Patents by Inventor David J. Bombara

David J. Bombara 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).

  • Ceramic combustor can for a gas turbine engine
    Patent number: 8863528
    Abstract: A combustor assembly having a support assembly between a metal support assembly and a ceramic combustor can section that accommodates a thermal expansion difference therebetween. An air fuel mixer and an igniter are mounted to the support assembly secured to the ceramic combustion can which receives the ignition products of the ignited fuel and air mixture.
    Type: Grant
    Filed: July 27, 2006
    Date of Patent: October 21, 2014
    Assignee: United Technologies Corporation
    Inventors: Jun Shi, David J. Bombara, Jason Lawrence, Richard S. Tuthill, Jeffrey D. Melman
  • Reverse flow combustor duct attachment
    Patent number: 8864492
    Abstract: A reverse flow combustor has an inlet end. A flowpath extends downstream from the inlet end through a turn. The turn directs the flowpath radially inward and reversing an axial flow direction. A large exit duct (LED) is along the turn. A small exit duct (SED) is along the turn and joined by a joint to a mounting structure to resist separation in a first axial direction. The joint comprises: a first surface on the SED facing partially radially inward; and a mounting feature engaging the first surface.
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: October 21, 2014
    Assignees: United Technologies Corporation, Pratt & Whitney Canada Corp.
    Inventors: Jun Shi, David C. Jarmon, Lee A. Hoffman, David J. Bombara, Shaoluo L. Butler, Lev A. Prociw, Aleksandar Kojovic
  • Ceramic combustor can for a gas turbine engine
    Publication number: 20140190167
    Abstract: A combustor assembly having a support assembly between a metal support assembly and a ceramic combustor can section that accommodates a thermal expansion difference therebetween. An air fuel mixer and an igniter are mounted to the support assembly secured to the ceramic combustion can which receives the ignition products of the ignited fuel and air mixture.
    Type: Application
    Filed: July 27, 2006
    Publication date: July 10, 2014
    Inventors: Jun Shi, David J. Bombara, Jason Lawrence, Richard S. Tuthill, Jeffery D. Melman
  • Reverse Flow Combustor Duct Attachment
    Publication number: 20120328996
    Abstract: A reverse flow combustor has an inlet end. A flowpath extends downstream from the inlet end through a turn. The turn directs the flowpath radially inward and reversing an axial flow direction. A large exit duct (LED) is along the turn. A small exit duct (SED) is along the turn and joined by a joint to a mounting structure to resist separation in a first axial direction. The joint comprises: a first surface on the SED facing partially radially inward; and a mounting feature engaging the first surface.
    Type: Application
    Filed: June 23, 2011
    Publication date: December 27, 2012
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Jun Shi, David C. Jarmon, Lee A. Hoffman, David J. Bombara, Shaoluo L. Butler, Lev A. Prociw
  • Compliant metal support for ceramic combustor liner in a gas turbine engine
    Patent number: 8122727
    Abstract: A combustion system for an engine, such as a gas turbine engine is provided. The combustion system has a ceramic component, such as ceramic combustor liner, and at least one metal support component, such as a metal ring or a plurality of metal cones, for providing radial and axial support to the ceramic component. The at least one metal support component includes a structure, such as axial slots or radial slots, for minimizing stress and for increasing compliance of the metal support component with respect to the ceramic component.
    Type: Grant
    Filed: November 5, 2009
    Date of Patent: February 28, 2012
    Assignee: United Technologies Corporation
    Inventors: Jun Shi, Jason Lawrence, David J. Bombara, Richard S. Tuthill, Jeffrey D. Melman
  • Attachment of a ceramic combustor can
    Patent number: 7762076
    Abstract: A combustor assembly includes a metal section having an axial slot that receives a ceramic section. A clamp is received about the axial slot to secure the metal section and ceramic section together. Tabs on the metal section, a gasket between the metal section and the ceramic section, and springs within the clamp deform an amount that is greater than a thermal expansion difference between the metal section and the ceramic section to maintain a clamping force of the clamp.
    Type: Grant
    Filed: October 20, 2005
    Date of Patent: July 27, 2010
    Assignee: United Technologies Corporation
    Inventors: Jun Shi, Jason Lawrence, David J. Bombara, David C. Jarmon, Michael T. Weber, Richard S. Tuthill, Jeffrey D. Melman
  • COMPLIANT METAL SUPPORT FOR CERAMIC COMBUSTOR LINER IN A GAS TURBINE ENGINE
    Publication number: 20100101232
    Abstract: A combustion system for an engine, such as a gas turbine engine is provided. The combustion system has a ceramic component, such as ceramic combustor liner, and at least one metal support component, such as a metal ring or a plurality of metal cones, for providing radial and axial support to the ceramic component. The at least one metal support component includes a structure, such as axial slots or radial slots, for minimizing stress and for increasing compliance of the metal support component with respect to the ceramic component.
    Type: Application
    Filed: November 5, 2009
    Publication date: April 29, 2010
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Jun Shi, Jason Lawrence, David J. Bombara, Richard S. Tuthill, Jeffrey D. Melman
  • Compliant metal support for ceramic combustor liner in a gas turbine engine
    Patent number: 7647779
    Abstract: A combustion system for an engine, such as a gas turbine engine is provided. The combustion system has a ceramic component, such as ceramic combustor liner, and at least one metal support component, such as a metal ring or a plurality of metal cones, for providing radial and axial support to the ceramic component. The at least one metal support component includes a structure, such as axial slots or radial slots, for minimizing stress and for increasing compliance of the metal support component with respect to the ceramic component.
    Type: Grant
    Filed: April 27, 2005
    Date of Patent: January 19, 2010
    Assignee: United Technologies Corporation
    Inventors: Jun Shi, Jason Lawrence, David J. Bombara, Richard S. Tuthill, Jeffrey D. Melman
  • Attachment of a ceramic combustor can
    Publication number: 20080010990
    Abstract: A combustor assembly includes a metal section having an axial slot that receives a ceramic section. A clamp is received about the axial slot to secure the metal section and ceramic section together. Tabs on the metal section, a gasket between the metal section and the ceramic section, and springs within the clamp deform an amount that is greater than a thermal expansion difference between the metal section and the ceramic section to maintain a clamping force of the clamp.
    Type: Application
    Filed: October 20, 2005
    Publication date: January 17, 2008
    Inventors: Jun Shi, Jason Lawrence, David J. Bombara, David C. Jarmon, Michael T. Weber, Richard S. Tuthill, Jeffrey D. Melman