| 摘要 |
PROBLEM TO BE SOLVED: To provide a minute bubble generator being easy to fabricate with a simple basic structure, permitting substantial reduction of the production cost owing to no need of two or more parts, unlike the prior art, and having excellent stability of bubble generation. SOLUTION: The confronting smooth surface 41 of a vibrator 4 is arranged so as to oppose the fixed smooth surface 21 of the body 2 of the apparatus having a discharge outlet 31 of a fluid conduit 3 opened toward the center of the body. The vibrator is connected through reciprocating support mechanisms 5 which are arranged at two or more positions of the vibrator at nearly balanced intervals so as to be switchable between a posture making the smooth surfaces seal tightly and a posture making the smooth surfaces spaced apart from each other at a predetermined interval. COPYRIGHT: (C)2006,JPO&NCIPI
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