CN2755550Y - Moval phase-variable thermal storing device with high density - Google Patents
Moval phase-variable thermal storing device with high density Download PDFInfo
- Publication number
- CN2755550Y CN2755550Y CNU2004200730472U CN200420073047U CN2755550Y CN 2755550 Y CN2755550 Y CN 2755550Y CN U2004200730472 U CNU2004200730472 U CN U2004200730472U CN 200420073047 U CN200420073047 U CN 200420073047U CN 2755550 Y CN2755550 Y CN 2755550Y
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- heat
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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model relates to a movable phase-variable heat storing, heating and hot-water supplying device with high density. The utility model integrates a heat energy distributor, one distributor for forcible heat exchange, heat storage and heat supply, heat preservation and a fast interface to a body, and has the functions of heat storage and heat supply. The utility model is a rectangle. The utility model is composed of an outer shell, a heat preservation layer, an inner box body, a phase-variable heat storing body, a heat-exchange coil tube, a heating distributor, a heat supply distributor, a temperature sensor, a controller, a bottom bracket, a circulating water inlet, a hot water outlet, a circulating pump with variable frequency, a temperature regulating valve, a heat quantity meter, etc. The utility model can carry out the recovery of the residual heat of a heat power plant and a heat source plant. The utility model can realize the conveyance without a pipeline of heat by the move transportation. The stored heat of the device is sent to a user to realize heating and to provide the life hot water. The utility model has the advantages of easy use, small size, lower comprehensive heat expense, etc. Because the used heat source is the waste heat or the residual heat, the utility model can play the effects of saving energy, reducing the emission of pollutants, and protecting environment, etc.
Description
Technical field
The utility model relates to a kind of accumulation of heat, heating plant, and being specifically related to a kind of thermal-arrest can distributor, forced heat-exchanging, accumulation of heat, heat supply distributor, insulation, fast interface reclaim and accumulating heating, hot-water supply in the portable heat energy of one.
Background technology
At present, especially the cogeneration of heat and power development is rapid for China's central heating, but heat energy situation in short supply is not taken on a new look at all, mainly show: the laying investment of heat supply network is big, the overlay area mainly is Office Area, bustling business district, the dense district of resident population etc., can't spread all over whole urban district, also have many enterprises and institutions, public place of entertainment, newly-built sub-district to solve heating and domestic hot-water's problem, the situation that has formed multiple heating form and deposited by the small-sized boiler of providing for oneself.The thermal source capacity used owing to distributed heat supply is little, and the thermal efficiency is low, and environmental pollution is serious, though vigorously promote the use clean energy resource in recent years, because the operating cost height, whole proportion is little.
As everyone knows, energy shortage threatens human existence and development gradually, but because generating equipment, the heat resource equipment of steam power plant are different with numerous thermal source users' characteristics, steam power plant generates electricity and a large amount of waste heat of association throughout the year, but heating period has only 120-160 days, other times have only small part closely industrial production and hotel user, cause a large amount of waste heats to be wasted; And the extra-regional user of some central heating (as hotel, bath center etc.) will be with providing boiler heat supplying for oneself in addition, and this live telecast not only causes the double waste of the energy, has increased user's operation cost simultaneously.
The heat storage technology that is generally adopted mainly contains at present: water at atmospheric pressure accumulation of heat and high-temperature water accumulation of heat, solid phase high-temperature heat accumulation.Because latent heat of melting (80cal/g) and the latent heat of vaporization latent heats of phase change such as (539cal/gs) 100 ℃ time of water in the time of 0 ℃ is all bigger, but volume density (1g/ml) and specific heat (1cal/g. ℃) are less, so the latent heat of water, sensible heat thermal storage density are little, it all is to utilize the sensible heat characteristic that water is cooked the medium accumulation of heat: water at atmospheric pressure accumulation of heat and high-temperature water heat storage technology are the temperature difference sensible heat characteristics of utilizing water, thermal storage density is little, the steam accumulation of heat is the latent heat of vaporization of utilizing water, though heat of vaporization is big, but vapour density is little, the pressure height, so relative thermal storage density is little, be not suitable for transportation; The solid phase high-temperature heat accumulation is with electric heating tube the formed solid material to be heated to 400-700 ℃, by the high temperature heat exchange heat that stores discharged again, and its heat-exchanger rig complexity, pressure height, poor safety performance, the insulation difficulty is big, and heat loss is big, also is not suitable for transportation.
Summary of the invention
The purpose of this utility model is to provide a kind of portable heat energy to reclaim and storage and transportation apparatus, this invention not only relates to a kind of movably regenerative apparatus, and relate to a kind of special high density phase change heat storage mould rod, also relate to a kind of device design that can carry out Fast Installation and move, also relate to a kind of design that heat evenly can be delivered to phase change heat storage material and discharge the energy distributor that carries out heat supply fast simultaneously, yet relate to a kind of temperature-time controller design that can carry out Automatic Control, this invention does not need pipe network just can realize the recovery and the utilization of waste heat, heat exchange mode is simple, and is energy-conservation, environmental protection.
The technical scheme that the utility model adopted is:
A kind of portable heat energy reclaims and storage and transportation apparatus, comprises casing, it is characterized in that:
Described casing is fixed on the tractor, be provided with heat-insulation layer in the casing, its cavity arrangements has into the accumulation of heat barred body of the capable and n column distribution of m, top is provided with heat exchange coil, top and bottom are respectively equipped with and add heat distributor and heat supply distributor, and described coil pipe two ends are provided with the entery and delivery port that links to each other with hot-water supply system, add the external thermal source of heat distributor, the front end of heat supply distributor places outside the casing, respectively as heating and heating entery and delivery port; In the casing upper and lower, be provided with the thermometric inserting tube, inserting tube inside is provided with temperature sensor, is electrically connected with the time-temperature controller by lead; Be full of water or other heat-conducting mediums in the casing;
Described accumulation of heat barred body distributed quantity be m 〉=, n 〉=1, be fixed in the casing by accumulation of heat mould rod separation frame, spacing is 5-20mm between each barred body;
Describedly add heat distributor and the heat supply distributor is a tubular body, be evenly equipped with the circular hole in different apertures more than on it;
It is snakelike that described heat exchange coil is the U word, and one at the two ends of coil pipe are cooling water inlet, and another is a hot water outlet, is parallel with the supply water temperature control valve between the import and export;
Described recirculated water water return outlet place is in series with the frequency control circulating pump;
Described casing 1 upper and lower also is provided with the thermometric inserting tube, and inserting tube inside is provided with temperature sensor, is electrically connected with the time-temperature controller by lead.
Regenerative apparatus by the design of the utility model designing institute, can with steam power plant or other be as thermal source factory, steel mill, the waste heat of coking plant or used heat carry out recuperation of heat, and need not pipe network and just can supply with the user that another ground needs heat energy by transportation, not only can independently heat and heat supply water, also can carry out water temperature by heat control valve regulates, has the heat accumulation function that utilizes waste heat, energy resource consumption and environmental pollution have been reduced widely, to producing used heat, the user of waste heat has increased income, to promptly having reduced energy resource consumption with heat unit, reduce the discharging of dusty gas, also reduced operating cost, also reduced equipment investment simultaneously.
The utility model compact conformation, thermal storage density can be up to 160,000 kilocalories/cubic metre, volume is little, it is reliable and stable not have the security of operation of pressure, are very perfect energy-saving environmental protection devices.
Along with rising steadily of present fuel price, the heat supply running expense constantly increases, and adopts waste heat, Waste Heat Recovery utilization can make in many ways and is benefited, therefore, of the present utility model applying will be brought bigger economic benefit and social benefit, has promotional value and development prospect widely.
Description of drawings
Fig. 1 is the vertical section structural map of the utility model heating plant.
Fig. 2 is the utility model user mode figure.
