Rotor for an Electric Motor, Electric Motor, and Method for Producing a Rotor
AssigneeNeumayer Tekfor Engineering GmbH
InventorMartin LEHMANN
Life of this patent
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Abstract
A rotor for an electric motor includes a shaft having a central portion supporting a laminated core of an electrical sheet material. The central portion is also composed of an electrical sheet material. The ends of the rotor shaft may be formed from a different material than the material of the central portion, and may be connected to the central portion by a force-fitting interference fit and/or a knurled interference fit. An electric motor having such a rotor and a method for producing a such a rotor are provided.
Claims13
1-5. (canceled)
A rotor for an electric motor, comprising:
- a shaft;
- and
- a laminated core supported on the shaft,
- wherein
- the laminated core is formed from a first electrical sheet material, and
- a central portion of the shaft which supports the laminated core is formed from a second electrical sheet material.
An electric motor, comprising:
- a rotor having a shaft and a laminated core supported on the shaft,
- wherein
- the laminated core is formed from a first electrical sheet material, and
- a central portion of the shaft which supports the laminated core is formed from a second electrical sheet material.
A method for producing a rotor for an electric motor, comprising the steps of:
- forming a laminated core at least in part from a first electrical sheet material;
- forming at least a central portion of a shaft at least in part from a second electrical sheet material;
- and
- locating the laminated core on the shaft.
Dependencies are inferred from the claim text.