Ultrasonic washing device

Details Ultrasonic washing device Ultrasonic washing device

2004-02-25

2009-06-23

Stinson, Frankie L (Department: 1792)

Cleaning and liquid contact with solids

Apparatus

With movable means to cause fluid motion

C134S198000

Reexamination Certificate

active

07549429

ABSTRACT:
In an ultrasonic washer for washing by splaying washing toward an object to be washed or a portion to be washed from a front end of a nozzle, a part of an ultrasonic wave propagation member connected to an ultrasonic transducer is protruded into a cavity of the nozzle into which the washing is filled in order to propagate ultrasonic vibration generated by the ultrasonic transducer to the washing efficiently. Furthermore, the ultrasonic wave propagation member is formed so that a cross-sectional area becomes gradually smaller as approaching to the front end thereof, so that the ultrasonic vibration is converged to the end face of the ultrasonic wave propagation member. Still furthermore, a length of the ultrasonic transducer and the ultrasonic wave propagation member is made to be integral multiplication of a half-wavelength of ultrasonic standing wave oscillation, and the end face of the ultrasonic wave propagation member from which the ultrasonic wave is emitted to the washing is disposed at a position of antinode of the ultrasonic standing wave oscillation where the amplitude becomes the largest.

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English language Abstract of JP6-218337.
English language Abstract of JP 2001-310094.
English language Abstract of JP 2002-66477.
English language Abstract of JP 9-141220.
English language Abstract of JP 2000-246199.
English language Abstract of JP 9-122612.
English language Abstract of JP 5-277413.

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