Choke coil

Details Choke coil Choke coil

1998-06-12

2000-01-11

Gellner, Michael L.

Inductor devices

Three or more windings

336214, 336234, 336215, 336178, H01F 2724, H01F 2728

Patent

active

060140712

ABSTRACT:
A choke coil for preventing harmonic distortions having a plurality of laminated iron core sheets formed into a core. A first coil is wound around a first limb of a first core, and a second coil is wound around a first limb of a second core. A third coil is wound around the second limb of both the first core and the second core, and the second core is disposed within the magnetic circuit of the first magnetic core. The iron core sheets have embossments formed on a front and back side for fitting the iron core sheets together. The embossments have longitudinal sides formed orthogonally to the direction of magnetic fluxes in the core, and may be inwardly inclined to face each other.

REFERENCES:
patent: 3201731 (1965-08-01), Baenziger et al.
patent: 4009460 (1977-02-01), Fukui et al.
patent: 5481238 (1996-01-01), Carsten et al.
patent: 5671526 (1997-09-01), Merlano
Patent Abstracts of Japan vol. 004, No. 175 (E-036), Dec. 3, 1980 & JP-A-55 120117 (Toshiba Corp.), Sep. 16, 1980.

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