Method for jet gas impingement quenching
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United States of America Statutory Invention Reg
Stats
-
May 1, 1990
Grant Date -
N/A
app pub date -
May 19, 1987
filing date -
May 19, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method and apparatus is provided for quenching a metal workpiece by an inert gas at ambient temperature. Jet streams of gas coolant at high velocity and flow rates are directed in a balanced arrangement against opposing workpiece sides and the jets are correlated to the thickness of the workpiece sections to achieve uniform cooling rates with minimal workpiece distortion. A flow straightening grid in combination with a variable sized aperture plate achieves the desired jet streams in an adjustable plenum arrangement which directs the streams against the top and bottom surfaces of the workpiece.
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