HUE031150T2 - Porlasztóbilincs - Google Patents

Porlasztóbilincs Download PDF

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Publication number
HUE031150T2
HUE031150T2 HUE11250747A HUE11250747A HUE031150T2 HU E031150 T2 HUE031150 T2 HU E031150T2 HU E11250747 A HUE11250747 A HU E11250747A HU E11250747 A HUE11250747 A HU E11250747A HU E031150 T2 HUE031150 T2 HU E031150T2
Authority
HU
Hungary
Prior art keywords
fuel injector
powder metal
blank
fahrenheit
injector clamp
Prior art date
Application number
HUE11250747A
Other languages
English (en)
Inventor
John Engquist
Richard S Hennen
Original Assignee
Burgess-Norton Mfg Co Inc
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 Burgess-Norton Mfg Co Inc filed Critical Burgess-Norton Mfg Co Inc
Publication of HUE031150T2 publication Critical patent/HUE031150T2/hu

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1017—Multiple heating or additional steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/16—Both compacting and sintering in successive or repeated steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0264—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 5%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/166—Selection of particular materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/85—Mounting of fuel injection apparatus
    • F02M2200/855—Mounting of fuel injection apparatus using clamp elements or fastening means, e.g. bolts or screws
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/90—Selection of particular materials
    • F02M2200/9092—Sintered materials

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Powder Metallurgy (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Description

