US Patent 11757386 Hybrid electric propulsion system and method of operation
Patent 11757386 was granted and assigned to Pratt & Whitney Canada on September, 2023 by the United States Patent and Trademark Office.
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US Patent 11757386 Hybrid electric propulsion system and method of operation
A hybrid electric aircraft propulsion system and method of operation are described. The system comprises a thermal engine, a generator coupled to the thermal engine, a first electric propulsor operatively connected to the generator to receive alternating current (AC) electric power therefrom, a second electric propulsor, a generator inverter operatively connected to the generator to convert AC electric power to direct current (DC) electric power, and a first motor inverter operatively connected to the generator inverter and selectively connected to one of the first electric propulsor and the second electric propulsor and configured to receive the DC electric power and provide the first electric propulsor and the second electric propulsor with AC electric power, respectively.
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