Among the figure:
1. casing, 2. heat-insulation layer, 3. sealing return trap,
4. accumulation of heat barred body, 5. heat exchange coil, 6. phase change heat storage material,
7. add heat distributor, 8. heat supply distributor, 9. thermometric inserting tube,
10. accumulation of heat barred body separation frame, 11. support, 12. heating recirculated water water return outlets,
13. heating recirculated water delivery port, 14. hot water outlets, 15. cooling water inlets,
16. hot water supply water temperature control valve, 17. temperature controllers, 18. heating frequency control circulating pumps,
19. heat-conducting medium, 20. calorimeters, 21. tractor underframe,
22. box cover, 23. inspection sockets, 24. liquid level gauges,
25. tractor.
The specific embodiment
With embodiment the utility model is described in further detail with reference to the accompanying drawings below:
As shown in Figure 1, the utility model comprises casing 1, its top offers inspection socket 23 by box cover 22 sealings on the box cover 22, can observe casing 1 internal state, it is characterized in that: in casing 1 bottom, be provided with and support 11, be fixed on the tractor 25 by tractor underframe 21, but mount or fix with welding manner, whole device can be driven by tractor move, become one and movably install; Described casing 1 inwall is provided with heat-insulation layer 2, can prevent heat distributing rapidly outward, and casing 1 inner chamber is full of heat-conducting medium 19 is arranged, and can be water or other Heat Conduction Materials, and accumulation of heat barred body 4 is immersed in the heat-conducting medium 19.Described accumulation of heat barred body 4 is made of phase change heat storage material 6, its fusing point is that 75-95 ℃, heat of fusion are 50-75kcal/kg, and it is a kind of thermal energy storage material, when phase change heat storage material 6 reaches when causing its fusing point, the characteristic of its latent heat begins to make its heat absorption, is transformed from the solidified state into liquid state; Otherwise when the temperature of phase change heat storage material 6 was brought down below its fusing point, the characteristic of its latent heat began then to make its release heat, is changed into solid-state by liquid state.The utility model utilizes above-mentioned characteristic, and the accumulation of heat barred body 4 that contains phase change heat storage material 6 is set in casing 1, can absorb the heat and the storage of heat-conducting medium 19, discharges its heat energy then on demand, to realize heat energy conversion.
Effect when discharging for improving heat storage capacity and heat, accumulation of heat barred body 4 can be provided with a plurality of as required, fix and be evenly distributed in the casing 1 by accumulation of heat barred body separation frame 10, can become the capable and n of m row evenly distributed, wherein m 〉=, n 〉=1, select according to heat supply needs and area of heat-supply service, spacing is 5-20mm between each barred body, can improve accumulation of heat barred body 4 surface areas, increase the contact-making surface of itself and heat-conducting medium 19, improve heat-transfer capability.
On casing 1 top, be provided with heat exchange coil 5, it is snakelike to be the U word, pass through casing 1 by C type elbow and place outside it, be immersed in the heat-conducting medium 19, in the two-port of coil pipe, be respectively cooling water inlet 15 and hot water outlet 14, join with hot-water supply system,, can heat the pipe inner cold water by the heat exchange between heat exchange coil 5 and the heat-conducting medium 19, to improve the temperature of pipe inner cold water, running water becomes hot water after cooling water inlet 15 enters heating, can flow out from hot water outlet, to supply with the user.Between cooling water inlet 15 and hot water outlet 14, be parallel with supply water temperature control valve 16, can regulate with different needs according to different seasons.
In casing 1 bottom, be positioned at accumulation of heat barred body 4 belows, be provided with and add heat distributor 7, can make, uniform the circular hole in many different apertures on it by seamless steel pipe, the export distributor end passes through and is welded on casing 1 sidewall, import is external in heat reclamation device, and used heat or the waste heat that heat reclamation device can be collected be sent into casing 1 inner chamber by aperture, by heat-conducting medium 19 with thermal energy transfer on accumulation of heat barred body 4, make it to realize heat accumulation function, outlet is established heating and is looped back the mouth of a river 12.Above heat exchange coil 5, be provided with heat supply distributor 8, its front end passes casing 1 and is welded with adpting flange, respectively as heating and heating entery and delivery port, can make by seamless steel pipe, uniform many circular holes that can be used as the different apertures of heat exchange on it, steel pipe carries out welded seal when passing casing 1 double layer of metal plate, its exit series connection heating recirculated water delivery port has recirculated water delivery port 13, heating frequency control circulating pump 18 by series connection with it links to each other with heating system, can be to user's continuous heat supply.
For detecting heat supply temperature in real time, on heat supply and heat supply water lines, also be serially connected with calorimeter 20, be connected to heating recirculated water delivery port 13 and domestic hot-water supply respectively and export 14 places.
In casing 1 upper and lower, also be provided with thermometric inserting tube 9, inserting tube inside is provided with temperature sensor, is electrically connected with time-temperature controller 17 by lead, can measure the temperature of heat-conducting medium 19 in the casing 1 in real time.
The utility model can reclaim a large amount of used heat such as steel mill, coke-oven plant, corundum factory, calcium carbide factory, brewery and store by retracting device 2, link to each other with the utility model by pipeline then, the transfer of heat that reclaims is arrived the utility model accumulation of heat, deliver to heat supply user by tractor again, thereby realized purpose of design of the present utility model.
In sum, the utility model is the recycling to used heat, waste heat, and hold over system planning and designing, energy-accumulation material such as apply at all many-sides all important breakthrough, and it is had certain directive function.
The utility model course of work:
Heat-accumulating process:
Heat-carrying agent (water more than 90 ℃ or 100 ℃ of-130 ℃ of steam) access of external heat source is added heat distributor 7, its heat load is by adding heat distributor 7 and enter in the casing 1 and with its heat-conducting medium 19 heating, heat-conducting medium 19 temperature are constantly raise also to be delivered to heat in the phase change heat storage material 6 by the even diffusion of the outer wall of accumulation of heat barred body 4 simultaneously, the temperature of phase change heat storage material 6 raises gradually, do not reaching before phase transition temperature-fusing point accumulation of heat barred body 4 storage sensible heats.But lattice variations----latent heat of phase change can take place after obtaining enough heats in phase change heat storage material 6 gradually, phase transformation finish and when reaching design temperature heat-accumulating process finish, amount of stored heat is that sensible heat (60-95 ℃) adds latent heat, adds up to be about 92-95kcal/kg.
Heat release heating (hot water) process:
For the heating user, with linking to each other with heating water return mouth 12 with the outlet that the domestic hot-water exports the calorimeter (20) of 14 packaged type regenerative apparatuses respectively of heating system for the backwater mouth of pipe, heat stored in its phase change heat storage material 6 evenly is delivered in the heat-conducting medium 19-water by accumulation of heat barred body 4 outer walls, the temperature of water is improved, generally can heat water to 45-80 ℃ as required, under the effect of heating frequency control circulating pump 18, heated water flows out by heating recirculated water delivery port 13, gives the heating system heat supply.After phase change heat storage material 6 discharges the latent heat of being deposited gradually, lattice variations----takes place again solidify, its temperature begins to descend and discharge sensible heat, and when reaching the temperature (50-60 ℃) of regulation, the heat release process finishes.
For domestic hot-water user, the recirculated water delivery port 13 that earlier the utility model heated during heat supply water links to each other with the inlet of user's water system, its inlet links to each other with the backwater of running water pipe or user's hot-water heating system, by regulating the required supply water temperature that supply water temperature control valve 16 mixes with circulating backwater or running water, institute's heating load is by calorimeter 20 meterings.