(12) EUROPEAN PATENT SPECIFICATION (45) Date of publication and mention (51) Int Cl.: of the grant of the patent: B22F 3110<2006 01> B22F 3116 <200601> 23.11.2016 Bulletin 2016/47 C22C 33IO2<200601> F02M 61I14<200601> F02M 61116 <2006 01> B22F 5110 <2006 01> (21) Application number: 11250747.0 (22) Date of filing: 30.08.2011 (54) Fuel injector clamp
Klemme für Einspritzdüse Fixation d’injecteur de carburant (84) Designated Contracting States: · Hennen, Richard S. AL AT BE BG CH CY CZ DE DK EE ES FI FR GB St Charles, IL 60174 (US)
GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (74) Representative: Davies, Christopher Robert
Dehns (30) Priority: 10.09.2010 US 807582 St Bride’s House 10 Salisbury Square (43) Date of publication of application: London EC4Y 8JD (GB) 14.03.2012 Bulletin 2012/11 (56) References cited: (73) Proprietor: Burgess-Norton Mfg. Co., Inc. EP-A1- 0 738 830 US-A- 6 134 786
Geneva IL 60134 (US) US-A1- 2008 193 320 (72) Inventors: • Engquist, John St Charles, IL 60175 (US)
Note: Within nine months of the publication of the mention of the grant of the European patent in the European Patent Bulletin, any person may give notice to the European Patent Office of opposition to that patent, in accordance with the Implementing Regulations. Notice of opposition shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).
Description BRIEF DESCRIPTION OF THE DRAWINGS BACKGROUND OF THE INVENTION [0010] The drawings show an embodiment of the in vention, in which: [0001] The present invention relates to a method of 5 forming a fuel injector clamp and, more particularly, to a Fig. 1 is a perspective view of a fuel injector clamp method of forming a fuel injector clamp using a powder that can be formed in accordance with a method of metal process, a first embodiment of the present invention; [0002] Fuel injectors in internal combustion gasoline, Fig. 2 is a side view of a fuel injector clamp, that can diesel and other engines are often held in place by a to be formed in accordance with a method of a first clamping device, termed a fuel injector clamp. Such fuel embodiment of the present invention, with a fuel ininjector clamps can be made from forged steel or invest- jector inserted in the fuel injector clamp, and ment castings; some fuel injector clamps are made from Fig. 3 is a fuel injector clamp, that can be formed in suitable powder metals as well. Such fuel injector clamps accordance with a method of a first embodiment of must be sufficiently strong and rigid to assure proper is the present invention, with a fuel injector inserted in holding and sealing of the fuel injector during periods of the fuel injector clamp and wherein the fuel injector stress. clamp is subjected to a downward load.
[0003] In certain designs of fuel injector clamps, it is desirable for the fuel injector clamp to be deformable by DETAILED DESCRIPTION OF THE PREFERRED EM-stress or load. It is important that the fuel injector clamp 20 BODIMENT be able to be deformed within elastic limits such that, the fuel injector clamp responds elastically without failure or [0011] A method of forming a fuel injector clamp utiliz-cracking. ing powder metallurgy techniques is provided. Thismeth- [0004] Accordingly, it is object of the present invention od comprises the steps of providing a powder metal to provide an improved method for the manufacture of a 25 charge comprising, in percent by weight, 0.6-0.9 carbon, fuel injector clamp utilizing powder metal methods. 1.5-3.9 copper, 93.2-97.9 iron, with the balance other [0005] EP-0738830disclosesaclampforafuel injector elements. The powder metal charge is die compacted to unit the blank shape of the fuel injector clamp to a density of 7.0-7,1 grams per cubic centimeter. The compacted SUMMARY OF THE INVENTION 30 blankisthenpre-sinteredat815.6-871.1 degrees Celsius (1500-1600 degrees Fahrenheit), fora period of 15 min- [0006] According to the present invention, there is pro- utes to form a powder metal blank. This powder metal vided a method of manufacturing a fuel injector clamp as blank is then coated with suitable lubricant such as EBS-claimed in claim 1. WAX (Ethylene Bis Stearamide).
[0007] The final powder metal blank is in the desired 35 [0012] The lubricated powder metal blank is re-com- configuration of the fuel injector clamp. pacted to a density of at least 7.3 grams per cubic cen- [0008] Also disclosed is a fuel injector clamp that is timeter and then sintered at about 1121.1 degrees Cel- comprised of a compacted sintered powder metal. The sius (2050 degrees Fahrenheit) for a period of 10 to 30 fuel injector clamp itself comprises a unitary structure minutes to form final powder metal blank. The final pow-having a generally cylindrical center portion itself having 40 der metal blank has a ductility and elongation to allow a center opening- A first wing portion extends laterally strain without permanent deformation of at least two per-therefrom, and a second wing portion extends laterally cent. therefrom at a 180 degree angle from the first wing por- [0013] Referring now to Fig. 1, a fuel injector clamp 10 tion. The center portion of the fuel injector clamp includes is shown. Fuel injector clamp 10 is comprised of a powder alowersurface.withafirstsupportedgeextendingdown- 45 metal made in accordance with the method described wardlyfrom the center portion lowersurface adjacentthe above. Fuel injector clamp 10 comprises a generally cy-intersection with the first wing portion. A second support lindrical center portion 14 having an opening axially there edge extends downwardly from the center portion lower through. Center portion 14 includes a lower surface 16. surface adjacent the intersection with the second wing [0014] First wing portion 18 extents laterally from cent-portion. The center portion lower surface extends down- so er portion 14 and includes an axial opening 22 extending wardly beyond the lower limits of the first support edge vertically there through. Fuel injector clamp 10 also in-and second support edge. eludes a second wing portion 20 extending laterally from [0009] Upon subjecting the fuel injector clamp to a center portion 14 in a direction 180 degrees from first downward load at the first and second wing portions, the wing portion 18. Second wing portion 20 also includes first and second support edges move downwardly elás- S5 an axial opening 24 that extends vertically there through, tically to a plane even with the center portion lower sur- [0015] Center portion 14 also includes lower surface face. 16 that itself includes a first support edge 26 extending downwardly along a portion of lower surface 16 adjacent the intersection of first wing portion 18 and center portion 4. The method of claim 1,2 or 3 wherein the sintering 14. A second support edge 28 extends downwardly along at about 1121.1 degrees Celsius (2050 degrees a portion of lower surface 16 adjacent the intersection of Fahrenheit) is performed for 10 to 30 minutes, second wing portion 20 with center portion 14.
