Patents by Inventor Jeff Chester Lyjak

Jeff Chester Lyjak 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: 8417439
    Abstract: A system for improving engine performance and emissions is presented. The system can lower exhaust pressure and improve engine breathing. In one example, exhaust gases are combined to reduce exhaust pressure during exhaust valve overlap.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: April 9, 2013
    Assignee: Ford Global Technologies, LLC
    Inventors: Adam Michael Christian, Jeff Chester Lyjak, Beth Ann Dalrymple
  • Publication number: 20110139104
    Abstract: A system for improving engine performance and emissions is presented. The system can lower exhaust pressure and improve engine breathing. In one example, exhaust gases are combined to reduce exhaust pressure during exhaust valve overlap.
    Type: Application
    Filed: July 2, 2010
    Publication date: June 16, 2011
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Adam Michael Christian, Jeff Chester Lyjak, Beth Ann Dalrymple
  • Patent number: 7845327
    Abstract: A system and method for lash adjustment in the valvetrain of an internal combustion engine include a hydraulic lash adjuster having a damping device to limit rate of movement of a plunger relative to a body to control response time of the lash adjuster reducing or eliminating over-compensation or pump-up of the lash adjuster.
    Type: Grant
    Filed: August 19, 2007
    Date of Patent: December 7, 2010
    Assignee: Ford Global Technologies, LLC
    Inventors: Kevin V. Tallio, Jeff Chester Lyjak, Floyd Melvin Comer
  • Publication number: 20090044775
    Abstract: A system and method for lash adjustment in the valvetrain of an internal combustion engine include a hydraulic lash adjuster having a damping device to limit rate of movement of a plunger relative to a body to control response time of the lash adjuster reducing or eliminating over-compensation or pump-up of the lash adjuster.
    Type: Application
    Filed: August 19, 2007
    Publication date: February 19, 2009
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Kevin V. Tallio, Jeff Chester Lyjak, Floyd Melvin Comer