CN104283341A - A motor for motor type adjustment of a movable part in a motor vehicle and a motor manufacture method - Google Patents
A motor for motor type adjustment of a movable part in a motor vehicle and a motor manufacture method Download PDFInfo
- Publication number
- CN104283341A CN104283341A CN201410541427.2A CN201410541427A CN104283341A CN 104283341 A CN104283341 A CN 104283341A CN 201410541427 A CN201410541427 A CN 201410541427A CN 104283341 A CN104283341 A CN 104283341A
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- China
- Prior art keywords
- holding element
- motor
- permanent magnet
- perisporium
- radially
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention relates to a motor (10) and a method for manufacturing the motor. The motor is especially used for adjusting a movable part in a motor vehicle in a motor manner. The motor comprises a stator (12) comprising a pole shoe (14) with a cylindrical peripheral wall (16), and a permanet magnet (18) is fixed on the peripheral wall and interacts with a rotor. A holding member (20) extending inward radially is formed integrally with the peripheral wall (16) on the inner side (17) thereof. THe holding member is provided with a stop (22, 77) for the permanet magnet (18).
Description
Technical field
The present invention relates to a kind of a kind of method of motor and motor for the manufacture of type according to independent claims.
Background technology
By US 8,307,533 disclose a kind of motor, and wherein pole shoe has the sidewall of two opposed circular arcs and has two smooth sidewalls in-between.The sidewall of described circular arc is furnished with two permanent magnets opposedly, wherein on described smooth sidewall, is respectively furnished with an arc spring, the inner side of permanent magnet towards pole tank skin extrudes by this arc spring.In this embodiment, need two spring elements to fix these two magnets, which increase the total number of installed parts and its to install cost relatively large.In flat pole shoe, smooth sidewall forms the abutment face of shelly magnet, makes magnet locate relative to circumferential direction thus.When using annular pole shoe, the fixation principle of two arc springs is utilized no longer to work, because eliminate the smooth sidewall of the anti-torsion structure as abutment face and magnet.
Summary of the invention
Therefore, have independent claims feature, according to motor of the present invention and the method for the manufacture of this machine according to the present invention, there is following advantage: by constructing the radial retaining element holding element in other words aimed at, permanent magnet has fixing backstop, and this backstop is reliably fixing to prevent at pole shoe intort by permanent magnet.When using the pole shoe cross section of annular, the whole periphery of stator can better for constructing magnetic field.Be resisted against on retaining element by making permanent magnet, can save for fixed magnets, additional spring element, thus such as in order to fix this two magnets, compared with prior art only need a magnet keep-spring, thus reduce the number of component and simplify the installation of permanent magnet.Be shaped by retaining element and pole shoe wall single-piece, described retaining element is shaped in the punching press bending process of pole shoe manufacture, this saves the installation of independent retaining element.
Favourable expansion and the improvement of feature illustrated is in the independent claim realized by measure implemented in the dependent claims.Particularly advantageously, by the hole not cutting out break-through during pole shoe wall shaping retaining element in this pole shoe wall.Thus, pole shoe keeps seal closure, stops the infiltration of dirt particle and moisture thus and reduce noise to produce.By saving turnery processing or punching press also can not cause metal fragment to enter in boots inside, wherein said metal fragment can hinder the rotation in boots inside of magnetic loop, electric insulation or rotor.
Particularly advantageously, retaining element is shaped by the plastic material deformation of pole shoe wall.The latter preferably forms by through coating, such as zinc-plated steel, and described steel can carry out plastic deformation according to flowing process for stamping very simply.By by die, especially utilize the former punching press retaining element on opposed plate side the radial embolism limited can be shaped as retaining element, and do not tear pole shoe wall or do not cut out or stamp out material.
In order to realize, retaining element is radial fully to be extended, and this retaining element is advantageously configured to embolism, described embolism preferred boring ground structure.Thus, the material of pole shoe wall can advantageously radially-inwardly deformation obtain dark especially, to form the reliable backstop being used for magnet.Retaining element constructs with radially seeing circular, but also can have oval or microscler cross section.By the cavity produced by the die that is pressed into from outside, described embolism can sleeve-shaped or tubulose ground structure, but then closes on the side of inner radial.
In order to provide enough material for constructing the retaining element extended radially inwardly, on the outside of pole shoe wall, be configured with more large-area recess in the region of retaining element, the radial depth of this recess is less than the wall thickness of boots wall.The material of described recess is radially-inwardly shaped.Have the diameter less than the recess of outside by making radially inner embolism and especially described embolism constructs hollowly, described embolism obviously can extend internally darker than the wall thickness of boots wall.
