Induced nuclear reactions: processes – systems – and elements – Handling of fission reactor component structure within... – Refueling machines
Patent
1988-08-19
1990-05-22
Wasil, Daniel
Induced nuclear reactions: processes, systems, and elements
Handling of fission reactor component structure within...
Refueling machines
G21C 1900
Patent
active
049275950
ABSTRACT:
Refueling apparatus for a nuclear reactor including a bridge and a trolley movable at right angles to each other over a pit. The trolley carries a mast assembly for engaging, raising, lowering reactor component assemblies.
The mast assembly carries electric cables and compressed air hoses from electric and air driven components on the mast and is rotatable relative to the trolley. The cables and hoses are passed from the mast assembly through a flexible cable tray which is oriented with its cable-carrying slot vertically in the configuration generally of an S. The cable tray is connected to the mast at one of its ends, is partly wound around the mast from that end and departs from the mast a predetermined distance at the opposite end. The tray remains fixed at the opposite end as it is wound on or unwound from the mast, so that the cables and hoses as they pass from the opposite end to electrical and air terminals as the trolley remains anchored at the opposite end.
The winch and the reels for cables and hoses are mounted on the rotatable mast. On rotation of the mast, these reels with the parts that they carry and the air hose are carried along by the rotation. The fouling of the cables or hoses by the conductors is precluded.
REFERENCES:
patent: 4311557 (1982-01-01), Kowalski et al.
patent: 4511531 (1985-04-01), Swidwa et al.
patent: 4832902 (1989-05-01), Kaufmann et al.
Hornak Leonard P.
Kaufmann John W.
Swidwa Kenneth J.
Diamond H.
Wasil Daniel
Westinghouse Electric Corp.
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