Dual pump unit with boost pump

A fuel supply system for a gas turbine engine includes a fuel tank, a pumping unit downstream of the fuel tank and configured to receive fuel from the fuel tank, and a sharing valve downstream of the pumping unit and configured to receive fuel from the cruise pump of the pumping unit during a first...

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Bibliographische Detailangaben
Hauptverfasser:	Reuter, Charles E, O'Rorke, Morgan
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	A fuel supply system for a gas turbine engine includes a fuel tank, a pumping unit downstream of the fuel tank and configured to receive fuel from the fuel tank, and a sharing valve downstream of the pumping unit and configured to receive fuel from the cruise pump of the pumping unit during a first operating condition. The pumping unit includes a boost pump, an actuation pump downstream of the boost pump and in fluid communication with at least one actuator of the gas turbine engine, and a cruise pump downstream of the boost pump and in fluid communication with nozzles of a gas generator of the gas turbine engine.