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:
Dec. 04, 2018
Filed:
Jan. 23, 2018
Caterpillar Inc., Peoria, IL (US);
Matthew Jordan Engfehr, Dunlap, IL (US);
Nathan Atterberry, Washington, IL (US);
Caterpillar Inc., Deerfield, IL (US);
Abstract
Operating a dual fuel engine system includes firing combustion cylinders on a liquid fuel or both the liquid fuel and a gaseous fuel, and selectively cutting out at least one of the combustion cylinders based on a cylinder pressure parameter. A subset of those combustion cylinders remaining active after cylinder cutout is fired at a gas-to-liquid substitution ratio based on a user-settable combustion optimization term. The optimization term can include an efficiency term, an emissions term, and/or a fuel cost term, each of which has a finite range of values including a diesel equivalency value.