BUBBLE GENERATING DEVICE

Title:

BUBBLE GENERATING DEVICE

Document Type and Number:

WIPO Patent Application WO/2018/021330

Kind Code:

A1

Abstract:

The purpose of the present invention is, in a bubble generating device provided with a bubble generating unit for generating minute bubbles in water flowing through the inside of the cylindrical main body unit, to improve the bubble generating efficiency of the bubble generating unit. Provided is a bubble generating device provided with a cylindrical main body unit and a bubble generating unit disposed within the main body, wherein: the bubble generating unit is provided with slits extending radially centered on one point within the main body unit in a cross-sectional plane of the main body unit, and a column part protruding from the inner peripheral surface of main body unit and formed on the peripheral edge of the slits; and the amount of protrusion of the column part is gradually reduced toward the upstream side from the peripheral edges of the slits, and the column part has a recessed part formed on the downstream surface.

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Inventors:

SHIBATA YOSHIKI (JP)
HANAMURA KOUJI (JP)
SAKAMOTO YOSHITAKA (JP)

Application Number:

PCT/JP2017/026902

Publication Date:

February 01, 2018

Filing Date:

July 25, 2017

Export Citation:

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Assignee:

SHIBATA CORP (JP)

International Classes:

B01F23/00

Domestic Patent References:

WO2008139728A1

2008-11-20

Foreign References:

JP2008018330A	2008-01-31
JPH1114035A	1999-01-22
US20070045198A1	2007-03-01
US9046115B1	2015-06-02
JPH08131800A	1996-05-28
JPS5712292B2	1982-03-10
JP2008018330A	2008-01-31
JP6077627B1	2017-02-08

Other References: