CN104137398A - Electrical motor assembly - Google Patents
Electrical motor assembly Download PDFInfo
- Publication number
- CN104137398A CN104137398A CN201280054877.8A CN201280054877A CN104137398A CN 104137398 A CN104137398 A CN 104137398A CN 201280054877 A CN201280054877 A CN 201280054877A CN 104137398 A CN104137398 A CN 104137398A
- Authority
- CN
- China
- Prior art keywords
- section
- utmost point
- internal diameter
- point pipe
- motor assembly
- 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.)
- Granted
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
- H02K1/12—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
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centering rotors within the stator; Balancing rotors
-
- 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
-
- 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
- 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
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Dc Machiner (AREA)
- Manufacture Of Motors, Generators (AREA)
- Motor Or Generator Frames (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention relates to an electrical motor assembly (7), in particular for an adjustment motor for use in motor vehicle technology, having a pole pipe (8), wherein the pole pipe (8) comprises a first section (9) having a first inner diameter (12), a second section (10) having a second inner diameter (13) and a third section (11) arranged between the first section (9) and the second section (10) having a third inner diameter (14), and a ring magnet (15), the outer circumference of which contacts the inner circumference of the third section (11), wherein the third inner diameter (14) is smaller than the first inner diameter (12) and is smaller than the second inner diameter (13).
Description
Technical field
The present invention relates to a kind of electric motor assembly, especially for the adjusting motor adopting in automotive engineering; A kind of motor with electric motor assembly; A kind of and method for the manufacture of electric motor assembly.
Background technology
Fig. 1 illustrates according to the pole shoe of DE 10 2,009 027 370 A1.Pole shoe comprises utmost point pipe 1 and toroidal magnet 2.The shell face of utmost point pipe 1 is formed by steel plate punched and the rolled-up utmost point pipe 1 that forms subsequently at first.One of by utmost point pipe 1 two of toroidal magnet 2 are distolateral is pressed in utmost point pipe 1.The internal diameter 3 of utmost point pipe 1 is constant in the whole length of utmost point pipe 1.Angle (Grad) when punching press shell face arranges like this, and this angle is pointed to outside and therefore can not hindered and inserts toroidal magnet 2.
Summary of the invention
According to of the present invention, there is described in claim 1 electric motor assembly of feature and can realize and manufacture inexpensive motor.This is particularly by materials'use amount still less, the material being more suitable for, manufacturing step still less and realize with more inexpensive instrument.In addition the present invention is in design with form motor, particularly have the larger degree of freedom during utmost point pipe.Utmost point pipe according to design of the present invention, can when low instrument expends, realize the design of very various magnet external diameter.Can reduce required magnet external diameter in very simple mode, thereby reduce the Master Cost for magnet.Adjustment for diameter on the utmost point pipe of toroidal magnet does not affect for the diameter on the distolateral end of utmost point pipe, thereby can adopt identical bearing cap and/or brush head in the situation that of different toroidal magnet external diameter.All these advantages are by a kind of electric motor assembly, and realize, this electric motor assembly has utmost point pipe and toroidal magnet---especially for the adjusting motor adopting in automotive engineering---.At this, utmost point pipe comprises: the First section with the first internal diameter; Second section with the second internal diameter; And be arranged in the 3rd section between First section and second section, that there is the 3rd internal diameter.Internal diameter represents respectively the inside clear span of each section at this.The periphery of toroidal magnet abutted on the interior week of the 3rd section.Correspondingly, the external diameter of toroidal magnet equals the 3rd internal diameter on utmost point pipe.At this, internal diameter is selected like this: the 3rd internal diameter is less than the first internal diameter and is less than the second internal diameter.Therefore, utmost point pipe is designed in centre, attenuate and broaden towards two ends.On two ends of utmost point pipe, can arrange other parts, the particularly bearing cap of motor.Owing to the 3rd section in the middle of being positioned at, that have the 3rd internal diameter being matched with uniquely to the various outer diameter of toroidal magnet, can make two internal diameters that are positioned in outside portion's section keep constant.When toroidal magnet size variation, do not need also to change thus other parts, for example bearing cap and/or brush head simultaneously.
Dependent claims has provided preferred improvement project of the present invention.
Be designed in a preferred embodiment, First section is directly adjacent to the 3rd section, and second section is directly adjacent to the 3rd section.Therefore First section transits directly in the 3rd section.The 3rd section transits directly to again in second section.
