Patents by Inventor Nicholas Prenger

Nicholas Prenger 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).

  • TURBOCHARGER OIL SUPPLY PASSAGE CHECK VALVE AND METHOD
    Publication number: 20070234997
    Abstract: A turbocharger (500) for an internal combustion engine (400) includes a center housing (504) having an oil supply passage (412) in fluid communication with an oil pump (404). The oil pump (404) is in fluid communication with an oil reservoir (420) in the engine (400). An oil drain passage (418) is also in fluid communication with the oil reservoir (420). A check valve (401) is in fluid communication with the supply passage (412) and located between the oil pump (404) and the center housing (504) of the turbocharger (500) to prevent oil from passing from a portion of the oil supply passage (424) back to the oil pump (404).
    Type: Application
    Filed: April 6, 2006
    Publication date: October 11, 2007
    Inventor: Nicholas Prenger