CN205064074U - Electromagnetic fan clutch - Google Patents
Electromagnetic fan clutch Download PDFInfo
- Publication number
- CN205064074U CN205064074U CN201520596780.0U CN201520596780U CN205064074U CN 205064074 U CN205064074 U CN 205064074U CN 201520596780 U CN201520596780 U CN 201520596780U CN 205064074 U CN205064074 U CN 205064074U
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- Prior art keywords
- main shaft
- shaft
- clutch
- rotor
- electromagnetic fan
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- Expired - Fee Related
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Abstract
The utility model aims at providing a compact structure, easily installation, the stable electromagnetic fan clutch of operation contain: a main shaft, a fixed bolster, a belt shaft, a flabellum mounting flange, the dress is on the main shaft in proper order, and belt shaft, flabellum mounting flange can rotate for the main shaft, and for main shaft vertical fixing, a permanent -magnetic clamp links firmly in fan mounting flange one side towards the belt shaft, a heat dissipation ring sum rotor is set up between permanent -magnetic clamp and belt shaft and is linked firmly in the belt shaft, forms a coil installation space between rotor and the belt shaft, a ray of ring support, dress on the main shaft, and be located coil installation space, a sucking disc is set up between permanent -magnetic clamp and rotor, can throw off with the rotor actuation or from the rotor, its characterized in that, fixed bolster link firmly in the one end of main shaft, the engine connecting portion that contain main shaft connecting portion and set up with main shaft connecting portion relatively fixed.
Description
Technical field
The utility model relates to a kind of electromagnetic fan clutch, particularly relates to a kind of electromagnetic fan clutch being applicable to the engine-cooling system of medium-sized or large-scale flexible mechanical.
Background technique
At present at automotive field especially passenger car field, engine-cooling system often uses electromagnetic fan clutch, the clutch action of electromagnetic fan clutch is controlled according to the temperature height that cooling liquid enters cooling water tank through bus engine, thus control the running of engine water tank fan, and then reduce the energy consumption in bus driving process.
Along with development and the application of technology, other medium-sized or large-scale flexible mechanicals, especially the non-pavement construction machinery such as engineering machinery (such as digging machine, shovel hoist etc.), the demand of its energy-saving and emission-reduction also grows to even greater heights, but the installing space of the motor of these flexible mechanicals and annex thereof and existing automobile especially passenger vehicle are different greatly, electromagnetic fan clutch of the prior art directly cannot be applied or only varying sized to be applied in these machineries.
Summary of the invention
For the deficiency that prior art exists, the utility model provides a kind of electromagnetic fan clutch of improvement, is applicable to these medium-sized or large-scale flexible mechanicals, especially the non-pavement construction machinery such as engineering machinery.
An object of the present utility model is, under the prerequisite not affecting operation, to provide the electromagnetic fan clutch that a kind of compact structure, mounting type are firm.
For reaching above object, electromagnetic fan clutch of the present utility model comprises: a main shaft; One fixed support, a Pulley shaft, a flabellum fastening flange, be contained on main shaft successively, and wherein Pulley shaft, flabellum fastening flange can be fixed relative to main shaft relative to main axis in the vertical around the center line of main shaft; One permanent-magnetic clamp, is fixed on the side of fan fastening flange towards Pulley shaft; One heat dissipating ring and-rotor, being arranged between permanent-magnetic clamp and Pulley shaft and being fixed on Pulley shaft, form a coil installing space between rotor and Pulley shaft, heat dissipating ring is provided with magnet case; One coil base, being contained on main shaft and being positioned at coil installing space, coil is contained on coil base; One sucker, is arranged between permanent-magnetic clamp and rotor, and with rotor adhesive or can throw off from rotor, sucker can move between an attracted position and a disengaged position; It is characterized in that, fixed support is fixed on one end of main shaft, comprises a main shaft joint and the motor joint that be fixedly installed relative to main shaft joint.
Further, main shaft joint is fixed on one end of main shaft, and motor joint is positioned at outside one end of main shaft in the vertical, and the surface being suitable for connecting engine shell is plane.
