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.

Date of Patent:
Mar. 07, 2023

Filed:

Feb. 16, 2021
Applicant:

Caterpillar Inc., Peoria, IL (US);

Inventors:

Jonathan W. Anders, Peoria, IL (US);

Bobby John, Peoria, IL (US);

Robert Campion, Chillicothe, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 45/00 (2006.01); F02M 45/08 (2006.01); F02B 23/06 (2006.01); F02M 47/02 (2006.01);
U.S. Cl.
CPC ...
F02M 45/086 (2013.01); F02B 23/0627 (2013.01); F02B 23/0651 (2013.01); F02B 23/0666 (2013.01); F02M 47/027 (2013.01); F02M 2200/46 (2013.01);
Abstract

Operating an engine includes injecting a first charge of liquid fuel using a first set of nozzle outlets in a fuel injector, and injecting a second charge of liquid fuel using a second set of nozzle outlets in a fuel injector. The first charge is autoignited in a first engine cycle, and the second charge is autoignited in a second engine cycle, and may be used to pilot ignite a charge of gaseous fuel. Operating the engine further includes limiting errors in targeting of the second charge of liquid fuel caused by transitioning the engine from a first combination to a second combination of speed, load, and boost, by varying an injection pressure of the liquid fuel from the first engine cycle to the second engine cycle.


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