Patent ID: 6822354
Filing Date: 2004-11-23
Classification: H02K

Abstract:
An electric motor comprising:an armature including an armature winding and a commutator connected to the armature winding; a stator disposed to magnetically interact with the armature; a plurality of brushes disposed to engage with the commutator to controllably provide electric current to the armature winding via the commutator; an inductor electrically connected in a series relationship with at least one of the plurality of brushes; a thermal cutoff device electrically connected in a series relationship with the inductor and the at least one of the plurality of brushes, the thermal cutoff device being disposed within at least a portion of the inductor; and wherein the inductor is a wire wound inductor having a hollow chamber, and wherein the thermal cutoff device is disposed within at least a portion of the hollow chamber.