Patent ID: 7649289

Claim:
A casing of a water-repellent motor assembly mountable in a rotisserie, comprising: an outer shroud, including a plurality of first openings formed on the outer shroud, and a plurality of elongated projecting plates each protruded from the outer surface of the outer shroud at a position above a corresponding first opening and bent downwardly for concealing the corresponding first opening; and an inner shroud with the motor assembly mounted therein being mounted in the outer shroud and including at least one recess on the outer surface of the inner shroud for defining a space between the recess and the outer shroud, a plurality of raised members formed on the recess facing the outer shroud and projected from the recess out to a space corresponding to the first opening, and a plurality of second openings each formed on a projecting portion of the raised member; wherein hot air generated by the motor assembly in the inner shroud is able to pass through the second openings and the first openings and flow to the outside of the outer shroud, and cold air outside the outer shroud is also able to be introduced into the inner shroud by passing through the first openings and the second openings, and wherein each of the raised members projected from the recess corresponds to a position between any two adjacent projecting plates of the outer shroud.