CN1309608C - Magnetic suspension rail inspection vehicle chassis with guide wheel system - Google Patents
Magnetic suspension rail inspection vehicle chassis with guide wheel system Download PDFInfo
- Publication number
- CN1309608C CN1309608C CNB2003101089211A CN200310108921A CN1309608C CN 1309608 C CN1309608 C CN 1309608C CN B2003101089211 A CNB2003101089211 A CN B2003101089211A CN 200310108921 A CN200310108921 A CN 200310108921A CN 1309608 C CN1309608 C CN 1309608C
- Authority
- CN
- China
- Prior art keywords
- wheel
- guide
- rubber tire
- track adjusting
- track
- 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
Abstract
The present invention relates to a magnetic suspension track inspection vehicle chassis with a guide wheel system, which belongs to the track traffic engineering field. The chassis comprises a vehicle under-frame, vehicle drive bridges, a gear differential mechanism, a half shaft, rubber tyre wheels, rubber tyre guide wheels and guide wheel frames, wherein a plurality of vehicle drive bridges are fixed in parallel on the vehicle under-frame. The middle part and the inner part of the vehicle under-frame are provided with the gear differential mechanism and the half shaft, and both ends are provided with the rubber tyre wheels. The rubber tire guide wheels are arranged on wheel shafts at both end of the guide wheel frames and are capable of freely rotating. A plurality of groups of guide wheel frames are symmetrically and lengthways arranged along the vehicle under-frame, and are fixed at the lower parts at both opposite sides of the vehicle under-frame. The shaft line of the rubber tyre guide wheels is vertical to the shaft line of the rubber tyre wheels; the distance between the wheel rims of the guide wheels at both sides is greater than the width of the guide surfaces of guide rails at both opposite sides. The chassis provides lateral positioning support and guide to the safe running of magnetic suspension track inspection vehicles on magnetic suspension track girders along the girders along. The present invention has the advantages of simple and reasonable structure, smooth running, favorable guide performance and low running noise.
Description
Technical field
What the present invention relates to is a kind of magnetic levitation track inspection car chassis, particularly a kind of magnetic levitation track inspection car chassis that has guide wheel system.Belong to the railway traffic engineering field.
Background technology
The railway vehicle chassis that is used for track traffic at present, its running part is equipped with axle gear box and takes turns right railway axis of a movable block driving with several, it perhaps is known configuration in railroad truck, but only be applicable to that all railway track travels, it adopts with the matched steel wheel of rail section form and by the shaft shoulder and rail supporting, the guiding of wheel rim and leads.The walking of other form, supporting, guidance system, as be used for the car wheel structure of railing hoisting crane, loader or lane stacker, also basic identical with the car wheel structure form of railway vehicle.And the sleeper system architecture form of the floating high speed train of magnetic is different fully with ordinary road or rail, it is as travelling, supporting, the dedicated magnetic levitation track girder of guiding is very wide monorail support form, this width reaches the body width of vehicle, vehicle with the steel plate end face on both sides, magnetic levitation track girder top and with the perpendicular steel plate two sides of this end face as road surface of travelling and safety supporting, the guide rail of guiding guiding, because the adhesion wheel of both sides at the bottom of the car, distance is bigger between safety guiding that need be provided with in addition and the track adjusting wheel, in when therefore necessary consideration and solution negotiation of bends, the wheel speed difference problem of outboard wheels, and the problem of the guide rail spigot surface variable in distance between the track adjusting wheel of both sides.
