| 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 |

| 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.
|