Patent ID: 6568692
Filing Date: 2003-05-27
Classification: F01D,F16J

Abstract:
A seal useable between a first section and a second section of a rotating assembly, the sections rotating about a spin axis, the sections having a seal groove with an opening facing inwardly towards the spin axis, the seal groove with a base straddling a boundary between the first section and the second section, the seal comprising:a curved apex oriented towards the spin axis and curved towards an inside of the seal; a first leg and a second leg each extending symmetrically away from both the apex and the spin axis on opposing sides of the apex; a first foot and a second foot that are respectively at ends of the first leg and the second leg, wherein the first foot and the second foot curve toward the inside of the seal; wherein the first leg and the second leg extend only linearly from the curved apex to the first foot and the second foot when said rotating assembly in a non-operating state; and wherein the first leg and the second leg curve inward toward the inside of the seal during an operational state.