CN108167952A - A kind of dehumidifier that environment Wen Sheng is reduced using condensed water - Google Patents
A kind of dehumidifier that environment Wen Sheng is reduced using condensed water Download PDFInfo
- Publication number
- CN108167952A CN108167952A CN201711397435.4A CN201711397435A CN108167952A CN 108167952 A CN108167952 A CN 108167952A CN 201711397435 A CN201711397435 A CN 201711397435A CN 108167952 A CN108167952 A CN 108167952A
- Authority
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- China
- Prior art keywords
- casing
- dehumidifier
- condenser
- evaporator
- water tank
- 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.)
- Pending
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000001816 cooling Methods 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000008676 import Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001835 salubrious effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
- F24F2003/1446—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only by condensing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Gases (AREA)
Abstract
The present invention discloses a kind of dehumidifier that environment Wen Sheng is reduced using condensed water, evaporator, cooling fins, condenser, fan, motor, expansion valve, pipeline, compressor, heat conducting pipe, water tank, supporting plate, sink including casing and in casing, casing front sets air inlet, back side setting air outlet；Compressor and water tank are arranged side by side in the lower part in casing, and water tank is placed on supporting plate, and evaporator, condenser, fan, motor and cooling fins are sequentially arranged in casing top from front to back；Condenser is connected with evaporator by first pipe with expansion valve, and expansion valve is mounted on the outlet of condenser, it is connected between evaporator, compressor, condenser by pipeline, fan, motor, cooling fins are fixedly connected sequentially, cooling fins are fixed on one end of heat conducting pipe, and the other end of heat conducting pipe is fixedly connected with supporting plate.The dehumidifier of the present invention does not cause larger environment temperature to increase while ambient humidity is reduced, and makes one to feel dry and comfortable comfortable.
Description
Technical field
The present invention relates to dehumidifier fields, and in particular to a kind of dehumidifier that environment Wen Sheng is reduced using condensed water.
Background technology
Existing domestic dehumidifying machine is mainly refrigeration-type, by compressor, heat exchanger (including evaporator and condenser), wind
The compositions such as fan, casing, sink, water tank, controller are shown in attached drawing 1.Its operation principle is：By wind turbine by humid air inhalation machine,
By evaporator cooling air, make at a temperature below dew-point temperature and condensation of water, air after cooling is heated by condenser
Afterwards outside discharge machine, condensed water is then collected by sink and flows into water tank, constantly carries out air circulation so as to reduce ambient humidity.Compression
Machine recycles (interior cycle) operation principle：Compressor operating, discharge high temperature and high pressure gaseous refrigerant, into condenser in cool down
(to environment heat release), become high temperature and pressure liquid refrigerant, become low-temp low-pressure liquid refrigeration after expansion valve throttling processing
Agent absorbs amount of heat into evaporator later, becomes low-temp low-pressure gaseous refrigerant, then into compressor, and so on
Cycle.And air circulation (outer circulation) operation principle is：Humid air is drawn through by evaporator from air port by fan operation
Vapor in air is condensed into water absorption on evaporator aluminium flake, condensed water flows into water tank after sink is collected, by steaming
Hair device air after cooling is heated using condenser, then from the dry gas of air outlet discharge, so on circulate by ring
Border humidity reduces.
Since condenser is more apparent to the cooling effect of air than evaporator to the heat effect of air, dehumidifier air outlet
Although air is more dry compared to entrance, also higher, i.e. dehumidifier work not only reduce ambient humidity, also make ring temperature
Border temperature has larger raising.It is generally used in view of dehumidifier in the temperature such as summer or plum rains and humidity higher season, though
Right dehumidifier reduces ambient humidity, but since environment temperature increases, makes one imperceptible salubrious or dry and comfortable, feel instead compared with
Heat.
