Wire core inductive devices having a biassing magnet and...

Details Wire core inductive devices having a biassing magnet and... Wire core inductive devices having a biassing magnet and...

2005-04-26

2005-04-26

Mai, Anh (Department: 2832)

Inductor devices

Core forms casing

C336S233000, C029S602100

Reexamination Certificate

active

06885270

ABSTRACT:
An inductive device comprises a magnetic core including a portion of a plurality of wires, at least one electric winding extending around the magnetic core, each of the plurality of wires substantially encircling the at least one electric winding, and at least one biassing magnet disposed adjacent the plurality of wires to provide a bias magnet flux for offsetting a flux generated by a direct current component flowing in the winding.

REFERENCES:
patent: 1597901 (1926-08-01), Kent
patent: 2043346 (1936-06-01), Buckley
patent: 2179661 (1939-11-01), Jones
patent: 3304599 (1967-02-01), Nordin
patent: 3350670 (1967-10-01), Strauch
patent: 3720897 (1973-03-01), Feather et al.
patent: 4035751 (1977-07-01), Walthew
patent: 4415841 (1983-11-01), Willis et al.
patent: 4504750 (1985-03-01), Onodera et al.
patent: 6239681 (2001-05-01), Buswell
patent: 6268786 (2001-07-01), Buswell

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