CN108206622A - A kind of electromagnetism mixing is without gear ring planetary gear speed-changing system - Google Patents

A kind of electromagnetism mixing is without gear ring planetary gear speed-changing system Download PDF

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Publication number
CN108206622A
CN108206622A CN201810022041.9A CN201810022041A CN108206622A CN 108206622 A CN108206622 A CN 108206622A CN 201810022041 A CN201810022041 A CN 201810022041A CN 108206622 A CN108206622 A CN 108206622A
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CN
China
Prior art keywords
gear
planetary gear
electromagnetic
shaft
planet carrier
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Granted
Application number
CN201810022041.9A
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Chinese (zh)
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CN108206622B (en
Inventor
王亚飞
杨富春
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Shandong University
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Shandong University
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Priority to CN201810022041.9A priority Critical patent/CN108206622B/en
Publication of CN108206622A publication Critical patent/CN108206622A/en
Priority to PCT/CN2018/108527 priority patent/WO2019137042A1/en
Priority to LU101225A priority patent/LU101225B1/en
Application granted granted Critical
Publication of CN108206622B publication Critical patent/CN108206622B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K49/00Dynamo-electric clutches; Dynamo-electric brakes
    • H02K49/10Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
    • H02K49/102Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Structure Of Transmissions (AREA)
  • Retarders (AREA)

Abstract

The invention discloses a kind of mixing of electromagnetism without gear ring planetary gear speed-changing system, including input shaft, input terminal planet carrier and multiple electromagnetic gears are installed on the input shaft, whether multiple electromagnetic gears distinguish each four switch its work of control of freedom;Each electromagnetic gear and one group of multiple uniformly distributed output magnetic gears and formation, the center of multiple output magnetic gears positioned at different groups and in the same direction connects same planetary gear shaft I on same straight line, the planetary gear shaft I is connected with output terminal planet carrier, input terminal planet carrier connection planetary gear the shaft II, the planetary gear shaft II is connected from multiple output magnetic gear eccentricities positioned at different groups and in the same direction.

