Low eddy current loss permanent magnet assembly for permanent magnet motor
AssigneeYantai Dongxing Magnetic Materials Inc.
InventorsZhongjie PENG, Xiaoqun LI, Feng LIANG, Kaihong DING
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Abstract
A permanent magnet assembly is provided with an electric insulating layer; the electric insulating layer comprises a first group of insulating layers and a second group of insulating layers; the first group of insulating layers are defined as glue layers and used for bonding adjacent permanent magnet sections or bonding adjacent non-magnetically conductive sections to permanent magnet sections; the second group of insulating layers are defined as electric insulating layers; and the second group of insulating layers may be grooves filled with air or grooves made of other insulating materials other than glue.
Claims17
A permanent magnet assembly, comprising:
- a plurality of permanent magnet segments;
- at least one adhesive layer bonding the permanent magnet segments together to form the permanent magnet assembly;
- and
- at least one glue-free electrical insulation layer embedded within the permanent magnet assembly.
A permanent magnet assembly, comprising:
- a plurality of permanent magnet segments;
- a plurality of adhesive layers;
- a plurality of non-magnetic segments;
- and
- at least one glue-free electrical insulation layer embedded within the permanent magnet assembly.
Dependencies are inferred from the claim text.