Patents by Inventor Jane E. Preston

Jane E. Preston 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).

  • Wastegate assembly, a turbocharger that utilizes the wastegate assembly and a method
    Patent number: 10458319
    Abstract: A method of joining parts of the wastegate assembly, and a wastegate assembly includes an arm defining a hole. The wastegate assembly also includes a shaft. The shaft includes a first end disposed inside the hole of the arm. The shaft includes an outer surface defining a groove disposed inside the hole of the arm. The arm and the first end of the shaft are welded together to form a joint having a joint root region disposed adjacent to the groove. A turbocharger includes a compressor, a turbine and a rotating assembly driven by exhaust gas. The rotating assembly has a turbine wheel disposed inside the turbine and a compressor wheel disposed inside the compressor. The turbocharger further includes the wastegate assembly described above, and the wastegate assembly defines an opening configured to selectively redirect at least a portion of the exhaust gas to bypass the turbine wheel.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: October 29, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: Grant W. Brady, Huaxin Li, Julie A. Swartz, Jane E. Preston
  • WASTEGATE ASSEMBLY, A TURBOCHARGER THAT UTILIZES THE WASTEGATE ASSEMBLY AND A METHOD
    Publication number: 20180347452
    Abstract: A method of joining parts of the wastegate assembly, and a wastegate assembly includes an arm defining a hole. The wastegate assembly also includes a shaft. The shaft includes a first end disposed inside the hole of the arm. The shaft includes an outer surface defining a groove disposed inside the hole of the arm. The arm and the first end of the shaft are welded together to form a joint having a joint root region disposed adjacent to the groove. A turbocharger includes a compressor, a turbine and a rotating assembly driven by exhaust gas. The rotating assembly has a turbine wheel disposed inside the turbine and a compressor wheel disposed inside the compressor. The turbocharger further includes the wastegate assembly described above, and the wastegate assembly defines an opening configured to selectively redirect at least a portion of the exhaust gas to bypass the turbine wheel.
    Type: Application
    Filed: June 1, 2017
    Publication date: December 6, 2018
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Grant W. Brady, Huaxin Li, Julie A. Swartz, Jane E. Preston