US 12,352,184 B2
Wear pad for root of fan blade
Robert Andrew Love, Bloomfield, CT (US); and Jiayuan Shen, East Lyme, CT (US)
Assigned to RTX CORPORATION, Farmington, CT (US)
Filed by RTX Corporation, Farmington, CT (US)
Filed on Nov. 10, 2023, as Appl. No. 18/388,603.
Prior Publication US 2025/0154875 A1, May 15, 2025
Int. Cl. F01D 5/30 (2006.01)
CPC F01D 5/3092 (2013.01) 12 Claims
OG exemplary drawing
 
1. A wear pad assembly for a root of a fan blade, the wear pad assembly comprising prior to assembly to the root:
an initial unitary component comprising:
a first tapered side piece comprising an edge and first and second ends;
a second tapered side piece comprising an edge and first and second ends;
a bottom piece extending between the respective edges of the first and second tapered side pieces and comprising first and second ends; and
a first end piece by which the first ends of the first and second tapered side pieces are connected with the first end of the bottom piece; and
an additional component separate from the initial unitary component and comprising:
a second end piece by which the second ends of the first and second tapered side pieces are connectable with the second end of the bottom piece,
wherein the additional component is connectable with the initial unitary component to form a wear pad having a similar shape as the root.