CN2738167Y - High temperature resisting and anti high pressure metal runner solar vacuum heat collecting tube - Google Patents
High temperature resisting and anti high pressure metal runner solar vacuum heat collecting tube Download PDFInfo
- Publication number
- CN2738167Y CN2738167Y CNU2004200919751U CN200420091975U CN2738167Y CN 2738167 Y CN2738167 Y CN 2738167Y CN U2004200919751 U CNU2004200919751 U CN U2004200919751U CN 200420091975 U CN200420091975 U CN 200420091975U CN 2738167 Y CN2738167 Y CN 2738167Y
- Authority
- CN
- China
- Prior art keywords
- tube
- pipe
- metal
- collecting tube
- vacuum heat
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/80—Accommodating differential expansion of solar collector elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S2025/6012—Joining different materials
- F24S2025/6013—Joining glass with non-glass elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The utility model relates to a high temperature resisting and anti high pressure metal runner solar vacuum heat collecting tube, belonging the technical field of the heating apparatus, and solving the problem of the axial stress generated by that the inner tube is heated and the shape is changed. The utility model is composed of a metal inner tube, a glass outer tube, a tube joint piece, a ferronickel alloy kovar piece, and a metallic corrugated tube. The kovar piece and the glass outer tube are sealed through the glass metal. The tube joint piece is arranged on the end part of the heat collecting tube, and one end of the tube joint piece is fixed to the metal inner tube. After improvement, an external unloading mechanism is arranged in addition, and the external unloading mechanism is formed by a metallic corrugated tube. The metallic corrugated tube is arranged on the outer end of the heat collecting tube, one end of the metallic corrugated tube is fixed with the tube joint piece, and the other end of the metallic corrugated tube is fixed with the kovar piece. In the utility model, when the inner tube is heated to expand and deform, and the quantity of the deformation can be transferred on the external unloading mechanism. Because of the absorption of the external unloading mechanism, the axial stress acting on the glass outer tube can be reduced and eliminated for the deformation, which solves the technological problems of looseness of the connection of the inside and the outside tubes, air leak, and high temperature resistance and anti high pressure, improves the reliability of the heat collecting tube, and prolongs the service life.
Description
Technical field:
The utility model relates to the heat collecting element in a kind of solar energy equipment, particularly relates to a kind of vacuum heat collection pipe, belongs to heating firing equipment technical field.
Background technology
Utilizing the solar heating heating is an advanced technology of extensively using in recent years.Although the structure difference of various solar heat collectors is very big, key technology all is to rely on heat collecting element fully to absorb the energy of sunshine, and is translated into that heat energy is used.The solar vacuum heat-collecting pipe of industrial use, its operating temperature and pressure are all higher, so interior pipe metal materials, the outer tubes of adopting adopt glass tube, the intensity and the heat exchanger effectiveness of pipe in can improving so more more.But this structure in the course of the work, because of interior pipe expanded by heating deforms, easily causes the junction of metal inner pipe and glass outer tube loosening, leaks gas; The pipe compressive deformation also can cause above-mentioned phenomenon in when pressure is higher, thereby influences the serviceability and the life-span of thermal-collecting tube.
For addressing this problem, disclose a kind of in the Chinese patent 03218208.2 with the metal bellows tube, twisted string pipe or bellows are the built-in metal flow passage solar vacuum heat-collecting tube of interior pipe, between inner and outer pipes, set up the bowl-type connector, this structure can obviously improve the thermal conversion efficiency of thermal-collecting tube and the bonding strength between the inner and outer pipes, yet, because between the inner and outer pipes is that beading is fixed, in ripple the pipe, the interior pipe of other pattern all can't fundamentally solve under the HTHP, because of this technical barrier of axial stress that acts on the outer tube is out of shape in interior pipe thermal expansion, thereby also be difficult to further improve the operating temperature and the pressure of vacuum heat collection pipe.
Summary of the invention
Problem to be solved in the utility model is to overcome the defective of above-mentioned prior art and thermal expansion distortion, long service life, high temperature resistant, the high voltage bearing metal flow passage solar vacuum heat-collecting tube of pipe in a kind of can the absorption is provided.
The alleged problem of the utility model is solved by following technical scheme:
A kind of high temperature resistant, high pressure resistant metal flow passage solar vacuum heat-collecting tube, by metal inner pipe, glass outer tube, pipe connecting piece, can cut down part and form, can cut down part and the sealing-in of glass outer tube, pipe connecting piece is arranged on the thermal-collecting tube end, and one end and metal inner pipe are affixed, and its special feature is: set up outer discharge mechanism 2, described outer discharge mechanism is a metal bellows, this metal bellows is positioned at the outer end of thermal-collecting tube, 1 welding of an end and pipe connecting piece, the other end with can cut down part 3 welding.
