Cleaning and liquid contact with solids – Processes – With treating fluid motion
Patent
1982-07-22
1984-10-16
Caroff, Marc L.
Cleaning and liquid contact with solids
Processes
With treating fluid motion
134 42, 239171, 244136, B08B 302
Patent
active
044772890
ABSTRACT:
A system for washing insulating components of high voltage and extra high voltage transmission lines. A helicopter provides an airborne, mobile, ungrounded, integrally bonded platform for a pressurized spray washing apparatus. The ungrounded helicopter hovers adjacent to the high voltage power lines to allow an articulating boom to be positioned to utilize a directed spray to pressure wash contamination from the insulators. A washing fluid tank and pump assembly contained in the helicopter provides high pressure washing fluid to the articulating boom and provides a self-contained system. Electrical bonding between the ungrounded helicopter and all wash apparatus components permits the helicopter to sustain prolonged energized contact with high voltage transmission source without incurring any adverse effect on the transmission line system, the aircraft or operators.
REFERENCES:
patent: 3362643 (1968-01-01), Larson et al.
patent: 3494423 (1970-02-01), Stansbury et al.
patent: 4090567 (1978-05-01), Tomlinson
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