公开(公告)号：WO2021178118A1

公开(公告)日：2021-09-10

申请号：PCT/US2021/017520

申请日：2021-02-11

Applicant: CUMMINS INC.

Inventor： RAGUNATHAN, Srivathsan ,  KREMS, Joshua R. ,  RAJAMOHAN, Divakar ,  RAMISETTY, Karthik

IPC: F02M61/00 ,  F02M61/18

Abstract: A nozzle body of a fuel injector includes a proximal end, a distal end spaced apart from the proximal end, and at least one spray hole positioned at the distal end. The at least one spray hole includes an inlet having a first cross-sectional shape and an outlet having a second cross-sectional shape different from the first cross-sectional shape. In other embodiments, the nozzle body has a first row of spray holes and a second row of spray holes, and a cross-sectional shape of spray holes in the first row is different from the cross-sectional shape of spray holes in the second row.