CN105659473A - Rotor for an electric motor and method for producing the rotor - Google Patents
Rotor for an electric motor and method for producing the rotor Download PDFInfo
- Publication number
- CN105659473A CN105659473A CN201480043154.7A CN201480043154A CN105659473A CN 105659473 A CN105659473 A CN 105659473A CN 201480043154 A CN201480043154 A CN 201480043154A CN 105659473 A CN105659473 A CN 105659473A
- Authority
- CN
- China
- Prior art keywords
- rotor
- epoxy resin
- resin material
- spindle
- starting element
- 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
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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- 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
- H02K7/081—Structural association with bearings specially adapted for worm gear drives
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/03—Machines characterised by thrust bearings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to a rotor (10) for an electric motor (1), which rotor comprises a rotor shaft (11) having a rotor body (12) fastened on the rotor shaft (11) and having an axial thrust element (20), which adjoins an end face of the rotor body (12) at an axial distance with respect to the longitudinal axis (14) of the rotor shaft (11) and which is designed to axially position the rotor shaft (11) in a housing (2, 3), wherein the thrust element (20) is rigidly connected to the rotor shaft (11). According to the invention, an epoxide resin mass (30) is arranged on the rotor shaft (11) between the rotor body (12) and the thrust element (20), and the epoxide resin mass (30) forms a radially circumferential bead (40) on the rotor shaft (11) in the axial end position of the thrust element (20) as an axial stop for the thrust element (20), against which bead an end-face surface (41) of the thrust element lies.
Description
Prior art
The present invention relates to a kind of rotor for electric motor as described in the preamble according to claim 1. The present invention relates to a kind of method for the manufacture of the rotor according to the present invention in addition.
According to the rotor as described in the preamble of claim 1 by the integral part as geared drive unit known in reality, as it uses in the comfortable drive unit of motor vehicle. Whether restrictive comfortable drive unit is at this within the scope of this invention such as, but, it is to understand that is window riser drive unit, sliding top skylight drive unit, glass wiper motor, seat adjustment motor or analogue. Known rotor is bearing in a bearing in the both sides of its rotor body usually respectively, and wherein, bearing arrangement is in the pole tank shell of motor shell or electric motor. Due to the power of axis acted on rotor spindle, it is necessary to the side of rotor spindle towards the bearing mentioned axially upwardly is supported. This realizes by means of so-called starting cover, and it is usually pushed away by means of pressing base cooperation and installs on rotor spindle. According to the size of pressure of requirement between rotor spindle and starting cover and the situation of the material of use and size, this kind of extrusion process becomes quite complicated or requires accurately to monitor this process so that this extruding is implemented in the way you want.
In addition by the known a kind of rotor for electric motor of EP0895668B1, one of them reverser, it is usually placed on the rotor body side opposite with starting cover, is prevented torsionally being fixed on rotor spindle at use epoxy resin material by means of bonding process.
The present invention discloses
It is an object of the invention to from the prior art illustrated improve the rotor for electric motor as described in the preamble according to claim 1 like this, namely realize in the relatively simple and safety in manufacturing technology starting between element (starting cover) and rotor spindle and arrange reliably. This object so realizes in the rotor for electric motor of a kind of feature with claim 1 according to the present invention, namely on rotor spindle, between rotor body and starting element, epoxy resin material is arranged, with epoxy resin material formed on rotor spindle on the end position of axis starting element radial loop around projection as the axial stop for starting element, the end face starting element leans at least in subregional in this backstop. Especially thus by prior art require, make in order to axial location rotor spindle starting element on rotor spindle towards start element extruding no longer need in principle. Its result is, the tolerance of dimension at the outside diameter of the interior diameter and rotor spindle that start cover is not too critical, and thus parts can more simply advantageously manufacture with cost in manufacturing technology. But the cooperation in any type started between element and rotor spindle can also be considered in the widest design of the present invention and thus also comprise press-fit. Important is only that epoxy resin material forms the axial stop for starting element.
