CN104795950A - Double-magnetic-circuit permanent magnet type limited angle motor - Google Patents
Double-magnetic-circuit permanent magnet type limited angle motor Download PDFInfo
- Publication number
- CN104795950A CN104795950A CN201510199085.5A CN201510199085A CN104795950A CN 104795950 A CN104795950 A CN 104795950A CN 201510199085 A CN201510199085 A CN 201510199085A CN 104795950 A CN104795950 A CN 104795950A
- Authority
- CN
- China
- Prior art keywords
- rotor magnet
- yoke
- external rotor
- rotor yoke
- internal rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
- H02K1/2733—Annular magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
Abstract
The invention discloses a double-magnetic-circuit permanent magnet type limited angle motor. The double-magnetic-circuit permanent magnet type limited angle motor comprises a stator support, a rotor support, an outer rotor magnet yoke, an inner rotor magnet yoke, outer rotor magnet steel, inner rotor magnet steel, an annular iron core, inner windings and outer windings, the outer rotor magnet yoke and the inner rotor magnet yoke are fixed on the same side of the rotor support, the inner rotor magnet yoke is positioned inside the outer rotor magnet yoke, an annular space is formed between the inner rotor magnet yoke and the outer rotor magnet yoke, the outer rotor magnet steel is fixed on the inner surface of the outer rotor magnet yoke, the inner rotor magnet steel is fixed on the outer surface of the inner rotor magnet yoke and opposite to the outer rotor magnet steel one by one, magnetizing directions of the inner rotor magnet steel and the outer rotor magnet steel at opposite positions are opposite, and the annular iron core is fixed on one side of the stator support and extends into the annular space. The double-magnetic-circuit permanent magnet type limited angle motor has the advantages that utilization rate of the annular windings can be doubled, and force moment density of the motor can be improved.
Description
Technical field
The invention belongs to technical field of motors, relate to a kind of finite angle motor, particularly a kind of double magnetic circuit magneto finite angle motor.
Background technology
At present, the direct current machine of continuous rotation is widely used, but in some Special use occasions, as needed the direct current finite angle motor that a kind of is made reciprocally swinging, volume is little, precision is high, the life-span is long, reliability is high in the application such as infrared imaging, laser-marking, laser radar, ray machine scan.
Common have brushless motor due to needs brush and commutator, in these special systems, use not only complex structure but also reliability not high, reciprocally swinging can cause acutely beating of brush frequently in addition, make itself and commutator loose contact, cause missed pulse, noise to impact to system and even cause system oscillation.Brshless DC motor uses electronic commutation to instead of the mechanical commutation device of brush and commutator, have and the linear adjustment characteristic having brushless motor identical, and reliability is high, but its control system need carry out signal transacting to electronic commutation, control complicated, required switching tube quantity is more, and cost is higher, and torque ripple is comparatively large, finite angle motor has shown its advantage especially in this case.
But traditional annular core type finite angle motor volume is large, it is little to exert oneself, and torque density is lower, and the reason of this problem is that air gap is large, winding utilization is low.Such as, the ring winding finite angle motor of ordinary construction only has a rotor, and the winding that can utilize is only the 40% even lower of whole winding.
Summary of the invention
The object of the present invention is to provide a kind of double magnetic circuit magneto finite angle motor, to solve the problem that air gap is large, winding utilization is low that existing annular core type finite angle motor exists.
To achieve these goals, double magnetic circuit magneto finite angle motor technology scheme provided by the invention is as follows:
A kind of double magnetic circuit magneto finite angle motor, comprise discoid stator support, rotor field spider, described stator support, rotor field spider are coaxial and be arranged in parallel, wherein, also comprise: external rotor yoke and internal rotor yoke, described external rotor yoke, internal rotor yoke are fixed on the same side of described rotor field spider, and described internal rotor yoke is positioned at the inside of described external rotor yoke, are provided with annular gap between described internal rotor yoke and described external rotor yoke; External rotor magnet steel, is fixed on the inner surface of described external rotor yoke; Internal rotor magnetic steel, is fixed on the outer surface of described internal rotor yoke, and described external rotor magnet steel is oppositely arranged one by one, and the described internal rotor magnetic steel of correspondence position, external rotor magnet steel magnetizing direction are contrary; Annular core, described annular core is fixed on the side of described stator support, and described annular core stretches in described annular gap; Interior winding and outer winding, for multiple coil groups, wherein each coil groups is wrapped in the inner surface of described annular core by same coil along the axis of described annular core, outer surface formed, the inner side of described annular core is described interior winding, the outside of described annular core is outer winding, and the quantity of described coil groups and described external rotor magnet steel, internal rotor magnetic steel are all equal.
