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:
May. 13, 2025
Filed:
Jun. 04, 2024
Caterpillar Inc., Peoria, IL (US);
Eric L. Schroeder, Germantown Hills, IL (US);
Dana R. Coldren, Secor, IL (US);
Robert Graumüller, Kiel, DE;
Kaushik Krishnamurthy, Manteno, IL (US);
Dean C. Diers, Rapid City, SD (US);
Lifeng Wang, Dunlap, IL (US);
Jianhua Zhang, Dunlap, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A fuel injector in a fuel system having a first fuel supply of a first fuel and a second fuel supply of a second fuel includes a multifunctional control valve movable in the fuel injector to control admission of the first fuel to a combined-fuel outlet passage, and to control a timing and an injection pressure of a fuel charge containing the first fuel. In an embodiment the first fuel includes a compression-ignition fuel such as diesel and the second fuel includes an alcohol fuel such as methanol. Related apparatus and methodology is disclosed.