CN201867275U - Sensor for measuring radial force - Google Patents
Sensor for measuring radial force Download PDFInfo
- Publication number
- CN201867275U CN201867275U CN2010206287286U CN201020628728U CN201867275U CN 201867275 U CN201867275 U CN 201867275U CN 2010206287286 U CN2010206287286 U CN 2010206287286U CN 201020628728 U CN201020628728 U CN 201020628728U CN 201867275 U CN201867275 U CN 201867275U
- Authority
- CN
- China
- Prior art keywords
- sensor
- ring
- measurement
- radial force
- elastic body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model relates to a sensor for measuring radial force, which comprises an outer support ring, an inner fixed ring, a measuring elastic body, a measuring circuit and signal lead wires, wherein the cross section of the outer support ring is in an annular shape, the cross section of the inner fixed ring is also in an annular shape, the diameter of the inner fixed ring is smaller than the diameter of the outer support ring, the measuring elastic body is arranged between the outer support ring and the inner fixed ring, the measuring circuit is provided with a strain foil, in addition, the strain foil is arranged on the measuring elastic body, the signal lead wire is electrically connected with the strain foil, the outer support ring, the measuring elastic body and the inner fixed ring are integrally formed, and in addition, the outer support ring, the measuring elastic body and the inner fixed ring are coaxial. Compared with the existing similar sensor, the sensor for measuring radial force provided by the utility model is characterized in that the outer support ring, the measuring elastic body and the inner fixed ring are integrally formed, and in addition, an inner ring patch hole and an outer ring patch hole are respectively arranged on the inner fixed ring and the outer support ring, so the measurement operation is convenient.
Description
Technical field
The utility model relates to a kind of sensor, in particular to a kind of sensor of radial force of the wheel of measuring rotation.
Background technology
Along with development of science and technology, mechanical hook-up and equipment have become indispensable element among the human lives gradually, and in increasing occasion, need measure the suffered radial force of the element that rotates in the machinery, thereby could guarantee that these machineries can serve the mankind safely, better.
At correlative technology field, Chinese patent publication number CN01488072A discloses a kind of measuring equipment that is used to measure radial force and/or axial force, its application number is 01822374.5, SKF Industrial Trading ﹠ Development Co. B. V. of the artificial Holland of application, this patented claim mainly discloses a kind of measuring equipment that is used to measure axial load on the bearing and/or radial load, and described bearing comprises a plurality of rolling bodys between interior ring, outer shroud and the described inner and outer ring.Described measuring equipment comprises sensor ring, this sensor ring be set in abutting connection with the interior ring of bearing or outer shroud and with they close contacts, have at least one weakened part on the circumference of this sensor ring, at least one sensor is set on described at least one weakened part.
Chinese patent publication number 101191736A also discloses a kind of rotation sensor, its application number is 200710196158.0, Dr. Johannes Heidenhain GmbH of the artificial Germany of application, this patented claim includes two assemblies, and they rotatably are provided with mutually around axis.First assembly includes detector assembly; Second assembly includes: code wheel; Have axle, the shaft shoulder of center pit and have outside surface in flakes; Annular solid, it has inside surface and catanator; And member, it is arranged between the inside surface of outside surface and annular solid.Wherein code wheel can be detected apparatus scanning and be used for measuring two assemblies relative angular position each other, be all different to the distance of axis at point on the annular solid inside surface or the point on the outside surface at axle, therefore by catanator annular solid is bearing on the shaft shoulder, thereby by member a masterpiece with radial direction component is used in flakes and goes up, thereby the machine parts in the hole that is enclosed in axle is clamped.
In addition, the application people for Tsing-Hua University, application number is that 201010100187.4 patented claim (publication number is CN101788365A) also discloses a kind of device for measuring radial force of rod piece, it is used for the loom radial force is measured, and acts on grip on the sensor and axial force and can not exert an influence to force measurement radially.
