6档自动变速器和CVT对燃油经济性贡献-ZF.pdfVIP

2004 年 3 月 DR IV E SYST EM T ECHN IQU E M arch 2004 　 　　文章编号:(2004) 010110 6 档自动变速器和 CV T 对燃油经济性的贡献 - ′ Six Speed Automatic Tran sm ission s and CVT s to Support Fuel Econom y Z F Getriebe Gm bH , K ressbronn , Germ any 德国 Z F 公司　Gerha rd W ag ner [ 摘要] 改善燃油经济性和CO 2 排放水平是新型轿车开发工作中优先考虑的问题。新开发的6 档自动变速器 和CV T 将应用在车辆上。这些变速器可完全满足降低燃油消耗和排放的要求, 并在任何情况下都能提高驾 驶舒适性。将它们于 5 档后轮驱动和 4 档前轮驱动自动变速器相比, 即可发现新变速器系统的优越性。在 ( ) 的加速性提高了4- 10% 。 N EDC 新欧洲循环驾驶 试验中可节约 6- 8% 的燃油, 而 0- 60km [Abstract ]T he imp rovem ent in fuel econom y and in CO 2 em ission levels has a h igh p rio rity in the develop m ent w o rk of new passenger cars and new models. N ew ly developed 6speed autom atic transm issions and continuously variable transm issions (CV T ) w ill be available in veh icles in the near future. T hese transm is sions w ill fulfil the requirem ents to reduce fuel consump tion and em issions and w ill increase driving com fo rt . , . . 5 at the sam e tim e A comparison w ith the state of the art so lutions i e speed autom atic transm issions fo r rear w heel driven and 4speed autom atics fo r front w heel driven cars, show s the advantage of the new . transm ission system s T he new designs lead to a fuel consump tion reduction in the N ew European D riving ( ) 6 8%. 0 60 4 10%. Cycle N EDC of to In parallel there is an increase in acceleration from to mph of to 　　关键词: 自动变速器