Ingestion resistant seal assembly

Patent · Tue Dec 13 04:00:00 EST 2011

OSTI ID:1034308

Little, David A ^[1]

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1. Chuluota, FL

A seal assembly limits gas leakage from a hot gas path to one or more disc cavities in a gas turbine engine. The seal assembly includes a seal apparatus associated with a blade structure including a row of airfoils. The seal apparatus includes an annular inner shroud associated with adjacent stationary components, a wing member, and a first wing flange. The wing member extends axially from the blade structure toward the annular inner shroud. The first wing flange extends radially outwardly from the wing member toward the annular inner shroud. A plurality of regions including one or more recirculation zones are defined between the blade structure and the annular inner shroud that recirculate working gas therein back toward the hot gas path.

• Research Organization: Siemens Energy, Inc. (Orlando, FL)
• Sponsoring Organization: USDOE
• DOE Contract Number: FC26-05NT42644
• Assignee: Siemens Energy, Inc. (Orlando, FL)
• Patent Number(s): 8,075,256
• Application Number: US patent applicaiton 12/432,061
• OSTI ID: 1034308
• Country of Publication: United States
• Language: English

Related Subjects

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