Patents by Inventor David Stefaniak

David Stefaniak 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).

  • Patent number: 9835120
    Abstract: A turbocompressor boost purge ejector tee includes a first passage formed into a housing along a common axis from a first direction, the first passage including an outlet in communication with an inlet area of the turbocompressor. A second passage is formed into the housing along the common axis from a second direction and includes a boost air inlet in communication with a turbocompressor high pressure internal outlet area and fluidly coupled to the first passage. The first and second passages of the housing defining a first flow path from the internal outlet area to the inlet area. An inlet port is associated with the housing and intersects the first passage, the housing defining a second flow path from the inlet port to the outlet, and the second flow path intersecting the first flow path upstream of the outlet. A nozzle is positioned in the second passage.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: December 5, 2017
    Assignee: FCA US LLC
    Inventors: David Stefaniak, Michael P Schmidt
  • Publication number: 20160305377
    Abstract: A turbocompressor boost purge ejector tee includes a first passage formed into a housing along a common axis from a first direction, the first passage including an outlet in communication with an inlet area of the turbocompressor. A second passage is formed into the housing along the common axis from a second direction and includes a boost air inlet in communication with a turbocompressor high pressure internal outlet area and fluidly coupled to the first passage. The first and second passages of the housing defining a first flow path from the internal outlet area to the inlet area. An inlet port is associated with the housing and intersects the first passage, the housing defining a second flow path from the inlet port to the outlet, and the second flow path intersecting the first flow path upstream of the outlet. A nozzle is positioned in the second passage.
    Type: Application
    Filed: June 24, 2016
    Publication date: October 20, 2016
    Inventors: David Stefaniak, Michael P Schmidt