I claim the ornamental design for a ceiling fan motor housing, as shown and described.
FIG. 1 is a front perspective view of a ceiling fan motor housing showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof.
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a front end view of the ceiling fan motor housing in accordance with my design, shown in its environment.
The broken line showing of the ceiling fan blades, blade irons and light fixture is included for the purpose of illustrating environmental structure and forms no part of the claimed design.