Patent 10519865 was granted and assigned to GE Aviation Systems on December, 2019 by the United States Patent and Trademark Office.
A method and decoupler for disengaging an output shaft from an engine in a back drive event with a backdrive decoupler. The backdrive decoupler includes a threaded shaft and a retention mechanism selectively coupling the output shaft to the threaded shaft. In a backdrive event, the decoupler decouples the output shaft from a drive shaft.