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涡轮增压燃油分层喷射

涡轮增压燃油分层喷射(英语:Turbo Fuel Stratified Injection,简称:TFSI),是奥迪汽车建基于燃油分层喷射(FSI)技术上发展出来,将燃油加压后直接喷射进引擎内,藉以改进火花点火引擎输出的一套技术。[1]

第一代

2004年面世,是历代TFSI引擎的设计基础。

第二代

2007年推出,在第一代的设计上加入了Valvelift活瓣技术

第三代

2011年设计再度改良,将排气管放置引擎上方,有助加快引擎达到最理想工作温度。

第三代改良型

采用加以改良的米勒循环运作原理,在高负荷和低负荷的情况下,改变进气活瓣的开启时间,进一步提升引擎工作效率。

参考

  1. ^ 取消分层喷射功能的TSI引擎详解 互联网档案馆存档,存档日期2016-03-10.《中国引擎网》
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涡轮增压燃油分层喷射
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