Exhaust muffler for general-purpose engine

An exhaust muffler disposed in proximity to a cylinder of a general-purpose engine is provided, in which an exhaust muffler (M) for a general-purpose engine is formed from a muffler main body ( 15 ) connected to a cylinder ( 3 ) of a general-purpose engine (E) via an exhaust pipe ( 10 ) and disposed adjacent to the cylinder ( 3 ), a partition member ( 19 ) that divides the interior of the muffler main body ( 15 ) into a first muffler chamber ( 16 ) communicating with the exhaust pipe ( 10 ) and a second muffler chamber ( 17 ) communicating with an exhaust outlet ( 35 ) of the muffler main body ( 15 ), and an exhaust cooling pipe ( 31 ) exposed outside the muffler main body ( 15 ) while providing communication between the first muffler chamber ( 16 ) and the second muffler chamber ( 17 ). This enables exhaust gas to be cooled effectively by passing though the exhaust cooling pipe ( 31 ) when moving from the first muffler chamber ( 16 ) to the second muffler chamber ( 17 ), thus enhancing the muffling effect due to a reduction in the pressure of the exhaust gas.

Urea heating system and heating method thereof

A urea solution heating device prevents freezing of a urea solution by using exhaust gas of an engine. More particularly, a urea solution heating device may use a pressure difference between an exhaust gas pipe and a muffler to bypass the exhaust gas to exchange heat between the exhaust gas and the urea solution. The urea solution heating device may include an exhaust gas pipe, a muffler, a first bypass pipe diverged from the exhaust gas pipe, a urea solution tank to which the bypassed exhaust gas is supplied, a second bypass pipe connected to the muffler, and a heat exchanger, wherein the exhaust gas sequentially flows through the first bypass line, the heat exchanger, and the second bypass line by a pressure difference between the exhaust gas pipe and the muffler. An urea solution heating method is also described.

Q4 muffler assembly

A system for improved exhaust evacuation from an internal combustion engine made up of a core which is surrounded by an outer casing, an elongated tube, and a perforated chamber made up of two cup shaped portions. The first cup shaped portion is connected to an outlet tube and the second cup shaped portion is connected to the elongated tube. The second cup shaped portion has holes around the connection and the first cup shape portion does not.

Catalyst Storage Case, Exhaust Duct, and Engine

A catalyst storage case includes a case body having an exhaust passage; and first and second oxidation catalysts disposed in the exhaust passage of the case body. The first and second oxidation catalysts are arrayed in a direction intersecting a direction along which the exhaust passage extends. 1. A catalyst storage case comprising:a case body having an inlet, an outlet, and an exhaust passage extending from the inlet to the outlet for allowing exhaust gas to pass therethrough; anda plurality of oxidation catalysts disposed in the exhaust passage of the case body, whereinthe plurality of oxidation catalysts are arrayed in a direction intersecting a direction along which the exhaust passage extends.2. The catalyst storage case according to claim 1 , comprising:a baffle plate disposed between the oxidation catalysts and the inlet in the exhaust passage of the case body for leading exhaust gas to each of the oxidation catalysts.3. An exhaust duct comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the catalyst storage case according to ; and'}an exhaust muffler communicating with the outlet of the catalyst storage case, whereinthe catalyst storage case and the exhaust muffler are integrally connected together.4. An engine comprising:a cylinder block having a cylinder;a cylinder head attached to the cylinder block, the cylinder head having an exhaust port communicating with the interior of the cylinder; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the catalyst storage case according to attached to the cylinder head, wherein'}the inlet of the catalyst storage case is in communication with the exhaust port of the cylinder head.5. The engine according to claim 4 , whereinthe cylinder block has a piston disposed in the cylinder and a crankshaft coupled to the piston,the cylinder block has a load-side end face from which a load-side end of the crankshaft protrudes,the catalyst storage case is disposed toward the load-side end face of the cylinder block, ...

EXHAUST GAS FILTER

An exhaust gas filter for purifying exhaust gases including particulate matter discharged from an internal combustion engine includes a honeycomb structure whose axial direction matches an exhaust gas flow, a plug portion which selectively plugs upstream end faces of the honeycomb structure which faces the exhaust gas flow, and catalyst carried on the honeycomb structure. 1. An exhaust gas filter which purifies exhaust gases including particulate matter discharged from an internal combustion engine comprising:a honeycomb structure whose axial direction is a flow direction of the exhaust gases;a plug portion which partially plugs an upstream end face of the honeycomb structure which faces the exhaust gas flow; anda catalyst carried in the honeycomb structure,wherein the honeycomb structure has a plurality of partition walls, cells surrounded by the partition walls, with a first region not carrying the catalyst being disposed on the partition walls at an upstream side of the exhaust gas flow and a second region carrying the catalyst on the partition walls at a downstream side of the exhaust gas flow,wherein the partition walls have pores communicating between adjacent cells,wherein the plurality of the cells comprise open cells open in the axial direction and plugged cells whose upstream end faces face the exhaust gas flow and are plugged by the plug portion.2. The exhaust gas filter as set forth in claim 1 , wherein an axial direction length of the first region is set to the shortest length at which a maximum trapping ratio of the particular matter is reached.3. The exhaust gas filter as set forth in claim 1 , wherein the catalyst-coat layers including the catalyst are disposed on the partition cells in the second region and a concentration thereof is not less than 100 g/L.4. The exhaust gas filter as set forth in claim 3 , wherein a catalyst-coat layer in the open cells has a first end and a second end which are opposed to each other in a direction in which the ...

ENGINE AND ENGINE-DRIVEN WORKING MACHINE

The temperature of exhaust gas discharged from a compact air-cooled engine used as a power source for an engine-driven working machine is reduced. An engine has a muffler mounted directly to the exhaust opening of the cylinder, and a resin muffler cover covering the muffler. An exhaust gas restriction member is provided to a wall surface of the muffler, and two exhaust passages serving as outlets for exhaust gas are formed in the exhaust gas restriction member. The exhaust passages are arranged independent of each other, and the streams of discharged exhaust gas are discharged to be slightly separated from each other as the streams flow away from the exhaust openings. The separated streams of discharged exhaust gas form a negative pressure space between the streams promoting the introduction of a cooling air stream into the negative pressure portion. Thus, the temperature of the exhaust gas can be reduced. 1. An engine comprising: a cylinder having a plurality of fins at an outer circumferential section thereof and in which a combustion chamber is formed; a cooling fan installed at one end of a crankshaft and configured to generate cooling air to cool the cylinder; and a muffler attached to an exhaust opening of the cylinder , wherein an exhaust gas outlet is installed at the muffler , an exhaust gas restriction member configured to determine a discharge direction of exhaust gases is installed at the exhaust gas outlet , and the exhaust gas restriction member is configured to have a plurality of exhaust passages arranged in parallel such that exhaust directions of the exhaust gases are spaced apart from each other.2. The engine according to claim 1 , wherein some of the cooling air is introduced in the exhaust direction of the exhaust gas of the muffler.3. The engine according to claim 1 , wherein a muffler cover configured to cover the muffler to form a muffler receiving chamber is provided claim 1 , and the exhaust gas restriction member is configured to discharge ...

Exhaust silencer

An exhaust silencer for a motor vehicle is provided. In one example, the silencer comprises a noise-reducing structure and a heat sink to transfer heat from exhaust gases to the exterior of the silencer, the heat sink comprising two regions of fins which define a plurality of flow channels through the heat sink, the flow channels directing the flow of exhaust through the silencer from an inlet passage to an outlet passage. In this way, a temperature of the exhaust is reduced, and the silencer and downstream components of an exhaust system may be constructed of materials of a lower thermal tolerance.

Exhaust heat recovery device structure

An exhaust heat recovery device structure that includes: an exhaust heat recovery device main body that is disposed at an inner side of a floor tunnel formed at a vehicle transverse direction central portion of a floor panel, the exhaust heat recovery device main body carrying out heat exchange between cooling water and gas that is generated at an internal combustion engine of a vehicle; and a metal pipe that extends-out from the exhaust heat recovery device main body, the metal pipe being connected to one end of a resin hose whose another end is connected to the internal combustion engine, the connected portion that connects the metal pipe with the resin hose being provided to the metal pipe further toward a vehicle lower side than the exhaust heat recovery device main body, is provided.

ENGINE AND ENGINE WORK MACHINE

Provided are an engine and an engine work machine. An engine in which a substantially box-shaped muffler made by joining a partitioning plate with inner and outer housings is directly secured to a cylinder, wherein the center axis of the cylinder is slanted rearward at an angle. The muffler has the partitioning plate inclined from the cylinder-side upper corner part toward the opposing lower corner part; and the muffler is secured at three points, i.e., two screws near an exhaust port, and an attachment screw near the upper corner part. Exhaust gas is discharged so as to flow forward along the upper wall surface of the muffler from near the end that is close to the cylinder in the upper surface of the muffler, and the exhaust gas is diffused, with the front corner part (curved surface part) being shaped as a curved surface having a large radius of curvature. 1. An engine , comprising: a cylinder , which is connected to a crankcase and forms a combustion chamber; and a muffler , which is secured to the cylinder;wherein the muffler comprises: an outer housing and an inner housing, which form an external wall of an expansion chamber; and a partitioning plate, which separates the expansion chamber into a first expansion chamber on an inner housing side and a second expansion chamber on an outer housing side; and the muffler is a substantial box shape formed by joining the outer housing and the inner housing with the partitioning plate; seen from an axis direction of the cylinder, the partitioning plate is disposed with a slope so that a distance from the partitioning plate to the cylinder decrease as the partitioning plate gets away from the crankcase;the outer housing comprises an upper wall surface, andan exhaust outlet is disposed on a cylinder side of the upper wall surface and discharges an exhaust gas toward a counter-cylinder side along a wall surface of the muffler.2. The engine according to claim 1 , wherein in the wall surface where the exhaust outlet is ...

METHOD AND SYSTEM FOR COOLANT TEMPERATURE SENSOR DIAGNOSTICS

Methods and systems are provided for on-board diagnostics of components of an exhaust gas heat recovery (EGHR) system including engine coolant temperature sensors coupled to the system. Degradation of one or more of a first coolant temperature sensor coupled upstream of a heat exchanger of the EGHR system and a second coolant temperature sensor coupled downstream of the heat exchanger may be indicated based on a difference between a modeled coolant temperature and a measured coolant temperature, the modeled coolant temperature based on one or more of heat transfer between a heater core and vehicle cabin, and heat transfer between exhaust flowing via the heat exchanger and coolant flowing through the heat exchanger. 1. A method , comprising:during exhaust flow from a vehicle engine across a heat exchanger having a coolant flowing therethrough,in response to a higher than threshold difference between a measured coolant temperature and a modeled coolant temperature which is based on heat transfer between a heat loss source and a vehicle cabin, indicating degradation of a first and/or a second coolant temperature sensor respectively coupled upstream and downstream of the heat exchanger.2. The method of claim 1 , wherein the heat loss source includes a heater core and a plurality of coolant lines of an on-board heating claim 1 , ventilation claim 1 , and air conditioning (HVAC) system.3. The method of claim 1 , wherein the measured coolant temperature includes a first measured coolant temperature upstream of the heat exchanger based on an input from the first coolant temperature sensor coupled to a coolant line entering the heat exchanger claim 1 , the modeled coolant temperature includes a first modeled coolant temperature upstream of the heat exchanger claim 1 , and indicating degradation of the first coolant temperature sensor coupled upstream of the heat exchanger is based on a higher than threshold difference between the first measured coolant temperature upstream ...

Exhaust device provided with oxygen sensor

Problem: The objective of the present invention is to provide a technique to enable more accurate measurement of oxygen contained in an exhaust gas in an exhaust device provided with an oxygen sensor. Solution: A catalyst which cleans the exhaust gas is provided in an exhaust pipe in an exhaust device that includes a muffler coupled downstream of the exhaust pipe, and an oxygen sensor is mounted on a pipe portion that is disposed downstream from the catalyst and that is directly coupled to the catalyst. The oxygen sensor is provided substantially perpendicular to the axial direction of the pipe portion through which the exhaust gas flows. The oxygen sensor includes a detecting portion, the detecting portion is disposed in a recessed portion formed in the muffler, and a wire is disposed on an outer side of the recessed portion.

VORTEX FLOW APPARATUS

A vortex flow apparatus including a cylindrical housing that contains a fluid that flows in a swirling circular path. The apparatus may be utilized as a muffler for a combustion engine, a particle separator, or an energy conversion device that physically or chemically acts upon the fluid flow and particles contained within the apparatus. The housing defines an inlet opening that opens into the first end of the housing proximate a first end wall. An outlet tube defines an outlet opening through a first end wall. A projection is attached to a second end wall of the housing and extends into the housing. The outlet tube and projection are aligned with and centered relative to a central axis. 1. An apparatus comprising:a cylindrical housing having a central axis, a first end and a second end, wherein the housing defines an inlet opening, and wherein the inlet opening opens into the first end of the housing proximate a first end wall, and wherein the housing has a side wall that includes a combined oxidation/reduction catalyst coating applied to an inner surface of a side wall of the housing;an outlet tube defining an outlet opening that extends from inside the housing and through the first end wall; anda projection attached to a second end wall of the housing and extending into the housing, wherein the outlet tube and projection are aligned with and centered relative to the central axis.2. The apparatus of wherein the combined oxidation/reduction catalyst coating is applied to an outer surface of the outlet tube.3. The apparatus of wherein the combined oxidation/reduction catalyst coating is applied adjacent the inlet opening.4. The apparatus of wherein the combined oxidation/reduction catalyst coating is applied to the inner surface of the side wall outboard of the outlet tube. This application is a continuation-in-part of U.S. application Ser. No. 14/713,036 filed May 15, 2015, now U.S. Pat. No. 9,803,667 issued Oct. 31, 2017, which claims the benefit of U.S. ...

COMBINED HEAT EXCHANGER AND EXHAUST SILENCER

The present invention relates to a combined heat exchanger and exhaust silencer for a vehicle, comprising a bypass valve configured to: in a first state, allow a flow path for exhaust gas to be open from an inlet to an outlet via an at least partly perforated bypass pipe, and in a second state, close said flow path, whereby at least a main portion of said exhaust gas is forced through a second flow channel comprising a heat exchanger pipe. The second flow channel is formed by an annular space between an at least partly perforated second pipe and an at least partly perforated third pipe. A sound absorbing material surrounds the bypass pipe and the third pipe, and is further arranged inside the second pipe. 1. A combined heat exchanger and exhaust silencer for a vehicle , comprising: an inlet and an outlet for an exhaust gas flow;a housing arranged with a first end portion at said inlet and a second end portion at said outlet such that the exhaust gas can flow through said housing;a bypass pipe arranged in said housing, said bypass pipe having a perforated wall portion, said bypass pipe defining a first flow channel for the exhaust gas through said housing;a second pipe arranged in said housing, said second pipe having a perforated wall portion, said second pipe being arranged extend from said first end portion to said second end portion of said housing;a third pipe arranged in said housing, said third pipe having a perforated wall portion, said third pipe being arranged extend from said first end portion to said second end portion of said housing, said third pipe having a larger inner diameter than an outer diameter of said second pipe, wherein said second pipe is arranged in said third pipe such that a space between an outer surface of said second pipe and an inner surface of said third pipe defines a second flow channel for the exhaust gas through said housing;a heat exchanger pipe for defining a flow channel for a heat exchanging fluid, said heat exchanger pipe ...

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

An exhaust purification system of the internal combustion engine, is provided with: an exhaust purification catalyst having a catalytic function; a particulate filter arranged at a downstream side from the exhaust purification catalyst; an oxygen feed device feeding gas containing oxygen into exhaust gas flowing into the particulate filter; a detection device detecting a concentration of ammonia in exhaust gas flowing out from the particulate filter; and a control device. The control device controls the oxygen feed device so as to feed oxygen from the oxygen feed device to the particulate filter if a temperature of the exhaust purification catalyst is equal to or greater than an activation temperature and an air-fuel ratio of exhaust gas is a rich air-fuel ratio, and estimates the amount of deposition of particulate matter on the particulate filter based on the output of the detection device when feeding oxygen. 1. An exhaust purification system of the internal combustion engine , comprising:an exhaust purification catalyst arranged in an exhaust passage of the internal combustion engine and having a catalytic function;a particulate filter arranged in the exhaust passage at a downstream side from the exhaust purification catalyst in the direction of flow of exhaust;an oxygen feed device feeding gas containing oxygen into exhaust gas flowing into the particulate filter at a downstream side from the exhaust purification catalyst in the direction of flow of exhaust;a detection device changing in output according to a concentration of ammonia in exhaust gas flowing out from the particulate filter; anda control device controlling the oxygen feed device and estimating an amount of deposition of particulate matter on the particulate filter,wherein the control device is configured to control the oxygen feed device so as to continuously or intermittently feed oxygen from the oxygen feed device to the particulate filter if a temperature of the exhaust purification catalyst is ...

CONICAL HONEYCOMB BODY HAVING CHANNELS EXTENDING RADIALLY OUTWARD AT AN ANGLE AND HONEYCOMB BODY ASSEMBLY

A honeycomb body includes wound and/or stacked layers having a geometric center axis, a cavity rotationally symmetrically around the center axis and an outer lateral surface. Each layer extends approximately concentrically around the axis. At least one of the layers is at least partially structured forming channels through which a fluid can flow. The channels extend from the cavity outward to the outer lateral surface at a non-right cone angle to the axis. The channels have a cross-section changing along the channels from inside to outside. At least one structured layer and at least one intermediate layer are alternatingly disposed and helically layered. The structure height of the structured sheet-metal layer forming the channels is substantially constant and channel cross-sectional areas increase from inside to outside. The intermediate layer can be made of simple wires or of specially cut or folded smooth sheet-metal layers. 1. A honeycomb body , comprising:an inside, an outside and a geometric central axis;wound or stacked layers each running concentrically around said central axis and defining an outer lateral surface and a cavity disposed rotationally symmetrically around said central axis;at least one of said layers being at least partially structured to form a multiplicity of channels through which a fluid can flow;said channels running outwardly from said cavity to said outer lateral surface at a non-perpendicular cone angle relative to said central axis;said channels having a channel cross section varying over a course of said channels from said inside to said outside;at least one intermediate layer being disposed in alternation with said at least one structured layer; andsaid at least one intermediate layer and said at least one structured layer being layered on top of one other in a helical manner.2. The honeycomb body according to claim 1 , wherein at least said cavity or said lateral surface is cylindrical.3. The honeycomb body according to claim 1 , ...

SILENCER AND CATALYTIC CONVERTER APPARATUS WITH ADJUSTABLE BLOCKING PANEL

A silencer and catalytic converter apparatus includes a housing and a frame assembly arranged in the housing. The frame assembly may receive at least one catalyst panel and support the catalyst panel to occupy an area of a flow passage between upstream and downstream chamber sections of the housing. A blocking panel may be supported by the frame assembly to obstruct a remaining area of the flow passage so that fluid flowing between the upstream and downstream chamber sections is directed to flow through the catalyst panel. The blocking panel may be adjustable to accommodate catalyst panels of different sizes. 120-. (canceled)20. A method of installing at least one catalyst panel in a housing of a silencer and catalytic converter apparatus , the housing comprising an inlet port , an outlet port spaced apart from the inlet port in an axial direction , an upstream chamber section enclosed by the housing in fluid communication with the inlet port , a downstream chamber section enclosed by the housing in fluid communication with the outlet port , a flow passage between the upstream and downstream chamber sections , and an access opening , the method comprising:receiving at least one catalyst panel inserted through the access opening;supporting the at least one catalyst panel to occupy an area of the flow passage; andadjusting a blocking panel to obstruct a remaining area of the flow passage so that fluid flowing between the upstream and downstream chamber sections is directed to flow through the at least one catalyst panel,wherein the step of adjusting comprises moving the blocking panel between a contracted position and an expanded position in which a width dimension of the blocking panel is greater than in the contracted position to accommodate catalyst panels of different sizes.21. The method of claim 20 , wherein the step of moving comprises moving overlapping first and second plate members of the blocking panel relative to one another.22. The method of claim 21 , ...

SILENCER FOR AN EXHAUST GAS SYSTEM OF A MOTOR VEHICLE AND MOTOR VEHICLE WITH A SILENCER

A silencer for an exhaust gas system of a motor vehicle has an external housing that has at least one inlet opening and at least one outlet opening for exhaust gas. The silencer includes a silencer chamber and a filter monolith through which exhaust gas flows, and which is circumferentially surrounded by the silencer chamber. Also disclosed is a motor vehicle with at least one silencer. 1. A silencer for an exhaust gas system of a motor vehicle comprising:an external housing having at least one inlet opening and at least one outlet opening for exhaust gas;a silencer chamber; anda filter monolith through which exhaust gas flows, wherein the filter monolith is circumferentially surrounded by the silencer chamber.2. The silencer according to claim 1 , wherein the filter monolith is arranged fully within the silencer chamber.3. The silencer according to claim claim 1 , wherein the silencer comprises an upstream end wall having the at least one inlet opening and a downstream end wall having the at least one outlet opening claim 1 , as well as an outer casing which extends from the upstream end wall to the downstream end wall to connect the upstream end wall to the downstream end wall.4. The silencer according to claim 3 , wherein the silencer chamber is delimited on one side by the upstream end wall and/or the downstream end wall claim 3 , and on the other side by the outer casing.5. The silencer according to claim 3 , wherein a first exhaust gas line extends at least from the at least one inlet opening into a housing interior and/or a second exhaust gas line extends at least in sections from a filter including the filter monolith to the at least one outlet opening claim 3 , and wherein the first exhaust gas line extends through the upstream end wall and the second exhaust gas line extends through the downstream end wall.6. The silencer according to claim 5 , wherein the silencer chamber is divided into several silencer subchambers claim 5 , wherein the second exhaust ...

MUFFLER INTEGRATED TYPE GASOLINE PARTICULATE FILTER

A muffler integrated type gasoline particulate filter includes a filter having first and second surfaces and first channels and second channels alternately arranged, each of the first channels being closed at the second surface and each of the second channels being closed at the first surface, the filter collecting exhaust gas particulates when exhaust gas passes through a wall surface disposed between the first and second channels. The muffler integrated type gasoline particulate filter further includes protruding walls formed on an inner wall surface of each of the first and second channels in a longitudinal direction thereof. The protruding walls reduce noise of the exhaust gas flowing along each of the first and second channels. 1. A muffler integrated type gasoline particulate filter , the filter comprising:a filter having first and second surfaces, and first channels and second channels alternately arranged, each of the first channels being closed at the second surface and each of the second channels being closed at the first surface, the filter collecting exhaust gas particulates when exhaust passes through a wall surface disposed between the first and second channels; andprotruding walls formed on an inner wall surface of each of the first and second channels in a longitudinal direction thereof,wherein the protruding walls reduce noise of the exhaust as flowing along each of the first and second channels.2. The filter of claim 1 , wherein each of the protruding walls protrudes inwardly from the inner wall surface of each of the first and second channels.3. The filter of claim 2 , further comprising: filtration parts provided on the wall surface of each of the first and second channels claim 2 , the filtration parts having air holes and allowing the exhaust gas to pass therethrough claim 2 , wherein the filtration parts and the protruding walls are alternately arranged in the longitudinal direction of each of the first and second channels.4. The filter of ...

OPTIMIZED STRUCTURE FOR INTEGRATED CATALYTIC MUFFLER

An optimized structure for an integrated catalytic muffler is provided to purify exhaust gas from an engine and reduce noise when the exhaust gas flows to the rear of a vehicle. The structure includes a case having an inlet and an outlet, and an SCR catalytic unit that is mounted to the case. Particularly, a portion of the SCR catalytic unit is inserted into the case and the remaining portion is exposed out of the case. The SCR catalytic unit is coupled to the case by bolting or clamping. Accordingly, the production cost and weight are reduced, and maintenance and repair are facilitated. 1. An optimized structure for an integrated catalytic muffler for purifying exhaust gas from an engine and reducing noise when the exhaust gas flows to a rear of a vehicle , the optimized structure comprising:a case having an inlet and an outlet; anda selective catalytic reduction (SCR) catalytic unit mounted to the case, wherein a portion of the SCR catalytic unit is inserted into the case and a remaining portion is exposed out of the case.2. The optimized structure for an integrated catalytic muffler according to claim 1 , wherein the SCR catalytic unit is coupled to the case by bolting or clamping.3. The optimized structure for an integrated catalytic muffler according to claim 1 , further comprising:a plurality of baffles mounted within the case.4. The optimized structure for an integrated catalytic muffler according to claim 3 , wherein the baffles include a plurality of apertures formed therein.5. The optimized structure for an integrated catalytic muffler according to claim 1 , further comprising:a supporting unit provided in the case to support the SCR catalytic unit.6. The optimized structure for an integrated catalytic muffler according to claim 5 , wherein the supporting unit is a baffle.7. The optimized structure for an integrated catalytic muffler according to claim 6 , wherein the baffle has an opening formed therein to support the SCR catalytic unit.8. The optimized ...

EXHAUST STRUCTURE OF VEHICLE

To elongate an exhaust tail pipe wherein a muffler is covered by a rear cowl. An exhaust structure of a vehicle including a rear cowl covering a vehicle rear portion, a rear bank-muffler including a first and second expansion chamber partitioned by a partition, a first and second connecting pipe connecting the expansion chambers, and a tail pipe configured to discharge exhaust air from the rear bank-muffler. The rear bank-muffler is covered by the rear cowl, wherein outlines of the rear bank-muffler and the rear cowl are each formed such that the width decreases toward the vehicle rear. The tail pipe, the first connecting pipe, and the second connecting pipe are provided so as to penetrate the partition. A position where the tail pipe penetrates the partition and positions where the first connecting pipe and second connecting pipe penetrate the partition are offset from each other in the vertical direction. 1. An exhaust structure of a vehicle comprising:an engine;an exhaust device operatively connected to the engine; anda rear cowl covering a vehicle rear portion, said exhaust device including an exhaust pipe and a muffler connected to a rear portion of the exhaust pipe, said muffler including a main body formed by a top wall extending beneath and along a top face of the rear cowl and a bottom wall extending obliquely upwardly in a rear direction of the vehicle above and along a bottom face of the rear cowl, a plurality of expansion chambers partitioned by a partition, connecting pipes connecting the plurality of expansion chambers, and a tail pipe configured to discharge exhaust air from said muffler; said muffler being covered by said rear cowl, wherein:outlines of said muffler and said rear cowl are each formed such that a width decreases toward the rear direction of the vehicle;said tail pipe and said connecting pipes are provided so as to penetrate said partition;positions where said tail pipe and said connecting pipes penetrate said partition are offset from ...

Structure For Installing Pipe Fixing Clamp Installed in Internal Structural Pipe of Sound Absorber

A structure is provided for installing a pipe fixing clamp installed in a sound absorber. A part of a curved pipe portion of an internal structural pipe of the sound absorber is cut to form an exhaust gas flow space. The pipe fixing clamp having multiple holes is connected to the exhaust gas flow space. 1. A structure for use with a sound absorber , the structure comprising:an internal structural pipe of the sound absorber that includes a curved pipe portion having a cut that forms an exhaust gas flow space; anda pipe fixing clamp having multiple holes connected to the exhaust gas flow space.2. The structure of claim 1 , wherein the pipe fixing clamp is made of metal.3. The structure of claim 2 , wherein the pipe fixing clamp has a metal band shape.4. The structure of claim 3 , wherein the pipe fixing clamp is fastened by a bolt and a nut.5. The structure of claim 1 , further comprising a bolt and a nut that fasten the pipe fixing clamp to the curved pipe portion.6. The structure of claim 1 , further comprising rubbers that protrude at sides of the holes formed in the pipe fixing clamp.7. The structure of claim 6 , wherein the rubbers are configured to maintain gas tightness and to prevent a pipe withdrawal.8. A structure for use with a sound absorber claim 6 , the structure comprising:a first pipe portion of an internal structural pipe of the sound absorber;a second pipe portion of the internal structural pipe of the sound absorber, the second pipe portion spaced from the first pipe portion; anda pipe fixing clamp installed at a space between the first pipe portion and the second pipe portion, the pipe fixing clamp having multiple holes through which an interior and an exterior of the internal structural pipe can communicate with each other.9. The structure of claim 8 , wherein the first pipe portion comprises a curved pipe portion.10. The structure of claim 9 , wherein the second pipe portion comprises a curved pipe portion.11. The structure of claim 8 , wherein ...

Mixing Apparatus For An Exhaust Gas Aftertreatment System, Exhaust Gas Aftertreatment System And Internal Combustion Engine

A mixing apparatus for mixing a precursor substance of a reducing agent with exhaust gas, having a housing that provides a mixing chamber and a silencer. The housing inlet side has an inlet connection for exhaust gas and an outlet side having an outlet connection for reducing agent intermixed with the exhaust gas to be discharged. Longitudinal axes of the inlet and outlet connections are offset and parallel relative to one another. An introduction device introduces a precursor substance of the reducing agent and is positioned at the inlet side in a region of the outlet connection longitudinal axis. A length of the housing between the inlet and outlet side at least 1.9 to 7 times a diameter of the inlet connection. A width of the housing is maximally 3 times the diameter of the inlet connection. 1. A mixing apparatus of an SCR exhaust gas aftertreatment system configured to mix a precursor substance of a reducing agent with exhaust gas , comprising: an inlet side;', 'an outlet side opposite the inlet side; and', 'side walls that extend between the inlet side and the outlet side;, 'a housing that provides a mixing chamber and a silencer, the housing havingan inlet connection for a feed line arranged at the inlet side and configured to introduce the exhaust gas into the housing;an outlet connection for a discharge line arranged at the outlet side and configured to discharge the exhaust gas and reducing agent intermixed with the exhaust gas from the housing;wherein a longitudinal axis of the inlet connection and a longitudinal axis outlet connection are offset relative to one another and are one of parallel or perpendicular to one another; andan introduction device configured to introduce the precursor substance of the reducing agent into the exhaust gas, arranged at the inlet side in a region of the longitudinal axis of the outlet connection,wherein a length of the housing between the inlet side and the outlet side of the housing is at least 1.9 times and maximally 7 ...

EXHAUST MUFFLER FOR COMBUSTION ENGINE

A muffler for decreasing the amount of noise of exhaust gases from a combustion engine is fluid connected with an exhaust port of an engine cylinder through an exhaust pipe. The interior of the muffler is divided into a first expansion chamber on the most upstream side, and a second expansion chamber on a downstream side thereof. The exhaust pipe is fluid connected with the muffler so as to be present within the first expansion chamber. The muffler is furthermore provided with a cooling pipe, which extends through the first expansion chamber, and a cooling air flows through cooling pipe. 1. A muffler to decrease an amount of noise emitted by exhaust gases of an engine , the muffler comprising a cooling member configured to flow an external air through the muffler.2. The muffler as claimed in claim 1 , wherein the cooling member extends through a first expansion chamber on the most upstream side.3. The muffler as claimed in claim 2 , further comprising a catalyst configured to substantially purify the exhaust gases claim 2 , the catalyst being disposed between the first expansion chamber and a second expansion chamber on one side downstream thereof.4. The muffler as claimed in claim 1 , wherein the cooling member extends in a direction conforming to a direction of flow of a cooling air from a cooling fan of the engine.5. The muffler as claimed in claim 1 , wherein:an exhaust pipe having a downstream end closed is connected while extending through a peripheral wall of the muffler;a discharge port open into the muffler is formed in a peripheral wall of the exhaust pipe, andthe cooling member is disposed in contact with or in the vicinity of the exhaust pipe.6. The muffler as claimed in claim 1 , wherein the cooling member is formed by a pipe.7. The muffler as claimed in claim 1 , the engine is provided with a carburetor. This application is based on and claims Convention priority to Japanese patent application No. 2015-242579, filed Dec. 11, 2015, the entire disclosure ...

Muffler equipped with catalytic converter

A muffler is equipped with a catalytic converter and is compact and capable of stably supporting the catalytic converter disposed in a muffler box with a single partition. The muffler box is formed by joining outer peripheral ends of three parts which are first and second box halves with open surfaces thereof abutting each other and a partition interposed between the first and second box halves. A first silencing chamber communicating with an exhaust inlet pipe is defined between the first box half and the partition and a second silencing chamber communicating with a tailpipe is defined between the second box half and the partition. A pair of supporting bosses protruding toward the first and second silencing chambers, respectively, are formed in the partition, and the supporting bosses support a holding tube of the catalytic converter communicating between the first and second silencing chambers.

MUFFLER DEVICE

A lightweight and compact muffler device that can be installed in a limited space in an inside of a generator. A top cover and an undercover (end cover) provided on a top and a bottom of a vertically disposed casing are each formed in substantially trapezoidal shape. Thereby, an inner capacity of the casing can be secured to be large, as a result of which, a size of the muffler device can be made compact, and no extra component is required, so that reduction in manufacturing cost and reduction in weight can be achieved. Since the casing is disposed vertically, it is possible to install the casing even when an installation space is small in an inside of a housing of a generator, and it is possible to make the generator compact. 1. A muffler device of a portable generator , comprisinga casing disposed vertically, wherein end covers provided on a top and a bottom of the casing are each formed in a substantially trapezoidal shape,the end covers are formed of a top cover provided at an upper portion of the casing, and an undercover provided at a lower portion of the casing, an inclined surface is formed on a top surface of the top cover, and an exhaust pipe and a tail pipe are connected to the inclined surface of the top cover, andthe muffler device comprising a catalyst device in an inside of the casing, whereina diffuser pipe is disposed between a connection portion of the top cover to the exhaust pipe and a placement position of the catalyst device, in the inside of the casing.2. The muffler device according to claim 1 , whereinthe catalyst device is disposed in a vertical direction.3. The muffler device according to claim 1 , whereinthe diffuser pipe extends over a substantially entire region in an up-down direction of the casing, and an arrester is disposed in a connection portion of the diffuser pipe to the tail pipe.45-. (canceled)6. The muffler device according to claim 2 , whereinthe diffuser pipe extends over a substantially entire region in an up-down ...

Gaseous Fuel Spark-Ignited Internal Combustion Engine System

A system and method for reforming a portion of an exhaust gas stream in an internal combustion engine system. An exhaust gas recirculation assembly divides the exhaust gas stream into a recycle stream and a vent stream. A mixer in fluid receiving communication with the recycle stream forms a combination stream by mixing a gaseous fuel stream with the recycle stream. A thermochemical recuperator component fluidly connects to the mixer and includes a first flow path and a second flow path. The first flow path has a catalyst through which the combination stream flows to create a reformate stream, and the second flow path has a heat transfer area for transferring heat from the vent stream to the combination stream.

ACOUSTIC VOLUME IN HOT-END OF EXHAUST SYSTEMS

A vehicle exhaust system includes a component housing defining an internal cavity, a first exhaust gas treatment element positioned within the internal cavity, a second exhaust gas treatment element positioned within the internal cavity and axially spaced from the first exhaust gas treatment element by a gap, and a resonator volume in communication with the internal cavity. 1. A vehicle exhaust system comprising:a component housing defining an internal cavity;a first exhaust gas treatment element positioned within the internal cavity;a second exhaust gas treatment element positioned within the internal cavity and axially spaced from the first exhaust gas treatment element by a gap; anda resonator volume in communication with the internal cavity.2. The vehicle exhaust system according to wherein the resonator volume is formed between an outer surface of the component housing and an inner surface of a resonator housing that at least partially surrounds the component housing claim 1 , and including at least one resonator connection in communication with the resonator volume claim 1 , wherein the resonator connection is located at the gap.3. The vehicle exhaust system according to wherein the resonator volume is formed between an outer surface of the component housing and an inner surface of a resonator housing that at least partially surrounds the component housing claim 1 , and including an inlet cone positioned at one end of the component housing and an outlet cone positioned at an opposite end of the component housing claim 1 , and including at least one resonator connection in communication with the resonator volume claim 1 , and wherein the at least one resonator connection is located at one of the inlet and outlet cones.4. The vehicle exhaust system according to wherein the at least one resonator connection comprises at least a first resonator connection located at the gap and a second resonator connection located at one of the inlet and outlet cones.5. The ...

Support structure for exhaust system part

A support structure for an exhaust system part that configures an exhaust system of an internal combustion engine for a vehicle includes a bracket and a support member. The bracket includes a first plate and a second plate. The first plate has both end portions attached to the second plate, and the second plate has both end portions attached to the exhaust system part. A first space is defined between the first plate and the second plate, and a second space is defined between the second plate and the exhaust system part. Each of the first space and the second space has a first open end disposed on the vehicle front side, and has a second open end disposed on the vehicle rear side. The first plate, the first space, the second plate, and the second space are disposed between the support member and the exhaust system part.

EXHAUST DEVICE

An exhaust device () for a vehicle is provided. The exhaust device () includes an outer shell (), an inlet () to receive exhaust gases, an outlet (), an inner shell () received within the outer shell (), a pair of partition walls () and a Helmholtz neck (). The inner shell () defines an inner volume (). A plurality of first circumferential openings () extending through the inner shell () fluidly communicates the inlet () with the inner volume (). A plurality of second circumferential openings () extending through the inner shell () fluidly communicates the outlet () with the inner volume (). The pair of partition walls () is disposed between the inner shell () and the outer shell (). The pair of partition walls (), the inner shell () and the outer shell () define a Helmholtz chamber () therebetween. The partition walls () seal the Helmholtz chamber () from the inlet () and the outlet (). The Helmholtz neck () is disposed on the inner shell () or one of the pair of partition walls (). 1. An exhaust device comprising:an outer shell;an inlet extending from the outer shell and receiving exhaust gas;an outlet extending from the outer shell;an inner shell received within the outer shell, the inner shell defining an inner volume, a plurality of first circumferential openings therethrough fluidly communicating the inlet with the inner volume, and a plurality of second circumferential openings therethrough fluidly communicating the outlet with the inner volume;a pair of partition walls disposed between the inner shell and the outer shell, wherein the pair of partition walls, the inner shell and the outer shell define a Helmholtz chamber therebetween, wherein the pair of partition walls seal the Helmholtz chamber from the inlet and the outlet; anda Helmholtz neck disposed on the inner shell or one of the pair of partition walls, the Helmholtz neck fluidly communicating the inner volume with the Helmholtz chamber;wherein the inner shell is radially offset from the outer shell ...

Exhaust System For A Vehicle

An exhaust system for a vehicle including a deep snow exhaust outlet defined by a driveline structural member of the vehicle. If the vehicle includes a turbo charger and an exhaust silencer, the turbocharger and the exhaust silencer are coupled together without exhaust piping therebetween. 1. An exhaust system for a vehicle comprising:a turbocharger assembly; andan exhaust silencer, the turbocharger assembly and the exhaust silencer are coupled together without exhaust piping therebetween.2. The exhaust system of claim 1 , wherein the turbocharger assembly includes a turbine housing with a turbocharger turbine therein claim 1 , the turbine housing is connected to the silencer without intermediary exhaust piping therebetween.3. The exhaust system of claim 1 , wherein the turbocharger assembly and the exhaust silencer are directly coupled together.4. The exhaust system of claim 1 , wherein the vehicle includes at least one snow ski.5. The exhaust system of claim 1 , further comprising an adaptor flange connecting the turbocharger assembly and the exhaust silencer together.6. The exhaust system of claim 5 , wherein the adaptor flange is bolted to a turbine housing of the turbocharger assembly and to the exhaust silencer.7. The exhaust system of claim 1 , further comprising a v-band flange directly connecting the turbocharger assembly and the exhaust silencer together.8. The exhaust system of claim 7 , wherein the v-band flange is part of the exhaust silencer and a turbine housing of the turbocharger assembly is clamped to the v-band flange.9. The exhaust system of claim 7 , wherein the v-band flange is part of a turbine housing of the turbocharger assembly and the exhaust silencer is clamped to the v-band flange.10. The exhaust system of claim 1 , wherein the turbocharger assembly is fully supported by the exhaust silencer.11. The exhaust system of claim 1 , wherein engine exhaust exiting the turbocharger assembly flows directly into the exhaust silencer without ...

EXHAUST GAS SENSOR MOUNTING STRUCTURE

An exhaust gas sensor mounting structure includes: an exhaust pipe attached to a vehicle engine; a catalyst unit which cleans exhaust gas of the engine; a silencer connected to a downstream portion of the exhaust pipe; and an exhaust gas sensor which detects a prescribed component of the exhaust gas; at least part of the catalyst unit is located in the silencer; at least part of a pipe that is connected to a downstream end portion of the catalyst unit extends alongside an outer surface of the silencer; and the exhaust gas sensor is attached so as to penetrate through an outer wall of the silencer and a wall of the pipe. 1. An exhaust gas sensor mounting structure comprising:an exhaust pipe attached to a vehicle engine;a catalyst unit which cleans exhaust gas of the engine;a silencer connected to a downstream portion of the exhaust pipe; andan exhaust gas sensor which detects a prescribed component of the exhaust gas, wherein:at least part of the catalyst unit is located in the silencer;at least part of a pipe that is connected to a downstream end portion of the catalyst unit extends alongside an outer surface of the silencer; andthe exhaust gas sensor is attached so as to penetrate through an outer wall of the silencer and a wall of the pipe.2. The exhaust gas sensor mounting structure according to claim 1 , wherein:the pipe is a U-shaped pipe, a downstream end portion of which is located on front side of the center, in a front-rear direction, of the silencer; andthe exhaust gas sensor is attached to the downstream end portion of the pipe.3. The exhaust gas sensor mounting structure according to claim 1 , wherein the catalyst unit and the exhaust gas sensor are arranged side by side in a vertical plane including a left-right direction in a front half portion of the silencer.4. The exhaust gas sensor mounting structure according to claim 2 , wherein the catalyst unit and the exhaust gas sensor are arranged side by side in a vertical plane including a left-right ...

Engine

An engine capable of reducing the content of hydrocarbon in exhaust gas is provided. When viewed parallel to cylinder center axes, tangential virtual lines extending from endpoints of curved port central axes along tangent lines of the endpoints pass intake valve ports, straight port central axes extending from the endpoints of the curved port central axes are further away from a partition wall than the tangential virtual lines, and intake air bent through curved ports passes straight ports and is sucked through the intake valve ports along the wall between the cylinders.

EMISSION SIGNATURE MODIFICATION DEVICE

An emission signature modification device for modifying an acoustic signature of an exhaust gas stream, including an exhaust gas guiding device that guides the exhaust gas stream in the flow direction thereof from an inlet area to an outlet area. An active acoustic emission modification device modifies the acoustic emission of the exhaust gas stream in predetermined operating states. If an actuator system of the active acoustic emission modification device is designed such that in a circumferential direction, the actuator system is surrounded by more than 30% of the guided exhaust gas stream, the actuating system can be protected against harmful influences from the environment by way of the exhaust gas guiding device on the one hand, and on the other hand, the required space signifier can be reduced as compared to a lateral, external arrangement of the actuating system. 115-. (canceled)16. An emission signature modification device for modification of an acoustic signature of an exhaust gas stream , comprising: an exhaust gas guiding device that guides the exhaust gas stream a flow direction from an inlet region to an outlet region; and an active acoustic emission modification device , that modifies an acoustic emission of the exhaust gas stream in predetermined operating states , wherein the active acoustic emission modification device includes an actuator system , wherein more than 30% of the actuator system is surrounded in a circumferential direction by the guided exhaust gas stream.17. The emission signature modification device according to claim 16 , wherein the exhaust gas guiding device has an outer shell claim 16 , wherein the exhaust gas stream is passed at least partially through the outer shell.18. The emission signature modification device according to claim 17 , wherein the exhaust gas guiding device includes an inner shell claim 17 , wherein the exhaust gas stream is guided at least partially between the outer shell and the inner shell of the exhaust ...

EXHAUST UNIT

One aspect of the present disclosure provides an exhaust unit including a housing, a wall member, a catalyst, and a muffler chamber. The housing includes a feed inlet and a discharge outlet. The housing is configured such that an exhaust gas of an internal combustion engine is introduced from the feed inlet, and the exhaust gas is discharged from the discharge outlet. The wall member is disposed in the housing, and forms a cylindrical flow path that guides a flow of the exhaust gas introduced from the feed inlet to curve along an outer circumference of an interior of the housing. The catalyst is disposed in the flow path. The muffler chamber communicates with the flow path in a downstream side of the catalyst in the flow path. The wall member serves as a part of a wall that defines an inside and an outside of the muffler chamber. 1. An exhaust unit comprising: a feed inlet; and', 'a discharge outlet,, 'a housing comprisingthe housing being configured such that an exhaust gas of an internal combustion engine is introduced from the feed inlet, and the exhaust gas is discharged from the discharge outlet;a wall member disposed in the housing, and forms a cylindrical flow path that guides a flow of the exhaust gas introduced from the feed inlet to curve along an outer circumference of an interior of the housing;a catalyst disposed in the flow path; anda muffler chamber communicating with the flow path in a downstream side of the catalyst in the flow path,wherein the wall member serves as a part of a wall that defines an inside and an outside of the muffler chamber.2. The exhaust unit according to claim 1 ,wherein the wall member and an outer wall of the housing form the flow path.3. The exhaust unit according to claim 1 , a first member;', 'a second member assembled with the first member;', 'a slope portion provided to at least one of the first member and the second member, the slope portion being configured such that an interval between the first member and the second ...

Vehicle Comprising a Dual-Branch Exhaust System

A vehicle has an internal combustion engine and an exhaust system. The exhaust system has a first exhaust tract with a first exhaust outlet extending into the atmosphere as well as a second exhaust tract with a second exhaust outlet extending into the atmosphere. The second exhaust outlet is located in front of the first exhaust outlet in the direction of travel of the vehicle. 1. A vehicle , comprising:an internal combustion engine; andan exhaust-gas system which has at least one first exhaust-gas tract with at least one first exhaust-gas outlet opening into surroundings and at least one second exhaust-gas tract with at least one second exhaust-gas outlet opening into the surroundings, whereinas viewed in a direction of travel of the vehicle, the at least one second exhaust-gas outlet is located in front of the at least one first exhaust-gas outlet.2. The vehicle as claimed in claim 1 , whereinas viewed in a side view of the vehicle, the first exhaust-gas outlet is located in a rear vehicle half and the second exhaust-gas outlet is located in a front vehicle half.3. The vehicle as claimed in claim 1 , whereinthe first exhaust-gas outlet is located behind a rear axle of the vehicle.4. The vehicle as claimed in claim 1 , whereinthe second exhaust-gas outlet is located in front of a bulkhead of the vehicle.5. The vehicle as claimed in claim 4 , whereinthe internal combustion engine is situated in front of the bulkhead of the vehicle.6. The vehicle as claimed in claim 1 , whereinthe first exhaust-gas tract has a first exhaust-gas pipe and the second exhaust-gas tract has a second exhaust-gas pipe, anda flow cross section of the first exhaust-gas pipe is smaller than a flow cross section of the second exhaust-gas pipe.7. The vehicle as claimed in claim 6 , whereina ratio between the flow cross section of the first exhaust-gas pipe and that of the second exhaust-gas pipe lies in a range between 5% and 50%.8. The vehicle as claimed in claim 1 , whereinthe internal ...

SILENCER AND CATALYTIC CONVERTER APPARATUS WITH ADJUSTABLE BLOCKING PANEL

A silencer and catalytic converter apparatus includes a housing and a frame assembly arranged in the housing. The frame assembly may receive at least one catalyst panel and support the catalyst panel to occupy an area of a flow passage between upstream and downstream chamber sections of the housing. A blocking panel may be supported by the frame assembly to obstruct a remaining area of the flow passage so that fluid flowing between the upstream and downstream chamber sections is directed to flow through the catalyst panel. The blocking panel may be adjustable to accommodate catalyst panels of different sizes. 1. A silencer and catalytic converter apparatus , comprising:a housing comprising an inlet port, an outlet port spaced apart from the inlet port in an axial direction, an upstream chamber section enclosed by the housing in fluid communication with the inlet port, a downstream chamber section enclosed by the housing in fluid communication with the outlet port, and an access opening;a frame assembly arranged in the housing and defining a flow passage between the upstream and downstream chamber sections, the frame assembly for receiving at least one catalyst panel inserted through the access opening and supporting the at least one catalyst panel to occupy an area of the flow passage; anda blocking panel supported by the frame assembly to obstruct a remaining area of the flow passage so that fluid flowing between the upstream and downstream chamber sections is directed to flow through the at least one catalyst panel, the blocking panel being adjustable to accommodate catalyst panels of different sizes.2. The apparatus of claim 1 , wherein the flow passage has a width extending in the axial direction partially between the inlet and outlet ports claim 1 , the at least one catalyst panel occupies a portion of the width claim 1 , and the blocking panel is adjustable to obstruct a remaining portion of the width adjacent to the at least one catalyst panel.3. The ...

