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    • 8. 发明公开
    • PUMPE, INSBESONDERE EINE KRAFTSTOFFHOCHDRUCKPUMPE
    • PUMPE,INSBESONDERE EINE KRAFTSTOFFHOCHDRUCKPUMPE
    • EP3039282A1
    • 2016-07-06
    • EP14742485.7
    • 2014-07-17
    • Robert Bosch GmbH
    • ALEKER, Jochen
    • F02M59/44F02M59/46F02M59/48
    • F02M59/44F02M59/466F02M59/485
    • The invention relates to a pump, in particular a high-pressure fuel pump, having a housing part (10) in which a pump piston (14) is disposed movably in a cylindrical bore (12), which pump piston (14) delimits a pump working chamber (16) in the cylindrical bore (12). An inlet valve (26), by which the pump working chamber (16) can be connected to an intake (27), is disposed in the housing part (10). A metering device (80), by which the amount of conveying medium delivered to the pump working chamber (16) is variably adjustable, is provided in the intake (27). The intake (27) extends at least partially in a low-pressure module (70; 170) connected to the pump, and the metering device (80) is disposed on the low-pressure module (70). The housing part (10) has a hollow cylindrical projection (50) which adjoins the cylindrical bore (12) and in which the inlet valve (26) is disposed. The low-pressure module (70) is fitted onto the hollow cylindrical projection (50) of the housing part (10) and the intake extends from the metering device (80) to the inlet valve (26) through the hollow cylindrical projection (50).
    • 本发明涉及一种具有壳体部分(10)的泵,特别是高压燃料泵,其中泵活塞(14)可移动地设置在圆柱形孔(12)中,该泵活塞(14)限定一个 泵工作室(16)在圆筒孔(12)中。 入口阀(26)通过该入口阀(26)设置在壳体部分(10)中,泵工作室(16)可连接到进气口(27)。 在进气口(27)中设置有计量装置(80),通过该计量装置输送到泵工作室(16)的输送介质的量是可变的。 入口(27)至少部分地延伸到连接到泵的低压模块(70; 170)中,并且计量装置(80)设置在低压模块(70)上。 壳体部分(10)具有中空圆柱形突起(50),其邻接圆柱形孔(12)并且其中设置有入口阀(26)。 低压模块(70)装配到壳体部分(10)的中空圆柱形突起(50)上,并且进气口通过中空圆柱形突起(50)从计量装置(80)延伸到进气阀 )。
    • 9. 发明公开
    • KOLBENPUMPE
    • EP2823177A1
    • 2015-01-14
    • EP13700489.1
    • 2013-01-07
    • Robert Bosch GmbH
    • MEIER, GerhardMEINZER, DominikSCHETTER, MarkusALEKER, JochenGENTE, ArnoldDUTT, AndreasMAURER, FrankGREINER, Matthias
    • F02M59/10F04B1/04
    • F02M59/102F04B1/0404F04B1/0426F04B1/0435F04B1/0439
    • The invention relates to a piston pump, in particular a high-pressure fuel pump, comprising a housing (1), a piston and a drive shaft (2) having a cam section (3) on which the piston is at least indirectly supported via a guide roller (5) that is rotatably mounted in a roller plunger (4), wherein laterally on either of the two sides of the cam section (3) a rim (6) is provided that protrudes in the radial direction beyond the cam section (3), wherein the rim (6) tapers on one front face directed towards the guide roller (5) to an outer circumference of the rim (6), wherein the rim (6) is in particular conical, so that an angular opening results, wherein the cam roller comprises a convex curvature directed towards the rim (6), preferably with a radius (r). Alternatively, also the rim can have a convex curvature and the roller can taper conically.
    • 本发明涉及一种活塞泵,尤其是高压燃料泵,其包括壳体(1),活塞和具有凸轮部分(3)的驱动轴(2),所述活塞至少通过所述凸轮部分 一个可转动地安装在一个滚子柱塞(4)中的导向滚子(5),其中在凸轮部分(3)的两侧中的任一侧横向地设置一个凸缘部分(6),该凸缘部分在径向方向上突出超过凸轮部分 其特征在于,所述轮辋(6)在朝向所述导向滚轮(5)的一个前表面上渐缩至所述轮辋(6)的外周,其中所述轮辋(6)尤其是圆锥形的, 结果,其中凸轮辊包括朝向边缘(6)指向的凸曲率,优选具有半径(r)。 或者,边缘也可以具有凸曲率,并且滚子可以锥形渐缩。