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    • 1. 发明公开
    • Valve assembly
    • Ventilanordnung
    • EP2687712A1
    • 2014-01-22
    • EP12177133.1
    • 2012-07-19
    • Delphi Technologies Holding S.à.r.l.
    • Marechal, MichelRouillon, RaphaelPereira, EtienneAntuna, Thierry
    • F02M59/36F02M59/46F02M63/00F04B7/00F04B53/10
    • F02M59/466F02M59/368F02M63/0022F02M2200/502F04B1/0452F04B1/0465F04B53/103
    • An inlet valve assembly (14) for a high-pressure fuel pump is disclosed. The inlet valve assembly comprises an inlet valve member (28) moveable between open and closed positions to control the fuel flow from a source (24) of low-pressure fuel to a pumping chamber (16) of the fuel pump, and an electromagnetic actuator (50) comprising a core member (52), a solenoid coil (54), and an armature (58) moveable towards the core member (52) in response to energisation of the coil (54). In a first phase of operation, the armature (58) is decoupled from the valve member (28) to allow movement of the armature (58) towards the core member (52) without movement of the valve member (28) and, in a second phase of operation, the armature (58) is coupled to the valve member (28) to carry the valve member (28) towards its closed position. Because the armature (58) is initially decoupled from the valve member (28), variations in concentricity and part dimensions due to manufacturing tolerances can be accommodated without affecting operation of the valve assembly.
    • 公开了一种用于高压燃料泵的入口阀组件(14)。 入口阀组件包括可在打开和关闭位置之间移动的入口阀构件(28),以控制从低压燃料源(24)到燃料泵的泵送室(16)的燃料流动,以及电磁致动器 (50),包括芯构件(52),螺线管线圈(54)和电枢(58),所述电枢响应于所述线圈(54)的通电而朝向所述芯构件(52)移动。 在第一操作阶段中,电枢(58)与阀构件(28)分离,以允许电枢(58)朝向芯构件(52)移动,而不会移动阀构件(28),并且在 电枢(58)联接到阀构件(28)以将阀构件(28)运送到其关闭位置。 由于电枢(58)最初与阀构件(28)分离,所以可以适应由制造公差引起的同心度和部件尺寸的变化,而不影响阀组件的操作。
    • 3. 发明公开
    • Injection pump systems and methods of operation
    • Einspritzpumpensystem
    • EP2647824A1
    • 2013-10-09
    • EP12163322.6
    • 2012-04-05
    • Delphi Technologies Holding S.à.r.l.
    • Harcombe, Anthony
    • F02M59/20F02M59/36F02M63/02F02M59/46
    • F02M59/205F02M59/366F02M59/367F02M59/462F02M59/466F02M63/023
    • The present invention relates to an injection pump system (1). An injection pump (3) is provided for supplying high pressure fuel. A low pressure fuel line (5) is provided in fluid communication with an inlet of the injection pump (3). A high pressure fuel line (7) is provided in fluid communication with an outlet of the injection pump (3) and a fuel rail. A control valve (27) is provided for controlling filling of the injection pump (3). The injection pump system is provided with a control unit for controlling operation of the control valve (27). The control unit is configured to close the control valve (27) to inhibit the supply of fuel to the injection pump when the rail pressure is within a target pressure range. The invention also relates to a method of operating an injection pump system. An aspect of the invention also relates to a fuel injection system.
    • 本发明涉及一种注射泵系统(1)。 提供一种用于供应高压燃料的注射泵(3)。 低压燃料管路(5)设置成与注射泵(3)的入口流体连通。 提供与喷射泵(3)的出口和燃料轨道流体连通的高压燃料管线(7)。 设置有用于控制注射泵(3)的填充的控制阀(27)。 喷射泵系统设置有用于控制控制阀(27)的操作的控制单元。 控制单元构造成当轨道压力在目标压力范围内时关闭控制阀(27)以禁止向喷射泵供应燃料。 本发明还涉及一种操作注射泵系统的方法。 本发明的一个方面还涉及一种燃料喷射系统。
    • 9. 发明公开
    • Electro-valve for discharging common rail
    • Elektroventil zur Common-Rail-Entladung
    • EP2535554A1
    • 2012-12-19
    • EP11169945.0
    • 2011-06-15
    • Delphi Technologies Holding S.à.r.l.
    • Marechal, MichelSauvage, FredericCardon, Christophe
    • F02M61/12F02M63/02F02M63/00F16K31/06
    • F16K31/0658F02M61/12F02M63/0007F02M63/0015F02M63/0225F02M63/025
    • 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.
    • 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。