Patent ID: 8212439
Filing Date: 2012-07-03
Classification: F01P,F04D,H02K

Abstract:
1. Fan-motor unit comprising: a fan driven by an electric motor, both mounted on a support, at least one inlet (I) and one outlet (S) for a forced air flow, an electronic circuit board for controlling the motor, a radiator for cooling the electronic circuit board, which is mounted in contact with the said electronic circuit board and at least partially immersed in the forced air flow, the said fan-motor unit being characterized in that: the radiator has a curved peripheral edge: determining a convex face and a concave face of the said radiator, the electronic circuit board being in contact with the said radiator on the concave face side, determining a substantially cylindrical bearing surface on the convex face side of the said radiator, a radial gasket forming a skirt comprises: a first end, the said first end being secured to the support, a second end at the opposite end to the first end, the said second end being free, a substantially cylindrical interior face between the first and second ends, and in that the interior face of the radial gasket at least partially bears against the bearing surface.