Method for fabricating electrical core sheet assemblies

Details Method for fabricating electrical core sheet assemblies Method for fabricating electrical core sheet assemblies

2007-05-01

2007-05-01

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S602100, C029S609000, C029S841000, C029S417000, C336S219000, C310S216006, C264S272190

Reexamination Certificate

active

10190149

ABSTRACT:
A method of fabricating electrical core sheet assemblies such as transformer limbs, transformer yokes, and transformer cores, includes the steps of first cutting electrical core sheets, whose main surfaces have been provided with an anti-corrosion layer, into a desired shape. The side surfaces of the cut core sheets are first provided with an anti-corrosion layer, before the cut core sheets are assembled into the desired core sheet assembly.

REFERENCES:
patent: 2658264 (1953-11-01), Epelboin
patent: 3614830 (1971-10-01), Bate et al.
patent: 4665329 (1987-05-01), Raschbichler
patent: 881 547 (1951-03-01), None
patent: 1 018 172 (1957-10-01), None
patent: 3-278505 (1989-11-01), None
Lin et al., “Cast Thin Amorphous Mtal for Stacked Core Power Transformers”, Westinghouse ABB Power T & D Co., IEEE Proceedings of the 19th 1989 EEIC/ICWA Exposition, Electrical Electronics Insulation Conference, Sep. 1989, pp. 154-157.

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