Patent ID: 9062754
Filing Date: 2015-06-23
Classification: F16H,Y10T

Abstract:
1. A gear unit, comprising: an input shaft; a bearing adapted to support the input shaft provided in a housing part of the gear unit; and a fan impeller provided on the input shaft; wherein at least one of (a) the housing part is beveled at least in a surface area adjacent to the fan impeller, the surface area being an exterior surface of the housing part that forms an exterior shape of the housing part exposed to an external environment of the housing part and (b) a beveled cowl is mounted on the housing part; wherein an air-guide containment is provided around the gear unit and surrounds the housing part by enveloping more than one side of the housing part; and wherein cooling fins are provided on at least one of (a) the beveled area of the housing part and (b) the cowl, the cooling fins directly projecting from a planar region of one of the exterior surface of the beveled area and the cowl at a non-zero angle with respect to a normal to a longitudinal axis of the input shaft.