Patents by Inventor Christoph Niessen

Christoph Niessen 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).

  • METHOD OF DIAGNOSING A LOW BOOST IN A DIESEL ENGINE
    Publication number: 20120138026
    Abstract: A method to operate an electronically controlled internal combustion engine to diagnose low boost. In one embodiment, the method may include determining whether changes in at least one engine operating condition has occurred; comparing actual engine boost signal with a predetermined boost signal; maintaining engine operating conditions for a predetermined period of time to ensure stability of boost signal gradient for a first predetermined period of time; determining whether boost signal gradient is stable for a second predetermined period of time; determining boost signal change by comparing stability of actual boost signal with a predetermined boost signal determining whether boost signal is stable; and ceasing boost signal monitoring prior to active boost signal gradient change.
    Type: Application
    Filed: December 7, 2010
    Publication date: June 7, 2012
    Applicant: Detroit Diesel Corporation
    Inventor: Christoph Niessen