INTERNAL COMBUSTION ENGINE VALVE GEAR Russian patent published in 2009 - IPC F01L7/02 

FIELD: engines and pumps.

SUBSTANCE: internal combustion engine valve gear comprises cam shaft coupled, via bevel pinions, with cylindrical valve (s) that features inner bore and opening on its face surface. Valve with bushes is fitted in cylinder head bottom. Valve face surface is correlated with combustion chamber top wall in compliance with engine working cycle. Combustion chamber top wall features two openings representing one fourth of circle area, each making 1/4 of valve face surface.

EFFECT: simplified design.

6 dwg