789262.fig.0031
Figure 31: Characteristic phases of “intelligent engine” with PM chamber: TDC: top dead centre of compressions; VO1: first opening of PM chamber valve; VC1: first closing of PM chamber valve; FI: fuel injection in PM chamber; VAP: fuel vaporization in PM chamber; VO2: second opening of PM chamber valve; VC2: second closing of PM chamber valve.