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    • 76. 发明公开
    • PUMPENANORDNUNG
    • MAGNETPUMPENANORDNUNG
    • EP2994645A1
    • 2016-03-16
    • EP14723386.0
    • 2014-04-29
    • KSB Aktiengesellschaft
    • GRÖSCHEL, Jürgen
    • F04D13/06F04D29/044F16D3/64
    • F04D13/0626F04D13/024F04D13/0613F04D25/06F04D29/043F04D29/044F04D29/053F04D29/22F04D29/28F04D29/4206F04D29/426F04D29/605F16D1/0835F16D1/0876F16D3/77
    • The invention relates to a pump arrangement (1), particularly a magnetic drive pump comprising: an interior (11) formed by a pump casing (2) of the pump arrangement (1); a can (10), which hermetically seals off a chamber (12) enclosed by the can against the interior (11) formed by the pump casing (2); an impeller shaft (13) rotatably drivable about an axis of rotation (A); an impeller (16) arranged at one end of the impeller shaft (13); an internal rotor (17) arranged at the other end of the impeller shaft (13); a drive motor (9); a drive shaft (20) rotationally drivable by the drive motor (9) about the axis of rotation (A); and an external rotor (22) arranged on the drive shaft (20) and cooperating with the internal rotor (17). The external rotor (22) has a hub (23) having a hub interior surface (28) formed by a through-bore (27), in which hub interior surface an axial groove (29) is formed, which extends parallel to the axis of rotation (A) and cooperates with a feather key (33) inserted into a key groove (32) of the drive shaft (20). According to the invention at least one radially circumferential first groove (30) and at least one radially circumferential second groove (31) are formed in the hub interior surface (28), a tolerance ring (34, 35) being arranged at least in two of the grooves (34, 35).
    • 提供了一种泵装置,特别是一种电动离合器泵装置。 所述泵装置包括:泵壳体,其包含叶轮轴;密封壳,其密封所述泵壳体的内室内的封闭室;安装在所述叶轮轴一端的叶轮;安装在所述泵壳的另一端的内转子; 叶轮轴,驱动马达,可由驱动马达驱动的驱动轴以及安装在驱动轴上并与内转子配合的外转子。 外转子具有带通孔的轮毂,该通孔具有轮毂内表面。 轮毂内表面包括平行于旋转轴线延伸的轴向槽,该轴向凹槽与驱动轴的羽毛键和键槽配合,以将轮毂旋转地固定到驱动轴上。 轮毂内表面中的至少一个径向周向的第一凹槽和至少一个径向周向的第二凹槽容纳公差环。
    • 78. 发明公开
    • MULTIPIECE TOLERANCE RING
    • MEHRTEILIGER TOLERANZRING
    • EP2867553A1
    • 2015-05-06
    • EP13734822.3
    • 2013-06-28
    • Saint-Gobain Performance Plastics Rencol Limited
    • KINOSHITA, YosukeKAMIYA, Yoshinori
    • F16D1/08B25J17/02F16C35/06
    • F16B2/00B25J17/02F16D1/0835Y10T403/7058
    • A tolerance ring can include a generally cylindrical body having a first partial-cylindrical sidewall and a second partial-cylindrical sidewall opposite the first partial-cylindrical sidewall. Each partial-cylindrical sidewall defines a first end and a second end. Further, a first gap can be established between the first end of the first partial-cylindrical sidewall and the first end of the second partial-cylindrical sidewall after installation around a post. The first gap can extend along the entire length of the tolerance ring such that a split is formed in the tolerance ring. The tolerance ring can also include a second gap between the second end of the first partial-cylindrical sidewall and the second end of the second partial-cylindrical sidewall. The second gap can extend along the entire length of the tolerance ring such that a split is formed in the tolerance ring. The tolerance ring can provide an installed concentricity, C, ≦50 μm.
    • 公差环可以包括具有第一部分圆柱形侧壁和与第一部分圆柱形侧壁相对的第二部分圆柱形侧壁的大致圆柱形主体。 每个部分圆柱形侧壁限定第一端和第二端。 此外,可以在第一部分圆柱形侧壁的第一端和安装在柱之后的第二部分圆柱形侧壁的第一端之间建立第一间隙。 第一间隙可以沿公差环的整个长度延伸,使得在公差环中形成裂缝。 公差环还可以包括第一部分圆柱形侧壁的第二端和第二部分圆柱形侧壁的第二端之间的第二间隙。 第二间隙可以沿着公差环的整个长度延伸,使得在公差环中形成裂缝。 公差环可提供安装的同心度,C,@ 50 mum。