But, above-mentioned patented claim all is not suitable for measures the radial force that belt applies the belt wheel in the running, the above-mentioned measuring equipment that is used to measure radial force and/or axial force mainly is axial load and/or the radial load that is used to measure on the bearing, above-mentioned rotation sensor mainly is to be used to improve measured axle and the clamping force between the rotation sensor axle, and above-mentioned device for measuring radial force of rod piece mainly is to be used for the loom radial force is measured.
In at engine accessory power rating or timing kinematic train, during by belt or chain drive, belt or chain impose on belt wheel or the certain radial force of sprocket wheel, in order to understand belt wheel, sprocket wheel or the belt stressing conditions in system's operation process, need measure aforementioned radial force, and above-mentioned sensor all can't carry out such measurement.Can finish such measured sensor at present and mainly comprise outer support ring, measure elastic body, the internal fixation ring, this measurement elastic body is arranged between outer support ring and the internal fixation ring, and by a plurality of bolts (being generally three) on the excircle of support ring outside and be connected with outer support ring, this measurement elastic body is provided with full-bridge circuit, and outer connector is fixed on the ora terminalis of outer support ring by affixed mode, the signal lead of this full-bridge circuit then is welded to four terminals on the outer connector earlier, and then is connected with each pin of foil gauge in the full-bridge circuit.
Because outer support ring is to be connected by bolt with measuring between the elastic body, thereby make that the subsides foil gauge can be cumbersome, the outer support ring of need dismantling earlier, stick foil gauge, load onto outer support ring then, make that the whole operation process is more numerous and diverse, in addition because outer support ring is to be connected by bolt with measuring elastic body, thereby make holding capacity diminish, general stressedly can cause the sensor deformed damaged after surpassing 3000N.
In the prior art, internal fixation ring and the gap of measuring between the elastic body are very big usually, be exactly to paste foil gauge for convenience, so can cause the whole sensor size bigger, cause its not radial force of the undersized wheel of energy measurement, can only measure the wheel of diameter greater than 60mm, this makes the range of application of sensor be subjected to influence.
In order to reduce overall dimensions as far as possible, guaranteeing the internal fixation ring and measuring gap between the elastic body enough greatly conveniently during the subsides foil gauge, tend to the elastomeric size decreases of measurement (elastic body narrows down), make the stressed variation of sensor so equally.
The information that is disclosed in the utility model background technology part only is intended to deepen the understanding to the utility model general background technology, and should not be regarded as admitting or hint in any form that this information constitutes being prior art known in those skilled in the art.
The utility model content
Shortcoming in view of above-mentioned prior art, the purpose of this utility model provides a kind of sensor of measuring radial force, its sensor that can solve prior art is the problem of the radial force of energy measurement small size wheel not, and can improve the radial force that sensor bears simultaneously.
For reaching above-mentioned purpose, the utility model provides a kind of sensor of measuring radial force, and it comprises: outer support ring, and its cross section is circular; Internal fixation ring, its cross section also are circular, and the diameter of described internal fixation ring is less than the diameter of described outer support ring; Measure elastic body, described measurement elastic body is arranged between described outer support ring and the internal fixation ring; Metering circuit, described metering circuit has foil gauge, and described foil gauge is arranged on the described measurement elastic body; And signal lead, described signal lead and described foil gauge electrically connect; Wherein, described outer support ring, described measurement elastic body and described internal fixation ring are formed in one, and described outer support ring, described measurement elastic body and described internal fixation ring are coaxial.
In the sensor of above-mentioned measurement radial force, run through being provided with the lead-in wire perforation vertically in the joint of described measurement elastic body and outer support ring, described signal lead passes described lead-in wire perforation back and described foil gauge electric connection.
In the sensor of above-mentioned measurement radial force, the periphery of described outer support ring is provided with outer shroud paster hole.
In the sensor of above-mentioned measurement radial force, ring paster hole in the periphery of described internal fixation ring is provided with
In the sensor of above-mentioned measurement radial force, described outer shroud paster hole and described interior ring paster hole respectively are two, and are provided with corresponding to each other.
In the sensor of above-mentioned measurement radial force, ring paster hole is all with respect to the axle center symmetry in described two outer shroud paster holes and described two.
