Ultrasonic nebulizer with controlled mis output

Ultrasonic nebulizer with controlled mis output

An ultrasonic nebulizer includes a piezoelectric element 100 that vibrates responsive to a drive signal having an alternating voltage. A nebulizing layer 210 that may be a passive resonator is bonded to a first surface of the piezoelectric element and has an outer surface that transforms a liquid in...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: MICHAEL RON HAMMER, ALAN JOHN ROPER
Format: Patent
Sprache:eng
Schlagworte:
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
ATOMISING APPARATUS
NOZZLES
PERFORMING OPERATIONS
SPRAYING APPARATUS
SPRAYING OR ATOMISING IN GENERAL
TRANSPORTING
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Beschreibung
Zusammenfassung:An ultrasonic nebulizer includes a piezoelectric element 100 that vibrates responsive to a drive signal having an alternating voltage. A nebulizing layer 210 that may be a passive resonator is bonded to a first surface of the piezoelectric element and has an outer surface that transforms a liquid into a mist responsive to vibration of the piezoelectric element. A heat sink pad (300 figure 7) is in thermal contact with a heat sink (400 figure 7) and the passive resonator to dissipate heat from the piezoelectric element. The surface 202 of the passive resonator may be roughened to guide flow of liquid.