Patents by Inventor Adrian G. Grammar

Adrian G. Grammar 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).

  • Heated fuel injector
    Patent number: 7766254
    Abstract: A heated fuel injector includes a heated body, liquid fuel flowing through a fuel passage within the body, and a member that increases heat transfer from the heated body to the fuel within the fuel passage. The thermal efficiency of the fuel injector is increased separately or in combination by diverting the fuel flow along an inner circumferential contour of the heated body, by limiting the volume of fuel bypassing the heated inner surface of the body, by redirecting heat from the body to unheated portions of the fuel flow field within the fuel passage, and by increasing the available contact surface area for heat transfer. Improved heat transfer from the heated body to the fuel is achieved by integrating features that increase the contact surface area into the inside surface of the body or by positioning an insulating or a thermally conductive spacer within the fuel passage.
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: August 3, 2010
    Assignee: Delphi Technologies, Inc.
    Inventors: David J. Trapasso, Arthur R. Williams, Kevin S. Hoyer, Tanto Sugiarto, Michael A. Breed, Adrian G. Grammar, Keith E. McClain, Jason C. Short, Orlando Volpato Filho, Luciano Felice
  • Heated fuel injector
    Publication number: 20090294552
    Abstract: A heated fuel injector includes a heated body, liquid fuel flowing through a fuel passage within the body, and a member that increases heat transfer from the heated body to the fuel within the fuel passage. The thermal efficiency of the fuel injector is increased separately or in combination by diverting the fuel flow along an inner circumferential contour of the heated body, by limiting the volume of fuel bypassing the heated inner surface of the body, by redirecting heat from the body to unheated portions of the fuel flow field within the fuel passage, and by increasing the available contact surface area for heat transfer. Improved heat transfer from the heated body to the fuel is achieved by integrating features that increase the contact surface area into the inside surface of the body or by positioning an insulating or a thermally conductive spacer within the fuel passage.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 3, 2009
    Inventors: David J. Trapasso, Arthur R. Williams, Kevin S. Hoyer, Tanto Sugiarto, Michael A. Breed, Adrian G. Grammar, Keith E. McClain, Jason C. Short, Orlando Volpato, Luciano Felice