CN203788124U - Double flat plate type permanent magnet eddy current coupling with end face being fixed - Google Patents
Double flat plate type permanent magnet eddy current coupling with end face being fixed Download PDFInfo
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- CN203788124U CN203788124U CN201420118194.0U CN201420118194U CN203788124U CN 203788124 U CN203788124 U CN 203788124U CN 201420118194 U CN201420118194 U CN 201420118194U CN 203788124 U CN203788124 U CN 203788124U
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Abstract
The utility model relates to a double flat plate type permanent magnet eddy current coupling with the end face being fixed, and belongs to the technical field of permanent magnet eddy current transmission. The double flat plate type permanent magnet eddy current coupling with the end face being fixed can automatically ensure concentric positioning in the installation and operation process, thereby greatly simplifying the installation difficulty and reducing the work load, being capable of directly transmitting the gravity and an externally applied force born by the permanent magnet eddy current coupling to a motor stator in operation, and preventing a motor rotating shaft system from bearing an additional external force. The double flat plate type permanent magnet eddy current coupling with the end face being fixed comprises a driving rotor, a driven rotor, an end face positioning base and an end cover shaft, wherein the driving rotor is composed of a driving rotor body, an inner permanent magnet layer and an outer permanent magnet layer; the driven rotor is composed of a driven rotor body, an inner rotor plate, a plurality of rotor plate connecting plates, an inner eddy current ring and an outer eddy current ring; the end face positioning base is composed of an end face positioning plate and a positioning bearing pedestal fixed on the end face positioning plate, and the outer end face of the end face positioning plate is provided with a stepped seam allowance; and the end cover shaft is composed of an end cover and a driven shaft or a driven shaft sleeve fixed at the middle part of the end cover.
Description
Technical field
The utility model belongs to permanent-magnet eddy current drive technology field, particularly the fixing two tray type permanent magnet eddy current couplings of a kind of end face.
Background technology
The basic functional principle of permanent-magnet eddy current drive technology is: when permanent magnet rotor and the motion for the relative rotation of ring of eddy rotor, the permanent magnet that in permanent magnet rotor, pole orientation is alternately arranged can produce alternating magnetic field in the ring of eddy of being made by electric conducting material, alternating magnetic field and then generate the eddy current of alternation within it, this eddy current produces again Induced magnetic field in ring of eddy, stationary magnetic field in Induced magnetic field and permanent magnet rotor interacts, just between two rotors, produce coupling torque, thereby reach the effect of transmitting motion and moment of torsion.The version of permanent magnetic vortex drive device mainly contains two kinds of socket type peace dish-types at present, and its application mainly comprises permanent magnet eddy current coupling (driver) and permanent-magnet eddy current speed regulator.Tray type permanent magnet eddy current coupling wherein, comprise single tray type and two tray type, have that axial arrangement is little, weight is light, vibrate the design features such as little, permanent magnetic material efficiency is high, eddy current loss is little, the application of succeeding in workplaces such as requiring flexible startup, blocking rotation, limit torque and damping vibration-isolating.
But, existing permanent-magnet eddy current transmission patented technology, generally the positioning connection of permanent magnet rotor and ring of eddy rotor is paid close attention to not, existing tray type permanent magnet eddy current coupling, normally adopts following two kinds of modes to realize two rotors location is installed: a kind of is to utilize connecting bushing to be directly sleeved in the drive shaft of prime mover or load two rotors; Another kind is special support to be set two rotors are supported respectively, and recycling shaft coupling parts, couple together the rotating shaft of the drive shaft of prime mover and load and two rotors.All there is obvious deficiency in these two kinds of connected modes: front a kind of connected mode is by all weight of rotor and the stressed drive shaft that all directly puts on prime mover or load, especially when directly belt pulley or gear being installed, there is larger radial effect power, greatly increased drive shaft spring bearing stressed of prime mover or load, thereby cause the severe of its working condition, the increase of vibrating noise, the reduction of useful working life; Rear a kind of connected mode is owing to having increased by one or two cover supports, make to guarantee between prime mover, load and support that the concentric locating of rotating shaft is more difficult, to installation exercise, bring very big inconvenience, while also moving to system, bring more exciting source and uncertain adverse factor simultaneously.Therefore, develop more rational permanent magnet eddy current coupling positioning connection structure, there is the clear and definite market demand.
