Patent ID: 6558116
Filing Date: 2003-05-06
Classification: H02K

Abstract:
A gas-cooled machine with a rotatably drivable shaft on which is positioned an axial ventilator, having a cover that divides an inflow chamber for a cooling gas transported by the axial ventilator from an outflow chamber for this cooling gas, as well as having a cylindrical channel segment that is positioned coaxially to the axial ventilator and surrounds it radially, whereby the inflow chamber comprises an asymmetrical cooling gas supply, and whereby in the inflow chamber means for homogenizing the cooling gas supply to the axial ventilator are provided, characterized in thatthe inflow chamber forms at least in the region of an inflow opening of the channel segment a rotation-symmetrical annular chamber, and in the annular chamber, coaxially to the axial ventilator, a cylindrical annular collar is provided, which projects into the annular chamber and forms a completely surrounding, radial throttling gap at the inflow opening.