Electrohydraulic transducer for cleaning the inner surface of pi

Details Electrohydraulic transducer for cleaning the inner surface of pi Electrohydraulic transducer for cleaning the inner surface of pi

1997-05-20

1999-09-07

El-Arini, Zeinab

Cleaning and liquid contact with solids

Processes

Including application of electrical radiant or wave energy...

134 11, 134 8, 134 2211, 134 2212, 134 34, 134166C, 134169C, B08B 310, B08B 312, B08B 702, B08B 900

Patent

active

059481714

ABSTRACT:
An electrohydraulic transducer (10) for generating pulsed acoustic waves within a fluid-filled pipeline and a method of cleaning a fluid-filled pipeline with acoustic waves. A housing (11) contains a ground electrode (13) and a high voltage electrode (15), which are spaced to create a spark gap. The ground electrode (13) is connected to one conductor of a coaxial cable (14). The high voltage electrode (15) is connected to another conductor of the coaxial cable (14). Electrical pulses applied to the high voltage electrode (15) result in pulsed acoustic waves. The housing has slots (11a), which permit the acoustic waves to emanate radially from the transducer (10).

REFERENCES:
patent: 3267710 (1966-08-01), Inoue
patent: 3593551 (1971-07-01), Roth et al.
patent: 3797294 (1974-03-01), Roth

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