US 12,146,534 B2
Flyweight damper
Aaron Cooling, Rockford, IL (US); Glenn C. Lemmers, Jr., Loves Park, IL (US); and Joshua A. Lehs, Stillman Valley, IL (US)
Assigned to HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US)
Filed by Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed on Aug. 16, 2021, as Appl. No. 17/403,283.
Claims priority of provisional application 63/180,431, filed on Apr. 27, 2021.
Prior Publication US 2022/0341469 A1, Oct. 27, 2022
Int. Cl. F16D 3/14 (2006.01)
CPC F16D 3/14 (2013.01) [F16D 2300/22 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A vibration damping assembly for use with a first shaft and a second shaft, the second shaft nested within an interior of the first shaft, the vibration damping assembly comprising:
a collar rotatable with the first shaft;
a cage rotatable with the second shaft and having at least one window formed therein, wherein the collar and the cage are mounted concentrically, the collar being rotatable relative to the cage; and
at least one damping mechanism positioned within the at least one window, the at least one damping mechanism including a plurality of flyweights and at least one support wedge, the at least one support wedge being positioned between and in contact with the plurality of flyweights, wherein the plurality of flyweights are movable radially relative to the cage to frictionally engage an adjacent surface of the collar.