Exhaust-Gas After-Treatment Device

Disclosed is an exhaust-gas after-treatment device for an internal combustion engine, in particular for a ship's diesel internal combustion engine that is operated with heavy oil, including: a housing through which exhaust gas flows; exhaust-gas purification chambers formed in the housing, which chambers hold catalysts and/or particulate filters in order to purify the exhaust gas; and muffler chambers formed in the housing, which chambers have a defined depth for muffling sound in the flow direction. The exhaust-gas purification chambers and the muffler chambers are arranged spatially in series and parallel to one another on the flow side.

EXHAUST MUFFLER STRUCTURE

An exhaust muffler structure to which an exhaust pipe for guiding exhaust gas from an engine to an exhaust muffler is connected, the exhaust muffler structure comprising a catalyst device, included inside the exhaust muffler structure, having a catalyst for purifying the exhaust gas of the engine, wherein the catalyst device has one end connected to the exhaust pipe and is supported inside the exhaust muffler via the exhaust pipe, and a body portion of the catalyst device is supported by a first partition wall having an inner partition wall and an outer partition wall that is on the outer side of the inner partition wall, and the outer partition wall is fixed to the inner wall of the exhaust muffler, and the inner partition wall is fixed to the outer wall of the catalyst device. 1. An exhaust muffler structure to which an exhaust pipe for guiding exhaust gas from an engine to an exhaust muffler is connected , the exhaust muffler structure comprising:a catalyst device, included inside the exhaust muffler structure, having a catalyst for purifying the exhaust gas of the engine, whereinthe catalyst device has one end connected to the exhaust pipe and is supported inside the exhaust muffler via the exhaust pipe, and a body portion of the catalyst device is supported by a first partition wall having an inner partition wall and an outer partition wall that is on an outer side of the inner partition wall, andthe outer partition wall is fixed to an inner wall of the exhaust muffler, and the inner partition wall is fixed to an outer wall of the catalyst device.2. The exhaust muffler structure according to claim 1 , whereinthe outer partition wall and the inner partition wall respectively have cylindrical contact surfaces that come in contact with one another, and the outer partition wall and the inner partition wall are provided slidably with respect to one another.3. The exhaust muffler structure according to claim 2 , whereinthe catalyst is a metal catalyst that is ...

OUTLET FOR EXHAUST GAS AFTERTREATMENT MODULE

An aftertreatment module is disclosed. The aftertreatment module may include a housing and a mounting plate within the housing that forms an inlet chamber and an outlet chamber. The aftertreatment module may include an inlet for exhaust gas from a combustion engine to flow into the inlet chamber and an outlet through a top plate of the housing for the exhaust gas to flow from the outlet chamber, wherein the outlet comprises a plurality of perforations. The aftertreatment module may include an outlet sensor mounted on the outlet to obtain information relating to the exhaust gas as the exhaust gas flows from the outlet chamber and a set of catalysts mounted to the mounting plate to treat the exhaust gas as the exhaust gas flows from the inlet chamber to the outlet chamber. The aftertreatment module may include a drain port through a side plate of the housing. 1. An aftertreatment module , comprising:a housing;a mounting plate within the housing that forms an inlet chamber on a bottom side of the mounting plate and an outlet chamber on a top side of the mounting plate;an inlet through a bottom plate of the housing for exhaust gas from a combustion engine to flow into the inlet chamber; 'wherein the outlet comprises a plurality of perforations;', 'an outlet through a top plate of the housing for the exhaust gas to flow from the outlet chamber,'}an outlet sensor mounted on the outlet to obtain information relating to the exhaust gas as the exhaust gas flows from the outlet chamber;a set of catalysts mounted to the mounting plate to treat the exhaust gas as the exhaust gas flows from the inlet chamber to the outlet chamber; anda drain port through a side plate of the housing.2. The aftertreatment module of claim 1 , wherein the plurality of perforations of the outlet are to facilitate flow of the exhaust gas from the outlet chamber.3. The aftertreatment module of claim 1 , wherein the plurality of perforations of the outlet are to promote mixing of the exhaust gas as the ...

Exhaust Gas Aftertreatment Device And Exhaust Gas Aftertreatment Method

An exhaust-gas aftertreatment device () for an internal combustion engine, particularly for a marine diesel internal combustion engine operated using heavy fuel oil, includes a housing (); an exhaust-gas chamber () defined by the housing (), for permitting exhaust gas to flow continuously through the housing (), an inlet () for permitting exhaust gas to flow into the housing and an outlet () for permitting exhaust gas to flow out of the housing (); a sound damping chamber (), defined by the housing () and coupled with the exhaust-gas chamber (). The sound dampening chamber () is constructed to receive a fluid or a pourable solid at a fill level depending on the frequency of an exhaust sound to be damped. 114-. (canceled)1510. An exhaust-gas aftertreatment device () for an internal combustion engine , particularly for a marine diesel internal combustion engine operated using heavy fuel oil , comprising:{'b': '11', 'a housing ();'}{'b': 12', '11', '11, 'an exhaust-gas chamber () defined by the housing () for permitting exhaust gas to flow continuously through the housing ();'}{'b': 13', '14', '11, 'an inlet () for permitting exhaust gas to flow into the housing and an outlet () for permitting exhaust gas to flow out of the housing ();'}{'b': 15', '11', '12', '15, 'a sound damping chamber (), defined by the housing () and coupled with the exhaust-gas chamber (), the sound dampening chamber () constructed to receive a fluid or a pourable solid at a fill level depending on the frequency of an exhaust sound to be damped.'}16271516151715. The exhaust-gas aftertreatment device according to claim 15 , additionally comprising a control device () for setting the fill level in the sound damping chamber () by an inflow () of the sound damping chamber () and an outflow () of the sound damping chamber ().1727161715. The exhaust-gas aftertreatment device according to claim 16 , wherein the control device () is constructed for automatically determining and claim 16 , based on the ...

EXHAUST GAS HEAT RECOVERY SYSTEM AND EXHAUST SYSTEM

An exhaust gas heat recovery system for an internal combustion engine has a pump for conveying an operating fluid, an evaporator for converting the operating fluid from the liquid state to the gaseous state, and a condenser for liquefaction of the operating fluid, and having an expansion engine through which the gaseous operating fluid can flow. A sensor is arranged on the expansion engine with which a function of the expansion engine can be monitored. An exhaust system may have such an exhaust gas heat recovery system, and a method for the diagnosis of such an exhaust heat recovery system. 1. An exhaust gas heat recovery system for an internal combustion engine , comprising:a pump for conveying an operating fluid,an evaporator for converting the operating fluid from the liquid state to the gaseous state,a condenser for liquefaction of the operating fluid,an expansion engine through which the gaseous operating fluid flows, anda sensor arranged on the expansion engine with which a function of the expansion engine can be monitored.2. The exhaust gas heat recovery system according to claim 1 , wherein the sensor is designed as a piezoresistive motion sensor.342. The exhaust gas heat recovery system according to claim 1 , wherein the sensor () is designed as a structure-borne noise sensor.4. The exhaust gas heat recovery system according to claim 1 , wherein the sensor is arranged on a housing of the expansion engine.5. The exhaust gas heat recovery system according to claim 1 , wherein the expansion engine is designed as an axial piston expander.6. The exhaust gas heat recovery system according to claim 5 , wherein a solder of the bearing surface of the sensor is at right angles to the direction of movement of the piston of the axial piston expander.7. The exhaust gas heat recovery system according to claim 1 , wherein the expansion engine is designed as a scroll expander.8. The exhaust gas heat recovery system according to claim 7 , wherein the sensor is arranged ...

EXHAUST GAS AFTERTREATMENT DEVICE

A device for the aftertreatment of exhaust gases of an internal combustion engine, having at least one catalytic converter, through which exhaust gas can flow, and at least one muffler formed by a closed volume and through which exhaust gas can flow along an inflow section to an outflow section. The catalytic converter is formed by a honeycomb body that has a plurality of flow channels through which exhaust gas can flow. The honeycomb body is accommodated in a casing tube, which surrounds the honeycomb body, and is connected to the casing tube in a materially bonded manner. The catalytic converter is arranged in the interior of the muffler. 112.-. (canceled)13. A device for aftertreatment of exhaust gases of an internal combustion engine , comprising:at least one muffler formed by a closed volume and through which the exhaust gases can flow along an inflow section to an outflow section; and a casing tube; and', 'a honeycomb body accommodated in the casing tube that surrounds the honeycomb body, and which has a plurality of flow channels through which the exhaust gases can flow;', 'wherein the honeycomb body is connected to the casing tube in a materially bonded manner., 'at least one catalytic converter arranged in an interior of the at least one muffler and through which the exhaust gases can flow, the at least one catalytic converter comprising14. The device as claimed in claim 13 , wherein the at least one catalytic converter is fluidically connected to the inflow section and/or to the outflow section.15. The device as claimed in claim 13 , wherein a cross section of the casing tube is the same size as a flow cross section of the inflow section and/or of the outflow section.16. The device as claimed in claim 13 , wherein the inflow section and/or the outflow section are/is formed by a pipe.17. The device as claimed in claim 13 , wherein claim 13 , along its extent arranged within the at least one muffler claim 13 , at least one of the inflow section and the ...

Exhaust system of outboard motor

An outboard motor includes a multi-cylinder engine which includes cylinders longitudinally oriented and vertically paralleled in a cylinder block, a cylinder head arranged at a rearward position of the cylinder blocks, and a crankcase arranged at a forward position of the cylinder block, the cylinder head having an outlet of an exhaust port at one side thereof. An exhaust system for the outboard motor includes an exhaust manifold which communicates the outlet of the exhaust port with an exhaust outlet opening, the exhaust manifold including a first exhaust gas passage extending in a vertical direction for gathering exhaust gas discharged from the outlet of each exhaust port and a second exhaust gas passage extending in a vertical direction adjacently to the first exhaust gas passage, and a catalyst unit is provided on the way of the second exhaust gas passage.

Exhaust device for internal combustion engines

Exhaust system for internal combustion engines with a main flow line, which has a silencer (32) and - arranged downstream of this - two catalytically acting exhaust treatment bodies (18, 20), characterised in that a bypass flow line (10) for a section (8, 30, 40, 34, 36, 18) of the main flow line is provided, which bypasses the silencer (32) and one of the two exhaust treatment bodies (18, 20); and in that the section (8, 30, 40, 34, 36, 18) of the main flow line is closable. <IMAGE>

Method of polymerizing olefins

올레핀 중합 촉매의 존재 하에, 올레핀을 연속적으로 중합하는 방법이 개시된다. 상기 올레핀의 중합방법은, 유기 금속 화합물; 알루미녹산; 및 유기 전이금속 화합물을 포함하는 촉매의 존재 하에서, 하나 이상의 올레핀을 기상 중합하며, 상기 촉매는, 기상 중합 반응기 지름(D)의 1/2배로부터 4배까지의 높이에서 반응기로 투입되는 것을 특징으로 한다. A method of continuously polymerizing olefins in the presence of an olefin polymerization catalyst is disclosed. The polymerization method of the said olefin is an organometallic compound; Aluminoxanes; And gas phase polymerizing one or more olefins in the presence of a catalyst comprising an organic transition metal compound, wherein the catalyst is introduced into the reactor at a height from 1/2 times to 4 times the diameter of the gas phase polymerization reactor (D). It is done. 유기금속 화합물, 알루미녹산, 유기 전이금속 화합물, 촉매, 올레핀 중합 Organometallic Compound, Aluminoxane, Organic Transition Metal Compound, Catalyst, Olefin Polymerization

Dispositif et procede de traitement catalytique des gaz d'echappement.

Dispositif de traitement catalytique des gaz dans une ligne d'échappement de véhicule, comportant en série un catalyseur d'oxydation (1) et un catalyseur RCS (4), caractérisé en ce que le catalyseur RCS (4) est associé à des moyens de réduction (6, 7, 8) de la contre pression qu'il crée lui-même dans la ligne d'échappement.

METHOD FOR UNBLOCKING PORES IN A SELECTIVE CATALYTIC REDUCTION CATALYST

The invention concerns a method for unblocking pores in a metal zeolite based selective catalytic reduction (SCR) catalyst. The method includes filling, at least partially, the SCR catalyst with a liquid, the liquid being preferably distilled water. The method includes letting said liquid inside the SCR catalyst enough time to allow said liquid to dissolve, at least partially, the obstructions and to penetrate into the pores. The method includes heating the SCR catalyst at a temperature above the ebullition temperature of the liquid so as to vaporize the part of the liquid remained into the pores, and generate steam flows through the obstructions, the steam flows removing the obstructions and unblocking the pores, wherein no hydrocarbons are injected during the step of heating. 1. A method for unblocking pores blocked by obstructions , inside a selective catalytic reduction (SCR) catalyst comprising a zeolite , whereby the SCR catalyst is contained inside a muffler which is part of an exhaust after treatment system (EATS) of a vehicle , wherein the method includes:filling in which a liquid is introduced inside the muffler so as to fully immerse each SCR catalyst into the liquid;soaking during which a proportion of the liquid introduced inside the muffler spreads into the pores of the zeolite;draining, at which the excess of liquid introduced inside the muffler is removed out of the muffler; anddrying, at which the SCR catalyst is heated at a temperature above an ebullition temperature of the liquid so as to vaporize the liquid remaining in the pores and generate steam flows through the obstructions, the steam flows removing the obstructions and unblocking the pores, and wherein no hydrocarbons are injected during the drying.2. The method according to claim 1 , wherein the step of drying comprises letting hot gas claim 1 , comprising at least one of exhaust gas or hot air claim 1 , flowing through the muffler.3. The method according to claim 1 , further comprising a ...

Method of coating application on carrier body

FIELD: chemistry. SUBSTANCE: invention relates to a method of applying a catalytic coating on a monolithic honeycomb element, in particular to a so-called flow-through monolithic support. Monolithic carriers of this kind can be coated with sufficient accuracy using a method of indirect coating by means of a displacer. Method of applying coatings from liquid media intended for this purpose onto substrates for production of catalytic neutralisers of exhaust gases, in particular for mechanical vehicles. Substrates are cylindrical carrier bodies and have two end surfaces (301), side surface (302), axial length L and multiple channels (310) extending from first end surface to second end surface. Method is implemented by means of cylinder (102) filled with liquid (103), having piston (101) and communicating with reservoir (112). In reservoir (112) there is displacer (111) such that when piston (101) moves, displacer (111) is driven by fluid (103) in proportion to it. Container (112) is connected with device (122) for application of coating on substrate. Dispenser (111) acts on liquid medium (113) for coating application, as a result of which there is proportional change of its level in device (122) for coating application. Displacement of piston (101), leading to reduction of displacer (111), is controlled from the condition that the rate of displacement of piston (101) does not exceed the limit value, thereby preventing formation of bubbles in the liquid composition of the coating from the porous oxide. Speed of piston movement (101), leading to reduction of displacer (111), is set in range from 0.01 to 3 m/s. EFFECT: technical result of invention is higher uniformity of used for coating suspension without formation of bubbles, as well as reliability of applying coating on monolithic carriers in minimum time. 4 cl, 3 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 693 135 C2 (51) МПК B05D 7/22 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ...

Muffler integrated type gasoline particulate filter

본 발명은 필터 내부의 형상 변화를 통해 필터 고유의 기능과 머플러의 기능을 동시에 구현하도록 한 머플러 통합형 매연저감장치에 관한 것으로, 입구가 막힌 제1채널과 출구가 막힌 제2채널이 교번하여 배치되고, 각 채널을 이루는 벽면에 배기가스가 통과하면서 매연입자를 포집하는 필터; 상기 제1채널과 제2채널의 길이방향을 따라 내벽면에 부분적으로 형성하여, 각 채널을 따라 유동하는 배기가스의 소음을 감소시키는 격벽부;를 포함하여 구성되는 머플러 통합형 매연저감장치가 소개된다. [0001] The present invention relates to a muffler-integrated smoke eliminating apparatus for simultaneously realizing a function inherent to a filter and a function of a muffler through a change in the shape of the inside of the filter, wherein a first channel with an inlet closed and a second channel with an outlet closed are arranged alternately A filter that collects the soot particles while exhaust gas passes through a wall surface of each channel; And a partition wall partly formed on the inner wall surface along the longitudinal direction of the first channel and the second channel to reduce noise of the exhaust gas flowing along each of the channels, .

