Transformer structure

Details Transformer structure Transformer structure

2009-08-25

2010-11-09

Mai, Anh T (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Coil on a preformed support or mount

C336S198000, C336S192000

Reexamination Certificate

active

07830234

ABSTRACT:
A transformer includes a bobbin assembly, a magnetic core covering element, and a magnetic core assembly. The bobbin assembly includes a primary bobbin, a first secondary bobbin and a first channel. The primary bobbin includes a first sheathing part. At least one primary winding coil is wound around the primary bobbin. The first sheathing part has a first receptacle. A separation structure is formed within the first receptacle. The first secondary bobbin is accommodated within the first receptacle. A first secondary winding coil is wound around the first secondary bobbin and includes a wound segment and a returned segment. The wound segment and the returned segment are separated from each other by the separation structure. The magnetic core covering element is coupled with the bobbin assembly, and includes a second channel. The magnetic core assembly is partially embedded into the first channel and the second channel.

REFERENCES:
patent: 5534839 (1996-07-01), Mackin et al.
patent: 7199694 (2007-04-01), Hao
patent: 7696851 (2010-04-01), Ger et al.
patent: 7714689 (2010-05-01), Hsieh
patent: 7724115 (2010-05-01), Chen et al.
patent: 7760063 (2010-07-01), Lin et al.

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