Patents by Inventor Paul D. Diemer

Paul D. Diemer 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).

  • Publication number: 20100098532
    Abstract: A compressor section (100) of a turbocharger (501) or other air boost device is provided that can reduce stall noise. The compressor section has a housing (110) with a blind groove (175, 275) formed therein. The blind groove (175, 275) can be in proximity to a leading edge (155) of at least one of the blades (150) and can straddle the leading edges (155) of the splitter blades (150). The blind groove (175, 275) can be formed by machining and/or casting. The blind groove (175, 275) can have a substantially uniform width and depth, and can circumscribe the impeller (130) to form a continuous annular channel.
    Type: Application
    Filed: February 11, 2008
    Publication date: April 22, 2010
    Applicant: BORGWARNER INC.
    Inventors: Paul D. Diemer, Edward R. Panek, David G. Grabowska