Inductor devices – Coils of special configuration – Toroidal
Reexamination Certificate
2009-01-22
2010-06-22
Mai, Anh T (Department: 2832)
Inductor devices
Coils of special configuration
Toroidal
C336S192000, C439S859000
Reexamination Certificate
active
07741945
ABSTRACT:
The invention is directed to a transformer having a ferromagnetic core with a coil disposed around the core. An insulation layer is disposed over the core and the coil and terminals are connected to the coil. Each of the terminals is formed from cast metal and has a base and a connector. The base is at least partially disposed under the insulation layer. A connector is joined to the base at about a right angle and is located toward the middle of the base.
REFERENCES:
patent: 1946713 (1934-02-01), Rowley
patent: 5295860 (1994-03-01), Jozefczyk et al.
patent: 6160468 (2000-12-01), Himei
patent: 7224253 (2007-05-01), Chung
patent: 2004/0021540 (2004-02-01), Cattaneo
patent: 409213528 (1997-08-01), None
ABB Technology AG
Katterle Paul R.
Mai Anh T
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