Preferably, in described double magnetic circuit magneto finite angle motor, described external rotor magnet steel is bonded in the inner surface of described external rotor yoke, and described internal rotor magnetic steel is bonded in the outer surface of described internal rotor yoke.
Preferably, in described double magnetic circuit magneto finite angle motor, the section of described external rotor magnet steel, internal rotor magnetic steel is all curved.
Preferably, in described double magnetic circuit magneto finite angle motor, between multiple described coil groups, series, parallel or series-parallel connection connect.
Preferably, in described double magnetic circuit magneto finite angle motor, described external rotor yoke, internal rotor yoke, annular core are cylinder-like structure.
Analyze known, the present invention includes inside and outside two toroid structures, the utilance of Circular Winding can be made to double, thus improve the torque density of motor.
Accompanying drawing explanation
Fig. 1 is the main cutaway view of the embodiment of the present invention;
Fig. 2 is the profile (motor shaft 12 is not shown) along A-A line in Fig. 1;
Fig. 3 is the external rotor magnet steel of the embodiment of the present invention, internal rotor magnetic steel magnetizing direction, outer winding and interior winding energising direction schematic diagram; Wherein, stain represents that the sense of current from inside to outside, and cross hairs represents sense of current ecto-entad.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As Figure 1-3, the embodiment of the present invention comprises collar (also may comprise adjustment packing ring) 1, the support of bearing 2, bearing 3, stator support 4, interior winding 5, annular core 6, outer winding 7, external rotor magnet steel 8, external rotor yoke 9, internal rotor magnetic steel 10, internal rotor yoke 11, motor shaft 12, rotor field spider 13.
Relatively between rotor field spider 13 with motor shaft 12 be fixedly installed, motor shaft 12 is arranged in bearing 3, and stator support 4 is connected with motor shaft 12 by bearing 3, and ensures cylindricity, and rotor field spider 13 and the opposing parallel setting of stator support 4.The annular core 6 of tubular is located at the edge of stator support 4, external rotor yoke 9, internal rotor yoke 11 are in tubular, and be all located at the marginal portion of rotor field spider 13, external rotor yoke 9 is positioned at outside internal rotor yoke 11, that is internal rotor yoke 11 is less than the distance at the center of external rotor yoke 9 and rotor field spider 13 with the distance at the center of rotor field spider 13, and annular core 6 stretches into annular groove-shaped gap therebetween.The material of external rotor yoke 9 and internal rotor yoke 11 is permeability magnetic material.Same extremely under, the magnetic direction of internal rotor magnetic steel 10 and external rotor magnet steel 8 is contrary.
External rotor magnet steel 8 is fixed, and such as bond, outside rotor yoke 9 inner surface, external rotor magnet steel 8 and external rotor yoke 9 form external rotor; Internal rotor magnetic steel 10 is fixed, and such as bond, at internal rotor yoke 11 outer surface, internal rotor magnetic steel 10 and internal rotor yoke 11 form internal rotor, and that is this rotor is functionally divided into internal rotor and external rotor two parts.Structure glue can be adopted in reality to realize bonding.Inner and outer Rotator ensures that rotor field spider 13 connects motor shaft 12 with one heart, motor shaft 12 output mechanical power by being fixed on rotor field spider 13 simultaneously.External rotor yoke 9, internal rotor yoke 11, external rotor magnet steel 8 and internal rotor magnetic steel 10 are coaxial.
The stator of the present embodiment is arranged between internal rotor and external rotor, and it comprises outer winding 7, interior winding 5, annular core 6 and stator support 4.Annular core 6 is cylinder type, and outer surface presses axially even one or more layers winding of coiling of ring-shaped core, and wherein, the winding be positioned at outside annular core 6 is outer winding 7, and the winding be positioned at inside annular core is winding 5.And interior winding 5 can be in series by multiple coil groups with outer winding 7, in other examples, also can be formed in parallel by multiple coil groups, can also be formed by connecting by multiple coil groups series-parallel connection, the quantity of coil groups is determined according to motor pole number, in Fig. 2, motor progression is 4, and the quantity of coil groups is 4.The corresponding internal rotor of interior winding 5, namely, winding 5 and internal rotor are positioned at the same side (inner side) of annular core 6; The corresponding external rotor of outer winding 7, namely outer winding 7 and external rotor are positioned at the same side (outside) of annular core 6.There is interior air gap between internal rotor magnetic steel 10 and interior winding 5, between external rotor magnet steel 8 and outer winding 7, there is outer air gap.Internal rotor yoke 11 (interior conductive magnetic yoke), internal rotor magnetic steel 10, interior winding 5, interior air gap become internal magnetic circuit with annular core 6 row; External rotor yoke 9 (outer conductive magnetic yoke), external rotor magnet steel 8, outer winding 7, outer air gap become external magnetic circuit with annular core 6 row; Inside and outside double magnetic circuit shares annular core.The material of annular core 6 is permeability magnetic material.The sense of current passed in interior winding 5 and outer winding 7 is contrary.The axial annular of coil groups one or more layers annularly iron core 6 is regularly wrapped on annular core 6, interior winding 5 and outer winding 7 are the diverse location of same coil winding on annular core, interior winding 5 and outer winding 7 are that the diverse location of same coil winding on annular core 6 is formed, being interior winding inside annular core 6, is outer winding outside annular core 6.
