The ornamental design for a fanassembly, as shown and described.
FIG. 1 is top perspective view of a fan assembly showing my new design;
FIG. 2 is a front elevational view showing the design for the fan assembly of FIG. 1;
FIG. 3 is a rear elevational view showing the design for the fan assembly of FIG. 1;
FIG. 4 is a left side elevational view showing the design for the fan assembly of FIG. 1;
FIG. 5 is a right side elevational view showing the design for the fan assembly of FIG. 1;
FIG. 6 is a bottom plan view showing the design for the fan assembly of FIG. 1; and,
FIG. 7 is a top plan view showing the design for the fan assembly of FIG. 1.
The broken line showing of portions of the fan assembly is included for the purpose of illustrating environmental structure and forms no part of the claimed design.