Exhaust gas purification device

Process for coating a substrate body

본 발명은 허니컴 모놀리스, 특히 소위 관류 모놀리스를 촉매로 코팅하는 특정 방법에 관한 것이다. 이러한 형태의 모놀리스들은 변위체를 통한 간접 코팅을 사용하는 방법에 의해 아주 정밀하게 코팅될 수 있다. 본 발명은 특정 조치에 의해 상기 공정을 제어하는 것을 통하여 이러한 방법을 개선한다. The present invention relates to a specific process for coating honeycomb monoliths, in particular so-called perfusion monoliths, with catalyst. Monoliths of this type can be coated with great precision by a method using indirect coating through a displacement element. The present invention improves on this method through controlling the process by specific measures.

Exhaust silencer

FIELD: engine engineering. SUBSTANCE: exhaust silencer with a catalytic neutralizer comprises housing provided with a tubular member with a catalytic neutralizer. Exhaust gases enter the silencer through a Venturi nozzle, flows through a set of diaphragms made of a ceramic material treated with catalytic materials, and purified gases are discharged through the outlet pipe of the silencer. The ceramic diaphragms can be as a cap and provided with through openings or oval with perforated wall. The ceramic members can be provided with members formed by the plate with side flanges that define opposite spaces. It can be possible to provide different combinations of the members to fit a particular engine. EFFECT: enhanced silencing. 7 cl, 11 dwg 121690с ПЧ ГЭ РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) ВИ” 2 069 771 ' (51) МПК 13) С1 Е Ол М 1/04, 3/00 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 5052559/06, 03.09.1992 (30) Приоритет: 04.09.1991 ПТ МТА 91 002347 05.03.1992 11 М1 92 000206 (46) Дата публикации: 27.11.1996 (56) Ссылки: Патент США М 36489213, кл. 219-60, 1971. Патент США М 4094645, кл. 23-288, 1977. Европейский патент М 263893, кл. Е 01 М 3/28, 1990. Европейский патент М 0387422, кл. Е 01 М 3/28, 1988. Авторское свидетельство СССР М 1305410, кл. Е 01 М 1/00, 1987. (71) Заявитель: Гавони Б.Г.М. Силенциатори ди Альбино Гавони энд К.Саа.с. (1Т) (72) Изобретатель: Альбино Гавони[П] (73) Патентообладатель: Гавони Б.Г.М. Силенциатори ди Альбино Гавони энд К.Саа.с. (1Т) (54) ГЛУШИТЕЛЬ (57) Реферат: Использование: в двигателях внутреннего сгорания для нейтрализации выхлопных газов и снижения содержания вредных газов. Сущность изобретения: глушитель в комбинации С каталитическим нейтрализатором содержит корпус, внутри которого расположен трубчатый элемент с каталитическим нейтрализатором. Выхлопные газы двигателя поступают в глушитель через сопло Вентури, проходят через ряд диафрагм, изготовленных из керамического материала, ...

Vehicle

차량은 배기 통로 (50) 에 있어서의 대시 패널 (20) 보다 차량 전측의 부분에 형성되는 취약부, 및 맞댐부 (60 ; 160) 를 포함한다. 상기 취약부는 상기 배기 통로 (50) 에 있어서의 다른 부분에 비해, 차량 전방으로부터의 힘에 의해 파단되기 쉽다. 상기 맞댐부 (60 ; 160) 는, 상기 배기 통로 (50) 에 있어서의 상기 대시 패널 (20) 보다 차량 전측으로서 상기 취약부보다 차량 후측의 부분, 및 차량의 프레임 구조 중 상기 대시 패널 (20) 을 지지하는 골격 부재 (13) 의 일방에 형성되고, 일방으로부터 타방을 향하여 돌출되어 차량 전후 방향에 있어서 타방과 대향한다. The vehicle includes a weak portion formed in a portion of the vehicle front side rather than the dash panel 20 in the exhaust passage 50 , and abutting portions 60 ; 160 . The weak portion is more likely to be broken by a force from the front of the vehicle compared to other portions in the exhaust passage 50 . The abutting portion (60; 160) is a vehicle front side of the dash panel (20) in the exhaust passage (50), a vehicle rear side portion than the weak portion, and the dash panel (20) in the frame structure of the vehicle It is provided in one side of the frame member 13 to support, and it protrudes toward the other from one side, and opposes the other in the vehicle front-back direction.

exhaust gas purifier

차체에 탑재된 엔진 바로 뒤의 배기 가스 통로에 배치된 전단 산화 촉매와, 상기 전단 산화 촉매의 주위를 덮도록 마련되어, 상기 엔진에 의해 생성된 배기 가스를 소음하면서 배출하는 머플러를 구비하고, 상기 머플러는, 엔진 바로 뒤의 상류측 배기관에 접속되어, 배기 가스가 유입되는 유입구와, 하류측 배기관에 접속되어, 상기 유입구로부터 유입된 상기 배기 가스가, 상기 전단 산화 촉매를 통과한 후, 배출되는 유출구를 갖도록 구성한다. A front-end oxidation catalyst disposed in an exhaust gas passage directly behind an engine mounted on a vehicle body, and a muffler provided to cover a periphery of the front-end oxidation catalyst and for emitting exhaust gas generated by the engine while silenced, the muffler comprising: is connected to an upstream exhaust pipe immediately behind the engine, an inlet through which exhaust gas flows, and an outlet connected to a downstream exhaust pipe, through which the exhaust gas flowing in from the inlet passes through the front-stage oxidation catalyst and then is discharged configured to have

Detachable filter and muffler device

This invention relates to a detachable filter and muffler device used in an exhaust system, wherein the filter and muffler device is easily detachable so that the maintenance of the exhaust system is simplified, and the cost of maintenance is reduced.

A diesel muffler attached selective catalytic reduction

본 고안은 선별적탈질촉매(SCR)를 사용한 디젤차량의 배기장치 중 엔진의 배기다기관에 연결장착되어 엔진으로부터의 질소산화물과 같은 매연 및 소음을 저감시키면서 배출하는 머플러에 관한 것으로, 더욱 상세하게는 차량하부에 수평으로 장착되며 긴 원통형으로 된 내층의 외주면 전체에 단열재층과 외층이 차례로 적층된 상태로 둘러싸고 있고 좌우측면 끝단에는 각각 측면판이 끼움결합된 상태로 용접부착되는 외부케이싱과, 상기 외부케이싱의 외주면 좌측에 일측이 직각방향으로 관통 삽입되어 고정부착되며 타측은 배기다기관의 프론트파이프에 연결되고 외부케이싱의 내측에 삽입된 부분의 외주면에는 전체적으로 다수개의 배기공이 천공되어 있는 배기가스유입관과, 서로 일정간격 이격된 상태로 외부케이싱의 내측 가운데 부분에 수직으로 용접부착되는 좌우 고정지지판이 구비되어 있고 상기 좌우 고정지지판에는 크고 작은 직경을 지닌 다수개의 촉매컨버터와 배기가스배출관이 수평방향으로 나란히 관통 삽입되어 있는 배기가스저감배출부로 구성되어 있되, 상기 다수개의 촉매컨버터는 좌우양측이 개방된 원통형의 하우징 내측에 다수개의 관통홀이 조밀하게 천공되어 있는 SCR촉매로 된 촉매부재가 삽입고정되어 있어 관통홀을 통과하는 배기가스 중 질소산화물을 상기 프론트파이프에 연결장착된 요소용액분무장치로부터 공급되는 산화제인 요소용액으로 환원시켜 우측 고정지지판과 우측 측면판 사이의 공간부로 배출하도록 되어 있고 상기 배기가스배출관은 좌측끝단이 좌측 측면판을 관통한 상태로 외측으로 위치되어 있어 환원처리된 상기 공간부의 배 기가스를 외부로 원활히 배출시키도록 되어 있는 것을 특징으로 하는 선별적탈질촉매가 구비된 디젤차량용 매연저감머플러에 관한 것이다. The present invention relates to a muffler that is connected to the exhaust manifold of an engine and exhausts it while reducing smoke and noise such as nitrogen oxides from the engine among exhaust devices of diesel vehicles using a selective denitrification catalyst (SCR). The outer casing is mounted horizontally under the vehicle and surrounds the entire outer circumferential surface of the long cylindrical inner layer in a state in which the insulation layer and the outer layer are sequentially stacked, and the outer casing is welded and attached to the left and right side ends with the side plates fitted, respectively, and the outer casing. An exhaust gas inlet pipe having one side penetrated in a right angle to the left side of the outer circumferential surface of the outer circumferential surface thereof and connected to the front pipe of the exhaust manifold, and a plurality of exhaust holes are perforated on the outer circumferential surface of the portion inserted inside the outer casing; Perpendicular to the inner middle part of the outer casing, spaced apart from each other The left and right fixed support plate is attached to ...

Insulated double-walled exhaust system component and method of making the same

本发明涉及一种双壁排气系统部件及其制造方法，所述双壁排气系统部件具有设置在内管和外管之间的中空陶瓷微球。所述中空陶瓷微球具有如下粒度分布，其中，基于总体积，至少90％的所述中空陶瓷微球具有小于150微米的尺寸。

Exhaust element for system for the discharge of gases

Die vorliegende Erfindung betrifft ein Auspuffelement (5), das eine Auspuffanlage (1) zum Ausströmen von von der Verbrennung eines Kraftstoffes im Inneren eines thermischen Verbrennungsmotors (2) herrührenden Gasen enthält, und umfasst in Richtung der Strömung der Gase einerseits ein erstes Mittel (8) zum Anschließen an eine stromaufwärts gelegene Rohrleitung (3) zum Befördern der vom Motor (2) kommenden Gasen, anderseits eine erste Auspuff- (9) und eine zweite Auspuffrohrleitung (10), wobei diese beiden Rohrleitungen (9; 10) parallel verlaufen und an das genannte erste Anschlussmittel (8) angeschlossen sind, und anderseits noch ein zweites Mittel (13) zum Anschließen an eine stromabwärts gelegene Rohrleitung (6) zum Abführen der Gase, die an die genannten parallelen Auspuffrohrleitungen (9; 10) angeschlossen ist. Dieses Auspuffelement (5) ist durch die Tatsache gekennzeichnet, dass einerseits die erste Rohrleitung (9) ein Element zum Umweltschutz gegen Verschmutzung (11) umfasst, anderseits die zweite Rohrleitung (10) einen Schalldämpfer (12) umfasst, und anderseits noch das zweite Anschlussmittel (13) von einem Drei-Wege-Ventil (14) gebildet wird. The present invention relates to an exhaust element (5) which contains an exhaust system (1) for the outflow of gases resulting from the combustion of a fuel inside a thermal internal combustion engine (2), and comprises, on the one hand, a first means (8 ) for connection to an upstream pipe (3) for conveying the gases coming from the engine (2), on the other hand a first exhaust pipe (9) and a second exhaust pipe (10), these two pipes (9; 10) running parallel and connected to said first connection means (8), and on the other hand a second means (13) for connection to a downstream pipeline (6) for discharging the gases, which is connected to said parallel exhaust pipelines (9; 10). This exhaust element (5) is characterized by the fact that on the one hand the first pipe (9) comprises an element for environmental ...

Silencer for an exhaust line of a motor vehicle and motor vehicle comprising a silencer

External catalyst for small internal combustion engines

Muffler for vehicle

양측에 가스 유입부 및 가스 배출부가 각각 구비된 케이스; 케이스 내면과 이격되도록 케이스의 내부에 제공되고, 가스에 포함된 매연물질을 제거하며, 중공 형태의 여과부 케이스 및 여과부 케이스 내부에 구비되는 여과부재를 포함하는 여과부; 및 케이스의 내부에 구비되어 여과부와 케이스의 내면과 이격된 상태를 유지하게 하는 에어갭을 형성하고, 케이스 내부에 여과부의 양단을 장착 고정하는 분리판;을 포함하며, 분리판에는 여과부의 일단과 연통되며 가스의 유동을 가능하게 하는 연통홀, 여과부의 일단을 지지하는 지지부 및 지지부와 일체로 형성되어 케이스의 내면에 접촉 고정되는 플랜지부가 형성되고, 에어갭과 대응하도록 지지부와 플랜지부 사이에는 케이스의 길이 방향 또는 배기가스의 유동 방향과 교차하는 방향으로 분리부가 형성되어 에어갭에 존재하는 기체와 여과부재를 통과하는 기체와 혼합되는 것을 방지하는 차량용 머플러가 개시된다. 이로 인해 케이스 내부에 여과부를 지지 고정하기 위한 공정을 단순화할 수 있고, 일체형 분리판을 이용함으로서 제작 비용을 절감할 수 있다. A case having gas inlets and gas outlets respectively provided at both sides; A filtering unit provided inside the case so as to be spaced apart from the inner surface of the case, removing a soot material contained in the gas, and a filtration unit including a hollow filter unit case and a filtration member provided in the filter case; And a separating plate provided inside the case to form an air gap for maintaining a state separated from the inner surface of the filtering unit and the case, and mounting both ends of the filtering unit inside the case. A communication hole which communicates with the gas and allows gas flow, a support part for supporting one end of the filtration part, and a flange part which is integrally formed with the support part and fixed to the inner surface of the case, and is formed between the support part and the flange part to correspond to the air gap. Disclosed is a vehicle muffler which is formed in a longitudinal direction of the case or in a direction intersecting with the flow direction of the exhaust gas to prevent mixing of the gas present in the air gap and the gas passing through the filtration member. This can simplify the process for supporting and fixing the filtration unit inside the case, it is possible to reduce the manufacturing cost by using an integrated separator plate. 선택적 촉매 환원, 분리판, 지지부, 플랜지부 Selective Catalytic Reduction, Separator, Support, Flange

Patent JPH037007B2

Aparatus for decreasing exhausted overheating gas temperature of engine room

본 발명은 디젤엔진과 상기 디젤엔진의 배기관로와 연결되어 입자상 물질의 배출을 방지하는 매연저감장치를 포함하는 엔진룸의 과열가스 온도 저감장치 있어서, 상기 엔진룸의 일측에 관통형성되는 관통공, 일단은 상기 매연저감장치와 연결되고 타단은 상기 관통공을 통해서 상기 엔진룸 외부로 연장되며 상기 매연저감장치의 재생시 배출된 과열가스를 외부로 배출시키는 테일파이프, 상기 엔진룸 일측에 구비되어 외부의 공기를 유입시켜 기류를 생성시키는 냉각팬, 및 상기 관통공과 결합되어 상기 테일 파이프의 외경을 감싸 이격 공간을 형성하여 상기 테일 파이프와의 직접적인 접촉을 방지하고 상기 기류를 흡입 후 분산을 방지하여 상기 과열가스의 온도를 낮추는 디퓨져를 포함하는 것을 특징으로 하는 엔진룸의 과열가스 온도 저감장치가 제안된다. The present invention relates to a diesel engine and an overheated gas temperature reduction device of an engine room including a smoke reduction device connected to a diesel engine exhaust pipe to prevent the discharge of particulate matter, a through hole formed on one side of the engine room, One end is connected to the smoke reduction device and the other end extends to the outside of the engine room through the through hole, and a tail pipe for discharging the superheated gas discharged during the regeneration of the smoke reduction device to the outside, which is provided at one side of the engine room A cooling fan that introduces air into the air, and is combined with the through hole to form a space spaced around the outer diameter of the tail pipe to prevent direct contact with the tail pipe and to prevent dispersion after inhaling the air stream. The superheat gas temperature reduction device of the engine room, characterized in that it comprises a diffuser for lowering the temperature of the superheated gas Is suggested. 본 발명에 따른 엔진룸의 과열가스 온도 저감장치는 냉각팬에 의해 생성된 기류를 디퓨져에 의해 과열가스와 혼합시켜 과열가스의 온도를 낮춤으로써 화상과 같은 신체 상해와 화재의 위험을 제거할 수 있는 효과가 있다. The superheat gas temperature reducing device of the engine room according to the present invention can reduce the temperature of the superheated gas by mixing the airflow generated by the cooling fan with the superheated gas by a diffuser, thereby eliminating the risk of personal injury and fire such as burns. It works. 테일 파이프, 냉각팬, 디퓨져, 디젤엔진, 매연저감장치 Tail pipe, cooling fan, diffuser, diesel engine, smoke reduction device

Polluted air purifier

공기중에 부유하는 먼지등의 미립자, 연소기관으로 부터 발생하는 매연등의 미립자 및 배기중에 포함되는 질소 산화물(NO x )등의 대기오염 물질의 양을 저하시킬 수가 있는 오염공기용 정화장치, 먼지나 매연등의 미립자는 대전용메시부에서 부로 대전시키고, 그것을 정화용 필터부에서 쿨롬력에 의하여 집진한다. 또 NO x 는 탄소섬유 탄소입자의 작용에 의하여 N 2 및 CO 2 로 변화되어 농도가 저하된다. 탄소섬유 또는 탄소입자로서는 표면적이 커다란 (200~2,000m 2 /g)의 변성 탄소섬유 또는 탄소입자를 사용하는 것이 바람직하다.

