Single-turn primary and single-turn secondary flat voltage trans

Details Single-turn primary and single-turn secondary flat voltage trans Single-turn primary and single-turn secondary flat voltage trans

1988-04-29

1989-08-29

Kozma, Thomas J.

Inductor devices

With temperature modifier

Heat exchanging surfaces

336184, 336212, 336219, 336223, H01F 2708, H01F 2724, H01F 2728

Patent

active

048621293

ABSTRACT:
A low-profile, high-frequency power transformer is comprised of a plurality of insulated ferrite slabs formed in a stacked array. In one embodiment a pair of slots are defined through the stacked array of insulated slabs. A single-turn metallic ribbon conductor is then looped through each pair of slots to form a corresponding first and second loop which are coupled in a magnetic flux circuit with each other through the stack. The distance separating one pair of slots is unequal to the distance separating the other pair of slots so that the loops formed by the ribbons have a corresponding unequal cross section. Hence the ratio of the voltages on the ribbons is proportional to the ratio of the respective cross-sectional areas of the ribbon loops. In another embodiment, a third ribbon is added having a cross-sectional loop area equivalent to the second ribbon to provide symmetrical, single-turn output coils.

REFERENCES:
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patent: 2283711 (1942-05-01), Welch, Jr.
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patent: 2598617 (1952-05-01), Stimler
patent: 2869112 (1959-01-01), Hunter
patent: 3222626 (1965-12-01), Feinberg et al.
patent: 4146859 (1979-03-01), Quirke
patent: 4206434 (1980-06-01), Hase

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