CN103221112A - Particle separator having a multi-part housing - Google Patents

Particle separator having a multi-part housing Download PDF

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Publication number
CN103221112A
CN103221112A CN2011800554007A CN201180055400A CN103221112A CN 103221112 A CN103221112 A CN 103221112A CN 2011800554007 A CN2011800554007 A CN 2011800554007A CN 201180055400 A CN201180055400 A CN 201180055400A CN 103221112 A CN103221112 A CN 103221112A
Authority
CN
China
Prior art keywords
composition surface
metal level
housing
particle separator
external shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011800554007A
Other languages
Chinese (zh)
Inventor
J·西蒂希
M·福伊特
F·库尔斯
L·维尔斯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vitesco Technologies Lohmar Verwaltungs GmbH
Original Assignee
Emitec Gesellschaft fuer Emissionstechnologie mbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Emitec Gesellschaft fuer Emissionstechnologie mbH filed Critical Emitec Gesellschaft fuer Emissionstechnologie mbH
Publication of CN103221112A publication Critical patent/CN103221112A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002Casings; Housings; Frame constructions
    • B01D46/0005Mounting of filtering elements within casings, housings or frames
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/103Curved filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/0215Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters the filtering elements having the form of disks or plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2250/00Combinations of different methods of purification
    • F01N2250/08Combinations of different methods of purification filtering and inertial particulate separation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture

Abstract

The invention relates to a particle separator (1) for treating exhaust gases from an internal combustion engine (2), wherein at least one metal layer (3) through which exhaust gas can flow is disposed in a housing (4) having an inlet opening (5), an outlet opening (6) and a central axis (7), wherein the housing (4) comprises a first part (8) having a first joint face (10) and a second part (9) having a second joint face (11), wherein the first joint face (10) and the second joint face (11) correspond to one another, so that the first part (8) and the second part (9) can be positioned along the central axis (7) relative to one another and the at least one metal layer (3) is spaced over the entire surface from the first joint face (10) and the second joint face (11) over the entire periphery. A particle separator and a method for producing same is proposed, which can be manufactured cost-effectively in a simple manner with few means and in particular is suitable for retrofitting to an existing exhaust system.

Description

Particle separator with many parts sandwich type element
Technical field
The present invention relates to a kind of particle separator that is used to handle the exhaust of internal combustion engine, wherein the housing of particle separator is designed to the multi-section fraction.The present invention can especially be used in the internal combustion engine, for example in the motor vehicle.
Background technology
The exhaust of internal combustion engine includes harmful substances and solid matter usually, consider to be used to accordingly to protect the health or the situation of the regulation of environment under exactly need to remove these harmful substances and solid matter.About solid matter, the suggestion that has proposed has, and filters also subsequently (with catalysis and/or heat and/or chemical mode) and remove or transform the component in the fuel, for example charcoal cigarette or unburned hydrocarbon, sulphur compound etc. from exhaust.This is known that the use filter, for example this filter has the wall portion of porous, this fixed substance stopped in this wall portion or in.
Except the fixed substance that these produce from burnt fuel, exhaust can also be carried other particle secretly, and this particle has different sources and than big several orders of magnitude of this solid matter.Internal combustion engine often bears sharp pounding at work with relevant exhaust equipment.This may cause particle especially to break away from the form of chip, the fragment part from coating and deposit, exhaust treatment unit, and-be deflated stream to carry-because the impact failure parts subsequently of pulse.In addition, the parts that in gas extraction system, move, especially as turbocharger or turbo-compressor, this particle can since in the seal clearance increase of friction effect cause the increase of wearing and tearing.The known in addition part the exhaust that produces is carried back the gas extraction system (AGR/EGR: waste gas recycles) of internal combustion engine once more, thereby there is such danger equally in this situation, and promptly internal combustion engine bears this particle and is damaged.
Show that at this particle that is stopped along with the prolongation of working time can have problems.At this, consider, this particle for example be pottery and/or metal and in gas extraction system, do not transform.Therefore, this particle is assembled in gas extraction system, is for example constantly striking on this particle separator near the particle separator and/or all the time.This gathering of particle can cause the pressure loss of local or fluctuation in the exhaust stream, and this pressure loss can cause not expecting in the internal combustion engine and/or in the gas extraction system (reducing power) effect.In addition, also increased the load of particle separator in this case, so the stability of particle separator is more important.
In addition, in the particle separator on such plane, also determined, screening layer and housing be connected technical cost greatly and so to implement cost also very high.In addition, also can observe, this is connected in the continuous firing and also partly separates once more, partly produces new (metal) particle thus, and this particle has threatened the components downstream of gas extraction system subsequently again.
Summary of the invention
Based on this, the objective of the invention is to solve at least in part technical problem in view of description of the Prior Art.Especially be intended to provide a kind of particle separator that is used to handle exhaust, this particle separator still keeps stable and can make simply simultaneously under the situation that causes big load owing to bulky grain.The present invention also proposes a kind of method that is used to make this particle separator.
This purpose by according to the described particle separator of the feature of independent claims with and manufacture method realize.Provide other favourable design of this layout in the dependent claims.Point out that the single feature of describing can any technical meaningful ways combination with one another and formed other design of the present invention in these claims.Specification, especially in conjunction with the accompanying drawings the present invention and other embodiment described.
The particle separator that is used for handling the exhaust of internal combustion engine according to the present invention has at least one metal level that is arranged in housing, exhaust this at least one metal level of can flowing through, this housing has the opening of entering, outlet opening and central shaft, wherein said housing comprises first with first composition surface (joint face) and the second portion with second composition surface, wherein first composition surface and second composition surface correspond to each other, and described at least one metal level separates first composition surface and second composition surface all sidedly.
The particle separator that is used for handling the exhaust of internal combustion engine according to the present invention has at least one metal level that is positioned at housing and can flows through for exhaust, described housing has the opening of entering, outlet opening, cross section and central shaft, wherein said at least one metal level has at least one corrugated part, this corrugated part is across the cross section of (cross over, cover) this housing.
At this, particle separator especially refers to a kind of like this device, this device has for example stopped (pottery and/or metal) chip, fragment, fragment etc., and this chip, fragment, fragment are for example because the pulsation of at work vibration and/or exhaust stream and/or aging and break away from from the parts of gas extraction system.Especially can stop the particle that breaks away from from the honeycomb ceramics of the coating of pottery or metal.Can also be split up into particle less, that other parts that are arranged in the downstream are not threatened to more unsettled particle based on pulsation and with the rigidity or the inertia acting in conjunction of particle separator.
The metal level that described exhaust can be flowed through is designed for aforesaid particle especially and stops.Preferably only use (single) metal level at this.This metal level can have a plurality of layer (synusia) (for example be used for filtering out the ground floor of particle and be used at the fixing second layer of ground floor of housing) in case of necessity, and wherein these layers preferably are connected to each other by soldering, melting welding, sintering etc.Therefore metal level especially shows as (single) plane configuration thing, and this plane configuration thing (fully) is across the cross section of housing, thereby can not flow through by metal level.This metal level is designed to firm or dimensionally stable at this metal level, so that can bear the condition (especially with particle contact) at the place, place to use of gas extraction system enduringly.
For example, metal level can for the perforation sheet metal, be grid sheet metal etc.In addition, metal level (preferably) can be fabric, wire, long filament and/or fragment that this fabric comprises regularly and/or arranges relative to each other erratically.Also can use the corrugationless fabric and the twine that form by wire, long filament and/or thin slice.For example these wires, long filament and/or fragment can be connected to each other by means of electric resistance welding, sintering and/or soldering.The characteristics of this metal level especially are its passing property of exhaust, the minimum pressure loss wherein occurs.At this, " metal " especially refers to iron content and/or contains the metal alloy of aluminium.
Housing is sheet metal casing normally, and the shape of this sheet metal casing and discharge duct adapts.Housing can be formed by tube of material, has different shape of cross sections: circle, ellipse, polygon or other shape that needs.Especially use at this to be essentially columniform housing, for example this housing can insert between the part of adjacency of discharge duct and with these parts welding.
