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:
Feb. 25, 2025
Filed:
Apr. 12, 2024
Caterpillar Inc., Peoria, IL (US);
Matthew Wolk, Peoria, IL (US);
Michael D. Roley, Washington, IL (US);
John R. McDonald, Peoria, IL (US);
Ry C. Colwell, Dunlap, IL (US);
Quinton Burcar, Chillicothe, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
Operating an engine includes opening and closing exhaust valves in an engine braking timing pattern, charging a first cylinder with air fed directly from an intake manifold, and releasing the directly fed air in a first braking event. Operating the engine further includes charging the first cylinder with air fed via a flow-through path through a second cylinder operating as an air conduit, and releasing the air fed through the flow-through path and pressurized to brake the engine in a second braking event. Related apparatus and valve lift profiles are also disclosed.