Above-mentioned high temperature resistant, high pressure resistant metal flow passage solar vacuum heat-collecting tube, the wave number of described metal bellows is 2～20 ripples.
Above-mentioned high temperature resistant, high pressure resistant metal flow passage solar vacuum heat-collecting tube, the two ends of described vacuum heat collection pipe all are provided with outer discharge mechanism.
Above-mentioned high temperature resistant, high pressure resistant metal flow passage solar vacuum heat-collecting tube is vacuum between described metal bellows and pipe connecting piece, the metal inner pipe.
Another solution of the present utility model is:
A kind of high temperature resistant, high pressure resistant metal flow passage solar vacuum heat-collecting tube, can cut down part by metal inner pipe, glass outer tube, pipe connecting piece, iron-nickel alloy forms, can cut down part and the sealing-in of glass outer tube, pipe connecting piece is arranged on the thermal-collecting tube end, its special feature is: pipe is pipe 6 in the wavy metal in described, in the pipe two ends with can cut down between part, the pipe connecting piece and weld, can cut down between part and the glass outer tube is metal sealing.
The utility model in the outer setting of vacuum heat collection pipe discharge mechanism, discharge mechanism and interior pipe are affixed, when interior pipe expanded by heating is out of shape, deflection can be delivered on the outer discharge mechanism, absorbed by outer discharge mechanism, this acts on axial stress on the glass outer tube with regard to reducing greatly or having eliminated interior pipe because of elongation strain.Fundamentally solve the technical barrier that the inner and outer pipes junction that causes because of interior pipe temperature distortion is loosening, leak gas, improved the dependability of thermal-collecting tube, prolonged the service life of thermal-collecting tube.Because distortion can not jeopardize the junction of inner and outer pipes, so the utility model can provide greater than the pressure of 0.6Mpa and the thermal source of operating mode more than 100 ℃.It also can form high-temperature heat collection system in the solar energy except that the heat collecting element as the general industry heat supply, be widely used in going in the commercial plants such as group's heat supply, solar airconditioning, solar seawater desalination, solar electrical energy generation.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is another kind of example structure schematic diagram.
Each parts label is as follows among the figure: 1. pipe connecting piece; 2. outer discharge mechanism; 3. can cut down part; 4. metal inner pipe; 5. glass outer tube; 6. manage in the wavy metal.
The specific embodiment
Referring to Fig. 1, the utility model by metal inner pipe 4, glass outer tube 5, pipe connecting piece 1, can cut down part 3 and form, metal inner pipe is provided with coating for selective absorption, extracting vacuum between the inner and outer pipe.Iron-nickel alloy can cut down part and the sealing-in of glass outer tube.The utility model is the double nip structure, is provided with pipe connecting piece at two ends, and an end and the interior pipe of pipe connecting piece are affixed, and the metal inner pipe surface is high temperature resistant by the vacuum sputtering coated, height absorbs, low reflectance coating.
As seen from Figure 1, key technology of the present utility model is a discharge mechanism 2 outside the end of vacuum heat collection pipe is provided with.Outer discharge mechanism is one section metal bellows, the welding of an end of this metal bellows and pipe connecting piece, the other end with can cut down the part welding.Can cut down between part and the glass outer tube is the metal welding, as lead, aluminium and beading, also can adopt bonding.Extracting vacuum between metal bellows and pipe connecting piece, the metal inner pipe.Its operation principle is: when interior pipe temperature distortion, the hose expansion elongation, this elongation is delivered on the outer discharge mechanism by metal inner pipe and pipe connecting piece, wavy metal tube swelling then, realize outside unloading by nose balance, thereby significantly reduce or all eliminate because interior pipe extends the axial stress that acts on outer tube.Outer discharge mechanism also can use other element with better expansion elongation performance except that can adopting bellows or expansion joint, but considers that metal bellows or expansion joint are standard component, and simplified manufacturing process is fit to produce in batches, so be preferred element.
The wave number of bellows that outer discharge mechanism adopts is determined by the coefficient of expansion of metal inner pipe material and the length of metal inner pipe, is generally 2～20 ripples.The tube swelling elongation was also big more in how absorbable the wave number setting is more, and corresponding production cost is also improving.Therefore, need, take all factors into consideration all multifactorly, determine the wave number of bellows by measuring and calculating.
