CN203457014U - Brushless synchronous motor - Google Patents
Brushless synchronous motor Download PDFInfo
- Publication number
- CN203457014U CN203457014U CN201320539776.1U CN201320539776U CN203457014U CN 203457014 U CN203457014 U CN 203457014U CN 201320539776 U CN201320539776 U CN 201320539776U CN 203457014 U CN203457014 U CN 203457014U
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- magnetic cylinder
- field core
- synchronous motor
- outer magnetic
- brushless synchronous
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Abstract
The utility model provides a brushless synchronous motor which comprises a housing, a rotation shaft, an initiation iron core and an excitation iron core, wherein the initiation iron core is fixed on an inner side wall of the housing; the excitation iron core is coupled to the rotation shaft; the excitation iron core and the initiation iron core are disposed on the axis of the rotation shaft side by side; and the excitation iron core and the initiation iron core together form a magnetic loop. The brushless synchronous motor has neither carbon brushes nor slip rings; the magnitude of the magnetic induction intensity of the rotor is controllable; and the brushless synchronous motor is low in cost, simple in structure and convenient for maintenance.
Description
Technical field
The utility model relates to a kind of motor, particularly a kind of brushless synchronous motor.
Background technology
Traditional synchronous motor comprises the rotor with permanent magnet, and permanent magnet material is very expensive, and cost is high.The size of the magnetic flux density of permanent magnet is relatively stable, and the size of the magnetic flux density of change permanent magnet that can not be random, thereby power and the level of torque that can not arbitrarily regulate motor to export, when load variations, cause the poor-performing of synchronous motor operation.
In addition, the rotor of some synchronous motor is connected with external power with slip ring by carbon brush, thereby can be according to the load adjustment power consumption of motor, but this synchronous motor when operation carbon brush and slip ring between friction easily produce spark, slip ring easily weares and teares, need often to change carbon brush, and failure rate is higher.
Chinese patent Granted publication CN2904449Y discloses a kind of transformer type excitation brushless synchronous electric machine, in synchronous motor, be provided with moving iron core, static iron core, moving winding and quiet winding and rectifier, by the rotation transformation mode between moving winding and quiet winding, excitation winding by electrical energy transfer to synchronous machine, provides exciting current.But the line of magnetic induction that in this device, quiet winding produces forms magnetic loop by the rotating shaft between the casing between static iron core, moving iron core and static iron core, moving iron core, moving iron core and static iron core, because moving winding is fixed in rotating shaft, quiet winding is fixed on casing, between static iron core and rotating shaft, there is gap, and between moving iron core and casing, also there is gap, thereby cause leakage field phenomenon serious, likely damage synchronous motor.Exchange flux in casing and rotating shaft easily causes electromagnetic interference simultaneously, has brought potential safety hazard to its operational environment.
Utility model content
For above-mentioned prior art, an embodiment of the present utility model provides a kind of brushless synchronous motor solving the problems of the technologies described above, and comprising:
Housing;
Rotating shaft;
Field core, described field core is fixed on the madial wall of described housing;
Field core, described field core is coupled in described rotating shaft, and described field core and described field core are oppositely arranged on the axis of described rotating shaft, and described field core and described field core form magnetic loop.
Brushless motor of the present utility model does not have carbon brush and slip ring, therefore, without often changing carbon brush, has reduced fault and potential safety hazard, reduces cost simultaneously yet.Can arbitrarily regulate according to load the size of alternating current in field winding, thereby regulate the size of the magnetic flux density of rotor generation, make brushless synchronous motor export needed power and torque.
Preferably, described field core comprises the first outer magnetic cylinder and is coaxial and be positioned at the first magnetic cylinder of described the first outer magnetic cylinder inside with described the first outer magnetic cylinder, and described field core comprises the second outer magnetic cylinder and be coaxial and be positioned at the second magnetic cylinder of described the second outer magnetic cylinder inside with described the second outer magnetic cylinder.
Preferably, described field core also comprises the first circle magnet ring, and described the first outer magnetic cylinder is connected by described the first circle magnet ring with described the first interior magnetic cylinder one end at the madial wall near described housing in one end of the madial wall near described housing.Preferred, described the first outer magnetic cylinder is cylindrical tube shape or circular cone tubular, and described the first interior magnetic cylinder is cylindrical tube shape or circular cone tubular.
