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Port-injection Engine-control System for Environmental Protection |
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AUTHORS |
| Masami Nagano |
Control System Design Dept., Engine Management System Div., Automotive Systems, Hitachi, Ltd. |
| Satoru Watanabe |
Engine System Design Dept., EMS Div., 1st Business Management Div., Hitachi, Ltd. |
| Yoshihiro Sukegawa |
Third Systems Research Dept., Hitachi Research Lab., Hitachi, Ltd. |
| Kiyoshi Amou |
Automotive System Project, Mechanical Engineering Research Lab., Hitachi, Ltd. |
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OVERVIEW |
Over recent years, problems such as global warming, atmospheric pollution, and natural-resource depletion have become ever more obvious.
In accordance with these circumstances, the vehicle industry is having to deal with the tightening of emission and fuel-consumption regulations around the whole world.
Aiming to meet these emission and fuel-consumption regulations while contributing to the evolution of the vehicle-oriented society and offering various solutions to vehicle manufacturers, Hitachi Group has applied its collective strength in developing and commercializing a port-injection engine control system.
This system —which ensures crisp driveability—uses various kinds of sensors and actuators in its cutting-edge main components, namely, an air-flow sensor and injector, a variable-valve-control system, and a control unit.
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TO READ THIS ARTICLE |
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RELEVANT SITES |
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KEYWORDS |
port-injection engine control system, multi-point injection, cold start device, valve timing control, super ultra low emission vehicle
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