Embodiment:
The utility model can be in steam power plant with steam to its heating and accumulation of heat, casing 1 appearance and size is 5500 * 2100 * 1600mm, in pretend 36 tons of change heat storage materials, when being used for 3,000,000 kilocalories of heats of steam power plant's waste heat recovery, heat-carrying steam enters and general's heat-conducting medium 19 heating wherein by adding heat distributor 8 in the casing 1, medium temperature constantly raises and also heat is conducted to phase change heat storage material 6 simultaneously, the temperature of phase change heat storage material 6 is raise gradually, do not store sensible heat in the past reaching phase transition temperature-fusing point, after phase change heat storage material 6 obtains enough heats, when reaching 79.4 ℃ of phase transition temperature-fusing points, undergo phase transition storage latent heat gradually, phase transformation finish and when reaching design temperature heat-accumulating process finish, this process needs 100--200 minute approximately, stored total amount of heat is 3000000kcal in its phase change heat storage material 6; After being transported to the user by automobile, it is inserted user's hot water supply system or heating system, be delivered in the water uniformly by heat-conducting medium 19 stored heats, can heat water to 40-80 ℃, be mixed to required supply water temperature by regulating supply water temperature control valve and running water, also can carry out heating, along with continuous heat release, lattice variations----takes place and solidifies in phase change heat storage material 6 gradually, after discharging the latent heat of being deposited, its temperature begins to descend and discharge sensible heat, and when reaching the temperature (50 ℃) of regulation, heat release finishes, this moment, output surpassed 100 tons altogether, can be for 8000-10000 square meter heating one day.
According to embodiment described in the utility model; if the arrangement of heat exchange coil 5, accumulation of heat barred body 4, heat energy distributor 8 and profile and structure are replaced by other similar techniques schemes; also all belong to this and be suitable for novel protection domain; the above is specific embodiment of the utility model and heat conduction thereof, heat transfer, accumulation of heat, heat release, heat supply mechanism; if comply with equivalence change and certain applications that conception of the present utility model is made; when the function that it produced does not exceed spiritual that specification and accompanying drawing contain yet, all should be in scope of the present utility model.
Claims (3)
1. packaged type high density phase change heat storage device, filling heat insulating wall between outer case and internal box; In the phase-transition heat-storage casing, phase-transition heat-storage mould rod is the capable layout of dividing equally of m row n concurrently with the 5-10mm spacing, top in the heat storage tank is furnished with heat exchange coil, this coil pipe is to walk to connect with c type elbow to be u word serpentine coil, cooling water inlet is done at one at the two ends of coil pipe, is connected with frequency conversion recirculated water delivery side of pump, and another does hot water outlet, link to each other with hot-water supply system, be parallel with the supply water temperature control valve between the import and export; Be respectively arranged with at the bottom of phase-transition heat-storage housing and top and add heat distributor and heat supply distributor, the front end of distributor passes casing and is welded with adpting flange, respectively as heating and heating intake-outlet, distributor is to be made by seamless steel pipe, welded seal is carried out in uniform the hole, garden in many different apertures on the steel pipe when passing casing double layer of metal plate; The internal box upper and lower is provided with the thermometric inserting tube, and inserting tube inside is provided with temperature sensor, is electrically connected with the time-temperature controller by lead; 90% is full of water or other heat-conducting mediums in the casing; The plate outer side weld metal bracing frame of phase-transition heat-storage housing, and be connected with transport vehicle with it.
2. packaged type high density phase change heat storage device according to claim 1 is characterized in that: described accumulation of heat barred body distributed quantity is m 〉=5, n 〉=1, is fixed in the casing by accumulation of heat mould rod separation frame, keeps the 5-10mm spacing between each barred body.
