Rotor and method for manufacturing a rotor for an external rotor motor
OwnerSilvio Koch, Daniel Knopp +2inventors
InventorsSilvio Koch, Daniel Knopp, Amir Rohi, Nuno Miguel Ribeiro de Sousa Sarafana
Life of this patent
Estimating the term…
Abstract
A rotor for an external rotor motor, including an annular stack of steel sheets welded together, permanent magnets attached to an inner side of the stack, and a carrier into which the stack is inserted. A gap between an outer surface of the stack and an inner surface of the carrier contains a filling material. In addition, a method for manufacturing such a rotor is disclosed.
Claims11
A rotor for an external rotor motor, comprising:
- an annular stack of steel sheets welded together,
- permanent magnets attached to an inner side of the stack, and
- a carrier in which the stack is inserted,
- wherein a gap between an outer surface of the stack and an inner surface of the carrier contains a filling material.
A rotor for an external rotor motor, comprising:
- an annular stack of steel sheets welded together,
- permanent magnets attached to an inner side of the stack, and
- a carrier in which the stack is inserted,
- wherein a gap between an outer surface of the stack and an inner surface of the carrier contains a filling material, and
- the carrier has a filling opening extending in the radial direction for pouring in filling material.
A method of manufacturing a rotor for an external rotor motor, comprising the following steps:
- producing an annular stack from steel sheets,
- welding the steel sheets of the stack together,
- inserting the stack into a carrier, and
- filling a gap between an outer surface of the stack and an inner surface of the carrier through a filling opening of the carrier with filling material.
Dependencies are inferred from the claim text.