Internal combustion engine

FIG. 1 is a front, left side perspectie view of a first embodiment of an internal combustion engine in accordance with my new design;

FIG. 2 is a front, right side perspective view of the first embodiment;

FIG. 3 is a rear, left side perspective view of the first embodiment;

FIG. 4 is a rear, right side perspective view of the first embodiment;

FIG. 5 is a front elevational view of the first embodiment;

FIG. 6 is a left side elevational view of the first embodiment;

FIG. 7 is a top view of the first embodiment;

FIG. 8 is a right side elevational view of the first embodiment;

FIG. 9 is a rear elevational view of the first embodiment;

FIG. 10 is a bottom view of the first embodiment;

FIG. 11 is a front, left side perspective view of a second embodiment of the internal combustion engine;

FIG. 12 is a front, right side perspective view of the second embodiment;

FIG. 13 is a rear, left side perspective view of the second embodiment;

FIG. 14 is a rear, right side perspective view of the second embodiment;

FIG. 15 is a front elevational view of the second embodiment;

FIG. 16 is a left side elevational view of the second embodiment;

FIG. 17 is a top view of the second embodiment;

FIG. 18 is a right side elevational view of the second embodiment;

FIG. 19 is a rear elevational view of the second embodiment;

FIG. 20 is a bottom view of the second embodiment;

FIG. 21 is a front, left side perspective view of a third embodiment of the internal combustion engine;

FIG. 22 is a front, right side perspective view of the third embodiment;

FIG. 23 is a rear, left side perspective view of the third embodiment;

FIG. 24 is a rear, right side perspective view of the third embodiment;

FIG. 25 is a front elevational view of the third embodiment;

FIG. 26 is a left side elevational view of the third embodiment;

FIG. 27 is a top view of the third embodiment;

FIG. 28 is a right side elevational view of the third embodiment;

FIG. 29 is a rear elevational view of the third embodiment;

FIG. 30 is a bottom view of the third embodiment;

FIG. 31 is a front, left side perspective view of a fourth embodiment of the internal combustion engine;

FIG. 32 is a front, right side perspective view of the fourth embodiment;

FIG. 33 is a rear, left side perspective view of the fourth embodiment;

FIG. 34 is a rear, right side perspective view of the fourth embodiment;

FIG. 35 is a front elevational view of the fourth embodiment;

FIG. 36 is a left side elevational view of the fourth embodiment;

FIG. 37 is a top view of the fourth embodiment;

FIG. 38 is a right side elevational view of the fourth embodiment;

FIG. 39 is a rear elevational view of the fourth embodiment;

FIG. 40 is a bottom view of the fourth embodiment;

FIG. 41 is a front, left side perspective view of a fifth embodiment of the internal combustion engine;

FIG. 42 is a front, right side perspective view of the fifth embodiment;

FIG. 43 is a rear, left side perspective view of the fifth embodiment;

FIG. 44 is a rear, right side perspective view of the fifth embodiment;

FIG. 45 is a front elevational view of the fifth embodiment;

FIG. 46 is a left side elevational view of the fifth embodiment;

FIG. 47 is a top view of the fifth embodiment;

FIG. 48 is a right side elevational view of the fifth embodiment;

FIG. 49 is a rear elevational view of the fifth embodiment; and,

FIG. 50 is a bottom view of the fifth embodiment.

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