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    • 3. 发明公开
    • ELECTROMAGNETIC VALVE
    • ELEKTROMAGNETISCHES VENTIL
    • EP3118442A1
    • 2017-01-18
    • EP15762308.3
    • 2015-01-16
    • Hitachi Automotive Systems, Ltd.
    • TAKAOKU, AtsushiYANAGISAWA, YutaOGURA, Kiyotaka
    • F02M51/06
    • F02M51/0671F02M2200/02F02M2200/03F02M2200/08F02M2200/9038F02M2200/9061F16K1/12F16K31/0675
    • It is important not to form the partial bump in the collision structural part, however the fixed core and the movable core are relatively inclined due to an accumulation of tolerances and therefore even if each collision structural part of the fixed core and the movable core in formed in a flat shape, the fixed core and the movable core are contacted with not the whole of the collision structural parts but a part of the collision structural parts at the moment of the collision. In a case in which the collision structural part is formed in a ring shape or an intermittent ring shape, the fixed core and the movable core are contacted with each other at outer peripheral parts. Thus, when the fixed core and the movable core are collided with each other, a high stress is applied to the outer peripheral parts contacted first. Accordingly, the shape of the outer peripheral parts of the collision structural parts is important, however since such a part, which is a tiny protruding shape, requires high processing accuracy, to reduce stress occurred during collision while keeping productivity is difficult.
      In the present invention, an R-shaped part and a flat part are provided in order from an outer peripheral side of a collision structural part. Further, the R-shaped part and the flat part are connected in a tangent manner.
    • 重要的是不要在碰撞结构部分中形成部分凸块,然而由于公差的累积,固定芯和可动芯相对倾斜,因此即使固定芯和可动芯的每个碰撞结构部分形成 在平坦的形状中,固定铁芯和可动铁芯在碰撞时不与整个碰撞结构部件接触,而是碰撞结构部件的一部分。 在碰撞结构部形成为环状或间歇环形的情况下,固定铁芯和可动铁心在外周部分彼此接触。 因此,当固定铁心和可动铁心相互碰撞时,对首先接触的外周部件施加高应力。 因此,碰撞结构部件的外周部分的形状是重要的,然而由于这种微小的突出形状的部件需要高的加工精度,以减少碰撞期间发生的应力,同时保持生产率是困难的。 在本发明中,从碰撞结构部件的外周侧起依次设置有R字形部分和平坦部分。 此外,R形部分和平坦部分以切线方式连接。
    • 4. 发明公开
    • ELEKTROMAGNETISCH BETÄTIGTES VENTIL
    • ELEKTROMAGNETISCHBETÄTIGTESVENTIL
    • EP3077658A1
    • 2016-10-12
    • EP14786516.6
    • 2014-10-21
    • Robert Bosch GmbH
    • MEISIEK, AchimKOLB, Stefan
    • F02M59/36F02M63/00
    • F16K31/0655F02M59/368F02M63/0019F02M63/0022F02M63/0035F02M2200/02F02M2200/03F02M2200/08
    • The invention relates to an electromagnetically actuated valve (1), comprising a valve piston (3) bearing a valve plate (2). A spring plate (14) is fastened to the valve piston (3), against which spring plate a valve spring (15) that moves the valve (1) into a closed position lies. The valve also comprises an electromagnet (16), which has a coil (18) and an armature (19) that is arranged on an armature pin (20). The armature pin (20) interacts with the valve piston (3) by means of a contact point. According to the invention, an electromagnetically actuated valve (1) is provided whose function is improved while a low level of structural complexity is attained. This is achieved in that the contact point has a diameter that is enlarged in relation to the diameter of the armature pin (20) and of the valve piston (3) and is planar. Thus, the contact pressure is reduced in this region. Furthermore, by means of a magnetic stray field (29) introduced into the contact point, the closing speed of the valve (1) is increased because of an adherence of the components to each other at the contact point.
    • 本发明涉及一种电磁致动阀(1),包括一个带有阀板(2)的阀活塞(3)。 弹簧板(14)紧固到阀活塞(3)上,弹簧板将阀(1)移动到关闭位置的阀弹簧(15)。 阀还包括电磁体(16),其具有设置在电枢销(20)上的线圈(18)和电枢(19)。 电枢销(20)通过接触点与阀活塞(3)相互作用。 根据本发明,提供了一种电磁致动阀(1),其功能得到改善,同时获得了低水平的结构复杂性。 这是通过接触点具有相对于电枢销(20)和阀活塞(3)的直径扩大并且是平面的直径来实现的。 因此,在该区域中接触压力降低。 此外,通过引入接触点的磁性杂散场(29),由于在接触点处的部件彼此粘附,阀(1)的关闭速度增加。
    • 9. 发明公开
    • KRAFTSTOFFPUMPE
    • EP3001023A1
    • 2016-03-30
    • EP15186812.2
    • 2015-09-25
    • MAN Diesel & Turbo SE
    • Kovalev, Denis
    • F02M55/00F02M59/44F02M53/00F02M63/00
    • F02M55/00F02M53/00F02M59/442F02M63/0001F02M2200/02F02M2200/06
    • Kraftstoffpumpe (10), insbesondere Hochdruckkraftstoffpumpe eines Common-Rail-Kraftstoffsystems, mit einem in einem Pumpenzylinder (11) geführten Pumpenkolben (13), wobei im Bereich einer Ausnehmung (12) des Pumpenzylinders (11), in welcher der Pumpenkolben (13) geführt ist, eine über mindestens eine Zulaufbohrung (20) an ein erstes Druckniveau gekoppelte obere Zulaufnut (18) und eine über mindestens eine Ablaufbohrung (21) an ein zweites Druckniveau gekoppelte untere Ablaufnut (19) für der Schmierung und gegebenenfalls Kühlung dienenden Kraftstoff ausgebildet ist, wobei zwischen einer oberen Kante (23) der unteren Ablaufnut (19) und einer unteren Kante (22) der oberen Zulaufnut (18) ein Führungssteg (24) für den Pumpenkolben (13) ausgebildet ist, und wobei die oder jede zu der oberen Zulaufnut (18) führende Zulaufbohrung (20) benachbart zu der unteren Kante (22) der oberen Zulaufnut (18) in die obere Zulaufnut (18) mündet.
    • 本发明涉及一种燃料泵(10),更具体地说,涉及一种共轨燃料系统的高压燃料泵。 燃料泵(10)包括在泵缸(11)中引导的泵柱塞(13)。 燃料泵(10)还包括:上部供应槽(18),其通过至少一个供应孔(20)连接到第一压力水平,用于在需要时润滑或冷却的燃料,所述供应孔在凹部(12)的区域中 其中泵柱塞(13)被引导的泵缸(11) 以及通过至少一个排出孔(21)连接到第二压力水平的下排放槽(19)。 用于泵柱塞(13)的导向腹板(24)形成在下排水槽(19)的上边缘(23)和上供水槽(18)的下边缘(22)之间。 连接到上供应槽(18)的相应的供应槽(20)邻近上供应槽(18)的下边缘(22)设置并连接到上供应槽(18)的内部。