Mechanisms for firing projectiles and methods of their use
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United States of America Patent
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Oct 4, 2016
Grant Date -
May 21, 2015
app pub date -
Mar 18, 2013
filing date -
May 10, 2012
priority date (Note) -
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Abstract
A method of firing projectiles without the use of cartridge cases by electronically controlling the dynamics of internal ballistics created by combustion of Nitrous Oxide and a fuel injected under high pressure at oxygen rich or stoichiometric ratios. The shape of injector nozzles and the combustion chamber as well as a timed sequence of Nitrous Oxide injection, fuel injection and their ignition are used to create correct ballistics. The timing of the injection and ignition sequence is automatically altered dynamically by an electronic control unit that obtains information from sensors and from an operator to tune the combustion for each firing so that the internal ballistic pressure versus time curve is favorable.
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