CN204535215U - A kind of CO be applicable under low temperature environment 2heat pump gas-liquid separator - Google Patents
A kind of CO be applicable under low temperature environment 2heat pump gas-liquid separator Download PDFInfo
- Publication number
- CN204535215U CN204535215U CN201520195959.5U CN201520195959U CN204535215U CN 204535215 U CN204535215 U CN 204535215U CN 201520195959 U CN201520195959 U CN 201520195959U CN 204535215 U CN204535215 U CN 204535215U
- Authority
- CN
- China
- Prior art keywords
- sealing cylinder
- cylinder housing
- heat pump
- liquid separator
- low temperature
- 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.)
- Active
Links
Landscapes
- Compressor (AREA)
Abstract
The utility model provides a kind of CO be applicable under low temperature environment
2heat pump gas-liquid separator, it comprises a sealing cylinder housing (1), be arranged at the air inlet (2) at sealing cylinder housing (1) top and be arranged at sealing cylinder housing (1) middle and lower part, the exhaust outlet (3) of top, bottom, the bottom of housing (1) is provided with spill port (4), set temperature sensor (5) on housing (1) inwall, cylindrical shell (1) lower inside arranges electrical heating wire (6), the temperature of enclosure interior is detected exactly by temperature sensor, judge whether to need to open electrical heating wire, open electrical heating wire heating liquid CO when the temperature is low
2be vaporized and be separated to prevent compressor liquid hammer with oil, then housing bottom is only left oil and is reclaimed by spill port, thus realizes the efficient separation of gas, liquid, oil, the problem of compressor oil return excessive band liquid when simultaneously solving microthermal climate, and ensure that the CO entering compressor
2the soakage of gas is in normal level always, finally improves CO
2the stability of compressor and the heating performance of heat pump.
Description
Technical field
The utility model belongs to thermal power transfer and utilize technical field, particularly relates to a kind of carbon dioxide (CO be applied under cold district low temperature environment
2) structure of heat pump gas-liquid separator.
Background technology
Rapidly, countries in the world waste gas and greenhouse gas emissions increase fast, bring serious threat to the living environment of the people of the world in current world economy development.Therefore greatly develop the great attention that regenerative resource and clean energy resource just receive national governments, national governments have put into effect support to regenerative resource and clean energy resource and support policy in succession, have greatly promoted the fast development of New Energy Industry.CO
2the advantages such as heat pump is very friendly to environment with it, high efficiency, energy source are extensive, volume is little receive the great attention of government and hot and cold industry in developed country.Numerous research institution, universities and colleges, enterprise in succession drop into substantial contribution and develop development.CO
2heat pump primarily of compressor, condenser, expansion gear and evaporimeter four part composition, from the CO of compressor outlet
2fluid flows through condenser, expansion gear and evaporimeter successively, finally returns in compressor, thus completes a thermodynamic cycle.After evaporator, CO
2fluid should be gaseous state, so just fully can ensure the security reliability of compressor and the performance of heat pump.
But in actual heat pump running, as under cold district low temperature environment, the CO of evaporator outlet
2and be not exclusively gas, it also has the existence of liquid component.This external CO
2during heat pump runs, the lubricating oil of Partial shrinkage machine can with CO
2fluid flows out compressor, enters other parts of system, if lubricating oil can not return compressor preferably, brings impact also will to the normal operation of compressor.In order to address these problems, generally can one realizes gas-liquid separation gas-liquid separator by gravitational settling be set between evaporimeter and compressor in prior art, make CO
2the bottom of container is sunk to greatly with the mixing material density of oil, gas density is little and be present in the top of container, and then the separation realized between gas-liquid, but current this gas-liquid separation container is when liquid component is more, the separation completely of gas-liquid can not be realized well, and also can't resolve the problem of lubricating oil return simultaneously.
Utility model content
The purpose of this utility model is intended to make CO
2heat pump can also realize gas, liquid, oily separation at low ambient temperatures well to improve CO
2gas inhaled concentration, and ensure CO well
2the normal oil return of heat pump, and a kind of CO be applicable under low temperature environment is provided
2heat pump gas-liquid separator, it comprises a sealing cylinder housing, the air inlet being arranged at sealing cylinder case top and the exhaust outlet be arranged at above sealing cylinder housing middle and lower part, bottom, the bottom of sealing cylinder housing is provided with spill port, the inwall of described sealing cylinder housing is provided with temperature sensor, and described cylindrical shell lower inside is provided with electrical heating wire.
Also comprise and being arranged in sealing cylinder housing, be positioned at the dividing plate for filtration below case top, above exhaust outlet.
Described dividing plate is the circular slab identical with described sealing cylinder housing inner diameter but is removed even five valve structures of 5 equal sector regions at circumferencial direction equably.
Also comprise the blast pipe of " L " shape, the upper end of " L " shape blast pipe should be positioned at described sealing cylinder enclosure interior and lower than the position of described dividing plate, its lower end is communicated with described exhaust outlet and stretches out described sealing cylinder housing.
Also comprise the oil return pipe of " L " shape being positioned at described sealing cylinder hull outside, the upper end of being somebody's turn to do the oil return pipe of " L " shape is communicated with spill port, for being reclaimed by oil.
Described sealing cylinder inner walls is provided with pressure sensor.
Described sealing cylinder case top outer wall is provided with safety valve.
The stage casing of described " L " shape oil return pipe is provided with check valve.
On described " L " shape oil return pipe, along the direction of advance of oil circuit, check valve rear end is provided with magnetic valve.
Described electrical heating wire, safety valve and magnetic valve are controlled by PLC control system, and the signal transmission that described temperature sensor and described pressure sensor detect is to PLC control system.
The utility model has following beneficial effect:
1. the temperature sensor by being arranged on the inwall of sealing cylinder housing can detect the temperature of enclosure interior exactly, judge whether to need to open electrical heating wire by the temperature detected, temperature as detected is lower, opens the electrical heating wire being arranged on cylindrical shell lower inside, thus the liquid CO to enclosure interior
2heat, make it gasification and become gaseous state, discharged by blast pipe, then housing bottom only surplus oil, and discharged by spill port, thus realize the efficient separation of gas, liquid, oil, prevent compressor liquid hammer, solve the recovery problem of oil simultaneously, and ensure that the CO of compressor
2the soakage of gas is in normal level always, thus improves CO
2the stability of compressor and the heating performance of heat pump.
2. by being arranged in sealing cylinder housing, be positioned at dividing plate below case top, above exhaust outlet, can effectively play the effect that the gas entered is filtered, prevent other impurity such as dust from entering seal casinghousing.
3. by arranging pressure sensor on the inwall of described sealing cylinder housing; can effectively play the effect that the pressure of seal casinghousing inside is detected and monitored; prevent hypertonia from exceeding the tolerance range of sealing cylinder housing; the heating function of electrical heating wire is closed when internal pressure exceedes setting; and coordinate the safety valve of case top to carry out pressure release, with the safety of proterctive equipment and whole system.
4., by arranging check valve on the stage casing of described " L " shape oil return pipe, what can effectively prevent oil circuit from flowing to be converse, ensure that normally orderly the carrying out of oil return
5. by " L " shape oil return pipe is arranged a magnetic valve and effectively can carry out opening and closing by this magnetic valve to oil return line according to the situation of compressor oil level, to ensure the safety of compressor at check valve rear along oil circuit direction.
6. described in, electrical heating wire, safety valve and magnetic valve are controlled by PLC control system, the signal transmission that described temperature sensor and described pressure sensor and compressor oil level sensor detect to PLC control system, to reach the safety to accurate, the accurate control of whole system and guarantee whole system in time.
Accompanying drawing explanation
Fig. 1 is a kind of CO be applicable under low temperature environment of the present utility model
2the structural representation of heat pump gas-liquid separator;
Fig. 2 is the control connection schematic diagram of PLC control system of the present utility model.
