Wire cross-over arrangement for coil assembly

Details Wire cross-over arrangement for coil assembly Wire cross-over arrangement for coil assembly

1985-07-18

1987-01-20

Kozma, Thomas J.

Inductor devices

Winding formed of plural coils

Coil supports or spacers

336192, 336198, H01F 2730

Patent

active

046382828

ABSTRACT:
A coil assembly, as for the secondary of a high voltage ignition transformer, includes a coil subdivided into segments by radial flanges on a coil bobbin. Cross-over grooves provided in the bobbin flanges allow the coil wire transitioning from one coil segment or slot into the next to be relatively isolated from contact with coil-turns of greatly different electrical potential. The formation of the cross-over groove in a respective bobbin flange is such that the cross-over of the coil wire from one segment to the next is forced to occur and remain at a radially-outward position relative to the formed coils. Guide ridges facilitate the cross-over of the coil wire at the entry to a respective cross-over groove.

REFERENCES:
patent: 2298357 (1942-10-01), Elvin et al.
patent: 2355477 (1944-08-01), Stahl
patent: 3457534 (1969-07-01), Davis
patent: 3573694 (1971-04-01), Von Fange
patent: 3661342 (1972-05-01), Sears
patent: 4151500 (1979-04-01), Malerba et al.
patent: 4183002 (1980-01-01), Haslau
patent: 4195278 (1980-03-01), Doyle et al.
patent: 4353051 (1982-10-01), Wille et al.

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