Description

A kind of electromagnetism mixing is without gear ring planetary gear speed-changing system
Technical field
The present invention relates to a kind of mixing of electromagnetism without gear ring planetary gear speed-changing system.
Background technology
Speed changer is for changing the rotating speed from input terminal and the mechanism of torque, it can change output shaft and input shaft passes Dynamic ratio.Conventional transmissions generally use gear drive, there is certain deficiencies.On the one hand, ordinary gear transmission is because of its biography Dynamic characteristic can generate vibration, noise, abrasion, fever phenomenon, and dust, powder etc. can influence greasy property.On the other hand, commonly Gear drive has certain deficiency in bearing capacity, output torque, delivery efficiency, reliability etc..The design mesh of the present invention Be improve speed changer these defects.
In terms of bearing capacity, output torque, delivery efficiency is improved, planetary gear is widely used.Planetary gear is compared Have the advantages that some are protruded, such as compact-sized in ordinary gear group, small, bearing capacity is high, can realize large transmission ratio Movement, transmission efficiency height etc., using these advantages, planetary gear, which substitutes ordinary gear, can effectively improve gearbox performance.Row Star gear generally employs 2K-H Gear Planet Transmission technologies, and most typical composition includes sun gear, planetary gear, gear ring, planet carrier Etc. several primary structures.In this configuration, gear ring is an internal gear, plays the role of engaging with internal gear.But gear ring Error be to cause a key factor of planetary gear error, in order to ensure planetary gear operation accuracy, usually require that in Gear ring has higher machining accuracy, increases the difficulty of production and processing.
Magnetic gear is a kind of novel gear technique, as needed, common magnetic gear (such as Fig. 1 can be made with permanent magnet The right gear) or electromagnetic gear (such as Fig. 1 left sides gear) made according to electromagnetic induction principle.As shown in Figure 1, its sliding tooth It is realized and moved by the magnet principle that there is a natural attraction between the sexes between wheel and load gear.Mechanical Contact does not occur between magnetic gear, reduces The vibration and noise of transmission mechanism;Magnetic gear transmits movement and power by the magnetic field of magnetic material into closed space, Increase the flexibility of design;Magnetic gear rubs without the concern for contact, without lubrication, not only clean environment firendly, the saving energy, but also drop Low maintenance cost;Magnetic gear will not damage gear in overload, have overload self-protection function;Permanent magnet surfaces are without essence Thin mechanical processing reduces the requirement to production technology;In motion process, apparent impact phenomenon will not be generated.
Invention content
The present invention proposes a kind of electromagnetism mixing without gear ring planetary gear speed-changing system to overcome the shortcomings of mechanic gear device The designing scheme of system, the exploitation of development and speed change system to planetary gear, electromagnetic gear have great importance.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of electromagnetism mixing, including input shaft, is equipped with without gear ring planetary gear speed-changing system on the input shaft Input terminal planet carrier and multiple electromagnetic gears, whether multiple electromagnetic gears distinguish each four switch its work of control of freedom;Often A electromagnetic gear and multiple uniformly distributed output magnetic gears and one group is formed, positioned at different groups and in the same direction multiple defeated The center for going out magnetic gear connects same planetary gear shaft I, the planetary gear shaft I and output terminal planet on same straight line Frame is connected, the input terminal planet carrier connection planetary gear shaft II, the planetary gear shaft II be located at different groups and Multiple output magnetic gear eccentricities connection on same direction.
Further, different gearratios are formd between multiple electromagnetic gears and multiple output magnetic gears.
Further, one end of the input shaft is mounted on by bearing in rack, and the other end of input shaft passes through bearing On output terminal planet carrier.
Further, the output shaft end of the output terminal planet carrier is mounted on also by bearing in rack.
Further, the present invention can realize four different gearratio outputs, and the control of variable part is to pass through driving lever It is realized with synchronizer.
Further, every group of electromagnetic gear is identical with the centre-to-centre spacing for exporting magnetic gear in the present invention.
Further, every group of output magnetic gear is uniformly distributed in a circumferential direction along its corresponding electromagnetic gear.
Further, the input shaft is processed into hollow state, and is punched respectively in electromagnetic gear installation site, for pacifying Dress and connecting wire.
Further, multiple planetary gear shaft I are connected with same output terminal planet carrier, multiple planetary gear shaft II with it is same One input terminal planet carrier is connected.
Further, two conducting wires on each electromagnetic gear coil are all connected with brush, wherein the brush of a conducting wire with Same conducting slip ring is connected, which connects a pole of power supply, and the brush of another conducting wire respectively connects a conduction Slip ring, each conducting slip ring is extremely connected by conducting wire with the another of power supply, and is equipped with switch on each circuit of formation;It is logical Conductive and rotation can be realized by crossing movement of the brush on conducting slip ring, realize control function.
N grades and S grades are made by direction of winding using electromagnetic gear in the input gear of the invention electromagnetism mixing gear parts Uniform alternate electromagnetic gear, output gear make N grades and S grades uniformly alternate common magnetic gears using permanent magnet.
The invention has the advantages that:
1st, it by the effect of planetary two planet carriers of no gear ring, instead of the function of external toothing, realizes anodontia The planetary gear movement of circle, improves kinematic accuracy, avoids the error of gear ring generation;
2nd, to maintain planetary gear without gear ring planetary gear original compact-sized, small, can realize compared with large transmission ratio The advantages that;
3rd, Mechanical Contact does not occur between electromagnetic gear and magnetic gear, reduces the vibration and noise of transmission mechanism, overload When have self-protection, be hardly damaged;
4th, clean environment firendly, magnetic gear and electromagnetic gear do not need to lubricate, and avoid the pollution of lubricating oil;
5th, the permanent magnet surfaces of magnetic gear reduce the requirement to production technology without fine mechanical processing.
6th, iron core and number of magnetic poles easily adjust, and are influenced without the concern for the modulus of mechanical gear, facilitate change gearratio.
7th, transmission control is more convenient, it is only necessary to which speed change can be realized in the corresponding switch of control.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows Meaning property embodiment and its explanation do not form the improper restriction to the application for explaining the application.
The structure chart that magnetic gear is engaged with electromagnetic gear in Fig. 1 present invention;
The schematic diagram that Fig. 2 present invention works;
The structure diagram of Fig. 3 present invention;
Fig. 4 is the schematic diagram that steering gear is amplified in Fig. 2;
Fig. 5 is side view.
Wherein:1 input shaft, 2 rack bearings, 3 racks, 4 input terminal planet carriers, 5 planetary gear shaft II, 6 output magnetic gears E, 7 output magnetic gear F, 8 output magnetic gear G, 9 output magnetic gear H, 10 planetary gear shaft I, 11 output planetary framves, 12 bearings, 13 Power supply, 14 switches, 15 brushes and conducting slip ring, 16 racks, 17 electromagnetic gear D, 18 electromagnetic gear C, 19 electromagnetic gear B, 20 is electric Magnetic gear A.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, deficiency exists in the prior art, the technical issues of in order to solve as above, the application A kind of electromagnetism mixing is proposed without gear ring planetary gear speed-changing system.
As shown in Figure 1, the magnetic gear that the present invention uses is a kind of novel gear technique, as needed, permanent magnetism can be used Body makes common magnetic gear (gear on the right of such as Fig. 1) or makes electromagnetic gear (such as Fig. 1 left sides tooth according to electromagnetic induction principle Wheel).It is moved as shown in Figure 1, being realized between its drive gear and load gear by the magnet principle that there is a natural attraction between the sexes.Magnetic gear it Between Mechanical Contact does not occur, reduce the vibration and noise of transmission mechanism;Magnetic gear is by the magnetic field of magnetic material to closed Movement and power are transmitted in space, increases the flexibility of design;Magnetic gear rubs without the concern for contact, without lubricating, both Clean environment firendly saves the energy, and reduces maintenance cost;Magnetic gear will not damage gear in overload, have and overload self guarantor Protective function;Permanent magnet surfaces reduce the requirement to production technology without fine mechanical processing;In motion process, it will not produce Raw apparent impact phenomenon.
The present invention is inputted certain rotating speed by input shaft, and four switches K1, K2, K3, K4 control four electromagnetic gears respectively Work.The common magnetic working gear of output terminal is driven after electromagnetic gear work, passes through input gear and its corresponding output gear The different gear ratios of wheel, the rotating speed of output shaft change therewith, realize the rotation speed change of five gears, carry out the effect of speed changer.
N grades and S grades are made by direction of winding using electromagnetic gear in the input gear of the invention electromagnetism mixing gear parts Uniform alternate electromagnetic gear, output gear make N grades and S grades uniformly alternate common magnetic gears using permanent magnet.Electromagnetism tooth Take turns the quantity by changing iron core and coil, the number of magnetic poles (i.e. the number of teeth) for being designed to four input gears is respectively 8,12,16, 16.The distribution of common magnetic gear adjustment permanent magnet, the number of magnetic poles (i.e. the number of teeth) for making corresponding output gear is 16,16,16,8. The gear ratio that four pairs of input gears and output gear can be obtained is followed successively by 1:2、3:4、1:1、2:1.
Conducting wire can be driven to rotate in program input shaft rotary course, in order to overcome this problem, the program passes through such as Fig. 3 Transfer solves the problems, such as this.Brush is connected on conducting wire, brush is connected on a conducting slip ring, by brush in coil On movement can realize conductive and rotation, then coil is connected with switch, realization control function.
Tradition replaced as shown in Fig. 2, setting up meter separately without gear ring planetary gear portion using duplicate rows carrier 2K-H is planetary sets Meter.The no planetary principle of gear ring is as shown in Fig. 2, gear S is sun gear, and gear P is planetary gear, and Q1 and Q2 are respectively two Planet carrier.Two mounting holes of processing of planetary gear P connect two planet carriers respectively.In the present invention, using sun gear S as input, Drive Q1 and Q2 movement, using Q2 for output terminal planet carrier as export, Q1 be input terminal planet carrier play a supportive role, do not apply additionally Add external force.
In the present invention, two mounting holes of planetary gear P, one is located at center, for installing output terminal planet carrier Q2, another has certain eccentricity for one with planet carrier, for installing input terminal planet carrier Q1.Because there is bias in mounting hole, The rotation center of Q1 and sun gear S decentractions, the distance of processing two mounting hole of the eccentricity equal to planetary gear P of the two. In the design of the present invention, each sun gear needs the planetary gear at three 120 degree of intervals of engagement, ensures stable movement, i.e. planet carrier Also to be connected simultaneously with these three planetary gears.Therefore a hollow circle is processed in input terminal planet carrier Q1 centers, it adapts to Bias in motion process avoids the interference with input shaft.Output terminal planet carrier Q2 is connected with center mounting hole, thus Q2 with Input shaft rotation center is identical.
Input shaft 1 as shown in Figure 3 is processed into hollow state, and punch respectively in electromagnetic gear installation site, for installing And connecting wire;
Specific structure is as follows:
The present invention includes input shaft 1, and input terminal planet carrier 3 and four electromagnetic gear (electromagnetism are equipped on input shaft 1 Gear D 17, electromagnetic gear C18, electromagnetic gear B19, electromagnetic gear A20), four electromagnetic gears distinguish each four switches 14 of freedom Whether (K1, K2, K3, K4) controls its work;Each electromagnetic gear and one group of multiple uniformly distributed output magnetic gears and formation, are located at Different groups and four output magnetic gears (output magnetic gear E6, output magnetic gear F7, output magnetic gear in the same direction G8, output magnetic gear H9) center same planetary gear shaft I10, the planetary gear shaft I10 are connected on same straight line Be connected with output terminal planet carrier, the input terminal planet carrier connection planetary gear shaft II5, the planetary gear shaft II5 with Four output magnetic gear eccentricity connections positioned at different groups and in the same direction.
Different gearratios are formd between multiple electromagnetic gears and multiple output magnetic gears.
One end of input shaft 1 is mounted on by bearing 2 in rack 3, and the other end of input shaft 1 is mounted on defeated by bearing 12 On outlet planet carrier 11.The output shaft end of output terminal planet carrier 11 is mounted on also by bearing in rack 16.
The present invention can realize four different gearratio outputs, and the control of variable part is real by driving lever and synchronizer Existing.Every group of electromagnetic gear is identical with the centre-to-centre spacing for exporting magnetic gear in the present invention.Every group of output magnetic gear is along it Corresponding electromagnetic gear is uniformly distributed in a circumferential direction.
Input shaft 1 is processed into hollow state, and is punched respectively in electromagnetic gear installation site, for installing and connection is led Line.
Multiple planetary gear shaft I are connected with same output terminal planet carrier, multiple planetary gear shaft II and same input End planet carrier is connected.
Two conducting wires on each electromagnetic gear coil are all connected with brush, wherein the brush of a conducting wire and same conduction Slip ring is connected, which connects a pole of power supply, and the brush of another conducting wire respectively connects a conducting slip ring, each leads Electric slip ring is extremely connected by conducting wire with the another of power supply 13, and be equipped on each circuit of formation switch 14 (K1, K2, K3, K4);Conductive and rotation can be realized by movement of the brush on conducting slip ring, realize control function.
The concrete structure of brush and conducting slip ring 15 is as shown in the figure.
For input terminal planet carrier 4 in order to solve the problems, such as that bias occurs during the motion for the planet carrier, center processes one A circular hole for preventing interference, avoids planet carrier from being interfered with input shaft.
The invention variable part can realize four different gearratio outputs.The control of variable part is opened by being powered Close what is realized.Under obstructed electricity condition, electromagnetic gear does not generate magnetic force, will not drive common magnetic gear.When speed changer needs certain It when a gearratio is worked, is powered by switch to corresponding electromagnetic gear, electromagnetic gear work is driven common using magnetic force Magnetic gear.The gear ratio of each pair of electromagnetic gear and ordinary gear is followed successively by 1:2、3:4、1:1、2:1, so as to fulfill in output planetary The function of frame different drive ratios output.
The concrete methods of realizing of gear change:
Zero span:When speed changer is in zero span state, four switches K1, K2, K3, K4 are all off, and four electromagnetic gears are equal It does not work, input shaft is caused to dally, the output speed of output planetary frame is 0.
One grade:When speed changer is in one grade of state, switch K4 is connected, and K1, K2, K3 are disconnected, electromagnetic gear A work, band The dynamic common magnetic gear E movements of output, the gear ratio of electromagnetic gear A and common magnetic gear E is 1:2, realization one is defeated compared with low speed Go out.
Two grades:When speed changer is in two grades of states, switch K3 is connected, and K1, K2, K4 are disconnected, electromagnetic gear B work, band The dynamic common magnetic gear F movements of output, the gear ratio of electromagnetic gear B and common magnetic gear F is 3:4, two grades of output speeds are with respect to one Shelves improve.
Third gear:When speed changer is in third gear state, switch K2 is connected, and K1, K3, K4 are disconnected, electromagnetic gear C work, band The dynamic common magnetic gear G movements of output, the gear ratio of electromagnetic gear C and common magnetic gear G is 1:1, third gear output speed is with respect to two Shelves further improve.
Fourth gear:When speed changer is in fourth gear state, switch K1 is connected, and K2, K3, K4 are disconnected, electromagnetic gear D work, band The dynamic common magnetic gear H movements of output, the gear ratio of electromagnetic gear D and common magnetic gear H is 2:1, fourth gear output speed is with respect to three Shelves further improve.
The speed changer realizes the variation of different drive ratios by five grades of control, while can be defeated by assembling different proportion Enter gear and output gear and further expand gearratio variation size.
The foregoing is merely the preferred embodiments of the application, are not limited to the application, for the skill of this field For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.

Claims (10)

1. a kind of electromagnetism mixing is without gear ring planetary gear speed-changing system, which is characterized in that including input shaft, in the input shaft On input terminal planet carrier and multiple electromagnetic gears be installed, multiple electromagnetic gears distinguish each four switches of freedom and control its work Whether;Each electromagnetic gear and one group of multiple uniformly distributed output magnetic gears and formation, positioned at different groups and in the same direction The centers of multiple output magnetic gears connect same planetary gear shaft I on same straight line, the planetary gear shaft I with it is defeated Outlet planet carrier is connected, and input terminal planet carrier connection planetary gear shaft II, the planetary gear shaft II is with being located at not Multiple output magnetic gear eccentricities connection with group and in the same direction.
2. electromagnetism mixing as described in claim 1 is without gear ring planetary gear speed-changing system, which is characterized in that multiple electromagnetic gears Different gearratios are formd between multiple output magnetic gears.
3. electromagnetism mixing as described in claim 1 is without gear ring planetary gear speed-changing system, which is characterized in that the input shaft One end is mounted on by bearing in rack, and the other end of input shaft is mounted on by bearing on output terminal planet carrier.
4. electromagnetism mixing as described in claim 1 is without gear ring planetary gear speed-changing system, which is characterized in that the output terminal The output shaft end of planet carrier is mounted on also by bearing in rack.
5. electromagnetism mixing as described in claim 1 is without gear ring planetary gear speed-changing system, which is characterized in that every group in the present invention Electromagnetic gear is identical with the centre-to-centre spacing for exporting magnetic gear.
6. electromagnetism mixing as described in claim 1 is without gear ring planetary gear speed-changing system, which is characterized in that described every group is defeated It is uniformly distributed in a circumferential direction along its corresponding electromagnetic gear to go out magnetic gear.
7. electromagnetism mixing as described in claim 1 is without gear ring planetary gear speed-changing system, which is characterized in that the input shaft adds Work is punched respectively into hollow state, and in electromagnetic gear installation site, for installation and connecting wire.
8. electromagnetism mixing as described in claim 1 is without gear ring planetary gear speed-changing system, which is characterized in that multiple planet rotation Axis I is connected with same output terminal planet carrier, and multiple planetary gear shaft II are connected with same input terminal planet carrier.
9. electromagnetism mixing as described in claim 1 is without gear ring planetary gear speed-changing system, which is characterized in that in input terminal planet Frame center processes a hollow circle.
10. electromagnetism mixing as described in claim 1 is without gear ring planetary gear speed-changing system, which is characterized in that each electromagnetism tooth Two conducting wires on wheel coil are all connected with brush, wherein the brush of a conducting wire is connected with same conducting slip ring, the conduction is sliding Ring connects a pole of power supply, and the brush of another conducting wire respectively connects a conducting slip ring, each conducting slip ring by conducting wire and The another of power supply is extremely connected, and be equipped with switch on each circuit of formation;Pass through movement energy of the brush on conducting slip ring It is enough to realize conductive and rotation, realize control function.
CN201810022041.9A 2018-01-10 2018-01-10 A kind of mixing of electromagnetism is without gear ring planetary gear speed-changing system Expired - Fee Related CN108206622B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201810022041.9A CN108206622B (en) 2018-01-10 2018-01-10 A kind of mixing of electromagnetism is without gear ring planetary gear speed-changing system
PCT/CN2018/108527 WO2019137042A1 (en) 2018-01-10 2018-09-29 Electromagnetic hybrid gear ring-free planetary gear transmission system
LU101225A LU101225B1 (en) 2018-01-10 2018-09-29 Electromagnetic hybrid ringless planet gear changing system

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Application Number Priority Date Filing Date Title
CN201810022041.9A CN108206622B (en) 2018-01-10 2018-01-10 A kind of mixing of electromagnetism is without gear ring planetary gear speed-changing system

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CN108206622B CN108206622B (en) 2019-08-23

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LU (1) LU101225B1 (en)
WO (1) WO2019137042A1 (en)

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WO2019137042A1 (en) * 2018-01-10 2019-07-18 山东大学 Electromagnetic hybrid gear ring-free planetary gear transmission system
WO2019137043A1 (en) * 2018-01-10 2019-07-18 山东大学 Gear ring-free planetary magnetic gear transmission system
CN110048578A (en) * 2019-04-16 2019-07-23 上海大学 A kind of pair of rotating disc type electric machine structure

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CN110048578A (en) * 2019-04-16 2019-07-23 上海大学 A kind of pair of rotating disc type electric machine structure

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CN108206622B (en) 2019-08-23
LU101225A1 (en) 2019-09-30
LU101225B1 (en) 2019-11-07

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