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:
Aug. 10, 2021
Filed:
Apr. 30, 2018
Cummins Inc., Columbus, IN (US);
Agility Fuel Systems, Inc., Santa Ana, CA (US);
Gregory A. Weber, Greensburg, IN (US);
Todd F. Sloan, Kelowa, CA;
Eric Coupal-Sikes, Santa Monica, CA (US);
Morgan M. Andreae, Columbus, IN (US);
Jean-Patrick V. Rich, Nashville, IN (US);
Cummins Inc., Columbus, IN (US);
Abstract
Methods and systems, using a controller (), for performing de-rate operation of an engine () is disclosed. Controller () includes a de-rate condition detection unit (), an operational parameter adjustment unit (), and a de-rate condition monitoring unit (). De-rate condition detection unit () detects a low fuel condition based on a current delivery pressure level of the engine () detected at least one of: in a fuel tank () and along an inlet fuel rail () connecting the fuel tank () to the engine (). Operational parameter adjustment unit () performs the de-rate operation on the engine () by adjusting one or more operational parameters related to an engine () load based on the detected low fuel condition. De-rate condition monitoring unit () monitors the detected low fuel condition for a predetermined time period in response to the operational parameter adjustment performed by operational parameter adjustment unit ().