Preferably exist, in the rotor of the present embodiment, the section of external rotor magnet steel 8 and internal rotor magnetic steel 10 is curved tile like structure, and magnet steel quantity is determined according to motor pole number.And the inner and outer Rotator magnet steel magnetizing direction of correspondence position is contrary.The shape of external rotor magnet steel 8 and internal rotor magnetic steel 10 can also be rectangle or other shapes, and the present embodiment does not specifically limit its shape.The curved external rotor magnet steel 8 of section is preferably concentric with the external rotor yoke 9 in tubular, and the curved internal rotor magnetic steel 10 of section is preferred concentric with the internal rotor yoke 11 being tubular.
The present embodiment operationally, when passing into direct current in interior winding 5 with outer winding 7, for arbitrary extremely under, because winding 5 interior during coiling is contrary with outer winding 7 direction, interior winding 5 is also contrary with the sense of current passed through in outer winding 7, and interior winding 5 is under the magnetic field of different magnetizing direction just from outer winding 7, make interior winding 5, outer winding 7 Impact direction identical, acting in conjunction output torque.Inside and outside winding is all utilized, and improves the torque density of motor.
When interior winding 5, outer winding 7 pass into reciprocal direct current, can judge that from Fig. 3 motor can produce reciprocal torque, realize the counter motion of motor, in figure 3, the direction of arrow in external rotor magnet steel 8, internal rotor magnetic steel 10 represents the magnetizing direction in it.Double magnetic circuit magneto finite angle motor is particularly useful for using as driving element in scanning system and servo system.
In the drawings, the present embodiment is 4 to be described with motor pole number, it will be appreciated by those skilled in the art that and also can be designed as other number of poles, with the demand of satisfied different occasion to different moment and angle range.
In sum, the present invention includes inside and outside two toroid structures, this kind of structure makes the utilance of Circular Winding double, take full advantage of winding, thus improve the torque density of motor, the problem that volume is large, moment is little, torque density is low that existing annular core type finite angle motor causes because winding utilization is low can be solved, can as driving element etc. in scanning system and servo drive system.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (5)
1. a double magnetic circuit magneto finite angle motor, comprises discoid stator support, rotor field spider, and described stator support, rotor field spider are coaxial and be arranged in parallel, it is characterized in that, also comprises:
External rotor yoke and internal rotor yoke, described external rotor yoke, internal rotor yoke are fixed on the same side of described rotor field spider, and described internal rotor yoke is positioned at the inside of described external rotor yoke, between described internal rotor yoke and described external rotor yoke, be provided with annular gap;
External rotor magnet steel, is fixed on the inner surface of described external rotor yoke;
Internal rotor magnetic steel, is fixed on the outer surface of described internal rotor yoke, and described external rotor magnet steel is oppositely arranged one by one, and the magnetizing direction of the described internal rotor magnetic steel of correspondence position, external rotor magnet steel is contrary;
Annular core, described annular core is fixed on the side of described stator support, and described annular core stretches in described annular gap;
Interior winding and outer winding, for multiple coil groups, wherein each coil groups is wrapped in the inner surface of described annular core by same coil along the axis of described annular core, outer surface formed, the inner side of described annular core is described interior winding, the outside of described annular core is outer winding, and the quantity of the quantity of described coil groups and described external rotor magnet steel, internal rotor magnetic steel is all equal.
2. double magnetic circuit magneto finite angle motor according to claim 1, it is characterized in that, described external rotor magnet steel is bonded in the inner surface of described external rotor yoke, and described internal rotor magnetic steel is bonded in the outer surface of described internal rotor yoke.
3. double magnetic circuit magneto finite angle motor according to claim 1, it is characterized in that, the section of described external rotor magnet steel, internal rotor magnetic steel is all curved.
