Electricity: power supply or regulation systems – In shunt with source or load – Using choke and switch across source
Reexamination Certificate
2007-02-13
2007-02-13
Vu, Bao Q. (Department: 2838)
Electricity: power supply or regulation systems
In shunt with source or load
Using choke and switch across source
C323S282000, C323S284000, C323S285000
Reexamination Certificate
active
11361742
ABSTRACT:
A power converter employing a tapped inductor and method of operating the same. In one embodiment, the power converter includes first and second tapped inductors including a tapped winding having a first section and a second section with a tap therebetween. The power converter also includes first and second active phase legs including a main switch series-coupled with an input node of the power converter and the first section of the tapped windings of the first and second tapped inductors, respectively. The first and second active phase legs also include an auxiliary switch interposed between the second section of the tapped windings of the first and second tapped inductors, respectively, and an output node of the power converter.
REFERENCES:
patent: 4577268 (1986-03-01), Easter et al.
patent: 5336985 (1994-08-01), McKenzie
patent: 5736842 (1998-04-01), Jovanovic
patent: 5815386 (1998-09-01), Gordon
patent: 5886508 (1999-03-01), Jutras
patent: 6094038 (2000-07-01), Lethellier
patent: 6489754 (2002-12-01), Blom
patent: 6512352 (2003-01-01), Qian
ColdWatt, Inc.
Slater & Matsil L.L.P.
Vu Bao Q.
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