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1. WO2020115617 - ROTOR ASSEMBLIES OF WATER PUMPS

Publication Number WO/2020/115617
Publication Date 11.06.2020
International Application No. PCT/IB2019/060245
International Filing Date 27.11.2019
IPC
H02K 1/27 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
1Details of the magnetic circuit
06characterised by the shape, form or construction
22Rotating parts of the magnetic circuit
27Rotor cores with permanent magnets
H02K 7/14 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
7Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
14Structural association with mechanical loads, e.g. with hand-held machine tools or fans
CPC
H02K 1/27
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
1Details of the magnetic circuit
06characterised by the shape, form or construction
22Rotating parts of the magnetic circuit
27Rotor cores with permanent magnets
H02K 7/14
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
7Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
14Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Applicants
  • INTEX INDUSTRIES XIAMEN CO. LTD [CN]/[CN]
Inventors
  • HUANG, Zhi Xiong
  • ZHANG, Ying Biao
  • HSU, Yaw Yuan
Priority Data
201822026470.104.12.2018CN
201822026868.504.12.2018CN
201822026990.204.12.2018CN
201822027003.004.12.2018CN
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ROTOR ASSEMBLIES OF WATER PUMPS
(FR) ENSEMBLES ROTOR DE POMPES À EAU
Abstract
(EN)
A rotor assembly of a water pump is provided including a rotor body, an upper bearing, a lower bearing, a magnet, an impeller, and a shaft. The rotor assembly also includes a rotor shaft core that ensures concentricity of the upper bearing, the lower bearing, the magnet, and the shaft. The present disclosure also provides a manufacturing method that involves overmolding the rotor body onto the rotor shaft core to encapsulate the magnet.
(FR)
La présente invention porte sur un ensemble rotor d'une pompe à eau, qui est pourvu d'un corps de rotor, d'un palier supérieur, d'un palier inférieur, d'un aimant, d'une turbine, et d'un arbre. L'ensemble rotor comprend également un noyau d'arbre de rotor qui assure la concentricité du palier supérieur, du palier inférieur, de l'aimant et de l'arbre. L'invention concerne également un procédé de fabrication qui consiste à surmouler le corps de rotor sur le noyau d'arbre de rotor de façon à encapsuler l'aimant.
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