CN1195918A - Acyclic dc electric machine - Google Patents
Acyclic dc electric machine Download PDFInfo
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- CN1195918A CN1195918A CN 97108015 CN97108015A CN1195918A CN 1195918 A CN1195918 A CN 1195918A CN 97108015 CN97108015 CN 97108015 CN 97108015 A CN97108015 A CN 97108015A CN 1195918 A CN1195918 A CN 1195918A
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Abstract
The acyclic direct-current machine is formed from stator, rotor and armature coil, etc., in which the armature coil is mounted on the support core body, and one edge of unit coil of said armature coil is placed in the through-channel of the magnetic conductivity support core body, and the projection of said magnetic conductivity support core body and magnetic yoke of stator or magnetic yoke of rotor are tightly abutted to implement magnetic shielding for said edge, and another edge of the unit coil is placed in air-gap magnetic field to implement electro-mechanical energy conversion by means of interaction with the magnetic field. Its rotor is made into the form of flange or cylinder body, and the stator is made up in the form of rectangular body. Said invented acyclic direct-current machine is strong in rigidity, can implement brushless structure, and can save energy and material, and easy to maintain, etc..
Description
The present invention relates to the motor or technical field of generators aperiodic under the IC table H02K31/00, particularly a kind of one pole absence of commutator direct current machine.
General main rotor, the stator two parts of comprising of at present general motor, rotor is made of rotating shaft, iron core and winding thereof, slip ring or commutator etc.But adopt the noise of motor of commutator bigger, the mutual transfer ratio of mechanical energy and electric energy is not high, and the power output in the unit volume is little.The Chinese patent communique disclosed " a kind of one pole DC and AC universal electric machine " on January 17th, 1996, and (application number 93108129) its structure as shown in Figure 9, this patent application has tentatively realized absence of commutator, its technical scheme mainly is: rotor core is the round cup that high permeability material is made, rotor coil is evenly distributed on the iron core circumference, its one side is distributed in the teeth groove, and another side then is arranged in the through hole.Because ferro-magnetic shield effect, the magnetic flux density in the through hole are zero.Thereby the carrying object in the through hole is not subjected to the effect of electromagnetic force, makes rotor only be distributed in the ampere moment of the coil in the teeth groove and rotates.It is just for realizing that the direct current machine absence of commutator provides the technology possibility like this.But there is following defective in this patent application:
1. from the stator structure shown in Fig. 9, be not difficult to find out, because what it had a unknown element 22 exists (this is the inventive point of this application just) no matter adopt axially or radially the one pole permanent magnet of excitation substitutes its normal loop 15, the capital makes the magnetic line of force walk around the tubular air gap and short circuit, therefore, when no matter the described motor of this patent application still makes rotor by magnet exciting coil by armature winding, all need to introduce (or drawing) electric current by brush, thereby this patent application can not make motor realize non-brushing completely, therefore will limit direct current machine and apply more widely.
2. its magnetic pole of the stator can only adopt high permeability material to make a pair of coaxial circles cylinder magnetic pole, constitute the inter-air space of a tubulose, this inter-air space one end is sealed by stator yoke, the other end then opens wide, the cup-shaped rotor places this inter-air space, stressed member in the rotor can only have an end to be installed on the axle, and the air gap of this spline structure is very unfavorable for the torsional rigidity that improves rotor.
The object of the present invention is to provide a kind of rotor that can make to have sufficiently high intensity, the low-frequency ac swing motor that can make rotation (or linear) direct current machine or armature line group power frequency be lower than 5HZ is again realized non-brushing, this motor has two air gaps at least, and its rotor can have multiple planform.
The object of the present invention is achieved like this:
The present invention is made up of stator, rotor, armature coil etc., its armature coil is located on the supporting core body 3, supporting core body 3 usefulness permeability magnetic materials are made, evenly be provided with groove 19 on its side, a limit of the unit coil 2 of armature coil is the groove 19 that the 2a limit places supporting core body 3, the projection and stator (or rotor) yoke of supporting core body 3 fit tightly, and magnetic screen is carried out on the unit coil 2 and the 2a limit that are opposite to jointly in the groove 19.Another 2b limit of unit coil 2 is in commentaries on classics (moving) and the common air-gap field 7 that forms of stator, and supporting core body 3 is installed on stator or the rotor; Rotor is cylinder or flange-like body, and mover is a cuboid; Air-gap field 7 is produced by the single or multiple magnetic sources that are contained in stator and the rotor.
