OVERMOLDED ROTOR STRUCTURE
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Oct 31, 2024
app pub date -
Jul 11, 2024
filing date -
Jul 11, 2024
priority date (Note) -
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status (Latency Note)
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Abstract
A brushless direct-current (BLDC) motor is provided. The motor includes a stator including a stator core, stator teeth, and windings; a rotor shaft disposed within the stator and extending along a longitudinal axis; and a rotor. The rotor includes a rotor core including a body extending around the longitudinal axis, a permanent magnet mounted on the body of the rotor core, and a mold structure formed at least partially through the rotor core. In an embodiment, the mold structure engages two axial ends of the permanent magnet to axially retain the permanent magnet relative to the rotor core and integrally forms a fan adjacent the rotor core. In an embodiment, the permanent magnet includes at least one tooth extending from an axial end thereof and having angled side edges, and the mold structure engages the at least one tooth to fixedly secure the permanent magnet to the rotor core.
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