| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for forming minute air bubbles in a liquid to make the liquid to generate heat and a technique to which the feature for raising the temperature of the liquid is added as a value added. SOLUTION: In the use state of the device, suction pressure is at least once set to a strong suction state. That is, low pressure of a numerical value exceeding 110% is set with respect to suction low pressure at the time of rated operation of a vortex flow pump. The thermodynamical energy possessed themselves by minute bubbles, which are repeatedly circulated by suction/discharge is made easy to release in adiabatic compression and atmospheric release. COPYRIGHT: (C)2011,JPO&INPIT
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