US 12,448,135 B2
Hydrogen-solar integrated energy system and method for aircraft
Eric Gavizon, Aventura, FL (US)
Assigned to HELIOS Aeronautics, Inc., Ann Arbor, MI (US)
Filed by Eric Gavizon, Aventura, FL (US)
Filed on Nov. 4, 2024, as Appl. No. 18/936,958.
Claims priority of provisional application 63/547,158, filed on Nov. 3, 2023.
Prior Publication US 2025/0162733 A1, May 22, 2025
Int. Cl. B64D 27/353 (2024.01); B64C 29/00 (2006.01); B64C 39/10 (2006.01); B64D 27/34 (2024.01); B64D 27/355 (2024.01); B64D 27/357 (2024.01); B64D 37/30 (2006.01); B64U 10/25 (2023.01); B64U 50/19 (2023.01); B64U 50/31 (2023.01); B64U 50/32 (2023.01); B64U 50/34 (2023.01)
CPC B64D 27/353 (2024.01) [B64C 29/0033 (2013.01); B64D 27/34 (2024.01); B64D 27/355 (2024.01); B64D 27/357 (2024.01); B64D 37/30 (2013.01); B64U 10/25 (2023.01); B64U 50/19 (2023.01); B64U 50/31 (2023.01); B64U 50/32 (2023.01); B64U 50/34 (2023.01); B64C 2039/105 (2013.01); H01M 2250/20 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A propulsion system for aerospace applications comprised of
an array of Perovskite-Silicon Tandem Solar Cells;
a lithium-sulfur (“Li—S”) battery pack;
a unitized regenerative proton exchange membrane (“PEM”) device, having a fuel-cell mode and an electrolysis mode;
a step-up inverter and electronic speed controller;
a plurality of hydrogen storage tanks containing hydrogen; and
a plurality of pairs of permanent magnet synchronous motors, each pair mounted in a coaxial rotor configuration, each permanent magnet synchronous motor having a propeller;
wherein the array of Perovskite-Silicon Tandem Solar Cells is comprised of an interconnected plurality of Perovskite-Silicon Tandem Solar Cells;
wherein, during level flight, the PEM device acts in its fuel cell mode, converting the hydrogen from the hydrogen tanks into electricity which is fed into the step-up inverter and electronic speed controller, which, in turn, feeds electricity to the plurality of pairs of permanent magnet synchronous motors mounted in a coaxial rotor configuration;
wherein, during take-off and landing, the Li—S battery pack supplements the electricity output of the fuel-cell-mode PEM device; and
wherein, while on the ground and in the sunshine, the array of passivated rear-cell (“PERC”) 4 terminal Perovskite-Silicon Tandem Solar Cells provides electricity to the PEM device, which acts in its electrolysis mode and converts water and oxygen into hydrogen gas for storage in the hydrogen tanks.