Title:
ULTRAFINE BUBBLE MAKER AND ULTRAFINE BUBBLE WATER PREPARING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/138248
Kind Code:
A1
Abstract:
This ultrafine bubble water preparing device 1 is provided with: a volute pump 3; an ejector 4; a cascade pump 6; a branch part P on the downstream side of the cascade pump 6; a return passage 7 connected from the branch part P to a portion between the ejector 4 and the cascade pump 6; a flow rate adjusting valve 9 and a first ultrafine bubble maker 2A which are provided in the return passage 7; a discharge path 8 connected to the branch part P; and a second ultrafine bubble maker 2B and a control device 13 which are provided in the discharge path 8. The control device 13 adjusts an air amount adjusting valve 5, the volute pump 3, the cascade pump 6, and the flow rate adjusting valve 9, on the basis of a measured value of a densitometer 10 in the discharge path 8 and measured values of first and second pressure gauges 11, 12 on the upstream and downstream sides of the cascade pump 6.
Inventors:
KOBAYASHI YOSHIKAZU (JP)
KOBAYASHI HIDEMASA (JP)
HAYASHI MASAHIDE (JP)
FUJIWARA KOJI (JP)
ISHII ETSUO (JP)
KOBAYASHI HIDEMASA (JP)
HAYASHI MASAHIDE (JP)
FUJIWARA KOJI (JP)
ISHII ETSUO (JP)
Application Number:
PCT/JP2019/051036
Publication Date:
July 02, 2020
Filing Date:
December 25, 2019
Export Citation:
Assignee:
MIIKE TEKKOU KK (JP)
International Classes:
B01F3/04; B01F5/00; B01F5/10; B01F15/02; B01F15/04
Domestic Patent References:
| WO2018021217A1 | 2018-02-01 |
Foreign References:
| JP2011115674A | 2011-06-16 | |||
| JP2013081944A | 2013-05-09 | |||
| JP2007301460A | 2007-11-22 | |||
| JP2008272722A | 2008-11-13 | |||
| JP2012239953A | 2012-12-10 | |||
| JP2002011335A | 2002-01-15 | |||
| JP2011031129A | 2011-02-17 | |||
| JP2017094300A | 2017-06-01 | |||
| JP2018065095A | 2018-04-26 | |||
| JP2014200762A | 2014-10-27 |
Other References:
See also references of EP 3903915A4
Attorney, Agent or Firm:
MORIKAWA, Jun (JP)
Download PDF: