A rotor assembly

A rotor assembly 10 for a brushless permanent magnet motor includes a shaft having a first portion 24 having a first diameter, a second portion 26 having a second diameter, and a third portion 28 having a third diameter. The rotor assembly includes a first bearing assembly 16 mounted to the first po...

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Bibliographic Details
Main Authors Harry Alexander Morley, Alexander John Asbridge, Thomas Edward Halhead
Format Patent
LanguageEnglish
Published 11.09.2024
Subjects
BLASTING
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Summary:A rotor assembly 10 for a brushless permanent magnet motor includes a shaft having a first portion 24 having a first diameter, a second portion 26 having a second diameter, and a third portion 28 having a third diameter. The rotor assembly includes a first bearing assembly 16 mounted to the first portion of the shaft, a permanent magnet 23 mounted to the second portion of the shaft, and a second bearing assembly 18 mounted to the third portion of the shaft. The second portion is located intermediate the first portion and the third portion, the second diameter is less than the first diameter, and the third diameter is less than the first and second diameters. The electric motor may be used in a vacuum cleaner or a haircare appliance.
Bibliography:Application Number: GB20230001187