变速器电力转动系统的更新外文文献翻译、中英文翻译、外文翻译.pdfVIP

变速器电力转动系统的更新外文文献翻译、中英文翻译、外文翻译--第1页

英文原文：

Transmission/drivelinesystemsupdate

Torqueconverterwithlock-upclutchBorg-WarnerAutomotivehasdeveloped

anewtorqueconverter,thePowerFlow250mm.Itisbuilttoaccommodate

new-generationhighspeedautomotiveengines.Powertrainefficiencyis

enhancedbyalockingclutchfeature;thismaximizesdurabilitywhile

reducingaxlelength.Maximuminputtorquesof110-340Nmarecateredfor,

withtorqueratiosof1.6-2.7andoperatingspeedsupto7500rev/min.

Operatinginputoiltemperatureof120ºCapplies,atpressuresof3.9-9.5

bar,whilelock-upclutchpressuresare5.6bar(min)and8.4bar(max)at

WOT.

Circle192

Electricdrivesystem

Steyr-Daimler-Puchareworkingonthedevelopmentofanelectricdrive

forpassengercarsandLCVs.Thecompleteelectricdriveunitconsists

ofanelectricmotor,transmissionandelectriccontrolincludingbattery

chargingcircuitry.Thecostofthiscompletepackagewillbeaboutthe

sameasthecostofthedriveunitwithacombustionenginewhichisto

bereplaced.

Objectivesforfurtheroptimizationofthesystem,developedforthe

FiatPandaElettra,are:costreductionthroughintegrationofmotor,

electroniccharger,DC-DCconverter/readout—withassociatedweight

reduction;adapationofthevehicletoenableproblem-freeinstallation

oftheelectricunitdirectlyontheassemblylinesasareplacementfor

thestandardseriescombustionengine.Aseparatechargingfunction.The

systemcomprisesDCmotor(three-phaseACmotorplannedinfuture)of

nomina,voltage100V,25KW(80Nmtorque)withaspeedrange:0-8000

rev/min(limitedto7200electronically