Patents by Inventor Dimitris ASSANIS

Dimitris ASSANIS 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).

  • Lean burn internal combustion engine
    Patent number: 10066580
    Abstract: An internal combustion engine having a fuel injector, a piston chamber, a piston slidably disposed in the piston chamber having a piston crown along a top surface, a head assembly having at least one pre-chamber separate from the piston chamber and in fluid communication with the piston chamber via at least one connecting orifice, and an ignition device disposed in the pre-chamber for igniting a fuel air mixture within the pre-chamber, thereby producing an ignition jet being introduced into the piston chamber via the at least one connecting orifice to ignite a fuel/air mixture in the piston chamber. The fuel/air mixture is passively introduced into the at least one pre-chamber during at least a compression stroke of the piston.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: September 4, 2018
    Assignees: The Regents of The University of Michigan, HYUNDAI AMERICA TECHNICAL CENTER, INC.
    Inventors: Dimitris Assanis, Margaret S. Wooldridge, Paul Neuman, Nayan Engineer
  • LEAN BURN INTERNAL COMBUSTION ENGINE
    Publication number: 20170107938
    Abstract: An internal combustion engine having a fuel injector, a piston chamber, a piston slidably disposed in the piston chamber having a piston crown along a top surface, a head assembly having at least one pre-chamber separate from the piston chamber and in fluid communication with the piston chamber via at least one connecting orifice, and an ignition device disposed in the pre-chamber for igniting a fuel air mixture within the pre-chamber, thereby producing an ignition jet being introduced into the piston chamber via the at least one connecting orifice to ignite a fuel/air mixture in the piston chamber. The fuel/air mixture is passively introduced into the at least one pre-chamber during at least a compression stroke of the piston.
    Type: Application
    Filed: October 13, 2016
    Publication date: April 20, 2017
    Inventors: Dimitris ASSANIS, Margaret S. WOOLDRIDGE, Paul NEUMAN, Nayan ENGINEER