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. 25, 2021
Filed:
Jun. 03, 2019
Caterpillar Energy Solutions Gmbh, Mannheim, DE;
Darshit Shah, Mannheim, DE;
Caterpillar Energy Solutions GmbH, Mannheim, DE;
Abstract
A method for controlling the ignition energy of a sparkplug electrode of an ignition system comprises: providing a base current (I) and a base duration (D) which corresponds to the current and duration, respectively, of a physical model at a fixed engine operating point; multiplying the base current (I) and the base duration (D) with a sparkplug state indicator (SSI) based correction factor and with an engine operating state (EOS) based factor for achieving a final global current (I) and a final global duration (D), respectively; and communicating the final global current (I) and the final global duration (D) to a control unit for controlling the ignition energy and ignition duration of the sparkplug electrode. Further executing real-time energy control based on misfire flag status and, in the end, making sure that the optimum energy is into application by realizing optimum energy tests.