US Patent 7147732 Quenching method and apparatus
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Patent Inventor Names
Paul Stratton0
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Patent abstract
A hot object is quenched after heat treatment. A hot gas stream having at least 20% by volume of hydrogen is taken from for example a carburising chamber of a furnace. The gas is cooled by passage through a heat exchanger, and is compressed in a compressor. The compressor has an aftercooler (not shown) to remove heat of compression from the gas. The cooled, compressed gas flows through nozzles into a quenching chamber. The gas leaves the nozzles at a velocity of at least 50 m/s and impinges upon the hot metal object so as to effect its quenching.
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US Patent 07147732 Quenching method and apparatus US Patent 7147732 Quenching method and apparatus
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Patent Number
071477320
Patent Number
71477320
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Patent Number
071477320
Date of Patent
December 12, 2006
0Patent Application Number
104332720
Date Filed
November 30, 2001
0Official Website
Patent Primary Examiner
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US Patent 07147732 Quenching method and apparatus
Infobox
Is a
Patent jurisdiction
Patent number
07147732
Date of patent
December 12, 2006
Patent application number
10433272
Date Filed
November 30, 2001
Patent primary examiner
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