• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention refers to an EGR sister, comprising a channel (48) having an inlet opening (šíš) (ten an outlet fi siípprlirlg (56), 'will-right cartel (48) íntraffattar' a tïñsta karralr fi ztrti (54) rnetl a first two , a second male part (56) with a second transverse groove area (A2) nell a rnellart the llšrfsta nell artdra kztrlalpafrtiret (54, 56): tnnrfdnatt övergärlgslparftir (S8). EGR gas sex "(25) in the upper part (58) when šGR ~ gavsernar (25) strands in the direction from the in ^ lip opening (fšíš) to the * opening ((52) and that a second virtual ('74) (wall becomes "Dance of * a return lead (72) in the first karral portion (54) when the return lead (72) flows from the tloptrsöptarrittgett (52) to ittleptastïppttirtgert (Stl)." Tlppllnnlngen also refers to a tlår-brännírlgsrnotl (sä) 2 -4) sanrt ett ferden (l), sern comprise en sêíflan törbränrlinrgsrneter (2). (FFig . 4)
    公开号:SE1350107A1
    申请号:SE1350107
    申请日:2013-01-31
    公开日:2014-08-01
    发明作者:Ove Spontón
    申请人:Scania Cv Ab；
    IPC主号:
    专利说明:

    l k) t) Ut Vi flödet een returllötlet. The necessary drivftifyftëketi rises, which rnediför that gasx / äxlittgs- work increases: Det linne .kända læšsniiigair tined baekvfeiirtil fi ftï in the liters of reedvYerttileif, which liårsökt solve, the above. tirebleiit. Nàektielen nrecl reediøentiler i EGR systeinet är att adderar tiyektštll i trainiriktnirtgert. Moreover, irtilj than in the EGlš system is aggressive; vfill-: et pšíver ~ lrai 'reedizentilernas livfsläiigd itegativft. The flexure element lïR-rål fi94 t ~ š4lâl * shows an ilšIíÅi-lšsystent, in which a lššíÉllšt cooler een a valve is anertlnatle. ln- eelt ittleppstäppnittgatna to EGRdq / laren ntflít valve true; there ~ to anslntzinde ltaitaler are ititlerrna-: le to consider a 'nalrâtriktat tlö-fle of lšlí fi šlš-gasei' in EGR fl systeinet, SzltlvfllVlr / ÄÅNFÅIÄÄI "lfNlNifš ettvå avNNFl avn llfn sftistern late l fi räiaer a small gatsvàtxlingsarlsete, late has a long lifespan, late requires a little untler- liåll and sein lrart. manufactured at a low cost. There is also a need for further development, a combustion network nted such an EGRejfstetn, which works in low fuel supply, ylftcät nied ilïšfeliggainile upplirtriirig is .att åstadkenrittzt a Eíllišfsystein, which requires a litislseet. Another purpose of tippllttriltigett is to âstaflkoinina an EGR system, which has a long service life. Ältnu ett: sylta: nte-d upp fi trnittgeit is that åstadkeinina, an EGReystein, sein can be made to a low chestnut.
    A ytteilitgztre sytte tried "npptinniitgiæii is to åstadkeittrrtzt a tefliirfättrtitigsrneter ined an EGlš-fnfstern who works with fuel consumption, lk) t) Ut Vi Defssai purposes are achieved nted an EGR-syeteni arv tlet ilaitlai fis slit aviitlai ik slit's. Claim 1 of the claim.
    This is also apparent from a description of the inl eiln in gviser rtäninila, the type, which is characterized by the features set out in the patent part 1 of the patent.
    These objects are also achieved within a vehicle of the type initially mentioned, which is characterized by several features which are set forth in the specification of the patent. (ienoin to provide the lšltIi-R system with a special ritterniad geometry åstadlmninies a strörnnirigselenient iailket liar differentiated tryekiall in from »respectively: battkrikttningen geriein that at a skztrr; .kant liikias a zivlösiiirig een tfrftl u ''. The position of the * vortex or its influence on it is different in the frani- or batkriktriirigeri. This iretluiterztr ieturilêštlet titth (lšírrneal 'rielitwaft of ríritftryelt in the train direction, which inedför a lower lrraiisxlelings- bait.
