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日本本田公司是使用变凸轮的可变气门技术的先锋，在80年代末发表了他著名的VTEC (Valve Timing Electronic Control=电子控制气门正时技术)。首先配置在Civic、CRX和NS-X上，随后渐渐地成为了多数车型的标准配置。 在图中我们可以看到有两组有着不同形状的凸轮，用以达到不同的 ...

The heart of most vehicles today, the internal combustion engine has advanced significantly over its century long history. This series outlines some of the key innovations in engine technology before ...

In last month's article we saw t it would be highly desirable to make an engine's valve timing adjustable by automatic control to achieve strong torque at both low and high revs. This is easier said ...

Alanson Partridge Brush. Remember that name. Because it was according to his patents that Cadillac put into production something that Honda and Alfa Romeo took decades to match. Mr. Brush's invention?

Brian Cooley is CNET's Editor at large and has been with the brand since 1995. He currently focuses on electrification of vehicles but also follows the big trends in smart home, digital healthcare, 5G ...

VVT has turned out to be one the most popular systems with carmakers and users alikernAn internal combustion engine uses valves for intake and exhaust In the current automobile scenario where there ...

After two-wheeler brands Ducati, Yamaha and BMW, Honda is preparing to introduce Variable Valve Timing technology to its motorcycles. In fact, the patents for an engine featuring the Variable Valve ...

Honda expects its new Advanced VTEC system to hit production vehicles in 2009First it was VTEC. Then it was i-VTEC. Now there's Advanced VTEC, Honda's latest engine development. Promising to improve ...