Systems and methods for propeller thrust protection patent

Systems and methods for propeller thrust protection

The present disclosure relates generally to flight control of electric aircraft and other powered aerial vehicles. In one embodiment, a method is disclosed, comprising: receiving a descent rate command from a pilot input device, determining a proximity of each propeller of at least two propellers to a vortex ring state; and controlling the aircraft's descent rate to be less than the commanded descent rate when at least one of the at least two propellers is within a first threshold proximity to the vortex ring state.

Publication details

Recorded assignee: Archer Aviation Inc.
Publication number: US 12545401 B2
Publication type: Utility patent grant
Publication date: Feb 10, 2026
Filing date: Jan 10, 2025
CPC classes: B64C29/0033, G05D1/24, B60L3/0084, B60L15/20, B64C29/0025, B64D31/10, B64U50/19, G05D1/485, G05D1/82, B60L2200/10, B60L2220/42, B60L2240/12, B60L2240/14, B60L2240/18, B60L2240/421, B60L2240/423, B60L2240/622, B60L2260/46, B60L2260/48, G05D2105/22, G05D2109/24, G05D2111/50
Inventors: Droandi; Giovanni, Depenbusch; Nathan Thomas

Party names reflect the published document. Current ownership and legal status can change.

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