VENTILATEUR, EN PARTICULIER POUR SYSTEMES DE REFROIDISSEMENT SUR LES VEHICULES AUTOMOBILES

摘要

A fan, particularly for cooling systems in motor vehicles, wherein the fan hub consists of outer and inner hub parts which are inserted one within the other and fastened together. The outer hub part carries the fan blades and the inner hub part, which may optionally be composed of two or more segments, is provided with the device for connection to the clutch and being made of a nonmetallic material having greater resistance to heat than the material of which the outer hub part carrying the fan blades is made.