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1. CN108809011 - PROCESS FOR MANUFACTURING A WATERPROOF MAGNETO-ROTOR MADE OF RARE-EARTH ELEMENTS

Office China
Application Number 201810384289.X
Application Date 26.04.2018
Publication Number 108809011
Publication Date 13.11.2018
Publication Kind A
IPC
H02K 15/03
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
15Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
02of stator or rotor bodies
03having permanent magnets
H02K 15/10
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
15Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
10Applying solid insulation to windings, stators or rotors
H02K 15/12
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
15Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
12Impregnating, heating or drying of windings, stators, rotors or machines
CPC
H02K 15/03
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
15Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
02of stator or rotor bodies
03having permanent magnets
B29C 45/14639
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
45Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
14incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
14639for obtaining an insulating effect, e.g. for electrical components
B29L 2031/34
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
2031Other particular articles
34Electrical apparatus, e.g. sparking plugs or parts thereof
H02K 1/02
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
1Details of the magnetic circuit
02characterised by the magnetic material
H02K 1/2733
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
2706Inner rotor
272where the magnetisation axis of the magnets is radial or tangential
2726consisting of a single magnet or of a plurality of axially juxtaposed single magnets
2733Annular magnets
H02K 1/2753
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
2706Inner rotor
272where the magnetisation axis of the magnets is radial or tangential
274consisting of a plurality of circumferentially positioned magnets
2753consisting of magnets or groups of magnets arranged with alternating polarity
Applicants TACO ITALIA S.R.L.
塔科意大利股份有限公司
Inventors MONDIN ROBERTO
罗伯特·莫迪恩
MELISON MARCO
马可·麦黎逊
Agents 北京汇思诚业知识产权代理有限公司 11444
北京汇思诚业知识产权代理有限公司 11444
Priority Data 102017000045959 27.04.2017 IT
Title
(EN) PROCESS FOR MANUFACTURING A WATERPROOF MAGNETO-ROTOR MADE OF RARE-EARTH ELEMENTS
(ZH) 用于制造由稀土元素制成的防水磁性转子的方法
Abstract
(EN)
The invention relates to a process for manufacturing a waterproof magneto-rotor (1) made of rare-earth elements, to be used in a synchronous electric motor having a rotor (2) with a permanent magnet and wherein the rotor (2) is solidly fixed to a shaft (3). The process comprises the following phases: a first phase of coating the rotor (2) with a first inner protective layer (12) obtained by an injection moulding phase; a second phase of coating the first inner protective layer (12) of the rotor (2) with a second outer protective layer (14) obtained by a further injection moulding phase; at least one annular protective barrier (15) being shaped on at least one or both the opposed end surfaces of the rotor (2) during the first injection moulding phase, for preventing water or humidity from seeping between the first inner protective layer (12) and the second outer protective layer (14).

(ZH)
本发明涉及一种用于制造由稀土元素制成的防水磁性转子(1)的方法,该方法用于具有带永磁体的转子(2)的同步电动马达中,并且其中所述转子(2)牢固地固定在轴杆(3)上。该方法包括以下阶段:第一阶段,用通过由第一注射成型阶段所获得的第一内保护层(12)涂覆转子(2);第二阶段,用通过第二注射成型阶段所获得的第二外保护层(14)涂覆转子(2)的第一内保护层(12);在第一注射成型阶段期间,至少一个环形保护挡件(15)成形在转子(2)的至少一个或两个相对的端面上,用于防止水或湿气渗入在第一内保护层(12)和第二外保护层(14)之间。

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