CN100481676C - Motor structure - Google Patents
Motor structure Download PDFInfo
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- CN100481676C CN100481676C CNB2005100707263A CN200510070726A CN100481676C CN 100481676 C CN100481676 C CN 100481676C CN B2005100707263 A CNB2005100707263 A CN B2005100707263A CN 200510070726 A CN200510070726 A CN 200510070726A CN 100481676 C CN100481676 C CN 100481676C
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- magnetic
- connecting portion
- motor structure
- rotor
- balance sheet
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Abstract
The invention discloses a motor structure, which comprises the following parts: fixing part, rotor and magnetic induction balance piece, wherein the fixing part contains stator group and at least one induction element; the stator group possesses at least one coil and several magnetic pole planes; the rotor concludes a ring-shaped magnet, which corresponds magnetic pole plane of stator group; the magnetic induction balance piece is set on the fixing part to form integral connecting part and at least two magnetic induction planes, which supports and connects the magnetic induction planes; the magnetic induction plane displays ring-shaped magnet, which provides fitful symmetrical magnetic attraction balance effect. The invention simplifies the manufacturing procedure and reduces manufacturing cost, which guarantees rotary and balancing efficiency.
Description
Technical field
The invention relates to a kind of motor structure, particularly about a fixed part one magnetic-sensing balance sheet is set, its one-body molded formation a junction and at least two sense magnetic surfaces are for the motor balance structure of keeping rotary balance, simplified construction and ease of assembly.
Background technology
The spin balancing structure of known motor rotor, announce " the radiator fan group structure of tool magnetic location " No. 383818 as TaiWan, China, No. 422365 " heat spreader structures of tool magnetic location fan group ", No. 428838 " locating structure of motor rotor " and No. 241969 novel patents such as " fan motors ", and United States Patent (USP) the 6th, 097, No. 120 " Brushless DC motor structure (Brushless D.C.Motor Assembly) ", the 6th, 727, No. 626 " motor balancing patch structure (Balancing Plate for a Motor) ", the 6th, 483, No. 209 " the gimbal structure (Balance Rings for Motors) of motor ", the 6th, 700, No. 241 " locating structure of Spindle Motor prestressed magnet (Positioning device for Prestressing Magnet ofSpindle Motor) " reaches and discloses patents of invention such as " the spin balancing structures (Rotational Balance Structure for Motor) of motor " No. 2005/0006962, and it roughly comprises a fixed part, one rotor, an one magnetic portion and a magnet sensing part.This fixed part is provided with a pedestal, a central siphon, a bearing, stator group and a circuit board.This central siphon is fixed on the pedestal, and this central siphon can be installed with this bearing. and this stator pack selects to use the coil and the pole piece (iron core) of axial winding-type or radial windings type.This rotor is provided with an axostylus axostyle and an annular magnet.This axostylus axostyle is plugged in this bearing, and the annular magnet of this rotor is around to the formed magnetic pole strength of pole piece that should stator pack.The root edge of this rotor, the central siphon top of this stator pack are selected to be located at by this magnetic portion, perhaps this magnetic portion also can be selected from the annular magnet of this rotor itself, even being selected from the alternating magnetic field that pole piece produced of this stator pack. this magnet sensing part is to be made by iron material, and its structure can be selected from: the structures such as rotor case of the disk of tool two arc edges, the interior iron-clad of this rotor, ring segment, several knee-pieces or Spindle Motor.On relative position, this magnet sensing part be select to be fixedly arranged on this pedestal, on this circuit board, the inner surface of this rotor, the root edge of this rotor, and corresponding to this magnetic portion.
When the motor running of above-mentioned any balance structure of tool, the coil electricity of this stator pack causes each pole-face of this pole piece (or polar arm of iron core) to produce alternating magnetic field, thereby promotes this rotor rotation.During this rotor rotation, this magnet sensing part is subjected to the magnetic attraction of this magnetic portion, thereby in order to the auxiliary rotary balance of keeping this rotor, avoids this rotor axial to break away from this stator pack, and it is relative to the wearing and tearing of rotating that reduce this bearing, and then prolongation motor useful life.
