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    • 3. 发明授权
    • Reversible gear machine
    • 可逆齿轮机
    • US4465444A
    • 1984-08-14
    • US425002
    • 1982-09-27
    • Wilhelm DworakHayno RustigeGunter Wolff
    • Wilhelm DworakHayno RustigeGunter Wolff
    • F04C15/00F03C2/08F04C2/08
    • F04C15/0026
    • A reversible gear machine which can be used either as a gear pump or as a gear motor regardless of the pressure gradient direction between its inlet and outlet ports includes a housing accommodating meshing gears for rotation about their respective axes which are defined by respective stub shafts extending axially beyond the end faces of the gears. At least one pressure element, which may be constituted by bearing members for the stub shafts, and which is movable axially of the respective stub shafts, has a surface facing away from the gears. A sealing component including a relatively rigid support ring and an elastically yieldable sealing body is accommodated in a groove of the sealing element provided at the aforementioned surface of the latter, such that the support ring contacts the close end wall of the housing and a rib of the sealing body contacts the bottom of the groove and subdivides the latter into two compartments. The sealing component delimits on the aforementioned surface of the sealing element first and second pressure fields which are in communication with the respective ports of the gear machine, and third pressure fields which are situated between the sealing component and the respective stub shafts and which are subjected to the pressure prevailing between the other axial surface of the pressing element inwardly of the root circle of the gear teeth and outwardly of the respective stub shafts. Two of the pressing elements and two of the sealing components may be provided, each at one axial side of the gears.
    • 可以用作齿轮泵或齿轮马达而不管其入口和出口之间的压力梯度方向如何的可逆齿轮机包括容纳啮合齿轮的壳体,所述啮合齿轮围绕其相应的轴线旋转,所述啮合齿轮由相应的短轴延伸限定 轴向地超过齿轮的端面。 至少一个压力元件可以由短轴的轴承构件构成并且可以在相应的短轴轴向移动,具有背离齿轮的表面。 包括相对刚性的支撑环和可弹性收缩的密封体的密封部件被容纳在设置在其上述表面的密封元件的槽中,使得支撑环接触壳体的近端壁和肋 密封体接触凹槽的底部并将其细分成两个隔间。 密封部件限定在密封元件的与齿轮机的各个端口连通的第一和第二压力场的上述表面上,以及位于密封部件和相应短轴之间的第三压力场, 到压力元件的另一个轴向表面之间的压力在齿轮齿的根圆的内部和相应短轴的外侧。 可以在齿轮的一个轴向侧设置两个按压元件和两个密封部件。
    • 4. 发明授权
    • Database management system and data transmission method
    • 数据库管理系统和数据传输方式
    • US6134542A
    • 2000-10-17
    • US51822
    • 1998-10-29
    • Hayno Rustige
    • Hayno Rustige
    • G06F12/00G06F17/30G06F15/40
    • G06F17/30595Y10S707/99931Y10S707/99932
    • Database management system for managing the storage of data and retrieval of stored data, wherein data sets are stored in a table storage means, and wherein data sets which can have a varying number of occupied fields and different declarations for the occupied fields are stored in a common table, and each data set has a definition field which within the common table characterizes the fields valid for the corresponding data set, as well as the field declarations established for the valid fields, wherein particular general information types are allocated to the individual columns of the common table, so that fields of different types of data sets, which jointly relate to a particular general information type, are stored in the same column of the table.
    • PCT No.PCT / EP96 / 04448 Sec。 371日期:1998年10月29日第 102(e)1998年10月29日PCT PCT 1996年10月11日PCT公布。 公开号WO97 / 15016 PCT 日期1997年04月24日用于管理数据存储和存储数据检索的数据库管理系统,其中数据集存储在表存储装置中,并且其中数据集可以具有不同数量的占用字段和不同的声明, 字段被存储在公共表中,并且每个数据集具有定义字段,其在公共表内表示对于相应数据集有效的字段以及为有效字段建立的字段声明,其中分配特定的一般信息类型 到公共表的各列,使得与特定通用信息类型共同关联的不同类型的数据集的字段存储在表的相同列中。