DE869241C - Device for dissipating the heat from the active iron of electrical machines - Google Patents

Device for dissipating the heat from the active iron of electrical machines

Info

Publication number
DE869241C
DE869241C DEO943A DEO0000943A DE869241C DE 869241 C DE869241 C DE 869241C DE O943 A DEO943 A DE O943A DE O0000943 A DEO0000943 A DE O0000943A DE 869241 C DE869241 C DE 869241C
Authority
DE
Germany
Prior art keywords
active iron
electrical machines
heat
dissipating
laminated core
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
Application number
DEO943A
Other languages
German (de)
Inventor
Johann Ing Brazda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OESTERREICHISCHE ELEKTROINDUST
Original Assignee
OESTERREICHISCHE ELEKTROINDUST
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by OESTERREICHISCHE ELEKTROINDUST filed Critical OESTERREICHISCHE ELEKTROINDUST
Application granted granted Critical
Publication of DE869241C publication Critical patent/DE869241C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
    • H02K9/223—Heat bridges
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
    • H02K9/227—Heat sinks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Coating By Spraying Or Casting (AREA)

Description

Die Kühlung des- Blechpaketes elektrischer Maschinen erfolgt in der Regel durch einen oder zwei Luftströme, welche, von einer oder beiden Seiten einströmend, über die äußere Oberfläche des Blechpaketringes geführt werden. Um eine gute Wärmeableitung aus dem Blechpaket zu erreichen, wird dieses häufig mit Leichtmetall übergossen, wozu komplizierte und teure Gießformen notwendig sind.The cooling of the laminated core of electrical machines takes place in the Usually by one or two air currents, which, flowing in from one or both sides, be guided over the outer surface of the laminated core ring. To have good heat dissipation to reach from the laminated core, this is often covered with light metal, for which complicated and expensive molds are necessary.

Es ist bekannt, die im Blechpaket auftretende Wärme von der inneren Zylinderfläche des Blechpaketes (Bohrung) aus durch einen Luftstrom im Luftspalt zwischen Stator und Rotor in gewissen Grenzen abzuleiten, wie dies bei der Ausführung nach dembritischen Patent 574033 (Goldschmid) der Fall ist.It is known to dissipate the heat occurring in the laminated core from the inner cylinder surface of the laminated core (bore) through an air flow in the air gap between the stator and rotor within certain limits, as is the case with the design according to British patent 574033 (Goldschmid).

Es ist ferner bekannt, die Wärme aus dem Blech-Paket von der Bohrung aus durch Einziehen eines dicht anliegenden dünnen Metallzylinders, welcher mit Rippen versehen ist, die in die Schlitze des Blechpaketes hineinragen, abzuleiten, wie dies in der britischen Patentschrift 619485 (Thomson) beschrieben ist. Die in der Bohrung--des Blech-Paketes angeordneten Wärmeableitungseinrichtüngen vergrößern den Luftspalt, was elektrisch sehr nachteilig ist, und sind außerdem infolge der erforderlichen Präzision sehr teuer. Die Montage und Demontage ist erschwert.It is also known to remove the heat from the sheet metal package from the bore by pulling in a tightly fitting thin metal cylinder, which with Is provided with ribs that protrude into the slots of the laminated core to derive, as described in British Patent 619485 (Thomson). In the the hole - the sheet metal package arranged heat dissipation devices enlarge the air gap, which is electrically very disadvantageous, and are also due to the required precision very expensive. The assembly and disassembly is difficult.

Die Erfindung, nach welcher zum Zwecke einer guten Wärmeableitung das Blechpaket ganz oder teilweise an den von der Kühlluft L in Fig. r und Fig.2 bestrichenen Stellen; insbesondere an der äußeren Oberfläche des Blechpaketes S (Fig. r) und R (Fig. 2) sowie an den Seiten eventuell vorhandener Luftschlitze (Fig.2); mit einer dünnen Metallschicht M aus Aluminium oder Kupfer überzogen werden, vermeidet die Nachteile der bekannten. Ausführungen und ist in der Herstellung sehr billig. Das Aufträgen der Metallschicht erfolgt durch Überspritzen mittels einer Spritzpistole, weiche das aufzuspritzende Material in Drahtform zubringt, unter gleichzeitiger Zufuhr von Wasserstoff und Sauerstoff schmilzt und auf das Blechpaket aufspritzt. Die aufgespritzte dünne Metallschicht haftet fest an der Oberfläche des Blechpaketes, nimmt die Wärme gut auf und gibt diese infolge der rauhen Oberfläche gut an den Kühlluft-Strom ab.The invention, according to which for the purpose of good heat dissipation the laminated core wholly or partially to the of the cooling air L in Fig. r and Fig.2 painted areas; especially on the outer surface of the laminated core S. (Fig. R) and R (Fig. 2) and on the sides of any air slots (Fig.2); be coated with a thin metal layer M made of aluminum or copper, avoids the disadvantages of the known. Designs and is very cheap to manufacture. The application of the metal layer is carried out by over-spraying with a spray gun, soft brings the material to be sprayed on in wire form, while at the same time The supply of hydrogen and oxygen melts and is sprayed onto the laminated core. The sprayed-on thin metal layer adheres firmly to the surface of the laminated core, absorbs the heat well and passes it on to the due to the rough surface Cooling air flow from.

Claims (1)

PATENTANSPRUCH: Einrichtung zur Ableitung der Wärme aus dem aktiven Eisen elektrischer Maschinen, dadurch gekennzeichnet, daß die von der Kühlluft (L) bestrichene Oberfläche des aktiven Eisens durch Aufspritzen von Aluminiumoder Kupfer in geschmolzenem Zustand mittels einer Metallspritzpistole mit einer dünnen, fest anhaftenden, gut wärmeleitenden Schicht (M) überzogen ist. . Angezogene Druckschriften: Buch von Professor W o 1 ö g d i n, Moskau, »Oberflächenhärtung nach dem Induktionsverfahren« in seiner Übersetzung für das frühere Reichsluftfahrtministerium, S. izo, Z. 5 bis i7.PATENT CLAIM: Device for dissipating heat from the active Iron electrical machines, characterized in that the cooling air (L) coated surface of the active iron by spraying on aluminum or copper in the molten state using a metal spray gun with a thin, solid adherent, highly thermally conductive layer (M) is coated. . Referred publications: Book by Professor W o 1 ö g d i n, Moscow, "Surface hardening according to the induction process" in his translation for the former Reich Aviation Ministry, S. izo, lines 5 bis i7.
DEO943A 1949-08-05 1950-08-03 Device for dissipating the heat from the active iron of electrical machines Expired DE869241C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT869241X 1949-08-05

Publications (1)

Publication Number Publication Date
DE869241C true DE869241C (en) 1953-03-02

Family

ID=3682487

Family Applications (1)

Application Number Title Priority Date Filing Date
DEO943A Expired DE869241C (en) 1949-08-05 1950-08-03 Device for dissipating the heat from the active iron of electrical machines

Country Status (1)

Country Link
DE (1) DE869241C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1005172B (en) * 1953-04-22 1957-03-28 Siemens Ag Electrical device with cooling, preferably machine or converter
DE1128023B (en) * 1960-08-03 1962-04-19 Siemens Ag Device for surface cooling of rotating machines, in particular electric motors and generators
US3341722A (en) * 1964-08-04 1967-09-12 Litton Prec Products Inc Temperature compensated electrical device
DE19736785A1 (en) * 1997-08-23 1999-02-25 Abb Research Ltd Turbo generator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1005172B (en) * 1953-04-22 1957-03-28 Siemens Ag Electrical device with cooling, preferably machine or converter
DE1128023B (en) * 1960-08-03 1962-04-19 Siemens Ag Device for surface cooling of rotating machines, in particular electric motors and generators
US3341722A (en) * 1964-08-04 1967-09-12 Litton Prec Products Inc Temperature compensated electrical device
DE19736785A1 (en) * 1997-08-23 1999-02-25 Abb Research Ltd Turbo generator
US6097116A (en) * 1997-08-23 2000-08-01 Abb Research Ltd. Turbo-generator

Similar Documents

Publication Publication Date Title
EP2676532B1 (en) Temperature control element and method for attaching an electronic component to the temperature control element
DE869241C (en) Device for dissipating the heat from the active iron of electrical machines
WO2013057080A1 (en) Piston
EP3594969B1 (en) Method for producing a conductor wire coated with electro-insulating enamel and electro-insulating enamel
DE102011085324A1 (en) Plasma spray process
DE1128023B (en) Device for surface cooling of rotating machines, in particular electric motors and generators
DE529984C (en) Process for producing a highly conductive electrical connection between the metal oxide layer of a metal oxide rectifier and a ductile metal coating applied to it
DE2623156A1 (en) MV bushing for transformers, chokes etc. - has gap between conductor and fastening flange filled by elastic, insulating sealing ring in cast resin sleeve
DE69003092T2 (en) METHOD FOR PRODUCING A CARRIER FOR FITTING ELECTRICAL AND / OR ELECTRONIC COMPONENTS.
DE102005061196B3 (en) Lost core casting method for producing castings with cast-in functional components, includes bonding the component to the core and protecting component with repellent material before applying facing
DE102016001810A1 (en) Method for producing a printed circuit board with reinforced copper structure
DE1640214A1 (en) Process for the production of electrically conductive coatings on encapsulated electrotechnical devices
DE900240C (en) Device for lowering the temperature of electrical machines
DE102015102504A1 (en) Adhesion and crack-resistant Insulating layer construction and topcoat paint system for current transformer housing and a corresponding manufacturing process
DE4237763C2 (en) Device for the isolated fastening of heat-generating semiconductor components
AT516868B1 (en) Adhesion and crack-resistant insulating layer construction and topcoat paint construction for current transformer housing and an associated manufacturing process
DE19940455C2 (en) Ignition device, in particular spark plug for gasoline engines, and method for painting the same
EP4307534A1 (en) Assembly of a stator with a partially polymeric housing for a dynamoelectric machine and manufacturing method of the same or its use
DE102019131181A1 (en) Material composition for a coating for components of internal combustion engines
DE1439091A1 (en) Heat sink with cooling plugs for semiconductor arrangements
DE889917C (en) Method and device for applying a metal jacket to an electrical cable
EP3219987A1 (en) Discharge chamber for an ion engine
DE1538079B1 (en) Cast resin bushing with cast current transformer
DE441964C (en) Process for the production of aluminum coatings on metals
DD151047A1 (en) PROTECTIVE COVER FOR WATER-SOLUBLE KERNELS