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公开(公告)号：US07963754B2
公开(公告)日：2011-06-21
申请号：US10504835
申请日：2003-02-27
摘要： The invention concerns a hydraulic machine with a set of teeth, having a toothed ring with an inner toothing and a gear wheel with an outer toothing, the gear wheel rotating and orbiting in the toothed ring, the inner toothing and the outer toothing touching each other in contact areas, thus separating pressure chambers, and with a valve arrangement controlling a connection between a connection arrangement having a high pressure connection and a low pressure connection, and the pressure chambers. It is endeavoured to achieve a stable operation, particularly with low speeds. For this purpose, each contact area is provided with an opening, which, at the time when a pressure chamber reaches an extreme value of its volume, produces a short-circuiting with the neighbouring pressure chamber.
摘要翻译： 本发明涉及一种具有一组齿的液压机械，其具有带有内齿的齿形环和具有外齿的齿轮，所述齿轮在齿环中旋转和绕动，所述内齿和外齿彼此接触 在接触区域中，从而分离压力室，并且与控制高压连接的连接装置和低压连接之间的连接的阀装置以及压力室。 努力实现稳定运行，特别是低速运行。 为此，每个接触区域设置有一个开口，当开口压力达到其体积的极值时，该开口产生与相邻压力室的短路。
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公开(公告)号：US20080240966A1
公开(公告)日：2008-10-02
申请号：US12055702
申请日：2008-03-26
CPC分类号： F04C2/102 , F04C15/0019 , F04C2230/22
摘要： The invention concerns a hydraulic machine (1) with an externally toothed gear wheel (2) and an internally toothed ring (3), which is made of a sintered material or of a ceramic material. It is endeavored to provide good operation behaviour at low costs. For this purpose, the toothed ring (3) is provided with a sealing element (7) in the area of its outer circumference.
摘要翻译： 本发明涉及一种具有外齿轮（2）和由烧结材料或陶瓷材料制成的内齿环（3）的液压机（1）。 以低成本提供良好的操作行为。 为此，齿环（3）在其外周的区域中设置有密封元件（7）。
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公开(公告)号：US06203439B1
公开(公告)日：2001-03-20
申请号：US09096059
申请日：1998-06-11
IPC分类号： F16D318
CPC分类号： F04C15/0061 , F04C2/104 , Y10T74/19972
摘要： A hydraulic machine with an orbiting displacement element connected unrotatably with an output shaft via an intermediary shaft, the intermediary shaft having at least at one end an external toothing, which engages an internal toothing, which permits a swivel motion of the intermediary shaft. The external toothing has teeth with concavely shaped tooth sides having a smaller curvature at the axial ends than in the area of the axial center.
摘要翻译： 具有通过中间轴不能旋转地与输出轴连接的轨道位移元件的液压机械，所述中间轴至少在一端具有与允许中间轴的旋转运动的内齿啮合的外齿。 外齿齿具有凹形状的齿侧齿，在轴向端部具有比在轴向中心的区域更小的曲率。
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