    Htzla lausnin en bv f er en assiv Geernetri utaii rërli fi a, parts which enern sin nt- .. e. . L For this purpose, the flow valve is used to mimic a belt valve.
    Geitern länipligt * val av irigftenrle giftinietriskzt 'pararneti'ai' lies Eülïš ~ s§fsteiriet slrariiis ett geemetri sein affectar ströniniiigeii av Ešfilš-gaiser i kanalen, att en virtuell vfagg bil- das i til öflesrfiknitrtingen, which means' E fi Rfga / serria changes geernetiiri so that lšlí fl šlš-gaserria iipplevei 'den. When the EESC gases flow in the flow direction, a vortex is created in the channel transition path for the EGR gases that will not be taken up; - taken as a virtual EESC gases Stiiinnriar in ibaekrilttiiiiigeii keinrner a lflart virtual in the canal. The second virtual wall has a small effect on the direction of the EGR gases in the direction of the flow, which will try to reflect the return flow and thus a small amount of drift effect in the free flow, which will result in a lower flow rate. fordon et. “ftteirligztre iördelztr nietl initiiiriiiitrigiæri trztrngåir of the following tietaljiäratle description, lk) O Ut Vi KGRT BESKRlX / WING OF THE RíTNlNGARNA l the following lteskritfs, såsern an example, a fdredrzt tried littings tferisfer. l shows a sitliierriatic siiiovy 'of a terderi l, sem. inrielfzittrtr a filbrbrärtriirrigrrieter with an ECIR system according to the present invention, P ig. 2 'shows a se nernatic view of a tllrbränningsnietei' with a lšGR-syfstein according to reli fl »tande u fi nnin fl C7 ~ _ _ 3.77 Pig. 3 is a sectional view of a channel in the EGR system according to the present disclosure in the invention in the structure of the triangular tube. nell Pie. 3a shows a titital 'vv atv ti. 3 in ernråilet rnellan. the thirsty lcartal zirtiiat (tel: älv / er- L j .z gangway, eeh P ig. 4 tvisai 'a sectional view of a canal in the ELCilš system according to the present tupptiiiniiig with aïvgas flowing in the backward directionitiiigeit. LllïPPlN-Nlllfílild 'Pig. A schematic side view of a vehicle 1, which includes a combustion engine 2 with an EGR sister. 4 according to lïšreliggaritltä itripliriiïiirig. The front riser 2 is connected to a gearbox 6 and the gearbox 6 is further coupled to the drive wheel of the wheel. On the other hand, the combustion engine 21 is a small vinetor.
    Pig. 2 shows a structural view of dry drainage nits 2 with an EGR sister 4 according to the present invention. lšlnli gt the vfisade iittÉåringSeLXeinpÉet has combustion nietorii 2 four cylinders li), where * each cylinder li) iinyiitiner a calf l2 and a fdrbräniiiirgsrurn 14, lv / .letierri 2 have iiekså. a iitgåeritle axis l6. The combustion chamber 2 contains a suction system 18 for supplying air to the combustion chamber 14 and a gas tank 2G to allow the emission to escape from the combustion chamber. Between the intake syststerriift lies the rieli of the gas system Z1) the liíllšfsjvfsteinet 4 is still arranged. the lšfGlš system 4 is connected 1 k) O iJi 1.11 nied eivgaxssyfsteniet, 20 and an EGR valve 24 controls nišiiigtleii exhaust gases sein tilllörs EGR- syisteinet 4 i ffoifni av lEClR-gaser 25, se lig, 3. l aim to increase nintnrelfelšíten it is possible to arrange an Efilad dripper 22 in the EGR system 4, so that the EfiR gases 25 are cooled before they are supplied to the intake air from a l-reir compressor 28, the lEGR sister grease 4 in front of the inlet system 18 downstream of the EGR system 22 downstream of the EGR system. -lgflaren 4 at a llširbiiitltälstfiitinlrt 26 (learn EGlš-gztsenaa 25 is added lnllerl in the iristigningssysten 18.