Even so, but above-mentioned rotary balance is constructed in fact ubiquity following problems, for example: the sheet metal size of (1), this magnet sensing part usually as far as possible with very big area to magnet (as annular magnet) that should magnetic portion, but this measure may cause this magnet sensing part and magnetic portion that excessive balance magnetic active force is provided.Moreover, though the different magnet sensing parts of same plate adjoin each other, but be subjected to having on this rotor the N of opposed polarity, the S polar region attracts, therefore may cause phase mutual interference between each magnet sensing part, and then reduce the real balance effect (2) of this magnet sensing part relatively, for overcoming the problems referred to above, the known rotary balance of part structure is by be arranged several magnet sensing parts of short-movie shape of branch, with suitable minimizing magnetic balanced action power, yet so that avoid the rotational efficienty of this rotor of excessive influence., but the technology of separately being arranged to several magnet sensing parts derives and is difficult for the problem that each magnet sensing part is assembled in accurate contraposition.Based on the above-mentioned various technical disadvantages of keeping rotary balance, still be necessary further to improve the spin balancing structure of above-mentioned various motor rotors really.
Summary of the invention
In view of this, the present invention improves above-mentioned shortcoming, it is at a fixed part one magnetic-sensing balance sheet to be set, one-body molded formation a junction of this magnetic-sensing balance sheet and at least two sense magnetic surfaces, this connecting portion is selected to connect this connecting portion by at least two necks, or this connecting portion selects to be made by non-magnet material, and suitably forms a gap between the adjacent sense magnetic surface.Whereby, the present invention not only provides an amount of magnetic counterbalance effect, keeping the rotor spin balancing, and also can further simplify balance structure and assembling thereof, and promote real balance efficient.
Main purpose of the present invention provides a kind of motor structure, wherein a fixed part is provided with a magnetic-sensing balance sheet, its one-body molded formation a junction and at least two sense magnetic surfaces, and suitably form a gap between the adjacent sense magnetic surface make the present invention have to keep the effect of rotor spin balancing.
Secondary objective of the present invention provides a kind of motor structure, wherein a fixed part is provided with a magnetic-sensing balance sheet, its one-body molded formation a junction and at least two sense magnetic surfaces, and this connecting portion is to select to connect this sense magnetic surface by at least two necks, makes the present invention have the effect of lifting real balance efficient.
Another purpose of the present invention provides a kind of motor structure, wherein a fixed part is provided with a magnetic-sensing balance sheet, its one-body molded formation a junction and at least two sense magnetic surfaces, and this connecting portion is to select to be made by non-magnet material, makes the present invention have the effect that promotes real balance efficient.
The present invention is achieved in that
The invention provides a kind of motor structure, described motor structure comprises: a fixed part, and it is provided with stator group, and this stator pack has at least one coil and at least one pole piece, this pole piece extends to form several magnetic pole strengths, and this coil can be switched on and be made this magnetic pole strength produce alternating magnetic field; One rotor, it is provided with an axostylus axostyle and an annular magnet, rotating this fixed part that is incorporated into of this axostylus axostyle, this annular magnet is located in this rotor, and to magnetic pole strength that should stator pack; An and magnetic-sensing balance sheet, it is located on this fixed part, the one-body molded formation a junction of this magnetic-sensing balance sheet, at least two necks and at least two sense magnetic surfaces, this neck is in order to connect this connecting portion and sense magnetic surface, and the width of this sense magnetic surface is the width greater than this neck, and this at least two senses magnetic surface is to be made by the magnetic conductivity material; Wherein the connecting portion of this magnetic-sensing balance sheet is in order to support and to connect this sense magnetic surface, and this sense magnetic surface is at least one surface in the face of the annular magnet of this rotor, so that an amount of magnetic counterbalance effect is provided.
