Motor slot wedge with sealing structure and combination device
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United States of America Patent
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-
Nov 24, 2020
Grant Date -
Oct 26, 2017
app pub date -
Dec 17, 2014
filing date -
Oct 11, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A motor slot wedge having a sealing structure is provided. An outer wall of the slot wedge is provided with a groove, and a thermal expansion material is provided in the groove, and the thermal expansion material, after expanding with heat, is in contact with an inner wall of an iron core tooth slot. A combination structure of a motor slot wedge having a sealing structure and a motor iron core is further provided, and includes the motor iron core having an iron core tooth slot and the motor slot wedge. A sealing structure is formed between the slot wedge and the inner wall of the slot of the iron core, thereby preventing the moisture from entering the inside of the slot of the iron core and damaging the insulation structure accordingly, and preventing varnish loss after varnish vacuum pressure impregnation.
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