In the sensor of above-mentioned measurement radial force, the outer circumference surface of the elastomeric side of described measurement is connected with the inner peripheral surface one of described outer support ring, and the inner peripheral surface of the relative opposite side of described measurement elastic body is connected with the outer circumference surface one of described internal fixation ring.
In the sensor of above-mentioned measurement radial force, the angle to the line in axle center is 90 ° to the center of the line in axle center and the perforation of described lead-in wire at the center in described inner and outer rings paster hole.
In the sensor of above-mentioned measurement radial force, the elastomeric inside and outside periphery of described measurement is provided with the foil gauge positioning part with respect to the position in described inner and outer rings paster hole.
In the sensor of above-mentioned measurement radial force, described signal lead is arranged with protective sleeve in the part of passing described lead-in wire perforation.
The beneficial effects of the utility model are:
The utility model and same type of sensor in the past different are outer support ring, measure elastic body and the internal fixation ring is integrated, and the internal fixation ring and outside have inner and outer rings paster hole respectively on the support ring, this just provides a kind of new mode for Miniature Sensor is attached to measure on the elastic body foil gauge of dynamometry in small space, and the outer shroud paster hole on interior ring paster hole on the internal fixation ring and the outer support ring provides convenience for various sensitive measurement elements being attached on the measurement elastic body.
Because sensor of the present utility model is integrated, its structure is compact more and power that born is bigger, so it can measure the minimum directly dynamic radial power of 50mm wheel, and the radial force that can maximum measure 8000N.
In addition, the utility model has also adopted the signal lead of deep embeded type, its sensor lead that can solve prior art always run up measure in easily broken problem, avoid often engaging the signal lead broken or weld pads again, thereby brought facility to measuring operation, more avoided because the high temperature of the welding gun that multiple welding caused scorches sensor.
Be used from the embodiment that some principle of the utility model is described by Figure of description and with accompanying drawing one, further feature that the utility model had and advantage will become clear or more specifically be illustrated.
Description of drawings
Fig. 1 is the stereographic map of the utility model embodiment.
Fig. 2 is the stereographic map of another angle of the utility model embodiment.
Fig. 3 is a front view of the present utility model.
Fig. 4 is a side view of the present utility model.
Fig. 5 is the cross-sectional view along A-A line among Fig. 3.
Planimetric map when Fig. 6 is installed on the wheel for the utility model.
It should be understood that each feature of the present utility model shown in the accompanying drawing may adopt the mode of simplifying to represent to a certain extent, and not necessarily in strict accordance with scale.Specific design feature of the present utility model disclosed herein comprises for example specific dimensions, orientation, position and shape, will partly determine according to concrete application and environment for use.
Reference numeral is in the accompanying drawings represented identical or equivalent part of the present utility model in whole several accompanying drawings.
Embodiment
Below, will describe embodiment of the present utility model in detail, the example shows in the accompanying drawings and the description below.Though will describe the utility model in conjunction with exemplary embodiment, be to be understood that this description do not really want the utility model is limited to this exemplary embodiment.On the contrary, the utility model will not only cover this exemplary embodiment, but also cover various replacements, that change, equivalence with other embodiment, it can be included in the spirit and scope of the present utility model that claims limit.
Be specifically described below in conjunction with the sensor of accompanying drawing measurement radial force of the present utility model.
Please refer to Fig. 1 to Fig. 5, the utility model provides a kind of sensor of measuring radial force, and it comprises:
Measure elastic body 3, this measurement elastic body 3 is arranged between outer support ring 1 and the internal fixation ring 2.
Metering circuit (figure does not show), this metering circuit have foil gauge (figure does not show), and this foil gauge is arranged on measurement elastic body 3 bodies; As a rule, foil gauge can use the mode of pasting and be attached on the measurement elastic body 3.
Signal lead (figure does not show), this signal lead and described foil gauge electrically connect.
