DE4111411B4 - Rotor with a protective jacket - Google Patents
Rotor with a protective jacket Download PDFInfo
- Publication number
- DE4111411B4 DE4111411B4 DE4111411A DE4111411A DE4111411B4 DE 4111411 B4 DE4111411 B4 DE 4111411B4 DE 4111411 A DE4111411 A DE 4111411A DE 4111411 A DE4111411 A DE 4111411A DE 4111411 B4 DE4111411 B4 DE 4111411B4
- Authority
- DE
- Germany
- Prior art keywords
- rotor
- coil spring
- spring
- diameter
- helical spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
Rotor (1) mit zylindrischer Außenfläche, insbesondere für Elektromotoren, der in radialer Richtung aus einem oder mehreren Teilbereichen besteht, die hohen Belastungen ausgesetzt sind, mit einem Schutzmantel (5), wobei der Schutzmantel (5) ein federndes Bauteil aufweist, welches als Schraubenfeder (51) mit Windungen (52) ausgeführt ist.rotor (1) with cylindrical outer surface, in particular for electric motors, which consists of one or more subregions in the radial direction, which are exposed to high loads, with a protective jacket (5), wherein the protective jacket (5) comprises a resilient component which as a helical spring (51) with turns (52) is executed.
Description
Die Erfindung betrifft einen Rotor mit einem Schutzmantel und ein Verfahren zu dessen Herstellung.The The invention relates to a rotor with a protective jacket and a method for its production.
Es ist bekannt Rotoren, die bruchgefährdete Bauelemente enthalten, mittels eines Schutzmantels gegen Beschädigungen zu schützen. Solche Beschädigungen können verursacht werden durch radiale Fliehkräfte als Folge hoher Umfangsgeschwindigkeiten, magnetische Anzugskräfte, Erschütterungen, Fallkräfte, thermische Ausdehnungskräfte usw.It is known rotors containing fracture-prone components, Protect against damage by means of a protective jacket. Such damage can caused by radial centrifugal forces as a result of high peripheral speeds, magnetic suit forces, Shakes, fall forces, thermal expansion forces etc.
Als Schutzmantel sind dünnwandige Rohre aus Metall oder Glasfaser- bzw. Kohlefasergeflechten bekannt, die über den Rotor geschoben und verklebt werden. Solche Rohre müssen paßgenau ausgeführt werden und verursachen dadurch hohe Kosten.When Protective jacket are thin-walled Tubes made of metal or fiberglass or carbon fiber braids known, the above pushed and glued the rotor. Such pipes must be made in register and cause high costs.
Aus
der
Die
Aus
der
Der
Die WO 82/04505 A1 offenbart einen Rotor für eine permanentmagnetisch erregte, elektrische Maschine, dessen Magnetsegmente mittels eines magnetisierbaren Klebemittels, insbesondere einer mit einem magnetisierbaren Stoff getränkten Bandage, gehalten werden.The WO 82/04505 A1 discloses a rotor for permanent magnetic energized, electric machine whose magnet segments by means of a magnetizable Adhesive, in particular one with a magnetizable substance soaked Bandage, to be kept.
Es ist auch bekannt bei Rotoren von Elektromotoren, die Permanentmagnete mittels eines Schutzmantels gegen Beschädigungen zu schützen. Dieser Schutzmantel wird durch Umwickeln und Verkleben der Rotoren mit Drähten, Bändern oder Geflechten aus Metall-, Kohle- oder Glasfasern erzeugt. Zur Erzielung gleichmäßiger dünner Schichten ist ein aufwendiger Wickelprozeß sowie eine Nachbehandlung der Oberfläche erforderlich. Zudem können Risse an den Nahtstellen auftreten und bei der Nachbearbeitung die Fasern verletzt werden.It is also known in rotors of electric motors, the permanent magnets Protect against damage by means of a protective jacket. This Protective jacket is by wrapping and gluing the rotors with wires bands or braids made of metal, carbon or glass fibers. to Achieving uniform thin layers is a complex winding process as well a post-treatment of the surface required. In addition, you can Cracks occur at the seams and in post-processing the Fibers are injured.
Aufgabe der Erfindung ist es, die hier in Rede stehenden Rotoren so zu verbessern, daß bei gleichzeitiger Erhöhung der Sicherheit die Kosten bei dem Verfahren der Herstellung solcher Rotoren gesenkt werden.task the invention is thus to improve the rotors in question so that at simultaneous increase security costs in the process of producing such Rotors are lowered.
