Apparatus for the inspection of a nuclear reactor fuel assembly
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United States of America Patent
Stats
-
Jul 11, 1989
Grant Date -
N/A
app pub date -
Sep 18, 1987
filing date -
Sep 20, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for the inspection of a nuclear reactor fuel assembly in a water-filled pool having fuel rods with spaces therebetween includes an encapsulated housing having walls and being disposed in the water-filled pool. A lever drive mechanism is disposed in the housing. A rotary transmission connected to the lever drive mechanism extends through one of the walls of the housing toward the surface of water in the pool. A plurality of stationarily disposed lever linkages jut out from the rotary transmission outside the housing. Each of the lever linkages has an end facing away from the rotary transmission. Carriers are each connected to a respective one of the ends of the lever linkages. Probes are each disposed on a respective one of the carriers. Ultrasonic test heads are each disposed on a respective one of the probes for insertion into the spaces between the fuel rods.
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