Method for manufacturing a permanent-magnet excited rotor for a high speed electric motor
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United States of America Patent
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Jun 12, 2007
Grant Date -
Oct 2, 2003
app pub date -
Jan 11, 2002
filing date -
Jan 15, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method for manufacturing a permanent-magnet excited rotor for a high speed electric motor, according to which method a support sleeve (1) is mounted with a pre-tension around the rotor body (2), characterised in that the sleeve is expanded by a liquid that solidifies and is solid at the working temperatures of the rotor, said liquid is injected under pressure between the sleeve and the rotor body and held under pressure during solidification.
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