Resin sealing method of motor core
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United States of America Patent
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Nov 14, 2017
Issued Date -
N/A
app pub date -
Aug 5, 2015
filing date -
Aug 19, 2014
priority date (Note) -
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Abstract
Provided is a resin sealing method of a motor core having a rotor core and a stator core formed in such a way that a plurality of iron core pieces is laminated. The resin sealing method includes pressing the rotor core and the stator core from a direction of lamination by using a set of an upper die and a lower die, then extruding a resin stored in a resin reservoir pot provided in one or both of the upper die and the lower die by using a plunger and allowing a magnet-insert hole formed in the direction of lamination of the rotor core and a connection hole formed in the direction of lamination of the stator core to be filled with the resin and harden the resin.
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