| 20100085775 | HIGH VOLTAGE STEP-UP DRY POWER TRANSFORMER AND POWER SUPPLY UNIT COMPRISING AT LEAST ONE SUCH TRANSFORMER - A high voltage step-up power transformer includes at least one module which defines a lower voltage primary side and a higher voltage secondary side and which includes at least one primary winding and at least one secondary winding, wound concentrically around a ferromagnetic core body, the primary winding(s) being situated outwardly, and at least one shielding and/or insulating surface structure being arranged between the primary and secondary windings. The transformer ( | 04-08-2010 |