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Apparatus for assembling permanent magnet motors, motors and electric pumps made from the apparatus

A permanent magnet motor and electric pump technology, applied in the field of permanent magnet motor devices, can solve problems such as production and performance not allowed

Active Publication Date: 2020-11-10
DAB PUMPS SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] However, there are motors whose production and performance requirements do not allow the use of structures made of plastic materials

Method used

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  • Apparatus for assembling permanent magnet motors, motors and electric pumps made from the apparatus
  • Apparatus for assembling permanent magnet motors, motors and electric pumps made from the apparatus
  • Apparatus for assembling permanent magnet motors, motors and electric pumps made from the apparatus

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Experimental program
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Embodiment Construction

[0030] Referring to the drawings, a device according to the invention is indicated generally by the reference numeral 10 .

[0031] The device is designed to assemble an electric motor 11 of the type with permanent magnets, which is used in pumping equipment and housed in such as Figure 4 to Figure 6 and also in Figure 7 , Figure 8 and Figure 9 Inside the motor housing 12 shown in

[0032] The device 10 comprises a tubular element 13 and a grip element 14 for an operator, the tubular element 13 and the grip element 14 being in the Figure 4 shown in , and both are made of non-magnetic material, preferably plastic material.

[0033] In particular, the tubular element 13 is made of plastic material or of another material which is not affected by the magnetic flux, and thus is not subject to the phenomenon of magnetic attraction or magnetic repulsion between the rotor and the stator.

[0034] The tubular element 13 is adapted to be inserted and coupled in the axial cavit...

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Abstract

The invention discloses a device for assembling a permanent magnet motor, a motor made of the device and an electric pump, which can be applied to the technical field of the permanent magnet motor. A device (10) for assembling a permanent magnet motor (11), especially in pumping installations, the device (10) comprising a tubular element (13) made of non-magnetic material, the tubular element (13) Inserted and coupled in the axial cavity of the stator (15) of the electric machine (11) and adapted to receive the rotor (16) of the electric machine (11) within the tubular element.

Description

technical field [0001] The invention relates to a device for assembling a permanent magnet motor, especially for use in pumping installations. [0002] The invention also relates to an electric motor manufactured by the device, and an electric pump comprising the electric motor. Background technique [0003] As is known, pumping devices generally consist of a pump body to which an electric motor is coupled. [0004] The pump body has a hollow body provided with ducts for suction and delivery, and within this body one or more impellers are keyed to a shaft to transmit rotation by a motor. [0005] Especially for circulators and electric pumps, permanent magnet machines are increasingly used in order to meet the demand for high performance with medium to low power levels. [0006] The assembly of this type of electric machine has certain drawbacks during the positioning of the magnetic rotor within the stator. [0007] In fact, the rotor is made of a material with high magn...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K15/00H02K15/03
CPCH02K15/00H02K15/03H02K5/128B25B27/14H02K7/118H02K15/16F04D13/06F04D25/06
Inventor 恩里科·特伦汀F·思尼克米歇尔·卡波钦
Owner DAB PUMPS SPA