• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>European Automotive Congress >ZF-ECOLIFE - THE DEVELOPMENT OF A MODERN POWERSHIFT TRANSMISSION FOR CITY BUSES
【24h】

ZF-ECOLIFE - THE DEVELOPMENT OF A MODERN POWERSHIFT TRANSMISSION FOR CITY BUSES

机译：ZF-Ecolife - 开发城市公交车的现代电力传输

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Apart from the internal combustion engine and the axle system, the driveline of a road vehicle is primarily defined by the transmission. In today's city buses powershift automatic transmissions are predominantly used, especially due to their high level of comfort and easy operation. New challenges for transmission systems of today are originated by the improvements of the combustion engines, especially their increasing torque and coolant temperatures, which are driven by emission regulations. On the other hand, life cycle cost for the vehicle systems are getting more and more important and lead to technological challenges, e.g. higher reliability and better fuel consumption. In conjunction with overall requirements like optimum cost, comfort etc., this leads to a very complex spectrum of requirements. These demands are partly different for vehicle manufacturers and end users like line operators, respectively. As a consequence, we started the development of a new powershift transmission, which was aligned with long-term targets, strongly oriented on customer's demands, e.g. more comprehensive vehicle applications, reduced life cycle costs, and reduced application efforts required. After a general analysis with the QFD methodology (quality function deployment), the transmission type, a powershift transmission with torque converter, planetary gear set, and primary retarder was found to be the adequate solution to the multiple and diverging requirements. We developed a transmission system which offers specific and new solutions in all of its design and manufacturing details.
机译：除了内燃机和轴系统之外，公路车辆的传动系主要由传输定义。在今天的城市公交车中，PowerShift自动变速器主要是使用，特别是由于它们的高度舒适性和易于操作。目前的传输系统的新挑战源于燃烧发动机的改进，特别是它们的扭矩和冷却剂温度，这是由排放法规驱动的。另一方面，车辆系统的生命周期成本越来越重要，导致技术挑战，例如技术挑战。更高的可靠性和更好的燃料消耗。结合总体要求，如最佳成本，舒适度等，这导致了非常复杂的要求。对于车辆制造商和最终用户，这些需求分别可以分别部分不同。因此，我们开始开发一个新的动力传播，与长期目标一致，对客户需求强烈导向，例如，更全面的车辆应用，降低生命周期成本，并需要减少应用努力。通过QFD方法（质量函数部署）的一般分析，传输类型，具有变矩器，行星齿轮组和初级延迟器的动力传输，是对多重和发散要求的充分解决方案。我们开发了一种传输系统，可在其所有设计和制造细节中提供特定的和新的解决方案。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号