Patent ID: 7813129

Claim:
Fan for drawing in cooling air for at least one of electrical and electronic components, comprising: a housing with at least one suction opening, at least one outlet opening and at least one wheel arranged between the suction opening and the outlet opening for rotation on an axis and bearing a number of blades; a frame; and a number of walls enclosing the electrical components, wherein the at least one suction opening and the at least one outlet opening for cooling air is formed in the walls, and wherein the at least the suction opening is provided with filter material, and the fan is connected to at least one of the electrical and electronic components via at least one of a connecting part and a connecting hose, wherein the blades in the wheel are placed and embodied such that the flow of the cooling air generated thereby has a radial or centrifugal component, and the housing includes a base plate having a means for fixing the fan to at least one of a connecting part and a cooling hose, the at least one of the connecting part and the cooling hose being connectable to the at least one electrical and electronic components.