Usually exhaust is discharged once more by entering in the opening inflow housing and by outlet opening.The common extend past of the central shaft of housing enters the geometric area centre of form of opening and outlet opening, and when housing had bend, central shaft also can be crooked in case of necessity at this.Therefore, for example in columniform embodiment this central shaft form central shaft through the central point of circular cross section.The cross section that enters the housing between opening and the outlet opening is perpendicular to central shaft and can have the area size and/or the area shape of variation.Yet the size of this cross section is identical along central axle designs preferably with shape, and it is identical promptly entering the relative central shaft of opening, cross section and outlet opening.With regard to the position in the housing, preferably this metal level does not extend beyond and enters opening or outlet opening with regard to described at least one metal level.
In this case, housing is designed to the multi-section fraction, promptly has at least two parts.The first of housing and the second portion of housing have the composition surface that relative orientation (points to along central shaft) each other, and the composition surface corresponds to each other, so that form the housing that can be installed in the correct position place in the gas extraction system when overlapping on these composition surfaces.This composition surface especially produces owing to the separation process of single type housing, so the corresponding engagement face has formed the next-door neighbour's of housing contact-making surface.In addition, the preferred corresponding one-tenth in composition surface makes (elasticity and/or the plasticity) distortion that causes because of housing parts location relative to each other be taken into account, thereby metal level (airtight) abuts on the composition surface hermetically.In addition, to point out still that the composition surface is especially unfavorable with formation such as flanges, promptly basically only corresponding to the material thickness of the wall portion of housing at this.
In addition, metal level is with respect to housing or to be arranged to make first composition surface and second to be bonded on the whole circumference with respect to first and second portion spaced apart.First composition surface and second composition surface especially (only) equably on circumference at interval metal layer thickness.Therefore, in other words, after each assembly was installed, the gap between the housing parts was filled up by metal level (with bridging agent in case of necessity, as scolder etc.) fully.Therefore, the gap has the size of metal layer thickness basically.Therefore guaranteed, between the first of metal level and housing or second portion, do not had ventilative space.
In another favourable embodiment of particle separator, first composition surface and second composition surface are not arranged in smooth plane.At first, " smooth plane " refers to the plane on the mathematical meaning, and this plane is with respect to central shaft extend past particle separator at angle.Relative therewith, preferably, two composition surfaces (repeatedly) crooked, arrange transverse to (that is to say, especially perpendicular to) central shaft in the especially undulatory plane.Therefore in housing, along the circumferential direction obtain the undulatory trend on composition surface equally.
In the advantageous embodiment of particle separator, described at least one metal level by means of first and second portion by external shell tensioning each other (tighten, clamp).Metal level this between first and second portion by means of its composition surface along the direction of central shaft location or fixing.External shell (partly) is arranged around first and second portion, and externally is connected with second portion with first respectively with the isolated while of metal level in (preferably).Housing parts both can be by the sealed ground-for example melting welding of grafting, clamping, spiral or material, soldering-carry out with being connected of external shell." material is sealed " connects and to refer to the connection that connection fittings wherein keep together by atom or molecular force.Sealed being connected to each other of friction that first and second portion and metal level especially only cause by the prestress by external shell.In other words, this represents that especially metal level (only) keeps or is clamped between the parts of (inside) housing (promptly not needing the sealed connection of material herein), wherein produces by means of external shell this confining force that needs.External shell is externally arranged and the contiguous opening that enters is connected (for example by means of soldering connection (hard solder) or melting welding connection) with the various piece of inner shell with outlet opening ground in this form with sleeve pipe.The inner parts of being in of this housing and external shell form a kind of around cavity, the outwardly directed subregion of metal level can extend in this cavity.
In a favourable embodiment of particle separator, external shell has spacing in correspondence first composition surface of the location relative to each other of this housing and the zone on second composition surface.Metal level can pass through the external shell radial location by this spacing, and for example the outwardly directed subregion of metal level when change in location (at work) is in abutting connection with external shell.In addition, concerning this situation, by around cavity and external shell and housing parts airtight be connected the effusion that has stoped exhaust reliably.External shell can be equally the discharge duct of existing gas extraction system-for example-a part.
