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US 2016/0241089 A1Published application
Multi material rotor core
AssigneeGM Global Technology Operations LLC
InventorsMURALI PANDI, LEI HAO
Life of this patent
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Abstract
The disclosure may generally relate to a motor which may include a rotor core which may include a first rotor lamination portion and a second rotor lamination portion. At least one magnet may be operably coupled to the first rotor lamination. The first rotor lamination may be in contact with the at least one magnet and the second rotor lamination may not be in contact with the at least one magnet. Additionally, the first rotor lamination and the second rotor lamination may be comprised of different materials.
Claims20
A motor comprising:
- a rotor core comprising a first rotor lamination portion and a second rotor lamination portion, wherein the rotor lamination includes at least one of a bridge or a web;
- at least one magnet operably coupled to the rotor lamination;
- wherein the first rotor lamination portion is in contact with the at least one magnet and the second rotor lamination portion is not in contact with the at least one magnet and none of the bridge or web support the at least one magnet.
A product comprising:
- a rotor lamination comprising:
- an annular portion which includes an annular opening in its center,
- a plurality magnets disposed in the annular portion;
- a linear first rotor lamination portion and a linear second rotor lamination portion disposed adjacent to the plurality of magnets, wherein the first rotor lamination portion is in direct contact with the at least one magnet and the second rotor lamination portion is not in direct contact with the at least one magnet.
1 more element
A motor system comprising:
- at least one rotor core;
- at least one magnet disposed in the rotor core;
- a first rotor lamination portion and a second rotor lamination portion wherein the first rotor lamination portion is in contact with the at least one magnet and the second rotor lamination portion is not in contact with the at least one magnet.
Dependencies are inferred from the claim text.