Motor ventilator unit for a heating, ventilation and/or air-conditioning device of an automobile

摘要

The fan has a turbine driving motor arranged in an engine mount (8) comprising an inner wall (20) that defines a reception housing (18) to receive the driving motor. An outer wall partly forms a bumping surface (24). The engine mount comprises two side openings (32) extending in a radial direction from the bumping surface to the inner wall of the engine mount. The side openings have dimension (D1) ranging between 5 and 30 mm. The driving motor is enclosed in a maintenance ring (26) including a peripheral wall (36). An independent claim is also included for a ventilation, heating and/or air-conditioning appliance.