Vapor cooled electrical inductive apparatus

Details Vapor cooled electrical inductive apparatus Vapor cooled electrical inductive apparatus

1983-05-25

1985-01-15

Briggs, William R.

Metal working

Plural diverse manufacturing apparatus including means for...

Binding or covering and cutting

409131, B23Q 1500

Patent

active

044931387

ABSTRACT:
Vapor cooled induction apparatus having a winding with predetermined surface irregularities on the turn surfaces of the winding to provide spaces to permit a cooling/insulating vaporizable liquid dielectric to flow between the turn surfaces of the winding to enable a film of the insulating cooling detection to be deposited on the surface area of the winding. The surface irregularities may be transverse grooves disposed at predetermined intervals in at least one surface of an elongated metallic conductor used to form the winding or they may be bosses of insulation disposed on a predetermined spacing on at least one surface of the elongated metallic conductor. Also disclosed are a method and apparatus for forming precisely spaced grooves in the surface of a continuously moving elongated conductor and thereafter insulating the grooved conductor with a uniform, solid, homogeneous coating of electrical insulation.

REFERENCES:
patent: 1930219 (1933-10-01), Zimber
patent: 1930446 (1933-10-01), Weybrecht et al.
patent: 1954009 (1934-04-01), Kotchl

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