[0016] Referring now to Fig. 2 and Fig. 3, fuel injector 5 5. The method of any preceding claim wherein the lu-clamp 20 is seen to receive fuel injector 30. Fuel injector bricant is selected from the group of Ethylene Bis 30 is seen to comprise a generally cylindrical elongated Stearamide waxes. structure having a generally cylindrical lower body section 32, a generally cylindrical upper body section 34, and a support 36 located between lower body section 32 10 Patentanspriiche and upper body section 34. Upper body section 34 is seen to pass through the opening in center portion 14 of 1. Ein Verfahren zur Herstellung einer Kraftstoffein-fuel injector clamp 10. spritzdiisenklemme umfassend die Schritte von: [0017] In Fig. 2, under an unloaded condition, fuel injector clamp 10 is seen to have a lower portion 21 of its 15 Bereitstellen einer Metallpulverladung umfas- center portion 14 contacting upper surface 38 of fuel in- send, in Gewichtsprozent, 0,6 - 0,9 Kohlenstoff, jector support 36. Under a no load condition, first support 1,5-3,9 Kupfer, 93,2-97,9 Eisen, mitdem Aus- edge 26 and second support edge 28 do not contact up- gleich anderer Elemente, per surface 38 of fuel injector support 36. As shown in Formpressen von der Metallpulverladung zu ei-
Fig.3,underaloadcondition,fuelinjectorclamp10would 20 ner Dichte von 7,0 - 7,1 g/cc, und dann Vorsin- deform elastically such that first support edge 26 and tern bei815,6-871,1 Grad Celsius(1500-1600 second support edge 28 would move downwardly to en- Grad Fahrenheit), um ein Pulvermetallrohlingzu gage upper surface 38 of fuel injector-support 36. Such bilden, deformation under load would be elastic and, under a Beschichten von dem Pulvermetallrohling mitei- downward force of between 10,000 and 23,300 (2250 &amp; 25 nem geeigneten Schmiermittel, Nachverdichten 5250 Lbs) newtons, result in a downward movement of von dem geschmierten Pulvermetallrohling zu first support edge 26 and second support edge 28 each einer Dichte von zumindest 7,3 g/cc und dann of between 0.63-1.0 milimeters (0.024-0.040 inches). Sintern bei ungefáhr 1121,1 Grad Celsius (2050
Grad Fahrenheit), um einen finálén Pulverme-30 tallrohling zu bilden.
Claims 2. Das Verfahren nach Anspruch 1, wobei der finale 1. A method of forming a fuel injector clamp comprising Pulvermetallrohling eine Záhigkeit und Ausdehnung the steps of: aufweist, um eine Belastung ohne eine permanente 35 Deformation von zumindest 2 Prozent zu erlauben. providing a powder metal charge comprising, in percent by weight, 0.6-0.9 carbon, 1.5-3.9 cop- 3. Das Verfahren nach Anspruch 1 Oder 2, wobei das per, 93.2-97.9 iron, with the balance other ele- Vorsintern bei 815,6 - 871,1 Grad Celsius (1500 - ments, 1600 Grad Fahrenheit) für 10 Minuten ausgefiihrt die compacting the powder metal charge to a 40 wird. density of 7.0-7.1 g/cc, and then pre-sintering at 815.6-871.1 degrees Celsius (1500-1600 de- 4. Das Verfahren nach Anspruch 1, 2 Oder 3, wobei grees Fahrenheit) to form a powder metal blank, das Sintern bei ungefáhr 1121,1 Grad Celsius (2050 coating the powder metal blank with a suitable Grad Fahrenheit) für 10 bis 30 Minuten ausgeführt lubricant, re-compacting the lubricated powder 45 wird. metal blank to a density of at least 7.3 g/cc and then sintering at about 1121.1 degrees Celsius 5. Das Verfahren nach einem der vorangegangenen (2050 degrees Fahrenheit) to form a final pow- Ansprüche, wobei das Schmiermittel ausgewahlt ist der metal blank. von derGruppe von Ethylen-bis-stearamid-Wachse. 50 2. The method of claim 1 wherein the final powder metal blank has a ductility and elongation to allow strain Revendications without permanent deformation of at least two percent. 1. Procédé de formation d’une fixation d’injecteur de 55 carburant comportant les étapes consistant á : 3. The method of claim 1 or 2 wherein the pre-sintering at 815.6-871.1 degrees Celsius (1500-1600 degrees fournir une charge de poudre métallique com-
Fahrenheit) is performed for 10 minutes. prenant, en pourcentage en poids, 0,6 - 0,9 de carbone, 1,5- 3,9 de cuivre, 93,2 - 97,9 de fér, le reste étant d’autres éléments, effectuer une compression unitaire de la charge de poudre métallique d’une densité de 7,0 - 7,1 g/cc, puis pré-fritter á 815,6 - 871,7 degrés Celsius (1500 - 1600 degrés Fahrenheit) pour former un flan de poudre métallique, enduire le fián de poudre métallique d’un lubri-fiant adapté, comprimer á nouveau le fián de poudre métallique lubrifiée á une densité d’au moins 7,3 g/cc, puis procéder au frittage á environ 1121,1 degrés Celsius (2050 degrés Fahrenheit) pour former un flan de poudre métallique final. 2. Procédé selon la revendication 1, dans lequel le fián de poudre métallique final présente une ductilité et un allongement permettant une pression sans dé-formation permanente d’au moins deux pour cent. 3. Procédé selon les revendications 1 ou 2, dans lequel le pré-frittage á 815,6 - 871,1 degrés Celsius (1500 - 1600 degrés Fahrenheit) est réalisé pendant 10 minutes. 4. Procédé selon les revendications 1, 2 ou 3, dans lequel le frittage á environ 1121,1 degrés Celsius (2050 degrés Fahrenheit) est réalisé pendant 10 á 30 minutes. 5. Procédé selon toute revendication précédente, dans lequel le lubrifiant est sélectionné dans le groupe des cires d’éthyléne bis stéaramide.
REFERENCES CITED IN THE DESCRIPTION
This list of references cited by the applicant is for the reader’s convenience only. It does not form part of the European patent document. Even though great care has been taken in compiling the references, errors or omissions cannot be excluded and the EPO disclaims all liability in this regard.
Patent documents cited in the description • EP 0738830 A[0005]

