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US 12,522,346 B2Granted
Protection system
AssigneeRatier-Figeac SAS
InventorsAdele Boche, Romain Bouloc
Life of this patent
Estimating the term…
Abstract
A method of operating a variable pitch propeller system for an aircraft. The method includes: receiving aircraft flight information; performing a virtual pitch calculation to determine a virtual propeller pitch or virtual blade angle from the aircraft flight information; and performing a pitch protection process in response to low virtual propeller pitch or virtual blade angle being determined.
Claims15
A method of operating a variable pitch propeller system for an aircraft, the method comprising:
- receiving aircraft flight information;
- performing a virtual pitch calculation to determine a virtual propeller pitch or virtual blade angle from the aircraft flight information;
- and
- performing a pitch protection process in response to low virtual propeller pitch or virtual blade angle being determined.
1 more element
A protection system for a variable pitch propeller system, the protection system comprising:
- a virtual pitch sensor configured to receive aircraft flight information and perform a virtual pitch calculation to determine a virtual propeller pitch or virtual blade angle from the aircraft flight information;
- and
- a protection processor configured to perform a pitch protection process in response to low virtual propeller pitch or virtual blade angle being determined.
Dependencies are inferred from the claim text.