Patent ID: 11857984
Assignee: MEDSPRAY B.V.
Field: Chemical engineering (Chemistry)
Classification: CPC B  A | IPC A  B

Claim 59:
60. A spray device, for spraying a liquid, comprising a spray nozzle unit, said spray nozzle unit comprising at least one spray nozzle having a chamber for receiving a pressurized liquid therein and having a perforated nozzle wall for releasing a microjet spray that is composed of a plurality of microjets of said liquid, wherein said spray nozzle is formed by a nozzle body, comprising a support body with a cavity that opens at a main surface of said support body, said support body being covered by a substantially planar membrane layer at said main surface and said membrane layer being provided with a plurality of nozzle orifices throughout a thickness of said membrane layer at an area of said cavity to form a nozzle membrane that is in liquid communication with said cavity, wherein said nozzle orifices each release a microjet of said plurality of microjets, wherein said plurality of nozzle orifices comprises at least one deflecting nozzle orifice, releasing a respective microjet of said plurality of microjets under a deflected angle along a jet line that is directed away from an imaginary center line of said at least one deflecting nozzle orifice, said center line extending transverse to said substantially planar membrane layer, and wherein said at least one deflecting nozzle orifice is in open communication with a liquid flow channel that has a lateral asymmetrical flow profile in terms of a liquid flow resistance from said cavity towards said nozzle orifice.