Cleaning and liquid contact with solids – Processes – Including application of electrical radiant or wave energy...
Patent
1976-03-18
1978-10-17
Wolk, Morris O.
Cleaning and liquid contact with solids
Processes
Including application of electrical radiant or wave energy...
165 1, 165 84, 165 95, B08B 312, B08B 1702, F28G 700
Patent
active
041206991
ABSTRACT:
In one exemplary embodiment, the efficiency of an acoustic-energy-type cleaner for vessels, such as heat exchangers, is substantially increased by propagating through the fluid in the vessel, a plurality of opposing acoustic wave trains, and continuously varying at least the frequency or phase relationship of said opposing wave trains for causing constructive interference between said opposing acoustic waves to create a series of augmented acoustic waves that are spatially displaced in relation to each other and successive in time interval for sweeping over the surfaces of the body to be cleaned.
REFERENCES:
patent: 2650872 (1953-09-01), Goldwasser
patent: 3295596 (1967-01-01), Ostrofsky et al.
patent: 3371233 (1968-02-01), Cook
patent: 3614069 (1971-10-01), Murray
Kennedy, Jr. Alvin B.
Magee Robert L.
Sharp Harper Eugene
Shirey Lawrence E.
Trowbridge Lawrence E.
Garris Bradley
Kennedy, Jr. Alvin B.
Matthews Guy E.
Wolk Morris O.
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