×

METHOD OF DIAGNOSING A LOW BOOST IN A DIESEL ENGINE

  • US 20120138026A1
  • Filed: 12/07/2010
  • Published: 06/07/2012
  • Est. Priority Date: 12/07/2010
  • Status: Abandoned Application
First Claim
Patent Images

1. A method to operate an electronically controlled internal combustion engine comprising:

  • a) determining whether changes in at least one engine operating condition has occurred;

    b) comparing actual engine boost signal with a predetermined boost signal;

    c) maintaining engine operating conditions for a predetermined period of time to ensure stability of boost signal gradient for a first predetermined period of time;

    d) determining whether boost signal gradient is stable for a second predetermined period of time;

    e) determining boost signal change by comparing stability of actual boost signal with a predetermined boost signal determining whether boost signal is stable; and

    f) ceasing boost signal monitoring prior to active boost signal gradient change.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×