Preferably, described the first outer magnetic cylinder is the tubular of both ends open, described the first interior magnetic cylinder is the tubular of both ends open, and described the first outer magnetic cylinder is connected with described the first interior magnetic cylinder one end at the madial wall near described housing in one end of the madial wall near described housing.Preferred, described the first outer magnetic cylinder is cylindrical tube shape or circular cone tubular, and described the first interior magnetic cylinder is circular cone tubular; Or described the first outer magnetic cylinder is circular cone tubular, described the first interior magnetic cylinder is cylindrical tube shape.
Preferably, described field core also comprises the second circle magnet ring, and described the second outer magnetic cylinder is connected by described the second circle magnet ring in the one end away from described field core with described the second interior magnetic cylinder in the one end away from described field core.Preferred, described the second outer magnetic cylinder is cylindrical tube shape or circular cone tubular, and described the second interior magnetic cylinder is cylindrical tube shape or circular cone tubular.
Preferably, described the second outer magnetic cylinder is the tubular of both ends open, and described the second interior magnetic cylinder is the tubular of both ends open, and described the second outer magnetic cylinder is connected in the one end away from described field core with described the second interior magnetic cylinder in the one end away from described field core.Preferred, described the second outer magnetic cylinder is cylindrical tube shape or circular cone tubular, and described the second interior magnetic cylinder is circular cone tubular; Or described the second outer magnetic cylinder is circular cone tubular, described the second interior magnetic cylinder is cylindrical tube shape.
Preferably, described brushless synchronous motor also comprises the first rotor, and described the first rotor is fixed in described rotating shaft.
Preferably, described field core is fixed on described rotating shaft and/or described the first rotor.
Preferably, described brushless synchronous motor also comprises the second rotor being fixed in described rotating shaft, on described the second rotor, has permanent magnet.Permanent magnet is lossless, and motor operational efficiency is high.
Preferably, described brushless synchronous motor also comprises: field winding, and described field winding is wrapped on described the first interior magnetic cylinder, and described field winding is electrically connected to alternating current; Excitation winding, described excitation winding is wrapped on described the second interior magnetic cylinder.
Preferably, the internal diameter of described the first outer magnetic cylinder in the one end near described field core equals described the second outer magnetic cylinder at the internal diameter of the one end near described field core, and the external diameter of described the first interior magnetic cylinder in the one end near described field core equals described the second interior magnetic cylinder at the external diameter of the one end near described field core.In field core rotary course, can avoid the leakage field between field core and field core.
Preferably, also comprise inverter, the input of described inverter is electrically connected to a direct current, and the output of described inverter is electrically connected to described field winding.Inverter can regulation output the size of alternating current, thereby change the size of the exchange flux that field winding produces.
Accompanying drawing explanation
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein,
Fig. 1 is according to the generalized section of the brushless synchronous motor of first embodiment of the utility model.
Fig. 2 is field core in the brushless synchronous motor of Fig. 1 and the perspective view of field core.
Fig. 3 is according to the generalized section of the brushless synchronous motor of second embodiment of the utility model.
Fig. 4 is according to the field core in the brushless synchronous motor of the 3rd embodiment of the utility model and the perspective view of field core.
Main device symbol description
1 stator 2 stator winding
3 rotor winding 4 rotors
5 bearing 6 rotating shafts
7 rectifier 8 inverters
9 field winding 10 field cores
11 excitation winding 12 field cores
13 housing 14 rotors
The excitatory outer magnetic cylinder of 15 permanent magnet 16
17 excitatory interior magnetic cylinder 18 circle magnet rings
The outer magnetic cylinder of 19 circle magnet ring 20 excitations
The outer magnetic cylinder of 23 field core 24 excitations
The excitatory outer magnetic cylinder of magnetic cylinder 26 in 25 excitations
27 excitatory interior magnetic cylinders
Embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing embodiment of the present utility model is described.