Motor structure of the present invention forms a breach respectively between the adjacent sense magnetic surface, this breach and the annular magnet of sense magnetic surface while toward this rotor.
Motor structure of the present invention, the connecting portion of this magnetic-sensing balance sheet are to select to be made by ferrous metal, magnetic conductivity material.
Motor structure of the present invention, the connecting portion of this magnetic-sensing balance sheet are to select to be made by plastics, non-magnetic material.
Motor structure of the present invention, this fixed part is provided with a circuit board in addition, and this magnetic-sensing balance sheet is the upper surface that amplexiforms in this circuit board.
Motor structure of the present invention, this fixed part is provided with a circuit board in addition, and this magnetic-sensing balance sheet is the lower surface that amplexiforms in this circuit board.
Motor structure of the present invention, the connecting portion of this magnetic-sensing balance sheet are outer connecting portions, and this sense magnetic surface is that the inner edge by this outer connecting portion extends radially inwardly and forms, and should sense magnetic surface toward the basal surface of the annular magnet of this rotor.
Motor structure of the present invention, the connecting portion of this magnetic-sensing balance sheet are outer connecting portions, and this sense magnetic surface is that the inner edge by this outer connecting portion axially is bent to form, and should sense magnetic surface toward the inner peripheral surface of the annular magnet of this rotor.
Motor structure of the present invention, the connecting portion of this magnetic-sensing balance sheet are connecting portions in, and this sense magnetic surface is that the outer rim by connecting portion in this extends radially outwardly and forms, and this feels the basal surface of magnetic surface toward the annular magnet of this rotor.
Motor structure of the present invention, the central authorities of the interior connecting portion of this magnetic-sensing balance sheet are provided with an axis hole, for a central siphon external diameter that is set in this fixed part.
Motor structure of the present invention, the connecting portion of this magnetic-sensing balance sheet are connecting portions in, and this sense magnetic surface is that the outer rim by connecting portion in this axially is bent to form, and should feel the inner peripheral surface of magnetic surface toward the annular magnet of this rotor.
Motor structure of the present invention, the central authorities of the interior connecting portion of this magnetic-sensing balance sheet are provided with an axis hole, for a central siphon external diameter that is set in this fixed part.
Motor structure of the present invention, this stator pack are the stator structures that is selected from radial windings type, axial winding-type.
Motor structure of the present invention can be simplified balance structure processing procedure relatively, reduces manufacturing cost, keep spin balancing and rotational stability, and guarantees rotational efficienty and real balance efficient.
Description of drawings
Fig. 1: the exploded perspective view of the motor structure of first embodiment of the invention;
Fig. 2: the assembled sectional view of the motor structure of first embodiment of the invention;
Fig. 3: the exploded perspective view of the motor structure of second embodiment of the invention;
Fig. 4: the assembled sectional view of the motor structure of second embodiment of the invention;
Fig. 5: the exploded perspective view of the motor structure of third embodiment of the invention;
Fig. 6: the assembled sectional view of the motor structure of third embodiment of the invention.
Symbol description:
10 fixed parts, 11 pedestals, 12 central siphons
13 bearings, 14 stator pack, 140 magnetic pole strengths
141 pole pieces, 142 coils, 15 circuit boards
151 sensing elements, 20 rotors, 21 axostylus axostyles
22 wheel hubs, 23 annular magnets, 30 magnetic-sensing balance sheets
31 outer connecting portion 32 necks 33 sense magnetic surfaces
Connecting portion in 34 breach, 40 magnetic-sensing balance sheets 41
411 axis holes, 42 necks, 43 sense magnetic surfaces
Connecting portion in 44 breach, 50 magnetic-sensing balance sheets 51
511 axis holes, 52 necks, 52 ' neck
53 sense magnetic surfaces, 53 ' sense magnetic surface, 54 breach
Embodiment
In order to allow above and other objects of the present invention, feature and advantage understand by clearer and more definite quilt, hereinafter will be especially exemplified by preferred embodiment of the present invention, and cooperate appended graphicly, be described in detail below.