The present invention has significant good effect:
1. the present invention has two above air gaps, can all not be sleeved on magnetic conductor and the axle by the overslaugh permanent magnet, so rotor is cylinder or flange-like body, the rectangular body of mover, rigidity height not only, and realized non-brushing, do not need commutator and brush, improved the mutual conversion efficiency of electromechanics and electric energy, and do not have AC noise, speed adjustable range is big, and the power output in the unit volume is big.
2. applied range.Application number can only be made torque motor for the motor that 93108129 patent application provides, because the supporting core body 3 of setting of the present invention can be installed on stator component or the rotor part, therefore motor provided by the invention not only can be made torque motor, and the generator that can make the drive motors of general service and special purpose or not limited by voltage height, size of current, have better speed governing and energy feedback characteristic.
Be described in further detail concrete structure of the present invention below in conjunction with embodiment and accompanying drawing thereof.
Fig. 1 is the structural representation of one pole list magnetic circuit direct current electric rotating machine
Fig. 2 is Figure 1A-A aspect cutaway view
Fig. 3 is the structural representation of one pole list magnetic circuit direct current linear electric machine
Fig. 4 is the structural representation of one pole double magnetic circuit direct current rotary generator
Fig. 5 is the single magnetic circuit brushless excitation generator of an one pole DC excitation structural representation
Fig. 6 is the B-B direction cutaway view of Fig. 5
Fig. 7 is an one pole list magnetic circuit external rotor DC motor structure schematic diagram
Fig. 8 is an one pole list magnetic circuit magnetic hysteresis rotor core DC motor structure schematic diagram
Fig. 9 is the structure chart of application number 93108129 patent applications
Wherein: 1. casing; 2. unit coil; 2a is by the magnetic screen limit; The 2b working edge; 3. supporting core body; 4. pole shoe; 5. guide rail; 6,6 ' permanent magnet; 7,7 ', 7 " air-gap fields; 8. conductor magnetic; The axle; 10. bearing; 11,11 ' end cap; 12. magnet retainer; 13. stator magnetic conductance; 14. key; 15. magnet exciting coil; 16. rotor magnetic conductance; 17. rotor flange; 18. magnetic hysteresis body; 19,19 ' groove, 20. outer magnetic poles; 21. internal magnetic pole; 22. unknown element
Embodiment 1:
As depicted in figs. 1 and 2, present embodiment is for adopting the one pole list magnetic circuit brushless direct-current turning motor of the technology of the present invention.Its stator is served as by magnetic conductivity casing 1, armature coil is installed on the supporting core body 3 of annular, the 2a limit of unit coil 2 places the axial pass trough of offering on the outer wall of supporting core body 3 19, and the outer wall of the inwall of casing 1 and supporting core body 3 fits tightly, and links together with key 14; The 2a limit of unit coil 2 is directly by casing 1 and 3 magnetic screens of supporting core body; Its 2b limit be in the interleaved axial pass trough of establishing 19 on the supporting core body inwall ' in.Rotor is by axle 9, magnetic conductor 8 and two permanent magnets 6 that are cascaded and 6 ' form, magnetic conductor is sleeved on the axle 9 altogether, permanent magnet 6 and 6 ' diameter identical with wall thickness, all be sleeved on the magnetic conductor 8, wherein the inwall of permanent magnet 6 is that the S utmost point, outer wall are the N level, permanent magnet 6 ' polarity opposite with permanent magnet 6 then; Axle 9 two ends are installed on the bearing 10, bearing 10 be installed in the end cap 11 and 11 at casing 1 two ends ' the middle part.The permanent magnet 6 and 6 of two series connection ' and the inwall of supporting core body 3 between form two air-gap fields 7 and 7 ', the 2b limit of unit coil is subjected to the effect of the Ampere force of air-gap field 7, drives rotor and press the ω direction around the center line of axle 9 and rotate, its turning moment is:
M＝N.BILD/2
Wherein N is the number of turn of unit coil, and B is the magnetic density of air-gap field 7, and I is the current strength that flows in the armature coil, and L is the effective length of working edge 2b, and D is a root diameter.(following identical).
Otherwise if allow rotor rotate around axle 9 by the ω rotating speed, then armature coil produces induced electromotive force and induced current
ε＝NBL.D/2.ω
Wherein ω is a spinner velocity.
