SE408841B - AXIAL FIELD MACHINE WITH PERMANENT MAGNET TROTOR - Google Patents

AXIAL FIELD MACHINE WITH PERMANENT MAGNET TROTOR

Info

Publication number
SE408841B
SE408841B SE7712691A SE7712691A SE408841B SE 408841 B SE408841 B SE 408841B SE 7712691 A SE7712691 A SE 7712691A SE 7712691 A SE7712691 A SE 7712691A SE 408841 B SE408841 B SE 408841B
Authority
SE
Sweden
Prior art keywords
rotor
permanent magnet
axial field
field machine
rings
Prior art date
Application number
SE7712691A
Other languages
Swedish (sv)
Other versions
SE7712691L (en
Inventor
V Torok
Original Assignee
Asea Ab
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 Asea Ab filed Critical Asea Ab
Priority to SE7712691A priority Critical patent/SE408841B/en
Priority to DE19782847203 priority patent/DE2847203A1/en
Priority to FR7831303A priority patent/FR2408939A1/en
Priority to GB7843863A priority patent/GB2010022B/en
Publication of SE7712691L publication Critical patent/SE7712691L/en
Publication of SE408841B publication Critical patent/SE408841B/en

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
    • H02K1/2793—Rotors axially facing stators
    • H02K1/2795—Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2796—Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets where both axial sides of the rotor face a stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Description

.e-m-»e- ».......--...._... -._ ,. ' 7712691-o e 10 15 20 v ~á. lager Srooh 6 roterbart anordnad i förhållande till statorlcroppazna 3 och 4. _ Dessa 'är försedda med radiellt riktade mot rotorn vettande lindningsspår 7, i vilka statorhärvor 8 är anordnade. Statorlindningen är i varje statorkropp ut- förd som en konventionell synlcronmaskinlindning- bara med den skillnaden att härvorna icke är rektangulära. utan i huvudsak formade som ringsektorer. .e-m- »e-» ....... - ...._... -._,. '7712691-o e 10 15 20 v ~ á. bearings Srooh 6 are rotatably arranged relative to the stator bodies 3 and 4. These are provided with winding grooves 7 facing radially towards the rotor, in which stator coils 8 are arranged. The stator winding is designed in each stator body as a conventional synchronous machine winding, with the difference that the coils are not rectangular. but mainly shaped as ring sectors.

Rotorn 1 består av en cirkulär skiva 9 av mjukmagrxetiskt material; 9 är utformad med tre i tangentiell led jänmt fördelade, genomgående hål, vilka är försedda med var sin i hålet inpressad magnetring 10 av pemanentmagaetiskt material. Varje magnetrixzg 10 är magætiserad i radiell led och på sådant sätt att ringens inre begränsningsyta är sydpol och ringens yttre begränsningsyta nordpol, vilket är antytt på. ritningen genom att magnetringarna är försedda med bokstavssymbolerna N och S. Magnetringarna. 10 omsluter var sin pollcropp 11 av mjukmagxaetiskt material. Yar .och en av pollcropparna 11 får då. sannna polaritet på höger-sidan som på. vänstersidan och bildar en sydpol för var och en av stator- lcropparna 3 och 4. De mellan ringarna. 10 liggande sektorerna av rotorkzroppen 9 bildar var sin nordpol gentemot var och en av statorkz-oppaina 3 och 4.The rotor 1 consists of a circular disc 9 of soft magnetic material; 9 is formed with three tangentially uniformly distributed through holes, each of which is provided with a magnetic ring 10 pressed into the hole of permanent magnetic material. Each magnetrixzg 10 is magnetized in the radial direction and in such a way that the inner limiting surface of the ring is the south pole and the outer limiting surface of the ring is the north pole, which is indicated on. the drawing in that the magnetic rings are provided with the letter symbols N and S. The magnetic rings. 10 each enclose their pollen body 11 of soft maggetic material. Yar .and one of the pollen bodies 11 then gets. true polarity on the right side as on. the left side and forms a south pole for each of the stator bodies 3 and 4. Those between the rings. The adjacent sectors of the rotor body 9 form their own north pole opposite each of the stator bodies 3 and 4.

Vid konventionella maskiner med rotorpoler av permanentmagrzetiskt material ut- gör läckflödetvmellan varandra närliggande poler vanligtvis en väsentlig del av totalflödet. Vid en maskin enlig-t uppfinningen är detta läokflöde ovanligt litet, vilket medför att maskinen får relativt små mekaniska. dimensioner och hög' utnyttjningsgraö..In conventional machines with rotor poles of permanent magnetic material, the leakage flow between adjacent poles usually constitutes a significant part of the total flow. In a machine according to the invention, this leakage flow is unusually small, which means that the machine has relatively small mechanicals. dimensions and high 'utilization gray ..

Ett flertal utföringsfomer är möjliga förutom den på ritningar-na visade. Man kan t e: utelämna den ena av de 'båda statorkroppaima 5 och 4.A number of embodiments are possible in addition to that shown in the drawings. One can omit one of the two stator bodies 5 and 4.

Claims (1)

1. u 7712691-o 1 Pimmmzšalv Axialfältmaskin med permanentmagnetrotor innehållande minst en skivformig sta- torlmopp (5, 41) av mjukmagazetiskt material och en parallellt med dennas luft- gapsyte anordnad skivformig rotorkropp (9) av magrxetiskt material, under det att statorlmoppen uppbär en arbetelindning (8) som är anordnad i ett flertal radiellt förlöpande, mot rotorn vettande lindningsepår (7), k ä n n e t e c k - n a. d därav, att rotorn (1) ätrutfördrmed ett flertal axiellt riktade hål, vilka är jämnt fördelade i tangentiell riktning, och att ett flertal ringar _ (10) av permanentmagmetiskt material är placerade i var sitt av nämnda. hål och anordnade att omsluta var sin axiellt riktad polkropp (11) av mjukmagrietiskt material, under 'det att nämnda ringar är radiellt magnetiserade på. sådant sätt att ringväggens irmer- och yttersida har motsatt polaritet, varvid ett flertal beträffande polaritet lika rotorpoler bildas av nämnda polkzcoppar, och rotorne övriga poler av mellanliggande partier av nämnda rotor-kropp. ANFÖRDA PUBLIKATIONER:1. u 7712691-o 1 Pimmmzšalv Axial field machine with permanent magnet rotor containing at least one disc-shaped stator mop (5, 41) of soft-maget material and a disc-shaped rotor body (9) of magrxetic material arranged parallel to its air-gap surface, working winding (8) which is arranged in a plurality of radially extending winding grooves (7) facing the rotor, characterized in that the rotor (1) is provided with a plurality of axially directed holes, which are evenly distributed in the tangential direction. , and that a plurality of rings (10) of permanent magnetic material are placed in each of said. holes and arranged to enclose each axially directed pole body (11) of soft magnetic material, while said rings are radially magnetized on. such that the inner and outer sides of the ring wall have opposite polarity, a plurality of polarity equal rotor poles being formed by said polkzcopar, and the rotors other poles of intermediate portions of said rotor body. MENTIONED PUBLICATIONS:
SE7712691A 1977-11-10 1977-11-10 AXIAL FIELD MACHINE WITH PERMANENT MAGNET TROTOR SE408841B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE7712691A SE408841B (en) 1977-11-10 1977-11-10 AXIAL FIELD MACHINE WITH PERMANENT MAGNET TROTOR
DE19782847203 DE2847203A1 (en) 1977-11-10 1978-10-30 AXIAL FIELD MACHINE WITH PERMANENT MAGNETIC ROTOR
FR7831303A FR2408939A1 (en) 1977-11-10 1978-11-06 AXIAL FIELD MACHINE WITH PERMANENT MAGNET ROTOR
GB7843863A GB2010022B (en) 1977-11-10 1978-11-09 Axial field electrical machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7712691A SE408841B (en) 1977-11-10 1977-11-10 AXIAL FIELD MACHINE WITH PERMANENT MAGNET TROTOR

Publications (2)

Publication Number Publication Date
SE7712691L SE7712691L (en) 1979-05-11
SE408841B true SE408841B (en) 1979-07-09

Family

ID=20332824

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7712691A SE408841B (en) 1977-11-10 1977-11-10 AXIAL FIELD MACHINE WITH PERMANENT MAGNET TROTOR

Country Status (4)

Country Link
DE (1) DE2847203A1 (en)
FR (1) FR2408939A1 (en)
GB (1) GB2010022B (en)
SE (1) SE408841B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462805A1 (en) * 1979-08-03 1981-02-13 Cem Comp Electro Mec Field magnet for axial air-gap DC machine - has solid or laminated ring contg. polar masses each completely surrounded by ferrite magnet
GB2059174A (en) * 1979-09-05 1981-04-15 Corbett A Turbo-electric generators
FR2563544B1 (en) * 1984-04-26 1986-11-14 Electro Mec Nivernais WASHING MACHINE OR ROTARY DRYER OF THE DRUM DRIVE MOTOR DIRECTLY MOUNTED ON THE LAST SHAFT
JPS6158460A (en) * 1984-08-27 1986-03-25 Hitachi Ltd Torque motor
US4857786A (en) * 1987-04-06 1989-08-15 Hitachi, Ltd. Structure of stepping motor and method of driving the stepping motor
US5218251A (en) * 1991-10-28 1993-06-08 Allwine Jr Elmer C Composite magnet stepper motor
US5258735A (en) * 1991-10-28 1993-11-02 Allwine Jr Elmer C Multi-pole composite magnet used in a magnetic encoder
US5369323A (en) * 1991-10-28 1994-11-29 Slonix Engineering Composite magnet stepper motor
US5440185A (en) * 1991-10-28 1995-08-08 Allwine, Jr.; Elmer C. Composite magnet brushless DC motor
IL116631A0 (en) * 1995-03-21 1996-03-31 Kenetech Windpower Inc Doubly-salient permanent-magnet machine
TW201933727A (en) * 2018-01-29 2019-08-16 何玉煌 A symmetrical brushless with flat panel DC motor
WO2023151750A1 (en) * 2022-02-14 2023-08-17 Schaeffler Technologies AG & Co. KG Electric axle drivetrain

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126493A (en) * 1964-03-24 Permanent magnet motor

Also Published As

Publication number Publication date
GB2010022A (en) 1979-06-20
DE2847203A1 (en) 1979-05-17
GB2010022B (en) 1982-05-26
FR2408939A1 (en) 1979-06-08
FR2408939B1 (en) 1983-02-04
SE7712691L (en) 1979-05-11

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