公开(公告)号：US11780323B1

公开(公告)日：2023-10-10

申请号：US17834313

申请日：2022-06-07

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jason M. Andrzejewski ,  Timothy E. McCarthy ,  Marvin H. Miller ,  Clifford A. Lyons

IPC: B60K15/00 ,  B60K15/035

CPC classification number: B60K15/03519 ,  B60K15/03504 ,  B60K2015/03514

Abstract: A fuel tank system includes a fuel tank and a fuel pump assembly arranged in the fuel tank and including a fuel pump and a vacuum source. A fuel tank venting system includes a first vent valve arranged in the fuel tank. A storage vessel is arranged in the fuel tank and in fluid communication with the first vent valve. A first fluid line arranged in the fuel tank connecting the storage vessel to the vacuum source of the fuel pump assembly. A second fluid line connects the storage vessel to an evaporative emission system.