Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Patent
1988-07-07
1991-08-20
McFarlane, Anthony
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
134 2214, 134 2217, 134 2218, 134 55, 134 88, 134175, 134176, 174154, 174158R, 239104, B08B 302
Patent
active
050411640
ABSTRACT:
Apparatus for washing the disc portions of an electrical insulator includes first and second mating housing portions for positioning about the discs and fluid lines for delivering a cleansing fluid through the housing portions for cleaning the surface of the discs. The two mating housing portions preferably define a basin for collecting the cleansing fluid and facilitating removal of the cleansing fluid after use. A support assembly including a robotic arm positions the first and second mating housing portions about the discs of the electrical insulator for cleaning. A cleaning liquid such as water or freon or a cleaning gas such as air or steam is applied through the mating housing portions for cleaning the surface of the discs. Following the cleaning, a surface-enhancing material such as a silicone coating can be applied to the surface of the insulator for protection from future contamination and make the insulator more resistant to electrical or mechanical degradation.
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patent: 2858555 (1958-11-01), Medovick
patent: 3074649 (1963-01-01), Atkinson
patent: 3606172 (1971-09-01), Kazuyuki et al.
patent: 3783972 (1974-01-01), Molstad
patent: 3916925 (1975-11-01), Crump
patent: 4039048 (1977-08-01), Safholm
patent: 4063617 (1977-12-01), Shenk
patent: 4169427 (1979-10-01), Crump et al.
Electric Power Research Institute
McFarlane Anthony
Woodward Henry K.
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