In addition be preferably designed to, whole utmost point pipe one forms.In addition advantageously, utmost point pipe is formed by shell face one, that roll.Traditional utmost point tube portion ground is manufactured by deep-draw process.Yet utilize this traditional process not form to have two of larger internal diameter to be positioned at outside portion's section.Utilize deep-draw process only can realize larger diameter in a side.Therefore under present case utmost point pipe particularly by rolling the shell face of punching manufacture.
In addition be preferably designed to, the 3rd section is at least the same with toroidal magnet wide.Guarantee that thus toroidal magnet abuts on utmost point pipe with its complete periphery.
In addition be preferably designed to, First section has the first constant internal diameter consistently, and/or second section have the second constant internal diameter consistently, and/or the 3rd section has the 3rd constant internal diameter consistently.By this design, guaranteed, can manufacture simply utmost point pipe and not have step can hinder toroidal magnet to push or be pressed in utmost point pipe.Can in utmost point pipe according to the present invention, toroidal magnet be pushed from both sides especially.
Be designed to especially, utmost point pipe is on the one end with the first internal diameter and have on the other end of the second internal diameter and stop.Also directly on the end of utmost point pipe, therefore there is no other step, and the First section with the first internal diameter is extended until the first distolateral end of utmost point pipe, and second section with the second internal diameter extended until another distolateral end of utmost point pipe.
In addition preferably, lid or bearing cap are placed on utmost point pipe distolateral.Especially, lid and/or bearing cap are placed on utmost point pipe both sides distolateral.The present invention realizes very large flexibility at this, this be because the utmost point pipe rolled in both sides, be open wide and therefore in both sides, can place particularly by inexpensive the most different lid or the bearing cap made from light plastics.According in the housing of the deep-draw of prior art, this is impossible, because the restriction of being manufactured at this presets distolateral bottom by utmost point pipe (Poltopf) all the time in deep-draw process.Particularly adopt vinyl cover and/or plastic bearing lid can cause that motor weight alleviates and improve the flexibility of motor designs.
In addition preferably, be pressed into and/or paste the toroidal magnet of thin-walled form.
In addition advantageously, the wall thickness of toroidal magnet is less than the wall thickness of utmost point pipe.This shows again, and the wall of toroidal magnet designs very thinly, and therefore device according to the present invention has very large flexibility and provided the cramped construction of motor at design aspect.
In addition the present invention relates to a kind of motor of the adjusting motor that is designed to adopt in automotive engineering, comprise at least one aforesaid electric motor assembly.This motor is particularly as the seat that regulates motor for motor vehicle.According to the scope of electric motor assembly of the present invention, described favourable design is corresponding to be advantageously used according to motor of the present invention.
In addition the present invention includes a kind of method for the manufacture of electric motor assembly or motor, the method comprises the following steps:
(i) the shell face of utmost point pipe is provided,
(ii) by rolling shell face, form utmost point pipe, and
(iii) toroidal magnet is inserted in utmost point pipe, thereby the periphery of toroidal magnet abutted on interior week of the 3rd section of utmost point pipe.
At electric motor assembly according to the present invention with according to the scope of motor of the present invention, described favourable design is correspondingly advantageously applied to the method according to this invention.
As preferred manufacture method, shell face, the utmost point pipe of namely also not rolling are made by punching press.Utmost point pipe is particularly formed by steel plate punched.In particularly preferred embodiments, pressing direction is set like this, the burr forming when punching press is only produced on utmost point pipe outside.With contrary according to the housing of the deep-draw of prior art, can before forming utmost point pipe, carry out each deep-draw process in the method according to the invention.Also deep-draw direction can be set arbitrarily thus, thereby the burr that does not have generation when the toroidal magnet of thin-walled form is installed causes interference.Alternatively, in some execution mode of motor, also may be necessary that, make burr lateral deflection inner side.Designer has also drawn this creationary degree of freedom in the method according to the invention.
In another favourable design of the method according to this invention, shell is looked like this and is rolled, and utmost point tube edges connects ground, that is to say in the nonoverlapping situation of shell face and form.The elongation of the shell face of punching press also just just equals the girth of utmost point pipe to be formed along a direction, so utmost point pipe can connect and form at the nonoverlapping situation lower limb of shell face.Make thus the interior week of unified utmost point pipe that materials'use is minimum and generation is coherent.Preferably, around inner spindle, roll shell face, wherein, this shell face is deformed into or is rolled into a cylinder body in a plurality of steps by flector.At this, shell face abuts in inner spindle in the 3rd section (11), and in second section (10), has also retained the little gap between shell face and inner spindle, therefore after rolling shell face completely, can axially from utmost point pipe, remove inner spindle.
