Turbopump, in particular for feeding rocket engines
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United States of America Patent
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Sep 6, 2016
Grant Date -
Sep 5, 2013
app pub date -
Aug 31, 2011
filing date -
Sep 3, 2010
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Abstract
A turbopump for feeding a low-thrust rocket engine comprises a pump, a turbine, and a common rotary shaft connected to the pump and to the turbine. First and second bearings closer respectively to the pump and to the turbine serve to support the common shaft. The second bearing is a hydrodynamic bearing connected to a gas supply source, and the turbopump also includes at least one dynamic sealing gasket around the shaft and interposed between the first and second bearings.
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