A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
15/1, 257/1
A47L 25/00 (2006.01) B08B 7/02 (2006.01) F28G 7/00 (2006.01) G10K 15/04 (2006.01)
Patent
CA 1224605
ABSTRACT A sonic cleaning device and method for removing accumulated fine particles from surfaces such as in heat ex- changers using sonic energy vibrations. In the invention, a gas is passed through a tube having internally corrugated walls and having the tube outlet end attached to the inlet end of an expanding horn. The gas flows past the corruga- tions at high velocity and produces high intensity sonic vibrations within the tube, and the vibrations are amplified by passage through the horn. The horn outlet is directed at a surface to be cleaned and the accumulated particles are fluidized by the sonic energy and removed from the surface by the flowing gas and/or by gravity.
444765
Hall Richard I.
Foster Wheeler Limited
Meredith & Finlayson
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