Internal combustion engine

FIG. 1 is a rear, right side perspective view of an internal combustion engine in accordance with our new design;

FIG. 2 is a front, left side perspective of the internal combustion engine of FIG. 1 ;

FIG. 3 is a rear, left side perspective view of the internal combustion engine of FIG. 1 ;

FIG. 4 is a front elevational view of the internal combustion engine of FIG. 1 ;

FIG. 5 is a right side elevational view of the internal combustion engine of FIG. 1 ;

FIG. 6 is a top view of the internal combustion engine of FIG. 1 ;

FIG. 7 is a left side elevational view of the internal combustion engine of FIG. 1 ;

FIG. 8 is a rear elevational view of the internal combustion engine of FIG. 1 ; and,

FIG. 9 is a cross-sectional view of the internal combustion engine of FIG. 4 taken along the line B-B of FIG. 4 .

The broken lines in the figures are for illustrative purposes only and form no part of the claimed design.