Patent ID: 11383251

Abstract:
The present disclosure relates to a nozzle device for atomisation of a liquid, wherein the nozzle device comprises: a substrate, a sieve-side membrane comprising a plurality of sieve-side orifices, the sieve-side membrane being provided on a sieve-side of the substrate, a spray-side membrane comprising a plurality of spray-side orifices, the spray-side membrane being provided on a spray-side of the substrate, wherein the substrate has a first cavity portion extending to the sieve-side membrane, and a second cavity portion extending from the first cavity portion to the spray-side membrane, thereby providing fluid communication, along a fluid communication axis, between the sieve-side orifices and the spray-side orifices, the first cavity portion having a larger cross-sectional area than a cross-sectional area of the second cavity portion, the cross-sections being with respect to the fluid communication axis.