4. double magnetic circuit magneto finite angle motor according to claim 1, is characterized in that, between multiple described coil groups, series, parallel or series-parallel connection connect.
5., according to the arbitrary described double magnetic circuit magneto finite angle motor of claim 1-4, it is characterized in that, described external rotor yoke, internal rotor yoke, annular core are cylinder-like structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510199085.5A CN104795950A (en) | 2015-04-23 | 2015-04-23 | Double-magnetic-circuit permanent magnet type limited angle motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510199085.5A CN104795950A (en) | 2015-04-23 | 2015-04-23 | Double-magnetic-circuit permanent magnet type limited angle motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104795950A true CN104795950A (en) | 2015-07-22 |
Family
ID=53560545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510199085.5A Pending CN104795950A (en) | 2015-04-23 | 2015-04-23 | Double-magnetic-circuit permanent magnet type limited angle motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104795950A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105217423A (en) * | 2015-09-21 | 2016-01-06 | 苏州润吉驱动技术有限公司 | A kind of safety and energy-saving permanent magnetic synchronous traction machine |
| CN106655672A (en) * | 2017-03-03 | 2017-05-10 | 福建亚南电机有限公司 | Permanent magnet double-stator-rotor high-torque-density hub motor device |
| CN106972719A (en) * | 2017-05-19 | 2017-07-21 | 宁德时代电机科技有限公司 | A kind of high-power density permanent magnetic double external rotor air compressor motor device |
| CN109742882A (en) * | 2019-02-22 | 2019-05-10 | 王鸿 | A kind of motor |
| CN111490656A (en) * | 2020-04-20 | 2020-08-04 | 中国北方车辆研究所 | Novel motor structure |
| CN111740516A (en) * | 2020-07-28 | 2020-10-02 | 安徽江淮汽车集团股份有限公司 | Radial magnetic flux permanent magnet type direct current motor |
| CN113014013A (en) * | 2019-12-20 | 2021-06-22 | 新疆金风科技股份有限公司 | Rotor support, rotor, motor and wind generating set |
| CN117614163A (en) * | 2024-01-17 | 2024-02-27 | 北京中航科电测控技术股份有限公司 | Joint module motor and joint module for humanoid robot |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1571250A (en) * | 2003-07-25 | 2005-01-26 | 陈明灯 | Birotor DC brushless motor |
| JP2008048490A (en) * | 2006-08-11 | 2008-02-28 | Mitsuba Corp | Slotless motor |
| CN101227108A (en) * | 2007-11-19 | 2008-07-23 | 哈尔滨工业大学 | Polyphase synchronous machine of concentrated winding structure |
| CN101320923A (en) * | 2007-06-05 | 2008-12-10 | 上海星之辰电气传动技术有限公司 | Winding of electrical machine with switch-over mechanism |
| CN102025238A (en) * | 2010-11-05 | 2011-04-20 | 中国船舶重工集团公司第七0七研究所 | Novel limited rotating angle direct-current moment motor |
| CN102403857A (en) * | 2011-11-17 | 2012-04-04 | 东南大学 | Stator surface-mounted doubly salient permanent-magnet motor with complementary winding magnetic paths |
| CN103166337A (en) * | 2013-01-30 | 2013-06-19 | 东南大学 | Double-speed winding switch reluctance motor |
| CN103259350A (en) * | 2013-03-22 | 2013-08-21 | 东南大学 | Double-speed winding magnetic flow switching type motor |
| CN103683769A (en) * | 2013-12-24 | 2014-03-26 | 哈尔滨工业大学 | Non-magnetic yoke structure permanent magnet limited angle motor |
| CN204517604U (en) * | 2015-04-23 | 2015-07-29 | 中国电子科技集团公司第二十一研究所 | Double magnetic circuit magneto finite angle motor |
-
2015
- 2015-04-23 CN CN201510199085.5A patent/CN104795950A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1571250A (en) * | 2003-07-25 | 2005-01-26 | 陈明灯 | Birotor DC brushless motor |
| JP2008048490A (en) * | 2006-08-11 | 2008-02-28 | Mitsuba Corp | Slotless motor |
| CN101320923A (en) * | 2007-06-05 | 2008-12-10 | 上海星之辰电气传动技术有限公司 | Winding of electrical machine with switch-over mechanism |
| CN101227108A (en) * | 2007-11-19 | 2008-07-23 | 哈尔滨工业大学 | Polyphase synchronous machine of concentrated winding structure |
| CN102025238A (en) * | 2010-11-05 | 2011-04-20 | 中国船舶重工集团公司第七0七研究所 | Novel limited rotating angle direct-current moment motor |
