Transformer

Details Transformer Transformer

2009-09-04

2010-12-14

Mai, Anh T (Department: 2832)

Inductor devices

Plural part core

C336S208000, C336S178000

Reexamination Certificate

active

07852188

ABSTRACT:
A transformer includes primary and secondary windings coupled electromagnetically to each other and wounded respectively around primary and secondary winding portions of a bobbin unit, and a core unit mounted to the bobbin unit and including first and second core parts that form a magnetic circuit path. The first core part includes insertion and extension segments extending from a connecting segment. The second core part includes insertion and extension segments, and an adjusting segment extending from a connecting segment toward the first core part. The extension segments of the first and second core parts contact each other. The insertion segments of the first and second core parts extend respectively through the primary and secondary winding portions to contact each other.

REFERENCES:
patent: 4885445 (1989-12-01), Taniguchi
patent: 5053738 (1991-10-01), Sato et al.
patent: 6424247 (2002-07-01), Suzuki
patent: 6753752 (2004-06-01), Lin
patent: 7598839 (2009-10-01), Wedley
patent: 7612640 (2009-11-01), Sano

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