AND ARRANGEMENT FOR DETECTING PARTICLES - The present invention relates to a method for detecting particles and a particle sensor arrangement. More specifically, the present invention relates to a method and arrangement for detecting particles in a gas flow, e.g. from a diesel combustion engine. The method comprises the steps of; forcing a particle build up on a sensor element of a particle sensor arrangement by regulating the sensor element to a second temperature; wherein the second temperature is lower than a first temperature, the first temperature being the gas flow temperature. Additionally is the particle build up detected at the sensor element by means of a detector. The present invention provides for an accurate method and arrangement to detect and thereby measure particles present in a gas flow, e.g. from a combustion engine. | 08-18-2011 |
20110296820 | ENGINE EXHAUST GAS TREATMENT DEVICE INCLUDING ELECTRICALLY ACTUATED HYDROCARBON ADSORBER BYPASS VALVE - An engine exhaust gas treatment device may include a housing, a hydrocarbon adsorber, an adsorber bypass passage, and a bypass valve assembly. The hydrocarbon adsorber may be located within the housing and may define a first flow path between an exhaust gas inlet and an exhaust gas outlet of the housing. The adsorber bypass passage may define a second flow path between the exhaust gas inlet and the exhaust gas outlet. The bypass valve assembly may include a bypass valve and an electric actuation mechanism engaged with the bypass valve. The bypass valve may be displaceable between open and closed positions by the electric actuation mechanism. | 12-08-2011 |
20120000191 | Hydraulic Driving Device for Work Machine - Disclosed is a hydraulic drive system for a working machine, which enables to conduct forced regeneration continuously for a sufficient time. Based on an input of a lock detection signal S | 01-05-2012 |
20120067034 | Exhaust Aftertreatment System, And Engine Service Package Having Fuel Filtering Mechanism - An exhaust aftertreatment system includes a combustion head housing defining a plenum, and an air supply system including an air conduit fluidly connected with the plenum. The aftertreatment system further includes a fuel system having a fuel supply housing defining a fuel passage, a control valve positioned within the fuel passage and a fuel filtering mechanism having a filtering component positioned within the fuel passage fluidly between a fuel inlet and the control valve. A nozzle is mounted within the combustion head housing and defines a nozzle outlet, and a fuel conduit extends between the fuel supply housing and the combustion head housing. The control valve includes an open state in which the fuel system defines an unobstructed fuel flow path from the fuel inlet to the nozzle outlet. A non-serviceable fuel filtering mechanism is coupled with the combustion head housing, and a serviceable fuel filtering mechanism is reversibly coupled with the combustion head housing and positioned upstream the non-serviceable fuel filtering mechanism. In a related aspect, a diesel engine service package includes a fuel filtering mechanism having a threaded body component and a filtering component having a cup shape and being formed of a sintered metallic filter medium. | 03-22-2012 |
20120079818 | FILTRATION ARRANGEMENT FOR AN EXHAUST AFTERTREATMENT SYSTEM FOR A LOCOMOTIVE TWO-STROKE DIESEL ENGINE - A diesel locomotive filter arrangement for maintaining elements used to filter particulate matter generated by diesel engines. Servicing the filters is accomplished in a modular fashion through either the complete aftertreatment system and/or the individual elements in-situ. As to the in-situ arrangement, modularity is accomplished without structural liability to the system and with minimum system joint breakage. As to the complete system arrangement, modularity is accomplished via residing the entirety of the aftertreatment system on a support tray which is removable with minimum connection separation. | 04-05-2012 |
20120102932 | EXHAUST GAS PURIFICATION DEVICE - Inner cases are connected to outer cases through joining flanges which protrude toward outer peripheries of the outer cases. A plurality of combinations each including filters, the inner cases, and the outer cases are provided. Both the joining flanges are sandwiched and fixed between a pair of sandwiching flanges, thereby connecting the plurality of outer cases to each other. | 05-03-2012 |
20120124977 | EXHAUST GAS POST PROCESSING SYSTEM - An exhaust gas post processing system may include an exhaust line for an exhaust gas exhausted from an engine to pass, a gasoline particulate filter that is disposed on the exhaust line to filter harmful materials included in the exhaust gas, a bypass line that is disposed on the exhaust line such that the exhaust gas bypasses the gasoline particle filter, and a control portion that detects a driving condition of the engine and makes the exhaust gas pass the gasoline particulate filter or makes the exhaust gas bypasses the gasoline particulate filter according to the detected driving condition. | 05-24-2012 |
