This device comprises: - a nebulizing nozzle (20) provided with at least one liquid-intake orifice (23) and with at least one liquid-outlet orifice, and a piezoelectric element (22) able to emit acoustic waves into the said liquid, - a nebulizing chamber comprising at least one diffusion orifice (14), the said nozzle being able to generate a jet of liquid inside the said nebulizing chamber, - a liquid-collection volume (VC), able to supply the at least one intake orifice (23) of the nozzle, – ventilation means able to generate a gas stream (C7) intended to entrain part of the liquid, leaving the nozzle, in the direction of the at least one diffusion orifice (14). According to the invention, the liquid-collecting volume (VC) is able to collect under the effect of gravity the said fraction of the jet of liquid generated by the nozzle, notably being incorporated into the nebulizing chamber. That makes it possible to reduce the number of component parts of the device and to lighten the overall structure thereof. Moreover, the liquid can be conveyed between this collecting volume and the inlet of the nozzle via a pipe of simplified shape, thereby avoiding losses of pressure head and dead volumes. Because this liquid path is more direct, the risks of potential leakage are also lower.


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    Title :

    DISPOSITIF DE PULVÉRISATION À TRANSDUCTEUR PIÉZOÉLECTRIQUE, NOTAMMENT POUR VÉHICULE


    Additional title:

    PIEZOELECTRIC-TRANSDUCER SPRAY DEVICE, NOTABLY FOR A VEHICLE
    PIEZOELEKTRISCHE WANDLER-SPRÜHVORRICHTUNG, INSBESONDERE FÜR EIN FAHRZEUG


    Contributors:

    Publication date :

    2024-10-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    IPC:    B05B Sprühvorrichtungen , SPRAYING APPARATUS / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht



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