Siemens Power Generation, Inc.

Nicholas D'Amico

William Richard Ryan

Nancy H Ulerich

Phillip W Gravett

Richard D Holm

Lawrence Lee Ross

Brian D Ottinger

Thomas J Gordon

Aspects of the invention related to a system for providing advance notice of impending contact between a stationary component and a rotating component in a turbine engine. For example, the system can be used to warn of potential contact between a seal holder and a rotor disk in the compressor section of the engine. In one embodiment, a pad or other component can be provided on the stationary seal holder. If the seal holder and the rotor disk approach each other during operation, the pad can contact the rotor disk prior to actual contact between the seal holder and the rotor disk. An optical and/or an acoustic signal can be generated by such contact. The signals can be detected remotely from the point of contact by a signal detection device, thereby avoiding the need to pass wires through the compressor section.

Warning system for turbine component contact

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Irwin, PA, United States of America

Nicholas D'Amico