Please refer to shown in Figure 1, the motor structure of first embodiment of the invention is to comprise a fixed part 10, a rotor 20 and a magnetic-sensing balance sheet 30, it can be applicable to high-tech field of motors, particularly small-sized brushless d.c. motor field such as radiator fan or spindle in optical disc drive motor.
Please refer to Figure 1 and Figure 2, the fixed part 10 of first embodiment of the invention is provided with a pedestal 11, a central siphon 12, a bearing 13, stator group 14 and a circuit board 15.This pedestal 11 is the housings (not illustrating) that can be incorporated into a motor.This central siphon 12 can be selected to make separately or be directly one-body molded on this pedestal 11.The inside of this central siphon 12 is in order to being installed with at least one this bearing 13, and external diameter is in order to wear in conjunction with this stator pack 14 and circuit board 15.This bearing 13 is optional from known bearing constructions such as oiliness bearing, ball bearing, liquid bearing or magnetic bearings.This stator pack 14 may be selected to be the stator structure of radial windings type, and it is provided with several pole pieces 141 and is wound with at least one coil 142.This pole piece 141 radially extends to form several magnetic pole strengths 140.This circuit board 15 suitably is provided with at least one sensing element 151.This sensing element 151 for the current lead-through direction of mutual this coil 142 of control, and then makes the magnetic pole strength 140 of this pole piece 141 produce alternating magnetic field in order to respond to the rotary state of this rotor 20.
Referring again to Figure 1 and Figure 2, the end that the rotor 20 of first embodiment of the invention comprises an axostylus axostyle 21, a wheel hub 22 and an annular magnet 23. these axostylus axostyles 21 is fixed on the inner surface middle position of this wheel hub 22, and the other end of this axostylus axostyle 21 extends downwards, in the rotating bearing 13 that is inserted in this fixed part 10.This annular magnet 23 is located on the inner peripheral surface of this wheel hub 22.The inner peripheral surface of this annular magnet 23 has N, S polar region (not illustrating), and corresponding to the magnetic pole strength 140 of this stator pack 14.The alternation that this annular magnet 23 can be responded to this magnetic pole strength 140 is excitatory and rotate, and rotates to drive this rotor 20.
Referring again to Figure 1 and Figure 2, the magnetic-sensing balance sheet 30 of first embodiment of the invention is a plate body in the form of a ring, and it is one-body molded formation one outer connecting portion 31, at least two necks 32, at least two sense magnetic surface 33 and several breach 34, with simplified construction and assembling.According to product demand, this outer connecting portion 31 (and neck 32) is can select to be made by magnetic conductivity materials such as ferrous metals, maybe can select to be made by non-magnetic materials such as plastics.This sense magnetic surface 33 is to be made by magnetic conductivity materials such as ferrous metals.Textural, this sense magnetic surface 33 is can select inner edge by this outer connecting portion 31 to extend radially inwardly to form, or by its inner rim axially bending form.The preferable width of width of this sense magnetic surface 33 greater than this neck 32.34 of this breach are formed between the adjacent sense magnetic surface 33.Moreover this magnetic-sensing balance sheet 30 is installed on this fixed part 10, and upper surface, lower surface or the outside of this circuit board 15 are located in preferable selection.When assembling, these sense magnetic surface 33 preferable selections are toward the basal surface or the inner peripheral surface of the annular magnet 23 of this rotor 20.
