Title:
微細気泡発生装置
Document Type and Number:
Japanese Patent JP5735354
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a microbubble generation device wherein clogging of an air vent valve by small foreign matter such as dust or a lump of oil does not occur.SOLUTION: This microbubble generation device includes: a gas discharge pipe 24 communicating with an upper pipe opening part 25 provided above a liquid surface stored inside a tank body 11, and discharging surplus gas inside the tank body 11; and an on-off valve element 30 which is provided in the gas discharge pipe 24, and wherein a pressurizing pump performs pressurization with a prescribed pressure in time of normal operation to close a flow passage of a fluid of the gas discharge pipe 24. The inner face of the gas discharge pipe 24 is formed with slit parts which are recessed grooves for making the flow passage of the gas discharge pipe 24 partially communicate in a state that the flow passage of the fluid of the gas discharge pipe 24 is closed by the on-off valve element 30 in time of the normal operation of the pressurizing pump.
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Inventors:
Cao Ginharu
Nobuaki Utsumi
Nobuaki Utsumi
Application Number:
JP2011128772A
Publication Date:
June 17, 2015
Filing Date:
June 09, 2011
Export Citation:
Assignee:
Sanphase Electric Co., Ltd.
International Classes:
B01F1/00; B01F3/04; B01F5/02; B01F5/04; B01F15/02
Domestic Patent References:
| JP2008006397A | ||||
| JP2010247121A | ||||
| JP2009112909A | ||||
| JP50115625U | ||||
| JP3021641U | ||||
| JP2000308894A | ||||
| JP1153125A | ||||
| JP2003184757A |
Attorney, Agent or Firm:
Kenichi Maeda