公开(公告)号：US12297795B1

公开(公告)日：2025-05-13

申请号：US18732686

申请日：2024-06-04

Applicant: Caterpillar Inc.

Inventor： Eric L. Schroeder ,  Dana R. Coldren ,  Robert Graumüller ,  Kaushik Krishnamurthy ,  Dean C. Diers ,  Lifeng Wang ,  Jianhua Zhang

IPC: F02M43/04 ,  F02D19/06 ,  F02M55/00

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.