Generating method and generator for generating mist or fine-bubble by using surface acoustic wave

A generating method for generating one of mist and fine-bubbles or fine-bubbles is provided. The generating method includes arranging a piezoelectric substrate equipped thereon with an excitation source in a liquid, generating a flow of the liquid using a liquid flow generator that generates the flo...

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Bibliographische Detailangaben
Hauptverfasser:	Fujiwara, Shigeki, Okano, Masanori, Ishigami, Youhei
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS CLEANING CLEANING IN GENERAL ELECTRICITY FOR PERFORMING MECHANICAL WORK IN GENERAL GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING NOZZLES PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREVENTION OF FOULING IN GENERAL SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	A generating method for generating one of mist and fine-bubbles or fine-bubbles is provided. The generating method includes arranging a piezoelectric substrate equipped thereon with an excitation source in a liquid, generating a flow of the liquid using a liquid flow generator that generates the flow of the liquid relative to the piezoelectric substrate, exciting a surface acoustic wave on the excitation source, propagating the excited surface acoustic wave so as to generate mist on a gas side and to generate fine-bubbles on a liquid side of the piezoelectric substrate, carrying the generated fine-bubbles away from the piezoelectric substrate with the generated flow of the liquid, and drawing the liquid containing the fine-bubbles from a liquid container which contains the liquid.