Patents by Inventor Michael Chol

Michael Chol 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).

  • Vibration-based NVH control during idle operation of an automobile powertrain
    Patent number: 7174879
    Abstract: A system and method of operating a vehicle powertrain that employs active control to reduce NVH, particularly during idle. The method includes selectively operating the powertrain in at least a non-idle condition and an idle condition; receiving vibration signals from a sensor disposed on an internal combustion engine; controlling spark timing of the internal combustion engine based on vibration signals received from the sensor; and during the idle condition, modifying a speed and/or a load of the internal combustion engine based on vibration signals received from the sensor.
    Type: Grant
    Filed: February 10, 2006
    Date of Patent: February 13, 2007
    Assignee: Ford Global Technologies, LLC
    Inventors: Michael Chol, Stephen B. Smith, Gopichandra Surnilla, Imad Makki