High-current electrical coil, and transformer construction...

Details High-current electrical coil, and transformer construction... High-current electrical coil, and transformer construction...

2006-01-30

2008-10-21

Nguyen, Tuyen T. (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

Reexamination Certificate

active

07439839

ABSTRACT:
An electrical coil includes first and second electrically-conductive elements each of a thin, flat, annular configuration formed with a gap to define the turns of a 2-turn coil, and an electrically insulative element also of a thin, flat, annular configuration disposed coaxially between the two electrically-conductive elements and formed with a gap aligned with one end of each turn to permit the ends to be electrically connected together. Also described is a transformer having a secondary winding including a plurality of such 2-turn coils, and a primary winding of a plurality of double-coils each connected together at their mid-portions.

REFERENCES:
patent: 5179365 (1993-01-01), Raggi
patent: 5559487 (1996-09-01), Butcher et al.
patent: 5777539 (1998-07-01), Folker et al.
patent: 6154111 (2000-11-01), Rehm et al.
patent: 6420953 (2002-07-01), Dadafshar
patent: 6522233 (2003-02-01), Kyoso et al.
patent: 6636140 (2003-10-01), Fujiyoshi et al.

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