Rtx Corporation

Pieter Van Lieu

Calvin Jay Winder

Matthew E Bintz

David R Lyders

Fadi S Maalouf

Xiaomei Fang

Peter T Schutte

Hamidreza Mohseni

Justin Roger DeLarm

Anna Lauren Wright

A gas turbine engine includes a rotor that that has a seal surface, a shaft that has an annular seal channel that opens to the seal surface, and a seal disposed in the annular seal channel for sealing against the seal surface. The seal is made of a composite having carbon fibers disposed in a carbon matrix.

Gas turbine engine with carbon/carbon composite piston seal

A gas turbine engine is provided and includes a first rotor element defining a groove, a second rotor element disposed to rotate about the first rotor element and a piston seal ring (PSR) disposed in the groove to form a seal between the first rotor element and the second rotor element. The second rotor element is formed to define bypass flow channels about the PSR that extend between opposite axial sides of the PSR.

Seal flow bypass

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Cheshire, CT, United States of America

Pieter Van Lieu