Preferably, inner spindle has the projection of spherical or dome-shaped at one end.In this projection, can during rolling shell face, to bearing cap, center.After centering, can make shell face completely around inner spindle, seal and bearing cap is fixed on the utmost point pipe of now spooling---utilize especially crimping method.
In other favourable design, be designed to, in two shell face sides that form joint, punching is for the complementary bite of the sealed connection of shape both sides.By the bite of this complementation, particularly utilize mazy structure can be by the sealed joint of guaranteeing rolled shell face of shape.Alternatively or additionally, be also advantageously provided bonding and/or melting welding and/or the soldering of joint.
In other preferred design, before rolling, by least one distolateral Connection Element of shell face punching, it for example can be connected with bearing cap in locking manner for shape---particularly with respect to its crimping.Preferably in utmost point pipe both sides, this Connection Element is set.By this Connection Element of punching before rolling, can freely select pressing direction also and then the orientation of selection burr.
Accompanying drawing explanation
Below with reference to accompanying drawing, describe embodiments of the invention in detail.Shown in figure:
Fig. 1 shows the pole shoe with toroidal magnet according to prior art, and
Fig. 2 show according to an embodiment according to electric motor assembly of the present invention.
Embodiment
According to Fig. 2, illustrate in greater detail one embodiment of the present of invention below.Fig. 2 illustrates the electric motor assembly 7 with utmost point pipe 8 and toroidal magnet 15.The utmost point pipe 8 of integral type is divided into three portion's sections, be First section 9, second section 10 and the 3rd section 11.The 3rd section 11 is arranged between First section 9 and second section 10 at this.First section 9 has the first internal diameter 12.Second section 10 has the second internal diameter 13.The 3rd section 11 has the 3rd internal diameter 14.The 3rd internal diameter 14 is less than the first internal diameter 12 and is less than the second internal diameter 13 at this.
Especially, the 3rd internal diameter 14 to the first internal diameters 12 and/or the second internal diameter 13 is little by least 1%, particularly at least 2%, particularly at least 5%.
Toroidal magnet 15 has unified external diameter 16.The external diameter 16 of toroidal magnet 15 is substantially equal to the 3rd internal diameter 14.Toroidal magnet 15 is arranged in utmost point pipe 8 in the following manner, and its outer surface is abutted on the inner surface of the 3rd section 11.Toroidal magnet 15 has the first width 19.This first width 19 is less than the second width 20 of the 3rd section 11.Thus, the complete outer surface of toroidal magnet 15 abuts on the inner surface of the 3rd section 11 of utmost point pipe 8.
In lid 17, particularly bearing cap being installed to utmost point pipe 8 on the distolateral end of utmost point pipe 8 and center on utmost point pipe 8.Lid 17 partly abuts on utmost point pipe 8 and partly abuts on the inner side of utmost point pipe 8 distolateral.
In addition, utmost point pipe 8 at one end has Connection Element 18 in side.This Connection Element 18 and utmost point pipe 8 integral types are integrated, thereby this Connection Element exists in the punching course of utmost point pipe 8 shell faces.
By design according to the present invention, realized flexibility much bigger when designing electric motor assembly 7, because can place lid and/or the bearing cap forming uniquely on the both sides of utmost point pipe 8.At this particularly, vinyl cover and/or plastic bearing lid are installed on both sides, this makes the weight saving of whole motor.The moulding of this lid and bearing cap is not subject to disadvantageous deep-draw process influence, but can freely carry out.Because the internal diameter (the 3rd internal diameter 14) of the 3rd section 11 is less than the remainder of utmost point pipe 8, therefore can in the situation that lid 17 remains unchanged, the 3rd internal diameter 14 be matched with toroidal magnet 15 difference size---wherein particularly the internal diameter of toroidal magnet remains unchanged.
Claims (11)
1. electric motor assembly (7), especially for the adjusting motor adopting in automotive engineering, described electric motor assembly has:
-utmost point pipe (8), wherein, described utmost point pipe (8) comprising: the First section (9) with the first internal diameter (12); Second section (10) with the second internal diameter (13); And be arranged in the 3rd section (11) between described First section (9) and described second section (10), that there is the 3rd internal diameter (14),
-toroidal magnet (15), the periphery of described toroidal magnet abutted on the interior week of described the 3rd section (11),
-wherein, described the 3rd internal diameter (14) is less than described the first internal diameter (12) and is less than described the second internal diameter (13).