Find by literature search, China Patent No.: 98236539.X, name is called: single track high speed train power chassis, this patent readme are that " a kind of single track high speed train power chassis is mainly used in the driving of electric power train.It is characterized in that: speed reduction gearing is installed on the portal frame, the output shaft and the driving wheel of speed reduction gearing join, driving wheel be seated single track above, the both sides, bottom of portal frame are separately installed with track adjusting wheel, distance just equals the width of single track between the wheel rim of the track adjusting wheel of both sides.Have high speed, simple, low cost and other advantages.Though " this utility model driving wheel be seated single track above; and be provided with respectively in the both sides, bottom track adjusting wheel be installed; distance just equals the width of single track between the wheel rim of the track adjusting wheel of both sides; thereby can travel; in when its running part can't solve and travel along very wide single track curved road surface; the wheel speed difference problem of outboard wheels along the single track guiding, and the both sides number is to the problem of the guide rail spigot surface variable in distance between the track adjusting wheel, because the wheelspan wheel rim of both sides track adjusting wheel is very narrow, this system architecture still only is suitable for leading on narrower track and travels, can not on the magnetic levitation track girder of the floating high speed train of magnetic, travel, so such The Application of Technology scope is subjected to great restriction with higher speed of a motor vehicle guiding.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of magnetic levitation track inspection car chassis that has guide wheel system is provided, the guide wheel system that cooperates both sides by the drive axle structure drive wheels that diff is housed, the safety supporting magnetic levitation track inspection car vehicle and the guiding of travelling, in when making it solve along negotiation of bends, the wheel speed difference problem of outboard wheels, and the very narrow technical limitation that just equals the guide rail spigot surface width of relative both sides of distance between the wheel rim of elimination track adjusting wheel, make running part can adapt to very wide magnetic levitation track girder, satisfy and to do two-way worker with the higher speed of a motor vehicle thereon and be engaged in patrolling and examining, the requirement that traction is travelled.
The present invention is achieved by the following technical solutions, the present invention includes: under-carriage, vehicle drive axle, gear differential mechanism, semiaxis, rubber tire wheel, rubber tire track adjusting wheel, guiding wheel carrier.Its annexation is: several nothings turn to the vehicle drive axle of function to be fixed on the under-carriage abreast, middle part in the vehicle drive axle is provided with gear differential mechanism and semiaxis, rubber tire wheel is arranged on the semiaxis of each root drive axle two mouth, the rubber tire track adjusting wheel is arranged on the wheel shaft at guiding wheel carrier two ends and can freely rotates, the axis of rubber tire track adjusting wheel and the axis normal of rubber tire wheel, the wheel rim of rubber tire track adjusting wheel is over against the upper side that is the spigot surface of magnetic levitation track girder, many group guiding wheel carriers are vertically arranged along under-carriage symmetrically, be fixed on the bottom of the relative both sides of under-carriage, distance is greater than the guide rail spigot surface width of relative both sides between the wheel rim of both sides track adjusting wheel, certain clearance is arranged, for the magnetic levitation track inspection car is made lateral register supporting and guiding in the track girder safety traffic of magnetic levitation track girder upper edge.
The present invention can also comprise the failure to the safe side wheel, the failure to the safe side wheel has covered the steel wheel of non-metallic material outward for wheel rim, its maximum outside diameter is less than the maximum outside diameter of rubber tire track adjusting wheel, as the carrying out safety backup of rubber tire track adjusting wheel, failure to the safe side wheel and rubber tire track adjusting wheel are arranged in couples on the same wheel shaft at the wheel carrier two ends of leading and also can freely rotate.Even the rubber tire track adjusting wheel is damaged in travelling, the existence of failure to the safe side wheel still can guarantee the lateral register of magnetic levitation track inspection car, the safe guiding that supports and travel.
The present invention is used as the vehicle chassis of magnetic levitation track inspection car, striding seat in the work is on the double-tee magnetic levitation track girder in the cross section, its rubber tire wheel is located in the end face of magnetic levitation track girder, the wheel rim wheel face of rubber tire track adjusting wheel then rests at magnetic levitation track girder top rectangle sides that is the spigot surface vertical with the magnetic levitation track top surface of the beam from two relative side direction, but between wheel rim wheel face and the spigot surface respectively in both sides or a side still have certain clearance.After the starting of magnetic levitation track inspection car, vehicle drive axle drives rubber tire wheel and rotates, the rubber tire track adjusting wheel is then done driven rotation, therefore the magnetic levitation track inspection car is in the track girder safety traffic of the positioning and guiding lower edge on its chassis, as bend, the walking wheel speed of the gear differential mechanism automatic compensation left and right sides rubber tire wheel in the drive axle is poor, prevents that rubber tire wheel from skidding, and the rubber tire track adjusting wheel on the guiding wheel carrier of the left and right sides is with the spigot surface roll rotational.
