公开(公告)号：US11713740B1

公开(公告)日：2023-08-01

申请号：US17958910

申请日：2022-10-03

Applicant: HARBIN ENGINEERING UNIVERSITY

Inventor： Jianhui Zhao ,  Jingyan Chen ,  Heng Zhang ,  Shuo Chen

IPC: F02M55/04 ,  F02M63/02 ,  F02M61/10 ,  F02M47/02 ,  F02M61/16

CPC classification number: F02M55/04 ,  F02M47/027 ,  F02M61/10 ,  F02M63/0275 ,  F02M61/16 ,  F02M2200/28 ,  F02M2200/315 ,  F02M2200/40

Abstract: The present disclosure provides a high-pressure common rail fuel injector capable of achieving highly stable injection based on the throttling damping-accommodating effect in the present disclosure, comprising a fuel injector housing, a fuel pipe connector, an accumulator chamber, a fuel chamber control valve, a pressure fluctuation absorption assembly, a control valve assembly and a nozzle assembly; the accumulator chamber is installed in the fuel injector housing, and the fuel pipe connector is installed above the accumulator chamber; the fuel chamber control valve, the pressure fluctuation absorption assembly and the control valve assembly are installed in the fuel injector housing, and the nozzle assembly is arranged below the control valve assembly; and the accumulator chamber is separated into a main accumulator chamber, an auxiliary accumulator chamber and a fuel-return accumulator chamber.