Patents by Inventor Donna Clough

Donna Clough 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).

  • Blade outer air seal with secondary air sealing
    Patent number: 10253645
    Abstract: A blade outer air seal (BOAS) for a gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a seal body having a radially inner face and a radially outer face that axially extend between a leading edge portion and a trailing edge portion. A retention flange extends from the leading edge portion and a leaf seal contacts the retention flange.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: April 9, 2019
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Brian Ellis Clouse, David F. Cloud, Donna Clough
  • Air stream mixing inner diameter (ID) cavity
    Patent number: 10047630
    Abstract: A method of mixing airflow within an inner diameter (ID) mixing chamber of a turbine exhaust case (TEC) includes directing pressurized airflow into the ID mixing chamber. Cooling airflow is directed radially inward via a tube and is then expelled into the ID mixing chamber in a circumferential direction for mixing with the pressurized airflow.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: August 14, 2018
    Assignee: United Technologies Corporation
    Inventors: William Yeager, Donna Clough
  • Blade outer air seal having shiplap structure
    Patent number: 9803491
    Abstract: A blade outer air seal (BOAS) for a gas turbine engine, according to an exemplary aspect of the present disclosure includes, among other things a seal body having a radially inner face and a radially outer face that axially extend between a leading edge portion and a trailing edge portion and a shiplap structure that at least partially overlaps at least a portion of at least one of the leading edge portion and the trailing edge portion.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: October 31, 2017
    Assignee: United Technologies Corporation
    Inventors: Brian Ellis Clouse, David F. Cloud, Donna Clough
  • BLADE OUTER AIR SEAL WITH SECONDARY AIR SEALING
    Publication number: 20160312640
    Abstract: A blade outer air seal (BOAS) for a gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a seal body having a radially inner face and a radially outer face that axially extend between a leading edge portion and a trailing edge portion. A retention flange extends from the leading edge portion and a leaf seal contacts the retention flange.
    Type: Application
    Filed: December 12, 2014
    Publication date: October 27, 2016
    Inventors: Brian Ellis CLOUSE, David F. CLOUD, Donna CLOUGH
  • BLADE OUTER AIR SEAL WITH SECONDARY AIR SEALING
    Publication number: 20160040547
    Abstract: A blade outer air seal (BOAS) for a gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a seal body having a radially inner face and a radially outer face that axially extend between a leading edge portion and a trailing edge portion. A retention flange extends from one of the leading edge portion and the trailing edge portion and a seal contacts the retention flange.
    Type: Application
    Filed: April 3, 2014
    Publication date: February 11, 2016
    Inventors: Brian Ellis CLOUSE, David F. CLOUD, Donna CLOUGH
  • AIR STREAM MIXING INNER DIAMETER (ID) CAVITY
    Publication number: 20150285095
    Abstract: A method of mixing airflow within an inner diameter (ID) mixing chamber of a turbine exhaust case (TEC) includes directing pressurized airflow into the ID mixing chamber. Cooling airflow is directed radially inward via a tube and is then expelled into the ID mixing chamber in a circumferential direction for mixing with the pressurized airflow.
    Type: Application
    Filed: December 17, 2013
    Publication date: October 8, 2015
    Inventors: William Yeager, Donna Clough
  • BLADE OUTER AIR SEAL HAVING SHIPLAP STRUCTURE
    Publication number: 20140186163
    Abstract: A blade outer air seal (BOAS) for a gas turbine engine, according to an exemplary aspect of the present disclosure includes, among other things a seal body having a radially inner face and a radially outer face that axially extend between a leading edge portion and a trailing edge portion and a shiplap structure that at least partially overlaps at least a portion of at least one of the leading edge portion and the trailing edge portion.
    Type: Application
    Filed: December 31, 2012
    Publication date: July 3, 2014
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Brian Ellis Clouse, David F. Cloud, Donna Clough