Claims (5)

Pofiasztőbilínes MASADAkMI IGÉNYPONTOK
1- Eljárás porlasztóbílíncs kialakítására, amely eljárás a következő lépéseket lóg Iá íja magában: rend el kei-és re bocsátunk egy fémpor elegyet, amely más elemekkel kiegyenlítve tömegszázalékban 0^0,9 szenet; 1,5-3:,9 rezet; $3,2-97# vasat foglal magiban, sikyésztákes tömörítésnek vetjük alá a fémpor «legyet 7,0-7,1 g/cn# sörösig eléréséig, azután ellzsugorltjuk 81Β,β··871,1 :£iiisíus*íőköft.fi5ÖÖ*Mi®:#ÉhbátílNiflt-fok}y hogy kialakítsunk egy fémpor nyersdaraböt, bevonjuk a fémpor nyersdarabot egy megfelelő kenőanyaggal, új rátörnöd!} ük a bekent férnpor nyersdarabot 7,3 gyem- sűrűség eléréséig, azután zsugorítjuk körülbelül 1121,% Ceissus-fokon (2050 Fahrenheit-íok), hogy kialakítsunk egy végleges férnpor nyersdarabot.
2. Az 1. igénypont szerinti #|jéras, amelyben a végleges fémper nyersdarab alakílhatősága és nyúlása legalább két százalékos maradandó alakváltozás nélküli fajlagos nyúlást tesz lehetővé.
3> Az I, vagy a 2, Igénypoht szerinti eljárás, amelyben az eIőzsugorítási 815,6-871,1 Celsius-fokon pőöö^liöö^Fabrenbeit'fbk) 10 percig végezzük.
4. Az L, a 2. vagy a 3, Igénypont szerinti eljárás, amelyben a zsugorítást körülbelül 1121,1 Ceisius-fökon (2050 Fahrenheit-fok) i0~3ö pereig végezzük.
5. Az előző igénypontok bármelyike szerinti eljárás, amelyben a kenőanyagot az et i I έ n - bísz(sztearamicl} viaszok csoportjából választjuk ki.
HUE11250747A 2010-09-10 2011-08-30 Porlasztóbilincs HUE031150T2 (hu)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/807,582 US8469003B2 (en) 2010-09-10 2010-09-10 Fuel injector clamp

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Publication Number Publication Date
HUE031150T2 true HUE031150T2 (hu) 2017-07-28

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US (1) US8469003B2 (hu)
EP (1) EP2428294B1 (hu)
JP (1) JP5558416B2 (hu)
CN (1) CN102398033B (hu)
CA (1) CA2738137C (hu)
DK (1) DK2428294T3 (hu)
EA (1) EA019822B1 (hu)
ES (1) ES2607277T3 (hu)
HU (1) HUE031150T2 (hu)
MX (1) MX339568B (hu)
PL (1) PL2428294T3 (hu)

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US8522754B2 (en) * 2009-07-01 2013-09-03 International Engine Intellectual Property Company, Llc. Fuel injector clamp
US8469003B2 (en) * 2010-09-10 2013-06-25 Burgess • Norton Mfg. Co., Inc. Fuel injector clamp
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US20190078544A1 (en) * 2015-09-24 2019-03-14 Continental Automotive Gmbh Fuel Rail Assembly
GB2546500B (en) * 2016-01-19 2019-07-24 Perkins Engines Co Ltd Reversible injector clamp
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CN102398033A (zh) 2012-04-04
DK2428294T3 (en) 2017-01-16
CN102398033B (zh) 2014-09-17
EP2428294A3 (en) 2012-05-16
EA201100830A1 (ru) 2012-05-30
US20120060797A1 (en) 2012-03-15
JP5558416B2 (ja) 2014-07-23
CA2738137A1 (en) 2012-03-10
EA019822B1 (ru) 2014-06-30
MX339568B (es) 2016-05-31
MX2011004430A (es) 2012-03-22
US8469003B2 (en) 2013-06-25
JP2012057249A (ja) 2012-03-22
EP2428294A2 (en) 2012-03-14
EP2428294B1 (en) 2016-11-23
PL2428294T3 (pl) 2017-04-28
ES2607277T3 (es) 2017-03-29
CA2738137C (en) 2013-03-12

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