DEFOAMING METHOD AND DEFOAMING DEVICE - TOYO SEIKAN KAISHA LTD

Title:

DEFOAMING METHOD AND DEFOAMING DEVICE

Document Type and Number:

WIPO Patent Application WO/2012/120915

Kind Code:

A1

Abstract:

The objective of the present invention is to obtain an effective defoaming effect by directing a pulsed sound wave generated by shock caused by laser-induced breakdown to a liquid surface using an acoustic waveguide. A reflected wave of the pulsed sound wave generated by shock caused by laser-induced breakdown on an inner circumference face of the acoustic waveguide is directed to an opening part of the acoustic waveguide opposed to the liquid surface, and variations in periods of time in which the reflected wave in each travelling direction arrives at the opening part are reduced.

Inventors:

TATSUMI YOSHITAKA (JP)
KIMURA YOSHIHIKO (JP)
NAKANE YUUYA (JP)
MORITA YOSHIYUKI (JP)

Application Number:

PCT/JP2012/050341

Publication Date:

September 13, 2012

Filing Date:

January 11, 2012

Export Citation:

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Assignee:

TOYO SEIKAN KAISHA LTD (JP)
TATSUMI YOSHITAKA (JP)
KIMURA YOSHIHIKO (JP)
NAKANE YUUYA (JP)
MORITA YOSHIYUKI (JP)

International Classes:

B01D19/02; B65B3/22; B67C3/22

Domestic Patent References:

WO2007086339A1	2007-08-02
WO2007086339A1	2007-08-02

Foreign References:

JP2002520226A	2002-07-09
JPS63252509A	1988-10-19
JPS63104620A	1988-05-10
JP2007061717A	2007-03-15
JPS63252509A	1988-10-19

Other References: