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    • 5. 发明申请
    • INTERNAL GEAR PUMP
    • 内啮合齿轮泵
    • WO2012089436A3
    • 2013-06-20
    • PCT/EP2011071390
    • 2011-11-30
    • BOSCH GMBH ROBERTSCHEPP RENEKNOELL REINERALAZE NORBERT
    • SCHEPP RENEKNOELL REINERALAZE NORBERT
    • F04C2/08F04C2/10F04C15/00
    • F04C2/101F04C2/086F04C15/0019F04C15/0049F04C2270/12
    • The invention relates to an internal gear pump having a sickle-shaped separator (7) which, in a sickle-shaped pump chamber between an internal gear and a pinion of the internal gear pump, separates a suction region (8) from a pressure region (9). The invention proposes that pilot control ducts (16) be provided in the outer side and in the inner side of the separator (7), which pilot control ducts are open at the pressure-region-side end, that is to say communicate with the pressure region, and taper and end counter to a delivery direction of the internal gear pump. The pilot control ducts (16) effect a continuous pressure rise in tooth spaces of the internal gear and of the pinion from the suction to the pressure region (8, 9), and prevent an abrupt pressure rise at the pressure-region-side end of the separator (7).
    • 本发明涉及一种具有月牙形状的切削件(7),该分离的抽吸区域的内齿轮泵中的环形齿轮和所述内啮合齿轮泵的小齿轮之间的月牙泵室的压力区域(9)(8)。 本发明提出了在分离器(7)导频信道(16),其在打印区域侧的端部开放的,D的外侧和内侧提供。 小时。 与压力范围进行通信,并朝向内齿轮泵和端部的传送方向逐渐变细。 导频信道(16)使在所述环形齿轮的齿间空间的连续压力增加与小齿轮从吸入到压力区域(8,9),并且避免在分离器(7)的压力区域侧的端部的突然的压力增加。
    • 10. 发明申请
    • GEAR PUMP ARRANGEMENT
    • 齿轮泵装置
    • WO2009003757A3
    • 2009-02-19
    • PCT/EP2008056114
    • 2008-05-19
    • BOSCH GMBH ROBERTSCHEPP RENEALAZE NORBERT
    • SCHEPP RENEALAZE NORBERT
    • B60T8/40F04C2/08F04C2/10F04C15/00
    • F04C15/0026B60T8/4031F04C2/101F04C11/001F04C15/0046
    • The invention relates to a pump arrangement for a hydraulic unit, particularly a vehicle brake system, having a first internal gear pump (2) with a first ring gear (20), a first pinion gear (23), and a first sickle-shaped segment piece (24), a second internal gear pump (3) with a second ring gear (30), a second pinion gear (33), and a second sickle-shaped segment piece (34), and a drive gear (4). The first ring gear (20) has an outer toothing (21), and the second ring gear (30) has an outer toothing (31). The first and second internal gear pumps (2, 3) are arranged next to each other in such a manner that the outer toothing (21) of the first ring gear (20) cogs with the outer toothing (31) of the second ring gear (30), wherein the drive gear (4) cogs with the outer toothing (21) of the first ring gear (20), and the drive gear (4) is connected to a drive shaft (8) in order to drive the drive gear (4). A shaft seal (9) is arranged on the drive shaft (8) for a seal against the external environment.
    • 本发明涉及一种用于液压单元的泵组件,尤其是车辆制动系统,包括:第一内啮合齿轮泵(2)与第一环形齿轮(20),第一小齿轮(23)和第一新月形段件(24),一个第二内啮合齿轮泵(3) 与第二环形齿轮(30),一个第二小齿轮(33)和第二新月形扇片(34)和一驱动小齿轮(4),其中,所述第一环形齿轮(20)具有外齿(21)和第二环形齿轮(30) 具有外齿(31)和所述第一和第二内啮合齿轮泵(2,3)并排地设置彼此,使得第一环形齿轮(20)与第二环形齿轮的外齿(31)的外齿(21)(30)啮合,所述小齿轮 (4)与第一环形齿轮的外齿和(21)(20),所述驱动小齿轮啮合(4)具有驱动轴(8)被连接到驱动该驱动小齿轮(4),并且其中,在所述ANTR iebswelle(8)包括一个轴密封件(9)设置用于密封抵靠外部环境影响。