Fig. 1 is according to the generalized section of the brushless synchronous motor of first embodiment of the utility model.Brushless synchronous motor comprises housing 13, rotating shaft 6, rotor 4, rotor winding 3, stator 1, stator winding 2, field core 10, field winding 9, field core 12, excitation winding 11, rectifier 7 and inverter 8.Housing 13 is cylindric, and rotating shaft 6 is positioned at the axis place of housing 13, and the generalized section of brushless synchronous motor of the present utility model be take rotating shaft 6 as symmetry axis symmetry, and therefore in Fig. 1, identical part does not repeat to mark.Rotating shaft 6 is fixed on housing 13 by being arranged in the middle bearing 5 of two end faces of housing 13, and rotating shaft 6 can be rotated by the axis around rotating shaft 6 in housing 13, thus externally acting.Stator 1 is fixed on the madial wall of housing 13, and stator winding 2 is wrapped on stator 1.Rotor 4 is fixed in rotating shaft 6, and along with rotating shaft 6 is rotated together, rotor winding 3 is wrapped on rotor 4 along a direction of winding.Field core 10 is fixed on the madial wall of housing 13, and field core 10 be take rotating shaft 6 as the distribution of rotation axes of symmetry Rotational Symmetry.Thereby field winding 9 is wrapped on field core 10 and is solenoid shape along a direction of winding.Field winding 9 is electrically connected to by the output of wire and inverter 8, and the input of inverter 8 is electrically connected to a direct current, and inverter 8 is exported to field winding 9 by converting direct-current power into alternating-current power, and field winding 9 produces exchange flux.Field core 12 is fixed in rotating shaft 6, and the shape of field core 12 is identical with field core 10 with size, and field core 12 and field core 10 are oppositely arranged and align on the axis of rotating shaft 6.Thereby excitation winding 11 is wrapped on field core 12 and is solenoid shape along a direction of winding, and excitation winding 11 is electrically connected to the input of rectifier 7, and the output of rectifier 7 is electrically connected to rotor winding 3.In the present embodiment, the distance that field core 12 and field core 10 are oppositely arranged in the direction of rotating shaft 6 and interval one is less, this distance only needs to guarantee that field core 12 can not encountered field core 10 when field core 12 rotates together along with rotating shaft 6.After giving inverter 8 energisings, inverter 8 becomes the direct current of input into alternating current and outputs in field winding 9, field winding 9 produces exchange flux, and form magnetic loop by field core 10 and field core 12, according to electromagnetic induction phenomenon, therefore in excitation winding 11, produced alternating current, rectifier 7 converts the alternating current in excitation winding 11 to direct current and outputs to rotor winding 3, finally in rotor 4, produces magnetic flux density.By regulating the switching frequency of the switching device (not shown) in inverter 8 can change the alternating current size of inverter 8 outputs, thereby change the magnetic flux density producing in rotor 4, finally can regulate power and the level of torque of the present embodiment brushless synchronous motor output.
For structure of the present utility model is shown, in Fig. 1, only show a circle field winding 9 and a circle excitation winding 11, those skilled in the art are known, in other embodiment, as required, field winding 9 can be wound around circle arbitrarily on field core 10, and excitation winding 11 also can be wound around circle arbitrarily on field core 12.Inverter in the utility model 8 and rectifier 7 can be known in those skilled in the art in addition.At this, it should be noted that, electrical connection between inverter 8 and field winding 9 is schematic connected mode, electrical connection between same rectifier 7 and excitation winding 11 and rotor winding 3 also just schematically connects, and does not represent actual side connecting conductor formula.In other embodiment, field winding 9 can also directly be electrically connected to a variable alternating current.Field core 12 can be fixed on rotor 4, can also be fixed in rotor 4 and rotating shaft 6 simultaneously.
