Stator for an Electrical Machine
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United States of America Patent
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Issued Date -
Aug 4, 2016
app pub date -
Jan 22, 2016
filing date -
Jan 22, 2016
priority date (Note) -
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Abstract
An electrical machine has a lamination core assembled with an interference fit into a frame. The core has notches around the surface forming the interference fit which reduce the stress in the frame. The notches extend from the outer surface of the core towards the centre of the machine. This invention is particularly beneficial when the operating or storage temperature is reduced to a low value. The invention also applies to the fitting of a shaft into a rotor core.
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