Compact cryogenic turbopump

A turbopump which operates at cryogenic temperatures to pump cryogenic liquid fuels to high pressure, and which includes a rotating group supported on process fluid foil journal bearings and a hydrostatic and hydrodynamic foil thrust bearing. A back-face surface of a pump rotor reacts thrust forces...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GU, ALSTON L, EMERSON, TERENCE P, FISCHER, RICHARD L
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A turbopump which operates at cryogenic temperatures to pump cryogenic liquid fuels to high pressure, and which includes a rotating group supported on process fluid foil journal bearings and a hydrostatic and hydrodynamic foil thrust bearing. A back-face surface of a pump rotor reacts thrust forces to the foil thrust bearing and receives counter acting hydrostatic fluid forces dynamically moderated to achieve an equilibrium axial position and force balance.