For large-scale, high temperature, the high pressure vacuum heat collection pipe of work down, can also be its two ends all be provided with outside discharge mechanism, the dilatancy amount of interior pipe is evenly unloaded at the thermal-collecting tube two ends, it is better that it unloads effect.
Adopt structure of the present utility model, no matter interior pipe is the metal tube of metal twisted string pipe, bellows tube, straight tube or other shape, all can realize outer preferably unloading effect, make vacuum heat collection pipe when bearing higher operating pressure and temperature, the fault that causes because of interior pipe elongation strain can not take place.Therefore, preferably being used in the equipment such as the heat supply of solar energy group, the complementary heat supply of industrial solar energy, solar airconditioning, solar seawater desalination, solar electrical energy generation.
In another embodiment shown in Figure 2, it has adopted pipe 6 in the wavy metal, because it can realize unloading by self good convergent-divergent performance, therefore outer discharge mechanism needn't be set again.In the wavy metal two ends of pipe with can cut down between part, pipe connecting piece to welding, weld is very firm can not to be occurred becoming flexible, gas leak phenomenon.
Claims (5)
1. high temperature resistant, high pressure resistant metal flow passage solar vacuum heat-collecting tube, can cut down part by metal inner pipe, glass outer tube, pipe connecting piece, iron-nickel alloy forms, can cut down part and the sealing-in of glass outer tube, pipe connecting piece is arranged on the thermal-collecting tube end, one end and metal inner pipe are affixed, it is characterized in that: set up outer discharge mechanism (2), described outer discharge mechanism is a metal bellows, this metal bellows is positioned at the outer end of thermal-collecting tube pipe, one end and pipe connecting piece (1) welding; The other end with can cut down part (3) welding.
2. high temperature resistant, high pressure resistant metal flow passage solar vacuum heat-collecting tube according to claim 1 is characterized in that: the wave number of described metal bellows is 2～20 ripples.
3. high temperature resistant, high pressure resistant metal flow passage solar vacuum heat-collecting tube according to claim 2 is characterized in that: described vacuum heat collection pipe two ends all are provided with outer discharge mechanism.
4. according to claim 1,2 or 3 described high temperature resistant, high pressure resistant metal flow passage solar vacuum heat-collecting tubes, it is characterized in that: be vacuum between described metal bellows and pipe connecting piece, the metal inner pipe.
5. high temperature resistant, high pressure resistant metal flow passage solar vacuum heat-collecting tube, can cut down part by metal inner pipe, glass outer tube, pipe connecting piece, iron-nickel alloy forms, can cut down part and the sealing-in of glass outer tube, pipe connecting piece is arranged on the thermal-collecting tube end, it is characterized in that: pipe is pipe (6) in the wavy metal in described, in the pipe two ends with can cut down between part, the pipe connecting piece and weld, can cut down between part and the glass outer tube is metal sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200919751U CN2738167Y (en) | 2004-10-22 | 2004-10-22 | High temperature resisting and anti high pressure metal runner solar vacuum heat collecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200919751U CN2738167Y (en) | 2004-10-22 | 2004-10-22 | High temperature resisting and anti high pressure metal runner solar vacuum heat collecting tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2738167Y true CN2738167Y (en) | 2005-11-02 |
Family
ID=35348074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200919751U Expired - Fee Related CN2738167Y (en) | 2004-10-22 | 2004-10-22 | High temperature resisting and anti high pressure metal runner solar vacuum heat collecting tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2738167Y (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100396998C (en) * | 2006-02-09 | 2008-06-25 | 张耀明 | Solar energy high-temperature vacuum heat collection tube |
