公开(公告)号：US11873888B1

公开(公告)日：2024-01-16

申请号：US18056890

申请日：2022-11-18

Applicant: GM Global Technology Operations LLC

Inventor： Huaxin Li ,  Debkumar Rakshit ,  Cheonjae Bahk ,  Pankaj Kumar Jha ,  William John Wilson

IPC: F16H48/38 ,  F16H48/40

CPC classification number: F16H48/40 ,  F16H2048/382 ,  F16H2048/385

Abstract: A differential carrier and ring gear assembly for a vehicle is provided. The assembly comprises a differential carrier, a ring gear, and a weld nugget. The differential carrier comprises an outer surface including a first contact face having a weld end extending to a root end. The first contact face has a first slot formed on a first radial portion thereof. The ring gear is disposed about the differential carrier and comprises an inner side having an inner surface. The inner side has a stop flange abutting the root end. The inner surface comprises a second contact face disposed on the first contact face such that the root end is in abutment with the second end. The first and second hollow channels define a pocket therebetween and the first slot defines a first vent hole for venting. The weld nugget is disposed between the first and second contact faces.