Olivier Vogel

An Initial Study of Variable Valve Timing Implemented with a Secondary Valve in the Intake Runner

Lino Guzzella, Olivier Vogel, Kimon Roussopoulos, 1996 .

Variable Valve Timing Implemented with a Secondary Valve on a Four Cylinder SI Engine

Lino Guzzella, Olivier Vogel, Kimon Roussopoulos, 1997 .