    The ECIR-Xfentil 24 can be arranged ui l iaströms or iiedströnis EClR- »cooler 22. Efílš- systernet 4 förbunileft: ned sucksningssystenifzt 18 iiedströnis konipressern 28 which means that the lšlGlš system 4 connected to the ltíâgtqfclrssi dan by lrnnipressnrn 28. lšitt vfeiitil »element 29 is arranged in the ascent system 18 iierlströnis lionipressor 28 which valve element 29 controls a supplied supply to the combustion titer 2. The valve element 29 is coupled to a throttle control (not shown), which is transmitted by the driver of the circuit 1.
    Kernpressorii 28 is driven according to the shown titföriiigsexeniplet by rnotern's exhaust gases via a tnrliiii 3G, sein kriïæplztd to atfgztss3fsterntët 29. liststignirtgssjyfsterrtet låš är füretrêtflesvfis tippbjvfggar av tube, sli ' to the combustion pipe 14 of the engine 2. The exhaust gas cylinder 20 is further constructed of for 36, which transports the 'exhaust' exhaust gases from the combustion furnace 14 of the combustion engine 2, through the turbine line 3G further out to the gasification pipe, via a gas pipeline 38. 4 is also tipped by tube 4G which transports atfgaseiiia from a coupling inlet 41 via EGR-guided 24 nell. lïíllšfkjylziireti 22 nell * on to a lreprßlingsariorilniiig 42 at lförbinrleb sepuiikteii 26 where the EGR gases. 25 the air is supplied to the intake system 18. The EGR system 4 is enclosed in a cable 48, which is to be written down in the cleats. The EGR gas gas 25 is fed to a mixture thus mixed with the irrigation gas 26 at the flow point 26 or passed further in the inlet syringe to a purge tank 44 where the combined EGR gases 25 (the intake air) are sent to the exhaust air. 25 and irisitgningsluften vitlare till teäsp. Lörliräiíiningsruin 14.
    The distance inellaii förliiiidelsepuiildeii 26 eeli förgreniiigspuiiltteri 44 is between t) min Sill inrn, preferably between lill) niin 259 iiiin.
    Pig. 3 shows a sectional view of lvïaiialen 48 in Eššlßsysteiieiet 4 according to the present agfpfiiiniiig nied EGR gases 25 stirföiirtiriztride i trarnåtrilktninlgen, Kanalen 48 irinelëittztr en irilnpps- tippning Stl nelli utiiii. Out Vi lip opening 5G to ntltiíarasáäpí fi itiiigeii 52. The channel 48 comprises a first channel portion 54 inside a first cross-sectional area A1. a second channel artery 56: down a second cross-sectional area A2. a transition portion 58, arranged between the first and second channel portions 54, 56, is then defined to form a first virtual channel 60 in the transition portion 58 in which the EGR gases 25 flow in the direction of the potential. till utleppsöppningen 50, 52. Den .tiirstzi sfirtitellzt vfaggtën 6G ittgörs: tv en atv EiíÅlR-gzts fi fifria '25 bildad törsta * aiwel 62. litllå-sjtfsteinets 4 kanal 48 liar en 'väsentligen jänin inneryta 7G een at' circular cross-section to: down the largest etlel-: t the niiniinal tlšrlitster overtake ptilseriergiri nos the exhaust gases genrini lššCtlš-systeinet 4. Thus, the first has the second channel portion. 54. 56 saint transition path 58 töreträtlefsvfis a circular ttfšlrsriitt dšlr difergšltigstpaitftiiets 58 inirista diameter rnetsifatrar the diameter of the first kaitalpzirtiet 54 dl een transition portion 58 the largest diameter corresponds to the second channel portion 56 dianieter dZ. Deck map The EGR system's 4 kzttial 48 appetite / isla. a gridtywtklig tbnti seen in the tt-iärsnitts direction.
    (Aišvergåiigsiiartiet irineliattai 'a ltrökt wall 64 nied en * substantially smooth iiineiryta 66.