In embodiment of the present utility model, outer support ring 1, measurement elastic body 3 and internal fixation ring 2 can be formed in one, and outer support ring 1, measurement elastic body 3 and internal fixation ring 2 are coaxial settings.Described one-body molded, the outer circumference surface that can be set to measure a side of elastic body 3 is connected (as Fig. 3, shown in Figure 5) with the inner peripheral surface one of outer support ring 1, and the inner peripheral surface of measuring the relative opposite side of elastic body 3 is connected (as Fig. 3, shown in Figure 5) with the outer circumference surface one of internal fixation ring 2, above-mentioned one-body molded be by modes such as electrosparking, line cutting processing, and with outer support ring 1, measure that elastic body 3 and internal fixation ring 2 form as one.
In embodiment of the present utility model, can be vertically run through being provided with lead-in wire perforation 31, and described signal lead passes lead-in wire perforation 31 backs and described foil gauge electric connection in the joint of described measurement elastic body 3 and outer support ring 1.In practical operation, signal lead is arranged with protective sleeve (figure does not show) in the part of passing lead-in wire perforation 31, and after signal lead passes lead-in wire perforation 31, it can be welded on and measure on the elastic body 3, thereby make connection more firm.
In addition, the periphery of outer support ring 1 is provided with outer shroud paster hole 11, ring paster hole 21 in the periphery of internal fixation ring 2 is provided with.Specifically, outer shroud paster hole 11 and interior ring paster hole 21 respectively are two, and are provided with corresponding to each other.The so-called setting that corresponds to each other is meant, one of them of one of them of outer shroud paster hole 11 and interior ring paster hole 21 is provided with (as shown in Figure 1) accordingly, and another of outer shroud paster hole 11 then is provided with (as shown in Figure 1) accordingly with another of interior ring paster hole 21.And ring paster hole 21 is all with respect to the axle center symmetry in above-mentioned two outer shroud paster holes 11 and two.
By outer shroud paster hole 11 and interior ring paster hole 21 are set, thus can be so that directly on the inside and outside circumference of measuring elastic body 3, paste foil gauge by inner and outer rings paster hole.In addition, in order to paste foil gauge easily, can also be provided with foil gauge positioning part 32,33 with respect to the position in inner and outer rings paster hole at the inside and outside periphery of measuring elastic body 3.
In embodiment of the present utility model, the angle to the line in axle center is 90 ° to the center of the line in axle center and lead-in wire perforation 31 at the center in inner and outer rings paster hole 11,21.That is to say, with reference to shown in Figure 3, if sensor of the present utility model is regarded as a dial plate, through wires hole 31 can be arranged on the position at 12 o'clock, two pairs of 11,21 in inner and outer rings paster holes are separately positioned on 9 o ' clock positions and 3 o ' clock positions so, so just make that the angle to the line in axle center is 90 ° to the center of the line in axle center and lead-in wire perforation 31 for the center in inner and outer rings paster hole 11,21.
The utility model in use, the installation direction of sensor is fixed, as shown in Figure 6, and the sheathed bearing 4 of the excircle of outer support ring 1, and at the sheathed again adapter 5 identical of the excircle of bearing 4, and be locked by middle bolt 7 with the wheel diameter that will measure.When rotated, belt 6, adapter 5 and bearing 4 rotate, and sensor of the present utility model itself does not rotate.
During the belt running, have the power to wheel (radial force) of a fixed-direction, this power finally makes B, the C place of measuring elastic body 3 produce deformation via A, foil gauge is attached near the B, C place the foil gauge positioning part by inner and outer rings paster hole, it forms a strain full bridge circuit, and changes in resistance is directly proportional with elastic deformation.Like this, we measure the size that analog voltage signal just can obtain the dynamic radial force of this wheel.Wherein, above-mentioned A place is meant near the position (as shown in Figure 6) measuring elastic body 3 is connected with internal fixation ring 2 one, and above-mentioned B, C place are meant near the position (cooperation Fig. 6 and shown in Figure 3) corresponding foil gauge positioning part 32,33 on the measurement elastic body 3.
The utility model is used for measuring the radial force of the wheel that is driven by bent axle on the engine more, because bent axle can be subjected to each time of engine igniter shock, so this radial force is the power of a change.If motor-operated wheel basically radial force change very for a short time, remove unsupported changing.
