Title:
ROTOR ASSEMBLY, MOTOR, BLOWER, AND VACUUM CLEANER
Document Type and Number:
Japanese Patent JP2019176661
Kind Code:
A
Abstract:
To provide a rotor assembly having a simple structure and capable of improving attachment strength of a magnet to a shaft.SOLUTION: The rotor assembly includes: a shaft 51 disposed along a central axis Ax extending vertically; a cylindrical magnet 52C disposed on a radially outer surface of the shaft; a lower spacer 55B disposed below the magnet in an axial direction and fixed to the radially outer surface of the shaft; a shaft adhesive film 571 for bonding the shaft and the magnet; and a lower spacer adhesive film 573 for bonding an axially upper surface of the lower spacer and an axially lower surface of the magnet. The shaft adhesive film and the lower spacer adhesive film are made of the same adhesive and are continuously formed.SELECTED DRAWING: Figure 14
Inventors:
SAWADA TOMOYOSHI
Application Number:
JP2018064048A
Publication Date:
October 10, 2019
Filing Date:
March 29, 2018
Export Citation:
Assignee:
NIHON DENSAN KK
International Classes:
H02K1/27; A47L9/00; F04D23/00; F04D25/08; H02K7/14; H02K15/02; H02K15/03