Bobbin, coil-wound bobbin, and method of producing...

Details Bobbin, coil-wound bobbin, and method of producing... Bobbin, coil-wound bobbin, and method of producing...

2011-04-19

2011-04-19

Enad, Elvin G (Department: 2832)

Inductor devices

With supporting and/or spacing means between coil and core

Preformed insulation between coil and core

C336S192000, C029S605000, C310S044000, C310S049030, C310S071000

Reexamination Certificate

active

07928822

ABSTRACT:
A bobbin includes a spool portion having a hollow circular cylinder shape and adapted to have a wire wound thereon in multilayer alignment; a flange integrally disposed at one end of the spool portion; and a terminal block integrally disposed at the flange and adapted to terminate the wire, wherein a formula: D×N−D/2≦L<D×N+D/2 is established where L is the effective length of the spool portion, D is the diameter of the wire, and N is the number of turns of the wire for the first layer of the multilayer alignment.

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