| 发明名称 |
FUEL PUMP TAPPET ASSEMBLY |
| 摘要 |
A fuel pump assembly for an internal combustion engine includes a fuel pump housing, a cylindrical bore defined in the fuel pump housing, and a tappet assembly received in the cylindrical bore. The tappet assembly includes a one-piece shoe having a recess disposed in a bottom portion thereof, and a roller that is partially received within the recess and configured to rotate about a roller axis. |
| 申请公布号 |
US2015275834(A1) |
申请公布日期 |
2015.10.01 |
| 申请号 |
US201414224882 |
申请日期 |
2014.03.25 |
| 申请人 |
CUMMINS INC. |
发明人 |
Crofts John D.;Wenger Justin Gregory |
| 分类号 |
F02M59/10 |
主分类号 |
F02M59/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A fuel pump assembly for an internal combustion engine comprising:
a fuel pump housing; a cylindrical bore defined in the fuel pump housing, wherein an upper end of the cylindrical bore is closed by a lower surface of a cylinder head; and a tappet assembly slideably received in the cylindrical bore, wherein the tappet assembly includes a one-piece shoe having a recess defined in a bottom portion thereof, and a roller that is partially received within the recess and configured to engage a cam lobe and to rotate about a roller axis, wherein the shoe comprises a peripheral surface having a cylindrical shape that is configured to correspond to an inside surface of the cylindrical bore. |
| 地址 |
COLUMBUS IN US |
