Nozzle throat for thermal processing and torch equipment
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United States of America Patent
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Jan 31, 2017
Grant Date -
Aug 27, 2015
app pub date -
Feb 18, 2015
filing date -
Feb 24, 2014
priority date (Note) -
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Abstract
A nozzle assembly includes an upper portion defining an opening for receiving a gas and a longitudinally extending cylindrical body portion adjacent to the upper portion and defining a passageway for the gas. The nozzle assembly also includes a tip portion adjacent to the body portion, with the tip portion defining a throat channel. The throat channel includes a throat inlet region that focuses a flow of the gas. The throat inlet region is fluidly connected to the passageway via a throat inlet opening. The throat channel also includes an acceleration region that is disposed downstream of the throat inlet region and fluidly connected to the throat inlet region to compress the gas and accelerate the flow of the gas. The throat channel further includes an expansion region disposed downstream of the acceleration region and fluidly connected to the acceleration region to allow the gas to expand.
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