2. electric motor assembly according to claim 1, is characterized in that, described First section (9) is directly adjacent to described the 3rd section (11), and described second section (10) is directly adjacent to described the 3rd section (11).
3. according to electric motor assembly in any one of the preceding claims wherein, it is characterized in that, whole utmost point pipe (8) one forms.
4. according to electric motor assembly in any one of the preceding claims wherein, it is characterized in that, whole utmost point pipe (8) is formed by shell face one, that roll.
5. according to electric motor assembly in any one of the preceding claims wherein, it is characterized in that, described the 3rd section (11) is at least equally wide with described toroidal magnet (15).
6. according to electric motor assembly in any one of the preceding claims wherein, it is characterized in that, described First section (9) has constant the first internal diameter (12) consistently, and/or described second section (10) have constant the second internal diameter (13) consistently, and/or described the 3rd section (11) has the 3rd constant internal diameter (14) consistently.
7. according to electric motor assembly in any one of the preceding claims wherein, it is characterized in that, described utmost point pipe (8) is on the one end with described the first internal diameter (12) and have on the other end of described the second internal diameter (13) and stop.
8. according to electric motor assembly in any one of the preceding claims wherein, it is characterized in that bearing cap and/or the brush head in described First section (9), installing and center, and/or another bearing cap (17) of installing in described second section (10) and centering.
9. the motor that is designed to the adjusting motor that adopts in automotive engineering, comprises according to electric motor assembly in any one of the preceding claims wherein (7).
10. for the manufacture of according to the method for electric motor assembly in any one of the preceding claims wherein (7) or motor, said method comprising the steps of:
-the shell face of utmost point pipe (8) is provided,
-by roll described shell face around inner spindle, form described utmost point pipe (8), therefore described utmost point pipe (8) comprising: the First section (9) with the first internal diameter (12); Second section (10) with the second internal diameter (13); And be arranged in the 3rd section (11) between described First section (9) and described second section (10), that there is the 3rd internal diameter (14), wherein, described the 3rd internal diameter (14) is less than described the first internal diameter (12) and is less than described the second internal diameter (13), and
-before rolling described shell face completely, in described inner spindle, bearing cap (17) is centered,
-by described bearing cap (17) be fixed on second section (10) of described utmost point pipe (8) upper-especially by the material deformation of described utmost point pipe (8),
-after second section (10) that described bearing cap (17) is fixed on to described utmost point pipe (8) is upper, remove described inner spindle.
11. methods according to claim 10, it is characterized in that, remove described inner spindle from described utmost point pipe (8) after, toroidal magnet (15) is inserted in described utmost point pipe (8), thereby the periphery of described toroidal magnet (15) abuts in the interior week of the 3rd section (11) of described utmost point pipe (8) and goes up, and rotor is inserted in described utmost point pipe (8) subsequently.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201110085985 DE102011085985A1 (en) | 2011-11-09 | 2011-11-09 | Electric motor assembly |
| DE102011085985.3 | 2011-11-09 | ||
| PCT/EP2012/067604 WO2013068153A2 (en) | 2011-11-09 | 2012-09-10 | Electrical motor assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104137398A true CN104137398A (en) | 2014-11-05 |
| CN104137398B CN104137398B (en) | 2017-11-07 |
Family
ID=46832390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280054877.8A Expired - Fee Related CN104137398B (en) | 2011-11-09 | 2012-09-10 | Manufacture method, electric motor assembly and the motor of electric motor assembly or motor |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104137398B (en) |
| DE (1) | DE102011085985A1 (en) |