    The connection between the first channel portion 54 or the transfer portion 58 forms a sharp edge 63, which has a radius r, * which tläretradesivis is rniridre an (M5 times (let tfirsta channel portion 54 diameter dl, i.e. r <(Li 5 x dl). .that the first tfirt error 62 is to be nilled in. tirititnall way liar eveffgåiigsrizttti fi its 53 .curved tfagg 64 radius R i (intrade. (Li times the second channel portion 56 diameter dl to (3.5 times the diameter d2, i.e. 0.1 d2 R. f; (3.5 x, then. Företrätlesttfis liar övftërgåiigsïiztrtitits 58 laröktzt wall 64 a radius R i (the entrance (LI / I times fliarneterii dZ to (3.3 times the diameter dZ, i.e. 9.2 x ') d2 3 R íï (3.3 x dZ. “At the junction of the transition portion 58 with the lowest channel portion 54, the smoked bead 64 may have a substantially opposite portion with an angle niotsvaraiide the angle d lies a tangent t to the curved wall 64. Steleltrïii of the angle is in the tiniir row Iitl 9G degrees, 'preferably in the range 45 ° - til l ”. .färisliitniiigeii between tlet second lraiial »portion 56 een transition portion 58 forms a tfäsentliïgeii janin surface 7G.
    Pig. Éa »fisar en tietalitfy 'av tig. 3 in the area between the first channel portion 54 and the transition path 58. The tranline connection is located at least the first channel portion 54 or the transition path. sharp edge 68 rned ra-: li en r. It trarngåi 'also how it lk) O Ut Vi curved tag 64 at öX / ergårigspartiet 58 connection with the first channel portion 54 can tip a * substantially flat portion with a sfrnkel rnotstfaraiide angle e. lies a tangent t to the curved tag 64. The aisle portion 58 nell the second karialgiartlet 56 liar 'a true length L, late is greater than the aridiïzt karralílartis 56 difanieter d2, liöretlrâtrlesvis in ernråiiliët 2 to 3 the aridra channel portion d' 56 cliainete * appears in fig. Darined uppkemnier 'en sannnanlagd. length L of the transition portion 58 and the second channel portion 56, each of which is sufficient to drain the first vortex 62 formed by the lisitliR gases 25, and to regenerate the adjacent flow of the EGR gases in the smooth channel portion 56.
    Ben tlllrsta cross-sectional area Al al 'Fdretrarlesftfis niindre than the other cross-sectional area A12 title: lörlíiållantiet niellan the other, elelr the Farsta, txfärsliittsztrean A2, Al is in the area Z - 15, it wants ZZ /' Al S l5, Fålirletärrlill aridrzt 'the the lförsta ttfarsriittsarean fXQ., ifftl in eniråtlet 4 3, that is, 4 in' 1 2 / '1Äl íï 8.
    Efterseni. förbrainriiigsnietern 2 is a kelxfinoter kernrner tr§fel stenr 2G to vary. elelr pnlsera, which, in turn inedftlr 'to exhaust fl fate varies nell pulsates. lillersern lšlšllšsysteniet 4 is arxsliitet to rneterns 2 exhaust system 2G kenrmer avga ~ seinas trywtl: the flow in the EGR system f-l att. * aarierai nell dearniecl pulsera. l syfte att und- viltía att lšiíllbsysternet 4 ltnnirtier att titjämna avgasernas tryele nell llödestfariatirtner liär Eíílš-gaserna 25 passerar genein EGR-systeniet 4 niedfei 'den første * aiiwfeln 62, sent l fi iltlar Lien lförstziir 60i. .
    .Atfgaseirnfats tlfyfek een .llötle vary nell ptilserai 'riedstrföirts åitfergåiigspzlrti fi ft 58, .Deli i lšltšlšgaseriia 25 tlârekemniartrle pnlsenergirt birlrar till en god einblandningseffekt av EGR ~ gaser 25 eeli insugniiigsltitt i tlšrbranningsirinteiiis 2 alla tïárlarän- ningsnini 14 erhålls. Thus, a similar power is obtained from all cylinders 11) of the igniter, which means that the performance of the combustion engine 2 increases the efficiency of the exhaust gases in the 2 exhaust gases of the igniter. The pulse energy emitted in the EGlš gases 25 is relieved by the llifsta ifirveln 62.
