公开(公告)号：EP2557307A1

公开(公告)日：2013-02-13

申请号：EP11176834.7

申请日：2011-08-08

Applicant: Delphi Technologies Holding S.à.r.l.

Inventor： Whitehead, Leon ,  Jury, Thomas ,  Hennig, Christian ,  Jorach, Rainer

IPC: F02M59/46 ,  F02M63/02

CPC classification number: F02M59/464 ,  F02M63/0265

Abstract: A pump head for a fuel pump for use in a common rail fuel injection system is provided. The pump head (100; 200; 300) comprises a pump head housing (102; 202; 302), a pumping chamber (106; 206; 306) defined within the pump head housing (102; 202; 302), and an inlet valve arrangement (108; 208; 308) for controlling fuel flow into the pumping chamber (106; 206; 306), the inlet valve arrangement (108; 208; 308) including an inlet valve member (110; 210; 310) moveable between open and closed positions wherein, in use, movement of the inlet valve member (110; 210; 310) is damped by means of viscoelastic damping.

Abstract translation: 提供了用于共轨燃料喷射系统的燃料泵的泵头。 泵头（100; 200; 300）包括泵头壳体（102; 202; 302），限定在泵头壳体（102; 202; 302）内的泵送室（106; 206; 306） （108; 208; 308），其用于控制​​燃料流入所述增压室（106; 206; 306），所述进气阀装置（108; 208; 308）包括可在两者之间移动的进气阀构件（110; 210; 310） 打开位置和关闭位置，其中在使用中，入口阀构件（110; 210; 310）的运动通过粘弹性阻尼来阻尼。

公开(公告)号：EP2657505A1

公开(公告)日：2013-10-30

申请号：EP12165506.2

申请日：2012-04-25

Applicant: Delphi Technologies Holding S.à.r.l.

Inventor： Jay, Mikko ,  Whitehead, Leon

IPC: F02M59/10 ,  F16H53/06 ,  F04B1/04

CPC classification number: F02M59/102 ,  F04B1/0426

Abstract: The present invention relates to a high pressure fuel pump assembly (1) for an internal combustion engine. A follower roller (39) is provided for engaging a cam (41) provided on a rotatable driveshaft (43). A shoe (19), which is guided in a shoe guide (21) having a guide face (55), cooperates with the follower roller (39) for reciprocating a fuel pump plunger (3). The shoe (19) has an upper side (25) and a lower side (27); a part cylindrical recess (37) being formed on the lower side (27) for cooperating with the follower roller (39). At least one aperture (57, 59; 59'; 59", 61; 63) is provided in the shoe guide (21) and/or the shoe (19) to form at least one fluid pathway for maintaining fluid communication between the upper and lower sides (25, 27) of the shoe (19). The present invention also relates to a shoe (19) and a shoe guide (21).

Abstract translation: 本发明涉及一种用于内燃机的高压燃料泵组件（1）。 提供从动辊（39）用于接合设置在可旋转驱动轴（43）上的凸轮（41）。 在具有引导面（55）的鞋导向件（21）中引导的鞋（19）与从动辊（39）配合以使燃料泵柱塞（3）往复运动。 鞋（19）具有上侧（25）和下侧（27）; 在下侧（27）上形成有用于与从动辊（39）配合的部分圆柱形凹部（37）。 至少一个孔（57,59; 59'; 59“，61; 63）设置在鞋导向件（21）和/或鞋（19）中，以形成至少一个流体通道，用于保持上部 和鞋子（19）的下侧（25,27），本发明还涉及一种鞋（19）和鞋导向件（21）。