The Mitchell mechanical Variable Valve Timing (VVT) system is described. The way in which it exploits variable angular velocity to change valve timing is explained. The system was used in a programme ...

We’ve just heard that Piaggio Group, parent company to Aprilia, is working on a mechanical variable valve timing (VVT) system – and the first to reap the benefits of the tech will be none other than ...

Variable Valve Timing-Intelligence, or VVT-i, is a variable valve-timing system developed by Toyota that debuted in the 1990s. VVT-i uses input from sensors and driving conditions to improve engine ...

In order to set a stage for what follows, let's first revisit some of the fundamentals involved in how valve timing relates to power output. And to further clarify how "power" is defined in the ...

内燃機関が進化を果たす過程で、いろいろなメカニズムが誕生してきた そのひとつに可変バルブ機構がある メカニズムや搭載車について解説する 日本メーカーで初めて挑戦したのは三菱！ 内燃機関（とくにガソリンエンジン）が進化を果たす過程で ...

Not too long ago, we reported on the news that Indian Motorcycle had a new liquid-cooled engine in the works. That engine was suspected to be the same one that appeared under the Victory name a few ...

LONDON--(BUSINESS WIRE)--Technavio’s latest report on the global automotive dual variable valve timing (VVT) market provides an analysis on the most important trends expected to impact the market ...

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 ...