20120124978 | EXHAUST GAS PURIFICATION SYSTEM - An exhaust gas purification system is provided with an exhaust gas purification device ( | 05-24-2012 |
20120124979 | ENGINE DEVICE - 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. | 05-24-2012 |
20120144813 | FAILURE DETECTION APPARATUS FOR PARTICULATE FILTER - A detection apparatus is used to detect a failure of a particulate filter. The detection apparatus includes a PM (particulate matter) sensor, a timing estimating unit, and a failure determining unit. The PM sensor is disposed at a downstream side of the particulate filter in an exhaust passage. The PM sensor includes a pair of electrodes and detects an amount of the PM based on current passing through the PM deposited between the electrodes. The estimating unit estimates a failure-state energization timing at which the PM sensor starts to be energized due to the PM deposited between the electrodes assuming that the particulate filter has failed. The determining unit determines that the particulate filter is in a failure state when an actual energization timing of the PM sensor based on an output of the PM sensor is earlier than the failure-state energization timing estimated. | 06-14-2012 |
20120159938 | Method of Making Membrane Filter - Wall flow membrane filters, fabricated by masking a first subset of the channels at one or both ends of a honeycomb body comprising an array of open-ended through-channels separated by porous channel walls, applying a membrane-forming composition to the porous channel walls of a second subset of the channels, curing the membrane-forming composition to provide a wall-adhering fluid-permeable membrane; and then plugging the first subset of channels at a first end of the body and the second subset of channels at a second end of the body, are useful in exhaust systems of improved particulate filtration efficiency for gasoline direct injection or diesel engines. | 06-28-2012 |
20120186240 | EXHAUST GAS PURIFYING FILTER - According to the present invention, there is provided an exhaust gas purifying filter capable of effectively removing collected particulate matter. An exhaust gas purifying filter of the present invention includes an inflow surface into which exhaust gas including particulate matter flows, an exhaust surface which exhausts purified gas, and a filter substrate which is constructed of a porous body, wherein the filter substrate includes porous partitions and gas passages which are enclosed by the partitions, and a porous film, which includes silicon carbide and pores having a smaller pore diameter than the pores of the partitions, is provided on the surface of the partitions, and a silicon dioxide layer is formed on at least an outer surface portion of the porous film. | 07-26-2012 |
20120210703 | PURIFYING SYSTEM FOR COMBUSTIVE AIR - A purifying system for combustive air in an internal combustion engine is provided. The system includes an intake conduit of combustive air into the engine, a discharge conduit of the exhaust gases produced by the engine, and a cyclone separator associated to the intake conduit and provided with a collecting tank of detritus, a link conduit which has a greater diameter than the discharge conduit and which is inserted on at least a terminal tract of the discharge conduit, such that a hollow space is defined between the terminal tract and the link conduit, and a connecting conduit destined to connect the collecting tank with the hollow space by flowing into the link conduit upstream of an end of the discharge conduit with respect to an outflow of the exhaust gases. | 08-23-2012 |
20120222412 | Engine Exhaust Gas Particulate Filter having Helically Configured Cells - An engine exhaust gas particulate filter comprises a plurality of paired longitudinal flow cells having a first flow cell channel and a second flow cell channel. The first flow cell channel is disposed in fluid communication with the second flow cell channel through a common permeable filtration wall. Each of the plurality of paired longitudinal flow cells forms a non-linear flow path about a longitudinal axis of the engine exhaust gas particulate filter. | 09-06-2012 |
20120222413 | Poka-Yoke Mounting System for an Exhaust Treatment Device - An exhaust treatment system includes an emissions treatment device for treating exhaust emitted from an internal combustion engine. The exhaust treatment system includes a frame adapted to support first and second spaced apart portions of the exhaust treatment system. The emissions treatment device interconnects the first and second portions and is in receipt of exhaust from the first portion and provides treated exhaust to the second portion. A first bracket is fixed to the frame and includes one of a protrusion and a receptacle. A second bracket is adapted to be fixed to the emissions treatment device and includes the other of the protrusion and the receptacle. The protrusion is positioned within the receptacle when the emissions treatment device is properly positioned. The protrusion interferes with one of the second bracket and the emissions treatment device to preclude assembly when the emissions treatment device is improperly positioned. | 09-06-2012 |
