公开(公告)号：US20250146462A1

公开(公告)日：2025-05-08

申请号：US18921613

申请日：2024-10-21

Applicant: Cummins Inc.

Inventor： Scott M. Biegert ,  Brian J. Wright ,  Darin Bartholomew

IPC: F02M61/18 ,  F02M61/16

Abstract: A fuel injector and a nozzle for a fuel injector is provided. The nozzle is fabricated from a hardened nozzle body blank. The hardened nozzle body blank is machined to leave a hard wear resistant layer on the exterior surface of nozzle body blank. The nozzle includes at least one spray hole that is formed through the hard wear resistant layer on the exterior surface of the nozzle body blank.

公开(公告)号：US20240133355A1

公开(公告)日：2024-04-25

申请号：US18476544

申请日：2023-09-27

Applicant: Cummins Inc.

Inventor： Romaine O. Edwards ,  Frank Husmeier ,  Darin Bartholomew ,  Manoj M. Thete

IPC: F02M61/18

CPC classification number: F02M61/18 ,  F02M2200/02 ,  F02M2200/9046 ,  F02M2200/9061

Abstract: A fuel injector and a nozzle for a fuel injector is provided. The nozzle includes at least one spray hole that is formed through a hardened nozzle body. The nozzle body is hardened again after forming the at least one spray hole to hardened the nozzle body along the at least one spray hole.

公开(公告)号：US20240229753A9

公开(公告)日：2024-07-11

申请号：US18476544

申请日：2023-09-28

Applicant: Cummins Inc.

Inventor： Romaine O. Edwards ,  Frank Husmeier ,  Darin Bartholomew ,  Manoj M. Thete

IPC: F02M61/18

CPC classification number: F02M61/18 ,  F02M2200/02 ,  F02M2200/9046 ,  F02M2200/9061

Abstract: A fuel injector and a nozzle for a fuel injector is provided. The nozzle includes at least one spray hole that is formed through a hardened nozzle body. The nozzle body is hardened again after forming the at least one spray hole to hardened the nozzle body along the at least one spray hole.