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US 12,587,051 B2Granted
Permanent-magnet rotor resistant to thermal expansion and method of manufacture thereof
AssigneeSkf Magnetic Mechatronics
InventorsEduardo Carrasco, Ramdane Lateb, Julien Vauby, Eddy Herisse
Life of this patent
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Abstract
A rotor includes an assembly hub intended to be fixed to a shaft, a plurality of permanent magnets which are supported by the assembly hub, and a binding band holding the plurality of permanent magnets in place. The binding band includes crossed windings of reinforcing fibers arranged around the plurality of permanent magnets. Preferably, the rotor further includes a retaining sleeve formed of a unidirectional winding of a reinforcing fiber arranged around the binding band.
Claims10
A rotor comprising:
- an assembly hub configured to be fixed to a shaft;
- a plurality of permanent magnets supported by the assembly hub;
- a binding band configured to retain the plurality of permanent magnets on the assembly hub, the binding band including crossed windings of reinforcing fibers arranged around the plurality of permanent magnets;
- and
- a retaining sleeve including a unidirectional winding of a reinforcing fiber disposed around the binding band.
2 more elements
Dependencies are inferred from the claim text.