Exhaust gas system

1474315 Exhaust silencers NISSAN MOTOR CO Ltd 4 Feb 1975 [23 May 1974] 4702/75 Heading F1B An exhaust muffler has a tubular body 18, closed at each end by plates 26, 28, and a plurality of exhaust gas tubes 30, 32, 34 arranged longitudinally of the body 18. The outlet end of each tube 30, 32 (except the last) opens into an expansion chamber 36, 38 and the inlet end of at least one tube 34 (except the first) is closed e.g. by a cap 40 which may have apertures and provided with peripherally arranged apertures 42 in its wall. This arrangement ensures that hot pieces of catalyst, which may break off from an afterburner, are trapped in an expansion chamber 38. The apertures 42 may have a circular configuration and a diameter of 2-8 mm. Their total cross-sectional area is preferably not less than ¢ of the cross-sectional area of the tubes in which they are made. In alternative arrangements (not shown) the tube may have its inlet end closed off by the end-plates (26) or an internal transverse partition.

Insulated double-walled exhaust system component and method of making the same

A double-walled exhaust system component having hollow ceramic microspheres disposed between inner and outer pipes and method of making the same. The hollow ceramic microspheres have a size distribution wherein, on a bulk volume basis, at least 90 percent of the hollow ceramic microsphere have a size of less than 150 micrometers.

Exhaust gas silencer for vehicle and featuring such exhaust gas silencer exhaust system and vehicle

FIELD: motor vehicle industry. SUBSTANCE: invention can be used in automobile exhaust systems. Exhaust gas silencer is intended for vehicle. Silencer (200) is configured to reduce noise emitted by vehicle exhaust gas system. Silencer (200) comprises housing (200a) defining exhaust gas inlet (200b) and exhaust gas outlet (200c), noise suppression device and radiator (210). Noise suppressing device is located inside housing (200a). First part of radiator (210) is located with possibility of being in exhaust gases flow inside housing (200a). Second part of radiator goes beyond outer wall of housing (200a). Radiator (210) is configured to transfer heat from exhaust gases beyond housing (200a) of silencer. First part of radiator (210) comprises first set of ribs, in which ribs pass in first direction from first end of radiator to outer wall of housing (200a). Exhaust system and vehicle are described. EFFECT: technical result consists in reduction of temperature of exhaust gases in sections of exhaust system, where high temperature of exhaust gases has no useful effect. 24 cl, 7 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 719 760 C2 (51) МПК F01N 1/02 (2006.01) F01N 13/08 (2010.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК F01N 1/02 (2019.08); F01N 1/04 (2019.08); F01N 1/08 (2019.08); F01N 1/083 (2019.08); F01N 1/24 (2019.08); F01N 13/14 (2019.08) (21)(22) Заявка: 2016128373, 13.07.2016 13.07.2016 Дата регистрации: 23.04.2020 23.07.2015 GB 1513027.1 (43) Дата публикации заявки: 18.01.2018 Бюл. № 2 (45) Опубликовано: 23.04.2020 Бюл. № 12 2 7 1 9 7 6 0 R U (54) ГЛУШИТЕЛЬ ШУМА ОТРАБОТАВШИХ ГАЗОВ ДЛЯ АВТОМОБИЛЯ И СОДЕРЖАЩИЕ ТАКОЙ ГЛУШИТЕЛЬ СИСТЕМА ВЫПУСКА ОТРАБОТАВШИХ ГАЗОВ И АВТОМОБИЛЬ (57) Реферат: Изобретение может быть использовано в Вторая часть радиатора выходит за пределы системах выпуска отработавших газов наружной стенки корпуса (200a). Радиатор (210) автомобиля. Глушитель шума отработавших выполнен с ...

Apparatus for purifying exhaust gases of diesel internal combustion engine

FIELD: engine engineering. SUBSTANCE: apparatus has a case provided with a filtering member which is regenerated periodically by burning out black, blower, and evaporating burner. The filtering member is positioned within the case to form a ring space made of a resonance chamber. The evaporating burner is coupled with the resonance chamber provided with gas- permeable damping material. EFFECT: enhanced quality of purification. 5 cl, 1 dwg 9;5;у600с ПЧ Го РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) ВИ” 2 009 335 ' 13) СЛ ОМК р 041 м 3/02 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 4742860/06, 12.12.1989 (46) Дата публикации: 15.03.1994 (71) Заявитель: И.Эбершпехер (ОЕ) (72) Изобретатель: Зигфрид Вернер[РЕ], Петер Райзер[0ОЕ], Петер Принц[ОЕ] (73) Патентообладатель: И.Эбершпехер (0Е) (54) УСТРОЙСТВО ДЛЯ ОЧИСТКИ ОТРАБОТАВШИХ ГАЗОВ ДИЗЕЛЬНОГО ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ (57) Реферат: Использование: устройства для очистки отработавших газов дизельных двигателей внутреннего сгорания. Сущность изобретения: устройство содержит корпус с фильтрующим патроном, периодически регенерируемым посредством выжигания сажи, воздуходувку, испарительную горелку, причем фильтрующий патрон установлен в корпусе с образованием кольцевой полости, выполненной в виде резонансной камеры, причем испарительная горелка сообщена с резонансной камерой, в последней размещен газопроницаемый демпфирующий материал. 4 3. п. ф-лы, 4 ил. 2009335 С1 КО 9;5;у600с ПЧ Го КУЗЗАМ АСЕМСУ ГОК РАТЕМТ$ АМО ТКАОЕМАКК$ (19) ВИ” 2 009 335 ' 13) СЛ 51° РОМ 3/02 12) АВЗТКАСТ ОЕ 1МУЕМТОМ (21), (22) АррИсаНоп: 4742860/06, 12.12.1989 (46) Бае ог рибИсаНоп: 15.03.1994 (71) АррИсапе: .ЕНВЕКЗНРЕКНЕК (0Е) (72) пуетог. — ИСЕЕО УЕКМЕКОЕ], РЕТЕК КАЗУЕКГОЕ], РЕТЕК РЕМТЗ[ОЕ] (73) Ргорпеюг: 3.ЕНВЕВКЗНРЕКНЕК (0Е) (54) АРРАКАТУ$З РОК РУНЕУ\УМС ЕХНАЧЗТ САЗЕЗ ОЕ ПИЕЗЕЕ 1МТЕКМАЕ СОМВУЗТЮМ ЕМСИМЕ (57) АБзГасЕ: НЕГО: епдте епдтеегпа. ЗУВЗТАМСЕ: аррагаш$ Паз а сазе ргомаея \мИП а Ниегпа тетрег ...

Muffler for 2-cycle internal combustion engine

Method for fabricating coil of geomagnetic sensor

시드층 및 포토레지스트 몰드(phtoresistor mold)를 형성하지 않고 광촉매를 이용하여 지자기 센서의 코일인 패터닝된 금속을 형성하는 지자기 센서의 코일 제조 방법이 개시된다. 기판 상부에 감광성 유기금속 화합물인 제1 광촉매를 형성하는 단계, 제1 광촉매의 영역 중 제1 금속층을 형성하고자 하는 영역을 노광시키는 단계, 제1 광촉매가 형성된 기판과 도금하고자 하는 금속을 반응시켜 노광된 영역에만 제1 금속층이 성장하도록 하여 바텀 코일(bottom coil)을 형성하는 단계, 바텀 코일 상부에 코어를 형성하는 단계, 코어 상부에 감광성 유기금속 화합물인 제2 광촉매를 형성하는 단계, 제1 광촉매의 영역 중 제1 금속층을 형성하고자 하는 영역을 노광시키는 단계, 및 제2 광촉매와 도금하고자 하는 금속을 반응시켜 노광된 영역에만 제2 금속층이 성장하도록 하여 탑 코일(top coil)을 형성하는 단계를 포함한다. 이로 인하여 코일의 제조공정이 간단해지며, 제조 단가를 낮출 수 있다. Disclosed is a method of manufacturing a coil of a geomagnetic sensor that forms a patterned metal that is a coil of a geomagnetic sensor using a photocatalyst without forming a seed layer and a photoresist mold. Forming a first photocatalyst of a photosensitive organometallic compound on the substrate, exposing a region of the first photocatalyst to form the first metal layer, and reacting the substrate on which the first photocatalyst is formed with a metal to be plated Forming a bottom coil by growing the first metal layer only in the exposed region, forming a core on the bottom coil, forming a second photocatalyst of a photosensitive organometallic compound on the top of the core, and a first photocatalyst Exposing a region to form the first metal layer among the regions of the photoresist, and reacting the second photocatalyst with the metal to be plated so that the second metal layer grows only in the exposed region to form a top coil. Include. This simplifies the coil manufacturing process and lowers the manufacturing cost. 광촉매, 감광성 유기금속 화합물, 코일, 도금 Photocatalyst, photosensitive organometallic compound, coil, plating

Conical cellular body with inclined, running radially outward channels

FIELD: gas industry. SUBSTANCE: invention relates to cellular body, which is used for cleaning exhaust gases. Rolled of layers or folded by layers (2, 3) cellular body (1) with central geometrical axis (4), and revolving symmetrically arranged around central axis (4) cavity (5), as well as outer side surface (6). Each layer (2, 3) passes concentrically around axis (4). At least one of layers (2), is structured at least, partially, so that layers (2, 3) form plurality of fluid flow channels (7), which from cavity (5) pass at non-right angle (α) of cone to central axis (4) outside to outer side surface (6). Channels (7) have varying in their passage from inside to outside cross-section (7i, 7a) of channels, and at least one structured layer (2) is located in turn with at least one intermediate layer (3; 8; 13; 23; 33), wherein layers are laid spirally upon each other. EFFECT: technical result is higher efficiency of cellular body, as well as ease of manufacture and adaptation to different spatial conditions during installation. 12 cl, 19 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 603 887 C2 (51) МПК F01N 3/28 (2006.01) B01J 35/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2014154139/06, 17.05.2013 (24) Дата начала отсчета срока действия патента: 17.05.2013 (72) Автор(ы): ШОРН Кристиан (DE), ЛИМБЕК Зигрид (DE) 01.06.2012 DE 102012104767.7 (43) Дата публикации заявки: 27.07.2016 Бюл. № 21 R U (73) Патентообладатель(и): ЭМИТЕК ГЕЗЕЛЬШАФТ ФЮР ЭМИССИОНСТЕХНОЛОГИ МБХ (DE) Приоритет(ы): (30) Конвенционный приоритет: (45) Опубликовано: 10.12.2016 Бюл. № 34 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 12.01.2015 2 6 0 3 8 8 7 (56) Список документов, цитированных в отчете о поиске: FR 2617903 A1, 13.01.1989. EP 0894949 A2, 03.02.1999. DE 10235691 A1, 19.02.2004. US 5506028 A, 09.04.1996. US 2008148945 A1, 26.06.2008. RU 2413575 C2, 10.03.2011. (86) Заявка PCT: 2 6 0 3 8 8 7 R U C 2 C 2 ...

Integrated gasoline particulate filter of silencer

一种消音器整合型汽油微粒过滤器包括过滤器，该过滤器具有第一表面和第二表面以及交替地设置的第一通道和第二通道，每个第一通道封闭于第二表面，并且每个第二通道封闭于第一表面，在废气穿过设置在第一通道与第二通道之间的壁表面时，过滤器收集废气微粒。该消音器整合型汽油微粒过滤器进一步包括突出壁，该突出壁在每个通道的纵向方向上形成在第一通道和第二通道中的每个通道的内壁表面上。突出壁降低了沿着第一通道和第二通道中的每个通道流动的废气的噪声。

exhaust system

Abgasanlage mit von Heißgas durchströmbaren Abgasrohren, die eintrittsseitig mit einem Zylinderkopf einer Brennkraftmaschine verbunden sind, und mit wenigstens einem an zumindest einem Abgasrohr angebrachten Katalysatorträgerkörper, dadurch gekennzeichnet, dass der Katalysatorträgerkörper (8, 9, 10, 21, 22, 39, 40) den weitgehend gleichen Querschnitt aufweist wie die an ihn axial sich anschließenden und mit ihm verbundenen Enden (13, 23, 24, 25, 26, 42) der Abgasrohre (2, 3, 4, 18, 19, 20, 43, 45) und ersatzweise zumindest einen Abschnitt eines Abgasrohres (2, 3, 4, 18, 19, 20, 43, 45) bildet und dass die Abgasanlage einen aus zumindest zwei Abgasrohren (2, 3, 4, 18, 19, 20, 43, 45) bestehenden Abgaskrümmer (1, 17) beinhaltet, deren zu Eingangsflanschen (7, 36), die am Zylinderkopf befestigt sind, weisende Rohrabschnitte (6) stutzenartig verkürzt sind, und dass als Verlängerung der Rohrabschnitte (6) jeweils ein Katalysatorträgerkörper (8, 9, 10) einerseits an den Rohrabschnitten (6) und andererseits an den Eingangsflanschen (7, 36) befestigt... exhaust system with hot gas through which Exhaust pipes, the inlet side with a cylinder head of an internal combustion engine are connected, and with at least one of at least one exhaust pipe attached catalyst carrier body, characterized in that the catalyst carrier body (8, 9, 10, 21, 22, 39, 40) the largely same cross section has as the axial to him subsequent and connected thereto ends (13, 23, 24, 25, 26, 42) of the exhaust pipes (2, 3, 4, 18, 19, 20, 43, 45) and, alternatively, at least a portion of one Exhaust pipe (2, 3, 4, 18, 19, 20, 43, 45) forms and that the exhaust system one of at least two exhaust pipes (2, 3, 4, 18, 19, 20, 43, 45) existing exhaust manifold (1, 17), whose to input flanges (7, 36) on the cylinder head are fixed, pointing pipe sections (6) are shortened like a nozzle, and that as an extension the pipe sections (6) each have a catalyst carrier body (8, 9, 10) on the one hand on the pipe sections ...

Silencing apparatus with catalyst inside

음을 제거하는 효과가 높고, 스페이스를 유효하게 이용하여 배압이 저감한 촉매내장 머플러를 얻는 것을 과제로 하며, 한쌍의 제1 및 제2경판(12,13)이 양단에 배설된 통형상의 머플러 본체(14)와, 머플러 본체(14) 내부에 마련되어 머플러 본체 내부를 입구실(14a)과 출구실(14b)로 구획하는 모노리스촉매(16)와, 제1경판(12)을 관통하여 마련되고 입구실(14a)을 향하는 부분에 다수의 제1통기구멍(17a)이 형성된 입구파이프(17)와, 제2경판(13)을 관통하여 마련되고 출구실(14b)을 향하는 부분에 다수의 제2통기구멍(18a)이 형성된 출구파이프(18)와, 입구실(14a)을 향하는 입구파이프(17)의 단부에 일단이 접속되고, 타단이 머플러 본체(14)의 입구실(14a)의 내주면에 접착된 배기가스 확산용콘체(19)를 갖춘다. 입구실(14a)의 확산용콘체(19)의 외부에 제1통기구멍(17a)에 연통하는 공조흡음실(14c)이 형성된다. It is a task to obtain a catalyst-embedded muffler having a high effect of removing sound and effectively using a space to reduce back pressure, and a cylindrical muffler having a pair of first and second hard plates 12 and 13 disposed at both ends thereof. It is provided through the main body 14, the monolith catalyst 16 which is provided inside the muffler main body 14 and divides the inside of a muffler main body into the inlet chamber 14a and the outlet chamber 14b, and the 1st hard board 12, A plurality of agents are provided through the inlet pipe 17 having the plurality of first vent holes 17a formed in the portion facing the inlet chamber 14a and the second hard plate 13 and facing the outlet chamber 14b. One end is connected to the outlet pipe 18 in which the two vent holes 18a are formed, and the end of the inlet pipe 17 facing the inlet chamber 14a, and the other end is the inner peripheral surface of the inlet chamber 14a of the muffler main body 14. The exhaust gas diffusion cone body 19 is attached to it. The air-conditioning sound absorption chamber 14c which communicates with the 1st ventilation hole 17a is formed in the exterior of the diffusion cone 19 of the entrance chamber 14a.

