Cooling Fan

FIG. 1 is a front perspective view of a first embodiment of a cooling fan, showing my new design; FIG. 2 is a rear perspective view of the cooling fan of FIG. 1 ; FIG. 3 is a front view of the cooling fan of FIG. 1 ; FIG. 4 is a rear view of the cooling fan of FIG. 1 ; FIG. 5 is a left side view of the cooling fan of FIG. 1 ; FIG. 6 is a right side view of the cooling fan of FIG. 1 ; FIG. 7 is a top view of the cooling fan of FIG. 1 ; FIG. 8 is a bottom view of the cooling fan of FIG. 1 ; FIG. 9 is a front perspective view of a second embodiment of a cooling fan; FIG. 10 is a rear perspective view of the cooling fan of FIG. 9 ; FIG. 11 is a front view of the cooling fan of FIG. 9 ; FIG. 12 is a rear view of the cooling fan of FIG. 9 ; FIG. 13 is a left side view of the cooling fan of FIG. 9 ; FIG. 14 is a right side view of the cooling fan of FIG. 9 ; FIG. 15 is a top view of the cooling fan of FIG. 9 ; and, FIG. 16 is a bottom view of the cooling fan of FIG. 9 . The broken lines in the drawings illustrate the portions of the cooling fan, which form no part of the claimed design.