INSPECTION APPARATUS FOR REACTOR BOTTOM MOUNTED INSTRUMENTATION NOZZLE
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United States of America Patent
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N/A
Issued Date -
Oct 2, 2008
app pub date -
Sep 7, 2007
filing date -
Dec 14, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is an inspection apparatus for a reactor BMI nozzle. The apparatus includes a motor, a ball screw, a guide, and a coil spring. The motor is installed at a transmission of a bracket provided under a quick connector of an ROSA-V six-axis system and enables vertical driving of an inspection probe. The ball screw converts a rotary motion of the motor into a vertical motion and vertically reciprocating the inspection probe. The guide compels an axial arrangement of the inspection probe and removes eccentricity generated when the inspection probe is inserted into the nozzle. The coil spring is installed above the guide and prevents an impact propagation of an instrument.
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