Aerodynamic seal assemblies for turbo-machinery

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

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A - human necessities
A01 - agriculture
A21 - baking
A22 - butchering
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A24 - tobacco
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Title: Aerodynamic seal assemblies for turbo-machinery

Abstract

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.

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

Issue Date:: Tue Sep 29 00:00:00 EDT 2015

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

Sponsoring Org.:: USDOE

OSTI Identifier:: 1221976

Patent Number(s):: 9145785

Application Number:: 13/040,474

Assignee:: General Electric Company (Niskayuna, NY)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01D - NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES

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F - MECHANICAL ENGINEERING F01 - MACHINES OR ENGINES IN GENERAL F01D - NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
F01D11/025 - {Seal clearance control
F01D11/04 - using sealing fluid, e.g. steam

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DOE Contract Number:: FC26-05NT42643

Resource Type:: Patent

Resource Relation:: Patent File Date: 2011 Mar 04

Country of Publication:: United States

Language:: English

Subject:: 42 ENGINEERING

Citation Formats


                    Bidkar, Rahul Anil, Wolfe, Christopher, and Fang, Biao. Aerodynamic seal assemblies for turbo-machinery.  United States: N. p., 2015. 
        Web.

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                    Bidkar, Rahul Anil, Wolfe, Christopher, & Fang, Biao. Aerodynamic seal assemblies for turbo-machinery.  United States.

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                    Bidkar, Rahul Anil, Wolfe, Christopher, and Fang, Biao. Tue .  
        "Aerodynamic seal assemblies for turbo-machinery".  United States.  https://www.osti.gov/servlets/purl/1221976.

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@article{osti_1221976,

  title        = {Aerodynamic seal assemblies for turbo-machinery},

  author       = {Bidkar, Rahul Anil and Wolfe, Christopher and Fang, Biao},

  abstractNote = {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.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Sep 29 00:00:00 EDT 2015},

  month        = {Tue Sep 29 00:00:00 EDT 2015}

}

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Works referenced in this record:

Compliant pressure balanced seal apparatus
patent, May 1997

Gardner, James F.
US Patent Document 5,632,493
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5632493

Compliant foil seal
patent, January 2003

Heshmat, Hooshang
US Patent Document 6,505,837
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6505837

Turbine rotor-stator leaf seal and related method
patent, March 2003

Herron, William Lee; Butkiewicz, Jeffrey John
US Patent Document 6,527,274
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6527274

Hydrodynamic foil face seal
patent, August 2007

Agrawal, Giridhari L.; Patel, Kirtikumar H.; Munson, John
US Patent Document 7,261,300
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7261300

Sealing device and method for turbomachinery
patent, October 2008

Ghasripoor, Farshad; Lokhandwalla, Murtuza; Chupp, Raymond Edward
US Patent Document 7,435,049
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7435049

Seal
patent, November 2008

Cornett, Kenneth W.; More, D. Gregory; Stone, Stephen S.
US Patent Document 7,451,989
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7451989

Dynamic flange seal and sealing system
patent, May 2009

Lah, Ruben F.
US Patent Document 7,530,574
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7530574

Dynamic flange seal and sealing system
patent, March 2010

Lah, Ruben F.
US Patent Document 7,682,490
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7682490

Non-Contact Seal for a Gas Turbine Engine
patent-application, October 2008

Justak, John F.
US Patent Application 12/132869; 20080265513
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080265513

Performance of a Complaint Foil Seal in a Small Gas Turbine Engine Simulator Employing a Hybrid Foil/Ball Bearing Support System
journal, January 2001

Salehi, Mohsen; Heshmat, Hooshang
Tribology Transactions, Vol. 44, Issue 3, p. 458-464
https://doi.org/10.1080/10402000108982481

Works referencing / citing this record: