DE467201C - Electrical machine with radial air channels formed by cutouts from the sheet metal lamellas, regularly distributed around the circumference of the sheet metal body - Google Patents
Electrical machine with radial air channels formed by cutouts from the sheet metal lamellas, regularly distributed around the circumference of the sheet metal bodyInfo
- Publication number
- DE467201C DE467201C DES62424D DES0062424D DE467201C DE 467201 C DE467201 C DE 467201C DE S62424 D DES62424 D DE S62424D DE S0062424 D DES0062424 D DE S0062424D DE 467201 C DE467201 C DE 467201C
- Authority
- DE
- Germany
- Prior art keywords
- sheet metal
- cutouts
- circumference
- electrical machine
- regularly distributed
- 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
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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Description
Elektrische Maschine mit durch Ausschnitte aus den Blechlamellen gebildeten, am Umfang des Blechkörpers regelmäßig verteilten radialen Luftkanälen Es ist bekannt, bei elektrischen Maschinen die Kühlluft dem Blechkörper der Maschine durch mehrere am Umfang verteilte Luftkanäle in radialer Richtung zuzuführen. Uin dabei zu vermeiden, daß, die Bleche durch Aussparung der Kanalöffnungen in Segmente zerfallen, hat man die Luftkanäle in axialer Richtung abgestuft, wobei man den in axialer Richtung benachbarten Blechgruppen, die von den Luftkanälen durchdrungen werden, von außen und von innen Ausschnitte ;gegeben hat,. die sich gegenseitig überlappen. Ausführungsbeispiele für diese an sich bekannten Anordnungen sind in Abb. i bis q. der Zeichnung dargestellt. In dem aktiven Eisen i befinden sich Radialkanäle, durch die die Kühlluft dem Luftschlitz 3 zwischen dem Ständereisen i und dem Läufereisen 2 zugeführt wird. Die Kanäle bestehen in Abb. i und 2 aus zwei. ,gegeneinander versetzten Teilen 4. und 5. Die an die Teile q. anstoßenden Bleche 6 haben Ausschnitte von außen erhalten und die an die Kanäle 5 anstoßenden Bleche 7 Ausschnitte von innen. Die Ausschnitte übergreifen einander, so daß,- eine Verbindung zwischen den Kanalteilen. q. und 5 hergestellt ist. Abb.3 und q. zeigen eine Kanalanordnung .ähnlicher Art, bei der sich die Radialkanäle aber in zwei Zweige spalten, wodurch eine symmetrische Anordnung zur Mittelebene des Ständerquerschnittes erreicht wird.Electric machine with formed by cutouts from the sheet metal lamellas, on the circumference of the sheet metal body regularly distributed radial air channels It is known in electrical machines the cooling air passes through the sheet metal body of the machine through several to supply air channels distributed on the circumference in the radial direction. Uin to avoid that the sheets disintegrate into segments by recessing the channel openings, one has the air ducts graded in the axial direction, one being the in the axial direction neighboring sheet metal groups, which are penetrated by the air ducts, from the outside and from the inside clippings; has given. which overlap each other. Embodiments for these known arrangements are shown in Fig. i to q. shown in the drawing. In the active iron i there are radial channels through which the cooling air passes through the air slot 3 is fed between the stator iron i and the rotor iron 2. The channels exist in Fig. i and 2 from two. , mutually offset parts 4. and 5. The to the Parts q. abutting plates 6 have received cutouts from the outside and to the Channels 5 abutting sheets 7 cutouts from the inside. The cutouts overlap each other so that, - a connection between the channel parts. q. and 5 manufactured is. Fig.3 and q. show a channel arrangement .ähnlicher Art in which the radial channels but split into two branches, creating a symmetrical arrangement about the median plane of the stand cross-section is achieved.
Für die Fabrikation von Maschinen mit derartigen Kanälen ist es nun unvorteilhaft, wenn Bleche von verschiedener Form gestanzt werden müssen. Dies wird nach der Erfindung dadurch vernmzeden; daß die Bleche, an denen Öffnungen zur Bildung der Kühlkanäle vorgesehen werden müssen, abwechselnd Ausschnitte in radialer Richtung von außen und innen erhalten., die für alle Bleche gleiche Form und Abstand haben. Abb.5 veranschaulicht ein solches Blech, das abwechselnd äußere Ausschnitte 8 und innere Ausschnitte 9 besitzt. Bei der Zusammenstellung der Blechpakete werden dann Teilpakete, die die Kanalteile enthalten, um eine Kanalteilung gegeneinander versetzt. Man erhält dann die in Abb. i und 2 veranschaulichten einfachen Kanäle oder die in Abb.3 und q. dargestellten verzweigten Kanäle. Man kann aber auch ohne weiteres mehrere Kanäle in axialer Richtung neberieinand-er anordnen, die sich ineinander verzweigen; wie es in Abb. 6 und 7 veranschaulicht ist. Die in diesen Ausführungsbeispielen dargestellte Verzweigung kann beliebig bis an die Stirnseiten der Blechpakete fortgesetzt werden.It is now for the manufacture of machines with such channels disadvantageous when sheets of different shapes have to be punched. this will according to the invention thereby vernmzeden; that the sheets on which openings for formation the cooling channels must be provided, alternating cutouts in the radial direction received from the outside and inside., which have the same shape and spacing for all sheets. Fig.5 illustrates such a sheet, the alternating outer cutouts 8 and 9 has inner cutouts. When putting together the sheet metal stacks Part packets that contain the channel parts offset from one another by one channel division. One then obtains the simple channels or those illustrated in Figs. I and 2 in fig.3 and q. branched channels shown. But you can also without further ado Arrange several channels next to each other in the axial direction, which one inside the other branch; as illustrated in Figs. 6 and 7. In these embodiments The branch shown can be continued as desired up to the end faces of the laminated cores will.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES62424D DE467201C (en) | Electrical machine with radial air channels formed by cutouts from the sheet metal lamellas, regularly distributed around the circumference of the sheet metal body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES62424D DE467201C (en) | Electrical machine with radial air channels formed by cutouts from the sheet metal lamellas, regularly distributed around the circumference of the sheet metal body |
Publications (1)
Publication Number | Publication Date |
---|---|
DE467201C true DE467201C (en) | 1928-10-22 |
Family
ID=7495608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DES62424D Expired DE467201C (en) | Electrical machine with radial air channels formed by cutouts from the sheet metal lamellas, regularly distributed around the circumference of the sheet metal body |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE467201C (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE974828C (en) * | 1944-04-29 | 1961-05-10 | Siemens Ag | Transformer with a liquid-cooled, laminated iron core separated from the winding for inductive heaters, especially for surface hardening with medium and high frequencies |
EP0155405A1 (en) * | 1984-03-21 | 1985-09-25 | Siemens Aktiengesellschaft | Device for indirect gas cooling of stator windings and/or for the direct gas cooling of stator laminated magnetic cores of a dynamo-electric machine, particularly for gas-cooled turbogenerators |
DE3504782A1 (en) * | 1985-02-13 | 1986-08-14 | Schorch GmbH, 4050 Mönchengladbach | Rotor laminate stack and/or stator laminate stack for electrical machines |
EP1343243A1 (en) * | 2000-12-11 | 2003-09-10 | Mitsubishi Heavy Industries, Ltd. | Cooling structure of generator |
-
0
- DE DES62424D patent/DE467201C/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE974828C (en) * | 1944-04-29 | 1961-05-10 | Siemens Ag | Transformer with a liquid-cooled, laminated iron core separated from the winding for inductive heaters, especially for surface hardening with medium and high frequencies |
EP0155405A1 (en) * | 1984-03-21 | 1985-09-25 | Siemens Aktiengesellschaft | Device for indirect gas cooling of stator windings and/or for the direct gas cooling of stator laminated magnetic cores of a dynamo-electric machine, particularly for gas-cooled turbogenerators |
DE3504782A1 (en) * | 1985-02-13 | 1986-08-14 | Schorch GmbH, 4050 Mönchengladbach | Rotor laminate stack and/or stator laminate stack for electrical machines |
EP1343243A1 (en) * | 2000-12-11 | 2003-09-10 | Mitsubishi Heavy Industries, Ltd. | Cooling structure of generator |
EP1343243A4 (en) * | 2000-12-11 | 2005-07-13 | Mitsubishi Heavy Ind Ltd | Cooling structure of generator |
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