Inductor for an electrical system

Details Inductor for an electrical system Inductor for an electrical system

1996-12-02

1998-05-05

Wong, Peter S.

Electricity: power supply or regulation systems

Including a transformer or an inductor

With core having permanent magnet or air gap

336210, 336211, H01F 2724, H01F 2726

Patent

active

057479810

ABSTRACT:
In one embodiment of the present invention, an inductor comprises a core defining a first electromagnetic path, a second electromagnetic path and a third electromagnetic path, the third electromagnetic path substantially closing the first and second electromagnetic paths. The inductor also includes a first electrical coil wound about at least a portion of the first electromagnetic path and a second electrical coil wound about at least a portion of the second electromagnetic path. Another embodiment of the present invention uses the inductor in an electrical system such as a DC-to-DC converter. Inductors constructed according to the present invention can be used to provide "common mode" inductance and "differential mode" inductance in a single inductor.

REFERENCES:
patent: 4264827 (1981-04-01), Herzog
patent: 4853668 (1989-08-01), Bloom
patent: 5038264 (1991-08-01), Steigerwald
patent: 5095291 (1992-03-01), Staschover et al.
patent: 5119059 (1992-06-01), Covi et al.
patent: 5210519 (1993-05-01), Moor
patent: 5535189 (1996-07-01), Tomlinson

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