CN207819737U - A kind of combined magnetic force transmission compound machine - Google Patents
A kind of combined magnetic force transmission compound machine Download PDFInfo
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- CN207819737U CN207819737U CN201721253386.2U CN201721253386U CN207819737U CN 207819737 U CN207819737 U CN 207819737U CN 201721253386 U CN201721253386 U CN 201721253386U CN 207819737 U CN207819737 U CN 207819737U
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Abstract
The utility model discloses a kind of combined magnetic forces to be driven compound machine, including casing, end cap, the motor control box of built-in motor controller and armature spindle and the main motor, auxiliary-motor, passive magnetic driver, Hall sensor, the active magnetic driver that are installed in casing.It is characterized in that：Casing is connected among two end caps, and the motor control box is fixed on end cap；Main motor, auxiliary-motor are distributed in casing in same heart shaped, and main motor includes opposite main rotor, main stator at the center of casing, and auxiliary-motor includes that opposite secondary rotor, secondary stator are distributed in planetary around main motor；Passive magnetic driver is fixed on main rotor outer rim, and active magnetic driver is fixed between secondary stator；Hall sensor is fixed between active magnetic sensor and secondary stator, or is fixed between the passive magnetic driver of main rotor outer rim；Main motor carries out energy transmission with active magnetic driver, main motor and auxiliary-motor in a manner of magnetic drives.The utility model category motor manufacture technology field, can be used as motor or generator, realizes energy-saving, environmentally protective purpose.The utility model sample is shown in attached drawing 1.
Description
Technical field
It is especially a kind of that magnetic gear and magneto are combined into one the invention belongs to motor manufacture technology field
Compound machine.
Background technology
Conventional motors, even disc type electric machine, are restricted by scientific and technological level, by traditional material and mechanical processing technique
It restricts, includes mainly rotor, stator or electric machine controller, simple in structure, have a single function, volume, quality, consume energy larger, power
Factor is smaller.With being constantly progressive for human society scientific and technological level, as high-performance rare-earth permanent magnet material is in design of electrical motor
Successful application, especially with the design of magnetic gear, research and the development of application, volume becomes smaller, quality becomes smaller, power factor
The function composite motor of raising may be implemented.
Modern drive system always tends to the magnetic drives of variable-ratio, can save mechanical gear transmission system in this way,
The vibration and noise that mechanical gear is brought are eliminated, and reduces mechanical loss, obtains higher system effectiveness, it is energy saving.
Existing compound machine is to integrate concentric type magnetic gear with permanent magnet synchronous motor, makes it can speed governing
It again can speed change.There are many forms for existing compound machine, but quovis modo, common drawback are：(1) permanent magnet dosage
Greatly；(2) Distribution of Magnetic Field is complicated, and design and manufacture are difficult.
Utility model content
A kind of combined magnetic force is driven compound machine, including the motor control box of casing, end cap, built-in motor controller and
Armature spindle and the main motor being installed in casing, auxiliary-motor, passive magnetic driver, Hall sensor, active magnetic transmission
Device.
It should be noted that：The casing is connected among two end caps, and secondary stator mounting hole is provided on casing or is dissipated
Hot hole；Have on the end cap main rotor shaft mounting hole, secondary rotor shaft mounting hole, built-in motor controller motor control box.
It should be noted that heat emission hole, the casing place for not interfering machine performance again opposite with end cap, setting are square one by one
Shape, circle or other shapes of hole, facilitate machine to radiate, and not only save material, and are conducive to machine performance raising.
It should be noted that：The main motor and auxiliary-motor are in same heart shaped radial distribution in casing, and main motor is in casing
Center, auxiliary-motor is distributed in around main motor in planetary.
It should be noted that：There is magnetic gap spacing, in a manner of magnetic drives between the main motor and auxiliary-motor
It carries out energy transmission or main rotor drive pair rotor or main rotor is driven by secondary rotor.
It should be noted that：The main motor includes same main rotor, main stator diametrically in casing, and main rotor is logical
It crosses the main rotor shaft being fixed on end cap to move in casing, main stator is fixed on end cap.
It should be further noted that：Main rotor is in the form of annular discs to be set on casing center, including main rotor shaft, disk
The passive magnetic driver or Hall sensor of main rotor magnetic group, outer rim, with opposite main stator by being fixed on end cap
Main rotor shaft, which mutually moves, constitutes main motor, and the main rotor magnetic group includes magnet, permanent magnetic iron or coil windings, described passive
Magnetic driver includes magnet, permanent magnetic iron or coil windings.
