CN1331298C - Drive arrangement with a fixed bearing - Google Patents

Drive arrangement with a fixed bearing Download PDF

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Publication number
CN1331298C
CN1331298C CNB03813487XA CN03813487A CN1331298C CN 1331298 C CN1331298 C CN 1331298C CN B03813487X A CNB03813487X A CN B03813487XA CN 03813487 A CN03813487 A CN 03813487A CN 1331298 C CN1331298 C CN 1331298C
Authority
CN
China
Prior art keywords
motor apparatus
described motor
fixed
plug connector
stator
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 - Fee Related
Application number
CNB03813487XA
Other languages
Chinese (zh)
Other versions
CN1659763A (en
Inventor
约阿希姆·希尔特
诺贝特·埃斯利
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.)
Luke Asset Management Co ltd
Schaeffler Technologies AG and Co KG
Original Assignee
LuK Lamellen und Kupplungsbau GmbH
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 LuK Lamellen und Kupplungsbau GmbH filed Critical LuK Lamellen und Kupplungsbau GmbH
Publication of CN1659763A publication Critical patent/CN1659763A/en
Application granted granted Critical
Publication of CN1331298C publication Critical patent/CN1331298C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • H02K5/08—Insulating casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
    • 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
    • H02K5/15—Mounting arrangements for bearing-shields or end plates
    • 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
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • 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
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • 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
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • 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
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations

Abstract

The invention relates to a drive arrangement with a unit comprising stator, rotor and fixed bearing in which a shaft of the motor is mounted, housed in a motor housing. An injection moulded piece comprises a plug piece on an external annular piece, which comprises a branch supply line, connected to the coil of the stator and a sensor line connected to a sensor circuit board, whereby said sensor circuit board comprises at least one sensor. The injection moulded piece further comprises an inner annular piece in which the fixed bearing is arranged on the side axially opposed to the shaft output of the drive arrangement.

Description

The motor apparatus that has a rigid bearing
Technical field
The present invention relates to a kind of motor apparatus, it has a unit that is arranged in the motor shell, and this unit has stator and rotor and has an armature spindle that is bearing in the rigid bearing.
Background technology
In disclosed motor apparatus, this rigid bearing is arranged on axle output one side of motor (Motor) usually.
Summary of the invention
The objective of the invention is to, improve the performance of this motor when being subjected to vibrational loading.
Above-mentioned purpose will reach by a kind of motor apparatus, in this motor apparatus, be provided with a die casting, it has a plug connector on an exterior annular part, this plug connector comprises a supply lines mutually that is connected with stator coil and a sensor conductor that is connected with a sensor circuit board, at this, this sensor circuit board has at least one transducer.In addition, die casting also has an interior annular part, and rigid bearing is arranged on the axle output end that axially deviates from motor apparatus in this interior annular part.
Major advantage of the present invention is, because rigid bearing is in the configuration of axle output one side of motor dorsad, the center of gravity of motor apparatus of the present invention can be moved by the further fitting surface direction to motor shell, and therefore, the performance of motor apparatus of the present invention aspect oscillating load is enhanced.At this, rigid bearing can preferably be arranged in the bearing receiving member of interior annular part, or directly in the above supported.
In a preferred embodiment of the invention, sensor circuit board is fixed on the interior annular part.But it also can be fixed by the sensor conductor that is fixed in the exterior annular part.Sensor circuit board preferably also has an electric components with this transducer mating reaction.
Phase supply lines and sensor conductor are made with the form of punching press grid as required, and at this, the zone of leading to sensor circuit board or stator of these leads is fixed on or embeds in the exterior annular part.In making the motor apparatus process, can be separated from one another in the punching press grid by separating of bridge-type parts by a certain moment of bridge-type parts these leads connected to one another in the outside in making the motor apparatus process.
Exterior annular at die casting partly and between the interior annular part is provided with at least one passage, in order to be connected with stator coil or sensor circuit plate contact before pouring in pours, the end of phase supply lines and sensor conductor is palp in this passage.Thus, can realize simply being electrically connected owing to good touching property between sensor circuit board and the sensor conductor and between stator coil and phase supply lines.
Plug connector or its part body are injected into type on the circumference of exterior annular part, and at this, some zones of phase supply lines and sensor conductor are imbedded in the part body of plug connector.Can realize good especially the fixing of above-mentioned lead thus.In of the present invention one particularly preferred configuration, the seal of radially seeing in the best die casting in the annular of inboard is set on the part body of plug connector, be used for the hermetic motor housing the cooperation place and/or be used for sealing the cooperation place of a cover piece.
Rigid bearing is fixed by a fixed part that is supported on the interior annular part.This side towards plug connector of stator preferably is embedded in the accommodation hole of plug connector spare body.Intermediate cavity between exterior annular part and interior annular part, that be provided with, phase supply lines and sensor conductor, some zones of fixed part and stator in case of necessity of portion pour into a unit and fixed to one another by pours within it.If pours is surrounded and the outside of fixed stator and a side of plug connector dorsad, then can obtain a highly stable unit.Rotor with itself and one be located at above it in the floating bearing that deviates from plug connector one side inserts stator, make this zone of passing rigid bearing preferably be fixed on the rigid bearing by propping up in the outside.Floating bearing can be fixed on this axle by propping up equally.Motor shell axially is set on stator and the floating bearing in manufacture process and assembles and be fixed on the part body of plug connector.What this had advantage is that the power that is acted on is transmitted by stator component.What especially have advantage is that the fixed area of a cover piece of settling from the rigid bearing side is overlapped on the end towards cover piece of motor shell.In this way, motor shell and cover piece are fixed to one another on the one hand, and also are fixed on the unit of motor apparatus simultaneously on the other hand.
Description of drawings
Further specify motor apparatus of the present invention and its configuration below in conjunction with accompanying drawing.
Fig. 1. the punching press grid of motor apparatus of the present invention and a sensor circuit board;
Fig. 2. the plug connector of motor apparatus of the present invention;
Fig. 3. the stator component of motor apparatus of the present invention;
Fig. 4. the enlarged drawing of stator component among Fig. 3;
Fig. 5. pack into the view of motor apparatus of the present invention of rotor assembly;
Fig. 6. motor shell is installed in the view in the configuration shown in Figure 5;
Fig. 7. the motor apparatus of having finished of the present invention.
Embodiment
According to Fig. 1, the so-called punching press grid (Stanzgitter) of motor apparatus of the present invention comprise a sensor conductor 2 and a supply lines 3 mutually, they are connected to each other by bridge-type parts 4 (dotted line), and these bridge-type parts a certain suitable moment afterwards can separatedly open.Sensor conductor 2 with this mutually supply lines 3 be fixed in the die casting 5, this die casting preferably is arranged to annular and is had an exterior annular part 5-1 and an interior annular part 5-2.Described lead 2,3 the pick ofs embed in the exterior annular part 5-1.
On the interior annular part 5-2 of die casting 5 some bolts 6 are set preferably, they receive a sensor circuit board 7, and in order to fix this sensor circuit board 7 preferably by thermal deformation.Sensor circuit board 7 also can be received fixing in other words by punching press grid 3.Sensor circuit board is connected with punching press grid 3 conductions through a defeated heat part by an axial passage 9.Punching press grid 3 can be divided into single lead 2 and 3 by the separation of bridge-type parts 4.Comprise a transducer not shown further and can separate bridge-type parts 4 backs by electro-detection with the sensor circuit board 7 that preferably also has an electronic circuit part.5 of die castings receive punching press grid 3 and sensor circuit board 7, and it contains the bearing-surface of the bearing receiving member 8 of the rigid bearing 14 that is useful on motor apparatus.
In another form of implementation, the interior annular part 5-2 of die casting 5 does not have the bearing receiving member.In this case, rigid bearing axially directly is supported on of interior annular part 5-2 by putting on the face 1.
Die casting 5 has at least one passage 9, and it in axial direction preferably extends to both sides and opens wide, and the end regions that are located in the die casting 5 of phase supply lines 3 extend through this passage, so that the contact of back connects.For the contact connects, the end of sensor conductor 2 also is come-at-able in passage 9.
According to Fig. 2, on die casting 5, or more precisely, die casting is on the exterior annular part 5-1 of die casting 5 by die casting for plug connector 10.Plug connector 10 has comprised the repertoire of plug connector, and it has also held die casting together with punching press grid 1 lead 2,3 and sensor circuit board 7 in other words in addition.In addition, plug connector 10 also has and is used for receiving afterwards or settling and the radial contour that is connected motor shell 25 (Fig. 6).On plug connector 10 its both sides can be provided with, die casting upper sealing device 11,12 preferably, they make also to illustrate below become possibility with motor shell 25 with being tightly connected of cover piece 26.Settling sealing device 11,12 o'clock, be noted that they intactly define these sealing surfaces on the part body of plug connector 10, to avoid the seepage (Unterwandern) between plug connector 10 and the die casting 5.When injection moulding plug connector 10, note the maximum permissible temperature of sensor circuit board 7 and its attachment.
According to Fig. 3 and 4, subsequently stator 13, plug connector 10, rigid bearing 14 and bearing fixing parts 15 are in place by a device.Coil phase line 16 and sensor circuit board 7 are with supply lines 2 and sensor conductor 3 conductions are connected mutually.The axial passage 9 of die casting 5 provides suitable position for this reason.By the described device that is used for installing, can make sensor device with respect to the coil orientation.This magnet 30 (Fig. 5) of determining by a relative stator 13 is realized.Obtain optimized commutation signal (Kommutiersignal) thus, and therefore obtain better motor power utilization.For orientation, also can stator coil be connected by the contact with transducer, and reach directed by the field that is produced by plug connector 10.Make coil become possibility by described device to the mechanical arrangements of transducer.Rigid bearing 14 and its fixed part 15 are loaded in the interior annular part 5-2 that is connected with plug connector 10.Their (necessary words are under pre-clamping condition) are axially fixed.
According to Fig. 4, the coil case of stator 13 is poured into a unit with plug connector 10 and rigid bearing 14 of being packed into and its fixed part 15 by suitable pours 20.Realized the sealing fully of geometry thus.Stator 13 is axially gone up upwards the same sealed with the footpath, so that fixed cylinder shape and coil windings.Pours 20 is also surrounded the sensor circuit board 7 that has its electronic building brick (transducer and electronic circuit part).Rigid bearing 14 is fixed between die casting 5 (or plug connector 10) and the fixed part 15.It is recessed that these parts of being poured into a mould preferably respectively have side, so that guarantee and sealed being connected of pours 20 shapes.Should note the material of pours 20 and its compatibility with other material and surface.For thermoset plastics, must be noted that the exhaust and the disengagement of pole plate and encapsulant.For thermoplastics, must be noted that the temperature consistency of each member.For plastics, to note distortion and shrinkage usually.The unit of making like this is not used with can having additional motor shell yet.It can be inserted in the motor field frame, for example perhaps inserts in the gear mechanism housing.
According to Fig. 5, the assembly of being made up of rotor 21 and motor drive shaft 22 is assembled with a control magnet 30 that is mounted for supporting floating bearing 23, spacer ring, magnetic assembly (Magnetpaket) and relative its orientation of floating bearing axle journal.Motor drive shaft is also propped up in this is loaded into rigid bearing 14 as can be seen regularly.The unit of Zu Chenging can not have motor shell ground detected in a device like this.
According to Fig. 6, said units be loaded in the attached motor shell 25 in case constitute a driver or the suitable assembling geometry of packing in.In the time of in stator is pressed into motor shell 25, power passed stator component.
Can settle on the motor shell 25, for example vulcanizate closes shaft seal, seal 11 between flange seal spare 33 and stator component and the motor shell 25.
Fig. 7 shows motor apparatus, and it is twisted solid in different planes with assembly parts 27.Cover piece 26 hooks motor shell 25 by a fixed area 28 that preferably extends axially the part body that passes plug connector 10 or clamps thereon.
Claims of submitting to the application are a kind ofly to write suggestion and do not predict the big as far as possible scope of patent protection of acquisition.The applicant still keeps: the characteristics combination that will only be disclosed in so far in specification and/or the accompanying drawing continues to propose protection.
Indication is drawn in returning of using in the dependent claims: the feature by corresponding dependent claims is to the theme of independent claims configuration further; They should not be understood that the characteristics combination of returning the dependent claims that draws is abandoned realizing an independently specifically protection.
Because the theme of these dependent claims of prior art of relative priority day is distinctive and can constitutes independently invention that the applicant still keeps: with they technical scheme or division explanations as independent claims.They can also comprise other independent invention, and these independent inventions have and the irrelevant configuration of the theme of above-mentioned dependent claims.
These embodiment should not be counted as limitation of the present invention.And in scope disclosed by the invention, can have numerous variations and modification, especially some modification, unit and combination and/or material, they for example be by individual characteristics be combined in described in general remark and form of implementation and the claim and accompanying drawing in the feature that comprises or the combination or the conversion of unit or method step can know by inference in view of its task of solution for the professional, or cause a new theme or new method step or method step order, and be with regard to they relate to manufacturing, check and method of work by feature capable of being combined.

Claims (18)

1. motor apparatus, it has a unit that is located in the motor shell, this unit has stator and rotor and has an armature spindle that is bearing in the rigid bearing, it is characterized in that, be provided with a die casting, it has a plug connector on an exterior annular part, this plug connector comprises a supply lines mutually that is connected with stator coil and a sensor conductor that is connected with a sensor circuit board, wherein, sensor circuit board has at least one transducer, this die casting also has an interior annular part, this rigid bearing is arranged on a side of the axle output that axially deviates from this motor apparatus in this interior annular part, and wherein, this output is supported by floating bearing.
2. according to the described motor apparatus of claim 1, it is characterized in that this sensor circuit board is fixed on the interior annular part.
3. according to the described motor apparatus of claim 1, it is characterized in that sensor circuit board (7) is fixed by sensor conductor, this sensor conductor is fixed in the exterior annular part.
4. according to each described motor apparatus of claim 1 to 3, it is characterized in that sensor circuit board comprises an electric components with this transducer mating reaction.
5. according to each described motor apparatus of claim 1 to 3, it is characterized in that, outside this phase supply lines and this sensor conductor (2) are positioned at for the form of punching press grid and by one, separable bridge-type parts are connected to each other, wherein, the zone of leading to sensor circuit board or stator is fixed or is embedded in this exterior annular part.
6. according to each described motor apparatus of claim 1 to 3, it is characterized in that, exterior annular at die casting partly and between the interior annular part is provided with at least one passage, in this passage, in order to be connected with stator coil or sensor circuit plate contact before pours pours into, the end of phase supply lines and sensor conductor (2) is palp.
7. according to each described motor apparatus of claim 1 to 3, it is characterized in that plug connector injection moulding is on the circumference of exterior annular part, at this, some zones of phase supply lines (3) and sensor conductor are imbedded in the part body of plug connector.
8. according to the described motor apparatus of claim 7, it is characterized in that, be provided with the seal that radially is seen as interior annular on the part body of plug connector, they are used for the hermetic motor housing in the cooperation place that deviates from rigid bearing one side and/or be used for sealing a cover piece in the cooperation place towards rigid bearing one side.
9. according to each described motor apparatus of claim 1 to 3, it is characterized in that the bearing that is located at interior annular part holds the rigid bearing in the parts or directly is supported on one of the interior annular part and is supported on the fixed part of described interior annular on partly by one and fixes by putting rigid bearing on the face.
10. according to each described motor apparatus of claim 1 to 3, it is characterized in that, stator in plug connector one side is engaged in the accommodation hole of part body of plug connector.
11. each described motor apparatus according to claim 1 to 3, it is characterized in that, intermediate cavity between exterior annular part and interior annular part, portion zone that be provided with, phase supply lines and sensor conductor pours into a unit and fixed to one another by pours within it.
12., it is characterized in that pours is also surrounded and the outside of fixed stator and a side of plug connector dorsad according to the described motor apparatus of claim 11.
13. each described motor apparatus according to claim 1 to 3, it is characterized in that, rotor with itself and one be located at above it in the floating bearing that deviates from plug connector one side inserts stator, at this, this zone of passing described rigid bearing is fixed on this rigid bearing in the outside.
14., it is characterized in that motor shell (25) is set on stator and the floating bearing vertically according to the described motor apparatus of claim 13, and assemble and be fixed on the part body of plug connector.
15., it is characterized in that described cover piece is located at towards a side of rigid bearing and by a fixed part and is connected with the side towards this rigid bearing of motor shell according to the described motor apparatus of claim 8.
16. according to the described motor apparatus of claim 8, it is characterized in that, on the part body of plug connector injection moulding the above directly upwards be seen as the seal of interior annular.
17., it is characterized in that the zone of fixed part (15) and stator pours into a unit and fixed to one another by pours according to the described motor apparatus of claim 11.
18., it is characterized in that this zone of passing described rigid bearing is fixed by propping up on this rigid bearing in the outside according to the described motor apparatus of claim 13.
CNB03813487XA 2002-04-10 2003-04-10 Drive arrangement with a fixed bearing Expired - Fee Related CN1331298C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10215715.4 2002-04-10
DE10215715 2002-04-10
DE10241068.2 2002-09-05
DE10241068 2002-09-05
PCT/DE2003/001186 WO2003088453A1 (en) 2002-04-10 2003-04-10 Drive arrangement with a fixed bearing

Publications (2)

Publication Number Publication Date
CN1659763A CN1659763A (en) 2005-08-24
CN1331298C true CN1331298C (en) 2007-08-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNB03813487XA Expired - Fee Related CN1331298C (en) 2002-04-10 2003-04-10 Drive arrangement with a fixed bearing

Country Status (6)

Country Link
EP (1) EP1497903A1 (en)
KR (1) KR100977644B1 (en)
CN (1) CN1331298C (en)
DE (2) DE10316435A1 (en)
FR (1) FR2838575A1 (en)
WO (1) WO2003088453A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006288137A (en) * 2005-04-04 2006-10-19 Kayaba Ind Co Ltd Motor structure
DE102007046227A1 (en) * 2007-01-19 2008-07-24 Johnson Controls Gmbh DC motor in compact design
DE102013208696A1 (en) 2013-05-13 2014-11-13 Schaeffler Technologies Gmbh & Co. Kg Connector assembly, actuator and torque transmitting device
JP6278206B2 (en) * 2015-06-29 2018-02-14 コベルコ建機株式会社 Electric motor and manufacturing method thereof
JP2019120964A (en) * 2017-12-28 2019-07-22 本田技研工業株式会社 Lever unit
US20240088745A1 (en) 2022-09-12 2024-03-14 Ferrari S.P.A. Electric machine three-phase stator

Citations (5)

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DE4309899A1 (en) * 1992-03-26 1993-09-30 Dorin Mario Spa Connection casing with integral terminal block for electric motor - has slotted holes in floor of connection box for links between contacts and terminations of power cable
CN1077824A (en) * 1991-11-13 1993-10-27 精工埃普生株式会社 Brshless DC motor
US5532533A (en) * 1993-04-02 1996-07-02 Mitsubishi Denki Kabushiki Kaisha Servo motor integral with control apparatus
US5945759A (en) * 1998-05-12 1999-08-31 Minebea Co., Ltd. Stepping motor
US20020030415A1 (en) * 2000-06-23 2002-03-14 Hideaki Morooka DC fan motor and method of manufacturing same

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Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
CN1077824A (en) * 1991-11-13 1993-10-27 精工埃普生株式会社 Brshless DC motor
DE4309899A1 (en) * 1992-03-26 1993-09-30 Dorin Mario Spa Connection casing with integral terminal block for electric motor - has slotted holes in floor of connection box for links between contacts and terminations of power cable
US5532533A (en) * 1993-04-02 1996-07-02 Mitsubishi Denki Kabushiki Kaisha Servo motor integral with control apparatus
US5945759A (en) * 1998-05-12 1999-08-31 Minebea Co., Ltd. Stepping motor
US20020030415A1 (en) * 2000-06-23 2002-03-14 Hideaki Morooka DC fan motor and method of manufacturing same

Also Published As

Publication number Publication date
CN1659763A (en) 2005-08-24
DE10391628A5 (en) 2013-09-19
KR100977644B1 (en) 2010-08-24
FR2838575A1 (en) 2003-10-17
DE10316435A1 (en) 2003-11-13
WO2003088453A1 (en) 2003-10-23
EP1497903A1 (en) 2005-01-19
KR20040097324A (en) 2004-11-17

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