| CN101290168B (en) * | 2007-04-17 | 2010-05-26 | 北京中航空港通用设备有限公司 | Line focusing solar vacuum heat-collecting tube sealing structure and unloading device |
| CN101063559B (en) * | 2006-04-28 | 2010-06-09 | 北京中航空港通用设备有限公司 | Line focusing metal flow passage solar vacuum heat-collecting tube and fabrication technology thereof |
| CN101063560B (en) * | 2006-04-28 | 2010-06-16 | 北京中航空港通用设备有限公司 | Middle-high-temperature solar vacuum heat-collecting tube glass end cap packaging structure and fabrication technology |
| CN101187504B (en) * | 2006-11-15 | 2011-03-16 | 北京中航空港通用设备有限公司 | Line-focusing solar energy vacuum heat-collecting pipe |
| CN102367999A (en) * | 2011-11-21 | 2012-03-07 | 朱雷 | High-efficiency solar heat collector |
| CN102538258A (en) * | 2012-02-24 | 2012-07-04 | 中国西电集团公司 | Solar power generation high-temperature vacuum heat collection tube with built-in expansion joint |
| CN102109235B (en) * | 2009-12-23 | 2012-08-01 | 张建城 | Line focusing solar energy intensified heat collecting tube and manufacturing method thereof |
| WO2013178370A3 (en) * | 2012-06-01 | 2014-01-23 | Siemens Aktiengesellschaft | Solar receiver tube with low emissivity covering, method for manufacturing the solar receiver tube and use of the tube |
| CN103851809A (en) * | 2014-01-15 | 2014-06-11 | 李自强 | Solar heat-collecting corrugated pipe |
| CN105066476A (en) * | 2015-08-12 | 2015-11-18 | 哈尔滨工业大学（威海） | Corrugated tube type solar heat absorber with functions of strengthening heat transferring and reducing heat deformation |
| CN106016780A (en) * | 2016-06-01 | 2016-10-12 | 哈尔滨工业大学（威海） | Asymmetric corrugated pipe type solar heat absorber with heat transfer strengthening capacity |
| CN107449167A (en) * | 2017-09-11 | 2017-12-08 | 冯秀华 | A kind of solar energy optical-thermal thermal-collecting tube |
| CN111093408A (en) * | 2017-09-15 | 2020-05-01 | 英美烟草(投资)有限公司 | Apparatus for heating smokable material |
| US11457664B2 (en) | 2016-06-29 | 2022-10-04 | Nicoventures Trading Limited | Apparatus for heating smokable material |
| US11589614B2 (en) | 2015-08-31 | 2023-02-28 | Nicoventures Trading Limited | Cartridge for use with apparatus for heating smokable material |
| US11739984B2 (en) | 2020-03-31 | 2023-08-29 | The Florida State University Research Foundation, Inc. | Solar energy collection system with symmetric wavy absorber pipe |
| US11805818B2 (en) | 2015-10-30 | 2023-11-07 | Nicoventures Trading Limited | Article for use with apparatus for heating smokable material |
-
2004
- 2004-10-22 CN CNU2004200919751U patent/CN2738167Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100396998C (en) * | 2006-02-09 | 2008-06-25 | 张耀明 | Solar energy high-temperature vacuum heat collection tube |
| CN101063559B (en) * | 2006-04-28 | 2010-06-09 | 北京中航空港通用设备有限公司 | Line focusing metal flow passage solar vacuum heat-collecting tube and fabrication technology thereof |
| CN101063560B (en) * | 2006-04-28 | 2010-06-16 | 北京中航空港通用设备有限公司 | Middle-high-temperature solar vacuum heat-collecting tube glass end cap packaging structure and fabrication technology |
| CN101187504B (en) * | 2006-11-15 | 2011-03-16 | 北京中航空港通用设备有限公司 | Line-focusing solar energy vacuum heat-collecting pipe |
| CN101290168B (en) * | 2007-04-17 | 2010-05-26 | 北京中航空港通用设备有限公司 | Line focusing solar vacuum heat-collecting tube sealing structure and unloading device |
| CN102109235B (en) * | 2009-12-23 | 2012-08-01 | 张建城 | Line focusing solar energy intensified heat collecting tube and manufacturing method thereof |
| CN102367999A (en) * | 2011-11-21 | 2012-03-07 | 朱雷 | High-efficiency solar heat collector |
| CN102538258A (en) * | 2012-02-24 | 2012-07-04 | 中国西电集团公司 | Solar power generation high-temperature vacuum heat collection tube with built-in expansion joint |
| WO2013178370A3 (en) * | 2012-06-01 | 2014-01-23 | Siemens Aktiengesellschaft | Solar receiver tube with low emissivity covering, method for manufacturing the solar receiver tube and use of the tube |
| CN103851809A (en) * | 2014-01-15 | 2014-06-11 | 李自强 | Solar heat-collecting corrugated pipe |
| CN105066476A (en) * | 2015-08-12 | 2015-11-18 | 哈尔滨工业大学（威海） | Corrugated tube type solar heat absorber with functions of strengthening heat transferring and reducing heat deformation |
