US Patent 11542826 Labyrinth seals

A labyrinth seal including: an annular seal body having an inner wall and an outer wall spaced apart from one another by an annulus; a nested dampener system disposed along the outer wall, the nested dampener system including: a first dampening element; and a second dampening element, wherein opposite axial ends of the nested dampener system are defined by the first dampening element, and wherein the second dampening element is disposed outside of at least a portion of the first dampening element in a radial direction.