Cleaning and liquid contact with solids – Apparatus – Having self cleaning means
Patent
1989-05-24
1992-06-23
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
Having self cleaning means
134166C, 134184, 239106, B08B 310
Patent
active
051234335
ABSTRACT:
An ultrasonic cleaning apparatus and method is provided for a venturi flow nozzle which is mounted in a pipe having fluid flowing therethrough. The apparatus includes a plurality of ultrasonic transducers mounted in openings provided upstream of the venturi flow nozzle inlet. The transducers transmit ultrasonic waves directly into and thereby excite the fluid flowing through the venturi flow nozzle and create cavitation which cleans the nozzle. Additional transducers are preferably provided in the throat area of the venturi flow nozzle. In alternative embodiments, the transducers are mounted in high and low pressure taps associated with the venturi flow nozzle such that the transducers directly transmit ultrasonic waves into fluid flowing into the high and low pressure taps. The transducers may be mounted flush with the interior of the pipe or venturi flow nozzle, or the transducers may be mounted at a position spaced therefrom in the high and low pressure tap piping.
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Fridsma Daniel E.
Silvestri, Jr. George J.
Twerdochlib Michael
Stinson Frankie L.
Westinghouse Electric Corp.
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