Another object of the present utility model is to provide a kind of can provide the electromagnetic fan clutch of economical, reliable and stable supporting for Pulley shaft.
For reaching this object, Pulley shaft is sleeved on main shaft rotationally by a supporting group, supporting group comprises clutch shaft bearing, the second bearing, is arranged on inner spacing collar between clutch shaft bearing and the second bearing and outer separator, inner spacing collar is sandwiched between the inner ring of clutch shaft bearing and the inner ring of the second bearing, and outer separator is sandwiched between the outer ring of clutch shaft bearing and the outer ring of the second bearing.
With need compared with special long bearing, the design of this supporting group can adopt existing standard rolling bearing and manufacture simple in outer separator, thus reduce costs, save component manufacturing time.
Another object of the present utility model be to provide a kind of at fan turns process coil circuit not by the electromagnetic fan clutch that the rotation of Pulley shaft affects.
For reaching this object, electromagnetic fan clutch comprises further: a coil circuit passage fixed relative to main spindle's.
Further, coil circuit passage comprises: be positioned at the first hole on coil base, the second hole be positioned on main shaft, the 3rd hole be positioned on fixed support.
Further, the first hole is connected an electric wire part with coil connects, and the first hole, the second hole, the 3rd hole communicate, and fixed support outside is led in the 3rd hole.
Further, the second hole is passed from main shaft inside.
Owing to forming the coil base of this coil circuit passage, main shaft, support be all fixedly connected with relative to motor, isolate with each rotatable part (such as Pulley shaft, rotor, fan flange etc.), therefore when electromagnetic fan clutch runs, no matter how Pulley shaft and fan flange move, this coil circuit passage is all fixed position relative to coil base, coil, the electric wire of coil circuit is there will not be to reverse the situation even twisted off, ensure that the stable operation of electromagnetic fan clutch, improve its working life.
Another object of the present utility model be to provide a kind of can the electromagnetic fan clutch of bumper and absorbing shock when flabellum rotation speed change.
For reaching this object, side towards sucker on permanent-magnetic clamp is provided with spacing preiection, sucker be provided with waist shaped hole that the center line around main shaft extends and waist shaped hole around the centerline direction of main shaft having the size being greater than spacing preiection, spacing preiection is arranged in waist shaped hole.
The utility model also has an object to be to provide a kind of electromagnetic fan clutch that flabellum rotates heat radiation that still can ensure when clutch was lost efficacy.
Electromagnetic fan clutch comprises an emergent fastening piece further, and when clutch lost efficacy, emergent fastening piece was suitable for relative with Pulley shaft for flabellum fastening flange fixing.
Further, when clutch lost efficacy, the part that emergent fastening piece is adapted to pass through permanent-magnetic clamp was fixed on heat dissipating ring.
Accompanying drawing explanation
Do to describe further and set forth to the utility model below in conjunction with accompanying drawing.
Fig. 1 is the sectional view of electromagnetic fan clutch along the face extended out from center line of the first-selected mode of execution of the utility model;
Fig. 2 be the electromagnetic fan clutch of this first-selected mode of execution permanent-magnetic clamp perpendicular to spindle centerline direction and along from one end of main shaft mounting bracket to the view on the direction that permanent-magnetic clamp is looked.
Embodiment
As shown in Figure 1 be the electromagnetic fan clutch of the first-selected mode of execution of the utility model, comprise support 2, that a main shaft 1, is fixedly connected on one end 11 of main shaft 1 and be socketed in Pulley shaft 3 on main shaft 1.
Support 2 comprises main shaft joint 21, and is fixedly connected on the motor joint 23 of main shaft joint 21.Preferably, main shaft joint 21 has a sleeve pipe 22 and is sleeved on one end 11 of main shaft 1, motor joint 23 is planar and has appropriate size so that pass through fastening connection piece, such as bolt and nut component, be fixed to the suitable flat place on engine housing, the surface that motor joint 23 is suitable for connecting engine shell is plane.Preferably, manufacture for convenience, control cost, main shaft joint 21 and motor joint 23 are designed to two separate parts, are mutually permanently connected by link such as screw 25.Those having ordinary skill in the art will appreciate that, in other embodiments, main shaft joint and motor joint also can be unitary design.