Particularly advantageously, retaining element from medial surface internally outstanding about 2.0mm to 3.0mm, thus when there being the outside chamfered edge of shaping against permanent magnet also reliably fixed.Advantageously, centring element unlike against the radial thickness of permanent magnet extend radially inwardly darker, the inner chamber therefore for rotor is unaffected.
If retaining element respectively forms a stop about circumferential direction in both sides, (forever) magnet is respectively had to be tensioned by magnet keep-spring relative to this stop, then all the time a magnet keep-spring constructed separately is only needed for every two magnets, this reduce number of components and expense is installed.
Particularly advantageously, magnet keep-spring is configured to the arc spring with two opposed supporting legs, and described supporting leg circumferentially direction applies tension force between two magnets.Two magnets extrude towards the retaining element of the another side being resisted against magnet by this tension force in the opposite direction.Constructed by the shelly of magnet, described magnet is radially outward extruded towards the inner side of pole shoe wall at this and is reliably fixed thus.
At this advantageously, supporting leg has smooth outer surface, and supporting leg utilizes described outer surface to be circumferentially resisted against on the side of magnet in direction.Cross section such as rectangular area constructs, and wherein the long limit of rectangle is resisted against on magnet.
In order to make magnet keep-spring radially-inwardly not slide, supporting leg has the region of bending along perisporium, and it forms positive with magnet about radial direction and is connected.For this reason, magnet has chamfered edge at its outer longitudinal seamed edge place, thus the region of the bending of supporting leg can be fitted in free space.Circumferentially the free space of the chamfered edge that direction is opposed can advantageously occupy Radius structure, and this radius structure can be configured between centring element and boots inwall when plastic deformation.
Can be the two poles of the earth according to motor of the present invention, there is the position for retaining element just on a magnet keep-spring and a periphery.As an alternative, described motor also can be four poles, just has the position for retaining element on two magnet keep-springs and two peripheries.As an alternative, described motor also can be sextupole, just has the position for retaining element on three magnet keep-springs and three peripheries.As an alternative, described motor also can be the ends of the earth, just has the position for retaining element on four magnet keep-springs and four peripheries.At this, magnet keep-spring by the magnet be resisted against on supporting leg circumferentially direction away from each other towards being arranged in retaining element on the other side of magnet.On periphery, a position preferably arranges that two retaining elements are used for positioning magnet clearly in a longitudinal direction.
In order to additionally fixed magnets vertically, can also be shaped other centring elements, and magnet abuts on centring element with utilizing its end face axial.
Permanent magnet is preferably radially magnetized, and makes the radially inner side of magnet circumferentially alternately form South Pole in succession and the arctic in direction.The fixed form of magnet is not only suitable for ferromagnet but also is suitable for rare earth magnet, especially FeNdB magnet, and it is more responsive in mechanical aspects.The internal stress of the key in magnetic material is avoided by the abutment face of the restriction of retaining element and magnet keep-spring.
By the manufacture method of stator according to the present invention, to when cutting for the lamination of roll extrusion pole shoe, retaining element is being formed in pole shoe wall.Described retaining element especially can carry out punching press by impression tool simply at this, and at this without the need to forming reach through hole in pole shoe wall.By constructing the retaining element be shaped by the material integral type of pole shoe wall, the number of the retaining element of magnet keep-spring or the additional independent manufacture that will install can be reduced.
Had the retaining element of different die cross sections by two-stage punching press, particularly advantageously can be realized the radial extension of retaining element by the material of operational pole shoe wall, described radial extension is greater than the wall thickness of pole shoe wall.Realize plastic deformation according to flowing process for stamping, wherein material is advantageously pressed in diel by die, and this diel forms the profile of centering embolism on the inner side of pole shoe wall.
Accompanying drawing explanation
Embodiments of the present invention are illustrated in the accompanying drawings and are elaborated in follow-up explanation, wherein:
Fig. 1 shows the first embodiment of the stator according to motor of the present invention;
Fig. 2 shows the longitudinal profile according to Fig. 1 of the stator of another embodiment.