The present invention has substantive distinguishing features and marked improvement owing to be provided with gear differential mechanism in the vehicle drive axle, so the walking drive wheels of under-carriage both sides during along negotiation of bends the medial and lateral wheel can have wheel speed poor, can adapt to very wide magnetic levitation track girder; Many group rubber tire wheel design, with and wheel rim wheel face and spigot surface between the gap can guarantee to change travelling on the track girder or adapt to during along the negotiation of bends of track girder, make lateral register supporting and guiding for the safety traffic of magnetic levitation track inspection car well, and can be too not big because of the guiding friction force, sharp wear track adjusting wheel tire is crossed the power that consumes vehicle greatly even; Because wheel, track adjusting wheel are rubber tire, it rolls when travelling at the both sides, top of magnetic levitation track girder steel plate end face with perpendicular to both sides, the top steel plate spigot surface of this end face, adheres to that friction force is big, wear on tyres is little, the noise that travels is little; The present invention also is provided with and is parallel to this failure to the safe side of taking turns wheel except the rubber tire track adjusting wheel, carrying out safety backup as the rubber tire track adjusting wheel, even the rubber tire track adjusting wheel is damaged in travelling, the existence of failure to the safe side wheel still can guarantee the lateral register of magnetic levitation track inspection car, the safe guiding that supports and travel, and is unlikely burst vehicle disturbing accident.That the present invention has is simple and reasonable, travel that smooth-going guiding performance is good, the noise that travels is little, is applicable to magnetic levitation track traffic engineering field, as the vehicle chassis of magnetic levitation track inspection car.
Description of drawings
Fig. 1 structure front elevation of the present invention;
Fig. 2 structure birds-eye view of the present invention;
Fig. 3 structure side view of the present invention;
Fig. 4 A-A of the present invention is to cutaway view.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, the present invention includes: under-carriage 1, vehicle drive axle 2, gear differential mechanism 3, semiaxis 4, rubber tire wheel 5, rubber tire track adjusting wheel 6, guiding wheel carrier 7, its connection mode is: several nothings turn to the vehicle drive axle 2 of function to be fixed on abreast on the under-carriage 1, middle part in the vehicle drive axle 2 is provided with gear differential mechanism 3, the two ends of gear differential mechanism 3 respectively connect semiaxis 4, rubber tire wheel 5 is arranged on the semiaxis 4 of 2 liang of mouths of each root vehicle drive axle, rubber tire track adjusting wheel 6 is arranged on the wheel shaft at guiding wheel carrier 7 two ends and can freely rotates, the axis normal of the axis of rubber tire track adjusting wheel 6 and rubber tire wheel 5, the wheel rim wheel face of rubber tire track adjusting wheel 6 is over against the upper side that is the spigot surface of magnetic levitation track girder, distance is greater than the guide rail spigot surface width of relative both sides between the wheel rim of both sides track adjusting wheel 6, leave certain clearance, many group guiding wheel carriers 7 are vertically arranged along under-carriage 1 symmetrically, are fixed on the bottom of under-carriage 1 relative both sides.
The present invention or also comprise failure to the safe side wheel 8, failure to the safe side wheel 8 has covered the steel wheel of non-metallic material outward for wheel rim, its maximum outside diameter is less than the maximum outside diameter of rubber tire track adjusting wheel 6, and failure to the safe side wheel 8 and rubber tire track adjusting wheel 6 are arranged in couples on the same wheel shaft at guiding wheel carrier 7 two ends and also can freely rotate.