    Flag. 4 is a sectional view of cathrialia 48 in the EGR system 4 according to töreliggaritl fi: iipïillririiirig with a retnrtlöde 72 strörnrnantle in the ltalzat direction. lwíed bakâtriktriingen nreiias likt- 1G ... i Ut ningen när: utloppsöfppningen 52 tiil iriiorapsöpl fi iiiiigeii 5G. In the EGR system 4, a periodic driving pressure of three gases in the train direction is observed, which is attenuated by a pressure in the direction of the gas injection. "fryfeket i 'iaaekriktningen driver retnrfiödet 72 i EGRfsysternet 4, sein niåste övervinnas av fi ödet. i .tfra.niir'iktriirigeri. När retur fl öflet 72 strömmar ividningen fra Litieprffsöppiiingen 52 tiii inieppsöppningen 5G innri deïnfnrii'n dehsfn. .iraria.i1;> artier'n.a 54, 56 sann Övfrërgårige- partiet 58 att en andra * airtneli wall 74 kernrner att 'eiidas i Liet fi óreta kanaipartiet 54.
    The ancira vfirttielia wall 74: consists of * one of * return fl fate 72 biitiad other. vfirvwzl 76. The second * airtuelia wall 74 has an inindrande inveriean on retnr fl ödet 72 in ibaeirriirtiiirigerr, which connner to reduce the returtïöriet 72. een cianned nekså. reduce. beirriveet avf EGR- gasernas 25 drivtrvvek i fi airretning. Thus. a lower fuel consumption is obtained when operating the combustion engine 2: weir ibrrinnet i.
    For that faii the first it. the second carriage portion 54, 56 As well as the transition portion 58 have a circular cross-section. The first min zmidra virvizinizi 62, 76, the first 6,011 second virtual walls 60, 74 being to show a ferrn late rnetstfarar a tereid extending around and eentrriniiinje fi in channel 48. The first. vfii fl aein 62 sern constitutes the thirst virtneiia wall 60 irranrnier then that “irnderiêitta ifíílilšgaserit fi as 25 ströiniiirtg in fi aznåt direction while the other. vn 'ein '76 which constitutes' the aridra. Virtual 'vffiggeri' _34 can form a fertretigiirig 73 in the first kanai portion 54, which has an itindraitrle effect on. return fl ödet 72 in baekriktninge. ßiiigivfna keingwniieiiter eeir särdrag som stated exfan kan inein rieinbriiniinrias. eiiiqa. specified. utíöriiïigstfertrier.
    权利要求:
    Claims (1)
    [1]
    1.4.
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    引用文献:
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    FR1560334A|1967-12-04|1969-03-21|
    US6336471B1|1981-07-16|2002-01-08|James J. Feuling|Flow system for enhancing undirectional fluid flow|
    US4848281A|1987-11-30|1989-07-18|Mccord Ronald R|Pulse chamber and supercharging apparatus for internal combustion engines|
    JP2005133611A|2003-10-29|2005-05-26|Nissan Diesel Motor Co Ltd|Exhaust gas recirculation device for engine with supercharger|
    JP2007224813A|2006-02-23|2007-09-06|Yanmar Co Ltd|Internal combustion engine|
    FR2948419A1|2009-07-27|2011-01-28|Renault Sas|Flue gas recirculation line for e.g. petrol engine, has inlet connected to exhaust line of internal combustion engine, where line has permeability that is higher than its permeability in opposite direction of backward flow of gases|JP6472139B2|2015-06-15|2019-02-20|富士フイルム株式会社|Orifice, liquid feeding device using the same, coating device, and optical film manufacturing method|
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    优先权:
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    BR112015015852A| BR112015015852A2|2013-01-31|2014-01-27|egr system, engine comprising such a system and vehicle comprising such engine|
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    PCT/SE2014/050102| WO2014120066A1|2013-01-31|2014-01-27|Egr-system, engine comprising such system and vehicle comprising such engine|
    EP14746417.6A| EP2951423B1|2013-01-31|2014-01-27|Egr-system, engine comprising such system and vehicle comprising such engine|
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