Electric machine torque key wedges

A stator system for an electric vehicle motor may include a stator having a torque key extending axially from a first stator end, a case configured to surround the stator and defining a case opening to receive the torque key, the case defining a keyway between the torque key and the case opening, a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Heuver, Bradley Ronald
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A stator system for an electric vehicle motor may include a stator having a torque key extending axially from a first stator end, a case configured to surround the stator and defining a case opening to receive the torque key, the case defining a keyway between the torque key and the case opening, a torque key mechanism arranged within the keyway, wherein the torque key mechanism includes a pair of reciprocally aligned wedges defining a channel through at least one of the wedges, and a bolt insertable at the channel and configured to engage the channel to move at least one wedge and create an interference fit of the torque key mechanism within the keyway to attach the stator to the case.