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:
Jan. 23, 2024
Filed:
Jan. 24, 2022
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Russell P Fitzgerald, Peoria, IL (US);
Glen Clifford Martin, Peoria, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 29/06 (2006.01); F02M 35/10 (2006.01); F02M 67/02 (2006.01); F02M 69/04 (2006.01); F02M 69/08 (2006.01);
U.S. Cl.
CPC ...
F02M 29/06 (2013.01); F02M 35/10085 (2013.01); F02M 35/10216 (2013.01); F02M 67/02 (2013.01); F02M 69/047 (2013.01); F02M 69/08 (2013.01);
Abstract
A fuel injector includes a nozzle body, and spray ducts coupled to the nozzle body and in spray path alignment with spray orifices therein. A nozzle check is movable within the nozzle body to open and close the spray orifices. Each of the spray ducts defines a duct center axis, and includes a center body forming, together with a duct inner surface, a spray jet passage circumferential of the duct center axis and reduced in area in a direction of spray jet advancement from the nozzle body.