Fine control device for gas exchange in internal combustion engine has drive and revs control using rotary valve to force rapid phase changes and synchronizing jumps

摘要

The fine control device is for an engine with valve control and has a rotary valve in the gas path, synchronized with the working play of the engine. It also has a drive and a revs control, using the rotary valve to force rapid phase changes and synchronizing jumps, with regulating time in the time region of two crankshaft revolutions.