Atomising nozzles

Details Atomising nozzles Atomising nozzles

B - Operations, Transporting

05

B

B05B 1/26 (2006.01) B05B 1/00 (2006.01) B05B 11/00 (2006.01)

Patent

CA 2097701

The present invention provides a method for discharging a fluid, notably an aqueous medicament solution, as a spray of droplets by causing a fluid to flow through a nozzle orifice (104), which method is characterised in that a secondary flow is in- duced in at least part of the flow of fluid through the nozzle orifice aperture (104) by a direction changing means (106) located within the bore of the nozzle passage, and/or at or immediately adjacent an end of the nozzle passage and/or at or immediately adjacent the nozzle orifice aperture. Preferably the direction changing means induces a secondary flow at the nozzle orifice which is equivalent to at least 10 % of the fluid flowing at an exit angle of 90° to the overall. line of travel of the remainder of the fluid. The invention also provides a nozzle assembly for use in the method of the invention and a spray generating device incorporating the nozzle assembly.

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