Rotor structure of an axial gap rotating electrical device
AssigneeNissan Motor Co., Ltd.
InventorTakashi Kato
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Abstract
The disclosure is directed to an axial gap rotating electrical device for generating electricity. Permanent magnets includes within the rotor are held into place by curved members that are capable of securing the magnets even under increased rotational speed. The axial gap rotating electrical device comprises a rotor comprising a permanent magnet and a stator comprising a stator core and a stator coil, wherein the rotor and the stator are placed in an axial direction, the rotor comprises a round member formed by several radial rotor components, and the rotor components include the permanent magnet facing the stator core with the permanent magnet outer surface radially enveloped by a high-strength member.
Claims20
An axial gap rotating electrical device comprising:
- a rotor having a permanent magnet and including a round member formed by several radial rotor components;
- and
- a stator having a stator core and a stator coil,
- wherein the rotor and the stator are oriented in an axial direction, and the rotor components include the permanent magnet facing the stator core with an outer surface of the permanent magnet radially enveloped by a high-strength member.
A method comprising:
- forming a round member of a rotor with a plurality of radial rotor components, wherein the rotor includes a permanent magnet and the radial rotor components include a high-strength member that radially envelops the permanent magnet;
- and
- rotating the rotor magnet produce electricity.
An axial gap rotating electrical device comprising:
- means for rotating a permanent magnet with respect to a stator;
- and
- means for securing the permanent magnet radially during the permanent magnet rotation.
Dependencies are inferred from the claim text.