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    • 1. 发明授权
    • Radial piston pump
    • 径向活塞泵
    • US4257750A
    • 1981-03-24
    • US030137
    • 1979-04-16
    • Jorg DantlgraberHorst KramerHorst Fischer
    • Jorg DantlgraberHorst KramerHorst Fischer
    • F04B1/06F04B1/07F04B49/00F04B49/24F04B1/18
    • F04B49/24F04B1/063
    • The radial pump preferably for use in connection with a hydraulic clamping device includes a plurality of pumping elements enclosed in a housing and cooperating with a corresponding pluraity of discharge valves. A multiway control valve controls the delivery of pressure fluid to a load port in such a manner that during the actuation of the load the outlet of all discharge valves are united to deliver the entire flow of pressure fluid into the load port, whereas when the load is maintained under a constant pressure, only one pumping element delivers discharged fluid via a single discharge valve into the load port and the remaining pumping elements deliver their output into the reservoir.
    • 优选地用于与液压夹紧装置结合使用的径向泵包括封闭在壳体中的多个泵送元件,并且与相应的排出阀的排气管配合。 多路控制阀控制将压力流体输送到负载端口,使得在负载的致动期间,所有排出阀的出口被联合以将整个压力流体流输送到负载端口中,而当负载 保持在恒定压力下,只有一个泵送元件通过单个排放阀将排出的流体输送到装载口中,并且剩余的泵送元件将其输出输送到储存器中。
    • 5. 发明授权
    • Mold making
    • 模具制造
    • US5018378A
    • 1991-05-28
    • US46128
    • 1987-05-04
    • Ulrich MaierHorst Fischer
    • Ulrich MaierHorst Fischer
    • B21C1/26B21D9/05B22D11/04B22D11/057
    • B22D11/057
    • Molds for continuous casting machines are made by providing a plurality of different tubular blanks of copper or copper based alloys; selecting a particular blank and feeding same to a first working station in which the blank is provided with a thrust mount such as a rim against which a mandrel to be inserted can abut during subsequent working; a particular mandrel is selected from among a plurality of stored mandrels and forced into the rimmed tubular blank; by means of a die, the tubular blank is forced onto the mandrel in all around, tight, surface to surface contact while preferably a normal orientation of the die is maintained in relation to the mandrel passing through; thereafter the mandrel is recovered from the blank and either returned to the station of mandrel insertion or to the mandrel store.
    • 用于连续铸造机的模具通过提供铜或铜基合金的多个不同的管状坯料制成; 选择特定的坯料并将其馈送到第一工作站,其中坯件设置有推力安装件,例如在随后的加工期间待插入的心轴可抵靠的推力安装件; 从多个存储的心轴中选择特定的心轴并且被迫进入边缘的管状坯料; 通过模具,管状坯料在所有周围,紧密的表面到表面接触处被迫到心轴上,同时优选地相对于心轴通过而保持模具的正常取向; 此后,心轴从坯料中回收并返回到心轴插入工位或芯棒存储器。