20120222414 | EXHAUST PURIFYING APPARATUS OF SADDLE-RIDE TYPE VEHICLE - An exhaust purifying apparatus achieving placement of components so as to prevent an increase in the size of the vehicle caused by the placement of the exhaust purifying apparatus while maintaining the performance of the exhaust purifying apparatus by secondary air in a saddle-ride type vehicle. An exhaust purifying apparatus of a saddle-ride vehicle includes a secondary air supply pipe of which one end is connected an exhaust passage of an internal combustion engine. A secondary air control valve is connected with the other end of the secondary air supply pipe for controlling the supply of secondary air to the secondary air supply pipe. An outdoor air introduction passage is connected to the secondary air control valve, wherein an air filter for secondary air and a resonant passage are installed in the middle of the outdoor air introduction passage. | 09-06-2012 |
20120227388 | CONSTRUCTION MACHINE - Disclosed is a construction machine which comprises: a command changing regulation section; a loading device for imposing, on an engine, a load for raising an exhaust temperature of the engine up to a value at which particulate matter accumulated in a filter is burnt; and an instruction section for instructing the loading device to perform an operation for loading the engine. The instruction section prohibits the loading device from changing a loading level on the engine, during a period where a manipulation-state detection section detects a presence of a manipulation of a manipulation section. The command changing regulation section is set to a changing permission mode for permitting a value of a command which is to be assigned to an actuator control valve, to be changed according to changing a value of a command to be output from a manipulation device, during a period where the loading level is constant. | 09-13-2012 |
20120260639 | EXHAUST GAS CLEANING COMPONENT WITH DEFLECTION SURFACE, METHOD FOR PRODUCTION THEREOF AND MOTOR VEHICLE HAVING THE COMPONENT - A method for producing an exhaust gas cleaning component having a carrier structure with an inflow side, an outflow side, a predefined through-flow direction and a deflection surface disposed opposite the outflow side, includes at least the following steps: providing the carrier structure, subjecting the carrier structure to an exhaust gas flowing from the inflow side to the outflow side in the predefined through-flow direction, determining a distribution of flow velocities on the outflow side of the carrier structure, and configuring the shape of the deflection surface with at least one backpressure element in dependence on the distribution of flow velocities on the outflow side, so that the distribution of flow velocities is equalized. An exhaust gas cleaning component and a motor vehicle having the exhaust gas cleaning component are also provided. | 10-18-2012 |
20120266586 | ACOUSTIC CLEANING ASSEMBLY FOR USE IN POWER GENERATION SYSTEMS AND METHOD OF ASSEMBLING SAME - An acoustic cleaning assembly that includes a horn assembly and a generator body that is coupled to the horn assembly. The generator body includes an inner surface that at least partially defines an outlet plenum, and an opening that extends in flow communication between the horn assembly and the outlet plenum. An end cap is coupled to the generator body and includes an inner surface that at least partially defines an inlet plenum. A diaphragm is coupled between the generator body and the end cap. The diaphragm channels air from the inlet plenum to the outlet plenum to facilitate generating sound waves within the outlet plenum. | 10-25-2012 |
20120304629 | Adsorption Unit and Absorption Muffler of an Intake Manifold of an Internal Combustion Engine - An adsorption unit for combustion gas of an internal combustion engine has an adsorption housing having a chamber section with an inner wall. An adsorption element disposed in the adsorption housing is made of a gas-permeable adsorption medium that is formed to a hollow body and encloses an interior of the adsorption element. The hollow body has opposed open ends. A main flow passage extends through the hollow body and the combustion gas flows in main flow direction through the hollow body. The adsorption element has an exterior circumferential side facing away from the interior and delimiting together with the inner wall of the chamber section a bypass chamber surrounding the absorption element outwardly. In the main flow direction, the bypass chamber has a downstream end that is closed off and an upstream end that has at least one bypass opening that communicates with the main flow passage. | 12-06-2012 |
