US Patent 11203978 Dual pump unit with boost pump
Patent 11203978 was granted and assigned to Hamilton Sundstrand on December, 2021 by the United States Patent and Trademark Office.
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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.
US Patent 11203978 Dual pump unit with boost pump
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