| US11589614B2 (en) | 2015-08-31 | 2023-02-28 | Nicoventures Trading Limited | Cartridge for use with apparatus for heating smokable material |
| US11805818B2 (en) | 2015-10-30 | 2023-11-07 | Nicoventures Trading Limited | Article for use with apparatus for heating smokable material |
| CN106016780A (en) * | 2016-06-01 | 2016-10-12 | 哈尔滨工业大学（威海） | Asymmetric corrugated pipe type solar heat absorber with heat transfer strengthening capacity |
| US11457664B2 (en) | 2016-06-29 | 2022-10-04 | Nicoventures Trading Limited | Apparatus for heating smokable material |
| CN107449167A (en) * | 2017-09-11 | 2017-12-08 | 冯秀华 | A kind of solar energy optical-thermal thermal-collecting tube |
| CN111093408A (en) * | 2017-09-15 | 2020-05-01 | 英美烟草(投资)有限公司 | Apparatus for heating smokable material |
| US11956879B2 (en) | 2017-09-15 | 2024-04-09 | Nicoventures Trading Limited | Apparatus for heating smokable material |
| US11739984B2 (en) | 2020-03-31 | 2023-08-29 | The Florida State University Research Foundation, Inc. | Solar energy collection system with symmetric wavy absorber pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2738167Y (en) | High temperature resisting and anti high pressure metal runner solar vacuum heat collecting tube | |
| CN101063559B (en) | Line focusing metal flow passage solar vacuum heat-collecting tube and fabrication technology thereof | |
| CN101498517B (en) | Solar high-temperature vacuum heat-collecting tube | |
| CN101798184A (en) | Sealing connection method of metal and glass of novel medium-high temperature solar energy heat collection pipe | |
| CN103277911B (en) | Detachable straight-through type solar vacuum heat collecting tube | |
| CN201003869Y (en) | Line-focusing solar energy vacuum heat-collecting pipe | |
| CN1321865A (en) | Glass-metal vacuum solar heat-collecting tube and its production method | |
| CN202188677U (en) | Heat accumulation type vacuum tube and heat collector with same | |
| CN201852331U (en) | Line-focusing solar energy intensified heat collecting pipe | |
| CN101187504B (en) | Line-focusing solar energy vacuum heat-collecting pipe | |
| CN2490505Y (en) | Straight vacuum solar heat collection pipe | |
| CN202057069U (en) | Through type solar vacuum heat collector | |
| CN102141312A (en) | All-glass straight-way vacuum heat collecting pipe | |
| CN201344669Y (en) | Solar high-temperature vacuum heat-collecting tube | |
| CN201122006Y (en) | Line focus solar vacuum heat-collecting tube sealing structure and discharging mechanism | |
| CN102109231B (en) | Line focusing solar vacuum heat-collecting tube | |
| CN102022848B (en) | Medium and high temperature solar evacuator collector tube | |
| CN2620223Y (en) | Solar vacuum heat collecting pipe with built-in metal runner | |
| CN202013034U (en) | All-glass vacuum through heat collecting pipe | |
| CN1877213A (en) | Dual-U and through type vacuum solar heat collection pipe | |
| CN102109235B (en) | Line focusing solar energy intensified heat collecting tube and manufacturing method thereof | |
| CN109489267B (en) | Through type solar medium-temperature vacuum tube and processing method | |
| CN1609534A (en) | Solar energy high-temperature vacuum heat absorption and heat storage apparatus | |
| CN202598914U (en) | Double corrugated pipe solar energy metal direct connection vacuum heat-collection pipe | |
| WO2009000129A1 (en) | A solar vacuum heat-collecting tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING ZHONGHANG AIRPORT GENERAL EQUIPMENT CO.,LT Free format text: FORMER OWNER: ZHANG JIANCHENG Effective date: 20100408 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 050000 HEBEI PROVINCIAL DEPARTMENT OF COMMERCE, NO.344, HEPING WEST ROAD, SHIJIAZHUANG CITY, HEBEI PROVINCE TO: 101312 NO.A6, TIANZHU EAST ROAD, AREA A, TIANZHU AIRPORT INDUSTRY, SHUNYI DISTRICT, BEIJING CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100408 Address after: 101312, No. 6, East Tianzhu Road, Tianzhu Airport Industrial Zone A, Beijing, Shunyi District Patentee after: Beijing Zhonghang Airport General Equipment Co., Ltd. Address before: 050000 Hebei Provincial Department of Commerce, Heping West Road, 344, Hebei, Shijiazhuang Patentee before: Zhang Jiancheng |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051102 Termination date: 20121022 |