| WO (1) | WO2013068153A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410993A (en) * | 2015-04-27 | 2017-02-15 | 罗伯特·博世有限公司 | Electric motor assembly and method for manufacturing an electric motor assembly |
| CN111211633A (en) * | 2016-05-04 | 2020-05-29 | 博泽沃尔兹堡汽车零部件有限公司 | Method for producing a pole housing |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018200067A1 (en) * | 2018-01-04 | 2019-07-04 | Robert Bosch Gmbh | Pole housing of an electrical machine |
| DE102019200033A1 (en) | 2019-01-04 | 2020-07-09 | Robert Bosch Gmbh | Pole housing of an electric motor |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4309815A (en) * | 1978-03-09 | 1982-01-12 | Robert Bosch Gmbh | Method of manufacturing a housing for a small electrical machine |
| CN1592037A (en) * | 2003-09-05 | 2005-03-09 | 罗伯特-博希股份公司 | Electric machine with permanent magnet poles |
| CN1618159A (en) * | 2000-07-05 | 2005-05-18 | 布莱克-德克尔公司 | Flux ring for an electric motor |
| US20050200227A1 (en) * | 2004-03-11 | 2005-09-15 | Katsuhiro Fujishima | Method for manufacturing motor yoke, motor yoke, and motor |
| DE102004046047A1 (en) * | 2004-09-21 | 2006-04-06 | Willy Voit Gmbh & Co. Kg Stanz- Und Metallwerk | Housing manufacturing method for e.g. generator, involves connecting sheet metal plates to double sheet metal plate, where plates are connected with each other in even condition by handles and altering plate to manufacture housing |
| DE102004051459A1 (en) * | 2004-10-22 | 2006-04-27 | Robert Bosch Gmbh | Pole pipe for an electrical machine has machinable inner surfaces as well as at least one bearing seat within range of both the front faces whereby the bearing seat has smaller roughness depth than inner surfaces |
| CN1841882A (en) * | 2005-03-30 | 2006-10-04 | 株式会社电装 | Magnet yoke for rotary motor and method for manufacturing same |
| CN101213726A (en) * | 2005-06-29 | 2008-07-02 | 罗伯特·博世有限公司 | Electric motor and gearing/drive unit for actuators in a motor vehicle |
| CN101621226A (en) * | 2008-07-04 | 2010-01-06 | 日本电产三协株式会社 | Motor and pump device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009027370A1 (en) | 2009-07-01 | 2011-01-05 | Robert Bosch Gmbh | Method for producing an electric motor |
-
2011
- 2011-11-09 DE DE201110085985 patent/DE102011085985A1/en not_active Withdrawn
-
2012
- 2012-09-10 CN CN201280054877.8A patent/CN104137398B/en not_active Expired - Fee Related
- 2012-09-10 WO PCT/EP2012/067604 patent/WO2013068153A2/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4309815A (en) * | 1978-03-09 | 1982-01-12 | Robert Bosch Gmbh | Method of manufacturing a housing for a small electrical machine |
| CN1618159A (en) * | 2000-07-05 | 2005-05-18 | 布莱克-德克尔公司 | Flux ring for an electric motor |
| CN1592037A (en) * | 2003-09-05 | 2005-03-09 | 罗伯特-博希股份公司 | Electric machine with permanent magnet poles |
| US20050200227A1 (en) * | 2004-03-11 | 2005-09-15 | Katsuhiro Fujishima | Method for manufacturing motor yoke, motor yoke, and motor |
| DE102004046047A1 (en) * | 2004-09-21 | 2006-04-06 | Willy Voit Gmbh & Co. Kg Stanz- Und Metallwerk | Housing manufacturing method for e.g. generator, involves connecting sheet metal plates to double sheet metal plate, where plates are connected with each other in even condition by handles and altering plate to manufacture housing |
| DE102004051459A1 (en) * | 2004-10-22 | 2006-04-27 | Robert Bosch Gmbh | Pole pipe for an electrical machine has machinable inner surfaces as well as at least one bearing seat within range of both the front faces whereby the bearing seat has smaller roughness depth than inner surfaces |
| CN1841882A (en) * | 2005-03-30 | 2006-10-04 | 株式会社电装 | Magnet yoke for rotary motor and method for manufacturing same |
| CN101213726A (en) * | 2005-06-29 | 2008-07-02 | 罗伯特·博世有限公司 | Electric motor and gearing/drive unit for actuators in a motor vehicle |
| CN101621226A (en) * | 2008-07-04 | 2010-01-06 | 日本电产三协株式会社 | Motor and pump device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410993A (en) * | 2015-04-27 | 2017-02-15 | 罗伯特·博世有限公司 | Electric motor assembly and method for manufacturing an electric motor assembly |
| CN111211633A (en) * | 2016-05-04 | 2020-05-29 | 博泽沃尔兹堡汽车零部件有限公司 | Method for producing a pole housing |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013068153A2 (en) | 2013-05-16 |
| WO2013068153A3 (en) | 2014-07-03 |
| CN104137398B (en) | 2017-11-07 |
| DE102011085985A1 (en) | 2013-05-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171107 Termination date: 20200910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |