US 7,498,921 B1
Transformer and transformer assembly
Jin-Biau Wang, Taipei Hsien (Taiwan)
Assigned to Acbel Polytech Inc., (Taiwan)
Filed on Nov. 20, 2007, as Appl. No. 11/984,572.
Claims priority of application No. 96137374 A (TW), filed on Oct. 05, 2007.
Int. Cl. H01F 5/00 (2006.01)
U.S. Cl. 336—200 16 Claims
OG exemplary drawing
 
1. A transformer comprising:
a bobbin having two side plates and a hollow winding core connected between the two side plates;
a copper sheet assembly comprising
multiple copper sheets mounted on the winding core of the bobbin, wherein each of the copper sheets has two legs and each leg has a distal end; and
a conducting board electrically connected to at least two of the copper sheets and being interposed between the winding core and the distal ends of the copper sheets;
a coil assembly comprising at least one winding wire being wound around the winding core between two adjacent copper sheets; and
a magnetic core assembly mounted on the bobbin.