According to an improvement project of particle separator, described at least one metal level has the edge of treated (machined), and this edge is arranged in the outside of housing at least in part.Metal level cuts out from stripping usually.At this, form cutting or pad in the edge region, described cutting or pad can have the exhaust permeability of variation and/or can have get loose or the unsettled part of part, and this part may come off during operation.Therefore advantageously, this part at the treated edge of hull outside especially be arranged in by external shell form around cavity in.This treated edge can be provided with flanging (for example utilizing extra metal forming to form) and/or bracing means (for example additive, weld seam etc.) extraly, so that for example keep the clamping force of housing enduringly.
In the advantageous embodiment of particle separator, described at least one metal level contacts external shell at least in part.Therefore, can realize that metal level passes through the external shell radial location, and/or the heating by pointwise, the weldering of for example point of resistance seam can form between metal level and the external shell fixingly or connect at least reliably from the outside, do not need the installation of the effort that begins from the inboard simultaneously.
For example, consider adhesive-bonded fabric as metal level, this adhesive-bonded fabric has the metal filament of sintering each other.This adhesive-bonded fabric preferably can utilize at least one description in the following feature:
The diameter of-metal filament: at 20 and 50 μ m(microns) between, especially utilize two dissimilar (be mixed with each other and/or interconnect) metal filaments to form (for example one is 20 to 25 μ m, and another is 38 to 42 μ m);
The mass area ratio of-adhesive-bonded fabric: at 350g/mm 2And 550g/mm 2Between;
The gas permeability of-adhesive-bonded fabric: 2300 and 3500l/m 2Between/the s.
This adhesive-bonded fabric can be used for stopping charcoal cigarette and/or other solid matter of exhaust.
In another favourable embodiment of particle separator, described at least one metal level has the opening of width in 0.05mm scope at least.Especially preferred is that this metal level only has the opening that size is at least 0.05mm.In this case, metal level preferred (only) has separation effect to the particle greater than opening.Especially preferred is that the opening maximum has 0.25mm with interior width, especially the width in 0.1 to 0.2mm scope.Especially should stop this particle by this particle separator, described particle can damage or block the assembly that (is positioned at the downstream) subsequently of gas extraction system.Yet also big as far as possible opening should be set simultaneously, to produce as far as possible little flow resistance.(preferential) conversion from the solid matter of the burning of fuel (gasoline, diesel oil etc.) is not the problem of considering here.
According to a further aspect in the invention, a kind of method that is used to make particle separator is proposed.Particle separator comprises metal level that external shell, exhaust can flow through, have first composition surface and have the first of the housing of first excircle, and have second composition surface and have the second portion of the housing of second excircle, wherein first and second portion correspond to each other, and described method comprises the steps: at least
-between first and second portion, arrange metal level, wherein first composition surface and second composition surface are toward each other;
-clamp metal level by combination first and second portion (first and second parts are lumped together);
-on second excircle of first excircle of first and second portion, promote external shell;
-region exterior on first composition surface and second composition surface engages with first and second portion to make external shell.
This method especially is suitable for making above-mentioned particle separator with external shell.This can consider equally that all above enumerate aspect.
External shell can form independent, single parts according to the type of lining, sleeve etc., and these parts can be pushed first excircle of crossing first and second excircle of second portion.External shell also can be portion's section of discharge duct.First with its first composition surface and its first excircle is tubulose especially.Second portion with its second composition surface and its second excircle is especially according to the type manufacturing of first.First excircle and second excircle are so corresponding, so that first and second portion can insert in the external shell in confined state.First excircle is identical in the zone on first composition surface and second composition surface with second excircle especially at least.First composition surface and second composition surface are preferred so corresponding, so that metal level makes first and second portion so spaced apart each other, promptly they can insert in the external shell.Can form different on this composition surface and uneven, describedly look like this and correspond to each other, be they can overlap each other (for example also on the sealed meaning of shape-form the sealed connection of shape by being engaged with each other of at least two connection fittings, thereby these connection fittings do not get loose in the situation that does not have the power transmission or interrupt in the power transmission yet).Yet also to consider at this, metal layer thickness is deducted from the composition surface or from one of composition surface.
