Induced nuclear reactions: processes – systems – and elements – Handling of fission reactor component structure within... – Refueling machines
Patent
1987-05-14
1988-11-01
Jordan, Charles T.
Induced nuclear reactions: processes, systems, and elements
Handling of fission reactor component structure within...
Refueling machines
212269, G21C 1920
Patent
active
047818824
ABSTRACT:
An apparatus for loading and unloading a fuel assembly in a nuclear reactor has a bridge and trolley for positioning the fuel assembly and a pair of concentric inner and outer masts with the inner mast vertically movable in the outer mast and guide means to concentrically position the inner mast within the outer mast during such vertical movement. The guide means comprises inner members on the inner mast which cooperate with outer members on the outer mast, the outer members pivotally mounted on a framework on the outer mast for movement towards or away from the inner members. An alignment device is provided to precisely align superimposed outer members and provide vertical alignment therebetween, with an adjustment device provided to aid in the precise alignment of the same.
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patent: 4045923 (1977-09-01), Shanmugasundaram
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patent: 4663114 (1987-05-01), Cransac et al.
Hornak Leonard P.
Salton Robert B.
Jordan Charles T.
Panian M. G.
Wasil Daniel
Westinghouse Electric Corp.
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