公开(公告)号：US11661913B2

公开(公告)日：2023-05-30

申请号：US17321826

申请日：2021-05-17

申请人： DELPHI TECHNOLOGIES IP LIMITED

发明人： Brandon Kaswer ,  Joseph G. Spakowski ,  Robert Merkov

IPC分类号： F02M59/46 ,  F02M59/02 ,  F02M59/36 ,  F04B49/24

CPC分类号： F02M59/466 ,  F02M59/027 ,  F02M59/367 ,  F02M59/464 ,  F04B49/243

摘要： A fuel pump includes a pump housing with a pumping chamber an inlet valve bore. An inlet valve selectively provides and prevents fluid communication between an inlet of the fuel pump and the pumping chamber. The inlet valve includes an inner housing received within the inlet valve bore such that an outer periphery of the inner housing is sealed to an inner periphery of the inlet valve bore. An outer housing circumferentially surrounds the inner housing. An annular chamber is defined radially between the inner housing and the outer housing and axially between the outer housing and the pump housing. A sealing ring is located within the annular chamber such that the sealing ring is compressed axially against the pump housing and the outer housing.