An electrically operated EGR valve that reduces automotive emissions

Toshihiko Miyake; Hidetoshi Okada

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An electrically operated EGR valve that reduces automotive emissions

机译：电动EGR阀可减少汽车排放

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Automotive exhaust emission regulations are growing stricter in parallel with demands for greater fuel economy. The exhaust-gas recirculation (EGR) valve is one technology used to reduce the emissions of automotive engines. The authors developedEGR valves in which an electronically controlled stepper motor replaces the conventional vacuum-driven mechanism. The stepper motor system offers more accurate control over a wider range of engine operating conditions than a vacuum system, reducingemissions and improving fuel economy.

机译：随着对更高燃油经济性的要求，汽车尾气排放法规也越来越严格。排气再循环（EGR）阀是一种用于减少汽车发动机排放的技术。作者开发了EGR阀，其中电控步进电机取代了传统的真空驱动机构。与真空系统相比，步进电机系统在更广泛的发动机工况范围内提供了更精确的控制，从而减少了排放并提高了燃油经济性。

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《Mitsubishi Electric Advance》 |1999年第9期|共5页
作者
Toshihiko Miyake; Hidetoshi Okada;
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1. An electrically operated EGR valve that reduces automotive emissions [J] . Toshihiko Miyake, Hidetoshi Okada Mitsubishi Electric Advance . 1999,第9期

机译：电动EGR阀可减少汽车排放
2. A fundamental study on the control of the HCCI combustion and emissions by fuel design concept combined with controllable EGR. Part 2. Effect of operating conditions and EGR on HCCI combustion [J] . X.-C. Lu, W. Chen, Z. Huang Fuel . 2005,第9期

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An electrically operated EGR valve that reduces automotive emissions

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