Turbopump with a single piece housing and a smooth enamel glass surface
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United States of America Patent
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Mar 23, 2017
app pub date -
Aug 3, 2016
filing date -
Apr 17, 2012
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Abstract
A turbopump for a liquid rocket engine in which an oxidizer is pumped, where the turbopump is formed with a single piece rotor within a single piece housing by a metal additive manufacturing process, and where surfaces exposed to the oxidizer is coated with enamel glass to provide a smooth surface over the rough printed surface and to provide burn resistance to the base metal from exposure to the oxidizer such as oxygen. A Mondaloy coating can be used below the enamel glass coating to add additional burn resistance to the base metal.
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