Patents by Inventor Paul MOONJELLY

Paul MOONJELLY 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).

  • System and method of detecting hydraulic start-of-injection
    Patent number: 9010303
    Abstract: This disclosure provides system and method that can determine hydraulic start of injection (SOI) in engines using an in-cylinder pressure sensor. The system and method determine apparent heat release rate (AHRR) curve data for the cylinder from the pressure information provided by the in-cylinder pressure sensors, and the hydraulic SOI from the derivative of the AHRR curve data. The system and method provide diagnostic, control and/or compensation opportunities for fuel injector operation in high pressure fuel rail engine systems without use of expensive or complex fuel injector components.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: April 21, 2015
    Assignee: Cummins Intellectual Property, Inc.
    Inventors: Paul Moonjelly, Richard A. Booth, Lester L. Peters, Jeffrey C. Huang, Phanindra V. Garimella
  • SYSTEM AND METHOD OF DETECTING HYDRAULIC START-OF-INJECTION
    Publication number: 20120216777
    Abstract: This disclosure provides system and method that can determine hydraulic start of injection (SOI) in engines using an in-cylinder pressure sensor. The system and method determine apparent heat release rate (AHRR) curve data for the cylinder from the pressure information provided by the in-cylinder pressure sensors, and the hydraulic SOI from the derivative of the AHRR curve data. The system and method provide diagnostic, control and/or compensation opportunities for fuel injector operation in high pressure fuel rail engine systems without use of expensive or complex fuel injector components.
    Type: Application
    Filed: January 30, 2012
    Publication date: August 30, 2012
    Applicant: CUMMINS INTELLECTUAL PROPERTY, INC.
    Inventors: Paul MOONJELLY, Richard A. BOOTH, Lester L. PETERS, Jeffrey C. HUANG, Phanindra V. GARIMELLA