It should be further noted that：Used wire rod when main rotor magnetic group is coil windings, line footpath, number of share of stock, the number of turns,
Quantity, shape, arrangement mode, modes of emplacement, the mode of connection regard actual demand set or the used magnet of main rotor magnetic group or
The polarity of permanent magnetic iron, quantity, size, shape, modes of emplacement regard actual needs and set.
It should be further noted that：The structure of main rotor is not limited to the sample in attached drawing 4, wherein 116 be main rotor
Magnetic group uses permanent magnetic iron sample.
It should be further noted that：The main stator includes magnet, permanent magnetic iron or coil windings, is fixed on two ends
The periphery for covering main rotor shaft mounting hole is radially arranged with main rotor, and relative to main rotor magnetic fabric at main motor, function regards
Actual needs setting.
It should be further noted that：Wire rod, line footpath, number of share of stock, the number of turns, quantity, shape used in main stator coil windings
Shape, arrangement mode, modes of emplacement, the mode of connection regard actual demand set or the polarity of its used magnet, quantity, size,
Shape, modes of emplacement regard actual needs and set.
It should be noted that：The auxiliary-motor is made of same axially opposing secondary rotor, secondary stator in casing, secondary rotor
It is moved in secondary stator by the secondary armature spindle being fixed on end cap；Secondary stator is fixed in casing into open loop shape.
It should be further noted that secondary rotor includes secondary armature spindle, iron core, magnet, permanent magnetic iron or winding coil, if
It sets the periphery of main motor in casing and keeps certain magnetic gap spacing, by the secondary armature spindle that is fixed on end cap in pair
It is moved in stator, auxiliary-motor is constituted with secondary stator.
It should be further noted that the number of plies of secondary rotor, quantity, shape, position, function regard actual needs and set,
The polarity of magnet, quantity, size, shape, modes of emplacement regard wire rod used in actual needs setting or its coil windings,
Line footpath, number of share of stock, the number of turns, quantity, shape, arrangement mode, modes of emplacement, the mode of connection are set regarding actual demand.
It should be further noted that the periphery of main motor is arranged in casing in secondary stator, it is in planetary distribution, turns with pair
Son is opposite in same axial direction to constitute auxiliary-motor, and shape is not closed loop, and the number of plies, quantity, shape, function regard practical need
It sets.
It should be further noted that wire rod, line footpath, number of share of stock, the number of turns, quantity used in the coil windings of secondary stator,
Shape, arrangement mode, modes of emplacement, the mode of connection regard actual demand set or the polarity of its used magnet, quantity, size,
Shape, modes of emplacement regard actual needs and set.
It should be further noted that the structure of the pair rotor is not limited to the sample in attached drawing 5 with composition：124 are
Secondary rotor permanent magnet magnet sample with binding hole, 125 be adhesive type pair rotor permanent magnet magnet sample, and 126 be squirrel-cage pair rotor
Sample, 127 be winding type pair rotor sample.
It should be further noted that the composition of the auxiliary-motor pair stator is not limited to the sample in attached drawing 6：128 are
Secondary stator sample including coil windings, iron core, 129 be magneto pair stator sample.
It should be noted that：The passive magnetic driver includes permanent magnetic iron or including skeleton, iron core, coil windings,
It is placed on the outer rim of discoid main rotor, energy transmission is carried out in a manner of magnetic drives with active magnetic driver.
It should be further noted that：The polarity of passive magnetic driver permanent magnetic iron, size, shape, places position at quantity
Set regarding actual demand setting or its coil windings used in wire rod, line footpath, number of share of stock, the number of turns, quantity, shape, arrangement mode,
Modes of emplacement, the mode of connection are set regarding actual demand or the quantity of its used skeleton, shape, size, material regard practical need
Setting or the quantity of its used iron core, shape, size, material is asked to regard actual demand setting.
It should be noted that：The active magnetic driver includes permanent magnetic iron or including skeleton, iron core, coil windings,
It is placed in casing between secondary stator and stator, it is concentric with main rotor disk and keep certain distance.
It should be further noted that：The polarity of active magnetic driver permanent magnetic iron, size, shape, places position at quantity
Set regarding actual demand setting or its coil windings used in wire rod, line footpath, number of share of stock, the number of turns, quantity, shape, arrangement mode,
Modes of emplacement, the mode of connection are set regarding actual demand or the quantity of its used skeleton, shape, size, material regard practical need
Setting or the quantity of its used iron core, shape, size, material is asked to regard actual demand setting.
It should be noted that：The Hall sensor is fixed in casing between active magnetic sensor and secondary stator, or
Person is fixed in main rotor outer rim.
It should be noted that：Between, there is magnetic gap spacing between passive magnetic driver and active magnetic driver,
Energy transmission is carried out in a manner of magnetic drives：When active magnetic driver is made of winding coil, electric machine controller according to
Hall sensing very detects that the position of passive magnetic driver and polar signal intermittence adjust the power of active magnetic driver；
When active magnetic driver is made of permanent magnetic iron, electric machine controller very detects active magnetic driver according to hall sensing
Position and polar signal intermittence adjust the power of passive magnetic driver.
It should be further noted that:The structure of the active magnetic driver is not limited only to the sample in attached drawing 7
Example：130 be open type active magnetic driver skeleton sample, and 131 be rectangular formula active magnetic driver skeleton sample, and 132 are
Round active magnetic driver skeleton sample.
It should be noted that：The function of the main motor and auxiliary-motor be not fixed or as motor or
As generator, or motor not only it had been used as but also had been used as generator.
It should be noted that the main rotor, main stator, secondary rotor, secondary stator, passive magnetic driver, hall sensing
Device, both can be with single layer, can also multilayer.
It should be further noted that：The main rotor shaft, secondary armature spindle, can both stretch out end cap, can not also stretch out
End cap.
Description of the drawings
The attached drawing is schematical, does not indicate all components in the light of actual conditions, and do not press for clarity
It is drawn according to ratio.
Fig. 1 is a kind of basic element of character sample of combined magnetic force transmission compound machine.
Fig. 2 is a kind of section plan figure of combined magnetic force transmission compound machine.
Fig. 3 is a kind of exploded view of combined magnetic force transmission compound machine.
Fig. 4 is main rotor sample display diagram.
Fig. 5 is secondary rotor sample display diagram.
Fig. 6 is secondary stator sample display diagram.
Fig. 7 is active magnetic driver sample display diagram.
In figure：101, end cap, 102, electric machine controller, 103, electrical control room is installed, 104, main rotor shaft, 105, secondary turn
Sub- axis, 106, secondary rotor, 107, secondary stator, 108, main rotor, 109, secondary stator magnet group, 110, Hall sensor, 111, actively
Magnetic driver, 112, main rotor shaft mounting hole, 113, main stator, 114, secondary rotor shaft mounting hole, 115, passive magnetic drives
Device, 116, main rotor magnetic group, 117, secondary stator mounting hole, 118, tactile switch, 119, secondary rotor magnetic group, 120, heat emission hole,
121, casing, 122, main motor, 123, auxiliary-motor, 124, the secondary rotor permanent magnet magnet with binding hole, 125, adhesive type pair rotor
Permanent magnetic iron, 126, squirrel-cage pair rotor sample, 127, winding type pair rotor sample, 128 including coil windings, the pair of iron core
Stator sample, 129, magneto pair stator sample, 130, open type active magnetic driver skeleton sample, 131, rectangular formula active
Magnetic driver skeleton sample, 132, round active magnetic driver skeleton sample.
Specific implementation mode
Embodiment example one：Single layer combination formula magnetic drives composite generator.The present embodiment, setting actual demand is wind-force
Generator, power resources are natural wind, and method is main rotor shaft（104）, secondary armature spindle（105）External blade is by wind drive
Power is provided.
In present embodiment, main motor（122）Function setting is generator, main rotor magnetic group（116）Cut main stator
（113）Coil windings export electromotive force；Auxiliary-motor（123）All it is used as generator, secondary rotor（106）Magnetic group cuts corresponding pair
Stator magnet group（109）Export electromotive force：On the one hand it is active magnetic driver（111）The energy is provided to drive passive magnetic drives
Device（115）Assist main motor（122）Electromotive force is exported, electromotive force is on the other hand directly exported.
According to the principle of magnetic " attracting to repel each other ", auxiliary-motor（123）Secondary rotor（106）By pushing away in a manner of magnetic drives
Dynamic main rotor（108）On passive magnetic driver（115）Increase main rotor（108）Rotating speed, auxiliary main generator work it is defeated
Go out electromotive force.
In the present embodiment, Hall sensor（110）Detect passive magnetic driver（115）Polarity and position, provide
Signal is to electric machine controller（102）Adjust active magnetic driver（111）Power, main rotor is driven in a manner of magnetic drives
（108）On passive magnetic driver（115）Increase main rotor（108）Rotating speed, assist main motor（122）Work output is electronic
Gesture.
In the present embodiment, electric machine controller（102）Adjust tactile switch（118）Intermittent supply energy source is to active magnetic
Power driver（111）.
Needing the advantage of the present embodiment illustrated is：Gentle breeze, that is, exportable larger power.
Embodiment example two such as Fig. 2：Single layer combination formula magnetic drives compound motor,
In the present embodiment, setting actual demand is outer welding robot as load, main motor（122）Main rotor shaft
（104）Outer welding robot, power resources are accumulators, secondary armature spindle（105）Do not stretch out end cap（101）；Main stator（113）Line
It encloses winding and generates field drives main rotor magnetic group（116）, to main rotor（108）Rotation band dynamic load.
It should be noted that power supply sequence passes through main stator（113）Coil windings, secondary stator（107）, active magnetic transmission
Device（111）, Hall sensor（110）, electric machine controller（102）, it is closed circuit to form electromagnetism.
It should be noted that：Auxiliary-motor（123）Secondary stator magnet group（109）Magnetic field is generated, corresponding secondary rotor is driven（106）
Rotation；Secondary rotor（106）Passive magnetic driver is driven in a manner of magnetic drives（115）, auxiliary drive main rotor（108）Turn
Dynamic band dynamic load.
It should be noted that：Electric machine controller（102）According to Hall sensor（110）Detect passive magnetic driver
（115）Signals-modulating active magnetic driver（111）Power, then active magnetic driver（111）Generate field drives master
Rotor（108）The passive magnetic driver of outer rim（115）, increase single layer combination formula magnetic drives compound motor bearing power.
Needing the advantage of the present embodiment illustrated is：It not only increases the power of motor factor and saves energy consumption, and make an uproar
Sound is small.
Embodiment example three：Single layer combination formula magnetic drives compound power-generating and electromotion integrated machine, as shown in Figure 3
In the present embodiment, setting actual demand is load rotor wing unmanned aerial vehicle, and power is accumulator, requirement to be achieved
It is：1, load 50KG；2, long endurance；3, long hovering；4,360 degree of course is accurately positioned；5, high-speed flight；6, keep a certain setting
Altitude.
In the present embodiment, main rotor shaft（104）With 4 secondary armature spindles（105）Each external one group of blade, motor control
Device（102）Circuit, Hall sensor（110）Circuit, tactile switch（118）Circuit collection is together in unmanned aerial vehicle (UAV) control circuit.
In the present embodiment, main motor（122）It is used as main motor or main generator, auxiliary-motor（123）All
（Or certain part）It is used as auxiliary motor or auxiliary generator.
In the present embodiment, main motor（122）It is used as motor and drives rotor wing unmanned aerial vehicle lift-off, and keep setting
Height；2 auxiliary-motors（123）High forward is kept as motor drive unmanned plane；Meanwhile another 2 auxiliary-motors（123）Make
It is used for generator, magnetic field intercepts correspond to secondary stator magnet group（108）Power generation output electromotive force：On the one hand, through electric machine controller
（102）, Hall sensor（110）, intermittent power supply switching circuit, active magnetic driver（111）, main stator（113）It is formed
Electromagnetism is closed circuit, it is therefore an objective to intermittent drive active magnetic driver（111）Auxiliary drive main rotor（108）, save energy consumption；It is another
Aspect, extra electromotive force is by accumulator to main motor（122）With 2 auxiliary-motors as motor（123）, save energy
Consumption.
When needing to be accurately positioned in present embodiment, pass through electric machine controller（102）Adjust main motor（122）With auxiliary-motor
（123）Function, such as：It flies and positions to a direction, direction auxiliary-motor（123）For motor, remaining auxiliary-motor
（123）Keep power generation, main motor（122）Keep flying height.
