Title:
BUBBLE GENERATION DEVICE AND BUBBLE GENERATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/190570
Kind Code:
A1
Abstract:
This bubble generation device (1) is provided with a vibrating plate (2), a first cylindrical body (31), a spring part (32), a second cylindrical body (33), and a piezoelectric element (4). The vibrating plate (2) has a plurality of opening parts formed therein, and is provided in a position so that one surface is in contact with a liquid and another surface is in contact with a gas. The first cylindrical body (31) holds the vibrating plate (2) at one end. The spring part (32) is plate-shaped and supports the other end of the first cylindrical body (31). The second cylindrical body (33) supports, at one end, a position of the spring part (32) which is outwards of the position where the first cylindrical body (31) is supported. The piezoelectric element (4) vibrates the spring part (32). The spring part (32) has a communication part (32a) for allowing gas to flow from a side surface into the first cylindrical body (31) on the other surface side of the vibrating plate (2).
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Inventors:
FUJIMOTO KATSUMI (JP)
Application Number:
PCT/JP2021/047549
Publication Date:
September 15, 2022
Filing Date:
December 22, 2021
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
B01F23/20; B01F25/40; B01F31/00
Domestic Patent References:
| WO2020189270A1 | 2020-09-24 | |||
| WO2020189271A1 | 2020-09-24 | |||
| WO2020189272A1 | 2020-09-24 | |||
| WO2018207395A1 | 2018-11-15 |
Foreign References:
| JP2006087984A | 2006-04-06 | |||
| JP2004097851A | 2004-04-02 | |||
| JP2001197594A | 2001-07-19 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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