JPS6447569U - - Google Patents

Info

Publication number
JPS6447569U
JPS6447569U JP11974188U JP11974188U JPS6447569U JP S6447569 U JPS6447569 U JP S6447569U JP 11974188 U JP11974188 U JP 11974188U JP 11974188 U JP11974188 U JP 11974188U JP S6447569 U JPS6447569 U JP S6447569U
Authority
JP
Japan
Prior art keywords
electric motor
motor according
housing
magnet
laminated plate
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.)
Pending
Application number
JP11974188U
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS6447569U publication Critical patent/JPS6447569U/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/02—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting
    • H02K23/04—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting having permanent magnet excitation
    • 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
    • H02K1/17—Stator cores with permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、本考案を具体化したＰＭＤＣ電動機
の斜視図、第２図は、第１図の線−に沿つた
断面図である。 符号の説明、１……ＰＭＤＣ電動機、２……ハ
ウジング、３……ハウジング部分、４……鋼積層
板、５……端板、６……エンドキヤツプ、７……
軸、８……軸受、９……通気孔、１０……端子、
１１……リブ、１２……胸壁、１３……円弧状外
周縁、１４，１５……縁、１６，１７……垂直線
、１８，１９……内端、２０……積層板の内縁、
２１……凹部、２２……磁石、２３……板ばね、
２４……円周方向縁、２５ａ，２５ｂ……ボス、
２６……別の円周方向縁、２７……ボルト、２８
……ナツト、２９……電機子、３０……磁極、３
１……巻線、３２……接合線。 FIG. 1 is a perspective view of a PMDC motor embodying the present invention, and FIG. 2 is a sectional view taken along the line - in FIG. 1. Explanation of symbols, 1...PMDC motor, 2...Housing, 3...Housing part, 4...Steel laminate, 5...End plate, 6...End cap, 7...
Shaft, 8...Bearing, 9...Vent hole, 10...Terminal,
11... Rib, 12... Parapet wall, 13... Arc-shaped outer peripheral edge, 14, 15... Edge, 16, 17... Vertical line, 18, 19... Inner end, 20... Inner edge of laminate,
21... recess, 22... magnet, 23... plate spring,
24...Circumferential edge, 25a, 25b...Boss,
26...Another circumferential edge, 27...Bolt, 28
...Natsuto, 29...Armature, 30...Magnetic pole, 3
1...Winding wire, 32...Joining wire.

Claims (1)

【実用新案登録請求の範囲】 (1) 永久磁石と、前記磁石を支持するハウジン
グから成る固定子を有する部分馬力永久磁石直流
電動機であつて、 前記ハウジングは、積層板を積み重ねて構成さ
れ、磁束の戻り通路を提供することを特徴とする
電動機。 (2) 前記ハウジングの外面は、リブ付きである
ことを特徴とする請求項１に記載の電動機。 (3) 前記積層板の外周は、胸壁のある城郭風で
あることを特徴とする請求項２に記載の電動機。 (4) 前記胸壁は、ほぼ台形をしており、隣り合
う台形の半径方向に延びている縁は平行でないこ
とを特徴とする請求項３に記載の電動機。 (5) 前記縁の半径方向内端からの垂直線は、隣
り合う胸壁の向かい合つた縁と交差しないことを
特徴とする請求項４に記載の電動機。 (6) 少なくとも３０個の胸壁が設けてあること
を特徴とする請求項３に記載の電動機。 (7) ４０個の胸壁が設けてあることを特徴とす
る請求項６に記載の電動機。 (8) 前記ハウジングには、半径方向又は（及び
）軸方向に通気孔が設けてあることを特徴とする
請求項１に記載の電動機。 (9) 前記磁石は、前記ハウジングの内面に当て
て保持してあることを特徴とする請求項１に記載
の電動機。 (10) 前記内面に凹部を設けて、前記凹部の中に
前記磁石を配置してあることを特徴とする請求項
８に記載の電動機。 〓(11)１１〓 前記積層板は、板金から打ち抜き
して作ることを特徴とする請求項１記載の電動機
。 〓(12)１２〓 電機子の積層板も、板金から打ち
抜きして作ることを特徴とする請求項１１に記載
の電動機。 〓(13)１３〓 前記積層板は、半分に分割してあ
ることを特徴とする請求項１１に記載の電動機。[Claims for Utility Model Registration] (1) A partial horsepower permanent magnet DC motor having a stator consisting of a permanent magnet and a housing that supports the magnet, wherein the housing is constructed by stacking laminated plates and An electric motor characterized in that it provides a return path for. (2) The electric motor according to claim 1, wherein the outer surface of the housing is ribbed. (3) The electric motor according to claim 2, wherein the outer periphery of the laminated plate has a castle-like shape with battlements. (4) The electric motor according to claim 3, wherein the battlement has a substantially trapezoidal shape, and the radially extending edges of adjacent trapezoids are not parallel. (5) The electric motor according to claim 4, wherein a vertical line from the radially inner end of the edge does not intersect with an opposite edge of an adjacent parapet. (6) The electric motor according to claim 3, characterized in that at least 30 battlements are provided. (7) The electric motor according to claim 6, characterized in that 40 battlements are provided. (8) The electric motor according to claim 1, wherein the housing is provided with ventilation holes in the radial direction and/or the axial direction. (9) The electric motor according to claim 1, wherein the magnet is held against an inner surface of the housing. (10) The electric motor according to claim 8, wherein a recess is provided in the inner surface, and the magnet is disposed within the recess. (11) 11 The electric motor according to claim 1, wherein the laminated plate is made by punching out a sheet metal. (12) 12 The electric motor according to claim 11, wherein the laminated plate of the armature is also made by punching out a sheet metal. (13) 13 The electric motor according to claim 11, wherein the laminated plate is divided into halves.
JP11974188U 1987-09-11 1988-09-12 Pending JPS6447569U (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8721416A GB2209878A (en) 1987-09-11 1987-09-11 Laminated stator for D.C. permanent magnet electric motor

Publications (1)

Publication Number Publication Date
JPS6447569U true JPS6447569U (en) 1989-03-23

Family

ID=10623641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11974188U Pending JPS6447569U (en) 1987-09-11 1988-09-12

Country Status (4)

Country Link
JP (1) JPS6447569U (en)
CN (1) CN2035929U (en)
DE (1) DE8811447U1 (en)
GB (1) GB2209878A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007159215A (en) * 2005-12-02 2007-06-21 Denso Corp Yoke of rotary electric machine and method for manufacturing yoke

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9307671D0 (en) * 1993-04-14 1993-06-02 Johnson Electric Sa A pmdc electric motor with a magnet spacer
JP3504352B2 (en) * 1994-10-05 2004-03-08 三菱電機株式会社 Vehicle alternator rotor
JP2004129329A (en) * 2002-09-30 2004-04-22 Hitachi Koki Co Ltd Permanent magnet commutator motor
WO2005027311A1 (en) * 2003-09-05 2005-03-24 Kress-Elektrik Gmbh & Co. Elektromotorenfabrik Electric motor with a return ring
US9124145B2 (en) 2009-07-03 2015-09-01 Johnson Electric S.A. Power tool
CN101941200B (en) 2009-07-03 2015-03-25 德昌电机(深圳)有限公司 Electric tool and motor assembly thereof
CN201455943U (en) 2009-07-08 2010-05-12 德昌电机(深圳)有限公司 Electric tool
DE102012215254A1 (en) * 2012-08-28 2014-03-06 Robert Bosch Gmbh Method for manufacturing electric motor for adjusting drive of motor vehicle, involves inserting permanent magnets into pole housing, and forming seam at pole housing for fastening permanent magnets in pole housing in radial direction

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6801183A (en) * 1968-01-26 1969-07-29
DE2629532A1 (en) * 1975-07-03 1977-01-27 Sev Alternateurs METHOD AND DEVICE FOR A STATOR OR ROTOR OF AN ELECTRIC ROTATING MACHINE
FR2386179A1 (en) * 1977-03-28 1978-10-27 Kollmorgen Tech Corp PERFECTED ELECTRIC ROTATING MACHINES
EP0072297B1 (en) * 1981-08-06 1985-05-22 Cem Compagnie Electro-Mecanique Direct current electrical machine with cylindrical air gap and permanent excitation
US4508988A (en) * 1982-12-21 1985-04-02 Kollmorgen Technologies Corporation Permanent magnet motor stator for d.c. motors

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007159215A (en) * 2005-12-02 2007-06-21 Denso Corp Yoke of rotary electric machine and method for manufacturing yoke
US7874061B2 (en) 2005-12-02 2011-01-25 Denso Corporation Manufacturing method of a yoke of rotary electric machine
JP4650243B2 (en) * 2005-12-02 2011-03-16 株式会社デンソー Yoke for rotating electrical machine and method for manufacturing yoke

Also Published As

Publication number Publication date
GB2209878A (en) 1989-05-24
DE8811447U1 (en) 1989-01-12
GB8721416D0 (en) 1987-10-21
CN2035929U (en) 1989-04-12

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