When needing to hover for a long time in present embodiment, wherein 2 auxiliary-motors（123）Keep flight high as motor
Degree, main motor（122）And remaining 2 auxiliary-motor（123）It is used as generator, magnetic field intercepts correspond to secondary stator magnet group（108）
Power generation output electromotive force：On the one hand, through electric control unit, Hall sensor（110）, electromagnetic pulse generator, active magnetic
Driver（111）, main stator（113）It is closed circuit to form electromagnetism, it is therefore an objective to intermittent drive active magnetic driver（111）Auxiliary is driven
Dynamic main rotor（108）Save energy consumption；On the other hand, extra electromotive force is supplied through accumulator to motor by way of floating charge
Electricity reduces energy consumption.
In the present embodiment, if unmanned plane, which arrives at and puts down load, returns departure place, electrical control list
Member is by main motor（122）It is set as motor, 2 auxiliary-motors（123）Flying height is kept, in addition 2 auxiliary-motors（123）It keeps
Generator function, magnetic field intercepts correspond to secondary stator magnet group（108）Power generation output electromotive force：On the one hand, through electric control unit, suddenly
That sensor（110）, electromagnetic pulse generator, active magnetic driver（111）, main stator（113）, tactile switch（118）
It is closed circuit to form electromagnetism, it is therefore an objective to intermittent drive active magnetic driver（111）Auxiliary drive main rotor（108）Save energy consumption；
On the other hand, extra electromotive force in a manner of floating charge through accumulator to motor, and reduce energy consumption.
Needing the advantage of the present embodiment illustrated is：Accumulator compared to same power, same standard, same specification is made
The unmanned plane of power, hours underway of the present invention can improve 20% or so.
It should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or with replacing, without departing from the objective and range of technical solution of the present invention, should all be covered in this hair
In bright right.
It should be noted that every equivalent exchange done using description of the invention and accompanying drawing content or identical essence
The different expression of meaning, and other correlative technology fields are directly or indirectly used in, in scope of patent protection of the present invention.
It illustrates：The applicant had not only applied for patent of invention to same innovation and creation on the same day in the application but also had applied for practicality
New patent.
Claims (13)
1. a kind of combined magnetic force is driven compound machine, including casing (121), end cap (101), built-in motor controller (102)
Motor control box (103) and armature spindle and the main motor (122), auxiliary-motor (123), passive that is installed in casing (121)
Magnetic driver (115), Hall sensor (110), active magnetic driver (111), it is characterised in that：The casing (121)
It is intermediate to be connected to two end caps (101), including secondary stator mounting hole (117), heat emission hole (120)；The end cap (101) includes master
The motor control box (103) of rotor shaft mounting hole (112), pair rotor shaft mounting hole (114), built-in motor controller (102)；Institute
It is in same heart shaped radial distribution that it is interior in casing (121) with auxiliary-motor (123), which to state main motor (122), and main motor (122) is in casing
(121) center, auxiliary-motor (123) are distributed in planetary around main motor (122).
2. based on a kind of combined magnetic force transmission compound machine described in claim 1, the main motor (122) includes casing
(121) same axially opposing main rotor (108), main stator (113) in, main rotor (108) is by being fixed on end cap (101)
Main rotor shaft (104) in the casing (121) movement, main stator (113) be fixed on end cap (101)；
The auxiliary-motor (123) includes same axially opposing secondary rotor (106) in casing (121), secondary stator (107), and pair turns
Sub (106) by secondary armature spindle (105) movement in secondary stator (107) being fixed on end cap (101), secondary stator (107) is admittedly
Be scheduled in casing (121) is in open loop shape.
3. based on a kind of combined magnetic force transmission compound machine as claimed in claim 1 or 2, it is characterised in that：The main rotor
(108) it is set to casing (121) center, including main rotor magnetic group (116) in main rotor shaft (104), disk, outer rim is passive
Magnetic driver (115) is mutually transported with opposite main stator (113) by the main rotor shaft (104) being fixed on end cap (101)
Dynamic to constitute main motor (122), the main rotor magnetic group (116) includes magnet, permanent magnetic iron or coil windings.
4. being driven compound machine based on a kind of combined magnetic force described in claim 2, it is characterised in that：The main stator
(113) include magnet, permanent magnetic iron or coil windings, be fixed on the outer of main rotor shaft mounting hole (112) on two end caps (101)
It encloses, is radially arranged with main rotor (108), main motor (122) is constituted with opposite main rotor magnetic group (116).