The utility model and same type of sensor in the past different are outer support ring, measure elastic body and the internal fixation ring is integrated, and the internal fixation ring and outside have inner and outer rings paster hole respectively on the support ring, this just provides a kind of new mode for Miniature Sensor is attached to measure on the elastic body foil gauge of dynamometry in small space, and the outer shroud paster hole on interior ring paster hole on the internal fixation ring and the outer support ring provides convenience for various sensitive measurement elements being attached on the measurement elastic body.
Therefore, because sensor of the present utility model is integrated, its structure is compact more and power that born is bigger, so it can measure the minimum directly dynamic radial power of 50mm wheel, and the radial force that can maximum measure 8000N.
In addition, the utility model has also adopted the signal lead of deep embeded type, its sensor lead that can solve prior art always run up measure in easily broken problem, avoid often engaging the signal lead broken or weld pads again, thereby brought facility to measuring operation, more avoided because the high temperature of the welding gun that multiple welding caused scorches sensor.
The signal lead of this deep embeded type is stayed the sensor reverse side to pad; the cable of band protective sleeve is drawn from the lead-in wire perforation; the protective sleeve of this section cable in the lead-in wire perforation is made it by glue special and the perforation hole wall that goes between is combined closely; bear pulling force by protective sleeve in the work; be difficult for making signal lead to be broken; and owing to the space has changed, comparatively convenient during the fastening bolt of fixing centre.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obvious specific implementation of the present utility model is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present utility model and technical scheme to carry out; perhaps design of the present utility model and technical scheme are directly applied to other occasions, all within protection domain of the present utility model without improving.
Claims (10)
1. a sensor of measuring radial force is characterized in that, comprising:
Outer support ring, its cross section is circular;
Internal fixation ring, its cross section also are circular, and the diameter of described internal fixation ring is less than the diameter of described outer support ring;
Measure elastic body, described measurement elastic body is arranged between described outer support ring and the internal fixation ring;
Metering circuit, described metering circuit has foil gauge, and described foil gauge is arranged on the described measurement elastic body; And
Signal lead, described signal lead and described foil gauge electrically connect;
Wherein, described outer support ring, described measurement elastic body and described internal fixation ring are formed in one, and described outer support ring, described measurement elastic body and described internal fixation ring are coaxial.
2. the sensor of measurement radial force according to claim 1, it is characterized in that, run through being provided with the lead-in wire perforation vertically in the joint of described measurement elastic body and outer support ring, described signal lead passes described lead-in wire perforation back and described foil gauge electric connection.
?
3. the sensor of measurement radial force according to claim 2 is characterized in that, the periphery of described outer support ring is provided with outer shroud paster hole.
4. the sensor of measurement radial force according to claim 3 is characterized in that, ring paster hole in the periphery of described internal fixation ring is provided with.
5. the sensor of measurement radial force according to claim 4 is characterized in that, described outer shroud paster hole and described interior ring paster hole respectively are two, and are provided with corresponding to each other.
6. the sensor of measurement radial force according to claim 5 is characterized in that, ring paster hole is all with respect to the axle center symmetry in described two outer shroud paster holes and described two.
7. the sensor of measurement radial force according to claim 6, it is characterized in that, the outer circumference surface of the elastomeric side of described measurement is connected with the inner peripheral surface one of described outer support ring, and the inner peripheral surface of the relative opposite side of described measurement elastic body is connected with the outer circumference surface one of described internal fixation ring.
8. the sensor of measurement radial force according to claim 7 is characterized in that, the angle to the line in axle center is 90 ° to the center of the line in axle center and the perforation of described lead-in wire at the center in described inner and outer rings paster hole.
9. the sensor of measurement radial force according to claim 4 is characterized in that, the elastomeric inside and outside periphery of described measurement is provided with the foil gauge positioning part with respect to the position in described inner and outer rings paster hole.