20120324871 | System of Treating Exhaust Gas of Engine - In order to relief a sudden change of engine sound during the transition to recovery control of a particulate removing filter or during returning from the recovery control, a system of treating exhaust gas of an engine includes an exhaust-gas particulate removing filter in an exhaust path, closes down the opening of an inlet throttle valve or an exhaust throttle valve to a recovery opening smaller than a normal opening during recovery of the particulate removing filter, and returns the opening from the recovery opening to the normal opening after the recovery of the particulate removing filter. The opening of the inlet throttle valve or the exhaust throttle valve during the closing process from the normal opening to the recovery opening and during the returning process from the recovery opening to the normal opening is changed at a gradually decreasing or gradually increasing rate of change of the opening. | 12-27-2012 |
20130014494 | Filter Assembly and Exhaust Gas Reducing Device Including SameAANM Lee; Heon JuAACI Jeju-doAACO KRAAGP Lee; Heon Ju Jeju-do KR - A filter assembly includes: a cylindrical diesel particulate filter disposed on a flow passage through which an exhaust gas from an engine is discharged, the filter having gas flow passages formed and disposed therein by dividing an inner space into a lattice form; and an electrode unit disposed at at least one of both side surfaces of the filter, the electrode unit receiving electric power to heat the filter. A plurality of regions resulting from division into a lattice form in the filter have alternately disposed open and closed sections. A device for reducing an exhaust gas including the above filter assembly is also provided. | 01-17-2013 |
20130014495 | EXHAUST PRESSURE LINE FOR AN INTERNAL COMBUSTION ENGINEAANM MOSSO; Silvio DomenicoAACI Rivoli (TO)AACO ITAAGP MOSSO; Silvio Domenico Rivoli (TO) ITAANM PAIROLERO; Luca GiuseppeAACI Cascine Vica Rivoli (TO)AACO ITAAGP PAIROLERO; Luca Giuseppe Cascine Vica Rivoli (TO) IT - An exhaust pressure line for an internal combustion engine is provided. The internal combustion engine has an engine block and is equipped with a Diesel Particulate Filter. The exhaust pressure line has a pressure line configured to send pressure signals from the Diesel Particulate Filter to an exhaust pressure sensor. A portion of the pressure line extends through the engine block. | 01-17-2013 |
20130047590 | Radial Mounting for Regeneration Device - An exhaust treatment system for machine is disclosed that includes a burner body having an inlet for receiving a flow of exhaust, an outlet for the exhaust flow to exit, an opening and a receiving mount disposed around the opening. A fuel injector head is mounted over the opening in any one of a plurality of angular positions relative to the body. The burner body includes a plurality of mounting pads extending at least partially and circumferentially around the burner body for coupling a support bracket to the burner body in any one of a plurality of positions relative to the burner body. The support bracket may be used to couple the burner to a fixture device such as a cradle for supporting other exhaust treatment system components. | 02-28-2013 |
20130061582 | EXHAUST GAS PURIFICATION SYSTEM IN UPLAND AREA - When a diesel particulate diffuser (“DPD”) of a vehicle traveling in a normal drive mode in the upland area is to be automatically regenerated by raising a temperature of exhaust gas from an engine, an exhaust gas purification system determines an upland full-load injection quantity from the atmospheric pressure in the upland area and an engine speed while the vehicle is in motion and drives the vehicle with the injection quantity determined. The system determines, during the regeneration mode, an upland drive regeneration injection quantity obtained by decreasing the upland full-load injection quantity on the basis of a quantity required for the post-injection. The injection quantity is gradually decreased from the upland full-load injection quantity to the upland regeneration drive injection quantity when the vehicle shifts from the normal drive mode in the upland area to the upland regeneration mode, so that the decreased quantity is used for the post-injection. | 03-14-2013 |
20130061583 | EXHAUST GAS PURIFYING SYSTEM - An exhaust pipe for a diesel engine is connected to a diesel particulate defuser (“DPD”). To automatically regenerate the DPD, an exhaust gas temperature is detected, a deviation of the detected exhaust gas temperature from a target regeneration temperature is evaluated, and an amount of post injection is controlled through PID control according to the deviation. When, during the automatic regeneration with a vehicle running, an exhaust brake valve is closed, the post injection is interrupted. While the exhaust brake is being closed, an operation of an integral control term is continued with the PID control, and when the exhaust brake valve is opened, the integral control term operated without interruption is used as an initial amount of operation. | 03-14-2013 |
