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:
Jun. 23, 2026
Filed:
Apr. 17, 2024
Caterpillar Inc., Peoria, IL (US);
Andrew Jordon Neaville, Mt. Pulaski, IL (US);
Jeffrey Michael Thate, Washington, IL (US);
Zachary Scott Engstrom, East Peoria, IL (US);
Michael T. Graziano, Jr., Washington, IL (US);
Ryan Michael Snodgrass, Fowler, IN (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A system and method for venting gaseous fuel from an engine of an engine system are described. The engine system includes multiple vent valves that allow a controller of the engine system to vent different volumes of a fuel feed line that deliver the fuel to the engine. An engine purge controller controls the closing of isolation valves and the opening of vent valves to reduce a probability of fuel remaining in an isolation portion of the fuel feed line. The engine purge controller further controls the introduce of a purge gas to purge portions of the fuel from the fuel feed line through one or more of the vent valves.