Gm Global Technolgoy Operations, Inc.

Rodney C Malone

Frederick W Rhoads

John A Diemer

Douglas Martin Linn

John D Campbell

Yew Sum Leong

Mithun Sunny

Dan J Martin

Vanessa Dongmo Kenfack

A method of forming a balancing scallop within a rotating part, including inspecting the rotating part for imbalance, calculating dimensions of the balancing scallop to be formed within the rotating part, positioning the rotating part relative to a material removal machine, starting the tool removal machine, bringing the rotating part and a tool of the material removal machine into engagement, forming a first section of the balancing scallop, forming a second section of the balancing scallop, forming a third section of the balancing scallop, and dis-engaging the rotating part and the tool of the material removal machine.

Part balancing

A slot flaring apparatus is presented herein. The slot flaring apparatus includes a base and flaring tool. The base is configured to receive and secure a stator that has a plurality of core slots. The flaring tool is configured to be controllably pressed against the stator and has a plurality of flaring teeth. Moreover, each tooth of the plurality of flaring teeth is configured to insert into and form a respective slot liner which has been inserted into the corresponding core slot.

Slot liner forming apparatus and system

An electric motor for a hybrid or electric vehicle drive unit includes a housing with a stator fixed within the housing and including a plurality of end windings. A rotor is disposed within the housing and connected to a drive shaft. An isolating ring is disposed within the housing between the end windings and the housing.

Isolation ring for electric motor end windings

Growing community of inventors

Clarkston, MI, United States of America

Rodney C Malone