发明名称 |
COMMON RAIL MULTI-CYLINDER FUEL PUMP WITH INDEPENDENT PUMPING PLUNGER EXTENSION |
摘要 |
A fuel pump for an internal combustion engine is provided comprising a barrel including a central bore having a longitudinal axis, a plunger disposed partially in the central bore and movable along the longitudinal axis, a spring retainer, a first coil spring having a proximal end in contact with a first section of the barrel and a distal end in contact with the spring retainer to urge the spring retainer into engagement with a tappet assembly, an extender element coupled to the plunger, and a second coil spring having a proximal end in contact with a second section of the barrel and a distal end in contact with the extender element to urge the plunger toward the spring retainer, wherein the extender element includes a counter-bore to couple the extender element to the plunger. |
申请公布号 |
WO2016182572(A1) |
申请公布日期 |
2016.11.17 |
申请号 |
WO2015US30712 |
申请日期 |
2015.05.14 |
申请人 |
CUMMINS INC. |
发明人 |
SHAULL, Anthony, A.;PETERS, Lester, L.;WATSON, Brian, M.;MUNOZ, Roberto, M. |
分类号 |
F02M63/00;F02M37/04;F02M37/06;F02M57/00;F02M59/08;F02M59/10 |
主分类号 |
F02M63/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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