3. packaged type high density phase change heat storage device according to claim 1 is characterized in that: describedly add heat distributor and the heat supply distributor is a tubular body, be evenly equipped with the circular hole in different apertures more than on it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200730472U CN2755550Y (en) | 2004-07-05 | 2004-07-05 | Moval phase-variable thermal storing device with high density |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200730472U CN2755550Y (en) | 2004-07-05 | 2004-07-05 | Moval phase-variable thermal storing device with high density |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2755550Y true CN2755550Y (en) | 2006-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200730472U Expired - Lifetime CN2755550Y (en) | 2004-07-05 | 2004-07-05 | Moval phase-variable thermal storing device with high density |
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| CN (1) | CN2755550Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607309A (en) * | 2012-03-15 | 2012-07-25 | 上海海事大学 | Direct contact-type phase change moving heating device and heat supply method |
| CN103940279A (en) * | 2013-01-22 | 2014-07-23 | 武汉理工大学 | Heat storage device |
| CN104165537A (en) * | 2014-07-28 | 2014-11-26 | 大连派思燃气系统股份有限公司 | Reheating type water bath furnace |
| CN104390352A (en) * | 2014-11-19 | 2015-03-04 | 东南大学 | Waste heat energy and heat exchange system based on phase change heat storage box |
| CN108507392A (en) * | 2017-02-28 | 2018-09-07 | 美的集团股份有限公司 | The shell and phase transition heat accumulation unit of phase transition heat accumulation unit |
-
2004
- 2004-07-05 CN CNU2004200730472U patent/CN2755550Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607309A (en) * | 2012-03-15 | 2012-07-25 | 上海海事大学 | Direct contact-type phase change moving heating device and heat supply method |
| CN103940279A (en) * | 2013-01-22 | 2014-07-23 | 武汉理工大学 | Heat storage device |
| CN104165537A (en) * | 2014-07-28 | 2014-11-26 | 大连派思燃气系统股份有限公司 | Reheating type water bath furnace |
| CN104390352A (en) * | 2014-11-19 | 2015-03-04 | 东南大学 | Waste heat energy and heat exchange system based on phase change heat storage box |
| CN104390352B (en) * | 2014-11-19 | 2017-04-19 | 东南大学 | Waste heat energy and heat exchange system based on phase change heat storage box |
| CN108507392A (en) * | 2017-02-28 | 2018-09-07 | 美的集团股份有限公司 | The shell and phase transition heat accumulation unit of phase transition heat accumulation unit |
| CN108507392B (en) * | 2017-02-28 | 2020-08-07 | 芜湖美的厨卫电器制造有限公司 | Phase change heat storage device's casing and phase change heat storage device |
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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: ZHONGYINENG( BEIJING )TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WANG ZHIHUI Effective date: 20100122 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100122 Address after: Beijing City, Haidian District Institute of road Mingguang Village No. 3, zip code: 100082 Patentee after: The benefits of energy (Beijing) Technology Co. Ltd. Address before: Light 45, No. 100044 North Main Street, Beijing, 4, 1501, postcode: Xizhimen Patentee before: Wang Zhihui |
|
| DD01 | Delivery of document by public notice |
Addressee: Wang Zhihui Document name: Notification of Passing Examination on Formalities |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Baotou Zhongyi Environmental Protection Technology Co. Ltd. Assignor: ZHONGYINENG (BEIJING) TECHNOLOGY CO., LTD. Contract record no.: 2011990000996 Denomination of utility model: Moval phase-variable thermal storing device with high density Granted publication date: 20060201 License type: Common License Record date: 20111024 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Moval phase-variable thermal storing device with high density Effective date of registration: 20111109 Granted publication date: 20060201 Pledgee: In Skandia investment Company limited by guarantee Pledgor: ZHONGYINENG (BEIJING) TECHNOLOGY CO., LTD. Registration number: 2011990000420 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20121129 Granted publication date: 20060201 Pledgee: Glory financing Company limited by guarantee Pledgor: ZHONGYINENG (BEIJING) TECHNOLOGY CO., LTD. Registration number: 2011990000420 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20121129 Registration number: 2011990000420 Pledgee after: Glory financing Company limited by guarantee Pledgee before: In Skandia investment Company limited by guarantee |
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| DD01 | Delivery of document by public notice |
Addressee: ZHONGYINENG (BEIJING) TECHNOLOGY CO., LTD. Document name: Notification to Pay the Fees |
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| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140705 Granted publication date: 20060201 |
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| DD01 | Delivery of document by public notice |
Addressee: Wang Zhihui Document name: Notification of Expiration of Patent Right Duration |