Microfluidic flame barrier
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United States of America Patent
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Nov 5, 2013
Grant Date -
Nov 8, 2012
app pub date -
Jul 13, 2012
filing date -
Dec 4, 2006
priority date (Note) -
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Abstract
Propellants flow through specialized mechanical hardware that is designed for effective and safe ignition and sustained combustion of the propellants. By integrating a micro-fluidic porous media element between a propellant feed source and the combustion chamber, an effective and reliable propellant injector head may be implemented that is capable of withstanding transient combustion and detonation waves that commonly occur during an ignition event. The micro-fluidic porous media element is of specified porosity or porosity gradient selected to be appropriate for a given propellant. Additionally the propellant injector head design integrates a spark ignition mechanism that withstands extremely hot running conditions without noticeable spark mechanism degradation.
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