Patents by Inventor Andrew Ray Kneeland

Andrew Ray Kneeland has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Non-axisymmetric airfoil platform shaping
    Patent number: 9039375
    Abstract: Turbine blade assemblies of a turbine include airfoils that are mounted on bases. The leading and/or trailing edges of the bases are provided with curved portions. Likewise, curved portions may be provided on leading and/or trailing edges of the angle wings of a turbine blade assembly. Also, curved portions may be provided on the leading and/or trailing edges of nozzle assemblies of a turbine.
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: May 26, 2015
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Andrew Ray Kneeland, Andres Jose Garcia-Crespo, Bradley T. Boyer, Thomas William Vandeputte, Sylvain Pierre
  • Systems and methods of reducing heat loss from a gas turbine during shutdown
    Patent number: 8210801
    Abstract: A method operates a gas turbine that includes a compressor section, a turbine section and an extraction cooling system. The method includes monitoring an operation of the gas turbine, directing a cooling air flow through the extraction cooling system from the compressor section to the turbine section in response to normal operation of the gas turbine, and directing a warming air flow through the extraction cooling system to the compressor section and the turbine section in response to shutdown of the gas turbine.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: July 3, 2012
    Assignee: General Electric Company
    Inventors: Henry G. Ballard, Jr., Ian David Wilson, Stephen Christopher Chieco, Andrew Ray Kneeland, Bradley James Miller, Kenneth David Black, Raymond Goetze
  • Turbine with interrupted purge flow
    Patent number: 8137067
    Abstract: A blade attachment apparatus for a turbine is provided and includes a member, which rotates about an axis of the turbine, including fore and aft disk posts that retain corresponding fore and aft turbine blades, respectively, fore and aft of a turbine nozzle and a central portion proximate the turbine nozzle and an attachment retained between the fore and aft disk posts and the fore and aft turbine blades and coupled to the central portion, such that a portion of the attachment interrupts a purge flow through the turbine.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: March 20, 2012
    Assignee: General Electric Company
    Inventors: Andrew Ray Kneeland, Kahwai Gachago Muriithi
  • System and method for providing compliant rotating seals
    Patent number: 8100405
    Abstract: A system for providing compliant rotating seals including a rotating portion that has one or more teeth extending radially from it, and a stationary portion that has a plurality of bristles extending radially from it. The one or more teeth rotatively engage the plurality of bristles creating a tortuous path between them that resists a leakage of gas or fluid through them.
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: January 24, 2012
    Assignee: General Electric Company
    Inventors: Andrew Ray Kneeland, Eric David Roush
  • NON-AXISYMMETRIC AIRFOIL PLATFORM SHAPING
    Publication number: 20110052387
    Abstract: Turbine blade assemblies of a turbine include airfoils that are mounted on bases. The leading and/or trailing edges of the bases are provided with curved portions. Likewise, curved portions may be provided on leading and/or trailing edges of the angle wings of a turbine blade assembly. Also, curved portions may be provided on the leading and/or trailing edges of nozzle assemblies of a turbine.
    Type: Application
    Filed: September 1, 2009
    Publication date: March 3, 2011
    Inventors: Andrew Ray Kneeland, Andres Jose Garcia-Crespo, Bradley T. Boyer, Thomas William Vandeputte, Sylvain Pierre
  • Systems and Methods of Reducing Heat Loss from a Gas Turbine During Shutdown
    Publication number: 20100189551
    Abstract: A method operates a gas turbine that includes a compressor section, a turbine section and an extraction cooling system. The method includes monitoring an operation of the gas turbine, directing a cooling air flow through the extraction cooling system from the compressor section to the turbine section in response to normal operation of the gas turbine, and directing a warming air flow through the extraction cooling system to the compressor section and the turbine section in response to shutdown of the gas turbine.
    Type: Application
    Filed: January 29, 2009
    Publication date: July 29, 2010
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Henry G. Ballard, JR., Ian David Wilson, Stephen Christopher Chieco, Andrew Ray Kneeland, Bradley James Miller, Kenneth Damon Black, Raymond Goetze
  • System and Method for Providing Compliant Rotating Seals
    Publication number: 20100171268
    Abstract: A system for providing compliant rotating seals including a rotating portion that has one or more teeth extending radially from it, and a stationary portion that has a plurality of bristles extending radially from it. The one or more teeth rotatively engage the plurality of bristles creating a tortuous path between them that resists a leakage of gas or fluid through them.
    Type: Application
    Filed: January 6, 2009
    Publication date: July 8, 2010
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Andrew Ray Kneeland, Eric David Roush
  • TURBINE WITH INTERRUPTED PURGE FLOW
    Publication number: 20100111673
    Abstract: A blade attachment apparatus for a turbine is provided and includes a member, which rotates about an axis of the turbine, including fore and aft disk posts that retain corresponding fore and aft turbine blades, respectively, fore and aft of a turbine nozzle and a central portion proximate the turbine nozzle and an attachment retained between the fore and aft disk posts and the fore and aft turbine blades and coupled to the central portion, such that a portion of the attachment interrupts a purge flow through the turbine.
    Type: Application
    Filed: November 5, 2008
    Publication date: May 6, 2010
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Andrew Ray Kneeland, Kahwai Gachago Muriithi