Simultaneous Improvement of Fuel Consumption and Exhaust Emission by Using Multi-Cylinder Camless Engine

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  • 多気筒カムレスエンジンを用いた燃費・排出ガスの同時低減
  • タキトウ カムレスエンジン オ モチイタ ネンピ ハイシュツ ガス ノ ドウジ テイゲン

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Abstract

The Electro-Hydraulic Variable Valve Actuation (Camless) System, which is one of the key devices for further improvement of fuel consumption and exhaust emission, was being developed. In this study, multi-cylinder engine testing was conducted, which engine has geometric compression ratio of 20 and camless system, and test results are reported in this paper about improvement effect for fuel consumption and exhaust emission under steady-state and transient operation.

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