Patents by Inventor Ronald W. Knoebel

Ronald W. Knoebel 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).

  • Publication number: 20150260286
    Abstract: A system includes a control module that determines a current gear of a vehicle. An active fuel management (AFM) and shift module determines an upshift vehicle speed threshold and a downshift vehicle speed threshold based in part on the current gear, selectively provides an indication to a driver to perform a vehicle upshift or an indication to the driver to perform a vehicle downshift based on a comparison between a vehicle speed and each of the upshift vehicle speed threshold and a downshift vehicle speed threshold, and selectively provides the indication to the driver to perform the vehicle downshift based on a determination that AFM is not enabled in the current gear and that AFM would be enabled in response to the vehicle downshift.
    Type: Application
    Filed: March 11, 2014
    Publication date: September 17, 2015
    Applicant: GM Global Technology Operations LLC
    Inventors: Larry D. Laws, Ronald W. Knoebel, Craig W. Stumpf, Daniel Molnar
  • Patent number: 9127603
    Abstract: A system for a vehicle includes a rate of change module, a period estimation module, a deceleration fuel cutoff (DFCO) module, and an injection control module. The rate of change module determines a rate of change of an engine speed. While an engine is being fueled, the period estimation module determines an estimated period of a next DFCO event based on the rate of change of the engine speed. The DFCO control module selectively generates a DFCO signal based on the estimated period. The injection control module cuts off fuel to the engine when the DFCO signal is generated.
    Type: Grant
    Filed: January 26, 2012
    Date of Patent: September 8, 2015
    Inventors: Ronald W. Knoebel, Krishnendu Kar, Ryan Goode
  • Publication number: 20130080031
    Abstract: A system for a vehicle includes a rate of change module, a period estimation module, a deceleration fuel cutoff (DFCO) module, and an injection control module. The rate of change module determines a rate of change of an engine speed. While an engine is being fueled, the period estimation module determines an estimated period of a next DFCO event based on the rate of change of the engine speed. The DFCO control module selectively generates a DFCO signal based on the estimated period. The injection control module cuts off fuel to the engine when the DFCO signal is generated.
    Type: Application
    Filed: January 26, 2012
    Publication date: March 28, 2013
    Applicant: GM Global Technology Operations LLC
    Inventors: Ronald W. Knoebel, Krishnendu Kar, Ryan Goode