Referring again to shown in Figure 2, after motor assembling, the sense magnetic surface 33 of magnetic-sensing balance sheet 30 of the present invention is to be fixed on this fixed part 10, and toward the basal surface of this annular magnet 23.When this rotor 20 rotates, these annular magnet 23 magnetic attraction should be felt magnetic surface 33, thereby produce a magnetic balanced action power, effectively avoid shake that this rotor 20 produces whereby, shake or rock, and then suitably keep the spin balancing and the rotational stability of this rotor 20.Simultaneously, by this breach 34 that right quantity is set, then help avoiding producing excessive magnetic balanced action power, between this sense magnetic surface 33 to guarantee the not rotational efficienty of this rotor 20 of excessive influence.The most important thing is, the preferable width of width of this sense magnetic surface 33 greater than this neck 32, and respectively feel between the magnetic surface 33 and only interconnecting via this outer connecting portion 31 and neck 32.Therefore, respond to the different magnetic of generation corresponding to the different polar regions of this annular magnet 23 even respectively feel magnetic surface 33, the present invention also can be further by this neck 32 and/or outside connecting portion 31 relative minimizings respectively feel the possibility that the phase mutual interference takes place between the magnetic surface 33, thereby guarantee the real balance efficient of this sense magnetic surface 33.
Please refer to Fig. 3 and shown in Figure 4, it discloses the motor structure of second embodiment of the invention.Compared to first embodiment, the magnetic-sensing balance sheet 40 of second embodiment is connecting portion 41 in the one-body molded formation one, several necks 42, several sense magnetic surface 43 and several breach 44, with simplified construction and assembling.The central authorities position of connecting portion 41 is provided with an axis hole 411 in being somebody's turn to do, for sheathed central siphon 12 external diameters that are incorporated into this fixed part 10.According to product demand, connecting portion 41 in this (and neck 42) is can select to be made by magnetic conductivity materials such as ferrous metals, maybe can select to be made by non-magnetic materials such as plastics.This sense magnetic surface 43 is to be made by magnetic conductivity materials such as ferrous metals.This sense magnetic surface 43 is can select outer rim by connecting portion in this 41 to extend radially outwardly to form, or by its outer rim axially bending form.The preferable width of width of this sense magnetic surface 43 greater than this neck 42.44 of this breach are formed between the adjacent sense magnetic surface 43.Moreover this magnetic-sensing balance sheet 40 is installed on this fixed part 10, and preferable selection is attached at the lower surface or the upper surface of this circuit board 15.When assembling, these sense magnetic surface 43 preferable selections are toward the basal surface or the inner peripheral surface of the annular magnet 23 of this rotor 20.Whereby, this magnetic-sensing balance sheet 40 can suitably be kept spin balancing and rotational stability equally, guarantee rotational efficienty, and respectively feel the possibility that the phase mutual interference takes place between the magnetic surface 43, thereby guarantee the real balance efficient of this sense magnetic surface 43 by this neck 42 and/or the 41 relative minimizings of interior connecting portion.
Please refer to Fig. 5 and shown in Figure 6, it discloses the motor structure of third embodiment of the invention.Compared to second embodiment, the magnetic-sensing balance sheet 50 of the 3rd embodiment is connecting portion 51 in the one-body molded formation one, several first necks 52, several second necks 52 ', several first sense magnetic surfaces 53, several second sense magnetic surface 53 ' and several breach 54.The central authorities position of connecting portion 51 is provided with an axis hole 511 in being somebody's turn to do, for sheathed this central siphon 12 external diameters that are incorporated into.Should interior connecting portion 51 (and neck 52,52 ') be to select to make, and maybe can select to make by non-magnetic materials such as plastics by magnetic conductivity materials such as ferrous metals.This sense magnetic surface 53,53 ' is to be made by magnetic conductivity materials such as ferrous metals.Textural, this first sense magnetic surface 53 is to select outer rim by connecting portion in this 51 to extend radially outwardly to form, and this second sense magnetic surface 53 ' is that outer rim by connecting portion in this 51 axially bends and forms simultaneously.This sense magnetic surface 53,53 ' width are preferable greater than this neck 52,52 ' width.54 of this breach are formed between the adjacent sense magnetic surface 53,53 '.Moreover this magnetic-sensing balance sheet 50 is installed on this fixed part 10, and preferable selection is attached at the lower surface or the upper surface of this circuit board 15.When assembling, these first sense magnetic surface, 53 preferable selections are toward the basal surface of the annular magnet 23 of this rotor 20, and this second sense magnetic surface, 53 ' preferable selection is in the face of the inner peripheral surface of the annular magnet 23 of this rotor 20.Whereby, this magnetic-sensing balance sheet 50_ can suitably keep spin balancing and rotational stability equally, guarantee rotational efficienty, and by this neck 52,52 ' and/or the 51 relative minimizings of interior connecting portion respectively feel between the magnetic surface 53,53 ' possibility of phase mutual interference take place, thereby guarantee this sense magnetic surface 53,53 ' real balance efficient.
