✦ LIBER ✦

Gas turbine rotor bimetallic ring seal

Publisher: Elsevier Science
Year: 2002
Tongue: English
Weight: 134 KB
Volume: 2002
Category: Article
ISSN: 1350-4789
DOI: 10.1016/s1350-4789(02)10020-1

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✦ Synopsis

A metal edge seal ring is formed in a trench made up of a large number of short, connected legs arranged in a perpendicular fashion. Metal is deposited in the trench, and because the metal comprises many short segments, rather than several long, straight sections, the subsequent chemical-mechanical polishing step does not cause significant cupping of the metal in the trench.

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## PATENTS tain close alignment with the shaft. A series of these shoes circumferentially make up the entire seal. There is a secondary seal to prevent leakage around the outside of the shoe, past the spring.

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