20130067895 | EXHAUST GAS PURIFICATION SYSTEM OF WORKING MACHINE - An exhaust gas purification device arranged in an exhaust system of an engine, and includes a renewing device for burning and removing a particulate matter within the exhaust gas purification device. The renewing device is operable in the case that a clogged state of the exhaust gas purification device is equal to or more than a prescribed level, wherein the exhaust gas purification system includes renewal admittance input means which allows an actuation of the renewing device, and rotating speed holding input means for holding a rotating speed of the engine to a predetermined rotating speed, and in the case that a turn-on operation of the rotating speed holding input means is carried out in a state in which an allowing operation of the renewal admittance input means is carried out, the rotating speed holding motion of the engine is executed in preference to an actuation of the renewing device. | 03-21-2013 |
20130067896 | EXHAUST GAS PURIFICATION SYSTEM - In the exhaust gas purification system, a diesel particulate defuser (“DPD”) for trapping particulate matter (“PM”) in exhaust gas is connected to an exhaust pipe of an engine to automatically regenerate the DPD by raising a temperature of the exhaust gas from the engine by carrying out post injection when an amount of PM in the DPD exceeds a predetermined amount. Further, the system includes detecting the temperature of the exhaust gas during DPD regeneration when the DPD is automatically regenerated, calculating a deviation between the detected temperature of the exhaust gas and a target temperature for the DPD regeneration, and controlling a quantity of the post injection by resetting an integral control term used in a PID control to zero when running mode automatic regeneration is shifted to idling mode automatic regeneration after a vehicle is stopped, when PID-controlling the quantity of the post injection based on the deviation. | 03-21-2013 |
20130074481 | WORKING MACHINE - In a backhoe comprising: a diesel engine able to increase a speed due to an accelerating operation; an exhaust gas cleaning device having a DPF for catching a particulate matter included in an exhaust gas exhausted from the diesel engine; and a filter regeneration means to combust and remove the particulate matter deposited in the DPF of the exhaust gas cleaning device, the filter regeneration means requires to increase the speed of the diesel engine during an automatic regeneration for automatically combusting and removing the particulate matter deposited in the DPF. In this manner, a working machine able to require an operator to increase the speed of the diesel engine at appropriate timing, in order to increase a temperature of the exhaust gas to a temperature required for regeneration of the DPF can be provided. | 03-28-2013 |
20130091831 | EXHAUST GAS PURIFICATION SYSTEM - An exhaust gas purification device is arranged in an exhaust gas route of a common rail type engine. At least one of an intake air throttle device and an exhaust gas throttle device are arranged in intake and exhaust systems of the engine. In the case that a clogged state of the exhaust gas purification device becomes equal to or more than a prescribed level, an auxiliary renewing mode which raises the temperature of an exhaust gas from the engine by actuating at least one of the intake air throttle device and the exhaust gas throttle device is executed, and in the case that the clogged state of the exhaust gas purification device is not improved even by executing the auxiliary renewing mode, a forced renewing mode which supplies a fuel into the exhaust gas purification device by a post injection is executed. | 04-18-2013 |
20130125534 | ELECTRICALLY HEATED PARTICULATE FILTER RESTRIKE METHODS AND SYSTEMS - A method of regenerating a particulate filter that includes an electric heater is provided. The method includes determining a location of particulate matter that remains within at least one region of the particulate filter based on a regeneration event being extinguished; and selectively controlling current to a zone of a plurality of zones of the electric heater to initiate a restrike of the regeneration event based on the location of particulate matter. | 05-23-2013 |
20130133315 | Work Machine - A work machine, comprising:
| 05-30-2013 |
20130213020 | Working Machine - 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. | 08-22-2013 |