As mentioned above, the excitatory efficient of magnetic pole strength of the normal excessive influence stator pack of corresponding magnetic active force that is provided by magnet sensing part and magnetic portion compared to various known motor structures, and respectively feel the mutual interference of polarity phase also easily takes place between the magnetic surface, but if the shortcomings such as problem of dividing several these sense magnetic surfaces that are arranged then to derive the assembling contraposition, the present invention of Fig. 1 is by at this fixed part 10 this magnetic-sensing balance sheet 30 being set, and directly by this magnetic-sensing balance sheet 30 one-body molded several should sense magnetic surfaces 33, this sense magnetic surface 33 only outside this neck 32 reaches connecting portion 31 interconnect.Therefore, the present invention can simplify balance structure processing procedure really relatively, reduces manufacturing cost, keep spin balancing and rotational stability, and guarantees rotational efficienty and real balance efficient.
Claims (13)
1, a kind of motor structure is characterized in that described motor structure comprises:
One fixed part, it is provided with stator group, and this stator pack has at least one coil and at least one pole piece, and this pole piece extends to form several magnetic pole strengths, and this coil can be switched on and be made this magnetic pole strength produce alternating magnetic field;
One rotor, it is provided with an axostylus axostyle and an annular magnet, rotating this fixed part that is incorporated into of this axostylus axostyle, this annular magnet is located in this rotor, and to magnetic pole strength that should stator pack; And
One magnetic-sensing balance sheet, it is located on this fixed part, the one-body molded formation a junction of this magnetic-sensing balance sheet, at least two necks and at least two sense magnetic surfaces, this neck connects this connecting portion and sense magnetic surface, and should feel the width of the width of magnetic surface greater than this neck, this at least two senses magnetic surface is to be made by the magnetic conductivity material;
Wherein the connecting portion of this magnetic-sensing balance sheet is in order to support and to connect this sense magnetic surface, and this sense magnetic surface is at least one surface in the face of the annular magnet of this rotor, so that an amount of magnetic counterbalance effect is provided.
2, motor structure according to claim 1 is characterized in that: form a breach respectively between the adjacent sense magnetic surface, this breach and the annular magnet of sense magnetic surface while toward this rotor.
3, motor structure according to claim 1 is characterized in that: the connecting portion of this magnetic-sensing balance sheet is to select to be made by ferrous metal or magnetic conductivity material.
4, motor structure according to claim 1 is characterized in that: the connecting portion of this magnetic-sensing balance sheet is to select to be made by plastics or non-magnetic material.
5, motor structure according to claim 1 is characterized in that: this fixed part is provided with a circuit board in addition, and this magnetic-sensing balance sheet is the upper surface that amplexiforms in this circuit board.
6, motor structure according to claim 1 is characterized in that: this fixed part is provided with a circuit board in addition, and this magnetic-sensing balance sheet is the lower surface that amplexiforms in this circuit board.
7, motor structure according to claim 1, it is characterized in that: the connecting portion of this magnetic-sensing balance sheet is an outer connecting portion, this sense magnetic surface is that the inner edge by this outer connecting portion extends radially inwardly and forms, and should sense magnetic surface toward the basal surface of the annular magnet of this rotor.
