Cleaning and liquid contact with solids – Apparatus – For work having hollows or passages
Patent
1997-02-03
1999-03-16
El-Arini, Zeinab
Cleaning and liquid contact with solids
Apparatus
For work having hollows or passages
134166R, 134169C, 1341044, 134 221, 134 1, B08B 304, B08B 310, B08B 702, B08B 900
Patent
active
058817514
ABSTRACT:
A method and an apparatus for removing residues from an inner wall surface of a liquid-filled vessel includes a submergible carrier unit drivable in liquid; a coaxial, multi-pole electrode system mounted on the carrier unit; an arrangement for steering the carrier unit to a desired location at the wall surface; and a high-power pulse generator connected with the electrode system for generating a shock wave to be applied to the wall surface at the desired location, whereby the push-pull effect of the forces derived from the shock wave causes the residues to loosen and drop off the wall surface.
REFERENCES:
patent: 4470952 (1984-09-01), Vassalotti
patent: 4699665 (1987-10-01), Scharton et al.
patent: 4847042 (1989-07-01), Musiol et al.
Derwent Publications, Ltd., XP 002044812 & SU 452 251, Nov. 12, 1997.
Derwent Publications, Ltd., XP 002044813 & ZA 8 907 864, Jul. 15, 1990.
Birkicht Bernd
Hofmann Jurgen
El-Arini Zeinab
Kelemen Gabor J.
Telerob Ges. fur Fernhantierungs-technik GmbH
TZN Forschungs- und Entwicklungs-zentrum Unterluss
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