789262.fig.0019
Figure 19: Method of mixture preparation in engines with porous element [48]: 1-piston; 2-cylinder; 3-exhaust valve; 4-valve seat; 5-exhaust port; 6-combustion chamber; 7-porous material; 8-additional valve; 9-valve seat; 10-spring; 11-inlet port; 12-valve seat; 13-inlet valve; 14-chamber with porous structure; TO- TDC; TU-BDC.