JP2002505069A - Electric motors for drive machines - Google Patents
Electric motors for drive machinesInfo
- Publication number
- JP2002505069A JP2002505069A JP50377699A JP50377699A JP2002505069A JP 2002505069 A JP2002505069 A JP 2002505069A JP 50377699 A JP50377699 A JP 50377699A JP 50377699 A JP50377699 A JP 50377699A JP 2002505069 A JP2002505069 A JP 2002505069A
- Authority
- JP
- Japan
- Prior art keywords
- motor shaft
- electric motor
- shaft
- sliding bearing
- motor
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000003754 machining Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- 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
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
- H02K5/1677—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4018—Pump units characterised by their drive mechanisms
- B60T8/4022—Pump units driven by an individual electric motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/0404—Details or component parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/075—Means for converting reciprocating motion into rotary motion or vice versa using crankshafts or eccentrics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/086—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
Abstract
(57)【要約】 本発明は、装置を駆動するための電気モータに関する。この電気モータは、パイプ形状のモータシャフト(11)と、この中を通っていて横方向の負荷を吸収するための保持部材(18)とを有している。スペースを節約する構成を達成し、コスト効果のある製造ができるようにするために、パイプ形状のモータシャフト(11)は、摺動ベアリング(20、21)によって保持部材(18)に設けられていて、また、前記摺動ベアリング(20、21)は、モータシャフト(11)の外周面(24)と保持部材(18)の外周面(25)とを径方向外側から少なくとも幾つかの区分で取り囲んでいる。これらの手段は、モータシャフト(11)の外周面(24)のみを機械加工することを可能にする。内壁を機械加工する必要はない。本発明は、径方向に外側のベアリングハウジングの必要性を省略するように、組立に必要なスペースを減少する。 (57) Abstract The present invention relates to an electric motor for driving a device. The electric motor has a pipe-shaped motor shaft (11) and a holding member (18) passing therethrough for absorbing a lateral load. The pipe-shaped motor shaft (11) is provided on the holding member (18) by means of sliding bearings (20, 21) in order to achieve a space-saving configuration and to enable a cost-effective production. In addition, the sliding bearings (20, 21) are arranged so that the outer peripheral surface (24) of the motor shaft (11) and the outer peripheral surface (25) of the holding member (18) are divided at least in some sections from the radial outside. Surrounding. These means make it possible to machine only the outer peripheral surface (24) of the motor shaft (11). There is no need to machine the inner wall. The present invention reduces the space required for assembly so as to eliminate the need for a radially outer bearing housing.
Description
【発明の詳細な説明】 駆動機械用の電気モータ 本発明は、駆動機械用の電気モータに関し、特にポンプ装置に関する。 キャロット(carotte)タイプのベアリングやローラーベアリングは、 従来からモータシャフトの支持部を設けるために使用されてきた。キャロットタ イプのベアリングは、モータシャフトをボウル(bowl)形状のモータハウジ ングに支持するために使用される。ローラーベアリングは、ポンプハウジングの 支持のために出力側に設けられている。このタイプのベアリング組立は、キャロ ットタイプのベアリングの領域のシャフトの摩擦面の正確な機械加工と、ポンプ ハウジングのローラーベアリング調整の正確な機械加工が必要である。しかしな がら、必然的な許容誤差のために、ローラーベアリングがポンプハウジング内に 余分な遊びを持って設けられることがしばしば生じていた。これは、ベアリング リングの関連する動きを可能とし、騒音の増加をきたし、そして、あらゆる否定 的な結果を有する摩耗腐食さえも生ずる。 従って、本発明の目的は、わずかの機械加工工程を必要とするモータシャフト 用の低コストベアリング組立を提供することである。さらに、本発明の一般的な 目的は、全体の寸法を小さくするために、モータシャフトの支持部を設けるため に必要なスペースを最小にすることである。 この目的は、請求項1の態様によって達成される。本発明によれば、保持部材 に軸支された管状のモータシャフトが設けられていて、保持部材はモータシャフ トを通って延びている。そして、少なくとも1つの摺動ベアリングが、保持部材 の外周面とモータシャフトの外周面とを、少なくとも区分して(in sect ion)取り囲むような方法でモータシャフトと保持部材との間に設けられてい る。 請求項1の態様は、ベアリングの収容のための補助的な設置スペースを径方向 に必要としないという利点を達成する。モータシャフトの外周面と保持部材の外 周面とは支持するために使用され、このように、機械加工は外周面にのみ施され る。モータシャフトの内壁はベアリング面または摩擦面が全くなく、それ故、機 械加工されないままである。このように、本発明は、外周面にのみ挑戦して(g age)仕上げられたモータシャフトとしての標準化された引き抜き管を可能に する。これは、コストと製造の経費をかなりの程度減少する。 本発明の実施例の更なる態様と利点は、記述と図面とによる従属請求項から解 る。図において、 図1は、ポンプ装置用の本発明の電気モータの部分的に破断した断面を示す概 略的側面図。 図2は、モータシャフトを設ける支持部の本質的な部分の斜視図。 図1の実施例は、ハウジング2内に設けられた電気モータ1の概略図を示して いて、偏心部4によって作動される少なくとも1つのポンプピストン5を有する ポンプ3を駆動する。電気モータ1は、その内壁に取着された永久磁石7、8を 有するボウル形状のモータハウジング6を備えている。モータハウジング6はそ の一端にかなり平坦な底部9を有している。モータハウジング6の内部は、取着 されたアーマチャー装置12と電気巻線13、14とを持った管状のモータシャ フト11を有する回転可能なロータ10を収容している。巻線13、14は、ブ ラシ15、16と整流子17を介して基本的に公知の方法で電流を供給され、同 様にこの分野で知られた方法で永久磁石7、8と協働する。 ハウジング2とモータハウジング6とを通って保持部材18が延びていて、こ れは、ポンプ3とロータ10とに軸線19に垂直な方向に生ずる横断する力を調 整する。モータ側において、保持部材18はモータハウジング6によってハウジ ング2に支持されている。ポンプ側において、保持部材18は図1に示したよう にハウジング2に直接支持されている。 モータ側のシャフト端部22と出力側シャフト端部23の各1つの摺動ベアリ ング20、21は、管状のモータシャフト11を保持部材18に設ける支持部と して使用される。各摺動ベアリング20、21は、一方においてモータシャフト 11の外周面24を少なくとも区分して(in section)取り囲んでい て、他方において保持部材18の外周面25を少なくとも区分して取り囲んでい る。 摺動ベアリング20、21は、ディスク形状の基部部材26、27と、シャフ トの軸線19と平行に設けられ軸線的に突出したソケット28、28’を有して いる。図に示されたように、摺動ベアリング20のソケット28はシャフト端部 22を取り囲んでいて、摺動ベアリング21のソケット28’はシャフト端部2 3と関連されている。摺動ベアリング20、21は、円筒状の壁の径方向外方で 終わっていて、径方向内側に段状の孔を有している。第1の孔29は保持部材1 8の外周面25を取り囲んでいて、比較的大きな直径を有する第2の孔30は、 モータシャフト11の外周面24を取り囲んでいる。このようにして、全てのベ アリング座または摩擦面は、摺動ベアリング20、21に関して径方向内方に、 モータシャフト11と保持部材18に関して径方向外方に設けられている。 摺動ベアリング20、21の各1つは、軸線的方向に、モータシャフト11を 軸線的に支持するために使用される端面をさらに有することができる。例えば摺 動ベアリング20は、その前端部31で、ボウル状の底部9の内側と摺動的に当 接する。 図1の実施例からさらに理解できることは、摺動ベアリング21が、出力側の モータシャフト端部23に設けられていて、モータシャフト11から装置への回 転不可能なトルク伝達用のカム32、33、34、35の形状の保持部材を有し ている。一方の側において、各カム32、33はモータシャフト11の関連する 溝36、37内に形状をロックするように係合されていて、他方の側において、 各カム34、35はポンプピストン5に作用する偏心部4の関連する溝38、3 9内に係合されている。全てのカム32、33、34、35は、軸線的な方向に 軸線的な組立のために延びていて、偏心部4への確実なトルク伝達を確立する。 2つの摺動ベアリング20、21に関する限り、出力側の摺動ベアリング21 は、主として移動しないようにモータシャフト11に着座していて、保持部材1 8を回転可能にすなわち摺動する方法で取り囲んでいることが依然として指摘さ れなければならない。他方の端部側の摺動ベアリング20は、モータシャフト1 1と保持部材18とのいずれかに移動しないように設けられていて、各関連する 構成部品11、18を回転可能な方法で取り囲んでいる。 結合部材としての出力側の摺動ベアリング21の操作は、図2に示されている 。 図2の実施例は、保持部材18を示していて、これは、中空のシャフト11、摺 動ベアリング21、および偏心部4を通っている。モータシャフト11と偏心部 4の両方は、摺動ベアリング21に設けられたカム32、34とそれぞれ係合す る溝36、38を有している。構成部品が軸線的に組み立てられると、モータシ ャフト11から偏心部4への形状ロック力伝達を引き起こす。 図1からさらに解るように、ニードルベアリング40が偏心部4と保持部材1 8との間に介挿されている。外部リング42を持った他のニードルベアリング4 1が、ポンプピストン5に作用するように径方向外方に設けられている。リング 42は、一方において摺動ベアリング21の端面に軸線方向に、他方においてブ ラシ44の底部43に支持されている。DETAILED DESCRIPTION OF THE INVENTION Electric motors for drive machines The present invention relates to an electric motor for a driving machine, and more particularly to a pump device. Carrotte type bearings and roller bearings Conventionally, it has been used to provide a support for a motor shaft. Carrotta The bearing of Ip is a motor housing in a bowl shape. Used to support the ring. Roller bearings are located in the pump housing It is provided on the output side for support. This type of bearing assembly is Precise machining of the friction surface of the shaft in the area of the cut-type bearing and the pump Accurate machining of the roller bearing adjustment of the housing is required. But However, due to necessary tolerances, roller bearings Often it was provided with extra play. This is the bearing Allows the associated movement of the ring, increases the noise, and any denial Even abrasion corrosion with a consequent result occurs. Therefore, it is an object of the present invention to provide a motor shaft that requires a few machining steps. To provide a low cost bearing assembly. In addition, the general The purpose is to provide a support for the motor shaft to reduce the overall dimensions Is to minimize the space required. This object is achieved by the aspects of claim 1. According to the present invention, a holding member Is provided with a tubular motor shaft which is rotatably supported by the motor shaft. Extending through the And at least one sliding bearing is a holding member. And the outer peripheral surface of the motor shaft are divided at least (in sec. ion) provided between the motor shaft and the holding member in an encircling manner You. According to an aspect of the present invention, an auxiliary installation space for accommodating the bearing is radially provided. To achieve the advantage of not requiring. Outer peripheral surface of motor shaft and outside of holding member The peripheral surface is used to support, and thus, machining is applied only to the peripheral surface You. The inner wall of the motor shaft has no bearing surface or friction surface, and Remains unmachined. Thus, the present invention challenges only the outer peripheral surface (g age) Enables standardized drawn tube as finished motor shaft I do. This reduces costs and manufacturing costs to a considerable extent. Further aspects and advantages of embodiments of the invention can be taken from the dependent claims with the description and the drawings. You. In the figure, FIG. 1 is a schematic view showing a partially broken cross section of an electric motor of the present invention for a pump device. Schematic side view. FIG. 2 is a perspective view of an essential part of a support portion provided with a motor shaft. The embodiment of FIG. 1 shows a schematic view of an electric motor 1 provided in a housing 2. And has at least one pump piston 5 actuated by an eccentric 4 The pump 3 is driven. The electric motor 1 includes a permanent magnet 7, 8 attached to its inner wall. A motor housing 6 having a bowl shape. Motor housing 6 Has a substantially flat bottom 9 at one end. The inside of the motor housing 6 is attached Tubular motor having an armature device 12 and electric windings 13 and 14 A rotatable rotor 10 having a shaft 11 is accommodated. The windings 13 and 14 are A current is supplied via the brushes 15 and 16 and the commutator 17 in a basically known manner. In cooperation with the permanent magnets 7, 8 in a manner known in the art. A holding member 18 extends through the housing 2 and the motor housing 6, and It regulates the transverse force which occurs on the pump 3 and the rotor 10 in a direction perpendicular to the axis 19. Adjust. On the motor side, the holding member 18 is housed by the motor housing 6. 2 supported. On the pump side, the holding member 18 is as shown in FIG. Are directly supported by the housing 2. One sliding bearing for each of the motor-side shaft end 22 and the output-side shaft end 23 The bearings 20 and 21 support the tubular motor shaft 11 on the holding member 18. Used as Each sliding bearing 20, 21 has a motor shaft on one side. 11 to surround at least a section (in section) of the outer peripheral surface 24. On the other hand, the outer peripheral surface 25 of the holding member 18 is surrounded at least separately. You. The sliding bearings 20, 21 are composed of disk-shaped base members 26, 27, With sockets 28, 28 'provided parallel to the axis 19 of the I have. As shown, the socket 28 of the sliding bearing 20 is at the shaft end. And the socket 28 'of the sliding bearing 21 is 3 The sliding bearings 20, 21 are located radially outward of the cylindrical wall. It is finished and has a stepped hole radially inward. The first hole 29 is the holding member 1 A second hole 30 surrounding the outer peripheral surface 25 of 8 and having a relatively large diameter, It surrounds the outer peripheral surface 24 of the motor shaft 11. In this way, all The ring seat or friction surface is radially inward with respect to the sliding bearings 20, 21; The motor shaft 11 and the holding member 18 are provided radially outward. Each one of the sliding bearings 20, 21 has a motor shaft 11 in the axial direction. It may further have end faces used for axial support. For example, At its front end 31, the dynamic bearing 20 slides against the inside of the bowl-shaped bottom 9. Touch It can be further understood from the embodiment of FIG. 1 that the sliding bearing 21 is provided on the output side. The motor shaft 11 is provided at the motor shaft end 23, and is connected to the device from the motor shaft 11 to the device. It has a holding member in the form of a cam 32, 33, 34, 35 for non-rotatable torque transmission. ing. On one side, each cam 32, 33 has an associated camshaft 11 Engaged in the grooves 36, 37 to lock the shape, and on the other side, Each cam 34, 35 has an associated groove 38, 3 of the eccentric 4 acting on the pump piston 5. 