公开(公告)号：US20160108922A1

公开(公告)日：2016-04-21

申请号：US14882750

申请日：2015-10-14

Applicant: GRUNDFOS HOLDING A/S

Inventor： Steen MIKKELSEN ,  Carl-Christian DANIELSEN

IPC: F04D17/12

CPC classification number: F04D17/12 ,  F04D1/063 ,  F04D13/021 ,  F04D29/426 ,  F04D29/628

Abstract: A multistage centrifugal pump includes a foot part (1) and a head part (7), between which several pump stages are arranged. Each of the pump stages includes an impeller (4) and a housing (5) surrounding the impeller (4). The housings (5) are arranged over one another. The housings (5) together with an outer casing (9) form an annular channel (8). The housings (5) together with an outer casing (9) are clamped via clamping bolts (11) which are fastened on the head part (7) and the foot part (1). The clamping bolts (11) are arranged within the annular channel (8).

Abstract translation: 多级离心泵包括脚部（1）和头部（7），其间布置有多个泵级。 每个泵级包括叶轮（4）和围绕叶轮（4）的壳体（5）。 壳体（5）彼此重叠。 外壳（5）与外壳（9）一起形成环形通道（8）。 壳体（5）与外壳（9）一起通过紧固在头部（7）和脚部（1）上的夹紧螺栓（11）夹紧。 夹紧螺栓（11）布置在环形通道（8）内。

公开(公告)号：US20150372557A1

公开(公告)日：2015-12-24

申请号：US14655374

申请日：2013-12-20

Applicant: GRUNDFOS HOLDING A/S

Inventor： Christian SCHULDT ,  Carl-Christian DANIELSEN

IPC: H02K5/22 ,  F04D25/06 ,  H02K11/00 ,  F04D29/26 ,  F04D29/40 ,  F04D13/06 ,  F04D29/18

CPC classification number: H02K5/22 ,  F04D13/06 ,  F04D13/0686 ,  F04D25/06 ,  F04D29/18 ,  F04D29/26 ,  F04D29/40 ,  F04D29/5806 ,  H02K5/225 ,  H02K11/30 ,  H02K11/33

Abstract: A pump assembly with an electric motor which includes a stator housing (6) and an electronics housing (4; 50) fastened at the outside on the stator housing (6). The electronics housing (4; 50) is connected to the stator housing (6) via at least one fastening element (24,24′; 56). The fastening element is situated within an outer contour of the electronics housing (4; 50) which is delimited by the outer walls of the electronics housing (4; 50) and is accessible even with a closed electronics housing (4; 50).

Abstract translation: 一种具有电动机的泵组件，其包括固定在定子壳体（6）上的外部的定子壳体（6）和电子器件壳体（4; 50）。 电子设备壳体（4; 50）经由至少一个紧固元件（24,24'; 56）连接到定子壳体（6）。 紧固元件位于电子设备外壳（4; 50）的外轮廓内，电子外壳（4; 50）由电子设备外壳（4; 50）的外壁界定，并且即使使用封闭的电子外壳（4; 50）也可以使用。