Claims (3)
1. magnetic levitation track inspection car chassis that has guide wheel system, comprise: under-carriage (1), vehicle drive axle (2), gear differential mechanism (3), semiaxis (4), rubber tire wheel (5), it is characterized in that also comprising: rubber tire track adjusting wheel (6), guiding wheel carrier (7), its connection mode is: several vehicle drive axles (2) are fixed on the under-carriage (1) abreast, middle part in the vehicle drive axle (2) is provided with gear differential mechanism (3), the two ends of gear differential mechanism (3) respectively connect semiaxis (4), rubber tire wheel (5) is arranged on the semiaxis (4) of each root vehicle drive axle (2) two mouth, rubber tire track adjusting wheel (6) is arranged on the wheel shaft at guiding wheel carrier (7) two ends and freely rotates, the axis normal of the axis of rubber tire track adjusting wheel (6) and rubber tire wheel (5), the wheel rim wheel face of rubber tire track adjusting wheel (6) is over against the upper side that is the spigot surface of magnetic levitation track girder, distance is greater than the guide rail spigot surface width of relative both sides between the wheel rim of both sides track adjusting wheel (6), leave the gap, many group guiding wheel carriers (7) are vertically arranged along under-carriage (1) symmetrically, are fixedly installed on under-carriage (1) bottom of both sides relatively.
2. the magnetic levitation track inspection car chassis that has guide wheel system according to claim 1, it is characterized in that, perhaps also comprise failure to the safe side wheel (8), failure to the safe side wheel (8) and rubber tire track adjusting wheel (6) are arranged in couples on the same wheel shaft at wheel carrier (7) two ends of leading and freely rotate.
3. the magnetic levitation track inspection car chassis that has guide wheel system according to claim 2 is characterized in that, failure to the safe side wheel (8) is the steel wheel that wheel rim has covered non-metallic material outward, and its maximum outside diameter is less than the maximum outside diameter of rubber tire track adjusting wheel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101089211A CN1309608C (en) | 2003-11-27 | 2003-11-27 | Magnetic suspension rail inspection vehicle chassis with guide wheel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101089211A CN1309608C (en) | 2003-11-27 | 2003-11-27 | Magnetic suspension rail inspection vehicle chassis with guide wheel system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1544278A CN1544278A (en) | 2004-11-10 |
| CN1309608C true CN1309608C (en) | 2007-04-11 |
Family
ID=34334935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101089211A Expired - Fee Related CN1309608C (en) | 2003-11-27 | 2003-11-27 | Magnetic suspension rail inspection vehicle chassis with guide wheel system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1309608C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624022B (en) * | 2009-08-06 | 2011-12-21 | 上海磁浮交通发展有限公司 | Normal conducting electromagnetic levitation type rail polling car |
| CN102661033A (en) * | 2012-05-14 | 2012-09-12 | 佛山市南海保达建筑机械设备有限公司 | Drawer type building receiving platform |
| WO2012139384A1 (en) * | 2011-04-12 | 2012-10-18 | 辽宁省电力有限公司 | A small single-rail moving mechanism |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139698A (en) * | 2011-02-06 | 2011-08-03 | 胡盼成 | Novel rail transit system |
| CN102730010A (en) * | 2011-04-12 | 2012-10-17 | 中国科学院沈阳自动化研究所 | Straddle type monorail travelling mechanism |
| CN102616244B (en) * | 2012-04-06 | 2015-04-01 | 萨伏威（西安）导航技术有限公司 | Portable multifunctional track combined traction trolley |
