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    • 6. 发明授权
    • Fuel filter in a fuel injection apparatus for internal combustion engines
    • 用于内燃机的燃料喷射装置中的燃料过滤器
    • US5360164A
    • 1994-11-01
    • US127029
    • 1993-09-24
    • Werner PapeFrancois Rossignol
    • Werner PapeFrancois Rossignol
    • F02M57/02F02M59/36F02M59/44F02M57/00F02M51/00
    • F02M59/366F02M57/02Y10S239/23
    • A fuel injection apparatus for internal combustion engines, having a pump piston, axially guided in a cylinder bore of a pump housing, driven in a reciprocating manner by a cam drive; the pump piston defines a pump work chamber with its face end. The pump work chamber communicates with an injection valve via a pressure conduit and fuel from a reservoir is fed in and removed via a fuel line that has a feed pump; the triggering of the supply onset and end of supply of the unit fuel injector is achieved by means of a magnet valve inserted in the feed line in the region of the pump housing. In order to prevent the deposit of dirt particles in the pump, the unit fuel injector has a fuel filter in the pump housing, which is inserted in a diversion chamber below the magnet valve, and upstream of which a baffle plate is provided in the direction of the magnet valve to protect the filter from the intense diversion stream.
    • 一种用于内燃机的燃料喷射装置,具有在泵壳体的气缸孔中轴向引导的泵活塞,所述泵活塞通过凸轮驱动以往复方式驱动; 泵活塞限定了具有其端面的泵工作室。 泵工作室通过压力管道与注射阀连通,并且来自储存器的燃料通过具有进料泵的燃料管线进入和移出; 单元燃料喷射器的供应开始和供应结束的触发通过插入在泵壳体的区域中的供给管线中的磁体阀来实现。 为了防止污垢颗粒沉积在泵中,单元燃料喷射器在泵壳体中具有燃料过滤器,其被插入在磁阀下面的转向室中,并且在其上游设置有挡板 的磁阀,以保护过滤器免受强力转向流。
    • 7. 发明授权
    • Electrically controlled unit fuel injector for fuel injection in diesel
engines
    • 用于柴油发动机燃料喷射的电控单元燃油喷射器
    • US4669659A
    • 1987-06-02
    • US775866
    • 1985-09-13
    • Jean LeblancJean PigerouletFrancois Rossignol
    • Jean LeblancJean PigerouletFrancois Rossignol
    • F02M57/02F02M59/36F02M59/44F02M55/00
    • F02M59/44F02M57/02F02M57/023F02M59/366
    • The unit fuel injector has a pump piston driven at a constant stroke length, which pumps fuel at injection pressure to an injection nozzle as long as an electrically actuated overflow valve blocks the flow of the fuel flowing from the pump work chamber to a low-pressure chamber via an overflow conduit. The overflow valve is inserted between a first section which communicates continuously with the pump work chamber and a second section leading to the low-pressure chamber of the overflow conduit and is secured to a housing part laterally projecting from the pump housing. The first section of the overflow conduit comprises a connecting bore leading away from the pump work chamber, a control conduit controlled by the overflow valve, and a transverse conduit connecting these two. The transverse conduit extends from the housing side remote from the projecting housing part to the control conduit, crossing through the cylinder bore and in every stroke position of the pump piston is sealed off, without additional sealing means, by the jacket face of the pump piston. The unit fuel injector is particularly suitable for high-pressure injection in Diesel engines.
    • 单元燃料喷射器具有以恒定的行程长度驱动的泵活塞,其将注射压力的燃料泵送到喷射喷嘴,只要电致动的溢流阀阻止从泵工作室流动的燃料的流动到低压 通过溢流管道。 溢流阀插入在与泵工作室连续连通的第一部分和通向溢流导管的低压室的第二部分之间,并且固定到从泵壳侧向突出的壳体部分。 溢流管道的第一部分包括远离泵工作室的连接孔,由溢流阀控制的控制管道和连接这两个的横向管道。 横向导管从壳体侧远离突出壳体部分延伸到控制管道,穿过气缸孔,并且在泵活塞的每个行程位置中,泵活塞的护套面没有额外的密封装置而被密封 。 单元燃油喷射器特别适用于柴油发动机的高压喷射。
    • 8. 发明授权
    • Fuel injection pump
    • 燃油喷射泵
    • US4452574A
    • 1984-06-05
    • US421176
    • 1982-09-22
    • Jean LeblancFrancois RossignolJean Pierre Cigolotti
    • Jean LeblancFrancois RossignolJean Pierre Cigolotti
    • F02M57/02F02M59/10F02M59/36F02M59/44
    • F02M59/102F02M57/023F02M59/365F02M59/44Y10T74/18296
    • The fuel injection pump of this invention proposes at least one cylinder, a piston, a drive rod, a guide sleeve for the drive means, a guide conduit embracing the guide sleeve, a restoring spring for the drive rod and piston, said piston being designed to execute a suction stroke under the influence of the restoring spring. The injection pump also comprises a locking mechanism comprising a bearing which extends into two recesses. The one recess is in the form of an annular groove located in the guide conduit. The other recess is a slot formed in the guide sleeve in its longitudinal direction. The locking mechanism prevents the guide sleeve together with the rod and piston from falling out after the injection pump has been assembled. The locking mechanism is inexpensive and easy to assemble because it requires only a single bearing in addition to already existing components of the injection pump.
    • 本发明的燃料喷射泵提出了至少一个气缸,活塞,驱动杆,用于驱动装置的导向套筒,包围导向套筒的导向导管,用于驱动杆和活塞的复原弹簧,所述活塞被设计 在复原弹簧的影响下执行吸入冲程。 注射泵还包括锁定机构,其包括延伸到两个凹部中的轴承。 一个凹槽是位于导向管道中的环形凹槽的形式。 另一个凹部是在引导套筒中沿其纵向方向形成的槽。 在组装注射泵之后,锁定机构防止导向套筒与杆和活塞一起脱落。 锁定机构便宜并且容易组装,因为除了注射泵已经存在的部件之外,它仅需要一个轴承。