Utility model content
The problem existing for prior art, the utility model provides a kind of end face fixing two tray type permanent magnet eddy current couplings, compare with common two tray type permanent magnet eddy current couplings, the utility model shaft coupling is directly installed on motor front end boss, can automatically guarantee the concentric locating in installation and running, greatly simplify installation difficulty and reduced workload, in servicely suffered gravity and the outer active force of permanent magnet eddy current coupling can be directly passed to motor stator, avoid motor rotary shaft system to bear additional external force.
To achieve these goals, the utility model adopts following technical scheme: two tray type permanent magnet eddy current couplings that a kind of end face is fixing, comprise power rotor, driven rotor, end face positioning seat and end-cover axle; Described power rotor is comprised of power rotor body, internal permanent magnet layer and outer permanent magnet layer; Power rotor Ti You air-cored axis and middle support plate form, and middle support plate is fixed on the lateral wall middle part of air-cored axis; Inside and outside permanent magnet layer is fixed on the inside and outside end face of middle support plate; Described driven rotor is comprised of driven rotor body, internal rotor dish, several rotor disk connecting plates and inside and outside ring of eddy; Driven rotor body consists of driven shaft bearing and external rotor dish, between the air-cored axis of driven shaft bearing and power rotor body, by driven bearing, is connected; External rotor dish is fixed on the lateral wall of driven shaft bearing, be arranged in the outside of the support plate of power rotor, on the end face relative with middle support plate of rotor disk, be fixed with outer ring of eddy outside, outer ring of eddy and outer permanent magnet layer are oppositely arranged, and leave gap between the two; Internal rotor dish is connected with external rotor dish by several rotor disk connecting plates, and internal rotor dish is arranged in the inner side of the support plate of power rotor; On the end face relative with middle support plate of internal rotor dish, be fixed with interior ring of eddy, interior ring of eddy and internal permanent magnet layer are oppositely arranged, and leave gap between the two; Described end face positioning seat is comprised of end face positioning disk and the positioning bearing seat being fixed on end face positioning disk, is provided with stepped ramp type seam on the outer face of end face positioning disk; Between the air-cored axis of positioning bearing seat and power rotor body, by location bearing, be connected; On positioning bearing seat, be provided with bearing pedestal lubricating cup, bearing pedestal lubricating cup is connected with the inside of location bearing by the bearing pedestal oil circuit being arranged on positioning bearing seat sidewall; Described end-cover axle is arranged on the outer end of driven rotor, and end-cover axle is comprised of end cap and the driven shaft or the driven axle sleeve that are fixed on end cap middle part, and the air-cored axis of driven shaft or driven axle sleeve and power rotor body coaxially arranges; End cap is fixedly connected with driven rotor body; On end cap, be provided with end cap lubricating cup, end cap lubricating cup is connected with the inside of driven bearing by the end cap oil circuit being arranged on driven rotor body and end cap.
Described inside and outside permanent magnet layer symmetry is fixed on the inside and outside end face of middle support plate.
Described inside and outside permanent magnet layer is the cirque structure that structure is identical, includes the even number set permanent magnet group of equal number, and the permanent magnet group of inside and outside permanent magnet layer is all along the circumferential direction uniformly distributed on the end face of middle support plate; Every group permanent-magnet group is comprised of some permanent-magnet blocks, and every group permanent-magnet group includes the permanent-magnet block of equal number, and the structure of every permanent-magnet block is identical, and cross section is rectangle, trapezoidal or fan-shaped; The magnetizing direction of every permanent-magnet block is the axial direction of middle support plate; The polar orientation that magnetizes of the permanent-magnet block in same group permanent-magnet group is identical, the opposite polarity directions that magnetizes of two adjacent groups permanent magnet group, and the polar orientation that magnetizes of the two corresponding group permanent-magnet groups vertically of inside and outside permanent magnet layer is identical; The two adjacent groups permanent magnet group of inside and outside permanent magnet layer has following two kinds of set-up modes, first kind of way: close contact between the two adjacent groups permanent magnet group of internal permanent magnet layer, close contact between the two adjacent groups permanent magnet group of outer permanent magnet layer; The second way: leave gap between the two adjacent groups permanent magnet group of internal permanent magnet layer, and fill non-magnetic isolating pad in gap; Between the two adjacent groups permanent magnet group of permanent magnet layer, leave gap outside, and in gap, fill non-magnetic isolating pad.
Described inside and outside ring of eddy is that the identical annular of structure is dull and stereotyped, and the internal diameter of inside and outside ring of eddy is less than respectively the internal diameter of inside and outside permanent magnet layer, and the external diameter of inside and outside ring of eddy is greater than respectively the external diameter of inside and outside permanent magnet layer.
The beneficial effects of the utility model:
Because the utility model has adopted end face location structure, end face positioning disk is matched with B35 type motor front end boss by step seam, and utilization is bolted on motor stator, outside the air-cored axis being directly connected with motor rotary shaft, added location bearing, thereby make to act on whole gravity and the additional forces on two tray type permanent magnet eddy current couplings, all pass on the front end location support of institute's adapted motor, avoided motor rotary shaft system to bear additional external force; Can structure, automatically guarantee the concentric locating of installation and running, greatly simplify installation difficulty and workload simultaneously.Two tray type structures have been offset single the axial thrust that ring of eddy is suffered, make the operation of whole shaft coupling more steady.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the fixing two tray type permanent magnet eddy current couplings of end face of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
In figure, 1--motor, 11--motor rotary shaft, 12-motor axle key, 13-motor front end boss, 14-bolt, 2--end face positioning seat, 21--end face positioning disk, 22-positioning bearing seat, 23--stepped ramp type seam, 24--location bearing, 25--bearing pedestal lubricating cup, 26--bearing pedestal oil circuit, 3--power rotor, 31-power rotor body, 32-internal permanent magnet layer, 33-outer permanent magnet layer, 34-air-cored axis, support plate in 35--, 36-permanent magnet group, 37-permanent-magnet block, 38-non-magnetic isolating pad, 4--driven rotor, 41-driven rotor body, 42-driven bearing, 43-internal rotor dish, 44-rotor disk connecting plate, 45-attachment screw, 46-interior ring of eddy, 47-outer ring of eddy, 48-driven shaft bearing, 49-external rotor dish, 5--end-cover axle, the driven axle sleeve of 51--, 52--end cap, 53--attachment screw, 54--end cap lubricating cup, 55-end cap oil circuit, 6--load rotating shaft.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, two tray type permanent magnet eddy current couplings that a kind of end face is fixing, comprise power rotor 3, driven rotor 4, end face positioning seat 2 and the end-cover axle 5 of coaxial setting, described power rotor 3 is comprised of power rotor body 31, internal permanent magnet layer 32 and outer permanent magnet layer 33, power rotor body 31 support plate 35 in the cylinder type air-cored axis 34 coaxially arranging and collar plate shape forms, and air-cored axis 34 is arranged on the center of power rotor body 31, on the madial wall of air-cored axis 34, be provided with keyway, for matching with the motor axle key 12 being arranged on the motor rotary shaft 11 of B35 type motor 1, between air-cored axis 34 and motor rotary shaft 11 for there to be the moving of movement clearance to coordinate, middle support plate 35 is arranged on the lateral wall middle part of air-cored axis 34, and middle support plate 35 is made by permeability magnetic material, internal permanent magnet layer 32, outer permanent magnet layer 33 symmetry are fixed on the inside and outside end face of middle support plate 35, driven rotor 4 is comprised of driven rotor body 41, internal rotor dish 43, eight rotor disk connecting plates 44, interior ring of eddy 46 and outer ring of eddies 47, driven rotor body 41 is comprised of the cylinder type driven shaft bearing 48 coaxially arranging and annulus template external rotor dish 49, between the air-cored axis 34 of driven shaft bearing 48 and power rotor body 31, by two driven bearings 42, be connected, the inner ring of driven bearing 42 is fixedly connected with air-cored axis's 34 lateral walls of power rotor body 31, and the outer ring of driven bearing 42 is fixedly connected with the madial wall of driven shaft bearing 48, external rotor dish 49 is fixed on the lateral wall of driven shaft bearing 48, is arranged in the outside of the support plate 35 of power rotor 3, internal rotor dish 43 is annulus plate profile structure, be arranged in the inner side of the support plate 35 of power rotor 3, internal rotor dish 43 is connected with external