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A Breakthrough in Transmission Technology for Hybrid Vehicles, Combining Low Cost, Compact Size and Dual Mode Functionality

机译：低成本，紧凑型尺寸和双模式功能相结合的混合动力汽车传动技术的突破

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摘要

The worldwide market for automotive powertrains has for many years been tied to a conventional gasoline/diesel engine coupled to either a manual or automatic transmission. These have been developed to a point where efficiency gains (necessary to improve overall vehicle fuel economy) have become ever harder to realize due to the maturity of the product.In 2001, Toyota introduced the Prius I, debuting their "Toyota Hybrid System", a hybrid transmission consisting of a gearbox coupled to two electric motors. This transmission, combined with high power electronics and a high voltage battery, permitted a jump in overall vehicle efficiency. The transmission evolved into the "Hybrid Synergy Drive" in Prius II, and has since found application on a number of SUV and large executive platforms.The Zytek Group of companies have been developing prototype and production electric and hybrid electric vehicles for over 10 years, counting over 12 projects either completed to date or ongoing. An internal review of hybrid technology resulted in a concept design of hybrid transmission, which, if realized, would produce the next jump forward in automotive powertrain efficiency. A grant funding under the UK Government's Ultra Low Carbon Car Challenge permitted this, and has resulted a completely new design of automotive hybrid powertrain that combines high functionality and overall system efficiency with a compact size and low unit cost.The powertrain has been fitted to B/C segment vehicle, and tested using conventional automotive procedures, resulting in an overall fuel economy of 3.2 l/100km, or 85g/km CO_2. If commercialized, this would represent the most fuel efficient vehicle on sale today.
机译：多年来，全球汽车动力总成市场一直与传统的汽油/柴油发动机相连，后者与手动或自动变速器相连。由于产品的成熟性，这些技术的发展使得效率提高（提高整体车辆燃油经济性所必需的）变得越来越难以实现。2001年，丰田推出了Prius I，首次推出了他们的“丰田混合动力系统”，一种混合动力变速器，由与两个电动机相连的变速箱组成。这种变速箱与大功率电子设备和高压电池相结合，使整体车辆效率得到了提高。该变速箱在Prius II中演变为“ Hybrid Synergy Drive”，此后已在许多SUV和大型执行平台上得到应用。Zytek集团公司已开发原型和生产电动和混合动力电动汽车已有10多年的历史，计算超过12个迄今已完成或正在进行中的项目。对混合动力技术的内部审查得出了混合动力变速箱的概念设计，如果得以实现，它将在汽车动力总成效率方面产生下一个飞跃。英国政府的``超低碳汽车挑战赛''（Ultra Low Carbon Car Challenge）提供了一笔赠款，从而实现了一种全新的汽车混合动力总成设计，将高功能性和整体系统效率与紧凑的尺寸和较低的单位成本相结合。 / C分段汽车，并使用常规汽车程序进行了测试，因此总体燃油经济性为3.2 l / 100km，即85 g / km CO_2。如果商业化，它将代表当今最省油的车辆。

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  • 来源
    《》|2007年|P.158-168|共11页
  • 会议地点 Berlin(DE)
  • 作者

    Neil Cheeseman;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 电力机车;
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