Motor having a two-piece end ring

A power tool is provided including a housing and an electric motor disposed in the housing. The motor includes a stator having a lamination stack having separately-formed pole pieces and field coils disposed on the pole pieces, and an armature disposed in the stator. An end ring is disposed at an en...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Nace, Daniel F, Oktavec, Craig A, Kusmierski, Robert G, Smith, David J
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
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Beschreibung
Zusammenfassung:A power tool is provided including a housing and an electric motor disposed in the housing. The motor includes a stator having a lamination stack having separately-formed pole pieces and field coils disposed on the pole pieces, and an armature disposed in the stator. An end ring is disposed at an end of the lamination stack, the end ring including at least two ring pieces mated together around a portion of the field coils extending beyond pole tips of the pole pieces.