Patent ID: 8227947

Claim:
An electric motor for use in hazardous environments, the electric motor comprising: a housing having a casing positioned between a head end cap and a tail end cap; an output shaft; a rotor attached relative to the output shaft and disposed within the housing; a stator at least partially surrounding the rotor and disposed within the housing, the stator including a plurality of axially-extending indentations; and a plurality of ties each extending between the head end cap and the tail end cap to hold the head end cap, tail end cap and casing together, the ties being positioned internally relative to the casing and configured to be at least partially recessed within respective ones of the indentations, wherein the ties each have a middle portion with a width measured transverse to a longitudinal axis of the motor and a thickness measured in an outwardly direction from the axis, the width being substantially greater than the thickness.