Air compressor

FIG. 1 is a top-front perspective view of an air compressor showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a bottom-rear perspective view thereof.

The dashed broken lines in the figures illustrate portions of the air compressor that form no part of the claimed design.