Transformer, more especially a voltage dropping transformer for

Details Transformer, more especially a voltage dropping transformer for Transformer, more especially a voltage dropping transformer for

1983-06-08

1985-09-24

Eisenzopf, Reinhard J.

Inductor devices

With temperature modifier

Ventilating passages

336 62, H01F 2710

Patent

active

045435529

ABSTRACT:
A voltage dropping transformer for an electric welding machine, of the type in which the secondary circuit is formed by a wound strip, is provided wherein one or more cooling turns are incorporated or inserted in the windings of the primary and/or secondary circuits, separating them into several parts while being in thermal contact therewith. The turns are electrically inactive--having solely a cooling role--and do not form part of the electric circuits of the windings.

REFERENCES:
patent: 1394044 (1921-10-01), Stephens
patent: 2577825 (1951-12-01), Strickland, Jr.
patent: 2579522 (1951-12-01), Strickland, Jr.
patent: 2770785 (1956-11-01), Haagens et al.
patent: 3137830 (1964-06-01), Emaus, Jr. et al.
patent: 4039990 (1977-08-01), Philp
patent: 4156221 (1979-05-01), Graul
French Certificate of Addition No. 2,085,609.

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