大众发动机.docx

大众发动机.docx

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大众发动机

Petrolengines

[edit]

EA111

TheEA111serieswasintroducedinthemid1970sintheAudi50andlatertheVWPolo.Itisa

seriesofwatercooledthree-andfour-cylinderpetrolandDieselenginesinavarietyofsizes.

Theoverheadcamenginefeaturesacrossflowcylinderheaddesignanddirectly-drivenauxiliaryunits.Theexhaustsideisindrivingdirection.

[edit]

Threecylinders

[edit]

55-70hp1.2

configuration

watercooled1198cm3inlinethree

head

（2V）aluminium,SOHC,twovalvespercylinder,10.3:

1compression

（4V）aluminium,DOHC,fourvalvespercylinder,10,5:

1compressionratio

block

aluminium,fourbearings,balancershaft,76.5mmbore86.9mmstroke,>0.88ratio,399cm3percylinder

fuel

electronicinjection

output

（2V）40kW（55hp）at4750rpm,108N

m（80ftlbf）at3000rpm

（4V）47kW（64hp）at5400rpm,112N

mat3000rpm

（4V）51kW（70hp）at5400rpm,112N

mat3000rpm

application

VWFox,VWPolo（PQ24）andSkoda

Fabia

references

VWAG（2005-04-04）.NewVWFoxInDepth.Pressrelease

[edit]

68-90hp1.2FSI

configuration

watercooled1198cm3inlinethree

head

aluminium,DOHC,fourvalvespercylinder,12.3:

1compression

block

aluminium,fourbearings,balancershaft,76.5mmbore86.9mmstroke,>0.88ratio,399cm3percylinderfuel

FSIdirectpetrolinjection,upto150barhigh-pressurepumpandcommonrail

aspiration

multi-positiontumbleflapintheintakeportcontrollingthetumbleeffect

exhaust

upto25%cooledexhaustgasrecirculation

output

50kW（68hp）at5000rpm,115Nm（80ftlbf）-at3250rpm

65kW（89hp）at6000rpm,120Nmat3500rpm

application

VWPoloPQ25

[edit]

Fourcylinders

[edit]

70hp1.0

configuration

bore/stroke67,1/70,6mm0.95ratio,249cm3percylinder,999cm3inlinefour

head

aluminium,SOHC,twovalvespercylinder,10.8:

1compression

block

aluminium,fivebearings

fuel

electronicinjectionTotalFlexGasolineorEthanoI（BR）

output（2V）

51kW（70PS）at5750rpm,90Nm（65ftTbf）at4250rpm

application

VWFox

[edit]

75hp1.4

configuration

bore/stroke76,5/75,6mm,1.01ratio,347,5cm3percylinder1390cm3inlinefour

head

SOHC2-valvepercylinder,10.5:

1compression

block

castiron,fivebearings

fuel

electronicinjection

output

55kW（75hp）at4800-5000rpm,124Nm（92ftlbf）at2750rpmapplication

VWFox,VWKombi（T2）inBrasil

[edit]

75-100hp1.4

S3I

1.4enginecutaway

configuration

76.5bore75<6mmstroke,1.01ratio,347.5cm3percylinder,1390cm3inlinefour

head

aluminium,DOHC,fourvalvespercylinder,10.5:

1compression

block

aluminium,fivebearings

fuel

electronicinjectionMPiGasoline

output

55kW（75PS）at5000rpm,126Nm（93ftTbf）at3800rpm,onlyassemledwiththe4-GearautomaticandinSkodaCars

59kW（80PS）-63kW（86PS）at5000rpm,128-132Nm（98ftlbf）-at3300-3800rpm

74kW（100PS）at6000rpm,126Nm（93ft•lbf）at4400rpm,nolongerassembledinwesterneurope

application

VWPolo,VWGolf,SEATLedn,SkodaRoomster,SkodaFabia

[edit]

86-105hp1.4FSI

configuration

76.5bore75<6mmstroke,1.01ratio,347.5cm3percylinder,1390cm3inlinefour

head

aluminium,DOHC,fourvalvespercylinder,12:

1compression

block

aluminium,fivebearings

fuel

FSIdirectpetrolinjection,upto110barhigh-pressurepumpandcommonrail,stratified-chargecombustionatpartialloadaspiration

two-positiontumbleflapintheintakeportcontrollingtheturbulence

exhaust

upto35%exhaustgasrecirculation,NOxstorage-typecatalyticconverter

management

BoschMotronicMED7

output

63kW（86PS）at5000rpm,130Nm（95ft-lb^at3750rpminVWPolo

66kW（90PS）at5200rpm,130Nm（95ft-lb^at3750rpminVWGolf（-05/05）

77kW（105PS）at6200rpm,131Nm（96ft-lb^at4250rpminVWLupoFSI

[edit]

140/170hp1.4TSI

戸1

Volkswagen1.4TSIengineexplodedview

Volkswagen1.4TSIengineoperationscheme

Announcedatthe2005FrankfurtAutoShowtobeusedintheGolfGT,The1.4lTwinchargerisa

TSIenginewithaturbochargerandasuperchargerincombination.Itsdownsizingleadstoeconomy,with14%morepowerthanthe2.0FSIbutconsumming5%lessfuel.Themechanicalcompressoroperatesatlowenginespeedsbelow2400rpmtoincreaselow-endpower,theturbochargerengagesatmiddlerevs,aclutchdisengagethesuperchargerwhichwillthenbebypassedoncetheturbochargerreachessufficientspeedtoprovideboostabove3500rpm.

Configuration

1390cm3straight-4

Head

four-valve,10:

1compressionratio

Block

greycastiron,bore*strokeratio76.5*75.6mm,120barpeakpressures

Fuel

FSIdirectpetrolinjectionupto150bar,high-pressureinjectionmultiple-holevalvewithsixfueloutletelements,injectoron

theintakesidebetw