公开(公告)号：US20150275834A1

公开(公告)日：2015-10-01

申请号：US14224882

申请日：2014-03-25

Applicant: CUMMINS INC.

Inventor： John D. Crofts ,  Justin Gregory Wenger

IPC: F02M59/10

CPC classification number: F02M59/102 ,  F01L1/14 ,  F01L1/146 ,  F01L1/245 ,  F01L1/255 ,  F01L2107/00 ,  F01M9/104 ,  F02M59/06 ,  F02M2041/1494 ,  F02M2200/02 ,  F04B1/0417 ,  F16J10/04

Abstract: 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.

Abstract translation: 用于内燃机的燃料泵组件包括燃料泵壳体，限定在燃料泵壳体中的圆柱形孔和容纳在圆柱形孔中的挺杆组件。 挺杆组件包括一个整体式的鞋，其具有设置在其底部的凹部，以及一个辊，其部分地容纳在该凹槽内并被构造为围绕一个辊轴旋转。

公开(公告)号：US20180266374A1

公开(公告)日：2018-09-20

申请号：US15539618

申请日：2014-12-23

Applicant: CUMMINS INC.

Inventor： Chin-pei WANG ,  Matthew B. State ,  Eric A. Benham ,  Justin Gregory Wenger ,  Alexander E. Lesin ,  Kyle J. Brewer

IPC: F02M59/10

CPC classification number: F02M59/102 ,  F02M59/44 ,  F02M2200/8061 ,  F04B1/0426 ,  F04B9/04 ,  F04B9/042

Abstract: A roller assembly, comprising a roller shoe having a bottom surface, and a groove at the bottom surface, the groove having a semicircular portion and a straight portion extending from the semicircular portion, the semicircular portion having a first diameter and the straight portion having a first width, and a cylindrical roller positioned in the roller shoe groove, the cylindrical roller having a second diameter, wherein the first width is greater than or equal to the first diameter and the second diameter is less than the first width.

公开(公告)号：US10436164B2

公开(公告)日：2019-10-08

申请号：US15539618

申请日：2014-12-23

Applicant: CUMMINS INC.

Inventor： Chin-pei Wang ,  Matthew B. State ,  Eric A. Benham ,  Justin Gregory Wenger ,  Alexander E. Lesin ,  Kyle J. Brewer

IPC: F02M59/10 ,  F02M59/44 ,  F04B9/04 ,  F04B1/04

Abstract: A roller assembly, comprising a roller shoe having a bottom surface, and a groove at the bottom surface, the groove having a semicircular portion and a straight portion extending from the semicircular portion, the semicircular portion having a first diameter and the straight portion having a first width, and a cylindrical roller positioned in the roller shoe groove, the cylindrical roller having a second diameter, wherein the first width is greater than or equal to the first diameter and the second diameter is less than the first width.

公开(公告)号：US09567960B2

公开(公告)日：2017-02-14

申请号：US14224882

申请日：2014-03-25

Applicant: Cummins Inc.

Inventor： John D. Crofts ,  Justin Gregory Wenger

IPC: F02M59/10 ,  F01M9/10 ,  F16J10/04 ,  F01L1/255 ,  F01L1/14 ,  F01L1/245 ,  F02M59/06 ,  F04B1/04 ,  F02M41/14

CPC classification number: F02M59/102 ,  F01L1/14 ,  F01L1/146 ,  F01L1/245 ,  F01L1/255 ,  F01L2107/00 ,  F01M9/104 ,  F02M59/06 ,  F02M2041/1494 ,  F02M2200/02 ,  F04B1/0417 ,  F16J10/04

Abstract: 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.

Abstract translation: 用于内燃机的燃料泵组件包括燃料泵壳体，限定在燃料泵壳体中的圆柱形孔和容纳在圆柱形孔中的挺杆组件。 挺杆组件包括一个整体式的鞋，其具有设置在其底部的凹部，以及一个辊，其部分地容纳在该凹槽内并被构造为围绕一个辊轴旋转。