Patent ID: 6525439
Filing Date: 2003-02-25
Classification: H02K

Abstract:
An end plate assembly for an electric motor comprising:a motor housing end plate having at least one projection extending therefrom; a bearing received in said end plate; a disk having an aperture formed through the center thereof, said disk received in said end plate with said bearing positioned in said aperture, said disk having at least four electrical conductors formed thereon, a first, second and third one of said electrical conductors having one end terminating in said one projection for connection to a motor control system; a shaft rotatably mounted in said bearing; a commutator attached to said shaft; at least two motor brushes mounted in said end plate and in electrical contact with said commutator, one of said brushes being electrically connected to said first electrical conductor and another of said brushes being electrically connected to a fourth one of said electrical conductors; and an electronic switching device mounted on said disk, said electronic switching device having a control contact and a ground contact electrically connected to said second and third electrical conductors respectively and having a case contact electrically connected to said fourth electrical conductor for controlling a flow of electrical current through said commutator.