Patents by Inventor Matthew Erker

Matthew Erker 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: 8695557
    Abstract: A mass compensating shaft drive for compensating forces or moments of inertia of a reciprocating piston internal combustion engine is provided having a balance shaft supported by at least one journal in a housing of the internal combustion engine. A rolling bearing is located between each of the at least one journals and the housing. The balance shaft includes an oil gallery that is adapted to be connected to a source of pressurized lubricating oil. A check valve is located between the oil gallery and each of the at least one bearing journals, with the check valve being arranged to open upon at least one of a lubricating oil pressure or a centrifugal force generated through rotation of the balance shaft exceeding a predetermined closing force for the check valve.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: April 15, 2014
    Assignee: Schaeffler Technologies GmbH & Co. KG
    Inventors: Matthew Evans, Matthew Erker