Propeller Fan

FIG. 1 is a front, top, right side perspective view of a propeller fan according to the first embodiment, showing our new design; FIG. 2 is a rear, top, left side perspective view thereof; FIG. 3 is a front view thereof; FIG. 4 is a rear view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof; FIG. 7 is a top view thereof; FIG. 8 is a bottom view thereof; FIG. 9 is a front, top, right side perspective view of a propeller fan according to the second embodiment, showing our new design; FIG. 10 is a rear, top, left side perspective view thereof; FIG. 11 is a front view thereof; FIG. 12 is a rear view thereof; FIG. 13 is a left side view thereof; FIG. 14 is a right side view thereof; FIG. 15 is a top view thereof; and, FIG. 16 is a bottom view thereof. The broken lines in the drawings are for the purpose of illustrating portions of the propeller fan that form no part of the claimed design. The dot-dashed lines which define the bounds of the claimed design form no part of the claimed design.