Inductive apparatus

Details Inductive apparatus Inductive apparatus

1983-12-20

1984-09-11

Kozma, Thomas J.

Inductor devices

Coil or coil turn supports or spacers

Flexible filament, strip or sheet insulation

336223, 336225, H01F 2728

Patent

active

044713363

ABSTRACT:
A sheet winding (7) in a transformer is made with double-curved conductor sheets. Some of the winding turns are mutually different as regards the curvature visible in an axial section. This has been achieved by arranging a number of filling members at each one of the end surfaces of the winding. Each filling member contains several turns of a filling tape (14), which are evenly distributed in a group of mutually adjacently positioned winding turns wound from a conductor sheet (9). Because the filling tape has different degrees of overlap in the different turns of the conductor sheet (9), the filling member will have approximately the same effect as a filling body which, in axial section, exhibits a wedge-shaped cross-section area.

REFERENCES:
patent: 1331077 (1920-02-01), Moody
patent: 1825105 (1931-09-01), Tenman
patent: 3464043 (1968-08-01), Benko et al.
patent: 3634800 (1972-01-01), Fisher
patent: 3691498 (1972-09-01), Zwelling et al.
patent: 3928832 (1975-12-01), Forsberg et al.
patent: 4259654 (1981-03-01), Persson et al.
patent: 4323870 (1982-04-01), Moritz et al.

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