Toroidal star-shaped transformer

Details Toroidal star-shaped transformer Toroidal star-shaped transformer

2008-01-09

2010-02-02

Mai, Anh T (Department: 2832)

Inductor devices

Coils of special configuration

Toroidal

C336S180000, C336S206000, C336S225000, C336S234000, C324S127000, C324S232000, C324S258000

Reexamination Certificate

active

07656266

ABSTRACT:
A toroidal power transformer is disclosed. The toroidal power transformer comprises a circular core composed of plurality of laminated electrically conductive materials, a plurality of multi-layered first windings radially wound around the circular core, said winding arranged with an angular spacing of 2θ and a number of windings in each winding layer is less than a number of windings in each previous layer, a multi-layered second winding radially wound around the circular core covering a corresponding one of said plurality of first windings, wherein the layers of each of said second windings are arranged to form a substantially triangular cross-section; and an insulating layer between each of said first and second windings.

REFERENCES:
patent: 3054976 (1962-09-01), Lipshutz
patent: 3235790 (1966-02-01), Collins
patent: 3546580 (1970-12-01), Williams
patent: 4694246 (1987-09-01), Avisse
patent: 6300857 (2001-10-01), Herwig
patent: 2004/0212362 (2004-10-01), Baudendistel et al.
patent: 2005/0001709 (2005-01-01), Pais et al.
patent: 2007/0046413 (2007-03-01), Yamashita et al.
patent: 06120024 (1994-04-01), None

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