Patents by Inventor Edward Schrand

Edward Schrand 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).

  • Three stages differential assembly and method of operating the same
    Patent number: 7294085
    Abstract: Differential assembly and a method of operating the same. The assembly includes a differential case and a pinion housing including a first pinion gear and a second pinion gear positioned substantially therein. A first side gear and a second side gear are operably coupled to the first pinion gear and the second pinion gear. A sliding collar selectively engages at least one of the differential case, the pinion housing, and the first and second side gears. The sliding collar provides at least three engagement modes. The method includes providing a differential case and a pinion housing including a first pinion gear and a second pinion gear positioned substantially therein. A first side gear and a second side gear are provided. At least one of the differential case, the pinion housing, and the first and second side gears are selectively engaged in one of at least three engagement modes.
    Type: Grant
    Filed: May 24, 2005
    Date of Patent: November 13, 2007
    Assignee: Chrysler LLC
    Inventors: Anthony H Pistagnesi, Edward Schrand, Shawn E Bronner, Jeffrey Japinga, Joseph P Elser
  • Three stage differential assembly and method of operating the same
    Publication number: 20060270510
    Abstract: Differential assembly and a method of operating the same. The assembly includes a differential case and a pinion housing including a first pinion gear and a second pinion gear positioned substantially therein. A first side gear and a second side gear are operably coupled to the first pinion gear and the second pinion gear. A sliding collar selectively engages at least one of the differential case, the pinion housing, and the first and second side gears. The sliding collar provides at least three engagement modes. The method includes providing a differential case and a pinion housing including a first pinion gear and a second pinion gear positioned substantially therein. A first side gear and a second side gear are provided. At least one of the differential case, the pinion housing, and the first and second side gears are selectively engaged in one of at least three engagement modes.
    Type: Application
    Filed: May 24, 2005
    Publication date: November 30, 2006
    Inventors: Anthony Pistagnesi, Edward Schrand, Shawn Bronner, Jeffrey Japinga, Joseph Elser