Rotary electrical machine, especially alternator, has casing with integral air intake and air outlet grilles in single piece construction

摘要

The machine casing (2) includes at least one air intake grille (14) and at least one air outlet grille (22), the grilles being integrally combined in a single-piece casing construction. The casing has an elongated shape and houses a rotor with a rotary shaft, as well as a fan which is made to rotate by the rotor.