公开(公告)号：EP2538066A1

公开(公告)日：2012-12-26

申请号：EP11170541.4

申请日：2011-06-20

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

Inventor： Dupont, Richard ,  Marechal, Michel ,  Cardon, Christophe

IPC: F02M51/00 ,  F02M59/46 ,  F02M61/16 ,  F02M63/02 ,  F02M63/00 ,  F16K31/06 ,  F16L37/088

CPC classification number: F16K51/00 ,  F02M51/005 ,  F02M59/466 ,  F02M61/168 ,  F02M63/0017 ,  F02M63/023 ,  F16K27/029 ,  F16K31/06 ,  F16L27/0845 ,  F16L37/088 ,  Y10T137/0491 ,  Y10T137/598

Abstract: The invention relates to an assembly (30) for an electrically operated valve (34) in the automotive field aimed to increase the injection pressure of fuel distributed to combustion chambers, said assembly (30) comprising both a coil unit (32), wherein a solenoid (33) can control the movements of the electrically operated valve (34) in a housing along a given axis (36), and an hydraulic unit (35) to provide fuel at the injection pressure, a clip ring (38) being located into a cavity of the coil unit (32) and a cavity of the hydraulic unit (35) to maintain the coil unit (32) and the hydraulic unit (35) associated.
The invention is characterized in that the coil unit (32) presents a plurality of slots (46) providing access to the clip ring (38), across the coil unit, from the exterior of the assembly.

Abstract translation: 本发明涉及用于汽车领域中的电动阀（34）的组件（30），旨在增加分配给燃烧室的燃料的喷射压力，所述组件（30）包括线圈单元（32） 螺线管33可以控制壳体中的电动阀34沿给定轴线36的运动，并且液压单元35以注射压力提供燃料，夹环38位于壳体内， 进入线圈单元（32）的空腔和液压单元（35）的空腔以保持线圈单元（32）和液压单元（35）相关联。 本发明的特征在于，线圈单元（32）具有多个槽（46），从组件的外部穿过线圈单元提供通向夹环（38）的通路。

公开(公告)号：EP2535554A1

公开(公告)日：2012-12-19

申请号：EP11169945.0

申请日：2011-06-15

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

Inventor： Marechal, Michel ,  Sauvage, Frederic ,  Cardon, Christophe

IPC: F02M61/12 ,  F02M63/02 ,  F02M63/00 ,  F16K31/06

CPC classification number: F16K31/0658 ,  F02M61/12 ,  F02M63/0007 ,  F02M63/0015 ,  F02M63/0225 ,  F02M63/025

Abstract: An electro-valve for discharging a common rail while maintaining a minimum pressure, comprising an electro-magnetic coil inside which is arranged a movable plunger, controlling the displacements of a movable axis engaging a ball valve, said movable plunger being urged in the closing position of the ball valve by a spring housed inside a bearing cap, wherein a bottom wall of the bearing cap surrounds an external surface of the movable plunger, wherein a clearance between the external surface of the plunger and an internal wall of the bearing cap is filled with a film of fuel, the opening movement of the plunger causing the fuel to flow from a room situated on top of the plunger to a bore in which the axis is arranged, wherein a sleeve of a controlled thickness is arranged around the plunger within the clearance to set the thickness of said film of fuel.

Abstract translation: 一种用于在保持最小压力的同时排放共轨的电动阀，包括电磁线圈，其内设有可动柱塞，控制与球阀接合的可动轴的位移，所述可动柱塞被推动在关闭位置 通过容纳在轴承盖内的弹簧，其中所述轴承盖的底壁围绕所述可移动柱塞的外表面，其中所述柱塞的外表面与所述轴承盖的内壁之间的间隙被填充 具有燃料膜，柱塞的​​打开运动导致燃料从位于柱塞顶部的房间流动到其中布置轴线的孔，其中具有受控厚度的套筒围绕柱塞布置在内部 间隙设定所述薄膜的燃料厚度。