Heat exchange – With alarm – indicator – signal – register – recorder – test or...
Patent
1990-07-02
1992-12-01
Hunt, Brooks H.
Heat exchange
With alarm, indicator, signal, register, recorder, test or...
376245, 376248, 376249, 376316, 165 112, 122379, 122390, 122392, 414 8, 414749, 901 23, 901 24, 901 25, 901 44, F28F 1700
Patent
active
H00011150
ABSTRACT:
A robot arm apparatus is provided for inspecting and/or maintaining an interior of a steam generator which has an outside wall and a port for accessing the interior of the steam generator. The robot arm apparatus includes a flexible movable conduit for conveying inspection and/or maintenance apparatus from outside the steam generator to the interior of the steam generator. The flexible conduit has a terminal working end which is translated into and around the interior of the steam generator. Three motors located outside the steam generator are employed for moving the terminal working end inside the steam generator in "x", "y", and "z" directions, respectively. Commonly conducted inspection and maintenance operations include visual inspection for damaged areas, water jet lancing for cleaning sludge deposits, core boring for obtaining sludge deposits, and scrubbing of internal parts.
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Carroll Chrisman D.
Constant Richard E.
Hunt Brooks H.
Kosovich Judy K.
Moser William R.
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