9 are engaged. All cams 32, 33, 34, 35 are axially oriented It extends for axial assembly and establishes a reliable torque transmission to the eccentric 4. As far as the two sliding bearings 20, 21 are concerned, the sliding bearing 21 on the output side Is mainly seated on the motor shaft 11 so as not to move, and the holding member 1 It is still pointed out that it encircles 8 in a rotatable or sliding manner. Must be done. The sliding bearing 20 on the other end side is the motor shaft 1 1 and the holding member 18 so as not to move, and The components 11, 18 are surrounded in a rotatable manner. The operation of the sliding bearing 21 on the output side as a coupling member is shown in FIG. . The embodiment of FIG. 2 shows a holding member 18, which comprises a hollow shaft 11, a slide It passes through the dynamic bearing 21 and the eccentric part 4. Motor shaft 11 and eccentric part 4 respectively engage with cams 32, 34 provided on the sliding bearing 21 respectively. Grooves 36 and 38 are provided. Once the components are assembled axially, The shape locking force is transmitted from the shaft 11 to the eccentric portion 4. As can be seen further from FIG. 8 is inserted. Other needle bearing 4 with outer ring 42 1 is provided radially outward so as to act on the pump piston 5. ring Reference numeral 42 denotes an axial direction on one end of the sliding bearing 21 and a bearing on the other. It is supported on the bottom 43 of the brush 44.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 ディンケル、ディーター ドイツ連邦共和国、デー―65817 エップ シュタイン、アドルフ―グッケス―ベーク 2────────────────────────────────────────────────── ─── Continuation of front page (72) Dinkel, Dieter Germany, Day 65817 Ep Stein, Adolf-Guckes-Bake 2
Claims (1)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1997126017 DE19726017A1 (en) | 1997-06-19 | 1997-06-19 | Electric motor to drive a work machine |
| DE19726017.9 | 1997-06-19 | ||
| PCT/EP1998/003738 WO1998059405A1 (en) | 1997-06-19 | 1998-06-18 | Electric motor for driving a machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002505069A true JP2002505069A (en) | 2002-02-12 |
Family
ID=7833012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50377699A Pending JP2002505069A (en) | 1997-06-19 | 1998-06-18 | Electric motors for drive machines |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2002505069A (en) |
| DE (1) | DE19726017A1 (en) |
| WO (1) | WO1998059405A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015220865A (en) * | 2014-05-16 | 2015-12-07 | 株式会社ミツバ | Armature, electric motor, electric motor with reduction gear |
| JP2015220864A (en) * | 2014-05-16 | 2015-12-07 | 株式会社ミツバ | Armature, electric motor, electric motor with reduction gear |
| JP2015220866A (en) * | 2014-05-16 | 2015-12-07 | 株式会社ミツバ | Electric motor with deceleration device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10131761A1 (en) * | 2001-06-30 | 2003-01-16 | Bosch Gmbh Robert | Electrical machine |
| DE102007062383A1 (en) * | 2007-12-22 | 2009-06-25 | Robert Bosch Gmbh | Hollow shaft motor for coupling to a machine shaft |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2264934B2 (en) * | 1972-09-14 | 1978-02-16 | Ausscheidung aus: 22 45 009 Eheim, Günther, 7301 Deizisau | STORAGE OF THE ROTOR OF A MOTOR PUMP UNIT |
| DE3831457A1 (en) * | 1988-09-16 | 1990-03-22 | Licentia Gmbh | Electric motor-driven fluid pump |
| JP3087798B2 (en) * | 1992-10-29 | 2000-09-11 | 株式会社三協精機製作所 | Motor rotor support structure |
-
1997
- 1997-06-19 DE DE1997126017 patent/DE19726017A1/en not_active Withdrawn
-
1998
- 1998-06-18 JP JP50377699A patent/JP2002505069A/en active Pending
- 1998-06-18 WO PCT/EP1998/003738 patent/WO1998059405A1/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015220865A (en) * | 2014-05-16 | 2015-12-07 | 株式会社ミツバ | Armature, electric motor, electric motor with reduction gear |
| JP2015220864A (en) * | 2014-05-16 | 2015-12-07 | 株式会社ミツバ | Armature, electric motor, electric motor with reduction gear |
| JP2015220866A (en) * | 2014-05-16 | 2015-12-07 | 株式会社ミツバ | Electric motor with deceleration device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1998059405A1 (en) | 1998-12-30 |
| DE19726017A1 (en) | 1998-12-24 |
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