Patents by Inventor Daniel T. Rog

Daniel T. Rog 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).

  • Gas turbine engine exhaust drain
    Patent number: 9903222
    Abstract: An exhaust system of a gas turbine engine includes an exhaust duct, and a venturi drainage device that drains fluid collected in the exhaust duct. The venturi drainage device includes an inlet in fluid communication with the exhaust duct. The venturi drainage device operates in an entrain mode when a flight condition occurs during operating of the gas turbine engine and operates in a drain mode when the gas turbine engine is not operating to drain the fluid from the exhaust duct.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: February 27, 2018
    Assignee: United Technologies Corporation
    Inventor: Daniel T. Rog
  • GAS TURBINE ENGINE EXHAUST DRAIN
    Publication number: 20160017748
    Abstract: An exhaust system of a gas turbine engine includes an exhaust duct, and a venturi drainage device that drains fluid collected in the exhaust duct. The venturi drainage device includes an inlet in fluid communication with the exhaust duct. The venturi drainage device operates in an entrain mode when a flight condition occurs during operating of the gas turbine engine and operates in a drain mode when the gas turbine engine is not operating to drain the fluid from the exhaust duct.
    Type: Application
    Filed: February 21, 2014
    Publication date: January 21, 2016
    Inventor: Daniel T. Rog
  • Seal clearance control on non-cowled gas turbine engines
    Patent number: 8668431
    Abstract: A method for controlling turbine blade tip seal clearance on a non-cowled gas turbine engine includes the step of directing a flow of relatively hot, pressurized air in contact with an exterior surface of the engine core casing circumscribing the turbine. The flow of relatively hot, pressurized air may be selectively directed in contact with the exterior surface of the engine core casing circumscribing the turbine when it is desired to expand the turbine shroud radially outward, such as during transient operation of the gas turbine engine.
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: March 11, 2014
    Assignee: United Technologies Corporation
    Inventors: Daniel T. Rog, Ronald T. Clawson
  • SEAL CLEARANCE CONTROL ON NON-COWLED GAS TURBINE ENGINES
    Publication number: 20110236179
    Abstract: A method for controlling turbine blade tip seal clearance on a non-cowled gas turbine engine includes the step of directing a flow of relatively hot, pressurized air in contact with an exterior surface of the engine core casing circumscribing the turbine. The flow of relatively hot, pressurized air may be selectively directed in contact with the exterior surface of the engine core casing circumscribing the turbine when it is desired to expand the turbine shroud radially outward, such as during transient operation of the gas turbine engine.
    Type: Application
    Filed: March 29, 2010
    Publication date: September 29, 2011
    Applicant: United Technologies Corporation
    Inventors: Daniel T. Rog, Ronald T. Clawson