The working gas gap magnetic field of present embodiment is cylindrical, and two ends are not all sealed, permanent magnet 6 to 6 ' be sleeved on that two, back all is contained on the axle 9 on the magnetic conductor 8, whole rotor is cylindric, the intensity height can be realized non-brushing completely.Embodiment 2:
Present embodiment is for adopting the one pole list magnetic circuit direct current linear electric machine of the technology of the present invention, as shown in Figure 3, its mover is cuboid permanent magnet 6, pole shoe 4, nonmagnetic magnet retainer 12 compositions, wherein permanent magnet 6 is installed on the magnet retainer 12, the two-stage of permanent magnet 6 is equipped with pole shoe 4, the magnet retainer is installed on the guide rail 5, and rigidity is strong.Stator is served as by magnetic conductivity casing 1, and the lateral surface of supporting core body 3 and the medial surface of casing 1 are close together, and the 2a limit of unit coil 2 places the groove of offering on supporting core body 3 lateral surfaces 19, is close to together casing 1 and 3 magnetic screens of supporting core body.The another side 2b limit of unit coil 2 be exposed to two air- gap fields 7 and 7 of setting up through pole shoe by permanent magnet 6 ' in.Because stator cage 1 is motionless, feed electric current in the armature winding coil after because the effect of Ampere force, permanent magnet 6 is taken with magnet retainer 12, magnetic boots 4 along the direction of guide rail 5 with speed V translation forward, its power that is subjected to is F=N.BIL; Otherwise, when mover during, promptly there are induced electromotive force and induced current to produce in the unit coil 2 with speed V translation, induced electromotive force is ε=NBL.V.Wherein V is the speed of mover translation, and is surplus the same.Embodiment 3:
Present embodiment is the one pole double magnetic circuit direct current rotary generator that adopts the technology of the present invention, as shown in Figure 4, its rotor by two permanent magnets 6,6 ', magnetic pole piece 4 forms, all be directly installed on spools 9, permanent magnet 6 and 6 ' place the two ends of pole shoe 4 respectively, rigidity is strong.Permanent magnet 6 and 6 ' with pole shoe 4 contacted ends be the N utmost point; Be the S utmost point with end cap 11 and 11 ' contacted other end respectively; Between supporting core body 3 and pole shoe 4 boots and two end caps 11 and 11 ' and permanent magnet 6 and 6 ' between 3 air gaps 7,7 of formation ', 7 ".Present embodiment has two magnetic circuits, the first is from the N utmost point of permanent magnet 6, interact with the 2b limit of unit coil 2 through pole shoe 4, air gap 7, walk around the 2a limit of unit coil 2 through supporting core body 3, again through stator cage 1 left side left end magnetic conductivity end cap 11, air-gap field 7 " return the S utmost point of permanent magnet; Another road of the magnetic line of force is from permanent magnet 6 ' and the N utmost point, also pass through pole shoe 4, air gap 7, interact with the working edge 2b of unit coil, the magnetic of walking around unit coil 2 toward supporting core body 3 covers limit 2a, again through the right-hand member magnetic conductivity end cap 11 of the right-hand part of casing 1 ', air gap 7 ' return permanent magnet 6 ' the S utmost point.
According to faraday electromagnetic induction, when rotor rotated with ω radian per second (rad/s), its induced electromotive force was:
ε＝N.B.L.D/2.ω
Otherwise when armature winding feeding electric current was I, the turning moment of generation was:
M=N.I.BLD/2 embodiment 4:
Present embodiment is the single magnetic circuit brushless excitation generator of the one pole DC excitation that adopts the technology of the present invention.As shown in Figure 5 and Figure 6, different is that it does not have permanent magnet for present embodiment and embodiment 1, and stator magnetic conductance 13, rotor magnetic conductance 16 and magnet exciting coil 15 have been increased, wherein mover magnetic conductance 16 is sleeved on the axle 9, armature coil and supporting core body 3 thereof are installed on the rotor magnetic conductance 16 by key 14, the 2a limit of the unit coil of armature coil places the axial pass trough 19 of supporting core body 3 inwalls, the outer wall copybook of supporting core body 3 inwalls and rotor magnetic conductance 16 together, common 2a limit magnetic screen to unit coil 2.Stator magnetic conductance 13 is close together with casing 1, and magnet exciting coil 15 is installed on the casing 1.If in magnet exciting coil 15, import exciting current, promptly form electromagnetic field H around the magnet exciting coil, axle 9 is pressed the rotation of ω direction under the driving of exterior power, because the 2a limit of unit coil 2 of groove 19 that places supporting core body 3 is by magnetic screen, its working edge 2b can produce induced electromotive force ε=N.B.L.D/2. ω under the effect of electromagnetic field H.Present embodiment have two columnar air gaps 7 and 7 ', rotor part is a cylinder, rigidity is big, can realize non-brushing.Embodiment 5:
Present embodiment is for adopting the one pole list magnetic circuit external rotor DC motor of the technology of the present invention, as shown in Figure 7, the stator of this motor is the magnetic conductivity ring flange 17 that is fixed on the axle 9, and armature coil and circular ring type magnetic conductivity thereof supporting core body 3 respectively is housed on the disc of the two ends of ring flange 17; Interleavedly on two of core body 3 ends of the supporting discs establish the anchor ring that radially groove (19), supporting core body 3 contact with ring flange 17 and partly be close to common 2a limit magnetic screen mutually unit coil 2; Its rotor is installed in the outside of stator, by magnetic conductivity casing 1, magnetic conductivity end cap 11 and 11 ', non-magnetic circular ring type retainer 12, permanent magnet 6, pole shoe 4 and bearing 10 are formed, two retainers 12 respectively with two end caps 11 and 11 ' link together, even distribution axially extending bore on its torus is placed permanent magnet 6 in the hole; The polarity of the permanent magnet of the same side is identical in the through hole of retainer 12, and the permanent magnet in two retainer through holes is the series connection shape; On another anchor ring of retainer 12 pole shoe 4 is housed, the 2b limit of unit coil 2 places the air-gap field 7 that forms between another anchor ring of pole shoe 4 and supporting core body 3.Because of axle 9 is fixed, ring flange 17, supporting core body 3 and on armature coil but can not rotate, as feeding electric current in the armature coil, the rotor that then is contained in stator outside is subjected to the effect of Ampere force and rotates, suffered moment is:
M＝NBILD/2
Otherwise,, can on stator, produce induced electromotive force: ε=BLD/2 ω if external rotor rotates with ω speed.The motor of this structure is suitable for occasions such as electric wheel, automobile window glass up-down motor, lathe turntable, ceiling fan.Embodiment 6:
Present embodiment is the one pole list magnetic circuit magnetic hysteresis rotor core DC motor that adopts the technology of the present invention.As shown in Figure 8, its stator is made up of casing 1, end cap 11, magnet exciting coil 15, and wherein magnet exciting coil 15 places between two armature coils and the supporting core body 3 thereof and is fixed on the casing 1; Rotor is by axle 9 and be contained in the cylindrical magnetic hysteresis body 18 of axle on 9 and constitute, the interleaved face of cylinder, the outside and the casing 1 of establishing axial pass trough 9, supporting core body 3 is close together on the inboard face of cylinder of supporting core body 3, be opposite to the 2a limit magnetic screen of the unit coil 2 in the groove 19 jointly, the magnetic polarity and the remnant field size of the electromagnetic field control magnetic hysteresis body 18 that magnet exciting coil produces; The 2b limit of unit coil 2 places the air-gap field 7 that forms by between magnetic hysteresis body 18 and two the supporting core body 3.When the exciting current direction of magnet exciting coil 15 constant (as magnet exciting coil by rectifier bridge and main circuit serial or parallel connection time) but the remanent magnetism size or air-gap field 7 magnetic flux density of size magnetic hysteresis body 18 when changing just change according to magnetic hysteresis loop B=B (H)=F (I), the rotating speed of motor is also just done nonlinear variation, when the sense of current of unit coil 2 changes, the rotary speed direction of rotor also changes thereupon, and the suffered moment of rotor is:
M＝NB(H)IL.D/2＝N.F(I).I.L.D/2
Induced potential during generating is ε=N.F (I) .L.D/2. ω
When magnet exciting coil 15 and the direct series and parallel of main circuit, current value is even as big as changing the polarity chron of hysteresis material if the sense of current changes, because the sense of current of unit coil 15 and the polarity of magnetic hysteresis body 18 have all changed, just turning to of motor rotor can still remain unchanged, thereby when energising pivot electric current be low frequency (0～5HZ) time, turning to of motor will remain unchanged (preferably square wave or square wave).
This motor mainly be applicable to vibration can cause the magnet loss of excitation occasion (this moment magnetic hysteresis body 18 also can change permanent magnet into) no matter and electric power polarity how, rotor turns to all consistent occasion.
Claims (7)
1. acyclic dc electric machine, by stator, rotor, compositions such as armature coil, the unit coil of armature coil (2) has a limit (2a) by magnetic screen, it is characterized in that armature coil is located on the supporting core body (3), support core body and function permeability magnetic material is made, evenly be provided with groove (19) on its side, a limit (2a) of the unit coil of armature coil (2) places the groove (19) of supporting core body (3), ledge between the groove (19) fits tightly with the yoke made from permeability magnetic material, jointly magnetic screen is carried out on (2a) limit of the unit coil (2) in the groove (19); Another limit (2b) of unit coil (2) is in commentaries on classics (moving) and the common air-gap field (7) that forms of stator; Supporting core body (3) is installed on stator or the rotor; Rotor is cylinder or flange-like body, and mover is a cuboid; Single or multiple magnetic sources produce air-gap field (7) in stator and the rotor by being contained in.
2. acyclic dc electric machine according to claim 1, it is characterized in that stator is served as by magnetic conductivity casing (1), armature coil is installed on the supporting core body (3) of annular, (2a) limit of the unit coil of armature coil (2) places the axial pass trough of offering on the outer wall of supporting core body (3) (19), the inwall of casing (1) fits tightly with the outer wall of supporting core body (3), and links together with key (14); Also offer axial pass trough (19 ') on the inwall of supporting core body (3), and offer with groove (19) is staggered; The 2b limit of unit coil places the groove (19 ') on the inwall that supports core body (3); Its rotor is by magnetic conductor (8), two identical permanent magnets (6) and (6 '), axle (9) is formed, wherein magnetic conductor (8) is sleeved on the axle (9), the permanent magnet of two series connection (6) and (6 ') all are sleeved on the magnetic conductor (8), the inwall of one of them permanent magnet is the S utmost point, and outer wall is outward the N utmost point, and the polarity of another permanent magnet is then opposite; The two ends of axle (9) are installed on the bearing (10), and bearing (10) is installed in the end cap (11) at casing (1) two ends and the middle part of (11 '); Form two air-gap fields (7) and (7 ') between the inwall of the permanent magnet of two series connection (6) and (6 ') and supporting core body (3).
3. acyclic dc electric machine according to claim 1 and 2 is characterized in that its rotor is made up of permanent magnet (6) and (6 '), pole shoe (4), and the three all is directly installed on the axle (9), and permanent magnet (6) and (6 ') place the both sides of pole shoe (4) respectively; Two permanent magnets and pole shoe (4) contravention that joins is the N utmost point, is the S utmost point with end cap (11) and (11 ') contravention that joins respectively; Three air gaps of formation between supporting core body (3) and the pole shoe (4) and between two end caps (11) and (11 ') and two permanent magnets (6) and (6 ') (7,7 ', 7 ")
4. acyclic dc electric machine according to claim 1 and 2, it is characterized in that its rotor is made up of rotor magnetic conductance (16), armature coil and supporting core body (3) thereof, its rotor magnetic conductance (16) is sleeved on the axle (9), armature coil and supporting core body (3) thereof are installed on the rotor magnetic conductance (16) by key (14), the 2a limit of unit coil 2 places the axial pass trough (19) of supporting core body (3) inwall, the inwall of supporting core body (3) and the outer wall of rotor magnetic conductance (16) are close together, common 2a limit magnetic screen to unit coil 2; Stator magnetic conductance (13) is close together with casing (1), and magnet exciting coil (15) is installed on the casing (1), forms air-gap field (7) between stator magnetic conductance (13) and the supporting core body (3), and the 2b limit of unit coil 2 places air-gap field (7).
5. acyclic dc electric machine according to claim 1 and 2, it is characterized in that its stator is for being fixed on the magnetic conductivity ring flange (17) on the axle (9), the staggered radially groove (19) of offering of two end discs of armature coil and circular ring type magnetic conductivity thereof supporting core body (3), supporting core body (3) respectively is housed on the two ends disc of ring flange (17), the disc part that supporting core body (3) contacts with ring flange (17) is close to mutually, common 2a limit magnetic screen to unit coil 2; Its rotor is installed in the outside of stator, is made up of magnetic conductivity casing (1), magnetic conductivity end cap (11) and (11 '), non-magnetic circular ring type retainer (12), permanent magnet (6), pole shoe (4) and bearing (10).Wherein two retainers (12) link together with two end caps (11) respectively, even distribution axially extending bore on its ring body, place permanent magnet (6) in the hole, the polarity of the permanent magnet of same side (6) is identical in the through hole of retainer (12), and the permanent magnet in two retainer through holes is the series connection shape; Pole shoe (4) is housed on another anchor ring of retainer (12); The 2b limit of unit coil 2 places the air-gap field (7) that forms between another anchor ring of pole shoe (4) and supporting core body (3).
6. acyclic dc electric machine according to claim 1 and 2, it is characterized in that its stator is made up of casing (1), end cap (11), magnet exciting coil (15), wherein magnet exciting coil (15) places between two armature coils and the supporting core body (3) thereof and is fixed on the casing (1); Rotor is by axle (9) and be contained in the cylindrical magnetic hysteresis body (18) of axle on (9) and constitute, the interleaved axial pass trough (19) of establishing on the inside and outside cylindrical side of two armature coils and cylindrical bearing core body (3) thereof, the outside cylinder side and the casing (1) of supporting core body (3) are close together, be opposite to the 2a limit magnetic screen of the unit coil 2 in the groove (19) jointly, the magnetic polarity of the electromagnetic field control magnetic hysteresis body (18) that magnet exciting coil produces and the size of remnant field, unit coil 2 and 2b limit place the air-gap field (7) that forms by between magnetic hysteresis body (18) and two the supporting core bodys (3).
7. acyclic dc electric machine according to claim 1, it is characterized in that its mover is by rectangle permanent magnet (6), pole shoe (4), non magnetic magnet retainer (12) is formed, permanent magnet (6) is installed on the magnet retainer (12), pole shoe (4) is equipped with at the two poles of the earth of permanent magnet (6), and magnet retainer (12) is installed on the guide rail (5); Stator is served as by magnetic conductivity casing (1), the lateral surface of supporting core body (3) and the inboard inner close fitting of casing (1) are together, the 2a limit of unit coil 2 places the groove of offering on supporting core body (3) lateral surface (19), be close to together casing (1) and the magnetic screen of supporting core body (3), the 2b limit of unit coil 2 is in by permanent magnet 6 in the air-gap field (7) that pole shoe (4) is set up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97108015 CN1195918A (en) | 1997-04-10 | 1997-04-10 | Acyclic dc electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97108015 CN1195918A (en) | 1997-04-10 | 1997-04-10 | Acyclic dc electric machine |
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| Publication Number | Publication Date |
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| CN1195918A true CN1195918A (en) | 1998-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97108015 Pending CN1195918A (en) | 1997-04-10 | 1997-04-10 | Acyclic dc electric machine |
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| CN (1) | CN1195918A (en) |
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- 1997-04-10 CN CN 97108015 patent/CN1195918A/en active Pending
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| WO2017091918A1 (en) * | 2015-11-30 | 2017-06-08 | 徐立民 | Homopolar direct current electromagnetic motor and application system thereof |
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| CN110048570A (en) * | 2018-04-12 | 2019-07-23 | 熵零技术逻辑工程院集团股份有限公司 | A kind of motor |
| CN109936272A (en) * | 2018-04-12 | 2019-06-25 | 熵零技术逻辑工程院集团股份有限公司 | A kind of magnetic monopole motor |
| CN109873546A (en) * | 2018-04-12 | 2019-06-11 | 熵零技术逻辑工程院集团股份有限公司 | A kind of impeller calutron |
| CN109995218A (en) * | 2018-07-30 | 2019-07-09 | 熵零技术逻辑工程院集团股份有限公司 | A kind of motor |
| CN111446784A (en) * | 2020-04-17 | 2020-07-24 | 无锡全电晖源电气合伙企业(有限合伙) | Brushless alternating-current generator |
| CN112436634A (en) * | 2020-11-16 | 2021-03-02 | 山东大学 | External rotor magnetic monopole motor and motor equipment |
| CN114156040A (en) * | 2021-11-05 | 2022-03-08 | 北京大学 | Uniform magnetic field generating device of strong magnetic field low-leakage positive and negative electron magnetic spectrometer |
| CN114156040B (en) * | 2021-11-05 | 2022-06-14 | 北京大学 | Uniform magnetic field generating device of strong magnetic field low-leakage positive and negative electron magnetic spectrometer |
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