Patents by Inventor Santiago Blackaller Ledesma

Santiago Blackaller Ledesma 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).

  • Igniter with protective alumina coating for turbine engines
    Patent number: 10815896
    Abstract: A high temperature article, for example an igniter for a combustor is presented. The igniter includes a central electrode having a discharge end, an insulator sleeve surrounding the central electrode and a tubular electrode shell surrounding the insulator sleeve. The tubular electrode shell has a forward end projecting beyond the discharge end. The tubular electrode shell includes an iron-based alloy. The igniter further includes a protective coating including alumina disposed on a surface of the forward end. A combustor of a turbine engine, including the igniter is also presented.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: October 27, 2020
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Daniel Qi Tan, Shekhar Shripad Kamat, Wei Zhang, Javier Guzman Padilla, Santiago Blackaller Ledesma
  • HIGH TEMPERATURE ARTICLES FOR TURBINE ENGINES
    Publication number: 20190170066
    Abstract: A high temperature article, for example an igniter for a combustor is presented. The igniter includes a central electrode having a discharge end, an insulator sleeve surrounding the central electrode and a tubular electrode shell surrounding the insulator sleeve. The tubular electrode shell has a forward end projecting beyond the discharge end. The tubular electrode shell includes an iron-based alloy. The igniter further includes a protective coating including alumina disposed on a surface of the forward end. A combustor of a turbine engine, including the igniter is also presented.
    Type: Application
    Filed: December 5, 2017
    Publication date: June 6, 2019
    Inventors: Daniel Qi Tan, Shekhar Shripad Kamat, Wei Zhang, Javier Guzman Padilla, Santiago Blackaller Ledesma