Variable transformer with multi-layer coil

Details Variable transformer with multi-layer coil Variable transformer with multi-layer coil

1984-09-07

1985-12-24

Kozma, Thomas J.

Inductor devices

With means to change coil length or connections

Contactor slidable on coil winding

29605, H01F 2102, H01F 2906, H01F 4106

Patent

active

045609705

ABSTRACT:
A coil for a variable transformer is provided having multiple layers of wire. Winding of such a coil is facilitated by providing an end form having a series of raised fins, or partitions, between which stacked layers of wire are held. The construction provides for easy and economical machine-winding and ensures that the segments of wire forming the commutating surface are held relatively immovable with respect to each other, thus preserving the integrity of the commutating surface.

REFERENCES:
patent: 2810887 (1957-10-01), Ecklund et al.
patent: 3278877 (1966-10-01), Kameya et al.
patent: 3365686 (1968-01-01), Peterson
patent: 3497848 (1970-02-01), Corrigall
patent: 4189672 (1980-02-01), Peschel

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