Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1979-12-21
1981-03-24
Williams, Howard S.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
20412925, 2041295, B23P 102, B23P 114
Patent
active
042578655
ABSTRACT:
The electrochemical working method according to the invention comprises the use of two electrodes whereof one oscillates with respect to the other. Voltage pulses are applied to the electrodes in synchronization with the oscillation and are continued to be applied thereto when the electrodes are found at a minimum distance from one the other. As the electrodes are brought apart, cavitation is produced in the interelectrode gap, which phenomenon is accompanied by a change in the relative resistance of the gap. A cavitation transducer is used to measure a parameter which unambiguously determines the cavitation intensity corresponding to a preset minimum gap. In order to control the electrochemical treatment process, a comparator produces a signal equal to the difference between a signal corresponding to the actual relative value of the parameter function and formed by a computing unit, and a signal corresponding to a predetermined value of the parameter. The output signal of the comparator is used to control the width of the interelectrode gap and the pressure at its inlet, whereby one can effectively maintain the cavitation parameter and the relative resistance of the gap at a desired level.
REFERENCES:
patent: 3280016 (1966-10-01), Bass et al.
patent: 3714005 (1973-01-01), Drushel
patent: 3758739 (1973-09-01), De Jongh et al.
patent: 3859186 (1975-01-01), Ullmann et al.
Bezrukov Sergei V.
Gimaev Nasikh Z.
Maximov Ivan V.
Rabinovich Vladimir B.
Semashko Andrei P.
Valentine D. R.
Williams Howard S.
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