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    • 1. 发明授权
    • Fuel-injection pump
    • 燃油喷射泵
    • US5685274A
    • 1997-11-11
    • US464897
    • 1995-06-29
    • Peter HelmbrechtWolfgang FehlmannGerold SchultheissDieter JungerBodo KebrichJ. Paul Morel-Fourrier
    • Peter HelmbrechtWolfgang FehlmannGerold SchultheissDieter JungerBodo KebrichJ. Paul Morel-Fourrier
    • F02M39/02F02M41/14F02M59/44F16D3/04F02M41/00
    • F02M59/44F02M39/02F02M41/1405F02M41/1411F16D3/04
    • A fuel-injection pump of the distributor type has a distributor shaft which is coupled fixedly in terms of rotation to a drive shaft and which, during rotation, successively supplies an injection nozzle with fuel from a pump working space. Seated displaceably in each case in one of a plurality of radial bores in the distributor shaft are pump pistons which, on the one hand, limit the pump working space and, on the other hand, bear non-positively on a coaxial cam ring via rollers held in roller shoes. For a construction of the injection pump which is advantageous in manufacturing terms, the drive shaft engages over the distributor shaft by means of a cup-like coupling head, and a number corresponding to the number of radial bores, of axial slots for the displaceable reception of the roller shoes are made in the cup wall. The coupling takes place via a coupling disk which is seated positively in the axial slots by means of radially projecting coupling webs and which positively receives in a recess an end projection on the distributor shaft.
    • PCT No.PCT / DE94 / 01390 Sec。 371日期:1995年6月29日 102(e)日期1995年6月29日PCT 1994年11月24日PCT公布。 WO95 / 15434 PCT公开号 日期:1995年6月8日分配器类型的燃料喷射泵具有分配器轴,该分配器轴以旋转方式固定地连接到驱动轴,并且在旋转期间,连续地向喷射喷嘴提供来自泵工作空间的燃料。 在分配器轴中的多个径向孔中的一个中,可移位的是泵活塞,其一方面限制了泵的工作空间,另一方面,在同轴的凸轮环上通过辊 举行滚球鞋。 对于有利于制造术语的注射泵的结构,驱动轴通过杯形联接头与分配器轴接合,并且对应于径向孔的数量,用于可移位接收的轴向槽 的滚子鞋在杯壁上制成。 联接通过联接盘进行,该联接盘通过径向突出的联接腹板正确地定位在轴向槽中,并且在凹部中肯定地容纳分配器轴上的端部突起。