| 摘要 |
<p>A control device for valves for internal combustion engines (10) in which the two groups (11) of valves, one for intake (10) and one for exhaust (11) are controlled each by a camshaft (15, 17) and in which said camshaft (15, 17) directly controls through an interposed guide socket (14, 18) the homologous valves aligned thereunder and, through a "finger" rocker arm (20), those outside said alignment. Said valves (10, 11) (both intake and exhaust) are advantageously arranged equidistant from the centre of the combustion chamber and with the axes of the homologous valves parallel. The cams (24) of said camshafts (17) which control said "finger" rocker arms (20) have a lift reduced by one rho as compared with the cams (19) which directly control the remaining valves while the transmission ratio of said "finger" rocker arms (20) is 1/rho so as to cause all the homologous valves to open and close in unison and with the same amplitude of movement.</p> |
