Rotational machine, such as a turbomachine, and engines and flying machines incorporating same
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United States of America Patent
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Aug 28, 2018
Grant Date -
Apr 16, 2015
app pub date -
Jun 5, 2014
filing date -
Oct 11, 2013
priority date (Note) -
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Abstract
A rotational machine such as a turbocompressor has a fluid recovery system for recovering leaked working fluid such as gaseous helium in a helium circuit which has leaked past a shaft seal, a purifier being provided for removing contaminants from the working fluid, and turbocompressor may have one fluid such as helium or hydrogen working through one turbo component such as a turbine thereof and a second working fluid such as air or helium working through a second turbo component such as a compressor thereof, the rotational machine being installable in an engine of a flying machine.
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