The ventilation device comprises an electric fan and a ventilation duct (18) having a nominal transverse section over its length. The first end (26) of the duct is connected to the outlet of the fan and the second end (28) forms an air diffusion mouth. The...

The mixer for hot and cold air in a car heater comprises a semicircular cold air inlet (2) and hot air inlet (3) which are separated by a horizontal partition. The inlets are divided into vertical air channels with sloping edges (7).

The louver comprises a frame (1), inside which there is provided a rotating helical screw (8) converting an inlet axial air flow (A) into a corresponding helical outlet air flow (B) that issues from the frame (1) in the form of a whirling, substantially di...

The method involves producing at least two ventilation structures each having a pliable duct portion, then positioning the pliable duct portions of first and second ventilation structures in the assembly position for assembling pliable duct portions and ai...

The frame upright consists of a hollow side tube (2) which acts as an air circulation duct in two sections (4a, 4b) and has an aperture (6) for a seat belt (8). Each section (4a, 4b) of the duct has an open end (12a, 12b) for the air supply, and they meet ...

The assembly (1), comprising a duct (2) running along the roof of the vehicle interior and equipped with an inner trim panel (6) and covering layer (4), has the trim panel fitted with at least one ventilator (8). Each ventilator comprises a grille (10) in ...

A process for making inner (160-166) and outer ducts for a simple but effective plastic heat exchanger by a simple blow molding or thermoforming technique. Seals are formed by providing initially closed inner ducts (160-166) which are stacked on one anothe...