| CN102403857A (en) * | 2011-11-17 | 2012-04-04 | 东南大学 | Stator surface-mounted doubly salient permanent-magnet motor with complementary winding magnetic paths |
| CN103166337A (en) * | 2013-01-30 | 2013-06-19 | 东南大学 | Double-speed winding switch reluctance motor |
| CN103259350A (en) * | 2013-03-22 | 2013-08-21 | 东南大学 | Double-speed winding magnetic flow switching type motor |
| CN103683769A (en) * | 2013-12-24 | 2014-03-26 | 哈尔滨工业大学 | Non-magnetic yoke structure permanent magnet limited angle motor |
| CN204517604U (en) * | 2015-04-23 | 2015-07-29 | 中国电子科技集团公司第二十一研究所 | Double magnetic circuit magneto finite angle motor |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105217423A (en) * | 2015-09-21 | 2016-01-06 | 苏州润吉驱动技术有限公司 | A kind of safety and energy-saving permanent magnetic synchronous traction machine |
| CN106655672A (en) * | 2017-03-03 | 2017-05-10 | 福建亚南电机有限公司 | Permanent magnet double-stator-rotor high-torque-density hub motor device |
| CN106972719A (en) * | 2017-05-19 | 2017-07-21 | 宁德时代电机科技有限公司 | A kind of high-power density permanent magnetic double external rotor air compressor motor device |
| CN109742882A (en) * | 2019-02-22 | 2019-05-10 | 王鸿 | A kind of motor |
| CN113014013A (en) * | 2019-12-20 | 2021-06-22 | 新疆金风科技股份有限公司 | Rotor support, rotor, motor and wind generating set |
| CN113014013B (en) * | 2019-12-20 | 2023-06-09 | 新疆金风科技股份有限公司 | Rotor support, rotor, motor and wind generating set |
| CN111490656A (en) * | 2020-04-20 | 2020-08-04 | 中国北方车辆研究所 | Novel motor structure |
| CN111740516A (en) * | 2020-07-28 | 2020-10-02 | 安徽江淮汽车集团股份有限公司 | Radial magnetic flux permanent magnet type direct current motor |
| CN117614163A (en) * | 2024-01-17 | 2024-02-27 | 北京中航科电测控技术股份有限公司 | Joint module motor and joint module for humanoid robot |
| CN117614163B (en) * | 2024-01-17 | 2024-04-19 | 北京中航科电测控技术股份有限公司 | Joint module motor and joint module for humanoid robot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104795950A (en) | Double-magnetic-circuit permanent magnet type limited angle motor | |
| US8004141B2 (en) | Two-phase brushless DC motor | |
| CN109660100B (en) | Linear rotation two-degree-of-freedom permanent magnet motor | |
| JP6269818B2 (en) | Double stator type switched reluctance rotating machine | |
| CN204517604U (en) | Double magnetic circuit magneto finite angle motor | |
| US9837867B2 (en) | Electric machine, rotor and associated method | |
| US10256686B2 (en) | Rotor and method for producing a rotor | |
| CN101577448A (en) | Fan-shaped motor | |
| CN104953781B (en) | Electromagnetic linear driver | |
| US20150084451A1 (en) | Switched reluctance motor and switched reluctance apparatus for hybrid vehicles | |
| CN101997377B (en) | Multiphase winding permanent magnet brushless direct current motor as well as control method and control circuit thereof | |
| WO2020079869A1 (en) | Cylindrical linear motor | |
| CN204465161U (en) | A kind of single-phase transverse flux machine | |
| CN107425626B (en) | A kind of built-in tangential excitation vernier magneto | |
| CN105940596A (en) | Improved switched reluctance motor and switched reluctance apparatus for hybrid vehicles | |
| CN101741211B (en) | Linear motor for stirling refrigerator with axial magnetic path | |
| CN104767336A (en) | Single-phase separately-excited magneto-resistive power generator | |
| US10432076B2 (en) | Hybrid electrical machine | |
| CN108736675B (en) | Moving-coil type unipolar permanent magnet rotary linear motor | |
| CN108933508B (en) | High-speed switched reluctance motor | |
| US10357346B2 (en) | Actuator with enhanced magnetic spring function for personal care appliance | |
| JP2006223033A (en) | R-fe-b radial anisotropic sintered ring magnet and voice coil motor | |
| CN103944293A (en) | Truck having synchronous reluctance machine | |
| CN203537093U (en) | Magnetic-isolation squirrel cage outer rotor structure of stator permanent magnet double-rotor motor | |
| CN102306996A (en) | Cylindrical linear motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150722 |
|
| RJ01 | Rejection of invention patent application after publication |