Gemäß der Erfindung wird diese Aufgabe durch die Merkmale der Ansprüche 1 bzw. 10 gelöst Weitere Einzelheiten und vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den im folgenden beschriebenen und in der Zeichnung dargestellten Ausführungsbeispielen sowie aus den Unteransprüchen.According to the invention This object is achieved by the features of claims 1 and 10 further Details and advantageous developments of the invention result from the embodiments described below and shown in the drawing and from the dependent claims.
Es zeigen:It demonstrate:
In
Die
Herstellung des erfindungsgemäßen Schutzmantels
Der
Drahtquerschnitt der Schraubenfeder
Parameter
zur Beeinflussung der Wirksamkeit des erfindungsgemäßen Schutzmantels
Der
als Schraubenfeder
Für die Ummantelung
(Schutzmantel
Die Hauptbelastung des Rotors durch die Fliehkräfte erfolgt in radialer Richtung. Dies ist sehr ungünstig für Klebeverbindungen, die nur kleine Zugkräfte aufnehmen können.The Main load of the rotor by the centrifugal forces takes place in the radial direction. This is very unfavorable for adhesive joints, the only small tractive forces be able to record.
Durch die Federummantelung ergibt sich hier ein sehr positiver Effekt: Radiale Fliehkräfte versuchen die Feder aufzudrehen, d. h. es entstehen zwischen den Federwindungen und dem Kleber Scherkräfte, die der Kleber im Gegensatz zu Zugkräften sehr leicht aufnehmen kann.By the feather coating results in a very positive effect: Radial centrifugal forces try to turn the spring up, d. H. it arises between the Spring coils and the adhesive shear forces that the glue in contrast to tensile forces can absorb very easily.
Permanentmagnetbestückte Rotoren
können
auf verschiedenen Wegen fertigungstechnisch realisiert werden. Fortschrittliche
Methoden sind, Permanentmagnetringe durch Spritzguß-, Press- und Sinterprozesse
herzustellen. Hierbei kann die komplette Rotorwelle
Es
wird vorgeschlagen, die Schraubenfeder
Im
Gegensatz zu starren Hülsen
aus Metall, Glasfaser- oder Kohlefasergeflecht entstehen keine Passungstoleranzen,
da sich die (evtl. vorgespannte) Schraubenfeder
Zudem
ist bei starren Hülsen,
die nicht maßgenau
sind, eine Deformierung und Zerstörung durch hohe Preßdrücke zu erwarten.
Die Schraubenfeder
Durch die Rillenkontur der Federhülse wird zusätzlich ein Formschluß erreicht.By the groove contour of the spring sleeve will be added achieved a positive connection.
Wenn
die Schraubenfeder
- 1. Federdurchmesser (entspannt) ≤ Preßformdurchmesser.
- Die Schraubenfeder
51 paßt sich infolge des Einpreßdruckes der Gußmasse an die Kontur der Preßform an. Im Regelfall ist eine Aushebeschräge erforderlich (leicht konische Zylinderform). - 2. Federdurchmesser ≥ Preßformdurchmesser.
- Die Schraubenfeder
51 wird so vorgespannt, daß sich der Federdurchmesser verkleinert und in die Preßform eingesetzt wird.
- 1. Spring diameter (relaxed) ≤ die diameter.
- The coil spring
51 adapts to the contour of the mold due to the injection pressure of the molding compound. As a rule, a Aushebeschräge is required (slightly conical cylindrical shape). - 2. Spring diameter ≥ die diameter.
- The coil spring
51 is biased so that the spring diameter is reduced and used in the mold.
Die
Schraubenfeder
Die
Einbringung der Feder gemäß der Methode
Die
Einbringung der Feder gemäß der Methode
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4111411A DE4111411B4 (en) | 1991-04-09 | 1991-04-09 | Rotor with a protective jacket |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4111411A DE4111411B4 (en) | 1991-04-09 | 1991-04-09 | Rotor with a protective jacket |
Publications (2)
Publication Number | Publication Date |
---|---|
DE4111411A1 DE4111411A1 (en) | 1992-10-15 |
DE4111411B4 true DE4111411B4 (en) | 2006-09-14 |
Family
ID=6429113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4111411A Expired - Fee Related DE4111411B4 (en) | 1991-04-09 | 1991-04-09 | Rotor with a protective jacket |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE4111411B4 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008029515A1 (en) * | 2008-06-21 | 2009-12-31 | Danfoss Compressors Gmbh | Rotor for electrical machine i.e. refrigerant compressor drive motor, has body and multiple permanent magnets that are arranged at circumference of body, where body is manufactured from sheet metal and forms hollow body |
DE102019206894A1 (en) * | 2019-05-13 | 2020-11-19 | Audi Ag | Electric machine |
WO2023117719A1 (en) * | 2021-12-23 | 2023-06-29 | Valeo Eautomotive Germany Gmbh | Rotor for an electric machine, electric machine, and method for producing a rotor |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6229243B1 (en) * | 1999-04-30 | 2001-05-08 | Precise Power Corporation | Rotor construction for controlled-pole electric machines |
WO2002078154A1 (en) * | 2001-03-24 | 2002-10-03 | Lg Electronics Inc. | Mover assembly of reciprocating motor and fabrication method thereof |
US7075204B2 (en) * | 2003-08-06 | 2006-07-11 | Honeywell International, Inc. | Threaded inner sleeve for generator magnet |
DE102005050643A1 (en) * | 2005-10-20 | 2007-04-26 | Wilo Ag | Self-starting permanent-magnet synchronous motor |
BR102012016090A2 (en) * | 2012-06-28 | 2015-04-14 | Whirlpool Sa | Device and processes for fixing permanent magnets on electric motor rotors |
WO2019233596A1 (en) * | 2018-06-08 | 2019-12-12 | Pierburg Pump Technology Gmbh | Electric motor |
CN111342580B (en) * | 2020-02-18 | 2022-12-27 | 上海海事大学 | Rotor shell of permanent magnet type magnetic screw rod |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2877366A (en) * | 1957-04-01 | 1959-03-10 | Lear Inc | Permanent magnet rotor |
DE1081124B (en) * | 1957-07-01 | 1960-05-05 | Christian Hansen | Electric motor, in particular small motor, in which the rotor core is fastened to a cylindrical shaft with a small diameter by means of a helical spring, and a method for its production |
WO1982004505A1 (en) * | 1981-06-10 | 1982-12-23 | Corbach Rainer | Rotor for permanent magnet electric machine |
DE3719197A1 (en) * | 1987-06-09 | 1989-01-05 | Thyssen Edelstahlwerke Ag | Rotor for electrical machines |
JPS648850A (en) * | 1987-06-29 | 1989-01-12 | Sanyo Electric Co | Manufacture of rotor |
US4918802A (en) * | 1989-02-06 | 1990-04-24 | Franklin Electric Co., Inc. | Method and apparatus for making permanent magnet rotors |
-
1991
- 1991-04-09 DE DE4111411A patent/DE4111411B4/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2877366A (en) * | 1957-04-01 | 1959-03-10 | Lear Inc | Permanent magnet rotor |
DE1081124B (en) * | 1957-07-01 | 1960-05-05 | Christian Hansen | Electric motor, in particular small motor, in which the rotor core is fastened to a cylindrical shaft with a small diameter by means of a helical spring, and a method for its production |
WO1982004505A1 (en) * | 1981-06-10 | 1982-12-23 | Corbach Rainer | Rotor for permanent magnet electric machine |
DE3719197A1 (en) * | 1987-06-09 | 1989-01-05 | Thyssen Edelstahlwerke Ag | Rotor for electrical machines |
JPS648850A (en) * | 1987-06-29 | 1989-01-12 | Sanyo Electric Co | Manufacture of rotor |
US4918802A (en) * | 1989-02-06 | 1990-04-24 | Franklin Electric Co., Inc. | Method and apparatus for making permanent magnet rotors |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008029515A1 (en) * | 2008-06-21 | 2009-12-31 | Danfoss Compressors Gmbh | Rotor for electrical machine i.e. refrigerant compressor drive motor, has body and multiple permanent magnets that are arranged at circumference of body, where body is manufactured from sheet metal and forms hollow body |
DE102019206894A1 (en) * | 2019-05-13 | 2020-11-19 | Audi Ag | Electric machine |
DE102019206894B4 (en) | 2019-05-13 | 2023-10-05 | Audi Ag | Electric machine |
WO2023117719A1 (en) * | 2021-12-23 | 2023-06-29 | Valeo Eautomotive Germany Gmbh | Rotor for an electric machine, electric machine, and method for producing a rotor |
Also Published As
Publication number | Publication date |
---|---|
DE4111411A1 (en) | 1992-10-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8127 | New person/name/address of the applicant |
Owner name: PAPST LICENSING GMBH, 78549 SPAICHINGEN, DE |
|
8110 | Request for examination paragraph 44 | ||
8127 | New person/name/address of the applicant |
Owner name: PAPST LICENSING GMBH & CO. KG, 78549 SPAICHINGEN, |
|
8120 | Willingness to grant licences paragraph 23 | ||
8127 | New person/name/address of the applicant |
Owner name: PAPST LICENSING GMBH & CO. KG, 78112 ST. GEORGEN, |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |