ROTOR ASSEMBLY, MOTOR, BLOWER, AND VACUUM CLEANER
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United States of America Patent
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Issued Date -
Oct 3, 2019
app pub date -
Mar 18, 2019
filing date -
Mar 29, 2018
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Abstract
A rotor assembly includes a shaft disposed along a central axis extending vertically, annular magnet pieces disposed on a radially outer side of the shaft and arrayed in an axial direction, a shaft adhesive film that attaches the shaft to the magnet pieces, and a magnet adhesive film that attaches the magnet pieces adjacent in the axial direction to each other. The shaft adhesive film and the magnet adhesive film are the same adhesive and are continuously formed.
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