Method of making integrally formed transformer cooling ducts

Details Method of making integrally formed transformer cooling ducts Method of making integrally formed transformer cooling ducts

1979-12-03

1982-07-06

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

336 60, H01F 4106

Patent

active

043375693

ABSTRACT:
A vaporization cooled transformer is provided with rectangular windings in which the cooling ducts are integrally formed by pressing the coils with a hydraulic press. The coils are smaller than windings in which cooling channels are formed by insulating spacers. The smaller windings result in a savings in conductor material, core material, fluid, and tank plate.

REFERENCES:
patent: 3200357 (1965-08-01), Olsen et al.
patent: 3341941 (1967-09-01), Olsen
patent: 3789337 (1974-01-01), Sheppard

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