초록

A method and a device for the atomization of a liquid by directing a jet of liquid onto a hot contact surface, in particular a deflecting surface, so that a part of the liquid is vaporized. The non-vaporized liquid is atomized into small droplets that form an aerosol.

대표청구항 ▼

What is claimed is: 1. Method for the atomization of a liquid, comprising the steps of: directing a liquid as a jet onto a hot or heated contact surface and, partially vaporizing the liquid with hot or heated contact surface in order to atomize the liquid in a non-directed manner into small droplet

What is claimed is: 1. Method for the atomization of a liquid, comprising the steps of: directing a liquid as a jet onto a hot or heated contact surface and, partially vaporizing the liquid with hot or heated contact surface in order to atomize the liquid in a non-directed manner into small droplets and generating an aerosol. 2. Method according to claim 1, wherein small amounts of the liquid are atomized in at least one of in succession and in parallel. 3. Method according to claim 2, wherein each individual amount is atomized into a plurality of droplets. 4. Method according to claim 1, wherein the liquid (2) is atomized into droplets without employing side walls. 5. Method according to claim 1, wherein the volume flow of the atomized liquid is at least 30 μl/sec. 6. Method according to claim 1, wherein the liquid (2) is delivered during the atomization at least one of continuously, only in the form of a defined or focused jet and as a free jet (4) onto the contact surface (5). 7. Method according to claim 1, wherein the jet diameter is adjusted, controlled or regulated in order to achieve at least one of a desired droplet size, propagation velocity of the aerosol and a jet diameter is less than 1 to 50 μm. 8. Method according to claim 1, wherein the aerosol (7) is metered by metering the jet (4). 9. Method according to claim 1, wherein the liquid flow or jet flow is dispensed at at least one of about 5 to 100 μl/s in metered doses of about 10 to 100 μl. 10. Method according to claim 6, wherein the liquid is dispensed as a free jet having a length that is less that 1 mm. 11. Method according to claim 1, wherein the liquid (2) is delivered for the atomization simultaneously in a plurality of jets (4). 12. Method according to claim 1, wherein the liquid (2) is deflected on the contact surface. 13. Method according to claim 1, wherein the temperature of the contact surface (5) is adjusted, controlled or regulated in order to achieve at least one of a desired droplet size and propagation velocity of the aerosol (7). 14. Method according to claim 1, wherein the temperature of the contact surface (5) is at least 20° C. above at least of a constituent of the liquid. 15. Method according to claim 1, wherein the contact surface (5) is at least one of electrically heated, heated by light radiation and chemically heated. 16. Method according to claim 1, wherein the liquid (2) impacts at an angle of 10° to 90° on the contact surface (5). 17. Method according to claim 1, wherein the impact angle of the liquid (2) on the contact surface (5) is adjusted, controlled or regulated in order to achieve at least one of a desired droplet size and propagation velocity of the aerosol (7). 18. Method according to claim 1, wherein the liquid (2) is delivered at, or strikes the contact surface (5) at a pressure of 0.05 to 3 MPa. 19. Method according to claim 1, wherein the delivery pressure of the liquid (2) is adjusted, controlled or regulated in order to achieve at least one of a desired droplet size and propagation velocity of the aerosol (7). 20. Method according to claim 1, wherein the aerosol (7) is generated only by at least one of partial vaporization and the liquid being directed only as a focused or defined jet (4) of liquid (2) onto the contact surface (5). 21. Method according to claim 1, wherein only up to 15 Vol. % of the liquid (2) is vaporized when impinging onto the contact surface (5). 22. Method according to claim 1, wherein the propagation velocity of the aerosol (7) is less than 1 m/sec. 23. Method according to claim 1, wherein at least one of the mean diameter of the droplets (6) is less than 10 μm and the mean volume of the droplets (6) is less than 1 pl. 24. Method according to claim 1, wherein a medicament formulation or a cosmetic agent is used as liquid (2) and atomized.