Implement in the dependent claims according to the favourable expansion scheme of the rotor for electric motor of the present invention.
Design very particularly preferably specifies, outside diameter in the interior hole and rotor spindle of starting element forms running fit, and the radius clearance that epoxy resin material is filled between the interior hole starting element and outside diameter rotor spindle at least in subregional on rotor spindle on the end position of axis starting element. This means, bonding connection is formed, it is characterised in that the epoxy resin material of use is filled in the radius clearance started between the interior hole of element and the outside diameter of rotor spindle with that thus realize relative big area between the parts at least in part with reliable bonding company between described parts. Especially thus become unimportant further in the tolerance of dimension started between the interior diameter of element and the outside diameter of rotor spindle, because epoxy resin material compensates the tolerance of parts.
Regulation in another design of the present invention, protruding in extension on starting element and the whole axial spacing between its rotor body ends face, thus projection contacts with rotor body ends face.
Preferably, start members being molded of plastic to make. This kind starts element and advantageously can manufacture by die casting and realize the good adhesion of epoxy resin material by cost especially.
The bonding connection regulation started between element and rotor spindle to improve, starts element and at least has at least one accommodation groove for epoxy resin material in the region in the Shang Nei hole, side of rotor body.
In the preferred design geometrically holding groove, hold groove with the shape design in the space of part ring groove shape. This kind of space especially simply can manufacture with arbitrary shape and quantity in the starting element situation being made of plastics, because only need once designing accordingly of mould for this reason.
Intensity in order to optimize between rotor spindle and starting element can specify, arranges multiple accommodation groove arranged under uniform angular interval each other.
Start another preferred design regulation of element, start element and there is in each end at least one accommodation groove, refer in particular to herein, hold groove and construct in the same manner in two ends starting element or arrange. This kind of design starting element has special benefit, usually the starting element provided can be installed on the direction towards rotor body by each end face with its directed unrelated ground laxly, this facilitate that operation, because not needing starting element to carry out the orientation determined relative to rotor spindle.
Under the installment state of rotor spindle in motor shell, or when coordinating the bearing of effect to be arranged on rotor spindle with rotor spindle, important, there is no epoxy resin at the rotor spindle side upper rotor part axle in the face of bearing, so that can in the axial direction until bearing installed without problems by starting element.
In addition also important in the mounted state, remaining parts of rotor body and motor shell are electrically separated, to avoid short circuit. Another favourable design regulation of the present invention, epoxy resin material be arranged in the face of start element rotor body ends face on and on a part region of the axial length of rotor in the face of start element side on, and epoxy resin material maximally extends on the end position of axis starting element on rotor spindle and deviates from the end face that rotor body starts element, but is preferably less than maximum extension.
The present invention yet comprises a kind of method for the manufacture of the rotor according to the present invention, wherein on the rotor spindle with rotor body stationary shaft to starting element, it is installed on the shaft end of rotor spindle and moves on the end position of an axis always. Comprise according to the method for the present invention, at least it is applied on the part region of rotor spindle at a process steps epoxy resin material, then member motion will be started on the end position of its axis when epoxy resin material does not also harden, wherein, epoxy resin material by start element exclusion formed radial loop around projection, the end face starting element leans in projection, with the hardening on the end position of axis starting element of last epoxy resin material, thus form a fixed connection between rotor spindle and starting element.
Specifying in the preferred design of method, time on the end position of axis that starting element moves to it on rotor spindle, part epoxy resin material enters in the radius clearance started between element and rotor spindle and fills this radius clearance at least in subregional.
Another particularly preferred method is fixed, epoxy resin material be applied in the face of start element rotor body end face on and rotor spindle length a part on, wherein, this partial-length extends to the half starting the axial length of element on the end position of its axis from the end face of rotor body.
A kind of preferably fix for applying the method for epoxy resin material in manufacturing technology, epoxy resin material is configured to be applied on rotor by pulverous material, it applies method preferably by electrostatic powder and is applied on rotor, with in order to hardening epoxy resin material, rotor bears heat, ray or inducedmagnetic field process. Can especially shorten the setting time of epoxy resin material by last described method steps and improve intensity. But substitute powder coated method, it is also possible to the electrostatic coating method imagining other is such as leaching bath coating or similar approach.
Other the advantage of the present invention, characteristic sum details is by description of preferred embodiments below and obtains by means of accompanying drawing.
Shown in the drawings:
Fig. 1 is using the simplification view according to the geared drive unit under the rotor of the present invention,
Fig. 2 is the schema of the important making step for illustration of the rotor according to the present invention,
Fig. 3 is the sectional side elevation by starting element, as it uses according to the rotor of Fig. 1, and
Fig. 4 to Fig. 6 is each axial part region of the rotor according to Fig. 1 at different making steps.
Identical parts or the parts with identical function have identical Reference numeral in the accompanying drawings.
The essential structure of geared drive unit 100 shown in Fig. 1, as it especially uses as the integral part of the comfortable drive unit in motor vehicle. Whether restrictive comfortable drive unit is at this within the scope of this invention such as, but, it is to understand that is window riser drive unit, seat adjustment drive unit, sliding top skylight drive unit or analogue.
Geared drive unit 100 comprises electric motor 1, and it is arranged in motor or pole tank shell 2 substantially. The pole tank shell 2 being made up of metal sheet connects in its an end ui transmission mechanism shell 3, arranges transmission rig 5 wherein, transmission rig single-stage or multistage construct, and it improves its moment of torsion for reducing the rotating speed of electric motor 1 simultaneously. From transmission mechanism shell 3, protrude output shaft axle 6, it at least indirectly with the parts to be regulated, such as glass for vehicle window or sliding top skylight, connect.
Electric motor 1 comprises the rotor 10 according to the present invention, and its rotor spindle 11 axially extends in transmission mechanism shell 3. Rotor spindle 11 has worm screw teeth portion in transmission mechanism shell 3, and it engages with the spurn wheel of method with the power wheel of transmission rig 5 in known manner. On rotor spindle 11, longitudinal center line 14 with rotor spindle 11 inner at pole tank shell 2 prevents torsionally fixed rotor body 12 with method with one heart in a way known. (the not illustrating) winding wire arranged in the corresponding groove of rotor body 12 can be electrically connected with reverser 13.
Rotor spindle 11 is bearing in three bearings 15 to 17 in an embodiment. Bearing 15 is arranged on reverser 13 side deviated from rotor body 12 in the case, and bearing 16 in shaft end 18 gasket areas be in relative little spacing on the side that transmission mechanism shell 3 deviates from and between rotor body 12 under. Act in the direction of arrows 19 the axial force on rotor 10 by a so-called starting cover form being fixed on rotor spindle 11, axial starting element 20 from rotor spindle 11 to bearing 16 direction supporting.
In figure 3 starting element 20 shown in detail view be preferably made of plastics and as die casting manufacture. Starting element 20 is configured to and has interior hole 21 with overlapping shape, it has interior diameter D, its size designs like this, at least on rotor spindle 11 start element 20 axis end position on, start element 20 form running fit between interior diameter D and the outside diameter d (Fig. 6) of rotor spindle 11. The region in interior hole 21 is started element 20 this external it two end faces 22,23 region in have respectively four each stagger each other 90 �� ground arrange forms be hold groove 25 space 24. Hold groove 25 by rectangle or the space 24 of part ring groove shape be configured to. Radius clearance between the Zhong Nei hole, region 21 holding groove 25 and the outside diameter d of rotor spindle 11 constructs extendedly.
According to the present invention's regulation, start element 20 and fix by means of epoxy resin material 30 on rotor spindle 11. Specify in the first process steps 31 at this corresponding to Fig. 2, fixed rotor body 12 on rotor spindle 11. Then in the 2nd process steps 32, epoxy resin material 30 is applied corresponding to the view of Fig. 4 is entirely surperficial on an end face 33 of rotor body 12 on the side starting element 20. In addition epoxy resin material 30 is yet applied on a part region t of the length of rotor spindle 11, wherein, the length of part region t reaches an axial location of rotor spindle 11 always, and this position is roughly corresponding to starting the midpoint of element 20 on the end position of its axis on rotor spindle 11. Pushing away the cover 34 filling a cover shape on rotor spindle 11, it hides shaft end 18 for this reason. Preferably specifying, epoxy resin material 30 exists first in powder form, its by electrostatic powder apply method be applied on the end face 33 of rotor body 12 and on rotor spindle 11 in the t of part region and stick to there.
After epoxy resin material 30 is applied on rotor spindle 11 in the way you want with method, in the 3rd process steps 35, starting element 20 axially is passed on the shaft end 18 of rotor spindle 11 by the view of corresponding figures 2 and 5 by means of the passing parts 36 of cover shape. Especially in the case corresponding to Fig. 5, identify based on the radius clearance 37 (illustrating enlargedly in the drawings) that the running fit between the interior hole 21 starting element 20 and the outside diameter d of rotor spindle 11 is configured to. Starting element 20 is passed rotor spindle 11 by the direction of arrow 38, until figure 6 illustrates, the end position that starts the axis of element 20 on rotor spindle 11. It is important in this that, start epoxy resin material 30 on element 20 in passing and squeeze in the radius clearance 37 started between element 20 and rotor spindle 11 and especially also fill accommodation groove 25. When axially passing starting element 20, epoxy resin material 30 is squeezed like this on the direction towards rotor body 12 in addition, namely on the end position of the axis of the starting element 20 shown in Fig. 6 rotor body 12 and starting formed between element 20 radial loop around projection 40, it hides the end face 41 starting element 20 completely and is enclosed in the gap of the axis between the epoxy resin material 30 on the end face 33 starting element 20. Protruding 40 thus form the axial stop for starting element 30.
Or passing period on starting element 20 to rotor spindle 11, or reached its end position of the axis on rotor spindle 11 at starting element 20 after, 4th process steps 43 is processed the corresponding region of at least rotor spindle 11 by thermal treatment, Irradiation or best inducedmagnetic field, implementing the hardening of epoxy resin material 30 like this, namely epoxy resin material 30 hardens and starts element 20 and be fixed on rotor spindle 11.
So far the rotor 10 described till can be retrofited with method or amendment in many ways, and does not deviate the thought of the present invention.
Claims (15)
1. for the rotor (10) of electric motor (1), it has rotor spindle (11), there is the rotor body (12) being fixed on rotor spindle (11), and there is axial starting element (20), start element is connected on the end face of rotor body (12) under the spacing of an axis of the longitudinal center line (14) relative to rotor spindle (11), and it is designed to rotor spindle (11) is positioned at shell (2 at least indirectly axially, 3), wherein, start element (20) to be permanently connected with rotor spindle (11)
It is characterized in that,
Arranging epoxy resin material (30) between rotor body (12) and starting element (20) on rotor spindle (11), the end face (41) starting element (20) abuts on this epoxy resin material at least in subregional.
2. rotor according to claim 1,
It is characterized in that,
A running fit is formed between the interior hole (21) starting element (20) and the outside diameter (d) of rotor spindle (11), and the radius clearance (37) that on the end position of the axis of starting element (20) on rotor spindle (11), epoxy resin material (30) is filled between the interior hole (21) of starting element (20) and the outside diameter (d) of rotor spindle (11) at least in subregional.
3. rotor according to claim 1 and 2,
It is characterized in that, the end position of the axis of the starting element (20) of epoxy resin material (30) on rotor spindle (11) is formed radial loop around projection (40) as the axial stop for starting element (20), especially protruding (40) extend in the whole axial spacing started between element (20) and rotor body (12), and thus projection (40) abuts on rotor body (12) at least indirectly.
4. rotor according to any one of claim 1 to 3,
It is characterized in that,
Start element (20) to be made of plastics.
5. rotor according to any one of claim 1 to 4,
It is characterized in that,
Start element (20) and at least there is in the region in the Shang Nei hole, side (21) of rotor body (12) at least one accommodation groove (25) for epoxy resin material (30).
6. rotor according to claim 5,
It is characterized in that,
Hold groove (25) to construct with the form in the space (24) of part ring groove shape.
7. rotor according to claim 5 or 6,
It is characterized in that,
Multiple accommodation groove (25) arranged under uniform angular interval each other is set.
8. rotor according to any one of claim 5 to 7,
It is characterized in that,
Start element (20) and there is at each end face (22,23) place at least one accommodation groove (25).
9. rotor according to any one of claim 1 to 8,
It is characterized in that,
Epoxy resin material (30) be arranged in rotor body (12) in the face of to start the end face (33) of element (20) upper and on part region (t) of the axial length of rotor spindle (11) on the side in the face of starting element (20), and epoxy resin material (30) maximally extends to the end face deviated from rotor body (12) starting element (20) on rotor spindle (11) on the end position of axis starting element (20), but is preferably less than this extension distance.
10. for the manufacture of the method for rotor according to any one of claim 1 to 9 (10), wherein the rotor spindle (11) of rotor body (12) is fixed with axial starting element (20) having, it is installed to by pushing away on the shaft end (18) of rotor spindle (11) and on a kind of end position moving to an axis
It is characterized in that,
At least it is applied on a part region of rotor spindle (11) a process steps (32) epoxy resin material (30), then starting element (20) when epoxy resin material (30) also do not hardened is moved on its end position of axis, until the end face (41) starting element (20) leans on epoxy resin material (30), and last epoxy resin material (30) hardening on the end position of axis starting element (20).
11. methods according to claim 10,
It is characterized in that,
Epoxy resin material (30) by start element (20) exclusion formed a radial loop around projection (40).
12. according to claim 10 to the method described in 11,
It is characterized in that,
By start element (20) move on rotor spindle (11) it axis end position on period a part epoxy resin material (30) enter start element (20) and rotor spindle (11) between radius clearance (37) neutralize this radius clearance is filled at least in subregional.
13. according to claim 10 to the method described in 12,
It is characterized in that,
Epoxy resin material (30) is applied on the end face (33) starting element (20) and in part region (t) of rotor spindle (11) of rotor body (12), wherein, this part region (t) extends to the half of the axial length starting element (20) on rotor spindle (11) on the end position of its axis from rotor body.
14. according to claim 10 to the method according to any one of 13,
It is characterized in that,
Epoxy resin material (30) is made up of pulverous material to be applied on rotor (10), it is applied on rotor (10) preferably by electrostatic powder coating method, and processes in order to rotor (10) is carried out heat, ray or inducedmagnetic field by hardening epoxy resin material (30).
15. according to method in any one of the preceding claims wherein, it is characterized in that, start element (20) axially is supported on bearing (16) on its end position, it is arranged in shell (2,3) in, wherein, start element (20) especially in rotating rotor (10) lower support on bearing (16).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013215048.2A DE102013215048A1 (en) | 2013-07-31 | 2013-07-31 | Rotor for an electric motor and method of manufacturing the rotor |
| DE102013215048.2 | 2013-07-31 | ||
| PCT/EP2014/065882 WO2015014700A2 (en) | 2013-07-31 | 2014-07-24 | Rotor for an electric motor and method for producing the rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105659473A true CN105659473A (en) | 2016-06-08 |
Family
ID=51228429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480043154.7A Pending CN105659473A (en) | 2013-07-31 | 2014-07-24 | Rotor for an electric motor and method for producing the rotor |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3028371A2 (en) |
| KR (1) | KR20160037924A (en) |
| CN (1) | CN105659473A (en) |
| DE (1) | DE102013215048A1 (en) |
| WO (1) | WO2015014700A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11512702B2 (en) | 2019-07-10 | 2022-11-29 | Grundfos Holding A/S | Method for manufacturing a can |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017204560A1 (en) * | 2017-03-20 | 2018-09-20 | Robert Bosch Gmbh | Method for making the connection between a plastic magnetic carrier and a shaft |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4905531A (en) * | 1988-02-11 | 1990-03-06 | Robert Bosch Gmbh | Adjusting drive |
| US20010009339A1 (en) * | 1997-02-21 | 2001-07-26 | Martin Wiesler | Rotor and method for adjusting a rotor |
| US20060152094A1 (en) * | 2003-09-19 | 2006-07-13 | Kabushiki Kaisha Yaskawa Denki | Rotor for micro-servomotor, and micro-servomotor equipped with said rotor |
| CN102072168A (en) * | 2009-11-19 | 2011-05-25 | 现代自动车株式会社 | Electric water pump |
| CN201994757U (en) * | 2011-04-26 | 2011-09-28 | 上海润驰电气有限公司 | Direct current motor for solar water pump system |
| CN103138438A (en) * | 2011-11-29 | 2013-06-05 | 三星电机株式会社 | Switched reluctance motor |
| CN203014621U (en) * | 2012-11-21 | 2013-06-19 | 中国船舶重工集团公司第七0七研究所 | Double stator through hole bearing permanent magnet gyro motor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1438960A (en) * | 1972-11-23 | 1976-06-09 | Lucas Electrical Ltd | Method of manufacturing a rotor assembly for a dynamo electric machine optical transmission systems |
| US6781267B2 (en) * | 2001-06-14 | 2004-08-24 | Black & Decker Inc. | Motor for a power tool |
| DE102008001445A1 (en) * | 2008-04-29 | 2009-11-05 | Robert Bosch Gmbh | Electrical drive unit i.e. spindle motor, for external force actuated adjustment of elements of motor vehicle, has damping body provided to generate locking moment against rotary movement that is acted on shaft |
-
2013
- 2013-07-31 DE DE102013215048.2A patent/DE102013215048A1/en active Pending
-
2014
- 2014-07-24 KR KR1020167002647A patent/KR20160037924A/en not_active Application Discontinuation
- 2014-07-24 EP EP14744307.1A patent/EP3028371A2/en not_active Withdrawn
- 2014-07-24 CN CN201480043154.7A patent/CN105659473A/en active Pending
- 2014-07-24 WO PCT/EP2014/065882 patent/WO2015014700A2/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4905531A (en) * | 1988-02-11 | 1990-03-06 | Robert Bosch Gmbh | Adjusting drive |
| US20010009339A1 (en) * | 1997-02-21 | 2001-07-26 | Martin Wiesler | Rotor and method for adjusting a rotor |
| US20060152094A1 (en) * | 2003-09-19 | 2006-07-13 | Kabushiki Kaisha Yaskawa Denki | Rotor for micro-servomotor, and micro-servomotor equipped with said rotor |
| CN102072168A (en) * | 2009-11-19 | 2011-05-25 | 现代自动车株式会社 | Electric water pump |
| CN201994757U (en) * | 2011-04-26 | 2011-09-28 | 上海润驰电气有限公司 | Direct current motor for solar water pump system |
| CN103138438A (en) * | 2011-11-29 | 2013-06-05 | 三星电机株式会社 | Switched reluctance motor |
| CN203014621U (en) * | 2012-11-21 | 2013-06-19 | 中国船舶重工集团公司第七0七研究所 | Double stator through hole bearing permanent magnet gyro motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11512702B2 (en) | 2019-07-10 | 2022-11-29 | Grundfos Holding A/S | Method for manufacturing a can |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3028371A2 (en) | 2016-06-08 |
| WO2015014700A3 (en) | 2015-10-15 |
| WO2015014700A2 (en) | 2015-02-05 |
| KR20160037924A (en) | 2016-04-06 |
| DE102013215048A1 (en) | 2015-02-05 |
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