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US 8,008,832 B2Granted
Electric motor and method for manufacturing an electric motor
AssigneeSew-Eurodrive GmbH & Co. KG
InventorStephan Rhode
Life of this patent
Estimating the term…
Abstract
An electric motor, includes a stator, which is composed at least of stamp-packed tooth segments, the tooth segments being able to be slid together radially in the manufacture and being able to be held together by retaining elements slid on axially.
Claims16
An electric motor, comprising:
- a stator including stamp-packed tooth segments, which are slid together radially;
- and
- retaining element slid axially onto the tooth segments and holding together the tooth segments;
- wherein the tooth segments have groove and tongue for a form-locking interconnection in a circumferential direction;
- and
- wherein insulating paper surrounds windings of individual tooth segments.
3 more elements
A method for manufacturing an electric motor including a stator having stamp-packed tooth segments, comprising:
- radially sliding together the tooth segments;
- and
- subsequently axially sliding retaining elements onto the tooth segments to hold together the tooth segments;
- wherein the tooth segments have groove and tongue for a form-locking interconnection in a circumferential direction;
- and
- wherein insulating paper surrounds windings of individual tooth segments.
3 more elements
Dependencies are inferred from the claim text.