Fig. 2 is field core 10 in the brushless synchronous motor of Fig. 1 and 12 perspective views of field core.As shown in Figure 2, field core 10 comprises round magnet ring 18, excitatory outer magnetic cylinder 16 and excitatory interior magnetic cylinder 17, excitatory outer magnetic cylinder 16 and excitatory interior magnetic cylinder 17 are all cylindrical tube shapes of opening of two ends, excitatory interior magnetic cylinder 17 is arranged in excitatory outer magnetic cylinder 16, excitatory outer magnetic cylinder 16 and excitatory interior magnetic cylinder 17 are coaxial, all take rotating shaft 6 as rotation axes of symmetry, to be close to housing 13(not shown for circle magnet ring 18) madial wall on, excitatory outer magnetic cylinder 16 is connected by circle magnet ring 18 with excitatory interior magnetic cylinder 17 same one end at the madial wall near housing 13, the circle internal diameter of magnet ring 18 and the internal diameter of excitatory interior magnetic cylinder 17 equate, the circle external diameter of magnet ring 18 and the external diameter of excitatory outer magnetic cylinder 16 equate, the circle magnet ring excitatory outer magnetic cylinder 16 of 18 seamless link and excitatory interior magnetic cylinder 17, field core 10 can be also one-body molded.Field winding 9 is wrapped on excitatory interior magnetic cylinder 17 along a direction of winding.Field core 12 comprises round magnet ring 19, magnetic cylinder 21 in the outer magnetic cylinder 20 of excitation and excitation, in the outer magnetic cylinder 20 of excitation and excitation, magnetic cylinder 21 is all cylindrical tube shapes of opening of two ends, in excitation, magnetic cylinder 21 is arranged in the outer magnetic cylinder 20 of excitation and coaxial with the outer magnetic cylinder 20 of excitation, all take rotating shaft 6 as rotation axes of symmetry, circle magnet ring 19 is positioned at the outer magnetic cylinder 20 of excitation and excitation magnetic cylinder 21 away from one end of field core 10, the external diameter of the external diameter of circle magnet ring 19 and the outer magnetic cylinder 20 of excitation equates, in the internal diameter of circle magnet ring 19 and excitation, the internal diameter of magnetic cylinder 21 equates, magnetic cylinder 21 in the outer magnetic cylinder 20 of circle magnet ring 19 seamless link excitations and excitation, field core 12 also can be one-body molded.Excitation winding 11 is wrapped in excitation on magnetic cylinder 21 along a direction of winding.The internal diameter of the outer magnetic cylinder 20 of the internal diameter of the excitatory outer magnetic cylinder 16 of field core 10 and the excitation of field core 12 equates, the external diameter of the outer magnetic cylinder 20 of the external diameter of the excitatory outer magnetic cylinder 16 of field core 10 and the excitation of field core 12 equates, in the excitation of field core 12, the internal diameter of the internal diameter of magnetic cylinder 21 and the excitatory interior magnetic cylinder 17 of field core 10 equates, and the external diameter of the interior external diameter of magnetic cylinder 21 of the excitation of field core 12 and the excitatory interior magnetic cylinder 17 of field core 10 equates.Field core 10 and field core 12 are oppositely arranged and the arrangement of aliging in the direction along rotating shaft 6, field core 10 and field core 12 are at a distance of a less distance, when field core 12 rotates along with rotating shaft 6, because magnetic cylinder in excitation 21 and excitatory interior magnetic cylinder 17 align in the direction of rotating shaft 6, and the outer magnetic cylinder 20 of excitation and excitatory outer magnetic cylinder 16 are also to keep alignment in the direction of rotating shaft 6, the exchange flux that field winding 9 produces is at interior magnetic cylinder 17, circle magnet ring 18, excitatory outer magnetic cylinder 16, the outer magnetic cylinder 20 of excitation, in the magnetic loop that in circle magnet ring 19 and excitation, magnetic cylinder 21 forms, thereby produce alternating current in excitation winding 11.
Fig. 3 is according to the generalized section of the brushless synchronous motor of second embodiment of the utility model.Itself and Fig. 1 are basic identical, and difference is, brushless synchronous motor also comprises another rotor 14, and rotor 14 and rotor 4 are arranged in parallel, and are fixed on equally in rotating shaft 6, have permanent magnet 15 on rotor 14.Permanent magnet 15, owing to there is no loss, can improve the operational efficiency of synchronous motor.
