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US 12,763,620 B2Granted
Rotor assembly, method for manufacturing rotor assembly, and motor including rotor assembly
AssigneeHyundai Mobis Co., Ltd.
InventorsYong Ho Kim, Bit Na Lee
Life of this patent
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Abstract
A rotor assembly includes: a shaft; a rotor core having a through-hole which is formed in an axial direction (A) and into which the shaft is inserted; a magnet inserted into an inner space of the rotor core; and a plate provided in close contact with one side of the rotor core in the axial direction (A). The plate includes a protrusion formed in a region, which faces a region between the magnet and the circumference of the rotor core, and protruding toward the rotor core.
Claims13
A rotor assembly comprising:
- a shaft;
- a rotor core having a through-hole extending in an axial direction (A), wherein the shaft is inserted into the through-hole;
- a magnet disposed in an inner space of the rotor core;
- and
- a plate disposed in contact with at least one side of the rotor core in the axial direction (A),
- wherein the plate has a first thickness and a second thickness greater than the first thickness, a region of the plate having the second thickness being disposed adjacent to the magnet and a circumference of the rotor core.
3 more elements
Dependencies are inferred from the claim text.