Patents by Inventor Joe Ulrey

Joe Ulrey 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).

  • METHOD AND SYSTEM FOR OPERATING AN ENGINE
    Publication number: 20220106921
    Abstract: A method for operating an engine during a fuel cut-off mode is disclosed. The method may adjust exhaust valve opening timing and exhaust valve lift of one or more cylinders to heat air flowing through the one or more cylinders so that a temperature of an after treatment device may be maintained or increased.
    Type: Application
    Filed: October 7, 2020
    Publication date: April 7, 2022
    Inventors: Chris Glugla, Joe Ulrey