Preferably, two Pulley shaft bearings 31, 33 are set on main shaft 1, in two bearings 31, the inner spacing collar 35 be enclosed within main shaft 1 and the outer separator 37 being arranged on inner spacing collar 35 periphery is provided with between 33, wherein inner spacing collar 35 is equal in centerline direction (namely longitudinally) the upper length along main shaft 1 with outer separator 37, and arrange with one heart around this center line, the two ends of inner spacing collar 35 respectively with bearing 31, the inner ring contact of 33, the two ends of outer separator 37 respectively with bearing 31, the outer ring contact of 33, like this can spaced bearing 31, 33, do not affect again bearing outer ring to rotate relative to bearing inner race.Preferably, bearing 31,33 is standard piece.The Pulley shaft swivel bearing group formed by adopting this bearing, interior outer separator, bearing, provide a kind of supporting means with longer longitudinal supporting length, thus provide stable rotating support to Pulley shaft, compared with the handtailor bearing having same support length with, its manufacture difficulty is low, cost is also lower.
Preferably, first locking nut 15 is screwed on the outside thread of one end 11 of main shaft 1, the Pulley shaft bearing 31 be enclosed within successively on main shaft 1, inner spacing collar 35 and outer separator 37, bearing 33, support 1 are pressed between the shaft shoulder 12 of main shaft 1 and the first locking nut 15 tightly, realize bearing 31, inner spacing collar 35 and outer separator 37, bearing 33, support 1 fix relative to main shaft 1 position in the vertical.
Preferably, Pulley shaft 3 comprises the outer ring that a bearing support is set in bearing 31,33, two jump rings 32,34 be separately positioned on the Pulley shaft swivel bearing group formed by bearing 31, inner spacing collar 35, outer separator 37, bearing 33 two outer ends, contact respectively with the outer ring of bearing 31,33, and be stuck in and be formed in two annular grooves of axial plane in Pulley shaft 3, Pulley shaft 3 is fixed in the vertical relative to main shaft 1, support 2, and can rotate around main shaft 1 under the drive of drivign belt (not shown).
Preferably, one end of the bearing support of Pulley shaft 3 is formed with the first protuberance 38 on the outer periphery, and the first protuberance 38 is formed with pulley groove, so that install suitable drivign belt.The outer circumference diameter of the first protuberance 38 is greater than the outer circumference diameter of bearing support.
Preferably, the outer circumference diameter that the other end of the bearing support of Pulley shaft 3 is formed with the second protuberance 39, second protuberance 39 is on the outer periphery greater than the outer circumference diameter of bearing support.
Those having ordinary skill in the art will appreciate that, as a part for Pulley shaft, in other embodiments, the first protuberance, the second protuberance also as independent part manufacture, then can be affixed on the bearing support of Pulley shaft.
The electromagnetic fan clutch of first-selected mode of execution also comprises rotor, heat dissipating ring, coil, permanent-magnetic clamp, flabellum fastening flange.
Preferably, rotor 4 covers the second protuberance 39 at Pulley shaft 3 perpendicular on the side of longitudinal direction, heat dissipating ring 5 is enclosed within the periphery of rotor 4, and be pressed on the fixing part of rotor 4, one fastening screw trip bolt 51 passes the fixing part of heat dissipating ring 5 and rotor 4, be tightened in the screw hole of the second protuberance 39 of Pulley shaft 3, heat dissipating ring 5, rotor 4 be fixed on the second protuberance 39 of Pulley shaft 3, heat dissipating ring is rotated around the spindle with rotor together with Pulley shaft.Heat dissipating ring 5 has multiple radiating fin extended radially outward, to improve radiating efficiency.
Preferably, the side of rotor 4 second protuberance 39 of Pulley shaft 3 dorsad is not hidden by heat dissipating ring 5, so that and the sucker adhesive that will be described to below.
Preferably, the shape of the second protuberance 39 of rotor 4 and Pulley shaft 3 is specifically designed, and makes between, forms a coil installing space around center line.Coil base 61 is enclosed within main shaft 1 regularly, and is arranged in this coil installing space.Coil 63 is contained in coil base 6.
Preferably, coil base 6 is formed with a radial hole 65, and main shaft 1 is led in its one end.The part that coil 63 connects electric wire connects with radial hole 65, so that electric wire passes through from radial hole 65.Main shaft 1 and radial hole 65 connecting part opening, radially extend to form radial hole 13 in main shaft inside, until be communicated with the center hole 14 of main shaft 1, one end of center hole 14 extends towards one end 11 of main shaft 1 and finally communicates with the external world.The main shaft joint 21 of support 2 is formed with a through hole 24, communicates with the outside of support 2.By the through hole 14 of the radial hole 65 of coil base 6, the radial hole 12 of main shaft 1 and center hole 14, support, form a coil circuit passage, make to need the rotating parts (such as Pulley shaft, rotor, heat dissipating ring etc.) being arranged on electric wire in electromagnetic fan clutch, that be connected with coil and/or circuit components and electromagnetic fan clutch all to keep apart, when rotating parts operates, these electric wires and/or circuit components can not reverse thereupon even twist off, thus improve the stability of electromagnetic fan clutch running, extend its working life.In this first-selected mode of execution, radial hole 12 on main shaft and center hole 14 pass from main shaft inside, persons of ordinary skill in the art may appreciate that in other embodiments, the hole that main shaft passes for coil circuit also can be located at other positions of main shaft, the outer surface of such as main shaft.
Preferably, flabellum fastening flange 7 is rotatably set on the other end 18 of main shaft 1 by bearing 71, second locking nut 17 is tightened on the outside thread of the other end 18 of main shaft 1, longitudinally fixing relative to main shaft 1 between another shaft shoulder 16 inner ring of the bearing 71 of supporting flabellum fastening flange 7 being pressed on the second locking nut 17 and main shaft 1.Jump ring 72 is contained in the groove on flabellum fastening flange 7 inner peripheral surface, coordinates with the step on flabellum fastening flange 7 inner peripheral surface, makes flabellum fastening flange 7 relative fixing in the vertical with the outer ring of bearing 71.By this set, flabellum fastening flange by longitudinally fixing relative to main shaft, and can rotate around the spindle.
Preferably, in the inner side of flabellum fastening flange 7, one or more fastening screw trip bolt 75 (illustrate only one of them fastening screw trip bolt 75 in figure) is connected with the tapped hole on flabellum fastening flange 7 through plate spring sheet 74, permanent-magnetic clamp 73 successively, permanent-magnetic clamp 73 is fixed on the inner side of flabellum fastening flange 7, the head of fastening screw trip bolt 75 to be positioned at inside permanent-magnetic clamp and to protrude from plate spring sheet 74.
As shown in Figure 2, many groups N, S pole permanent magnet has been arranged alternately along the circumference around center line in permanent-magnetic clamp 73.Inner at heat dissipating ring 5, in radial position place relative with the permanent magnet on permanent-magnetic clamp, be provided with some magnet cases 52.Preferably, magnet case 52 is magnetic conduction steel discs, and in other embodiments, magnet case also can be other suitable materials or suitable form.
Preferably, sucker 77 is formed with one or more waist shaped hole 76 in the direction around center line, permanent-magnetic clamp is provided with spacing preiection towards the side of sucker 77.Preferably, the head of fastening screw trip bolt 75 is used by as this spacing preiection.Sucker 77 is between permanent-magnetic clamp 73 and rotor 4, and waist shaped hole 76 is corresponding with fastening screw trip bolt 75 position, and the head of fastening screw trip bolt 75 drops in waist shaped hole 76.Preferably, waist shaped hole 76 is being greater than the head of fastening screw trip bolt 75 around size on the direction of center line, sucker 77 and permanent-magnetic clamp 73 slightly can be relatively rotated around center line, play shock absorbing effect when rotation speed change.Sucker 77 is not clamped tightly between permanent-magnetic clamp 73 and rotor 4, but leaves gap in the vertical, so that sucker and the mutual adhesive of rotor or disengagement.Correspondingly, sucker can move between an attracted position and a disengaged position.
When the control circuit of engine-cooling system receives the signal exceeding default water temperature, control coil is energized, sucker is made to be pull-in on rotor, now rely on the frictional force between sucker and rotor, formation is rigidly connected, the rotor be connected with Pulley shaft drives sucker to rotate, thus drives flabellum fastening flange 7 and install the rotation of superincumbent electric fan (not shown).Under rigidly connected normal working, namely adhesive place of sucker and rotor do not have lubricated oil, steam etc. to invade and harass and not super moment of torsion time, non-slip between sucker and rotor, flabellum rotates comparatively fast, heat radiation when applicable engine cooling water temperature is higher.
When the control circuit of engine-cooling system receives the signal of water temperature lower than default water temperature, control coil power-off thus save the energy, now sucker and rotor are thrown off, rely on the suction replaced, repulsion that N, S pole permanent magnet on permanent-magnetic clamp applies the magnet case on heat dissipating ring, formation flexibly connects, and drag flabellum fastening flange with the rotational speed lower than Pulley shaft, flabellum reaches a stabilized speed gradually, now flabellum rotates comparatively slow, heat radiation when applicable engine cooling water temperature is not too high.
One emergent fastening piece 8, be preferably a fastening screw trip bolt, can be tightened in the screw of heat dissipating ring 5 through permanent-magnetic clamp 73, to screw on this emergent fastening screw trip bolt when the clutch function of electromagnetic fan clutch loses efficacy, flabellum fastening flange by direct driven rotary, thus will ensure the emergency operating of engine-cooling system.
Above-mentioned embodiment is only described preferred implementation of the present utility model, and not limits protection domain of the present utility model.Under the prerequisite not departing from the utility model design concept and scope; those of ordinary skill in the art to the various distortion done by the technical solution of the utility model, alternative and improvement, all should belong to protection category of the present utility model according to text description provided by the utility model, accompanying drawing.Protection domain of the present utility model is determined by claim.
Claims (10)
1. an electromagnetic fan clutch, comprises:
One main shaft;
One fixed support, a Pulley shaft, a flabellum fastening flange, be contained on described main shaft successively, wherein said Pulley shaft, described flabellum fastening flange can be fixed relative to described main shaft relative to described main axis in the vertical around the center line of described main shaft;
One permanent-magnetic clamp, is fixed on the side of described fan fastening flange towards described Pulley shaft;
One heat dissipating ring and a rotor, being arranged between described permanent-magnetic clamp and described Pulley shaft and being fixed on described Pulley shaft, form a coil installing space between described rotor and described Pulley shaft, described heat dissipating ring is provided with magnet case;
One coil base, being contained on described main shaft and being positioned at described coil installing space, coil is contained on described coil base;
One sucker, is arranged between described permanent-magnetic clamp and described rotor, and with described rotor adhesive or can throw off from rotor, described sucker can move between an attracted position and a disengaged position;
It is characterized in that, described fixed support is fixed on one end of described main shaft, comprises a main shaft joint and the motor joint that be fixedly installed relative to described main shaft joint.
2. electromagnetic fan clutch as claimed in claim 1, it is characterized in that, described main shaft joint is fixed on one end of described main shaft, and described motor joint is positioned at outside one end of described main shaft in described longitudinal direction, and the surface being suitable for connecting engine shell is plane.
3. electromagnetic fan clutch as claimed in claim 1, it is characterized in that, described Pulley shaft is sleeved on described main shaft by a supporting group rotationally, described supporting group comprises clutch shaft bearing, the second bearing, is arranged on inner spacing collar between clutch shaft bearing and the second bearing and outer separator, described inner spacing collar is sandwiched between the inner ring of described clutch shaft bearing and the inner ring of described second bearing, and described outer separator is sandwiched between the outer ring of described clutch shaft bearing and the outer ring of described second bearing.
4. electromagnetic fan clutch as claimed in claim 1, it is characterized in that, described electromagnetic fan clutch comprises further: a coil circuit passage fixed relative to described main spindle's.
5. electromagnetic fan clutch as claimed in claim 4, it is characterized in that, described coil circuit passage comprises further: be positioned at the first hole on described coil base, the second hole be positioned on described main shaft, the 3rd hole be positioned on described fixed support.
6. electromagnetic fan clutch as claimed in claim 5, it is characterized in that, the part that described first hole and described coil are connected electric wire connects, and described first hole, described second hole, described 3rd hole communicate, and described fixed support outside is led in described 3rd hole.
7. electromagnetic fan clutch as claimed in claim 6, it is characterized in that, described second hole is passed from described main shaft inside.
8. electromagnetic fan clutch as claimed in claim 1, it is characterized in that, described permanent-magnetic clamp is provided with spacing preiection towards the side of described sucker, described sucker is provided with waist shaped hole that the center line around described main shaft extends and described waist shaped hole has the size being greater than described spacing preiection on the centerline direction around described main shaft, and described spacing preiection is arranged in described waist shaped hole.
9. electromagnetic fan clutch as claimed in claim 1, it is characterized in that, described electromagnetic fan clutch comprises an emergent fastening piece further, and when clutch lost efficacy, described emergent fastening piece was suitable for relative with described Pulley shaft for described flabellum fastening flange fixing.
10. electromagnetic fan clutch as claimed in claim 9, it is characterized in that, when clutch lost efficacy, the part that described emergent fastening piece is adapted to pass through described permanent-magnetic clamp was fixed on described heat dissipating ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520596780.0U CN205064074U (en) | 2015-08-07 | 2015-08-07 | Electromagnetic fan clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520596780.0U CN205064074U (en) | 2015-08-07 | 2015-08-07 | Electromagnetic fan clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205064074U true CN205064074U (en) | 2016-03-02 |
Family
ID=55390641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520596780.0U Expired - Fee Related CN205064074U (en) | 2015-08-07 | 2015-08-07 | Electromagnetic fan clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205064074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518269A (en) * | 2018-04-02 | 2018-09-11 | 浙江耐士伦机械有限公司 | A kind of electromagnetic fan clutch |
-
2015
- 2015-08-07 CN CN201520596780.0U patent/CN205064074U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518269A (en) * | 2018-04-02 | 2018-09-11 | 浙江耐士伦机械有限公司 | A kind of electromagnetic fan clutch |
| CN108518269B (en) * | 2018-04-02 | 2024-01-30 | 浙江耐士伦机械有限公司 | Electromagnetic fan clutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170809 Address after: 215000, No. 1, No. 58, Sheng Yin Road, Suzhou Industrial Park, Jiangsu, Suzhou Patentee after: KENDRION ELECTROMAGNETIC TECHNOLOGY (SUZHOU) CO.,LTD. Address before: 210000 Jiangsu city of Nanjing province Qixia economic and Technological Development Zone Run Hua Road No. 14 Patentee before: KENDRION LINNING DRIVE TECH. (NANJING) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 No. 1, No. 58, Yin Sheng Road, Sheng Pu zoning, Suzhou Industrial Park, Suzhou, Jiangsu Patentee after: KENDRION ELECTROMAGNETIC TECHNOLOGY (CHINA) CO.,LTD. Address before: 215000 No. 1, No. 58, Yin Sheng Road, Sheng Pu zoning, Suzhou Industrial Park, Suzhou, Jiangsu Patentee before: KENDRION ELECTROMAGNETIC TECHNOLOGY (SUZHOU) CO.,LTD. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 215121 No. 2, No. 17 Suhong Road, Suzhou Industrial Park, Suzhou, Jiangsu. Patentee after: KENDRION ELECTROMAGNETIC TECHNOLOGY (CHINA) CO.,LTD. Address before: 215000 No. 1, No. 58, Yin Sheng Road, Sheng Pu zoning, Suzhou Industrial Park, Suzhou, Jiangsu Patentee before: KENDRION ELECTROMAGNETIC TECHNOLOGY (CHINA) CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20210807 |