欢迎访问《汽车安全与节能学报》，
汽车安全与节能学报

JASE ›› 2018, Vol. 9 ›› Issue (3): 333-338.DOI: 10.3969/j.issn.1674-8484.2018.03.013

• 汽车节能与环保 • 上一篇    下一篇

车用三缸1.0 L 增压直喷汽油发动机的研发

杨 陈，尹建东，沈 源，王瑞平   

  1. （吉利动力总成研究院，宁波315336，中国）
  • 收稿日期:2018-07-18 出版日期:2018-09-30 发布日期:2018-10-08
  • 作者简介:杨陈 (1983—)，男( 汉)，江苏，高级工程师。E-mail: yangchen@geely.com。

Development of a 3-cylinder 1.0-L turbocharged gasoline direct injection engine

YANG Chen, YIN Jiandong, SHEN Yuan, WANG Ruiping   

  1. (Geely Powertrain Research Institute, Ningbo 315336, China)
  • Received:2018-07-18 Online:2018-09-30 Published:2018-10-08

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摘要：

       为满足传统及新能源汽车的应用需要，自主研究开发了一款三缸1.0 L 增压直喷汽油机。该发动机采用了顶置高压直喷、涡轮增压、进排气可变正时（DVVT）、集成排气歧管、可变排量机油泵等先进技术；同时，为获得优秀的振动、噪声、舒适性（NVH）的性能，对发动机本体进行了多项优化。结果表明：该发动机由于高效燃烧系统、低摩擦设计及智能热管理系统而获得出色的燃油经济性，最低油耗率 230 g/kWh ；该三缸发动机的NVH 性能可以达到四缸机的水平。

关键词: 汽油机, 高压直喷, 涡轮增压, 燃烧系统, 低摩擦

Abstract:

Geely developed a completely new 3-cylinder 1.0 L turbocharged gasoline direct injection engine to fulfill the applications for both conventional and new energy vehicles. This engine incorporated several advanced technologies, such as top-mounted high pressure injector, turbocharger, dual variable valve timing (DVVT),
integrated exhaust manifold, variable oil pump. The results show that the combination of efficient combustion system, low friction design and innovative thermal management realizes the outstanding fuel economy, and the minimum brake specific fuel consumption is 230 g/(kWh) in the entire map. The base engine is intensively refined to achieve excellent NVH (noise, vibration and harshness) performance, eventually measurements show that this 3-cylinder engine can realize similar NVH performance as 4-cylinder inline engine.

Key words: gasoline engine, high pressure direct injection, turbocharging, combustion system, low friction