Patents by Inventor Wolfram Wiese

Wolfram Wiese 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: 9435308
    Abstract: It is an object of the present invention to reduce the penetration of a fuel spray directed toward a certain area in a cylinder, thereby reducing oil dilution that increases sliding resistance in the engine, reducing fuel adhesion or the like onto the cylinder liner, and also reducing the adverse effect of a fuel spray having an increased penetration. A fuel injection valve that has a plurality of injection holes and injects fuel into a cylinder 3 of an internal combustion engine includes: injection holes a2 and a6 having a larger diameter for injecting fuel toward a ring-shaped space T1 including areas A2 and A6 of strong tumble flow T formed in the cylinder; and injection holes a1, a4, a3 and a5 having a smaller diameter for injecting fuel toward a space including areas A1, A4, A3 and A5 of weak tumble flow formed in the cylinder 3.
    Type: Grant
    Filed: July 4, 2012
    Date of Patent: September 6, 2016
    Assignee: Bosch Corporation
    Inventors: Kaoru Maeda, Yuichiro Goto, Wolfram Wiese, Daniel Scherrer
  • Publication number: 20140130772
    Abstract: It is an object of the present invention to reduce the penetration of a fuel spray directed toward a certain area in a cylinder, thereby reducing oil dilution that increases sliding resistance in the engine, reducing fuel adhesion or the like onto the cylinder liner, and also reducing the adverse effect of a fuel spray having an increased penetration. A fuel injection valve that has a plurality of injection holes and injects fuel into a cylinder 3 of an internal combustion engine includes: injection holes a2 and a6 having a larger diameter for injecting fuel toward a ring-shaped space T1 including areas A2 and A6 of strong tumble flow T formed in the cylinder; and injection holes al, a4, a3 and a5 having a smaller diameter for injecting fuel toward a space including areas A1, A4, A3 and A5 of weak tumble flow formed in the cylinder 3.
    Type: Application
    Filed: July 4, 2012
    Publication date: May 15, 2014
    Applicant: BOSCH CORPORATION
    Inventors: Kaoru Maeda, Yuichiro Goto, Wolfram Wiese, Daniel Scherrer