FIG. 1 is a perspective view from above, front and one side of a cleaning appliance showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a side view of the opposite side of FIG. 4;

FIG. 6 is a front view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is an enlarged perspective view from above, rear and one side; and,

FIG. 9 is an enlarged perspective view from above, front and one side.

The details shown in broken lines form no part of the claimed design.