FIG. 1 is a perspective view of a displacer showing our design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a back elevational view thereof;
FIG. 6 is a side elevational view of the right side thereof; and,
FIG. 7 is a side elevational view of the left side thereof.
The portions of the design shown in broken lines in FIGS. 1, 2 and 3 are three openings that form no part of the claimed design.