| CN102849083B (en) * | 2012-09-11 | 2014-12-03 | 成都市新筑路桥机械股份有限公司 | Tip-over preventive device for suspension type railcar |
| CN103802086B (en) * | 2014-02-17 | 2016-04-20 | 广州供电局有限公司 | Crusing robot |
| CN104692305A (en) * | 2015-01-29 | 2015-06-10 | 柳州市潮林机械有限公司 | Multi-wheel mounting bracket |
| CN104671162A (en) * | 2015-01-29 | 2015-06-03 | 柳州市潮林机械有限公司 | Traveling-wheel mounting seat |
| CN106080644B (en) * | 2016-08-30 | 2018-07-31 | 中车株洲电力机车有限公司 | A kind of articulated track vehicle bogie and rail vehicle |
| CN108657216B (en) * | 2017-03-30 | 2020-06-19 | 比亚迪股份有限公司 | Steering system and straddle type rail transit system with same |
| CN108657215B (en) * | 2017-03-30 | 2019-12-10 | 比亚迪股份有限公司 | Bogie frame and have its bogie assembly and rail vehicle |
| CN108974020B (en) * | 2017-05-31 | 2021-04-02 | 上海地捷科技有限公司 | Rail system |
| CN107416445B (en) * | 2017-08-02 | 2020-06-12 | 台州市杰龙风机厂 | Mechanical device for conveying parts in adjacent processes for production |
| CN108357503A (en) * | 2018-03-23 | 2018-08-03 | 赵清鹤 | A kind of shared gliding system of green |
| CN110104018B (en) * | 2019-04-23 | 2020-06-30 | 上海化学工业区公共管廊有限公司 | Upright track inspection robot based on synchronous belt drive |
| CN112003176A (en) * | 2020-08-24 | 2020-11-27 | 山东梅格彤天电气有限公司 | Intelligent power distribution room inspection device based on artificial intelligence and edge computing technology |
| CN114407968B (en) * | 2022-01-18 | 2023-03-28 | 中南大学 | Track irregularity detection device and method for straddle type monorail travel traffic system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4721430A (en) * | 1981-09-14 | 1988-01-26 | Brentwood Enterprises Ltd. | Railroad track vehicle |
| CN2034146U (en) * | 1988-06-28 | 1989-03-15 | 刘利山 | Track testing car |
| US5573080A (en) * | 1994-01-12 | 1996-11-12 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. | Work car |
| CN2328557Y (en) * | 1998-01-20 | 1999-07-14 | 马春东 | Single rail high speed train motive trolley |
| CN1314273A (en) * | 2000-03-17 | 2001-09-26 | 株式会社日立制作所 | One-rail vehicle |
| CN2528671Y (en) * | 2002-02-26 | 2003-01-01 | 赵柏川 | Railway inspecting trolley |
| CN2578193Y (en) * | 2002-11-15 | 2003-10-08 | 清华同方威视技术股份有限公司 | Trailer for large automatic scanning radiation system for detecting object |
-
2003
- 2003-11-27 CN CNB2003101089211A patent/CN1309608C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4721430A (en) * | 1981-09-14 | 1988-01-26 | Brentwood Enterprises Ltd. | Railroad track vehicle |
| CN2034146U (en) * | 1988-06-28 | 1989-03-15 | 刘利山 | Track testing car |
| US5573080A (en) * | 1994-01-12 | 1996-11-12 | Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. | Work car |
| CN2328557Y (en) * | 1998-01-20 | 1999-07-14 | 马春东 | Single rail high speed train motive trolley |
| CN1314273A (en) * | 2000-03-17 | 2001-09-26 | 株式会社日立制作所 | One-rail vehicle |
| CN2528671Y (en) * | 2002-02-26 | 2003-01-01 | 赵柏川 | Railway inspecting trolley |
| CN2578193Y (en) * | 2002-11-15 | 2003-10-08 | 清华同方威视技术股份有限公司 | Trailer for large automatic scanning radiation system for detecting object |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101624022B (en) * | 2009-08-06 | 2011-12-21 | 上海磁浮交通发展有限公司 | Normal conducting electromagnetic levitation type rail polling car |
| WO2012139384A1 (en) * | 2011-04-12 | 2012-10-18 | 辽宁省电力有限公司 | A small single-rail moving mechanism |
| CN102661033A (en) * | 2012-05-14 | 2012-09-12 | 佛山市南海保达建筑机械设备有限公司 | Drawer type building receiving platform |
