US 12,123,352 B2
Vibration damper for fluid conduit of gas turbine combustor
Thomas Edward Johnson, Greer, SC (US); Larry Lou Thomas, Flat Rock, NC (US); Johnie Franklin McConnaughhay, Greenville, SC (US); and Scott Robert Simmons, Greenville, SC (US)
Assigned to GE Infrastructure Technology LLC, Greenville, SC (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Jan. 31, 2022, as Appl. No. 17/589,052.
Claims priority of provisional application 63/151,038, filed on Feb. 18, 2021.
Prior Publication US 2022/0397061 A1, Dec. 15, 2022
Int. Cl. F02C 7/22 (2006.01); F02C 7/24 (2006.01); F16L 55/02 (2006.01)
CPC F02C 7/222 (2013.01) [F02C 7/24 (2013.01); F16L 55/02 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A vibration damper for a fluid conduit of a gas turbine combustor, the vibration damper comprising:
a mounting portion secured to the fluid conduit; and
a damping portion, the damping portion including:
a stack of damping washers, wherein each damping washer of the stack of damping washers comprises a body having a central aperture, a pin projecting from a bottom surface thereof, and a locking aperture defined therethrough, the locking aperture being opposite the pin across a diameter of the body, wherein the pin has a first diameter, and the locking aperture has a second diameter larger than the first diameter, wherein the pin of a first damping washer is inserted in the locking aperture of an adjacent second damping washer, and wherein the pin of the second damping washer is inserted in the locking aperture of a third damping washer adjacent the second damping washer;
a bushing on top of the stack of damping washers;
a spring clip secured around the stack of damping washers and the bushing, wherein the pin of a bottom damping washer in the stack of damping washers opposite the first damping washer is disposed in a locking aperture defined through a bottom surface of the spring clip; and
a shoulder bolt disposed through the bushing, the spring clip, and the stack of damping washers and engaged to the mounting portion.