VVT-Intelligent Wide (VVT-iW) Valve Mechanism

Atkinson cycle using the center-spooled variable valve timing with mid-position lock system (VVT-iW), and intensified in-cylinder turbulence to achieve high-speed combustion.
Overview of VVT-iW
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8AR-FTS – Dual VVT-iW
Center-spooled variable valve timing with mid-position lock system (VVT-iW)

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