发明名称 |
PLUNGER FOR AN INTERNAL COMBUSTION ENGINE FUEL PUMP |
摘要 |
A plunger of a fuel pump is disclosed. The plunger may have a cylindrical base configured for axial movement and rotation within a pump barrel. The plunger may also have a fuel amount controlling end. The fuel amount controlling end may have a recessed surface region. The fuel amount controlling end may also have a sealing surface region. Further, the fuel amount controlling end may have a control interface connecting the recessed surface region with the sealing surface section in a radial direction. The transition from the recessed surface region to the control interface may be curved. |
申请公布号 |
US2015107560(A1) |
申请公布日期 |
2015.04.23 |
申请号 |
US201314403094 |
申请日期 |
2013.05.21 |
申请人 |
Caterpillar Motoren GmbH & Co. KG |
发明人 |
Von Der Osten-Sack Andreas;Ohrt Ole |
分类号 |
F02M59/26;F16J1/00 |
主分类号 |
F02M59/26 |
代理机构 |
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代理人 |
|
主权项 |
1. A plunger of a fuel pump, comprising:
a cylindrical base configured for axial movement and rotation within a pump barrel; a fuel amount controlling end having an outer surface that comprises:
a recessed surface region;a sealing surface section; anda control interface connecting in the recessed surface region with the sealing surface section in a radial direction,wherein the transition from the recessed surface region to the control interface is curved with a curvature radius that has a radius equal or larger than about 1 mm. |
地址 |
Kiel DE |