Title:
BUBBLE GENERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/189272
Kind Code:
A1
Abstract:
Disclosed is a bubble generation device (1) that generates fine bubbles in a liquid by vibration. The bubble generation device (1) comprises: a vibration plate (2) in which a plurality of pores (openings) are formed, one face of which contacts water (liquid) in a water tank (10), and the other face of which contacts air; and a piezoelectric element (4) that vibrates the vibration plate (2). The vibration direction in which the vibration plate (2) vibrates includes at least a direction that differs from the direction in which the air flows through the plurality of pores (openings).
Inventors:
FUJIMOTO KATSUMI (JP)
KOGI YOSHIHIRO (JP)
KOGI YOSHIHIRO (JP)
Application Number:
PCT/JP2020/009072
Publication Date:
September 24, 2020
Filing Date:
March 04, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
B01F3/04; B01F11/02
Foreign References:
| JP2006087984A | 2006-04-06 | |||
| JP2016209825A | 2016-12-15 | |||
| JP2017176979A | 2017-10-05 | |||
| JPS6039139B2 | 1985-09-04 | |||
| JP2007253000A | 2007-10-04 | |||
| JP2003093858A | 2003-04-02 | |||
| JP2008093902A | 2008-04-24 | |||
| JPH0623994A | 1994-02-01 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
Download PDF:
Previous Patent: BUBBLE GENERATION DEVICE
Next Patent: FILM AND METHOD FOR MANUFACTURING RECOVERED FILM USING SAME
Next Patent: FILM AND METHOD FOR MANUFACTURING RECOVERED FILM USING SAME