Patent ID: 7825765
Filing Date: 2010-11-02
Classification: H02M,Y02B,Y10S

Abstract:
1. An integrated transformer assembly comprising: a first coil assembly having a first primary winding, a second primary winding, and a first secondary winding, said first primary winding, said second primary winding, and said first secondary winding are magnetically coupled to each other; a second coil assembly having a third primary winding, a fourth primary winding, and a second secondary winding, said third primary winding, said fourth primary winding, and said second secondary winding are magnetically coupled to each other; and a core body provided with a plurality of core portions and at least one substantially annular slot formed to surround at least one of the plurality of core portions, at least one of said windings in the first coil assembly being contained in the at least one annular slot and wound around at least one of the plurality of core portions, at least one of said windings in the second coil assembly being contained in the at least one annular slot and wound around at least one of the core portions, at least one of the plurality of core portions constituting a common magnetic path of the first and the second coil assemblies.