By being arranged in, metal level made particle separator reach its final form between first and the second portion.This be noted that the layout of metal level between first and second portion also externally the promotion of housing and/or with the engaging of one of described part after carry out.
Clamping by metal level has locked this metal level securely.Especially fully fixed metal level, so that keep fully through the exhaust of pulsation and the power of the particle that may be carried secretly.Yet should be noted that by extra maintenance means and could produce fixing metal level.For example, this maintenance means can be solder joint, weld seam, pad, soldered, adhesive or riveted joint etc.Be also noted that at this, the clamping of metal level only externally the promotion of housing and/or with the engaging of one of described part after just can carry out.
When the promotion external shell is crossed first excircle and second excircle, both can promote external shell and cross first and second portion (with random order), also can (for example sequentially) promote first and second portion (with random order) enters in the external shell.First and second portion both can one after the other also can be pushed in the external shell simultaneously.Metal level can be arranged in there or just be arranged between first and the second portion when sequentially promoting at this.
Concerning the joint of external shell and first and/or second portion, can use different joint methods.Described part can be coniform clamped, utilizes matched in clearance to be pushed towards the stopper section, and by interference fit, material is connected to each other sealedly, screws in or buckle.External shell preferably passes through the resistance welded solder joint from external engagement with described part.This solder joint also can only use as the fixation (safety measure) except the joint method of mentioning before extraly.The influence that other parts with metal level are avoided joint method is twisted or contacted to regional like this layout the on first composition surface and second composition surface promptly by distortion, heat.This zone of especially true selection, promptly metal level can be arranged in the external shell under the situation that does not have distortion.
According to another improvement project of the present invention, metal level is directed in the preposition in described zone by the spacing of external shell and first and second portion.Metal level advantageously stretches out the excircle of first and second portion, and temporarily is being arranged between first and the second portion and needn't accurately locating.By promoting external shell and the spacing of external shell in the zone on first composition surface and second composition surface metal level is radially located or orientation.Yet also can so select spacing, promptly can not come in contact between metal level and the external shell.For example eliminated thus because the influence that the distortion of external shell produces.In this case, guide in the preposition and can so understand by the spacing of external shell with respect to first and second portion, promptly the cavity by (uniformly) between the edge and external shell of metal level helps the assembler accurately to locate.
In the advantageous embodiment of the method according to this invention, make first and second portion by separating (cutting) by a workpiece.In order to obtain having first composition surface and the accurately first and the second portion on the second corresponding composition surface in simple, quick and inexpensive mode, first and second portion at first can be fabricated to parts.Especially can consider that one of following method is as separation method: sawing, milling, heat and mechanical separation method, separation by laser.Preferred the use a kind of separation method that does not need other reprocessing, especially laser cutting.
According to another aspect of the present invention, a kind of method that is used to make particle separator has been proposed, this particle separator comprises the metal level that exhaust can flow through, the first with the housing on first composition surface, and the second portion with the housing on second composition surface, described method comprises the steps: at least
-housing is provided;
-described housing is split up into first and second portion, thus first composition surface and the second corresponding composition surface that non-rectilinear extends formed;
-described at least one metal level is arranged between first composition surface and second composition surface;
-make first composition surface and second composition surface fixing relative to each other, thus keep metal level wherein.
This method relates in particular to herein the manufacturing according to the modification of particle separator of the present invention.Therewith irrespectively, also can trace back to other explanation of contact described particle separator and/or said method for the illustration method step.Concerning the part of housing, in view of the profile of the complexity on composition surface, for the ripple that forms metal level preferably uses laser cutting.The fixing mode that also can by material sealed (by solder brazing, melting welding etc.) of metal level between housing parts carried out.