rotor dish 49 by rotor disk connecting plate 44, rotor disk connecting plate 44 is arranged in the outside of support plate 35, rotor disk connecting plate 44 by attachment screw 45 with in, external rotor dish is connected, in, external rotor dish is made by permeability magnetic material, on the end face relative with middle support plate 35 of rotor disk 49, be fixed with outer ring of eddy 47 outside, outer ring of eddy 47 is oppositely arranged with the outer permanent magnet layer 33 on power rotor body 31, between outer ring of eddy 47 and outer permanent magnet layer 33, leave gap, on the end face relative with middle support plate 35 of internal rotor dish 43, be fixed with interior ring of eddy 46, interior ring of eddy 46 is oppositely arranged with the internal permanent magnet layer 32 on power rotor body 31, between interior ring of eddy 46 and internal permanent magnet layer 32, leaves gap,
Described end face positioning seat 2 is by collar plate shape end face positioning disk 21 and be coaxially arranged on cylinder type on end face positioning disk 21 location bearing pedestal 22 and form, at end face positioning disk 21, on the outer face of motor 1, be provided with stepped ramp type seam 23, for matching with the motor front end boss 13 of B35 type motor 1, end face positioning disk 21 is fixed on motor 1 stator by bolt 14; Between the air-cored axis 34 of positioning bearing seat 22 and power rotor body 31, by two location bearings 24, be connected, the inner ring of location bearing 24 is fixedly connected with the lateral wall of the air-cored axis 34 of power rotor body 31, and the outer ring of location bearing 24 is fixedly connected with the madial wall of positioning bearing seat 22; On positioning bearing seat 22, be provided with bearing pedestal lubricating cup 25, bearing pedestal lubricating cup 25 is connected with location bearing 24 inside by the bearing pedestal oil circuit 26 being arranged in positioning bearing seat 22 sidewalls, for location bearing 24 provides lubricating oil;
Described end-cover axle 5 is arranged on the outer end of driven rotor 4, and end-cover axle 5 is comprised of collar plate shape end cap 52 and the driven axle sleeve 51 that is coaxially arranged on end cap 52 centers, and driven axle sleeve 51 coaxially arranges with the air-cored axis 34 of power rotor body 31; End cap 52 is fixed on the outer face of driven rotor body 41 by attachment screw 53; On end cap 52, be provided with end cap lubricating cup 54, end cap lubricating cup 54 is connected with driven bearing 42 inside by the end cap oil circuit 55 being arranged on driven rotor body 41, for driven bearing 42 provides lubricating oil; Driven axle sleeve 51 is coaxially fixedly connected with load rotating shaft 6.
Described inside and outside permanent magnet layer is the cirque structure that structure is identical, includes 16 group permanent-magnet groups 36, and the permanent magnet group 36 of inside and outside permanent magnet layer is all along the circumferential direction uniformly distributed on the end face of middle support plate 36; Every group permanent-magnet group 36 forms by two permanent-magnet blocks 37, and the structure of every permanent-magnet block 37 is identical, and cross section is trapezoidal; The magnetizing direction of every permanent-magnet block 37 is the axial direction of middle support plate 36; The polar orientation that magnetizes of two permanent-magnet blocks 37 in same group permanent-magnet group 36 is identical, the opposite polarity directions that magnetizes of two adjacent groups permanent magnet group 36, and the polar orientation that magnetizes of the two corresponding group permanent-magnet groups 36 vertically of inside and outside permanent magnet layer is identical; Between the two adjacent groups permanent magnet group 36 of internal permanent magnet layer 32, leave gap, and in gap, fill non-magnetic isolating pad 38; Between the two adjacent groups permanent magnet group 36 of outer permanent magnet layer 33, leave gap, and in gap, fill non-magnetic isolating pad 38, non-magnetic isolating pad 38 adopts non-magnet material to make.
Described inside and outside ring of eddy is that the annular that structure is identical is dull and stereotyped, by copper product, is made; And the internal diameter of inside and outside ring of eddy is less than respectively the internal diameter of inside and outside permanent magnet layer, the external diameter of inside and outside ring of eddy is greater than respectively the external diameter of inside and outside permanent magnet layer.
Below in conjunction with accompanying drawing, a use procedure of the present utility model is described:
As shown in Figure 1 and Figure 2, the utility model shaft coupling is when work, and first motor rotary shaft 11 drives power rotor 3 to rotate by motor axle key 12, and the now not yet motion of driven rotor 4 and connected end-cover axle 5; Because the polar orientation that magnetizes of the internal permanent magnet layer 32 of power rotor 3 and the arbitrary neighborhood two group permanent-magnet groups 36 in outer permanent magnet layer 33 is contrary, therefore when power rotor 3 and driven rotor 4 motion for the relative rotation, the internal permanent magnet layer 32 of power rotor 3 can be at the interior formation alternating magnetic field of interior ring of eddy 46 of driven rotor 4, because interior ring of eddy 46 is to be become by conductor material copper, the alternating magnetic field that internal permanent magnet layer 32 produces can generate the eddy current of alternation within it, and then this eddy current produces Induced magnetic field again in interior ring of eddy 46; Induced magnetic field in interior ring of eddy 46 and the stationary magnetic field of the internal permanent magnet layer 32 on power rotor body 31 interact, and just between two rotors, produce coupling torque; Same phenomenon also occurs between permanent magnet layer 33 and outer ring of eddy 47 outside; The coupling torque producing between two rotors drives driven rotor 4 and end-cover axle 5 to do and identical the rotatablely moving of power rotor 3 directions; After this, at driven axle sleeve 51 to load rotating shaft 6 output torques one regularly, between power rotor 3 and driven rotor 4, keep certain speed discrepancy, power rotor 3 is faster than driven rotor 4 rotating speeds all the time, the two remains motion for the relative rotation, thereby maintaining all the time above-mentioned coupling process, between two rotors, reaching the object of transmitting motion and power.
In the course of work, the gravity of shaft coupling self and from the motive power of load rotating shaft 6, through driven axle sleeve 51 and end cap 52, pass to driven rotor body 41, through driven bearing 42, pass to again the outer end of the air-cored axis 34 of power rotor 3, due between air-cored axis 34 and motor rotary shaft 11 for there to be the moving of movement clearance to coordinate, so the external force that air-cored axis bears 34 outer ends mainly passes to the inner location bearing 24 of installing of air-cored axis 34, is passed on motor front end boss 13 supports of B35 type motor 1 finally by positioning bearing seat 22 and end face positioning disk 21.
Claims (4)
1. the fixing two tray type permanent magnet eddy current couplings of end face, is characterized in that comprising power rotor, driven rotor, end face positioning seat and end-cover axle; Described power rotor is comprised of power rotor body, internal permanent magnet layer and outer permanent magnet layer; Power rotor Ti You air-cored axis and middle support plate form, and middle support plate is fixed on the lateral wall middle part of air-cored axis; Inside and outside permanent magnet layer is fixed on the inside and outside end face of middle support plate; Described driven rotor is comprised of driven rotor body, internal rotor dish, several rotor disk connecting plates and inside and outside ring of eddy; Driven rotor body consists of driven shaft bearing and external rotor dish, between the air-cored axis of driven shaft bearing and power rotor body, by driven bearing, is connected; External rotor dish is fixed on the lateral wall of driven shaft bearing, be arranged in the outside of the support plate of power rotor, on the end face relative with middle support plate of rotor disk, be fixed with outer ring of eddy outside, outer ring of eddy and outer permanent magnet layer are oppositely arranged, and leave gap between the two; Internal rotor dish is connected with external rotor dish by several rotor disk connecting plates, and internal rotor dish is arranged in the inner side of the support plate of power rotor; On the end face relative with middle support plate of internal rotor dish, be fixed with interior ring of eddy, interior ring of eddy and internal permanent magnet layer are oppositely arranged, and leave gap between the two; Described end face positioning seat is comprised of end face positioning disk and the positioning bearing seat being fixed on end face positioning disk, is provided with stepped ramp type seam on the outer face of end face positioning disk; Between the air-cored axis of positioning bearing seat and power rotor body, by location bearing, be connected; On positioning bearing seat, be provided with bearing pedestal lubricating cup, bearing pedestal lubricating cup is connected with the inside of location bearing by the bearing pedestal oil circuit being arranged on positioning bearing seat sidewall; Described end-cover axle is arranged on the outer end of driven rotor, and end-cover axle is comprised of end cap and the driven shaft or the driven axle sleeve that are fixed on end cap middle part, and the air-cored axis of driven shaft or driven axle sleeve and power rotor body coaxially arranges; End cap is fixedly connected with driven rotor body; On end cap, be provided with end cap lubricating cup, end cap lubricating cup is connected with the inside of driven bearing by the end cap oil circuit being arranged on driven rotor body and end cap.
2. the fixing two tray type permanent magnet eddy current couplings of end face according to claim 1, is characterized in that described inside and outside permanent magnet layer symmetry is fixed on the inside and outside end face of middle support plate.
3. two tray type permanent magnet eddy current couplings that end face according to claim 1 is fixed, it is characterized in that described inside and outside permanent magnet layer is the cirque structure that structure is identical, the even number set permanent magnet group that includes equal number, the permanent magnet group of inside and outside permanent magnet layer is all along the circumferential direction uniformly distributed on the end face of middle support plate; Every group permanent-magnet group is comprised of some permanent-magnet blocks, and every group permanent-magnet group includes the permanent-magnet block of equal number, and the structure of every permanent-magnet block is identical, and cross section is rectangle, trapezoidal or fan-shaped; The magnetizing direction of every permanent-magnet block is the axial direction of middle support plate; The polar orientation that magnetizes of the permanent-magnet block in same group permanent-magnet group is identical, the opposite polarity directions that magnetizes of two adjacent groups permanent magnet group, and the polar orientation that magnetizes of the two corresponding group permanent-magnet groups vertically of inside and outside permanent magnet layer is identical; The two adjacent groups permanent magnet group of inside and outside permanent magnet layer has following two kinds of set-up modes, first kind of way: close contact between the two adjacent groups permanent magnet group of internal permanent magnet layer, close contact between the two adjacent groups permanent magnet group of outer permanent magnet layer; The second way: leave gap between the two adjacent groups permanent magnet group of internal permanent magnet layer, and fill non-magnetic isolating pad in gap; Between the two adjacent groups permanent magnet group of permanent magnet layer, leave gap outside, and in gap, fill non-magnetic isolating pad.
4. two tray type permanent magnet eddy current couplings that end face according to claim 1 is fixed, it is characterized in that described inside and outside ring of eddy is that the annular that structure is identical is dull and stereotyped, and the internal diameter of inside and outside ring of eddy is less than respectively the internal diameter of inside and outside permanent magnet layer, the external diameter of inside and outside ring of eddy is greater than respectively the external diameter of inside and outside permanent magnet layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420118194.0U CN203788124U (en) | 2014-03-14 | 2014-03-14 | Double flat plate type permanent magnet eddy current coupling with end face being fixed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420118194.0U CN203788124U (en) | 2014-03-14 | 2014-03-14 | Double flat plate type permanent magnet eddy current coupling with end face being fixed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203788124U true CN203788124U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420118194.0U Withdrawn - After Issue CN203788124U (en) | 2014-03-14 | 2014-03-14 | Double flat plate type permanent magnet eddy current coupling with end face being fixed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203788124U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904861A (en) * | 2014-03-14 | 2014-07-02 | 辽阳泰科雷诺科技有限公司 | Double-tray-type permanent magnet eddy-current coupler with fixed end surface |
| CN105634245A (en) * | 2014-11-25 | 2016-06-01 | 李启飞 | V-shaped grooved cam power-driven speed regulation disc type magnetic coupler |
-
2014
- 2014-03-14 CN CN201420118194.0U patent/CN203788124U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904861A (en) * | 2014-03-14 | 2014-07-02 | 辽阳泰科雷诺科技有限公司 | Double-tray-type permanent magnet eddy-current coupler with fixed end surface |
| CN103904861B (en) * | 2014-03-14 | 2016-04-13 | 辽阳泰科雷诺科技有限公司 | Two tray type permanent magnet eddy current couplings that a kind of end face is fixing |
| CN105634245A (en) * | 2014-11-25 | 2016-06-01 | 李启飞 | V-shaped grooved cam power-driven speed regulation disc type magnetic coupler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20160413 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |