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:
Nov. 14, 2023
Filed:
Dec. 01, 2022
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Dana R. Coldren, Secor, IL (US);
Lifeng Wang, Dunlap, IL (US);
Eric L. Schroeder, Germantown Hills, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 43/04 (2006.01); F02M 51/06 (2006.01); F02M 55/00 (2006.01); F02M 47/04 (2006.01);
U.S. Cl.
CPC ...
F02M 43/04 (2013.01); F02M 47/046 (2013.01); F02M 51/06 (2013.01); F02M 55/002 (2013.01);
Abstract
A fuel injector capable of injecting a plurality of different fuels in a single fuel injection event includes a body including a primary fuel path and a pilot fuel path and a first plunger in fluid communication with the pilot fuel path. The fuel injector also includes a second plunger in fluid communication with the primary fuel path and with the pilot fuel path, a hydraulic control chamber within the pilot fuel path, and an injection valve at which the primary fuel path and the pilot fuel path connect to each other.