Title:
ROTOR ASSEMBLY, MOTOR, BLOWER, AND VACUUM CLEANER
Document Type and Number:
Japanese Patent JP2019176660
Kind Code:
A
Abstract:
To provide a rotor assembly having a simple structure and capable of firmly fixing an upper spacer, a magnet, and a shaft.SOLUTION: A rotor assembly 5B includes: a shaft 51 disposed along a central axis Ax extending vertically; a cylindrical magnet 50 disposed radially outside the shaft; an upper spacer 54B disposed axially above the magnet fixed to a radially outer surface of the shaft; a shaft adhesive film 561 disposed between the radially outer surface of the shaft and a radially inner surface of the magnet, for bonding the shaft and the magnet; and an upper spacer adhesive film disposed between an axially lower surface of the upper spacer and an axially upper surface of the magnet, for bonding the upper spacer and the magnet. The shaft adhesive film and the upper spacer adhesive film are made of the same adhesive Ad and are continuously formed.SELECTED DRAWING: Figure 12
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Inventors:
NABESHI ITARU
SHIOZAWA KAZUHIKO
MORIYASU KENTA
SHIOZAWA KAZUHIKO
MORIYASU KENTA
Application Number:
JP2018064047A
Publication Date:
October 10, 2019
Filing Date:
March 29, 2018
Export Citation:
Assignee:
NIHON DENSAN KK
International Classes:
H02K1/27; A47L9/00; F04D25/08; F04D29/28; H02K7/14