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    • 101. 发明授权
    • Twin pump with a charging pump
    • 双泵带充电泵
    • US6022198A
    • 2000-02-08
    • US11390
    • 1998-02-06
    • Hermann Hoffmeister
    • Hermann Hoffmeister
    • F04B1/22F04B23/10F04B23/14
    • F04B23/106F04B1/22
    • A double pump unit including two hydraulic pumps (1, 2) having drive shafts (5, 6) arranged coaxially with one another, which shafts are coupled with one another in a force-locking manner by a coupling piece (23). The coupling piece (23) is integrated in a connection piece (26) at least partially surrounding the coupling piece, in which connection piece there are formed suction channels (19, 20) for drawing in the pressure medium to be delivered through the hydraulic pumps (1, 2). The connection piece (26) has an inlet pressure chamber (33) into which the suction channels (19, 20) open. Further, the coupling piece (23) has peripherally arranged blade elements (30, 31) which rotate in the inlet pressure chamber (33) in order to feed the pressure medium into the suction channels (19, 20) under an initial pressure. The connection piece (26) may also be formed in two parts and, along with a main body (27), have a lid-like closure part (29) which is so dimensioned that the coupling piece (23), with its blade elements (30, 31), can be introduced into the main body (27) of the connection piece (26) through an opening (34) which can be closed by the closure piece (29).
    • PCT No.PCT / EP96 / 03562 Sec。 371日期1998年2月6日 102(e)1998年2月6日PCT PCT 1996年8月12日PCT公布。 公开号WO97 / 13065 PCT 日期1997年04月10日一个双泵单元,包括两个液压泵(1,2),其具有彼此同轴布置的驱动轴(5,6),这些轴通过联接件以力锁定的方式彼此联接( 23)。 联接件(23)集成在至少部分地围绕联接件的连接件(26)中,连接件形成有用于在压力介质中拉出以通过液压泵输送的抽吸通道(19,20) (1,2)。 连接片(26)具有入口压力室(33),吸入通道(19,20)打开。 此外,联接件(23)具有外围布置的叶片元件(30,31),其在入口压力室(33)中旋转,以便在初始压力​​下将压力介质输送到抽吸通道(19,20)中。 连接件(26)也可以形成为两部分,并且与主体(27)一起具有盖状封闭部件(29),其尺寸被确定为使得联接件(23)具有其叶片元件 (30,31)可以通过能够被封闭件(29)封闭的开口(34)引入连接件(26)的主体(27)中。
    • 102. 发明授权
    • Hydrostatic drive with synchronized direct through-drive
    • 具有同步直接通过驱动的静液压驱动
    • US6003314A
    • 1999-12-21
    • US894345
    • 1997-08-15
    • Josef Sommer
    • Josef Sommer
    • B60W10/06B60W10/11F16D48/06F16H47/02F16H61/46F16H61/47F16D31/02F16D39/00
    • F16H61/46B60W10/02B60W10/04B60W10/06B60W10/103B60W10/11F16H47/02F16H61/47
    • Hydrostatic drive having synchronized direct through-drive. The invention relates to a hydrostatic drive, in particular a vehicle drive. The hydrostatic drive includes a drive motor (1), a hydrostatic transmission (2), having a hydraulic pump (3) coupled to the drive motor (1) and a hydraulic motor (4) coupled to an output drive shaft (11). For the direct drive of the output drive shaft (11) there is provided a direct through-drive shaft (16), which can be coupled, releasably, to the drive shaft (11) via a separating clutch (17). For the synchronization of the drive motor side speed of rotation (n.sub.1) to the drive shaft side speed of rotation (n.sub.2) at the separating clutch (17) there are provided two speed-of-rotation sensors (18, 19). The synchronization is effected by means of purposive loading or de-loading of the drive motor (11) by means of the hydrostatic transmission (2).
    • PCT No.PCT / EP96 / 02565 Sec。 371日期:1997年8月16日 102(e)日期1997年8月16日PCT提交1996年6月14日PCT公布。 出版物WO97 / 02444 日期1997年1月23日具有同步直接驱动的静电驱动。 本发明涉及静液压驱动装置,特别是车辆驱动装置。 静液压驱动器包括驱动马达(1),具有联接到驱动马达(1)的液压泵(3)的液压传动装置(2)和联接到输出驱动轴(11)的液压马达。 对于输出驱动轴(11)的直接驱动,设置有直接贯穿驱动轴(16),其可经由分离离合器(17)可释放地联接到驱动轴(11)。 为了使驱动电动机侧转速(n1)与分离离合器(17)的驱动轴侧转速(n2)同步,设置有两个转速传感器(18,19)。 通过借助于静液压传动装置(2)有目的地装载或卸载驱动马达(11)来实现同步。