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    • 25. 发明授权
    • Adjustable hydraulically operated stop
    • 可调节液压操作停止
    • US4478188A
    • 1984-10-23
    • US362373
    • 1982-03-26
    • Franz Eheim
    • Franz Eheim
    • F02M59/32F02M69/12F15B15/24F02M41/00
    • F02M69/125
    • An adjustable hydraulically operated stop for pulsed loading is proposed, which is particularly applicable for the metering piston of a fuel injection system. The stroke of this metering piston can be varied by adjusting a stop body by means of a metering converter. The supply chamber communicating with a fuel source or with the pump work chamber of one of the pump/nozzles of the fuel injection system, whose size is dependent on the stroke of the metering piston, determines the injected fuel quantity. The adjustable hydraulically operated stop encompasses a mechanical stop body, which is movably supported with respect to its adjusting member embodied by a sheath and communicates therewith via fluid, which also surrounds the adjusting member. The adjusting forces for the adjusting member are kept small, and the holding forces required to prevent a change in the position assumed by the adjusting member are kept equal to zero, because pressure fluctuations affecting the fluid are cancelled out with respect to the adjusting member. To this end, the adjusting member is received in its entirety within a fluid-filled chamber. A spring acting upon the stop body assures the constant renewal of the hydraulic cushion in the case of pulsed operation.
    • 提出了一种用于脉冲负载的可调节液压操作止动器,其特别适用于燃料喷射系统的计量活塞。 该计量活塞的行程可以通过借助于计量转换器调节止动体来改变。 与燃料源或燃料喷射系统的泵/喷嘴之一的泵工作室连通的供应室,其尺寸取决于计量活塞的冲程确定喷射的燃料量。 可调节液压操作的止动件包括机械止动体,该机构止动体相对于其由护套实现的调节构件可移动地支撑并且通过也围绕调节构件的流体与其连通。 调整构件的调节力保持较小,并且由于影响流体的压力波动相对于调节构件被抵消,因此防止由调节构件所假设的位置变化所需的保持力保持为零。 为此,将调节构件整体地容纳在流体填充室内。 作用在停止体上的弹簧保证在脉冲操作的情况下液压缓冲垫的不断更新。
    • 27. 发明授权
    • Shutoff apparatus for fuel injection pumps
    • 燃油喷射泵的关闭装置
    • US4407245A
    • 1983-10-04
    • US294077
    • 1981-08-19
    • Franz Eheim
    • Franz Eheim
    • F02D41/22F02D1/02F02M63/02F02D31/00
    • F02M63/0205
    • A shutoff apparatus for distributor injection pumps in internal combustion engines is proposed. The apparatus may also be used as a means of overspeed protection, and under the effect of an electromagnetic pushing magnet it opens the high-pressure chamber of the injection pump in order to shut off the engine. The opening of the high-pressure chamber is effected without the use of a valve subjected to the injection pressure, by means of the axial displacement of a pressure-equalized annular cylinder, which causes a relief bore to come into coincidence with the high-pressure chamber. The displacement of the annular cylinder is effected under the pressing action of an electromagnet. The area of the high-pressure chamber located opposite the distributor piston is sealed off by a slidable plug, which is pre-stressed by spring force and is centered via the annular cylinder by the distributor piston. The actuation push rod of the electromagnet acts in the direction along this slidable plug and it may in part replace this element.
    • 提出了一种用于内燃机分配器喷射泵的关闭装置。 该装置也可以用作超速保护装置,并且在电磁推动磁铁的作用下,它打开注射泵的高压室以便关闭发动机。 通过压力平衡的环形气缸的轴向位移,高压室的打开不受使用经受喷射压力的阀的影响,这导致溢流孔与高压 房间。 环形气缸的位移在电磁铁的按压作用下进行。 位于与分配器活塞相对的高压室的区域被可滑动的塞子密封,滑动塞被弹簧力预应力并且通过分配器活塞通过环形圆柱体居中。 电磁铁的致动推杆沿着该可滑动插头的方向作用,并且其部分可以替代该元件。
    • 30. 发明授权
    • Fuel injection pump for supercharged diesel internal combustion engines,
in particular a distributor-type injection pump
    • 用于增压柴油内燃机的燃油喷射泵,特别是分配器式喷射泵
    • US4308834A
    • 1982-01-05
    • US80914
    • 1979-09-28
    • Franz Eheim
    • Franz Eheim
    • F02B3/06F02D1/02F02D1/12F02D23/02F02M41/12F02M59/44F02D1/06F02D1/14
    • F02D1/025F02D1/127F02M41/126F02M59/447F02B3/06
    • A fuel injection pump is disclosed for supercharged Diesel internal combustion engines, in particular, a distributor-type injection pump in which the full-load fuel supply quantity is limited by means of a variable stop, controlled in accordance with rpm and air quantity. The injection pump includes a control apparatus whose control member forms a three-dimensional cam, which is rotated by a charge pressure control element and is displaced in the longitudinal direction by a hydraulic adjustment piston actuated in accordance with the rpm level. The three-dimensional surface of the cam includes protuberances whose profile is picked up and transmitted to a full-load stop of an rpm regulator located in an interior chamber of the injection pump, while the adjustment piston, in abutting relationship with the three-dimensional cam, is actuated for axial movement by the pressure of the fuel located in the interior chamber of the pump, and controlled in accordance with rpm.
    • 公开了一种用于增压柴油机内燃机的燃料喷射泵,特别是一种分配器式喷射泵,其中满载燃料供应量通过根据转速和空气量控制的可变停止来限制。 注射泵包括控制装置,其控制构件形成三维凸轮,该三维凸轮由加压压力控制元件旋转,并通过根据转速水平致动的液压调节活塞沿纵向位移。 凸轮的三维表面包括凸起,其轮廓被拾取并传递到位于注射泵的内部腔室中的rpm调节器的满载停止位置,而调节活塞与三维的邻接关系 凸轮通过位于泵的内部室中的燃料的压力被致动以进行轴向运动,并且根据转速进行控制。