"High Excursion Ring Seal"

Abstract: A seal 30 includes first and second axially opposite loops 32,34 integrally joined together by a coextensive web 36 in a collective ring having a circumferential split 38. The two loops 32,34 are arcuate in section, with radially outer and inner sealing lands 40,42,44,46. And, the web 36 is disposed radially between the outer and inner lands. The loops are disposed in corresponding grooves of adjoining members for effecting a seal therebetween and accommodating differential radial and axial thermal movement.

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