Water Jet Peening Apparatus and Water Jet Peening Method
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United States of America Patent
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Issued Date -
Aug 21, 2014
app pub date -
Feb 14, 2014
filing date -
Feb 15, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a water jet peening apparatus, a high-pressure under-water pump is installed on an upper end of a casing and an injection nozzle drive mechanism equipped with an injection nozzle is attached to the casing. A high-pressure hose whose one end is connected to the high-pressure under-water pump is disposed in the casing and the other end of the high-pressure hose is connected to the injection nozzle. The casing is seated at an upper end of a control rod drive mechanism housing and the high-pressure under-water pump is driven. The high-pressure water pressurized by the high-pressure under-water pump is supplied to the injection nozzle through the high-pressure hose in the casing and is jetted toward the weld portion between the control rod drive mechanism housing and a stub tube. The time required for a water jet peening operation can be shortened.
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