Device for exhaust gas aftertreatment

本发明涉及一种用于对内燃机的排气进行后处理的设备，该设备具有至少一个排气能从中流过的催化转化器(8、9、31)和至少一个由封闭的容积形成的、排气能沿着流入路段(3、27)朝向流出路段(4、28)从中流过的消声器(1、20)，其中，催化转化器(8、9、31)由蜂窝体形成，该蜂窝体具有多个排气能从中流过的流动通道，其中，蜂窝体被接纳在包围蜂窝体的套管(12、13、32)中并且与该套管材料锁合地连接，其中，催化转化器(8、9、31)布置在消声器(1、20)的内部。

A Burning Apparatus for Diesel Particulate Filter and A Cleaning Apparatus using the same

The present invention relates to a burning device for a diesel particulate filter (DPF) and a cleaning device using the same. According to one embodiment of the present invention, the burning device for a DPF comprises: an air supply pipe having an air inlet formed on one side thereof and an air outlet formed on the other side thereof; an electric coil unit for heating air; a premixing unit installed at an upper side of the electric coil unit; a hollow space unit connected perpendicularly to an upper side of the premixing unit; a fuel nozzle unit; a flameless heating unit installed at an upper side of the space unit; and a mounting unit. According to the present invention, the cleaning time of a DPF can be reduced, and the foreign substance removing efficiency can be increased.

Exhaust particulate filter element

Abgas-Partikelfilterelement mit einem in einem Gehäuse angeordneten Filterkörper, welcher einzelne, im wesentlichen parallel nebeneinander angeordnete Filterplatten aus Sintermetall mit sich zwischen den Filterplatten befindlichen Zwischenräumen aufweist, wobei das Gehäuse mit einer Zuführleitung für Abgas und einer Abführleitung für gereinigtes Gas versehen ist, wobei die Anströmung des Filterkörpers durch das Abgas in die Zwischenräume zwischen den Filterplatten von einem Bereich außerhalb des Filterkörpers in einen Bereich innerhalb des Filterkörpers erfolgt, dadurch gekennzeichnet, dass der Filterkörper (4) bezüglich seiner Lage derart variabel in dem Gehäuse (2) unterbringbar ist, dass die Abführleitung (10) in einer beliebigen Lage relativ zu der Zuführleitung (3) an dem Gehäuse (2) anbringbar ist. Exhaust gas particle filter element with a filter body arranged in a housing, which has individual sintered metal filter plates arranged essentially parallel to one another with spaces between the filter plates, the housing being provided with a supply line for exhaust gas and a discharge line for cleaned gas, the The exhaust gas flows into the spaces between the filter plates from an area outside the filter body to an area inside the filter body, characterized in that the position of the filter body (4) can be accommodated in the housing (2) in such a variable manner that the discharge line (10) can be attached to the housing (2) in any position relative to the supply line (3).

exhaust system

Die vorliegende Erfindung betrifft eine Abgasanlage (1) für eine Brennkraftmaschine, insbesondere in einem Kraftfahrzeug, mit einem SCR-Modul (2), das in einem an einen Abgasstrang angeschlossenen SCR-Gehäuse (5) wenigstens ein SCR-Katalysatorelement (6) enthält, und mit einem PF-Modul (3), das in einem stromauf des SCR-Gehäuses (5) an den Abgasstrang angeschlossenen PF-Gehäuse (9) wenigstens ein Partikelfilterelement (10) enthält. The present invention relates to an exhaust system (1) for an internal combustion engine, in particular in a motor vehicle, having an SCR module (2) which contains at least one SCR catalytic converter element (6) in an SCR housing (5) connected to an exhaust line, and with a PF module (3) which contains at least one particle filter element (10) in a PF housing (9) connected to the exhaust line upstream of the SCR housing (5).

Exhaust gas treatment device for motor vehicle has inflow chamber further bounded by jacket part in gastight connection with bottom parts

The treatment device (1) has a hollow cylindrical housing jacket (2) containing a catalytic converter and an inflow chamber bounded by a first bottom part and a second bottom part at a spacing from the first bottom part. The inflow chamber is further bounded by a jacket part in gastight connection with the bottom parts.

Silencer with a vaporization chamber for a combustion engine

23 ABSTRACT The present invention relates to a silencer for a combustion engine to an exhaust gassystem comprising the silencer, to a Vehicle comprising the exhaust gas system and toa method for exhaust gas purification by means of the silencer. The silencer (12)comprises a casing (44), With at least one inlet (20) and at least one outlet (40), aVaporisation chamber (42), Wherein the Vaporisation chamber (42) is situated inside thecasing (44). A duct (46) is provided between the Vaporisation chamber (42) and thecasing (44). The exhaust gases (22) inside the Vaporisation chamber (42) are arrangedto flow in a direction (100) from a first end (48) to a second end (50) of theVaporisation chamber (42). The silencer (l2) further comprises a selective catalyticreduction (SCR) purification system (34) Which comprises an arrangement (28) foradding a reducing agent (30) to the exhaust gas floW (22) exhaust gas floW arrangedupstream of the Vaporisation chamber (42). The silencer (l2) comprises a Variable floWguide (52) for directing the floW of exhaust gases (22) and reducing agent (30) insidethe Vaporisation chamber (42) and Which Variable floW guide (52) is arranged upstream of the second end (50) of the Vaporisation chamber (42). (Fig. 5)

Exhaust system

Exhaust system for a diesel engine and associated silencer

Die vorliegende Erfindung betrifft eine Abgasanlage (1) für einen Dieselmotor (2), insbesondere eines Kraftfahrzeugs. Ein SCR-Katalysator (5) setzt im mageren Abgas Stickoxide mit Ammoniak zu Stickstoff und Wasser um. Ein stromauf des SCR-Katalysators (5) angeordneter Hydrolysekatalysator (6) setzt im Abgas Harnstoff zu Ammoniak um. Eine Harnstoffzuführungseinrichtung (8) bringt stromauf des Hydrolysekatalysators (6) Harnstoff in das Abgas ein. Ein stromauf des SCR-Katalysators (5) angeordneter Oxidationskatalysator (7) setzt im mageren Abgas Stickoxide zu NO¶2¶ um. DOLLAR A Um für die Abgasanlage (1) einen kompakten Aufbau zu ermöglichen, sind stromauf des SCR-Katalysators (5) zwei parallel geschaltete Abgaswege (10, 11) vorgesehen, die stromauf des SCR-Katalysators (5) zusammengeführt sind. In dem einen Abgasweg (10) sind der Hydrolysekatalysator (6) und die Harnstoffzuführungseinrichtung (8) angeordnet, während im anderen Abgasweg (11) der Oxidationskatalysator (7) angeordnet ist. The invention relates to an exhaust system (1) for a diesel engine (2), in particular a motor vehicle. An SCR catalytic converter (5) converts nitrogen oxides with ammonia to nitrogen and water in the lean exhaust gas. A hydrolysis catalytic converter (6) arranged upstream of the SCR catalytic converter (5) converts urea to ammonia in the exhaust gas. A urea feed device (8) introduces urea into the exhaust gas upstream of the hydrolysis catalytic converter (6). An oxidation catalytic converter (7) arranged upstream of the SCR catalytic converter (5) converts nitrogen oxides to NO¶2¶ in the lean exhaust gas. DOLLAR A To enable a compact design for the exhaust system (1), two exhaust gas paths (10, 11) connected in parallel are provided upstream of the SCR catalytic converter (5), which are brought together upstream of the SCR catalytic converter (5). The hydrolysis catalytic converter (6) and the urea supply device (8) are arranged in one exhaust gas path (10), while the oxidation ...

Exhaust gas system for compact and efficient aftertreatment and sound damping of the exhaust gas

Exhaust gas finishing treatment system

The exhaust gases after-treatment system (1) has a gas-tight and liquid-tight housing (5) with an inlet (2) and an outlet (3), where gas guide elements are arranged in the housing that encloses chambers (6,6',6''). A catalyst material or a particulate material is present in the chamber. The gas guide elements have turbulence-generating elements. The gas guide elements are formed by parallel walls that divide the exhaust gas into multiple partial streams. The turbulence-generating elements are arranged between the partition walls as flow disruptors, impact points or additional deflectors. The partition walls are made of metal sheets or foils or ceramic elements or combinations of the mentioned materials.

Exhaust gas denitrifing system having noise-reduction structure

본 발명은 배기가스 탈질시스템에 대한 것으로, 더욱 상세하게는 유입된 배기가스에 포함되어 있는 질소산화물이 촉매와의 탈질반응을 통해 질소로 변환되는 화학반응이 일어나는 반응기를 포함하는 배기가스 탈질시스템에 있어서, 상기 반응기는 촉매가 코팅되어 있으며 배기가스가 통과할 수 있는 다수 개의 관통공이 형성되어 있는 촉매필터부와 상기 촉매필터부를 통과하여 탈질처리된 배기가스로부터 소음을 저감하는 소음저감부를 포함하며, 상기 반응기에 의해 탈질반응과 소음의 저감이 가능하여 전체 시스템의 크기를 줄일 수 있고, 배기가스와 촉매의 접촉면적은 유지하면서 관통공의 공간을 크게 확보할 수 있어 차압은 최소화하면서도 소음감쇄효과를 높일 수 있고, 탈질반응이 소음의 저감보다 먼저 일어나므로 탈질효율을 향상시킬 수 있고, 배기가스의 압력강하를 최소화하여 엔진의 효율을 높일 수 있는 소음감쇄 구조를 갖는 배기가스 탈질시스템에 관한 것이다. The present invention relates to an exhaust gas denitrification system, and more particularly, to an exhaust gas denitrification system including a reactor in which a chemical reaction is performed in which nitrogen oxide contained in the introduced exhaust gas is converted into nitrogen through denitrification with a catalyst. The reactor includes a catalyst filter part coated with a catalyst and having a plurality of through holes through which exhaust gas can pass, and a noise reduction part for reducing noise from the denitrified exhaust gas through the catalyst filter part. The reactor can reduce the denitrification reaction and reduce the noise, thereby reducing the size of the entire system, and largely securing the space of the through-hole while maintaining the contact area of the exhaust gas and the catalyst, thereby minimizing the differential pressure while reducing the noise reduction effect. It is possible to increase the denitrification efficiency because denitrification occurs before noise reduction. In addition, the present invention relates to an exhaust gas denitrification system having a noise reduction structure capable of minimizing the pressure drop of the exhaust gas to increase engine efficiency.

an air exhauster for car

본 고안은 차량의 배기장치에 관한 것으로서, 더욱 상세하게는 차량의 엔진에 접속된 배기다기관을 통해 배출되는 배기가스가 촉매 컨버터를 거쳐 서브머플러로 유입될 때 낮아지는 배기압력을 보정하여 엔진의 출력을 상승시키는 한편, 다기통 기관에서 피스톤들이 상,하 왕복운동을 할 때 발생되는 정압과 부압의 차이로 인한 배기압력의 변화를 조정하여 차량의 주행성능을 높여줄 수 있도록 한 고안에 관한 것이다. The present invention relates to an exhaust device of a vehicle, and more particularly, to correct the exhaust pressure lowered when the exhaust gas discharged through the exhaust manifold connected to the engine of the vehicle flows into the sub-muffler through the catalytic converter, thereby outputting the engine. Meanwhile, the present invention relates to a device designed to improve driving performance of a vehicle by adjusting a change in exhaust pressure due to a difference between a positive pressure and a negative pressure generated when a piston moves up and down in a multi-cylinder engine. 전술한 본 고안은, 엔진(10)에 접속된 복수의 분기관(21)들이 하나로 합쳐지는 배기다기관(20)과; 백금, 팔라듐, 로듐으로 이루어진 금속망이 내장되어 일산화탄소, 탄화수소, 질소산화물을 환원시키는 촉매 컨버터(40)와; 소음을 감소시키고 매연을 정화하는 서브머플러(50) 및 메인머플러(60)가 관으로 연결된 차량의 배기장치에 있어서, 상기 촉매 컨버터(40)의 배출구 측에 형성된 제1플랜지(41)에 제2플랜지(72) 이음으로 결합되는 배기관(71)의 내부에는 나선형으로 가공된 와류용 익편(75)들이 삽입 고정되고, 익편(75)들의 중심 양측에는 배기가스의 분배 및 직진성을 유도하는 공기 확산구(75a)들이 돌출 형성되며, 방사형으로 형성된 각각의 익편(75)들 양단에는 용접용 접점(75b)들이 돌출 형성된 와류발생기(70)와; 상기 배기관(71) 타측에는 원통형 지지관(51)의 일측 입구(51a)가 용접되어 와류발생기(70)에 서브머플러(50)가 연결되고, 지지관(51)의 내부 중앙에는 통공(52a)들이 뚫려진 흡음관(52)이 장착되어 지지관(51)의 양측 입구(51a)와 출구(51b) 사이를 연결하며, 흡음관(52)의 외부에는 금속망(53)이 나선형으로 감겨져 용접으로 고정되고, 금속망(53)의 외부에는 불연성 섬유조직으로 구성된 흠음재(54)가 충진됨을 특징으로 하는 차량의 배기장치에 의하여 달성될 수 있는 것이다. The present invention described above includes an exhaust manifold 20 in which a plurality of branch pipes 21 connected to the engine 10 are combined into one; A catalytic converter 40 having a metal network composed of platinum, palladium, and rhodium to reduce carbon monoxide, hydrocarbons, and nitrogen oxides; In the exhaust device of the vehicle connected to the sub-muffler 50 and the main muffler 60 to reduce the noise and purify the smoke, the second flange to ...

PARTICLE FILTER

1. Фильтр (2) частиц для фильтрации выхлопных газов двигателя внутреннего сгорания, в частности автотранспортного средства, содержащий корпус (4), фильтрующий элемент (5), причем корпус содержит установочное отверстие (20),отличающийся тем, что- фильтр (2) частиц содержит внешний кожух (12) и внутренний кожух (9), который расположен с возможностью осевого смещения во внешнем кожухе (12),- корпус (4) содержит установочное отверстие (20), закрытое крышкой (22), причем через установочное отверстие (20) обеспечена возможность осевой вставки внутреннего кожуха (9) во внешний кожух (12) и возможность его вытягивания из внешнего кожуха (12),- фильтрующий элемент (5) опирается во внутреннем кожухе (9),- внутренний кожух (9) радиально опирается на внешний кожух (12),- внутренний кожух (9) контактирует с кольцом (24) на стороне выходящего потока фильтрующего элемента (5),- по меньшей мере один несущий элемент (25) поддерживает в осевом направлении кольцо (24) на крышке (22) для передачи усилий сжатия.2. Фильтр частиц по п. 1, отличающийся тем, что- несущий элемент (25) закреплен на кольце (24) для передачи тянущих усилий,- кольцо (24) расположено с фиксацией на внутреннем кожухе (9) таким образом, что при удаленной крышке (22) обеспечена возможность вытягивания внутреннего кожуха (9) с фильтрующим элементом (5) из внешнего кожуха (12) путем притягивания несущего элемента (25).3. Фильтр частиц по п. 1 или 2, отличающийся что несущий элемент (25) содержит резьбовой стержень (37), гайку (39), колпачковую гайку (40) и втулку (38), причем- втулка (38) проникает в крышку (22) и расположена с фиксацией на этой крышке (22),- втулка (38) имеет внешнюю резьбу (41) на стороне, обращенной в направлении от кольца (24),- резьбовой стержень (37) закреплен на кольце (24) и проходит через втулку (38),- гайка (39) навинчена на резьбовой стержен РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК F01N 3/021 (13) 2014 139 939 A (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ...

METHOD FOR APPLICATION OF COATING ON THE SUBSTRATE HOUSING

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2017 108 172 A (51) МПК B05D 7/22 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2017108172, 05.08.2015 (71) Заявитель(и): УМИКОРЕ АГ УНД КО. КГ (DE) Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): МАССОН Стефан (FR) 14.08.2014 EP 14180973.1 26 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 14.03.2017 EP 2015/068108 (05.08.2015) (87) Публикация заявки PCT: WO 2016/023810 (18.02.2016) A Адрес для переписки: 105082, Москва, Спартаковский пер., 2, стр. 1, секция 1, этаж 3, ЕВРОМАРКПАТ R U (57) Формула изобретения 1. Способ нанесения покрытий из предназначенных для этого жидких сред на подложки для изготовления каталитических нейтрализаторов отработавших газов, в частности для механических транспортных средств, представляющие собой цилиндрические корпуса-носители и имеющие по две торцевые поверхности (301), боковую поверхность (302), осевую длину L и множество каналов (310), проходящих от первой торцевой поверхности до второй торцевой поверхности, осуществляемый при помощи заполненного жидкостью (103) цилиндра (102), имеющего поршень (101) и сообщающегося с емкостью (112), внутри которой расположен вытеснитель (111) таким образом, что при перемещении поршня (101) вытеснитель (111) приводится в движение жидкостью (103) пропорционально ему, и которая сообщается с устройством (122) для нанесения покрытия на подложку, причем вытеснитель (111) воздействует на жидкую среду (113) для нанесения покрытия, в результате чего происходит пропорциональное изменение ее уровня в устройстве (122) для нанесения покрытия, причем перемещением поршня (101), приводящим к сокращению вытеснителя (111), управляют из условия непревышения скоростью перемещения поршня (101) предельного значения, тем самым предотвращая образование пузырьков в жидком составе покрытия из пористого оксида. 2. Способ по п. 1, отличающийся тем, что скорость перемещения поршня (101), приводящего ...

Filter for gas

요약 없음 No summary

Muffler for two-cycle internal combustion engine

(57)【要約】 【課題】 軽量で、駆動が容易で、かつ、比較的簡単な 構成で、効率的に空気を供給できる２サイクル内燃エン ジンのマフラーの空気供給装置を提供する。 【解決手段】 内燃エンジンの排気口から噴出した排ガ スが導入される膨張室と、該膨張室に外部空気を供給す る空気供給装置とを備え、前記空気供給装置が、前記内 燃エンジンのクランク室の圧力脈動を利用して駆動され ると共に、ダイヤフラムポンプからなる。

A Sub Muffler Sturucture of Vehicles Having the Largest Enging Displacement

본 고안은 서브 머플러 하우징 내부에 3개의 공간부가 형성되도록 2개의 원통형 격벽을 설치하고, 제 1 원통형 격벽 내부에 스크류를 내장시키며, 제 2 원통형 격벽의 전후단에 배기가스의 원할한 출력을 위해 다수개의 홀을 형성토록 하여 배기가스가 서브 머플러를 통과하면서 배출시에 배기가스의 배압(back pressure)을 저감토록 함으로써, 엔진의 저속 및 고속상태에서의 출력을 극대화시키도록 한 것을 특징으로 하는 배기량을 극대화한 차량용 서브 머플러 구조에 관한 것으로, The present invention installs two cylindrical bulkheads so that three spaces are formed inside the sub muffler housing, a screw is embedded in the first cylindrical bulkhead, and a plurality of cylinders are provided for smooth output of exhaust gas at the front and rear ends of the second cylindrical bulkhead. Exhaust gas passing through the sub muffler to reduce back pressure of the exhaust gas at the time of discharge, thereby maximizing the output at low and high speeds of the engine. To maximize the vehicle sub muffler structure, 서브 머플러 하우징과, 하우징의 제일 안쪽에 설치되는 제 1 원통형 격벽과, 상기 제 1 원통형 격벽 내부에 설치되는 스크류와, 상기 제 1 원통형 격벽과 일정거리 이격되어 설치되는 제 2 원통형 격벽과, 상기 제 2 원통형 격벽으로부터 연장되어 출력용 배기관에 연결되는 배기가스 통기용 격벽으로 이루어진 것이 특징이며; A sub muffler housing, a first cylindrical partition wall disposed inside the housing, a screw disposed inside the first cylindrical partition wall, a second cylindrical partition wall spaced apart from the first cylindrical partition wall by a predetermined distance, and the first Two exhaust bulkheads extending from the cylindrical bulkhead and connected to the output exhaust pipe; 저알피엠시에 제 1 원통형 격벽 내부를 통해 배기가스가 출력되고, 고알피엠시에 제 1 원통형 격벽 내부와 통기용 홀을 통해 배기가스가 출력됨으로서 배압저항을 최소화하여 엔진출력을 유지시키는 효과가 있다. The exhaust gas is output through the inside of the first cylindrical bulkhead at low RPM, and the exhaust gas is output through the inside of the first cylindrical partition at high RPM and the ventilation hole has the effect of minimizing back pressure resistance to maintain engine output. . 배기량, 차량용, 서브, 머플러 Displacement, Car, Sub, Muffler

Fuel regulator for natural gas fired co-generation unit

A natural gas fuel regulator for a natural gas fueled internal combustion engine for driving a co-generation plant, which allows exhaust recycled gas combustion while maintaining lower head temperatures to reduce thermal NO x emissions. The gas regulator has a modulation chamber, which modulates incremental pressure changes from the carburetion system to allow the engine to respond to load changes without the necessity for dynamic control feed back valve. In one aspect, a non-diaphragm venturi fuel/air-mixing unit with post turbo charger throttle adjustment is downstream of the natural gas fuel regulator to provide lean burn, low thermal NO x operation of the co-generation unit from no load to full load electrical generation.

Exhaust gas cleaning device

Изобретение относится к машиностроению и может быть использовано для снижения токсичности отработанных газов, например двигателей внутреннего сгорания. Устройство состоит из корпуса, в котором перфорированными перегородками образованы входная, промежуточная, средняя и выходная камеры. Во входной и выходной камерах установлены соответственно входной и выходной патрубки, в которых выполнены отверстия разного размера и установлены очищающие элементы, закрепленные в патрубках только одним концом. В средней камере также может быть установлен очищающий элемент. Очищающие элементы, установленные в патрубках, выполнены в виде упругих винтовых тел. Изобретение позволяет обеспечить свободное прохождение отработанных газов через устройство, что значительно повышает КПД установок, а также обеспечивает высокую степень очистки отработанных газов и эффективное поглощение шума. 5 з.п.ф-лы, 3 табл., 1 ил. ОЭС ПЧ Го РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) (51) МПК Е Ол М 3/08 ВИ "” 2416 470 ' 13) СЛ 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 97104804/06, 03.04.1997 (46) Дата публикации: 27.07.1998 (56) Ссылки: 1. ЗЧ 7105602 А1 15.01.92. 2. $9 {85533 А 07.12.80. 3. $4 1502860 А1 23.0 8.89. 4. КЦ 2010986 СЛ 26.10.92. 5. ЕК 2136537 А 22.12.12. 6. 4$ 5322611 А 21.06.94. 7. Ц$ 4748807 А 07.06.88. 8. РЕ 4121940 АЛ 07.01.93. (71) Заявитель: Токарев Владимир Омарович, Тимохин Александр Иванович Тимохин Александр Иванович (73) Патентообладатель: Токарев Владимир Омарович, Тимохин Александр Иванович (72) Изобретатель: Токарев Владимир Омарович, (54) УСТРОЙСТВО ОЧИСТКИ ОТРАБОТАННЫХ ГАЗОВ (57) Реферат: Изобретение относится к машиностроению и может быть использовано для снижения токсичности отработанных газов, например двигателей внутреннего сгорания. Устройство СОСТОИТ из корпуса, В котором перфорированными перегородками образованы входная, промежуточная, средняя и выходная камеры. Во входной и ВЫХОДНОЙ камерах установлены соответственно входной и ...

Purifier/silencer of exhaust gas, etc.

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Muffler for diesel vehicle

본 발명의 디젤 차량용 머플러는, 중공(中空)의 중앙몸체와, 중앙몸체의 상단부를 향해 개구되고 배기가스가 수직으로 유입되도록 중앙몸체의 길이 방향과 가로 방향을 갖는 인렛파이프(inlet pipe)가 마련된 선단 플레이트와, 중앙몸체의 후단의 개구에 결합되며 아웃렛파이프(outlet pipe)가 마련된 후단 플레이트를 구비하는 몸체부; 및 몸체부의 내측에 연결되며, 인렛파이프를 통해 유입되는 배기가스를 정화시키는 촉매부; 를 포함하며, 선단 플레이트에는, 인렛파이프를 통해 유입되는 배기가스의 유동균일도를 높이기 위해 곡면의 경사부가 형성되며, 곡면의 경사부는 선단 플레이트의 전면의 상단부에서 하방으로 갈수록 중앙몸체와 근접하게 경사지는 가상의 선형적인(linear) 평면에 대하여 중앙몸체를 향하여 볼록하게 돌출 형성될 수 있다. 본 발명에 따르면, 배기가스의 유동균일도를 향상시킴으로써 배기가스의 정화율을 향상시킬 수 있으며, 배기가스에 포함된 입자상 물질(PM)의 필터링 효율을 향상시킬 수 있고, 또한 소음의 크기를 줄일 수 있다. The diesel vehicle muffler of the present invention includes a hollow central body and an inlet pipe having a longitudinal direction and a horizontal direction of the central body so as to be opened toward an upper end of the central body and exhaust gas flows vertically. A body portion having a front end plate and a rear end plate coupled to an opening at a rear end of the central body and provided with an outlet pipe; And a catalyst part connected to the inside of the body part and configured to purify the exhaust gas introduced through the inlet pipe. It includes, the tip plate, the inclined portion of the curved surface is formed to increase the flow uniformity of the exhaust gas flowing through the inlet pipe, the inclined portion of the curved surface is inclined closer to the central body toward the lower portion from the upper end of the front plate It may protrude convexly toward the central body with respect to the virtual linear plane. According to the present invention, it is possible to improve the purification rate of the exhaust gas by improving the flow uniformity of the exhaust gas, to improve the filtering efficiency of the particulate matter (PM) contained in the exhaust gas, and also to reduce the size of the noise. have. 머플러, 경사부, 촉매, 여과, 가스, 인렛파이프, 아웃렛파이프, 디젤, Muffler, ramp, catalyst, filtration, gas, inlet pipe, outlet pipe, diesel,

join muffler to gas disposal Catalysts device

본 발명은 자동차 소음기용 배기가스 처리장치에 관한 것으로, 배기가스 처리장치를 통상적인 자동차의 소음기의 배출구에 연결하여 장착함으로서 자동차운행중 배출되는 배기가스의 자연저해 유독성분을 저감하고자 하는 목적이 있으며 더 자세하게 설명하면 자동차의 소음기 배출구 종단에 연결하는 배기가스 처리장치는 외부관로와 내부관로로 구성되어 외부관로는 내부관로에 흐르는 배기가스의 유속에 의한 압력차이에 의하여 외부공기를 흡입하여 내부관로상의 가스에 교반되도록 연결하는 외부구조의 구성단계, 내부관로에 허니컴형의 알루미늄금속을 재질로하는 제1필터와 제2필터필터를 구비하게 되며 제1필터는 내부필터로서 카본나노튜브가 허니컴형의 알루미늄금속기지 표면에 박막된 것이며 제2필터는 텅스텐에 도핑된 이산화타이타늄 나노입자가 허니컴형의 알루미늄금속기지 표면에 박막된 것으로 구성하여 자동차의 소음기에 연결하여 장착함으로서 자동차운행중 배출되는 배기가스의 자연저해 유독성분을 저감하게 하는 것을 특징으로 하고 있다. The present invention relates to an exhaust gas treatment device for automobile silencer, and has an object to reduce the toxic content of natural gas harmful emissions of the exhaust gas discharged during driving by mounting the exhaust gas treatment device connected to the outlet of the silencer of a conventional vehicle. In detail, the exhaust gas treatment device connected to the end of the silencer outlet of the vehicle is composed of an external pipe and an internal pipe. The external pipe inhales the outside air due to the pressure difference due to the flow rate of the exhaust gas flowing through the internal pipe, thereby allowing In the construction step of the external structure to be connected to the agitator, a first filter and a second filter filter made of a honeycomb aluminum metal in the inner pipeline are provided, and the first filter is an inner filter and a carbon nanotube is a honeycomb aluminum. Thin film on the surface of metal base and the second filter is titanium dioxide doped with tungsten The nanoparticles are made of a thin film on the surface of a honeycomb-type aluminum metal base, and are connected to the silencer of the vehicle to reduce the toxic content of the natural gas. 상기 본 발명에 의하면 종래 물리적 배기가스 저감장치들의 물리적 원인공정에 화학적인 원인공정을 추가함으로서 배압을 낮추고 배출되는 유독가스의 소거와 환원 효율을 배가 시키는 효과가 있으며 종래 예열이 필요하던 자동차 배기가스개질용 귀금속 촉매의 단점을 개선하고 생산비용을 저감하는 효과가 있다. According to the present invention, by adding a chemical causal process to the physical causal process of ...

Patent RU2017108172A3

ВУ"? 2017108172” АЗ Дата публикации: 30.01.2019 Форма № 18 ИЗ,ПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение 9 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2017108172/05(014248) 05.08.2015 РСТ/ЕР2015/068108 05.08.2015 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 14180973.1 14.08.2014 ЕР Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) СПОСОБ НАНЕСЕНИЯ ПОКРЫТИЯ НА КОРПУС-ПОДЛОЖКУ Заявитель: УМИКОРЕ АГ УНД КО. КГ, ОЕ 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) В05О 7/22 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) ВО5Р 7/00-7/22; ВО5С 7/00-7/08; ВО5В 13/00-13/06 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): ЕАРАТГУ, Езрасепе, Соое, РАТЕМТЗСОРЕ, КУРТО, Уапдех 6. ДОКУМЕНТЫ, ОТНОСЯЩИЕСЯ К ПРЕДМЕТУ ПОИСКА Кате- Наименование документа с указанием (где необходимо) частей, Относится к гория* относящихся к предмету поиска пункту формулы № ...

Gas flow silencer

A device (a silencer) for silencing a flow of gas, such as an exhaust gas, comprises at least one acoustic chamber ( 1, 2, 3 ) through-flowed by gas, at least one inlet pipe ( 6 ) for leading gas into the device and at least one pipe or passage ( 4, 12, 13 ) interconnecting two chambers or a chamber and an exterior environment or chamber and is designed with such features, including such cross-sectional area transitions between pipes or passages ( 4, 6, 12, 13 ) and the chambers ( 1, 2, 3 ) that the sound attenuation achieved by the device is high while the pressure drop across the silencer is low and that high attenuation at low characteristic frequencies of flow systems comprising the device are obtained. One or more diffusers ( 10 a, 12 a, 13 a ) for diffusing at least part of the gas flow, e.g., at the inlet to the chambers may be comprised in the device. One or more monolithic bodies or catalyzers may be comprised in the device. Devices with curved or helical passages (FIG. 5 ) allowing a low natural frequency and embodiments having resonance chambers (FIGS. 10 a, b ) attenuating at selected frequencies are disclosed. The device may be used for vehicles, including ships or boats and for stationary installations, such as power plants or stationary engines. A method for designing and/or dimensioning the device for a given desired sound attenuation over a given frequency spectrum at given spatial restrictions is disclosed.

Silencer and a method of operating a vehicle

A device for silencing a flow includes at least one acoustic chamber through-flowed by gas, e.g., exhaust gas, at least one inlet pipe and at least one pipe or passage interconnecting two chambers or a chamber and an exterior environment or chamber and is designed with such cross-sectional area transitions, between passages and the chambers that the sound attenuation achieved by the device is high while the pressure drop across the silencer is low and that high attenuation at low characteristic frequencies of flow systems are obtained. The device may contain at least one of diffusers, monolithic bodies and catalysts. The passages may be curved or helical so as to allow for a low natural frequency. Embodiments with resonance chambers attenuating at selected frequencies are disclosed. A method for operating a vehicle including a combustion engine and a silencing system is disclosed. The engine may be a spark ignited combustion engine or a gas turbine engine, and the method may include controlling at least one of fuel injection, excess air ration and spark timing, or adjusting vane guides in a turbine or a turbo charger.

Muffler with catalytic converter arrangement; and method

An apparatus for modifying an exhaust stream of a diesel engine is provided. The apparatus includes a muffler arrangement having an exhaust inlet and an exhaust outlet in construct and arrange for sound attenuation therein. The apparatus also includes a catalytic converter arrangement positioned within the muffler arrangement between the exhaust inlet and exhaust outlet. During operation, the exhaust flow is directed both through the muffler arrangement and the catalytic converter arrangement, to advantage.