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Low stress seal

  • US 6,568,692 B2
  • Filed: 03/02/2001
  • Issued: 05/27/2003
  • Est. Priority Date: 03/02/2001
  • Status: Active Grant
First Claim
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1. 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.

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