公开(公告)号：US10920727B2

公开(公告)日：2021-02-16

申请号：US16301497

申请日：2016-05-16

Applicant: CUMMINS INC.

Inventor： Anthony Shaull ,  David L. Buchanan ,  Lester L. Peters ,  Bradlee J. Stroia ,  William D. Daniel

IPC: F02M61/16 ,  B05B1/34 ,  F02M61/08 ,  F02M61/18 ,  F02M63/00

Abstract: A fluid injector assembly extending along a longitudinal axis comprising a housing, and an injector positioned within the housing, the injector comprising a injector body having an interior cavity, a plunger positioned within the interior cavity and comprising a plunger body, a fluid delivery passage along at least a portion of the plunger body, and a plunger tip positioned at a downstream end of the plunger body, the fluid delivery passage comprising a longitudinal passage and at least one internal swirl passage, and the internal swirl passage being angled relative to the longitudinal axis and extending from the longitudinal passage to an opening upstream of the plunger tip, and a nozzle positioned at a downstream end of the injector body and including at least one nozzle passage, fluid being delivered from an upstream end of the injector to the at least one nozzle passage through the fluid delivery passage.

公开(公告)号：US20190293039A1

公开(公告)日：2019-09-26

申请号：US16301497

申请日：2016-05-16

Applicant: CUMMINS INC.

Inventor： Anthony Shaull ,  David L. Buchanan ,  Lester L. Peters ,  Bradlee J. Stroia ,  William D. Daniel

IPC: F02M61/16 ,  F02M63/00 ,  B05B1/34 ,  F02M61/18 ,  F02M61/08

Abstract: A fluid injector assembly extending along a longitudinal axis comprising a housing, and an injector positioned within the housing, the injector comprising a injector body having an interior cavity, a plunger positioned within the interior cavity and comprising a plunger body, a fluid delivery passage along at least a portion of the plunger body, and a plunger tip positioned at a downstream end of the plunger body, the fluid delivery passage comprising a longitudinal passage and at least one internal swirl passage, and the internal swirl passage being angled relative to the longitudinal axis and extending from the longitudinal passage to an opening upstream of the plunger tip, and a nozzle positioned at a downstream end of the injector body and including at least one nozzle passage, fluid being delivered from an upstream end of the injector to the at least one nozzle passage through the fluid delivery passage.