| CN102661033B (en) * | 2012-05-14 | 2014-08-06 | 佛山市南海保达建筑机械设备有限公司 | Drawer type building receiving platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1544278A (en) | 2004-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1309608C (en) | Magnetic suspension rail inspection vehicle chassis with guide wheel system | |
| CN1317152C (en) | Magnetic suspension track inspection railcar chassis with floated steering system | |
| CN1077055C (en) | Rail gripping vehicle | |
| CN203283242U (en) | Steering frame of suspension type monorail vehicle | |
| CN105197047B (en) | A kind of rubber tyre low-floor bogie | |
| CN204956499U (en) | Tire low -floor bogie | |
| CN102358293A (en) | Non-adhesion driving structure for straddle type railway vehicle | |
| CN103332197A (en) | Suspension type monorail vehicle bogie | |
| CN108340934A (en) | A kind of straddle-type monorail train double mode driving bogie being suitable for very big ramp | |
| CN203283232U (en) | Suspension type monorail train driving device | |
| CN112941984A (en) | Low-abrasion tooth track transition auxiliary device for tooth track traffic | |
| CN214028629U (en) | Forced guide radial bogie for straddle type monorail vehicle | |
| CN208069658U (en) | A kind of straddle-type monorail train double mode driving bogie being suitable for very big ramp | |
| EP4186710A1 (en) | Composite power wheel pair, train, wheel rail system, and train control method | |
| WO2020042368A1 (en) | Steel wheel rubber wheel co-driven type bogie and traffic system thereof | |
| CN212670151U (en) | Superconducting magnetic suspension embedded track traffic line and train system | |
| CN112644537A (en) | Forced guide radial bogie for straddle type monorail vehicle | |
| CN212529194U (en) | Composite power wheel set, train and wheel rail system | |
| CN111733637A (en) | Superconducting magnetic suspension embedded track traffic line and train system | |
| CN110509946A (en) | Using the suspension type monorail vehicle single-axle bogie of hub reduction gear | |
| CN1309610C (en) | Magnetic suspension track inspection railcar | |
| CN107264540B (en) | High climbing performance gear and rack combined structure for rail transit | |
| CN2263611Y (en) | No-pit transfer table | |
| CN210793189U (en) | Non-power bogie wheel set and rail foundation device for assisting subway vehicle in climbing slope | |
| KR20050078955A (en) | Mono rail systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI MAGLEV TRANSPORTATION DEVELOPMENT CO., L Free format text: FORMER OWNER: SHANGHAI JIAOTONG UNIV. Effective date: 20060127 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20060127 Address after: 201204 No. 2520, Pudong New Area, Shanghai, Longyang Road Applicant after: Shanghai Maglev Transportation Development Co., Ltd. Co-applicant after: Shanghai Jiao Tong University Address before: 200240 No. 800, Dongchuan Road, Shanghai, Minhang District Applicant before: Shanghai Jiao Tong University |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TONGJI UNIVERSITY Free format text: FORMER OWNER: SHANGHAI MAGLEV TRANSPORTATION DEVELOPMENT CO., LTD. Effective date: 20150507 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201204 PUDONG NEW AREA, SHANGHAI TO: 200092 YANGPU, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150507 Address after: 200092 Shanghai City, Yangpu District Siping Road No. 1239 Patentee after: Tongji University Patentee after: Shanghai Jiao Tong University Address before: 201204 Pudong New Area, Longyang Road, No. 2520, Patentee before: Shanghai Maglev Transportation Development Co., Ltd. Patentee before: Shanghai Jiao Tong University |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070411 Termination date: 20181127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |