CN105781648A - Off-peak electricity storage and peak regulation system and running control method thereof - Google Patents
Off-peak electricity storage and peak regulation system and running control method thereof Download PDFInfo
- Publication number
- CN105781648A CN105781648A CN201610123270.0A CN201610123270A CN105781648A CN 105781648 A CN105781648 A CN 105781648A CN 201610123270 A CN201610123270 A CN 201610123270A CN 105781648 A CN105781648 A CN 105781648A
- Authority
- CN
- China
- Prior art keywords
- air
- gas cylinder
- pressure gas
- flow valve
- peak
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
- F01K27/02—Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/42—Storage of energy
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses an off-peak electricity storage and peak regulation system and a running control method thereof. The system comprises an internal combustion engine generator, an air compression device, a compressed air preheating device, a waste heat recycling device and an expansion machine, wherein the air compression device, the compressed air preheating device, the waste heat recycling device and the expansion machine are in fluid communication sequentially; the internal combustion engine generator can compress air in the air compression device, and electric energy can be stored in the air compression device; the air compression device comprises an air compressor and two stages of high-pressure air storage bottles; in the off-peak electricity using stage, off-peak electric energy is used for driving the air compressor to enable air to be compressed to the first-stage high-pressure air storage bottle and the second-stage high-pressure air storage bottle in a heat insulation manner; and in the peak electricity using stage, if the second-stage high-pressure air storage bottle reaches the specific threshold value, a second flow valve is opened, and air in the second flow valve is output at the specific flow speed.
Description
Technical field
The present invention relates to a kind of electromotor trough-electricity storage and peak regulation system, especially relate to trough-electricity storage and the peak regulation system of a kind of internal combustion engine generator.
Background technology
The energy is the basis of social progress and economic development, and along with China's economic grows continuously and fast, national energy total amount consumed is also swashing year by year.Enter since " 12 ", an energy-conservation referred unprecedented level.Readjust the energy structure, improve energy utilization rate, improve energy security, solve environmental pollution own through becoming the emphasis of China's energy strategy.
In current generator especially internal combustion engine generator, in utilization of energy, there is heat consumption and system utilizes the problem in two.On the one hand, the heat energy that fuel combustion produces only has sub-fraction to be converted into useful work output, also has substantial amounts of heat energy to be consumed by the aerofluxus of system, cooling and convection current radiation etc..If the energy for this partially consumed waste is recycled, it is not only able to improve the overall thermal efficiency of generator fuel, saves energy-output ratio, and the Generator heat radiation to environment can be reduced, improve environmental quality, the trend of slowing global warming.On the other hand; owing to electricity consumption time and the electricity of user also exist periodic phenomena; generator operation process usually there will be the change on low power consumption and peak; when low ebb; power consumption minimizing causes that electromotor runs when far below rated power; cause that unit power oil consumption increases, thus causing waste and the environmental pollution of fuel；When peak of power consumption, power consumption is likely larger than the rated power of electromotor, causes cannot fully meeting need for electricity.
For this problem, 201110020886.2 patent of invention propose a kind of internal combustion engine generator trough-electricity and waste heat recovery, storage utilizes system, waste heat recovery and trough-electricity are reclaimed storage and are combined for generation technology by it, by using electric energy during air compression plant storage low power consumption, when peak of power consumption, will be stored in the air in air compression plant to discharge and generate electricity, thus the energy utilization efficiency of internal combustion engine generator.The system effectiveness of the electricity generation system of this invention increases along with the compression air velocity that air compression plant discharges and increases, and when more than air velocity more than specific threshold, reach optimum efficiency, but the electric energy stored when low power consumption due to air compression plant is likely to be not sufficient to support under the flow velocity of optimum efficiency for the time period of whole peak of power consumption, thus need the air energy discharging in air compression plant under the air velocity lower than optimum efficiency when peak of power consumption, cause the reduction of the system effectiveness of electricity generation system.
Summary of the invention
The present invention as 201110020886.2 the optimization of patent of invention, it is provided that a kind of electromotor trough-electricity storage and peak regulation system, it is possible to make electricity generation system run under optimum efficiency, thus improve the operational efficiency of electricity generation system.
As one aspect of the present invention, it is provided that a kind of electromotor trough-electricity storage and peak regulation system, including internal combustion engine generator, air compression plant, flow control valve, air preheater, waste-heat recovery device, decompressor and electromotor；Described internal combustion engine generator can compress the air in air compression plant, is stored in air compression plant by electric energy；Described air compression plant, compression air preheater, waste-heat recovery device and decompressor are in fluid communication successively；Electromotor connects with waste-heat recovery device water route respectively with air compression plant, and waste heat produced by it can be passed to waste-heat recovery device and stored by current；Described air compression plant includes air compressor and two-stage high-pressure gas cylinder；Wherein first order high-pressure gas cylinder has an entrance and two outlets；Second level high-pressure gas cylinder has an entrance and an outlet；The entrance of described first order high-pressure gas cylinder connects with air compressor, and its first outlet is connected by first flow valve with compression air preheater, and the second outlet is connected by switch valve with described second level high-pressure gas cylinder entrance；The outlet of described second level high-pressure gas cylinder is connected with compression air preheater by second flow valve.
Preferably, described second flow valve only when the air pressure of second level high-pressure gas cylinder is more than specific threshold, can be opened；The air pressure of described specific threshold can be continued special time with specific flow velocity corresponding to second level high pressure tank and be supplied to described compression air preheater by second flow valve.
Preferably, described second flow valve only when the air pressure of second level high-pressure gas cylinder is more than specific threshold, can be opened；The air pressure of described specific threshold can be continued special time with specific flow velocity corresponding to second level high pressure tank and be supplied to described compression air preheater by second flow valve.
Preferably, described specific flow velocity is the particular value more than 0.2kg/s.
Preferably, described special time is the peak of power consumption persistent period.
As another aspect of the present invention, provide the operation method of the storage of above-mentioned electromotor trough-electricity and peak regulation system, in the low power consumption stage, close first flow valve and second flow valve, open switch valve, use valley electricity to drive air compressor to make air adiabatic be compressed to first order high-pressure gas cylinder and second level high-pressure gas cylinder；When second level high-pressure gas cylinder internal gas pressure reaches described specific threshold, closing switch valve, continues to be reduced to air pressure described first order high-pressure gas cylinder；When peak of power consumption, if second level high-pressure gas cylinder is not reaching to described specific threshold, then it is not turned on first flow valve and second flow valve, if second level high-pressure gas cylinder reaches described specific threshold, then open described second flow valve, make gas in second flow valve export with described specific flow velocity.
Preferably, when peak of power consumption, if after opening described second flow valve, system output power also less than peak of power consumption power, then opens described first flow valve, makes the flow velocity of gas by described first flow valve more than described specific flow velocity.
Preferably, described waste-heat recovery device includes multi-level phase change accumulation of heat mechanism.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the embodiment of the present invention.
Detailed description of the invention
In order to be illustrated more clearly that technical scheme, below the present invention is introduced by use embodiment simply, apparently, in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other technical scheme according to these embodiments, fall within disclosure of the invention scope.
The electromotor trough-electricity storage of the embodiment of the present invention and peak regulation system, including internal combustion engine generator 1, air compression plant, air preheater 5, waste-heat recovery device 6, decompressor 7 and electromotor 8.Internal combustion engine generator 1 is internal combustion engine generator well known in the prior art, for instance diesel-driven generator or gasoline engine generator etc..Internal combustion engine generator 1 is when zero load or low power consumption, and the specific energy consumption caused far below its rated power in order to avoid its output rises, and internal combustion engine generator can compress the air in air compression plant, is stored in air compression plant by electric energy.
Air compression plant includes air compressor 2, first order high-pressure gas cylinder 31 and second level high pressure savings bottle 32.Air compressor 2 has air intake, and it uses internal combustion engine generator as power resources.The outlet of air compressor 2 and first order high-pressure gas cylinder 31 are in fluid communication, one outlet of first order high-pressure gas cylinder 31 is with second level high-pressure gas cylinder 32 by switch valve 33 flow communication, and air pressure indentation can be entered first order high-pressure gas cylinder 31 and second level high-pressure gas cylinder 32 by air compressor.
Another outlet of first order high-pressure gas cylinder 31 and the outlet of second level high-pressure gas cylinder 32 are in fluid communication with compressing air preheater 5 respectively through flow valve 34 and 35.Flow valve 34 and flow valve 35 can control the exit velocity of first order high-pressure gas cylinder 31 and second level high-pressure gas cylinder 32 respectively.Compression air preheater 5, for the compression air of air compression plant and outside air are carried out heat exchange, makes the compression air after expansion return to room temperature.Heat-exchanger rig can be used in prior art as air waste heat apparatus 5.
Waste-heat recovery device 6, for giving the waste heat that internal combustion engine generator 1 and air compressor 2 produce in the course of the work to reclaim and storage.Waste-heat recovery device 6 can be made up of various heat-storing materials conventional in prior art, and its structure can be preferably provided to multi-level phase change accumulation of heat mechanism such that it is able to according to different types of residual heat resources in waste heat energy level respectively recovery system.The pressure stream of compressed air flowed out from compression air preheater 5 absorbs heat at waste-heat recovery device 6, and compressed-air actuated volume flow increases, and is directly used in driving decompressor 7, decompressor 7 and then drive electromotor 8 to generate electricity, and output power is to user 9.
Increase owing to the efficiency of electricity generation system increases along with the compression air velocity that air compression plant discharges, and when more than air velocity more than specific threshold, reach optimum efficiency, in the embodiment of the present invention two-stage gas bomb be arranged to enable system to run with optimum efficiency in the peak of power consumption stage.Second level gas bomb 32 in two-stage gas bomb runs gas bomb for standard, when only the storage energy in second level gas bomb 32 reaches particular value, just open the flow valve 35 between second level gas bomb 32 and compression air preheater 5 in the peak of power consumption stage, use it to run.The particular value of this storage energy is, it is possible to make the second level air accumulator can both with delivery air flow velocity more than specific threshold such as 0.2kg/s in the whole peak of power consumption stage, it is possible to characterized the particular value of this storage energy by such as atmospheric pressure value.First order gas bomb 31 in two-stage gas bomb runs gas bomb for supplementing, when peak of power consumption, if after opening second flow valve 35, system output power is also less than peak of power consumption power, then open first flow valve 34, use the energy stored in first order gas bomb 31 to supplement for the output of system.
Setting by such scheme of the present invention, when only the storage energy in standard operation gas bomb is enough to make electricity generation system be maintained at optimum efficiency when peak of power consumption, just using its storage energy, thus ensure that electricity generation system can be run with optimum efficiency, improve the operational efficiency of electricity generation system.
The operational process of the storage of above-mentioned electromotor trough-electricity and peak regulation system, including as follows: in the low power consumption stage, close first flow valve 35 and second flow valve 34, open switch valve 33, valley electricity is used to drive air compressor 2 to make air adiabatic be compressed to first order high-pressure gas cylinder 31 and second level high-pressure gas cylinder 32, when second level high-pressure gas cylinder 32 internal gas pressure reaches specific threshold, closing switch valve；When peak of power consumption, if second level high-pressure gas cylinder 32 is not reaching to specific threshold, then it is not turned on first flow valve and second flow valve, if second level high-pressure gas cylinder reaches specific threshold, then open described second flow valve, making gas in second flow valve export with described specific flow velocity, when this specific flow velocity exports, the efficiency of electricity generation system reaches optimum efficiency.When peak of power consumption, if after opening described second flow valve 35, system output power is also less than peak of power consumption power, then open first flow valve 34, make the flow velocity of gas by first flow valve 34 more than described specific flow velocity so that first order high-pressure gas cylinder also under the optimum efficiency of output to(for) electricity generation system supplement.
Above example is only in order to illustrate that technical scheme is not intended to limit, although the present invention being described in detail with reference to above-described embodiment, those of ordinary skill in the field are it is understood that still can modify to the specific embodiment of the present invention or equivalent replacement, and without departing from any amendment of spirit and scope of the invention or equivalent replace, it all should be encompassed in the middle of scope of the presently claimed invention.
Claims (3)
1. the storage of electromotor trough-electricity and a peak regulation system, including internal combustion engine generator, what be in fluid communication successively states air compression plant, compression air preheater, waste-heat recovery device and decompressor；Described internal combustion engine generator can compress the air in air compression plant, is stored in air compression plant by electric energy；It is characterized in that: described air compression plant includes air compressor and two-stage high-pressure gas cylinder；Wherein first order high-pressure gas cylinder has an entrance and two outlets；Second level high-pressure gas cylinder has an entrance and an outlet；The entrance of described first order high-pressure gas cylinder connects with air compressor, and its first outlet is connected by first flow valve with compression air preheater, and the second outlet is connected by switch valve with described second level high-pressure gas cylinder entrance；The outlet of described second level high-pressure gas cylinder is connected with compression air preheater by second flow valve；Described second level high-pressure gas cylinder is that standard runs gas bomb, when only the storage energy in the high-pressure gas cylinder of the second level reaches particular value, just open the second flow valve between second level high-pressure gas cylinder and compression air preheater in the peak of power consumption stage, use it to run；Described first order high-pressure gas cylinder runs gas bomb for supplementing, when peak of power consumption, if after opening second flow valve, system output power is also less than peak of power consumption power, then open first flow valve, use the energy stored in first order high-pressure gas cylinder to supplement for the output of system.
2. the operation method of device according to claim 1, including as follows: in the low power consumption stage, close first flow valve and second flow valve, open switch valve, use valley electricity to drive air compressor to make air adiabatic be compressed to first order high-pressure gas cylinder and second level high-pressure gas cylinder；When second level high-pressure gas cylinder internal gas pressure reaches described specific threshold, closing switch valve, continues to be reduced to air pressure described first order high-pressure gas cylinder；When peak of power consumption, if second level high-pressure gas cylinder is not reaching to described specific threshold, then it is not turned on first flow valve and second flow valve, if second level high-pressure gas cylinder reaches described specific threshold, then open described second flow valve, make gas in second flow valve export with described specific flow velocity.
3. operation method according to claim 2, it is characterized in that: when peak of power consumption, if after opening described second flow valve, system output power is also less than peak of power consumption power, then open described first flow valve, make the flow velocity of gas by described first flow valve more than described specific flow velocity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123270.0A CN105781648B (en) | 2015-06-20 | 2015-06-20 | Off-peak electricity storage peak regulation system and operation control method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123270.0A CN105781648B (en) | 2015-06-20 | 2015-06-20 | Off-peak electricity storage peak regulation system and operation control method thereof |
| CN201510343754.1A CN105019960B (en) | 2015-06-20 | 2015-06-20 | The storage of power system trough-electricity and peak regulation control system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510343754.1A Division CN105019960B (en) | 2015-06-20 | 2015-06-20 | The storage of power system trough-electricity and peak regulation control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105781648A true CN105781648A (en) | 2016-07-20 |
| CN105781648B CN105781648B (en) | 2020-09-29 |
Family
ID=56386949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610123270.0A Active CN105781648B (en) | 2015-06-20 | 2015-06-20 | Off-peak electricity storage peak regulation system and operation control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105781648B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108270217A (en) * | 2018-02-27 | 2018-07-10 | 华翔翔能电气股份有限公司 | Marsh gas power generation management method and system based on tou power price policy |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213113A (en) * | 2011-06-12 | 2011-10-12 | 中国科学院工程热物理研究所 | Compressed-air energy-storage system |
| CN102588024A (en) * | 2011-01-18 | 2012-07-18 | 中国科学院过程工程研究所 | Low ebb electricity and waste heat recovering, storing and recycling system of internal combustion engine generator |
| CN103628932A (en) * | 2013-11-25 | 2014-03-12 | 赖勇清 | High-efficiency compressed air energy storage power generation system |
| CN203603986U (en) * | 2013-10-15 | 2014-05-21 | 天津市燊丰科技发展有限公司 | Gas turbine waste-heat utilization device |
-
2015
- 2015-06-20 CN CN201610123270.0A patent/CN105781648B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588024A (en) * | 2011-01-18 | 2012-07-18 | 中国科学院过程工程研究所 | Low ebb electricity and waste heat recovering, storing and recycling system of internal combustion engine generator |
| CN102213113A (en) * | 2011-06-12 | 2011-10-12 | 中国科学院工程热物理研究所 | Compressed-air energy-storage system |
| CN203603986U (en) * | 2013-10-15 | 2014-05-21 | 天津市燊丰科技发展有限公司 | Gas turbine waste-heat utilization device |
| CN103628932A (en) * | 2013-11-25 | 2014-03-12 | 赖勇清 | High-efficiency compressed air energy storage power generation system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108270217A (en) * | 2018-02-27 | 2018-07-10 | 华翔翔能电气股份有限公司 | Marsh gas power generation management method and system based on tou power price policy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105781648B (en) | 2020-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102758690B (en) | Efficient high-pressure liquid air energy storage/release system | |
| CN102758748B (en) | High-pressure liquid air energy storage/release system | |
| US9217423B2 (en) | Energy storage system using supercritical air | |
| CN108533476A (en) | A kind of heat pump supercritical air energy storage system | |
| CN202811078U (en) | Ultra-supercritical air energy storage/release system | |
| CN107893735A (en) | A kind of laddering underwater compressed-air energy-storage system using wave energy/wind energy | |
| CN103967616A (en) | Thermal power generation system | |
| CN109505666A (en) | A kind of jet expansion compound compression air energy storage systems | |
| CN209586452U (en) | A kind of jet expansion compound compression air energy storage systems | |
| CN105444247B (en) | Regional energy supply system based on comprehensive recycling of various low-grade waste heat | |
| CN104929776A (en) | Combined cycle power generation system utilizing gas and natural gas pipe network pressure energy | |
| CN103437870A (en) | System and method for comprehensively utilizing residual heat of compressed natural gas engine (CNGE) | |
| CN102352777A (en) | Energy-storage and power-generation system and method of reversible single-screw compression expansion machine | |
| CN102588024B (en) | Low ebb electricity and waste heat recovering, storing and recycling system of internal combustion engine generator | |
| CN202811238U (en) | High-pressure liquid-state air energy storage/release system | |
| CN202811079U (en) | High-efficiency and high-pressure liquid air energy storage/ release system | |
| CN203867643U (en) | Compressed air energy storage device | |
| CN113982891A (en) | Compressed air composite energy storage system for old thermal power plant boiler transformation and operation method thereof | |
| CN109826684B (en) | Low-pressure organic Rankine cycle power generation system capable of efficiently utilizing low-temperature cold energy | |
| CN113803709A (en) | Thermal power plant coupling data center comprehensive energy system and operation method | |
| CN109944650B (en) | Combined cooling, heating and power system and method containing supercritical compressed air energy storage | |
| CN105019960B (en) | The storage of power system trough-electricity and peak regulation control system | |
| CN104454054A (en) | Constant-pressure energy storage system using carbon dioxide as working medium | |
| CN103256081B (en) | Energy comprehensive utilization method based on supercritical air | |
| CN220134041U (en) | Coupling system of compressed carbon dioxide energy storage and carbon capture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200903 Address after: Room 203, No. 123, taoyuankou, Xizhang village, Punan street, Pujiang County, Jinhua City, Zhejiang Province Applicant after: Pujiang Shanlin Trading Co.,Ltd. Address before: Suzhou Wuzhong District City, Jiangsu province 215124 Guo Zhen Xing Guo Road No. 46 Applicant before: Zhao Dongxu |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211111 Address after: 276700 Zhongchuang space, Xingye street, economic development zone, Linshu County, Linyi City, Shandong Province Patentee after: Linshu Yixing steam supply maintenance service Co.,Ltd. Address before: 322200 Room 203, No. 123, taoyuankou, Xizhang village, Punan street, Pujiang County, Jinhua City, Zhejiang Province Patentee before: Pujiang Shanlin Trading Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230410 Address after: 518000 Room 101, No. 19, No. 3 industrial zone, Xiacun community, Gongming street, Guangming District, Shenzhen, Guangdong Patentee after: Shenzhen Aerospace Science and Technology Co.,Ltd. Address before: 276700 Zhongchuang space, Xingye street, economic development zone, Linshu County, Linyi City, Shandong Province Patentee before: Linshu Yixing steam supply maintenance service Co.,Ltd. |
|
| TR01 | Transfer of patent right |