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Aerosol generation device and inhalation device therewith

  • US 7,472,701 B2
  • Filed: 03/30/2005
  • Issued: 01/06/2009
  • Est. Priority Date: 04/07/2004
  • Status: Expired due to Fees
First Claim
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1. An aerosol generation device comprisingan oscillatable membrane for nebulization of a liquid having a first curved nonplanar region andan oscillation generating device having a support unit and an electromechanical conversion unit, being fixedly connected to the membrane such that the membrane is excitable into a desired oscillating condition such that a liquid disposed on one side of the membrane is nebulized by passing through holes in the oscillating membrane and is present on the other side of the membrane as an aerosol,whereinthe membrane has at least a second region which is surrounded by the first region,the first region and the second region have different curvatures, andthe first region and the second region are both convex outwardly in a single direction when the membrane is at rest.

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