The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 17, 1983
Filed:
Jul. 20, 1981
Frederick G Willis, Ann Arbor, MI (US);
Richard R Radtke, Plymouth, MI (US);
Joseph Ellison, Detroit, MI (US);
Steven R Fozo, Westland, MI (US);
Glenn A Kern, Ann Arbor, MI (US);
Ford Motor Company, Dearborn, MI (US);
Abstract
This specification discloses a method for generating a table of engine calibration control values for an adaptive spark and EGR control strategy. The adaptive strategy adjusts spark timing and magnitude of EGR as a function of engine energy usage per distance traveled while maintaining feedgas emissions at a constant level over a wide variety of driving patterns including urban, suburban and highway. This adaptive strategy has advantageous fuel consumption characteristics which are greatest at the most constrained feedgas levels. Drivability can be enhanced because of the greater calibration flexibility inherent to the adaptive technique.