Patents by Inventor Gregory Rudzik

Gregory Rudzik 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).

  • Piston cooling gallery shaping to reduce piston temperature
    Patent number: 10704491
    Abstract: A piston for an internal combustion engine is provided. The piston includes a lower part joined to an upper part, for example by friction welding with inertia. The upper part presents a combustion surface and an undercrown surface. The piston also includes a cooling gallery surface provided by the upper part and the lower part. The cooling gallery surface surrounds a volume of space for containing a cooling media. The piston can include serrations in the cooling gallery surface and/or undercrown surface to increase surface area and thus reduce the temperature of the piston. The piston can also include shaped weld curls, instead of or in addition to the serrations, which also increase surface area and reduce the temperature of the piston.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: July 7, 2020
    Assignee: Tenneco Inc.
    Inventors: Eduardo Matsuo, Gregory Rudzik
  • PISTON COOLING GALLERY SHAPING TO REDUCE PISTON TEMPERATURE
    Publication number: 20200116102
    Abstract: A piston for an internal combustion engine is provided. The piston includes a lower part joined to an upper part, for example by friction welding with inertia. The upper part presents a combustion surface and an undercrown surface. The piston also includes a cooling gallery surface provided by the upper part and the lower part. The cooling gallery surface surrounds a volume of space for containing a cooling media. The piston can include serrations in the cooling gallery surface and/or undercrown surface to increase surface area and thus reduce the temperature of the piston. The piston can also include shaped weld curls, instead of or in addition to the serrations, which also increase surface area and reduce the temperature of the piston.
    Type: Application
    Filed: October 11, 2018
    Publication date: April 16, 2020
    Inventors: Eduardo Matsuo, Gregory Rudzik