8, motor structure according to claim 1 is characterized in that: the connecting portion of this magnetic-sensing balance sheet is an outer connecting portion, and this sense magnetic surface is that the inner edge by this outer connecting portion axially is bent to form, and should sense magnetic surface toward the inner peripheral surface of the annular magnet of this rotor.
9, motor structure according to claim 1, it is characterized in that: the connecting portion of this magnetic-sensing balance sheet is a connecting portion in, this sense magnetic surface is that the outer rim by connecting portion in this extends radially outwardly and forms, and should sense magnetic surface toward the basal surface of the annular magnet of this rotor.
10, motor structure according to claim 9 is characterized in that: the central authorities of the interior connecting portion of this magnetic-sensing balance sheet are provided with an axis hole, for a central siphon external diameter that is set in this fixed part.
11, motor structure according to claim 1, it is characterized in that: the connecting portion of this magnetic-sensing balance sheet is a connecting portion in, this sense magnetic surface is that the outer rim by connecting portion in this axially is bent to form, and should sense magnetic surface toward the inner peripheral surface of the annular magnet of this rotor.
12, motor structure according to claim 11 is characterized in that: the central authorities of the interior connecting portion of this magnetic-sensing balance sheet are provided with an axis hole, for a central siphon external diameter that is set in this fixed part.
13, motor structure according to claim 1 is characterized in that: this stator pack is the stator structure that is selected from radial windings type, axial winding-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100707263A CN100481676C (en) | 2005-05-18 | 2005-05-18 | Motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100707263A CN100481676C (en) | 2005-05-18 | 2005-05-18 | Motor structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1866674A CN1866674A (en) | 2006-11-22 |
| CN100481676C true CN100481676C (en) | 2009-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100707263A Expired - Fee Related CN100481676C (en) | 2005-05-18 | 2005-05-18 | Motor structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN100481676C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167470A (en) * | 2018-10-30 | 2019-01-08 | 东昌电机(深圳)有限公司 | A kind of rotor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6097120A (en) * | 1999-09-04 | 2000-08-01 | Sunonwealth Electric Machine Industry Co., Ltd. | Brushless D.C. motor assembly |
| US6483209B1 (en) * | 2001-06-15 | 2002-11-19 | Sunonwealth Electric Machine Industry Co., Ltd. | Balance rings for motors |
| US6727626B2 (en) * | 2002-04-17 | 2004-04-27 | Sunonwealth Electric Machine Industry Co., Ltd. | Balancing plate for a motor |
| CN2641900Y (en) * | 2003-07-22 | 2004-09-15 | 建准电机工业股份有限公司 | Motor with rotary balance structure |
| CN1832302A (en) * | 2005-03-07 | 2006-09-13 | 启原智财科技股份有限公司 | Motor with magnetic-sensing balance sheet |
-
2005
- 2005-05-18 CN CNB2005100707263A patent/CN100481676C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6097120A (en) * | 1999-09-04 | 2000-08-01 | Sunonwealth Electric Machine Industry Co., Ltd. | Brushless D.C. motor assembly |
| US6483209B1 (en) * | 2001-06-15 | 2002-11-19 | Sunonwealth Electric Machine Industry Co., Ltd. | Balance rings for motors |
| US6727626B2 (en) * | 2002-04-17 | 2004-04-27 | Sunonwealth Electric Machine Industry Co., Ltd. | Balancing plate for a motor |
| CN2641900Y (en) * | 2003-07-22 | 2004-09-15 | 建准电机工业股份有限公司 | Motor with rotary balance structure |
| CN1832302A (en) * | 2005-03-07 | 2006-09-13 | 启原智财科技股份有限公司 | Motor with magnetic-sensing balance sheet |
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| Publication number | Publication date |
|---|---|
| CN1866674A (en) | 2006-11-22 |
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Address after: The new Taiwan China Ya Lu Kaohsiung City No. 30 Lane 296 Patentee after: Sunonwealth Electric Machine Industry Co.,Ltd. Address before: Taiwan, China Patentee before: Sunonwealth Electric Machine Industry Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 |