Description of reference numerals:
1-sealing cylinder housing, 2-air inlet, 3-exhaust outlet, 4-spill port, 5-temperature sensor, 6-electrical heating wire, 7-dividing plate, 8-blast pipe, 9-oil return pipe, 10-pressure sensor, 11-safety valve, 12-check valve, 13-magnetic valve, 14-PLC control system
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, the utility model provides a kind of CO be applicable under low temperature environment
2heat pump gas-liquid separator, it comprises a sealing cylinder housing 1, the air inlet 2 being arranged at sealing cylinder housing 1 top and the exhaust outlet 3 be arranged at above sealing cylinder housing 1 middle and lower part, bottom, the bottom of sealing cylinder housing 1 is provided with spill port 4, the inwall of described sealing cylinder housing 1 is provided with temperature sensor 5, and described cylindrical shell 1 lower inside is provided with electrical heating wire 6.The temperature of enclosure interior can be detected exactly by the temperature sensor 5 being arranged on the inwall of sealing cylinder housing 1, by the temperature that detects and then judge whether to need to open electrical heating wire 6,
Work as CO
2operation of heat pump, when lower environment temperature, has liquid CO in gas-liquid separator
2formed, the now CO of compressor
2soakage reduces, thus causes CO
2the heating performance of heat pump and heating capacity reduce.Now gas-liquid separation container is when liquid component is more, can not realize the separation completely of gas-liquid well, therefore must take appropriate measures to it.Can obtain through experiment, under normal circumstances as temperature T > 5 DEG C, CO
2fluid density is less than the density of lubricating oil, and it is positioned at above lubricating oil all the time, but when temperature T is low again, CO
2the density of liquid then becomes from the density being less than lubricating oil the density being greater than lubricating oil, therefore now CO
2liquid just can be deposited on the below of lubricating oil.Therefore the utility model detects the temperature obtaining enclosure interior by temperature sensor 5, and as its < 5 DEG C, just electrical heating wire 6 opened by starting switch, makes CO in housing
2liquid gasifies on a small quantity, is discharged by blast pipe, and now bottom only surplus lubricating oil substantially, then reclaimed by oil return pipe, achieve the efficient separation between gas, liquid, oil, and solves the problem that lubricating oil reclaims, and can also ensure the CO of compressor
2the soakage of gas is in a normal level, thus improves CO
2the heating capacity of heat pump and heating performance.
And pass through the effect of electrical heating wire substantially by CO
2liquids and gases control above lubricating oil, to be just therefore now positioned at bottom cylindrical shell 1 only surplus lubricating oil substantially, therefore to arrange at housing bottom the purity that spill port 4 can ensure oil in oil return effectively, improve the separating effect of gas, liquid, oil.
Further, this device also comprises and is arranged in sealing cylinder housing 1, be positioned at below case top, the dividing plate 7 for filtration above exhaust outlet 3, can effectively to the effect that the gas entered filters by the design of dividing plate 7, prevent other impurity such as dust, particle from entering seal casinghousing, ensure the normal operation of gas-liquid separator.
Further, described dividing plate 7 is the circular slab identical with described sealing cylinder housing 1 internal diameter but is removed even five valve structures of 5 equal sector regions at circumferencial direction equably, such homogeneous texture design can ensure that the normal homogeneous of gas enters, effectively can also isolate other impurity particles such as dust, particle again, thus ensure that the normal operation of gas-liquid separator.
Further, also comprise the blast pipe 8 of " L " shape, should to be positioned at described sealing cylinder housing 1 inner and lower than the position of described dividing plate 7 upper end of " L " shape blast pipe 8, its lower end is communicated with described exhaust outlet 3 and stretches out described sealing cylinder housing 1, the air-breathing pipe end of blast pipe 8 is arranged on the position of top in housing, due to CO
2gas density is low, and such design can ensure that well and enter blast pipe 8 inside for CO
2the accuracy of gas, improves the CO entering compressor
2the purity of gas, improves the performance of compressor.
Further, also comprise the oil return pipe 9 of " L " shape being positioned at described sealing cylinder housing 1 outside, should the upper end of oil return pipe 9 of " L " shape be communicated with spill port 4, for by oil recovery, by the effect of electrical heating wire substantially by CO
2liquids and gases control above lubricating oil, and to be just therefore now positioned at bottom cylindrical shell 1 only surplus lubricating oil substantially, oil return pipe 9, for being reclaimed by oil, can be directed in compressor, effectively to lubricate the corresponding construction parts of compressor.
Further, described sealing cylinder housing 1 inwall is provided with pressure sensor 10, due to the structural strength of cylindrical shell 1 and the degree of bearing capacity, therefore need to control enclosure interior gas pressure in certain safe range, maximum pressure of the present utility model is 6MPa, and the effect therefore arranging pressure sensor 10 is for playing in real time to detection and the monitoring of internal pressure.
Further; the top of described sealing cylinder housing 1 is provided with safety valve 11; pressure sensor 10 detects the pressure of enclosure interior; need with safety valve 11 mating reaction; ensure that the pressure of enclosure interior is unlikely to exceed maximum pressure (utmost carrying ability); carrying out suitable pressure release close to during the limit by safety valve, to protect the security of whole equipment and operation.
Further, the stage casing of described " L " shape oil return pipe 9 is provided with check valve 12, by the design of this structure can effectively prevent oil circuit from flowing to converse, ensure that lubricating oil is according to flowing to flowing (namely from housing flow out) normally, normally orderly the carrying out of guarantee oil return.
Further, on described " L " shape oil return pipe 9, direction of advance along oil circuit is provided with magnetic valve 13 in check valve 12 rear end, because oil return pipe 9 rear end is connected to compressor casing to lubricate the frame for movement of compressor inside, therefore the effect of the magnetic valve 13 at this place is in due course by opening, close this magnetic valve 13 to reach the on-off to entering oil in compressor, one fuel level sensor preferably can be set on the compressor to detect the height of oil level, this magnetic valve 13 is closed to close oil circuit when oil level is too high, when oil level is too low, opens solenoid valve 13 is to open oil circuit.
As shown in Figure 2, further, described electrical heating wire 6, safety valve 11 and magnetic valve 13 are controlled by PLC control system 14, described temperature sensor 5 and described pressure sensor 10 (and the fuel level sensor of compressor, not shown) signal transmission that detects is to PLC control system 14, PLC is writing a Chinese character in simplified form of Programmable Logic Controller, Chinese is programmable logic controller (PLC), it adopts a class programmable memory, for its internally stored program, actuating logic computing, sequential control, regularly, the user oriented instructions such as counting and arithmetical operation.
Particularly, the temperature signal that described temperature sensor 5 detects passes to PLC control system 14, PLC control system 14 analysis judges that whether described temperature is too high or too low, such as when too low, (preferred T < 5 DEG C) transmits instruction and controls to open electrical heating wire 6 and heat, as not low (preferred T > 7 DEG C), control to close electrical heating wire 6; The enclosure interior pressure signal transmission that described pressure sensor 10 detects is to PLC control system 14, PLC control system 14 analysis judges that whether described pressure is too high, such as transmit instruction to control to close electrical heating wire 6 as too high (preferred P > 6MPa), and open the safety-valve and 11 carry out pressure release, to maintain the pressure security of enclosure interior; The inner oil level signal transmission of the compressor that the fuel level sensor of described compressor detects is to PLC control system 14, PLC control system 14 analysis judges that whether described oil level is too high or too low, such as when too low, (preferred oil level lower than the whole height of compressor 1/3 time) transmits instruction and controls to open magnetic valve 13 way to cycle oil is opened, when not low (preferred oil level higher than the whole height of compressor 2/3 time), shut electromagnetic valve 13 makes way to cycle oil close.
Preferably, cylindrical gas-liquid separator of the present utility model is of a size of: height overall is 1m, and diameter is 325mm, and oil-out diameter is 3mm, and venthole diameter is 12mm, and the environment temperature of work is-20-50 DEG C of scope, and maximum pressure is 6Mpa.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (10)
1. one kind is applicable to the CO under low temperature environment
2heat pump gas-liquid separator, it is characterized in that: comprise a sealing cylinder housing (1), the air inlet (2) being arranged at sealing cylinder housing (1) top and the exhaust outlet (3) be arranged at above sealing cylinder housing (1) middle and lower part, bottom, the bottom of sealing cylinder housing (1) is provided with spill port (4), the inwall of described sealing cylinder housing (1) is provided with temperature sensor (5), and described cylindrical shell (1) lower inside is provided with electrical heating wire (6).
2. a kind of CO be applicable under low temperature environment according to claim 1
2heat pump gas-liquid separator, is characterized in that: also comprise and being arranged in sealing cylinder housing (1), be positioned at below case top, exhaust outlet (3) top the dividing plate for filtration (7).
3. a kind of CO be applicable under low temperature environment according to claim 2
2heat pump gas-liquid separator, is characterized in that: described dividing plate (7) is the circular slab identical with described sealing cylinder housing (1) internal diameter but is removed even five valve structures of 5 equal sector regions at circumferencial direction equably.
4. a kind of CO be applicable under low temperature environment according to claim 2
2heat pump gas-liquid separator, it is characterized in that: the blast pipe (8) also comprising " L " shape, the upper end of " L " shape blast pipe (8) should be positioned at that described sealing cylinder housing (1) is inner and lower than the position of described dividing plate (7), its lower end is communicated with described exhaust outlet (3) and stretches out described sealing cylinder housing (1).
5. a kind of CO be applicable under low temperature environment according to claim 2
2heat pump gas-liquid separator, it is characterized in that: also comprise the oil return pipe (9) being positioned at outside " L " shape of described sealing cylinder housing (1), the upper end of being somebody's turn to do the oil return pipe (9) of " L " shape is communicated with spill port (4), for being reclaimed by oil.
6. a kind of CO be applicable under low temperature environment according to claim 1
2heat pump gas-liquid separator, is characterized in that: on described sealing cylinder housing (1) inwall, be provided with pressure sensor (10).
7. a kind of CO be applicable under low temperature environment according to claim 1
2heat pump gas-liquid separator, is characterized in that: the top of described sealing cylinder housing (1) is provided with safety valve (11).
8. a kind of CO be applicable under low temperature environment according to claim 1
2heat pump gas-liquid separator, is characterized in that: on the stage casing of described " L " shape oil return pipe (9), be provided with check valve (12).
9. a kind of CO be applicable under low temperature environment according to claim 8
2heat pump gas-liquid separator, is characterized in that: upper in described " L " shape oil return pipe (9), along the direction of advance of oil circuit, check valve (12) rear end is provided with magnetic valve (13).
10. a kind of CO be applicable under low temperature environment according to claim 9
2heat pump gas-liquid separator, it is characterized in that: described electrical heating wire (6), safety valve (11) and magnetic valve (13) are controlled by PLC control system (14), the signal transmission that described temperature sensor (5) and described pressure sensor (10) detect is to PLC control system (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520195959.5U CN204535215U (en) | 2015-03-30 | 2015-03-30 | A kind of CO be applicable under low temperature environment 2heat pump gas-liquid separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520195959.5U CN204535215U (en) | 2015-03-30 | 2015-03-30 | A kind of CO be applicable under low temperature environment 2heat pump gas-liquid separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204535215U true CN204535215U (en) | 2015-08-05 |
Family
