FEED SYSTEM AND A METHOD OF SUPPRESSING THE POGO EFFECT
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United States of America Patent
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Nov 10, 2016
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May 17, 2011
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Abstract
A feed system for feeding a rocket engine with a liquid propellant includes a feed circuit, and a device to vary a volume of gas in the feed circuit. The device is configured to cause a volume of gas in the feed circuit to vary while the rocket engine is in operation. The device to vary gas volume includes at least one variable-flow-rate gas injector to inject gas into the liquid propellant in the feed circuit. Methods of suppressing a POGO effect are also provided.
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