Ultrasonic treatment apparatus

Details Ultrasonic treatment apparatus Ultrasonic treatment apparatus

1995-07-07

1998-09-22

Stinson, Frankie L.

Cleaning and liquid contact with solids

Apparatus

With treating fluid purifying or separating means

134184, 96174, B08B 310

Patent

active

058100377

ABSTRACT:
There is disclosed an ultrasonic cleaning apparatus in which the amount of gas dissolved in a cleaning liquid in a cleaning vessel is reduced, thereby enabling a cleaning operation efficiently. The cleaning liquid stored in the cleaning vessel, cleans articles, immersed therein, by a cavitation phenomenon caused by an ultrasonic vibrator. The cleaning liquid is fed to a degassing vessel by a discharge pump through a discharge pipe, and is returned to the cleaning vessel by a supply pump through a supply pipe. Thus, the cleaning liquid is circulated between the two vessels. Gas, dissolved in the cleaning liquid in the degassing vessel, makes bubbles since the degassing vessel is kept to a vacuum, so that the cleaning liquid containing a reduced amount of dissolved gas is stored in the cleaning vessel. Therefore, bubbles are less produced by the ultrasonic vibrator, and the cleaning operation can be carried out efficiently.

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