Embodiment
Figure 1 illustrates according to motor 10 of the present invention, it is configured to motor 11.Motor 11 is such as the part of gear/drive unit, as its glass for the sunroof in reconditioner motor-car, car door or seat component.Motor 10 has stator 12, and this stator is formed by the pole shoe 14 with circular cross section.Pole shoe 14 has the perisporium (Umfangswand) 16 of cylindricality, and described perisporium is fixed with permanent magnet 18.Permanent magnet 18 shelly ground constructs and is resisted against on the inner side 17 of perisporium 16 with its radial outside 19.Permanent magnet 18 such as can be configured to ferromagnet or rare earth magnet, especially NdFeB magnet.In this embodiment of the 4 pole motors 10 with four permanent magnets 18, pole shoe 14 is formed with holding element 20 retaining element in other words at two of perisporium 16 opposed positions 21 place, and permanent magnet 18 circumferentially direction 40 is resisted against on described holding element or retaining element.Holding element 20 is configured to the part of the entirety of perisporium 16, and its mode is that perisporium 16 is inwardly pressed into by from outer radial.At this, perisporium 16 forms closed sealing surface, and it does not have gap or penetrating part in the region 75 of holding element 20.Holding element 20 is configured to radial embolism 24 in this embodiment, and described embolism has cross section microscler in other words that is circular or ellipse.Due to the material deformation of plasticity, embolism 24 has the radius 26 towards inner side 17.Holding element 20 radially 41 size be greater than perisporium 16 wall thickness 30 but be less than permanent magnet 18 radial thickness 32 and in the scope of 1.5mm to 4.0mm.Circumferentially direction 40 is between the position 21 with holding element 20, between permanent magnet 18, arrange magnet keep-spring 34 respectively, and described magnet keep-spring makes permanent magnet 18 circumferentially extrude towards holding element 20 in direction 40.Spring force circumferentially direction 40 acts on, thus makes permanent magnet 18 by radially inwards 17 extruding.Because holding element 20 prevents permanent magnet 18 from reversing in pole shoe 14, permanent magnet 18 therefore radially and tangentially reliably fixed.In order to fix about axial direction 42, can be formed with additional holding element 20 alternatively, this additional holding element forms the backstop 77 of the axis being used for permanent magnet 18.
Two magnet keep-springs 34 are illustrated by two supporting leg 36 in section in FIG, and described supporting leg is approximate has rectangular cross section 37.In the case, the long limit 44 of the rectangular cross section 37 of one of them supporting leg 36 is resisted against on the side 46 of one of them permanent magnet 18, and the long limit 44 of another supporting leg 36 is resisted against on adjacent permanent magnet 18.Rectangular cross section 37 constructs bendingly at radial foreign section 47 place and is fitted in free space 52 at this, and this free space in axial direction 42 is formed by the seamed edge of chamfered edge 50 along the radially outer of permanent magnet 18.Therefore magnet keep-spring 34 radially 41 forms undercut portions with permanent magnet 18 and can not radially-inwardly slip out thus.Two supporting legs 36 are connected to each other by (arc) support (B ü gel) 38, the spring force that this support causes the circumferentially direction 40 of two supporting legs 36 to act on.Chamfered edge 50 that circumferentially direction 40 is opposed forms the free space 52 of the radius radius structure (Radius) 26 being in other words used for holding element 20.
Permanent magnet 18 radially 41 is magnetized, and this is illustrated by arrow N-S, the S-N in Fig. 1.Circumferentially direction 40, permanent magnet 18 alternately constructs north and south poles respectively on the inner surface 54 of its radial direction.Can see in FIG, permanent magnet 18 also on its side 56 radially 41 and circumferential direction 40 there is chamfered edge 58, described chamfered edge makes the installation of permanent magnet 18 become easy.Arrange bearing cap 60 at the axial end portion place of perisporium 16, in this bearing cap, unshowned rotor supports by armature spindle.
The vertical section of the stator 12 of another embodiment shown in Figure 2, wherein pole shoe 14 is formed by smooth lamination (Blechschnitt) 62, and described lamination is then rolled into the perisporium 16 of cylindricality.In the case, lamination 62 plate (Blechlaschen) 64 positive be fitted to each other.At axial end portion place, pole shoe 14 has axial protuberance 66, and described protuberance is used for rigid bearing lid 60 and/or brush retaining member.In first half figure, can see the cavity 70 of the inside being arranged in holding element 20 in section, described cavity radially outward opens wide.Holding element 20 constructs at this sleeve-shaped or tubulose, and wherein said holding element radially-inwardly closes, thus makes that perisporium 16 is complete in the region 75 of holding element 20 to be constructed hermetically enclosedly.On the outer surface 72 of perisporium 16, in the region 75 of holding element 20, be configured with groove (Sicke) 74 recess in other words, thus the cubic deformation of the material extruded is become to being radially directed towards interior holding element 20.Groove 74 covers the area larger than the cross-sectional area of holding element 20 at this.According to manufacturing method according to the invention, before lamination 62 is rolled into cylindricality pole shoe 14, holding element 20 carrys out punching press by impression tool (Stempelwerkzeug) 82.(this die 82 schematically shows in FIG.) at this, sheet material is extruded in former (Gegenform) by one or more die 82, and described former is arranged on the plate side opposed with die 82.Circumferentially direction 40 is at a position, and such as two holding elements 20 are arranged in front and back vertically, so that permanent magnet 18 utilizes its side 46 accurately to be calibrated about axial direction 42.
There is shown the deformation program of holding element 20 in Lower Half, wherein holding element 20 does not have cavity 70 in left side, but is formed by means of only the exterior groove 74 with corresponding larger volume.On right side, holding element 20 constructs by taper shape or funnel shaped recess 73 being pressed on outer surface 72.In addition, be formed with additional holding element 20 at this at one or two axial end portion place of perisporium 16, described additional holding element forms the backstop 77 of the axis being used for permanent magnet 18, to described permanent magnet axial location.Figure 2 illustrates two in four permanent magnets 18, wherein can see, the chamfered edge 50 that holding element 20 radially crosses longitudinal edge extends to the side 46 of permanent magnet 18.Permanent magnet 34 can see that wherein said supporting leg 36 in axial direction 42 is configured to different length with support 38 and two supporting legs 36 in side view.The section 47 of the bending of supporting leg 36 is fitted in free space 52 again at this after two adjacent permanent magnets 18, and described free space is formed by chamfered edge 50.
In the manufacture method of motor 10, holding element 20 particularly advantageously in the punching course of lamination 62 by plastic material deformation, be especially shaped through the moulding material deformation of the steel plate of coating.
Subsequently, lamination 62 shape becomes, is especially rolled into the perisporium 16 of cylindricality.Permanent magnet 18 to be inserted into vertically subsequently in pole shoe 14 and to be resisted against on holding element 20 before being embedded between permanent magnet 18 by magnet keep-spring 34, to make described permanent magnet towards holding element 20 circumferentially direction 40 tensioning.
It should be noted, in view of single feature being had to be combined into mutually the possibility of multiple combination with the embodiment shown in specification in the drawings.Therefore, the specific requirement that the design and manufaction process of the geometry of holding element 20, especially its cross section 37 and its radial extension 80 and groove 74 or magnet such as can be made to fix matches.Equally, the number of permanent magnet 18 and the number of holding element 20 and magnet keep-spring 34 thus change according to the number of poles of motor 10.
Motor 10 is preferred for the servo drive (Stellantribe) in motor vehicle, such as, for adjusting the cover plate of seat, glass for vehicle window, sunroof, car door (Klappe) and opening, but is not limited to such application.
Claims (15)
1. motor (10), be particularly useful for the movable member in motor manner reconditioner motor-car, there is stator (12), described stator has the pole shoe (14) of the perisporium (16) with cylindricality, described perisporium is fixed with for the interactive permanent magnet of rotor (18), it is characterized in that, with described perisporium (16) integratedly within it (17) are formed with the holding element (20) extended radially inwardly, described holding element forms the backstop (22,77) being used for described permanent magnet (18).
2. motor according to claim 1 (10), it is characterized in that, described perisporium (16) constructs closedly and do not have the reach through hole of radially (41) in the region (75) of holding element (20) formed thereby.
3. motor according to claim 1 and 2 (10), it is characterized in that, described holding element (20) utilizes impression tool (82) to construct by plastic material deformation, and wherein said perisporium (16) is especially manufactured by permeability magnetic material, preferably steel.
4. the motor (10) according to any one of the claims, it is characterized in that, described holding element (20) is configured to radial embolism (24), the cross section of described embolism is circular or ellipse, and especially described holding element (20) has cavity (70) therein, described cavity radially outward openly constructs.
5. the motor (10) according to any one of the claims, it is characterized in that, on the outer surface (19) of the radial direction of described perisporium (16), groove (74) is configured with in the region (75) of holding element (20) formed thereby, the area of described groove is greater than the cross-sectional area of described embolism (24), and the mid portion of especially described groove (74) is transitioned in the cavity (70) of described holding element (20).
6. the motor (10) according to any one of the claims, it is characterized in that, the extension (80) of described holding element (20) radially (41) be greater than from the inner surface (17) of described perisporium (16) described perisporium (16) wall thickness (30) and especially between 2.0mm to 3.0mm.
7. the motor (10) according to any one of the claims, it is characterized in that, described holding element (20) forms the backstop (22) being used for described permanent magnet (18) about circumferential direction (40), and on two sides of described holding element (20), abut against permanent magnet (18) about described circumferential direction (40) respectively, described permanent magnet utilizes at least one magnet keep-spring (34) to be extruded by towards described backstop (22), wherein especially additional holding element (20) is formed on described perisporium (16), described holding element forms the backstop (77) of the axis being used for described permanent magnet (18).
8. the motor (10) according to any one of the claims, it is characterized in that, described magnet keep-spring (34) U-shaped ground constructs and has two supporting legs (36), described supporting leg is flexibly resisted against on the permanent magnet (18) of circumferentially direction (40) placed adjacent respectively, and described permanent magnet (18) radially extrudes towards described perisporium (16) due to the spring force tangentially acted on towards described holding element (20) by described supporting leg (36).
9. the motor (10) according to any one of the claims, it is characterized in that, described supporting leg (36) has approximate rectangular cross section (37), described cross section especially on the section of radially outer (47) circumferentially direction (40) construct obliquely.
10. the motor (10) according to any one of the claims, it is characterized in that, described permanent magnet (18) shelly ground structure and at its seamed edge place facing radially towards perisporium (16) in axial direction (42) there is chamfered edge (50), described chamfered edge is radially fitted together to from behind by the section (47) of the inclination of described supporting leg (36), to prevent magnet keep-spring (34) from radially-inwardly skidding off.
11. motors (10) according to any one of the claims, it is characterized in that, described holding element (20) has radius structure (26) towards perisporium (16), described radius structure and described chamfered edge (50) are adjacent to arrange, described chamfered edge circumferentially direction (40) constructs opposedly.
12. motors (10) according to any one of the claims, it is characterized in that, described perisporium (16) upper layout two or four or six or eight permanent magnets (18), and circumferentially direction (40) are alternately arranged holding element (20) on the one hand and arrange magnet keep-spring (34) on the other hand between described permanent magnet (18), wherein preferably in axial direction (42) arrange two holding elements (20) vertically.
13. motors (10) according to any one of the claims, it is characterized in that, described permanent magnet (18) radially (41) is magnetized, and circumferentially the permanent magnet (18) of direction (40) adjacent layout is magnetized on the contrary, wherein especially described permanent magnet (18) has ferromagnet or rare earth, preferably NdFeB as magnetic material.
14. 1 kinds for the manufacture of the servo drive in the motor vehicle of preferred motor (10) according to any one of the claims-especially-method, it is characterized in that following method step:
-holding element (20) is stamped in smooth lamination (62);
-described lamination (62) is rolled into the pole shoe (14) of cylindricality, be wherein especially fitted to each other about circumferential direction (40) plate (64) positive;
-described permanent magnet (18) is inserted in pole shoe (14), thus make described permanent magnet (18) circumferentially direction (40) be resisted against on described holding element (20);
-embed at least one magnet keep-spring (34) described, make described permanent magnet (18) circumferentially direction (40) be extruded towards described holding element (20), wherein especially utilize diagonal brace to be embedded between described permanent magnet (18) vertically described magnet keep-spring (34).