5. being driven compound machine based on a kind of combined magnetic force described in claim 2, it is characterised in that：The pair rotor
(106) include secondary armature spindle (105), iron core, magnet, permanent magnetic iron or winding coil, be arranged in casing (121) interior main motor
(122) periphery simultaneously keeps certain magnetic gap spacing, by the secondary armature spindle (105) that is fixed on end cap (101) in pair
Movement in stator (107) constitutes auxiliary-motor (123) with secondary stator (107).
6. being driven compound machine based on a kind of combined magnetic force described in claim 2 or 5, it is characterised in that：The pair stator
(107) setting is in planetary distribution, with secondary rotor (106) in same axial direction in the periphery of casing (121) interior main motor (122)
Upper opposite composition auxiliary-motor (123), shape is not closed loop.
7. being driven compound machine based on a kind of combined magnetic force described in claim 2, it is characterised in that：The passive magnetic force passes
Dynamic device (115) includes permanent magnetic iron or including skeleton, iron core, coil windings, is placed on the outer rim of discoid main rotor (108),
Energy transmission is carried out in a manner of magnetic drives with active magnetic driver (111).
8. being driven compound machine based on a kind of combined magnetic force described in claim 2,4,5 or 7, it is characterised in that：Active magnetic
Power driver (111) includes permanent magnetic iron or including skeleton, iron core, coil windings, is placed in casing (121) secondary stator
(107) concentric with main rotor (108) disk and keep certain distance between stator.
9. being driven compound machine based on a kind of combined magnetic force described in claim 2,4,5 or 7, it is characterised in that：The master
On rotor (108) it is passive between magnetic driver (115) and active magnetic driver (111) have certain magnetic field magnetic gap between
Away from, and energy transmission is carried out in a manner of magnetic drives；There is certain magnetic between the main motor (122) and auxiliary-motor (123)
Field magnetic gap spacing, and passed with magnetic force by the passive magnetic driver (115) on main rotor (108) and between secondary rotor (106)
Dynamic mode carries out energy transmission.
10. being driven compound machine based on claim 1,2,4,5 or 7, a kind of combined magnetic force, it is characterised in that：Institute
It states main motor (122) and all selects iron core, brush carrier, commutator with auxiliary-motor (123), can also all abandon iron core, brush carrier, change
Iron core, brush carrier, commutator are selected to device, or part；Main motor (122) completely or partially selects bearing with auxiliary-motor (123),
It can be selected by completely or partially abandoning bearing in a manner of magnetic suspension；The armature spindle can stretch out end cap (101), can not also stretch
Go out end cap (101).
11. being driven compound machine based on claim 2,4,5 or 7, a kind of combined magnetic force, it is characterised in that：It is described
Hall sensor (110) is fixed between the interior active magnetic driver (111) of casing (121) and secondary stator (107), or fixed
In main rotor (108) outer rim.
12. being driven compound machine based on claim 2,4,5 or 7, a kind of combined magnetic force, it is characterised in that：It is described
Main rotor (108), main stator (113), secondary rotor (106), secondary stator (107), passive magnetic driver (115), hall sensing
Device (110), both can be with single layer, can also N multilayers, wherein N is more than or equal to 1.
13. being driven compound machine based on claim 1,2,4,5 or 7, a kind of combined magnetic force, it is characterised in that：Institute
State main motor (122) and auxiliary-motor (123) otherwise function be not fixed or as motor as generator, or
Not only it had been used as motor but also had been used as generator.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720135444 | 2017-02-15 | ||
| CN2017201354445 | 2017-02-15 |
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| Publication Number | Publication Date |
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| CN207819737U true CN207819737U (en) | 2018-09-04 |
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| CN201721253386.2U Expired - Fee Related CN207819737U (en) | 2017-02-15 | 2017-09-28 | A kind of combined magnetic force transmission compound machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659119A (en) * | 2017-02-15 | 2018-02-02 | 丁伟 | A kind of combined magnetic force is driven compound machine |
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- 2017-09-28 CN CN201721253386.2U patent/CN207819737U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659119A (en) * | 2017-02-15 | 2018-02-02 | 丁伟 | A kind of combined magnetic force is driven compound machine |
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Granted publication date: 20180904 Termination date: 20200928 |