The motor vehicle of the layout with the exhaust that is used to handle internal combustion engine has also been described in framework of the present invention, described internal combustion engine has at least one discharge duct and has gas recirculation system, and particle separator wherein according to the present invention is arranged in the gas recirculation system.
In internal combustion engine and gas extraction system, be provided with mobile part.Especially, the compressor blade of the cylinder of internal combustion engine and piston and turbo-compressor still plays good sealing function under the situation of big thermic load.The ceramic part branch of the cusped edge of straight line damages turbo-compressor blade and piston packing ring strongly.Especially advise that at this particle separator according to the present invention is arranged in the honeycomb ceramics of pottery and/or the honeycomb ceramics downstream of ceramic coating, especially in egr conduit, (that is to say and comprise " next-door neighbour ") to be in the turbo-compressor upstream.In fact the adverse effect that can ignore the flow resistance of amplification by particle separator enduringly.In addition, but particle separator at first be applied in the zone of discharge duct because its structural size that can mate and the flexibility utmost point use neatly, so far because reasons in structure is not utilized gas exhaust piping.
Description of drawings
Describe the present invention and technical field below with reference to the accompanying drawings in detail.Accompanying drawing illustrates especially preferred embodiment, yet the present invention is not limited to these embodiment.Accompanying drawing is that schematic and identical parts have identical Reference numeral.Accompanying drawing illustrates:
Fig. 1 illustrates the metal level with clamping and the particle separator of external shell;
Fig. 2 illustrates the particle separator with metal level of arranging obliquely;
Fig. 3 illustrates the particle separator with uneven composition surface;
Fig. 4 is illustrated in the particle separator of metal level before being clamped between first composition surface and second composition surface;
Fig. 5 illustrates the metal level with two layers;
Fig. 6 is the vertical view of particle separator; And
Fig. 7 is the motor vehicle with the particle separator in the gas extraction system.
The specific embodiment
Fig. 1 illustrates the particle separator 1 in the confined state, and wherein metal level 3 is arranged between first 8 with first composition surface 10 and the second portion 9 with second composition surface 11.Therefore, first 8 and second portion 9 have formed (multi-section fraction) housing 4.This housing 4 is arranged in external shell 13.Enter opening 5 and outlet opening 6 has defined central shaft 7.At this, particle separator 1 can have arbitrary shape.External shell 13 separates an intersegmental distance 12 ground in zone 17 in the zone on first composition surface 10 and second composition surface 11 arranges, so that the treated edge 14 of metal level 3 contacts external shell 13 just.At this, for example can be between external shell 13 and first 8, second portion 9 and/or the metal level 3 and the sealed connection of material is set at 14 places, treated edge at contact point 23.
Fig. 2 illustrates circular particle separator 1, wherein can see the metal level of arranging obliquely 3 by entering opening 5.Metal level 3 is scheduled to by first composition surface 10 of first 8 and second composition surface 11 of second portion 9 in the layout of housing 4 medium dips.At this, metal level 3 is depicted as the first outside circumference 15 that do not stretch out first 8 and second excircle 16 of second portion 9.
With side view particle separator 1 is shown among Fig. 3, wherein by housing 4 enter opening 5 and outlet opening 6 has also defined central shaft 7.In this embodiment, metal level 3 rests between second composition surface 11 of first composition surface 10 of first 8 and second portion 9 with the form of bending.
Fig. 4 be illustrated in assembling or arrange before, first housing parts 8 with first composition surface 10 and the metal level 3 that has the second portion 9 on second composition surface 11 and have treated edge 14.This illustrate, originally metal level 3 can be smooth, and can at first be set to precalculated position 18, subsequently by being arranged in the shape that obtains expecting between first composition surface 10 and second composition surface 11, as can be from appreciable Fig. 3 for example.
Fig. 5 illustrates the multiple field version of metal level 3, and wherein the ground floor 31 and the second layer 32 are arranged (partly is decomposition view at this) relative to each other in the mode of direct plane contact.The ground floor 31 that at first flows through has the width 29 of opening 28, and this width is than the width 29 little several times of the opening 28 in the second layer 32 subsequently.Therefore, ground floor (only) has been born the function of separating particles, and second layer 32(is only) be used for (back side) supporting or the local butt joint of ground floor 31.In any case, metal level 3(or ground floor 31 herein) and have such opening 28, this opening has the width 29 in 0.05 to 0.25mm scope.
Fig. 6 illustrates particle separator 1 with vertical view, and wherein for the metal level 3 with a kind of structure simply is shown, this structure does not correspond to corrugated part in appearance.Fig. 6 only illustrates housing 4 or enters a kind of in may configuration of cross section 30 multiple of opening 5.Same feasible be to enter opening and outlet opening 6 and have and differ from one another and/or the shape different with other cross section 30 of housing 4.
Fig. 7 illustrates motor vehicle 19, and this motor vehicle has internal combustion engine 2, particle separator 1, turbocharger 26 and has exhaust gas purification unit 24 alternatively.Gas extraction system 20 is made up of discharge duct 21 and egr conduit 22.The swept volume of internal combustion engine 2 (displacement volume) left side from figure is supplied the exhaust of supercharging, and flows out at opposite side exhaust streamwise 27.By the particle separator 1 of egr conduit 22, the turbo-compressor that can prevent turbocharger 26 is not deflated the larger particles infringement in the system 20.This particle for example can be from the exhaust gas purification unit 24 of (part) pottery, this exhaust gas purification unit 24 of having flowed through before the exhaust.Therefore, particle separator 1 has protected all (arranged downstream) parts subsequently not by the infringement from the larger particles of the portion's section that is positioned at particle separator 1 upstream of internal combustion engine 2 and discharge duct 21.These parts are turbocharger 26 and/or other exhaust gas purification unit and/or cooler 25(or heat exchanger especially), parts in the egr conduit 22 especially.Therefore, also protect internal combustion engine 2 and its swept volume not to be damaged by larger particles.Fig. 7 illustrates any technical significant layout of particle separator 1, but does not constitute the restriction to the accurate layout of particle separator 1.
Therefore the present invention has solved the technical problem of contact description of the Prior Art at least in part.
Reference numerals list
1 particle separator
2 internal combustion engines
3 metal levels
4 housings
5 enter opening
6 outlet openings
7 central shafts
8 firsts
9 second portions
10 first composition surfaces
11 second composition surfaces
12 spacings
13 external shells
14 treated edges
15 first excircles
16 second excircles
17 zones
18 prepositions
19 motor vehicles
20 gas extraction system
21 discharge ducts
22 egr conduits
23 contact points
24 exhaust gas purification unit
25 coolers
26 turbocharger
27 flow directions
28 openings
29 width
30 cross sections
31 ground floors
32 second layers.

Claims (10)

1. particle separator (1) that is used to handle the exhaust of internal combustion engine (2), wherein in housing (4), be furnished with at least one metal level (3) that exhaust can be flow through, described housing has the opening of entering (5), outlet opening (6) and central shaft (7), wherein said housing (4) comprises first (8) with first composition surface (10) and the second portion (9) with second composition surface (11), wherein said first composition surface (10) and described second composition surface (11) correspond to each other, and described at least one metal level (3) separates described first composition surface (10) and described second composition surface (11) on whole circumference.
2. particle separator according to claim 1 (1), wherein, described first composition surface (10) and second composition surface (11) are not in the smooth plane.
3. particle separator according to claim 1 and 2 (1), wherein, described at least one metal level (3) passes through external shell (13) tensioning each other by means of described first (8) and described second portion (9).
4. according to the described particle separator of one of aforementioned claim (1), wherein, described external shell (13) has spacing (12) in the zone (17) of first composition surface (10) of correspondence of the location relative to each other of described housing (4) and second composition surface (11).
5. according to the described particle separator of one of aforementioned claim (1), wherein, described at least one metal level (3) has treated edge (14), and described treated edge is arranged in outside the described housing (4) at least in part.
6. according to the described particle separator of one of aforementioned claim (1), wherein, described at least one metal level (3) contacts described external shell (13) at least in part.
7. method that is used to make particle separator (1), described particle separator comprises metal level (3) that external shell (13), exhaust can flow through, have first composition surface (10) and have first excircle (15) housing (4) first (8) and have second composition surface (11) and have the second portion (9) of the housing (4) of second excircle (16), described method comprises the steps: at least
-layout described metal level (3) between described first (8) and described second portion (9);
-by being gathered together, described first (8) and described second portion (9) clamp described metal level (3);
-go up promotion described external shell (13) at first excircle (15) of described first (8) and second excircle (16) of described second portion (9); And
-make described external shell (13) and described first (8) and described second portion (9) in the zone (17) on described first composition surface (10) and described second composition surface (11) external engagement.
8. method according to claim 7, wherein, described first (8) is made by separating by a workpiece with described second portion (9).
9. method that is used to make particle separator (1), the first (8) of the housing (4) that described particle separator comprises metal level (3) that exhaust can flow through, have first composition surface (10) and the second portion (9) with housing (4) of second composition surface (11), described method comprises the steps: at least
-housing (4) is provided;
-described housing is separated into first (8) and second portion (9), thus first composition surface (10) and corresponding second composition surface (11) that non-rectilinear extends formed;
-layout at least one metal level (3) between described first composition surface (10) and described second composition surface (11);
-make described first composition surface (10) and described second composition surface (11) fixing relative to each other, thus metal level (3) is remained between this first composition surface and second composition surface.
10. motor vehicle, gas extraction system (20) with the exhaust that is used to handle internal combustion engine (2), this gas extraction system has at least one discharge duct (21) and has egr conduit (22), wherein, in described egr conduit (22), be provided with according to the described particle separator of one of aforementioned claim (1).
CN2011800554007A 2010-11-19 2011-10-28 Particle separator having a multi-part housing Pending CN103221112A (en)

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DE102010051712A DE102010051712A1 (en) 2010-11-19 2010-11-19 Particle separator with multi-part housing
DE102010051712.7 2010-11-19
PCT/EP2011/068995 WO2012065831A2 (en) 2010-11-19 2011-10-28 Particle separator having a multi-part housing

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EP (1) EP2640487A2 (en)
JP (1) JP2014501869A (en)
KR (1) KR20130093150A (en)
CN (1) CN103221112A (en)
DE (1) DE102010051712A1 (en)
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WO (1) WO2012065831A2 (en)

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DE102015116298B4 (en) 2015-09-25 2019-05-16 Witzenmann Gmbh Ellipse tube filter and flowed through or flowed through by a fluid flow line

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EP0154145A2 (en) * 1984-02-28 1985-09-11 Degussa Aktiengesellschaft Apparatus for cleaning diesel engine exhaust gases
CN1404411A (en) * 2000-02-23 2003-03-19 贝克特股份有限公司 Filter element
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JPS58202325A (en) * 1982-05-20 1983-11-25 Kuniyoshi Takayama Purifier/silencer of exhaust gas, etc.
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JP2006312895A (en) * 2005-05-09 2006-11-16 Shigehide Kakei Particulate material filter
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DE3203237A1 (en) * 1982-02-01 1983-08-11 Knecht Filterwerke Gmbh, 7000 Stuttgart Exhaust gas filter for internal combustion engines
EP0154145A2 (en) * 1984-02-28 1985-09-11 Degussa Aktiengesellschaft Apparatus for cleaning diesel engine exhaust gases
CN1404411A (en) * 2000-02-23 2003-03-19 贝克特股份有限公司 Filter element
US20090071151A1 (en) * 2006-03-24 2009-03-19 Emitech Gesellschaft Fur Emissionstechnologie Mbh Configuration Having a Protected Turbocharger in an Exhaust Gas Recirculation Line and Motor Vehicle Having the Configuration

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JP2014501869A (en) 2014-01-23
RU2013127605A (en) 2014-12-27
EP2640487A2 (en) 2013-09-25
WO2012065831A3 (en) 2012-08-09
US20130247548A1 (en) 2013-09-26
DE102010051712A1 (en) 2012-06-06
KR20130093150A (en) 2013-08-21

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Application publication date: 20130724