Supply system for the energy supply in an aircraft, aircraft and method for supplying an aircraft with energy

This invention describes an aircraft energy system that uses both a traditional engine and a fuel cell to generate power, keeping their respective fuels in separate tanks. A key feature is using the waste products from the fuel cell, specifically condensed water vapor, to de-ice the aircraft's wings after heating it with a heat pump.

Why it matters: Filed before aerospace fuel cell technology was mature enough for practical integration. Advances in fuel cell efficiency and thermal management now make using byproducts for de-icing more viable for sustainable aviation.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedAircraft systems, fuel cell, thermal management, safety

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