Electromagnetic apparatus and method for making a...

Details Electromagnetic apparatus and method for making a... Electromagnetic apparatus and method for making a...

2007-09-18

2007-09-18

Mai, Anh (Department: 2832)

Inductor devices

Multiple magnetic paths

C336S212000, C336S215000, C029S602100

Reexamination Certificate

active

11212550

ABSTRACT:
An electromagnetic apparatus includes: (a) A magnetic material arranged in a core structure establishing a first flux path set and a second flux path set; the first flux path set includes a first middle flux path oriented about a first axis and two first side flux paths parallel with the first axis; the second flux path set includes a second middle flux path oriented about a second axis and two second side flux paths parallel with the second axis; the second axis is perpendicular with the first axis. The first and second flux path sets cooperate to establish open spaces. Each open space is bounded by portions of two flux paths from each of the first and second flux path sets. (b) A plurality of windings for conducting electrical current about the magnetic core structure. The windings are oriented around one axis on both sides of the other axis.

REFERENCES:
patent: 2003/0038696 (2003-02-01), Chui et al.
patent: 2004/0239463 (2004-12-01), Poniatowski et al.

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