Harley-Davidson has filed a patent application for a variable valve timing (VVT) V-twin engine, possibly for the Sportster to improve economy and reduce emissions. The iconic American manufacturer has ...
JAPAN: BMW buys Aisin Seiki VVT technology Aisin Seiki has begun to supply variable valve timing systems (VVT) to BMW in Germany. Aisin Seiki started VVT component manufacture in 1998 and already ...
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 ...
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