Patent ID: 8230910
Filing Date: 2012-07-31
Classification: F01P,F04D

Abstract:
1. An apparatus for conveying a cooling air flow for at least one motor vehicle heat exchanger, comprising: a fan frame having a frame opening, a fan wheel configured to rotate in the frame opening, a fan control unit which is arranged in an edge region of the frame opening, and a cooling body configured to cool the fan control unit and comprising a plurality of cooling domes, wherein a first cooling dome is arranged entirely radially exterior to the frame opening with respect to a center of the fan wheel, and a second cooling dome is located partially radially within the frame opening and partially radially exterior to the frame opening with respect to the center of the fan wheel, wherein the first cooling dome is configured to exchange heat with an auxiliary flow that flows radially exterior to the frame opening with respect to the center of the fan wheel when the fan wheel rotates.