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US 2025/0030290 A1Published application
Rotor for an external rotor motor and method of manufacturing a rotor for an external rotor motor
OwnerSilvio Kochinventor
Life of this patent
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Abstract
A rotor for an external rotor motor is described, with an annular stack of sheets made of steel, permanent magnets which are fastened to an inner side of the stack of sheets, and a carrier which has a hub for a shaft and is fastened to the stack of sheets. Brackets are arranged on an outer side of the stack of sheets and press the stack of sheets against the carrier in the axial direction. In addition, a method for manufacturing a rotor for an external rotor motor is disclosed.
Claims14
A rotor for an external rotor motor, comprising
- a ring-shaped stack of steel sheets,
- permanent magnets fixed to an inner side of the stack of sheets, and
- a carrier, which has a hub for a shaft and is fastened to the stack of sheets,
- wherein brackets are arranged on an outer side of the stack of sheets and press the stack of sheets against the carrier in the axial direction.
1 more element
A method of manufacturing a rotor for an external rotor motor, comprising the following steps:
- cutting rings from sheet steel,
- arranging the rings to form a stack of sheets, and
- manufacturing a carrier which has a hub for a shaft,
- wherein the stack of sheets is fastened to the carrier by means of brackets which rest on a radial outer side of the stack of sheets.
1 more element
Dependencies are inferred from the claim text.