Rotor having fixing protrusions provided asymmetrically based on shaft key
AssigneesHyundai Motor Company, Kia Motors Corporation
InventorsKyung Soo PARK, Jung Woo Lee
Life of this patent
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Abstract
A rotor applied to a driving motor may include a plurality of rotor cores configured to define a plurality of slots, into which permanent magnets are inserted, wherein each of the rotor cores includes a first zone and a second zone different from each other in terms of positions at which fixing protrusions configured to fix the permanent magnets are provided in the slots, and the rotor cores are stacked such that the first zones of some of the rotor cores overlap the second zones of some of the rotor cores.
Claims17
A rotor applied to a driving motor and including a plurality of rotor cores configured to define a plurality of slots, into which permanent magnets are inserted,
- wherein each of the plurality of rotor cores includes a first zone and a second zone different from each other in terms of positions at which fixing protrusions configured to fix the permanent magnets are provided in the plurality of slots, and
- wherein the plurality of rotor cores is stacked so that the first zones in a predetermined number of the plurality of rotor cores overlap the second zones in a predetermined number of the rotor cores.
A rotor applied to a driving motor, the rotor including a plurality of rotor cores configured to define a plurality of slots, into which permanent magnets are inserted,
- wherein each of the plurality of rotor cores includes a first zone provided with fixing protrusions configured to fix the permanent magnets and a second zone provided with no fixing protrusions, and
- wherein the plurality of rotor cores is stacked so that the first zones in a predetermined number of the plurality of rotor cores overlap the second zones in a predetermined number of the rotor cores.
Dependencies are inferred from the claim text.