Aircraft propeller system

Details Aircraft propeller system Aircraft propeller system

B - Operations, Transporting

64

C

244/120

B64C 11/48 (2006.01) B64C 11/30 (2006.01)

Patent

CA 1258846

AIRCRAFT PROPELLER SYSTEM ABSTRACT OF THE DISCLOSURE A lightweight counterrotatable propeller system driven by a rotatable shaft is disclosed. The system includes first and second counterrotatable propellers, each propeller including a plurality of blades mounted on first and second hubs, respectively. Each blade is attached to the hub by means of a ball screw which converts centrifugal force on each of the rotating propeller blades into a pitch changing force. Gearing means for operatively connecting the shaft with each rpopeller are located between the propellers with a carrying member for one of the propellers forming an outer wall which radially bounds the gearing means. Additionally, non-rotating actuating means for changing propeller pitch are operatively connected to the blades of each of said first and second propellers through first and second thrust bearings, respectively.

461636

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