15. methods according to claim 14, it is characterized in that, the punching press of described holding element (20) divides two steps to carry out, wherein first utilize first impression (82) to be shaped and there is the groove (74) of the cross section larger than holding element (20), the degree of depth of described groove radially (41) is less than the thickness (30) of described perisporium (16), and utilize another recess of the second die (82) punching press with the cross section less than the holding element (20) be in described groove (74) in the heart, thus make on opposed plate side preferably by the holding element (20 being stamped in corresponding former the embolism shape that is shaped, 24).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013213702.8 | 2013-07-12 | ||
| DE102013213702.8A DE102013213702A1 (en) | 2013-07-12 | 2013-07-12 | Electric machine for motorized adjustment of moving parts in the motor vehicle, and method for producing the electric machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104283341A true CN104283341A (en) | 2015-01-14 |
| CN104283341B CN104283341B (en) | 2019-03-05 |
Family
ID=52107343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410541427.2A Expired - Fee Related CN104283341B (en) | 2013-07-12 | 2014-07-11 | Motor and motor manufacturing method for movable member in motor type adjustment motor vehicle |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR102223977B1 (en) |
| CN (1) | CN104283341B (en) |
| DE (1) | DE102013213702A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108718123A (en) * | 2018-08-01 | 2018-10-30 | 浙江美茵电机有限公司 | A kind of Permanent magnet DC high pressure slicer motor |
| CN112443696A (en) * | 2019-08-27 | 2021-03-05 | 株式会社电装大信 | Throttle valve device and magnetizing method thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015210814A1 (en) * | 2015-06-12 | 2016-12-15 | Robert Bosch Gmbh | Electric motor and comfort drive for a motor vehicle with an electric motor |
| EP3389166B1 (en) * | 2017-04-11 | 2020-03-11 | Mahle International GmbH | Electric motor |
| CN108494191B (en) * | 2018-05-31 | 2023-10-13 | 浙江联宜电机有限公司 | Direct current motor magnetic shoe and spring clip mounting device |
| DE102019210843A1 (en) * | 2019-07-22 | 2021-01-28 | Robert Bosch Gmbh | Electric machine, in particular for adjusting moving parts in a motor vehicle |
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|---|---|---|---|---|
| JPS5656156A (en) * | 1979-10-11 | 1981-05-18 | Honda Motor Co Ltd | Structure for fixing field magnet of rotary electric machine |
| JPS58204756A (en) * | 1982-03-30 | 1983-11-29 | プラス・マヌフアクチユアリング・カンパニ−・インコ−ポレ−テツド | Holding spring unit for fixing article and method of producing same |
| CN85103925A (en) * | 1985-05-04 | 1986-10-29 | 株式会社日立制作所 | Permanent magnet direct current motor |
| JP2000278925A (en) * | 1999-03-24 | 2000-10-06 | Nissin Kogyo Co Ltd | Pump drive motor of vehicle antilock brake device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60131039A (en) * | 1983-12-16 | 1985-07-12 | Mitsubishi Electric Corp | Stator of motor and manufacture thereof |
| DE10031254A1 (en) * | 2000-06-27 | 2002-01-10 | Bosch Gmbh Robert | bow spring |
| DE102007005770A1 (en) * | 2006-12-29 | 2008-07-03 | Robert Bosch Gmbh | Motor drive unit for disk wiping device of motor vehicle, has direct current motor with armature rotatably supported in pole housing and permanent magnets provided at housing wall, where magnets stay in reciprocal effect with armature |
| JP2008301679A (en) * | 2007-06-04 | 2008-12-11 | Asmo Co Ltd | Electric motor |
| DE102007061381A1 (en) * | 2007-12-19 | 2009-06-25 | Robert Bosch Gmbh | DC machine |
| US7986065B2 (en) | 2008-06-04 | 2011-07-26 | Robert Bosch Gmbh | Sealed rolled pole housing for an electric motor |
-
2013
- 2013-07-12 DE DE102013213702.8A patent/DE102013213702A1/en not_active Withdrawn
-
2014
- 2014-07-10 KR KR1020140086707A patent/KR102223977B1/en active IP Right Grant
- 2014-07-11 CN CN201410541427.2A patent/CN104283341B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5656156A (en) * | 1979-10-11 | 1981-05-18 | Honda Motor Co Ltd | Structure for fixing field magnet of rotary electric machine |
| JPS58204756A (en) * | 1982-03-30 | 1983-11-29 | プラス・マヌフアクチユアリング・カンパニ−・インコ−ポレ−テツド | Holding spring unit for fixing article and method of producing same |
| CN85103925A (en) * | 1985-05-04 | 1986-10-29 | 株式会社日立制作所 | Permanent magnet direct current motor |
| JP2000278925A (en) * | 1999-03-24 | 2000-10-06 | Nissin Kogyo Co Ltd | Pump drive motor of vehicle antilock brake device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108718123A (en) * | 2018-08-01 | 2018-10-30 | 浙江美茵电机有限公司 | A kind of Permanent magnet DC high pressure slicer motor |
| CN112443696A (en) * | 2019-08-27 | 2021-03-05 | 株式会社电装大信 | Throttle valve device and magnetizing method thereof |
| CN112443696B (en) * | 2019-08-27 | 2023-11-03 | 株式会社电装大信 | Throttle valve device and magnetizing method thereof |
| US11867309B2 (en) | 2019-08-27 | 2024-01-09 | Denso Daishin Corporation | Throttle valve device and method for magnetizing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013213702A1 (en) | 2015-01-15 |
| CN104283341B (en) | 2019-03-05 |
| KR102223977B1 (en) | 2021-03-09 |
| KR20150007985A (en) | 2015-01-21 |
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