10. the sensor of measurement radial force according to claim 2 is characterized in that, described signal lead is arranged with protective sleeve in the part of passing described lead-in wire perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206287286U CN201867275U (en) | 2010-11-29 | 2010-11-29 | Sensor for measuring radial force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206287286U CN201867275U (en) | 2010-11-29 | 2010-11-29 | Sensor for measuring radial force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201867275U true CN201867275U (en) | 2011-06-15 |
Family
ID=44138427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206287286U Expired - Fee Related CN201867275U (en) | 2010-11-29 | 2010-11-29 | Sensor for measuring radial force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201867275U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104723600A (en) * | 2015-03-16 | 2015-06-24 | 武汉轻工大学 | Chamber internal stress test method of screw oil press |
| CN105181280A (en) * | 2015-09-09 | 2015-12-23 | 北京理工大学 | Sealing ring radial elastic force measuring device |
| CN110036268A (en) * | 2016-11-30 | 2019-07-19 | 基斯特勒控股公司 | Measurement sensor for measuring force |
| CN110088585A (en) * | 2016-11-28 | 2019-08-02 | Tq系统公司 | Electric Drive element, torque-measuring apparatus and flywheel assembly |
-
2010
- 2010-11-29 CN CN2010206287286U patent/CN201867275U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104723600A (en) * | 2015-03-16 | 2015-06-24 | 武汉轻工大学 | Chamber internal stress test method of screw oil press |
| CN105181280A (en) * | 2015-09-09 | 2015-12-23 | 北京理工大学 | Sealing ring radial elastic force measuring device |
| CN105181280B (en) * | 2015-09-09 | 2017-10-13 | 北京理工大学 | A kind of measurement apparatus of sealing ring radical elasticity |
| CN110088585A (en) * | 2016-11-28 | 2019-08-02 | Tq系统公司 | Electric Drive element, torque-measuring apparatus and flywheel assembly |
| CN110088585B (en) * | 2016-11-28 | 2022-02-15 | Tq系统公司 | Electric transmission element, torque measuring device and flywheel assembly |
| CN110036268A (en) * | 2016-11-30 | 2019-07-19 | 基斯特勒控股公司 | Measurement sensor for measuring force |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201867275U (en) | Sensor for measuring radial force | |
| CN107246836B (en) | Piston and piston rod coaxality measuring mechanism and measurement method of adjustment | |
| CN102788652A (en) | Magnetostrictive sensor system and method | |
| CN106840482B (en) | A kind of tension of prestressed tendon stress and stress under anchorage test device and its test method | |
| CN104595352A (en) | roller bearing apparatus | |
| DE60007641D1 (en) | MAGNETIZED CONVERTER ELEMENT FOR A TORQUE OR FORCE SENSOR | |
| CN201867274U (en) | Radial force measurement sensor | |
| CN202177368U (en) | Non-contact type high-precision angular displacement sensor | |
| CN105181280A (en) | Sealing ring radial elastic force measuring device | |
| CN204241646U (en) | Circular high voltage isolating switch testing sensor | |
| CN202793293U (en) | Combined type gear box bearing hole and annular gear coaxiality error detection tool | |
| CN102589383B (en) | Inner gear ring gear measurement clamp | |
| CN201909691U (en) | Torque detecting device for continuous rotating shafts | |
| CN104677536A (en) | Dynamic torque test device for rotating shaft | |
| CN201104242Y (en) | Moving distance measuring device of improved rail-defect detector | |
| CN207074096U (en) | Strain-type toroid load cell | |
| CN201348548Y (en) | Replaceable optical fiber grating dynamometer | |
| CN104806733A (en) | Bearing stress based torque detection structure and method | |
| CN207528379U (en) | A kind of small-sized trunnion axis wind energy conversion system axial thrust-measuring device | |
| CN202066453U (en) | Testing device for planet tooth ring circularity and radial integral deviation | |
| CN203324014U (en) | Taper bearing testing tool | |
| CN202661603U (en) | Tool for detecting motor of compressor | |
| RU138033U1 (en) | MAGNET CORNER CONVERTER | |
| CN219178439U (en) | Pre-buried detection device of wind-driven generator blade root | |
| CN103292996A (en) | Test tooling for tapered bearing and mounting method for tapered bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20191129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |