Aerodynamic seal assemblies for turbo-machinery

Bidkar, Rahul Anil; Wolfe, Christopher; Fang, Biao

Title: Aerodynamic seal assemblies for turbo-machinery

Patent · Tue Sep 29 00:00:00 EDT 2015

OSTI ID:1221976

Bidkar, Rahul Anil; Wolfe, Christopher; Fang, Biao

The present application provides an aerodynamic seal assembly for use with a turbo-machine. The aerodynamic seal assembly may include a number of springs, a shoe connected to the springs, and a secondary seal positioned about the springs and the shoe.

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Research Organization:: GE Global Research, Niskayuna, New York (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC26-05NT42643

Assignee:: General Electric Company (Niskayuna, NY)

Patent Number(s):: 9,145,785

Application Number:: 13/040,474

OSTI ID:: 1221976

Resource Relation:: Patent File Date: 2011 Mar 04

Country of Publication:: United States

Language:: English

References (10)

Compliant pressure balanced seal apparatus Gardner, James F. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5632493 US Patent Document 5,632,493	patent	May 1997
Compliant foil seal Heshmat, Hooshang https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6505837 US Patent Document 6,505,837	patent	January 2003
Turbine rotor-stator leaf seal and related method Herron, William Lee; Butkiewicz, Jeffrey John https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6527274 US Patent Document 6,527,274	patent	March 2003
Hydrodynamic foil face seal Agrawal, Giridhari L.; Patel, Kirtikumar H.; Munson, John https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7261300 US Patent Document 7,261,300	patent	August 2007
Sealing device and method for turbomachinery Ghasripoor, Farshad; Lokhandwalla, Murtuza; Chupp, Raymond Edward https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7435049 US Patent Document 7,435,049	patent	October 2008
Seal Cornett, Kenneth W.; More, D. Gregory; Stone, Stephen S. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7451989 US Patent Document 7,451,989	patent	November 2008
Dynamic flange seal and sealing system Lah, Ruben F. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7530574 US Patent Document 7,530,574	patent	May 2009
Dynamic flange seal and sealing system Lah, Ruben F. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7682490 US Patent Document 7,682,490	patent	March 2010
Non-Contact Seal for a Gas Turbine Engine Justak, John F. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080265513 US Patent Application 12/132869; 20080265513	patent-application	October 2008
Performance of a Complaint Foil Seal in a Small Gas Turbine Engine Simulator Employing a Hybrid Foil/Ball Bearing Support System Salehi, Mohsen; Heshmat, Hooshang Tribology Transactions, Vol. 44, Issue 3, p. 458-464 https://doi.org/10.1080/10402000108982481	journal	January 2001

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Aerodynamic seal assemblies for turbo-machinery Bidkar, Rahul Anil; Wolfe, Christopher Edward; Fang, Biao https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9145785 US Patent Document 9,145,785	patent	September 2015

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