ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,140, issued on March 25, was assigned to Honeywell International Inc. (Charlotte, N.C.).
"Propulsor brake lock" was invented by Ronald Vaughan (Tempe, Ariz.), James N. Quitmeyer (Tempe, Ariz.) and Everett Canepa (Phoenix).
According to the abstract* released by the U.S. Patent & Trademark Office: "A propulsor brake lock system includes an aircraft propulsor, a reduction gear assembly, a brake shaft, and a brake assembly. The aircraft propulsor includes a propeller having a propeller input shaft coupled thereto. The reduction gear assembly includes at least an input gear and an output gear. The input gear and output gear are both rotatable with the propeller input shaft. The brak...