Fig. 4 is according to the perspective view of the field core 23 in the brushless synchronous motor of the 3rd embodiment of the utility model and field core 22.Itself and Fig. 2 are basic identical, difference is, field core 23 comprises outer magnetic cylinder 26 and interior magnetic cylinder 27, the outer magnetic cylinder 26 of field core 23 is cylindrical tube shape, the interior magnetic cylinder 27 of field core 23 is circular cone tubular, and the interior magnetic cylinder 27 of field core 23 and outer magnetic cylinder 26 are not shown near housing 13() one end of madial wall (away from field core 22) be connected.Field core 22 comprises outer magnetic cylinder 24 and interior magnetic cylinder 25, and the outer magnetic cylinder 24 of field core 22 is cylindrical tube shape, and the interior magnetic cylinder 25 of field core 22 is circular cone tubular, and the outer magnetic cylinder 24 of field core 22 is connected in the one end away from field core 23 with interior magnetic cylinder 25.In other embodiment, can being connected by circle magnet ring in the one end away from field core 22 of the outer magnetic cylinder 26 of field core 23 and interior magnetic cylinder 27, the outer magnetic cylinder 24 of field core 22 also can be connected by circle magnet ring in the one end away from field core 23 with interior magnetic cylinder 25.
In other embodiment, outer magnetic cylinder and the interior magnetic cylinder of field core are tubular, and outer magnetic cylinder and the interior magnetic cylinder of same field core are tubular.The outer magnetic cylinder of field core can also be circular cone tubular, and the interior magnetic cylinder of field core is cylindrical tube shape or circular cone tubular.The outer magnetic cylinder of field core can also be also circular cone tubular, and the interior magnetic cylinder of field core is cylindrical tube shape or circular cone tubular.The outer magnetic cylinder of field core can be connected by circle magnet ring in the one end away from field core with interior magnetic cylinder.The outer magnetic cylinder of field core also can be connected by circle magnet ring in the one end away from field core with interior magnetic cylinder.
Field core of the present utility model and field core formation magnetic loop adjacent with field core and that align and arrange, by regulating the size of the alternating current in field winding, thereby alternating current size in adjusting excitation winding, further regulate galvanic size in rotor winding, the induction level that finally makes rotor produce is variable.When the load of synchronous motor changes, can, so that the torque of output also correspondingly changes, the operational efficiency of synchronous motor be improved.In addition, synchronous motor of the present utility model does not adopt traditional carbon brush and slip ring that alternating current is provided, therefore in rotary course, can not produce the wearing and tearing of carbon brush and the electric spark bringing thus, make that running environment is more safe, synchronous motor moves more reliable.And the utility model cost is low, simple in structure, be convenient to safeguard.
Be to be understood that, although this specification is described according to each embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, technical scheme in each embodiment also can, through appropriately combined, form other execution modes that it will be appreciated by those skilled in the art that.
The foregoing is only the schematic embodiment of the utility model, not in order to limit scope of the present utility model.Any those skilled in the art, is not departing from equivalent variations, modification and the combination of doing under the prerequisite of design of the present utility model and principle, all should belong to the scope of the utility model protection.
Claims (14)
1. a brushless synchronous motor, is characterized in that, comprising:
Housing (13);
Rotating shaft (6);
Field core (10), described field core (10) is fixed on the madial wall of described housing (13);
Field core (12), described field core (12) is coupled in described rotating shaft (6), described field core (12) is oppositely arranged on the axis of described rotating shaft (6) with described field core (10), and described field core (12) forms magnetic loop with described field core (10).
2. brushless synchronous motor according to claim 1, it is characterized in that, described field core (10) comprises the first outer magnetic cylinder (16,26) and is coaxial and be positioned at inner the first magnetic cylinder (17,27) of described the first outer magnetic cylinder (16,26) with described the first outer magnetic cylinder (16,26), and described field core (12) comprises the second outer magnetic cylinder (24) and be coaxial and be positioned at second magnetic cylinder (25) of described the second outer magnetic cylinder (24) inside with described the second outer magnetic cylinder (24).
3. brushless synchronous motor according to claim 2, it is characterized in that, described field core (23) also comprises the first circle magnet ring (18), and described the first outer magnetic cylinder (16,26) is connected by described the first circle magnet ring (18) with described the first interior magnetic cylinder (17,27) one end at the madial wall near described housing (13) in one end of the madial wall near described housing (13).
4. brushless synchronous motor according to claim 2, it is characterized in that, described the first outer magnetic cylinder (16,26) is the tubular of both ends open, described the first interior magnetic cylinder (17,27) is the tubular of both ends open, and described the first outer magnetic cylinder (16,26) is connected with described the first interior magnetic cylinder (17,27) one end at the madial wall near described housing (13) in one end of the madial wall near described housing (13).
5. brushless synchronous motor according to claim 3, is characterized in that, described the first outer magnetic cylinder (16,26) is cylindrical tube shape or circular cone tubular, and described the first interior magnetic cylinder (17,27) is cylindrical tube shape or circular cone tubular.
6. brushless synchronous motor according to claim 4, is characterized in that,
Described the first outer magnetic cylinder (16,26) is cylindrical tube shape or circular cone tubular, and described the first interior magnetic cylinder (17,27) is circular cone tubular; Or
Described the first outer magnetic cylinder (16,26) is circular cone tubular, and described the first interior magnetic cylinder (17,27) is cylindrical tube shape.
7. according to the brushless synchronous motor described in claim 2 to 6 any one, it is characterized in that, described field core (12) also comprises the second circle magnet ring (19), and described the second outer magnetic cylinder (24) is connected by described the second circle magnet ring (19) in the one end away from described field core (10) with described the second interior magnetic cylinder (25) in the one end away from described field core (10).
8. according to the brushless synchronous motor described in claim 2 to 6 any one, it is characterized in that, described the second outer magnetic cylinder (24) is the tubular of both ends open, described the second interior magnetic cylinder (25) is the tubular of both ends open, and described the second outer magnetic cylinder (24) is connected in the one end away from described field core (10) with described the second interior magnetic cylinder (25) in the one end away from described field core (10).
9. brushless synchronous motor according to claim 7, is characterized in that, described the second outer magnetic cylinder (24) is cylindrical tube shape or circular cone tubular, and described the second interior magnetic cylinder (25) is cylindrical tube shape or circular cone tubular.
10. brushless synchronous motor according to claim 8, is characterized in that,
Described the second outer magnetic cylinder (24) is cylindrical tube shape or circular cone tubular, and described the second interior magnetic cylinder (25) is circular cone tubular; Or
Described the second outer magnetic cylinder (24) is circular cone tubular, and described the second interior magnetic cylinder (25) is cylindrical tube shape.
11. brushless synchronous motors according to claim 1, is characterized in that, described brushless synchronous motor also comprises the first rotor (4), and described the first rotor (4) is fixed in described rotating shaft (6).
12. brushless synchronous motors according to claim 11, is characterized in that, described field core (12) is fixed on described rotating shaft (6) and/or described the first rotor (4).
13. brushless synchronous motors according to claim 11, is characterized in that, described brushless synchronous motor also comprises the second rotor (14) being fixed in described rotating shaft, on described the second rotor (14), has permanent magnet.
14. brushless synchronous motors according to claim 2, is characterized in that, described brushless synchronous motor also comprises:
Field winding (9), it is upper that described field winding (9) is wrapped in described the first interior magnetic cylinder (17,27), and described field winding (9) is electrically connected to alternating current;
Excitation winding (11), described excitation winding (11) is wrapped on described the second interior magnetic cylinder (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320539776.1U CN203457014U (en) | 2013-08-30 | 2013-08-30 | Brushless synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320539776.1U CN203457014U (en) | 2013-08-30 | 2013-08-30 | Brushless synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203457014U true CN203457014U (en) | 2014-02-26 |
Family
ID=50136863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320539776.1U Expired - Lifetime CN203457014U (en) | 2013-08-30 | 2013-08-30 | Brushless synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203457014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355109A (en) * | 2019-07-11 | 2019-10-22 | 诺力智能装备股份有限公司 | A kind of rotary-type sorter of radio set driving |
-
2013
- 2013-08-30 CN CN201320539776.1U patent/CN203457014U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355109A (en) * | 2019-07-11 | 2019-10-22 | 诺力智能装备股份有限公司 | A kind of rotary-type sorter of radio set driving |
| CN110355109B (en) * | 2019-07-11 | 2021-04-06 | 诺力智能装备股份有限公司 | Wireless motor drive rotary wheel type sorting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220823 Address after: German ANGARAN Patentee after: Siemens AG Address before: Munich, Germany Patentee before: SIEMENS AG |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
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| CX01 | Expiry of patent term |