20130247547 | PARTICLE SEPARATOR WITH A METAL LAYER THROUGH WHICH EXHAUST GAS CAN FLOW AND MOTOR VEHICLE HAVING AT LEAST ONE PARTICLE SEPARATOR - A particle separator for treating the exhaust gases of an internal combustion engine includes a housing having an inlet opening, an outlet opening, a cross section and a central axis. At least one metallic layer, through which exhaust gas can flow, is located in the housing and has an undulation or corrugation that spans the cross section of the housing. The particle separator has a large surface for providing the lowest possible flow resistance and a low risk of clogging. A motor vehicle having at least one particle separator is also provided. | 09-26-2013 |
20130247548 | PARTICLE SEPARATOR HAVING A MULTI-PART HOUSING, METHOD FOR PRODUCING THE PARTICLE SEPARATOR AND MOTOR VEHICLE HAVING THE PARTICLE SEPARATOR - A particle separator for treating exhaust gases from an internal combustion engine includes a housing having an inlet opening, an outlet opening, a central axis, a first part with a first joining surface and a second part with a second joining surface. The first and second joining surfaces correspond to one another, so that the first and second parts can be positioned along the central axis relative to one another. At least one metallic layer, through which exhaust gas can flow, spaces the first and second joining surfaces apart over the entire circumference. The particle separator can be manufactured cost-effectively in a simple manner with few measures and, in particular, is suitable for retrofitting to an existing exhaust system. A method for producing the particle separator and a motor vehicle having the particle separator are also provided. | 09-26-2013 |
20130247549 | CLEANABLE PARTICLE SEPARATOR AND MOTOR VEHICLE HAVING AT LEAST ONE PARTICLE SEPARATOR - A particle separator for treating the exhaust gases of an internal combustion engine includes at least one metallic layer through which exhaust gas can flow. The metallic layer is located in a housing that includes an inlet opening, an outlet opening and a central axis. The housing is provided with at least one inspection or maintenance opening that laterally penetrates the housing and provides a passage through to the metallic layer. The particle separator can, in particular, remain operational without having to be dismantled or can autonomously remain fully open to a flow at all times. A motor vehicle having at least one particle separator is also provided. | 09-26-2013 |
20130291526 | Engine Off Particulate Filter ("PF") Regeneration Using a Single Secondary Energy Storage Device - An exhaust gas treatment system for an internal combustion engine is provided. The internal combustion engine has an engine off condition. The exhaust gas treatment system includes particulate filter (“PF”) device in fluid communication with an exhaust gas conduit, an electric heater, a primary energy storage device, a single secondary energy storage device, and a control module. The PF device 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 electric heater is disposed upstream of the filter structure and is selectively energized to provide heat for regeneration of the PF device. The single secondary energy storage device is selectively connected to the primary energy storage device. The single secondary energy storage device selectively energizes the electric heater. | 11-07-2013 |
20130298537 | CONTROLLER OF INTERNAL COMBUSTION ENGINE - This invention has an object to appropriately correct characteristic variation of a PM sensor and to improve detection accuracy of the sensor. | 11-14-2013 |
20130340415 | PARTICULATE MATTER PROCESSING APPARATUS (AS AMENDED) - An excessively large electric current is suppressed from flowing to an electrode. A particulate matter processing apparatus in which a processing part with an electrode installed therein is arranged in an exhaust passage of an internal combustion engine, wherein particulate matter is caused to aggregate by generating a potential difference between the electrode and the processing part, is provided with a power supply that is connected to the electrode and applies a voltage thereto, a current detection device that detects an electric current which passes through the electrode, an air fuel ratio detection device that detects or estimates an air fuel ratio of an exhaust gas which flows through the exhaust passage, and a voltage control device that makes the voltage applied to the electrode from the power supply smaller in cases where the air fuel ratio detected by the air fuel ratio detection device is a rich air fuel ratio, than in cases where it is a stoichiometric air fuel ratio or a lean air fuel ratio. | 12-26-2013 |
20130340416 | PARTICULATE MATTER PROCESSING APPARATUS - Aggregation of particulate matter is facilitated. Provision is made for an electrode that is arranged in an exhaust passage of an internal combustion engine with a voltage to be applied thereto being able to be changed, a detection device that detects an electric current passing through the electrode, a determination device that determines whether a pulse current has been generated in the electric current detected by the detection device, and a control device that reduces the voltage to be applied more than that at this time in cases where a determination has been made by the determination device that a pulse current has been generated. | 12-26-2013 |
20140000248 | PARTICULATE MATTER PROCESSING APPARATUS | 01-02-2014 |
20140109558 | AFTER-TREATMENT DEVICE - The present disclosure is directed to an after-treatment device. The after-treatment device may have a center plenum configured to be fluidly connected to an engine. The after-treatment device may also have a filter bank having a plurality of filter assemblies. Each filter assembly may have an inlet fluidly connected to the center plenum. The inlet may be oriented orthogonal to the center plenum. Each filter assembly may also have an outlet. Further, the after-treatment device may have an exhaust plenum fluidly connected to the outlet. The exhaust plenum may be oriented orthogonal to the outlet. The exhaust plenum may also have an outer wall disposed parallel to and located at a predetermined distance from the outlet. | 04-24-2014 |
20140165542 | EMISSION CONTROL DEVICES FOR AIR INTAKE SYSTEMS - An emission control device for air intake system includes an extending conduit ( | 06-19-2014 |
20140165543 | CONSTRUCTION MACHINE HYDRAULIC DRIVE SYSTEM HAVING EXHAUST GAS PURIFYING DEVICE - A construction machine hydraulic drive system that performs load sensing control is capable of efficiently burning and removing deposits on a filter in an exhaust gas purifying device through pump output increasing control and to be free from faults in the pump output increasing control even when an actuator is operated during the pump output increasing control. A solenoid switching valve is switched so that output pressure of an engine speed detecting valve is guided to a pressure receiving portion of an LS control valve and a pressure receiving portion of an unloading valve when a start of regeneration is not directed, and delivery pressure of a pilot pump is guided to the pressure receiving portion and the pressure receiving portion when the start of the regeneration is directed, to thereby disable load sensing control to increase capacity of a main pump and increase set pressure of the unloading valve. | 06-19-2014 |
20140238003 | PM ACCUMULATION AMOUNT ESTIMATION DEVICE FOR DPF - A PM accumulation amount estimation device | 08-28-2014 |
20140318108 | Proportional Heater Control for Diesel Emission System for Marine Powered Generator Set - A proportional heater controls a marine diesel powered generator with a diesel particulate filter (DPF). A proportional control is applied to the heater based upon exhaust temperature. The heater heats exhaust gas to a regeneration temperature to remove soot and sulphur from the processed gas when the diesel fuel has a sulphur content exceeding 1,000 ppm. The heater is supplied power via SCRs to reduce electromagnetic and radio frequency interference. A manual override permits the operator to set a temperature setpoint, force the heater to meet a certain temperature and establish a load bank for diesel engine electrical generator set. | 10-30-2014 |
20140366515 | ENHANCED DIAGNOSTIC SIGNAL TO DETECT PRESSURE CONDITION OF A PARTICULATE FILTER - An exhaust gas treatment system includes a particulate filter to collect particulate matter from exhaust gas flowing therethrough. The particulate filter realizes a pressure thereacross in response to the exhaust gas flow. A delta pressure sensor determines a first pressure upstream from the particulate filter and a second pressure downstream from the particulate filter. A delta pressure module is in electrical communication with the delta pressure sensor. The delta pressure module determines a pressure differential value based on a difference between the first pressure and the second pressure and generates a diagnostic signal based on a plurality of the pressure differential values and a predetermined time period. | 12-18-2014 |
20140373515 | EXHAUST GAS AFTERTREATMENT COMPONENT WITH AN HC ADSORBER FUNCTION AND EXHAUST GAS SYSTEM INCLUDING SUCH AN EXHAUST GAS AFTERTREATMENT COMPONENT - An exhaust gas aftertreatment component includes a ceramic carrier body with a plurality of axial flow channels, wherein the carrier body has an inner region and an outer region, which radially surrounds the inner region. A cell density of the carrier body is smaller in the inner region than a cell density in the outer region. At least the outer region of the carrier body has a coaling, wherein the coating of the outer region has an HC adsorber function for a reversible adsorption of unburnt hydrocarbons. An exhaust gas system, which is equipped with such an exhaust gas aftertreatment component, and a vehicle, which has such an exhaust gas system are also provided. | 12-25-2014 |
20150020507 | PARTICULATE FILTER PERFORMANCE MONITORING - 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. | 01-22-2015 |
20150020508 | TRAPPED SOOT MEASUREMENT - A quantity of soot trapped in a particulate filter in an engine exhaust system is calculated for use in a regeneration control strategy by drawing electric current from an electric power supply through a circuit which comprises in series an internal portion of the particulate filter and an electric impedance external to the filter. At least one electric measurement device connected to the circuit provides circuit-related data sufficient to enable a processor to calculate temperature-adjusted electric resistance of soot trapped in the internal portion of the particulate filter by calculating non-temperature-adjusted electric resistance of soot trapped in the internal portion of the particulate filter and temperature-adjusting a calculation of non-temperature-adjusted electric resistance of soot trapped in the internal portion of the particulate filter based on temperature data from a source of temperature data indicative of an internal temperature of the particulate filter. | 01-22-2015 |
20150047330 | EXHAUST GAS MIXER AND SYSTEM - A device and a system are provided. The system may include a perforated barrier disposed within an exhaust stream downstream from the combustion chamber(s). The barrier may divide the exhaust stream radially and longitudinally. A mixing surface may be coupled with the perforated barrier which may define a path within the exhaust stream to impart a swirl to the exhaust stream. | 02-19-2015 |
20150052880 | INORGANIC FIBER PAPER - An inorganic fiber paper includes inorganic fibers, chopped glass fibers and a binder system containing both inorganic and organic binder components. The binder system contains a low content of the organic binder that imparts suitable handling properties and tensile strength to the inorganic fiber paper without causing the paper to emit a flame when used in demanding high temperature environments. The inorganic fiber paper can be used for a variety of automotive and industrial thermal insulation applications. | 02-26-2015 |
20150143802 | SYSTEM AND METHOD OF CONTROLLING EXHAUST TEMPERATURE - 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. | 05-28-2015 |
20160053657 | INCLINED PERFORATED PLATE AT RADIAL INLET - An exhaust component extends between a first end and a second end. The exhaust component defines an internal cavity with a central axis that extends from the first end to the second end. The exhaust component includes an inlet and an outlet, wherein the inlet extends transversely relative to the central axis. A perforated plate is positioned within the internal cavity at the inlet. The perforated plate extends obliquely relative to the center axis. | 02-25-2016 |
20160061086 | EXHAUST GAS PURIFICATION SYSTEM - It is an object to make it possible to burn and remove particulate matter without generating runaway even if the particulate matter is excessively accumulated at the time of regeneration of an exhaust gas purification device. A common rail engine and the exhaust gas purification device placed in an exhaust gas path of the engine are provided. A plurality of regeneration controls for burning and removing the particulate matter accumulated in the exhaust gas purification device can be executed. The plurality of regeneration controls include at least non-operation regeneration control for rising exhaust gas temperature by combining post injection (E) and predetermined high speed rotation speed, and recovery regeneration control which can be executed when the non-operation regeneration control fails. In the non-operation regeneration control and the recovery regeneration control, the engine is driven exclusively for burning and removing the particulate matter. The recovery regeneration control is carried out at exhaust gas temperature lower than that of the non-operation regeneration control while taking time longer than that of the non-operation regeneration control. | 03-03-2016 |
20160115834 | EXHAUST GAS TREATMENT DEVICE, ESPECIALLY FOR AN EXHAUST GAS FLOW PATH OF AN INTERNAL COMBUSTION ENGINE, AND METHOD FOR MANUFACTURING AN EXHAUST GAS TREATMENT DEVICE - An exhaust gas treatment device for an exhaust gas flow path of an internal combustion engine, includes a tubular carrier body ( | 04-28-2016 |
20160376969 | Cantilevered Flow Distributing Apparatus - An exhaust aftertreatment system may include a housing, an aftertreatment device, and a cantilevered flow distributing element. The housing receives exhaust gas output from an engine and has a main body and an exhaust gas inlet that is angled relative to the main body. The flow distributing element is disposed within the housing upstream of the exhaust aftertreatment device and includes a baffle plate and a collar. The baffle plate is attached to an inner wall of the main body. The collar may include a plurality of first apertures, a downstream axial edge and an upstream axial edge. A portion of the downstream axial edge may abut an upstream-facing surface of the baffle plate. The baffle plate may have a plurality of second apertures extending through the upstream-facing surface. The collar may extend across and partially block at least some of the second apertures. | 12-29-2016 |