Rotor, motor, fan, and electric vacuum cleaner or hand dryer
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United States of America Patent
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Apr 16, 2024
Grant Date -
Oct 27, 2022
app pub date -
Nov 14, 2019
filing date -
Nov 14, 2019
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A rotor includes a shaft extending in an axial direction, a cylindrical magnet portion provided at an outer peripheral portion of the shaft, a cylindrical scattering-prevention member provided so as to cover an outer peripheral surface of the magnet portion, a first balancing member provided at one end of the magnet portion in the axial direction, and a second balancing member provided at the other end of the magnet portion in the axial direction from which one end side of the shaft extends in the axial direction and having a diameter smaller than the inner diameter of the scattering-prevention member and the second balancing member has an end surface in contact with the magnet portion, the end surface being not surrounded by the scattering-prevention member.
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