The ornamental design for a linearmotor, as shown and described.
FIG. 1 is a perspective view of the ornamental design for the linear motor;
FIG. 2 is a right side view of the linear motor of FIG. 1;
FIG. 3 is a left side view of the linear motor of FIG. 1;
FIG. 4 is a top view of the linear motor of FIG. 1;
FIG. 5 is a bottom view of the linear motor of FIG. 1;
FIG. 6 is a front view of the linear motor of FIG. 1; and,
FIG. 7 is a rear view of the linear motor of FIG. 1.
In these drawings, the solid lines illustrate the claimed ornamental design, whereas the broken lines illustrate environmental features that form no part of the claimed ornamental design.