Patent ID: 7035101

Claim:
A power supply comprising: an enclosure of length L; a first end wall disposed at a first end of said enclosure and a second end wall disposed at a second end of said enclosure; an air permeable air intake port in said first end wall; an air permeable air exhaust port in said second end wall; an air flow generator disposed within said enclosure at least a distance L/5 from said air intake port and said air exhaust port, wherein said first end wall and said second end wall define a longitudinal axis of said enclosure; a first electrical circuit disposed in said enclosure between said air intake port and said air flow generator; a second electrical circuit disposed in said enclosure between said air exhaust port and said air flow generator; a first cooling structure, thermally coupled to said first electrical circuit, having a first face substantially parallel to said longitudinal axis and a second face substantially perpendicular to said longitudinal axis; and wherein the area of said second face is less than area of said first face.