ID=53749207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520195959.5U Active CN204535215U (en) | 2015-03-30 | 2015-03-30 | A kind of CO be applicable under low temperature environment 2heat pump gas-liquid separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204535215U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716336A (en) * | 2016-04-14 | 2016-06-29 | 福建欣隆环保有限公司 | Industrial and commercial MW-grade transcritical carbon dioxide heat pump oil separator |
| CN107676846A (en) * | 2017-10-26 | 2018-02-09 | 何铭 | A kind of CO2Air source heat pump synergy heating installation |
-
2015
- 2015-03-30 CN CN201520195959.5U patent/CN204535215U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716336A (en) * | 2016-04-14 | 2016-06-29 | 福建欣隆环保有限公司 | Industrial and commercial MW-grade transcritical carbon dioxide heat pump oil separator |
| CN107676846A (en) * | 2017-10-26 | 2018-02-09 | 何铭 | A kind of CO2Air source heat pump synergy heating installation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204535215U (en) | A kind of CO be applicable under low temperature environment 2heat pump gas-liquid separator | |
| CN205933758U (en) | Condensing vapor recovery system equipment | |
| CN108049917A (en) | It is a kind of based on single-screw expander without fluid reservoir skid-mounted type organic Rankine cycle power generation system | |
| CN207776908U (en) | It is a kind of based on single-screw expander without fluid reservoir skid-mounted type organic Rankine cycle power generation system | |
| CN204727859U (en) | A kind of garbage loading embeading gas processing system | |
| CN105371103B (en) | A kind of combined type natural gas recovery system and method | |
| CN104771927B (en) | The organic mixed solvent gas concentration unit of a kind of volatility | |
| CN206996142U (en) | A kind of flue-gas treater | |
| CN207035565U (en) | Superhigh-temperature heat pump device with thermal source recovery | |
| CN101518707A (en) | Method for adsorbing and dehumidifying mash gas and device thereof | |
| CN203330105U (en) | Unpowered household garbage flash and mineralization disposer | |
| CN203577568U (en) | Tail gas recycling device | |
| CN207501325U (en) | Carbon dioxide recovery refrigerated air-conditioning system in closed working space | |
| CN202962136U (en) | Special centrifugal type oil stain separator for compressed natural gas | |
| CN202813929U (en) | Fluid module of refrigerant recovery filling machine of automobile | |
| CN104511231B (en) | A kind of energy-saving cold dryer blood circulation | |
| CN208612348U (en) | A kind of low concentration gas mixing tank | |
| CN211082080U (en) | Active carbon recycling device | |
| CN205825584U (en) | A kind of intelligentized petroleum benzin conversion equipment | |
| CN106761958A (en) | Turbine expansion unit blanket gas recovery system | |
| CN103515638B (en) | A kind of hydrogen manufacturing-storage hydrogen power generation integrated system | |
| CN202017520U (en) | Air purifying, cooling and dehumidifying integrated device for mining rescue capsule | |
| CN107631392A (en) | Carbon dioxide recovery refrigerated air-conditioning system in closed working space | |
| CN210485777U (en) | Biomass fuel boiler's waste heat from flue gas device | |
| CN204035568U (en) | The recycling utilization equipment of hydrogen rich off gas in neodymium iron boron hydrogen production process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160830 Address after: 065000 Langfang City, Hebei province Anci District Road No. 29, a scientific and technological achievements incubator plant No. 1 (Depp campus) Patentee after: YANYUAN DEPU TECHNOLOGY (BEIJING) CO.,LTD. Address before: 100871 Yi Fu Road, 5, the Summer Palace Road, Haidian District, Beijing, 3352, China Patentee before: Tian Youhua |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211008 Address after: 215100 room 0204, floor 2, building B, vitality Business Plaza, No. 185 jumao street, Yuanhe street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Suzhou carbon Lisheng Technology Co.,Ltd. Address before: 065000 plant 1, scientific and technological achievements Incubation Park, No. 29, Ruixue Road, anci District, Langfang City, Hebei Province (Yanyuan Depu) Patentee before: YANYUAN DEPU TECHNOLOGY (BEIJING) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221214 Address after: B403, Floor 4, Building 3, Yard 13, Cuihunan Ring Road, Haidian District, Beijing 100080 Patentee after: YANYUAN DEPU TECHNOLOGY (BEIJING) CO.,LTD. Address before: 215100 room 0204, floor 2, building B, vitality Business Plaza, No. 185 jumao street, Yuanhe street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: Suzhou carbon Lisheng Technology Co.,Ltd. |