Method of making a transformer core

Details Method of making a transformer core Method of making a transformer core

1988-12-12

1990-09-04

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29609, 336213, 336218, 336234, H01F 4102

Patent

active

049532863

ABSTRACT:
Strips of cast amorphous metal material are folded to form segments of a transformer core. The segments are arranged in a stack or stacks that will ultimately become a transformer core. A single stack of folded segments is formed about a mandrel into the closed loop of a wound core. Two or more stacks of folded segments are arranged to form the closed loop of a stacked core. The stacks are annealed and the joints opened so that the stacks may be inserted into prewound windings. The joints are then reclosed to complete the transformer core-coil assembly.

REFERENCES:
patent: 4211957 (1980-07-01), Alley et al.
patent: 4482402 (1984-11-01), Taub

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