Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Patent
1975-05-23
1976-11-02
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
335299, H01F 300
Patent
active
039900290
ABSTRACT:
An electromagnetic apparatus in which a semiconductive liner of which at least one side is processed by mold releasing material is provided between the winding embedded in the slots of an iron core and the wall of the slot, and the remainder of the slots is filled with adhesive. The liner employed prevents the winding from adhering to the wall of the slot with the result that the insulating layer of winding is not damaged during thermal cycling and also corona discharge is prevented.
REFERENCES:
patent: 2912627 (1959-11-01), Road
patent: 2940019 (1960-06-01), Steinhauser
patent: 3870982 (1975-03-01), Shibano et al.
Hakamada Takeshi
Kano Ikushi
Kashimura Mituo
Soma Misao
Harris George
Hitachi , Ltd.
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