Split blade retention race with inner and outer chamfers
AssigneeHamilton Sundstrand Corporation
InventorsPeter Ventura, Matthew Soule
Life of this patent
Estimating the term…
Abstract
A blade shank assembly for an aircraft propeller blade includes a blade shank; a split blade retention race encircling the blade shank, the split blade retention race including two splits, wherein the split blade retention race comprises: inner chamfers located between the blade shank and the split blade retention race at each of the two splits; and outer chamfers located adjacent to a race surface of the split blade retention race at each of the two splits; and a plurality of ball bearings located on the race surface of the split blade retention race.
Claims13
A blade shank assembly for an aircraft propeller blade, comprising:
- a blade shank;
- a split blade retention race encircling the blade shank, the split blade retention race including two splits, wherein the split blade retention race comprises:
- inner chamfers located between the blade shank and the split blade retention race at each of the two splits;
- and
- outer chamfers located adjacent to a race surface of the split blade retention race at each of the two splits;
- and
- a plurality of ball bearings located on the race surface of the split blade retention race.
A split blade retention race for a blade shank assembly for an aircraft propeller blade, comprising:
- a race surface, the race surface configured to hold a plurality of ball bearings;
- a split surface, the split surface being configured to be located inside of split separating a first section of the split blade retention race from a second section of the split blade retention race;
- an inner surface, the inner surface being configured to be located adjacent to a blade shank in the blade shank assembly;
- an inner chamfer, wherein the inner chamfer is angled back along an interface between the split surface to the inner surface;
- and
- an outer chamfer, wherein the outer chamfer is angled back along an interface between the split surface and the race surface.
Dependencies are inferred from the claim text.