JPH0313494U

JPH0313494U -

Info

Publication number: JPH0313494U
Application number: JP7301989U
Authority: JP
Priority date: 1989-06-23
Filing date: 1989-06-23
Publication date: 1991-02-12

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示すマグネツトポ
ンプの縦断面図、第２図は本考案のマグネツトポ
ンプを２段型ポンプに構成した実施例を示す縦断
面図、第３図は他の実施例を示す縦断面図、第４
図は従来例を示す縦断面図である。９……ステータ、１１……コイル、２０……吸
込カバー、２１……吸込ケーシング、２２，２２
ａ……羽根車、２３……ロータ（永久磁石）、２
４……ケーシングカバー、２５……固定軸受、２
６……回転軸受、２７，２７ａ……ポンプ吸込口
、２８，２８ａ……吐出口、２９，２９ａ……戻
り羽根、３０……外ケーシング。 Fig. 1 is a longitudinal sectional view of a magnetic pump showing an embodiment of the present invention, Fig. 2 is a longitudinal sectional view showing an embodiment of the magnetic pump of the invention configured as a two-stage pump, and Fig. 3 is a longitudinal sectional view showing an embodiment of the magnetic pump of the invention configured as a two-stage pump. Vertical sectional view showing another embodiment, No. 4
The figure is a longitudinal sectional view showing a conventional example. 9... Stator, 11... Coil, 20... Suction cover, 21... Suction casing, 22, 22
a... Impeller, 23... Rotor (permanent magnet), 2
4...Casing cover, 25...Fixed bearing, 2
6... Rotating bearing, 27, 27a... Pump suction port, 28, 28a... Discharge port, 29, 29a... Return vane, 30... Outer casing.

Claims

[Claims for Utility Model Registration] 1. A stator in which a rotating magnetic field is formed by winding a coil around each iron core that is divided into fan shapes and arranged in a circumferential direction, and the stator and the stator. A DC motor is constituted by a rotor made up of a plurality of permanent magnets that are axially opposed and have N and S poles arranged alternately in the circumferential direction, and the motor rotor is embedded in a pump impeller. At the same time, a return vane is provided on the discharge side casing cover facing the impeller to guide the fluid from the outer circumference to the center, and the pump suction port and the discharge port are arranged on the same axis, and a plurality of pump suction ports A magnetic pump characterized in that the and the discharge port can be connected in series. 2. A stator which is configured to form a rotating magnetic field by winding a coil around each iron core which is divided into sector shapes and arranged in plurality in the circumferential direction; A DC motor is constituted by a rotor made up of a plurality of permanent magnets in which poles and S poles are arranged alternately in the circumferential direction, and the motor rotor is embedded in the suction port side of the pump impeller, and the motor rotor The stator is placed in the non-liquid part on the suction side of the pump casing, facing the
A return vane that guides the fluid from the outer periphery to the center is attached to the discharge side casing cover facing the impeller, and the pump suction port and discharge port are arranged on the same axis, and the pump suction port and discharge port are arranged on the same axis. A magnetic pump characterized in that it can be connected in series with an outlet.