Invention content
In view of the deficiencies of the prior art, the present invention discloses a kind of dehumidifier that environment Wen Sheng is reduced using condensed water, this is removed
Wet machine cools down to surrounding air using the condensed water generated inside dehumidifier, and dehumidifier is made not made while ambient humidity is reduced
It is increased into larger environment temperature, it is dryer and comfortableer comfortable to make one experience.Specific technical solution is as follows：
A kind of dehumidifier that environment Wen Sheng is reduced using condensed water, which is characterized in that the dehumidifier includes casing 1 and peace
Evaporator 3, cooling fins 4, condenser 5 inside casing 1, fan 6, motor 7, expansion valve 8, first pipe 9, second
Pipeline 10, third pipeline 11, compressor 12, heat conducting pipe 13, supporting plate 14, water tank 15, sink 16, the front of the casing 1 are set
Put air inlet, the back side setting air outlet of the casing 1；
The compressor 12 and water tank 15 is arranged side by side in the lower part in the casing 1, and the supporting plate 14 is placed
In the bottom surface of the casing 1, the water tank 15 is placed on the supporting plate 14, the evaporator 3, condenser 5, wind
Fan 6, motor 7 and cooling fins 4 are sequentially arranged in the top in the casing 1 from front to back；
The condenser 5 is connected, and described with the evaporator 3 by the first pipe 9 with expansion valve 8
Expansion valve 8 is mounted on the outlet of the condenser 5, and the outlet of the evaporator 3 and the entrance of the compressor 12 lead to
The second pipe 10 is crossed to connect, and the evaporator 3 bottom end setting sink 16, the outlet of the compressor 12 with
The entrance of the condenser 5 is connected by third pipeline 11；The fan 6, motor 7, cooling fins 4 are fixed successively to be connected
It connects, the cooling fins 4 are fixed on one end of the heat conducting pipe 13, the other end of the heat conducting pipe 13 and the support
Plate 14 is fixedly connected.
Further, 1 side lower of casing has opening, and the water tank 15 can be extracted out out of described casing 1.
Further, the water tank is made of aluminium alloy, and the supporting plate 14 is metal supporting plate.
Further, 16 bottom surface of sink is equipped with opening, and the bottom surface of the opening both sides tilts the angle of setting
Degree, facilitates water to flow out, and 15 upper opening of water tank.
Further, dehumidifier further includes attaching plug 2, and the attaching plug 2 is stretched out from the cabinet sides.
Further, the air inlet is arranged on the front upper in the casing 1, and the air outlet is arranged on
Upper rear portion in the casing 1, and air inlet and air outlet are rectangle.
Compared with prior art, beneficial effects of the present invention are as follows：
The present invention is being flowed through and the heat exchanger that connect of condensation water tank, utilization using air after evaporator and condenser
The air of cryogenic condensation water cooling drying reduces the temperature of dehumidifier discharge air, so as to mitigate the raising of environment temperature, structure
Simply, good environmental protection, and more comfortable experience can be brought to people.
Description of the drawings
Fig. 1 is existing refrigeration-type dehumidifier structure principle chart；
Fig. 2 is the front view of the dehumidifier of the present invention；
Fig. 3 is the rear view of the dehumidifier of the present invention；
Fig. 4 is the internal structure schematic diagram of the dehumidifier of the present invention；
Fig. 5 is the structure diagram of the dehumidifier condensate water collecting part of the present invention；
In figure, casing 1, attaching plug 2, evaporator 3, cooling fins 4, condenser 5, fan 6, motor 7, expansion valve 8,
First pipe 9, second pipe 10, third pipeline 11, compressor 12, heat conducting pipe 13, metal supporting plate 14, water tank 15, sink 16.
Specific embodiment
Below according to attached drawing and the preferred embodiment detailed description present invention, the objects and effects of the present invention will become brighter
In vain, below in conjunction with drawings and examples, the present invention will be described in further detail.It is it should be appreciated that described herein specific
Embodiment is only used to explain the present invention, is not intended to limit the present invention.
As shown in Figure 2-5, a kind of dehumidifier that environment Wen Sheng is reduced using condensed water, including casing 1 and mounted on machine
Evaporator 3, cooling fins 4, condenser 5, fan 6, motor 7, expansion valve 8, first pipe 9, second pipe inside shell 1
10th, third pipeline 11, compressor 12, heat conducting pipe 13, metal supporting plate 14, water tank 15, sink 16,1 upper front of dehumidifier case
Rectangle air inlet is provided with, back side is provided with rectangular air outlet, and back side is provided with rectangular air outlet, sees Fig. 3,4.Attaching plug
2 draw out of casing, for powering to dehumidifier.1 lower inside of casing is equipped with compressor 12 and water tank 15, metal supporting plate 14
The bottom surface of casing 1 is placed on, water tank 15 is placed on metal supporting plate 14, the condensation that water tank 15 flows down for splendid attire from sink 16
Water, 1 side lower of casing have opening, and water tank 15 can be pulled out from cabinet sides, pour after expiring for water.
1 inner upper of casing is sequentially installed with evaporator 3, condenser 5, fan 6, motor 7, cooling fins from front to back
4.12 outlet conduit 11 of compressor connects 5 import of condenser, and the outlet of condenser 5 connection expansion valve 8, the outlet of expansion valve 8 passes through pipe
Road 9 connects 3 import of evaporator, and the outlet of evaporator 3 passes through 10 connect compressor of pipeline, 12 import.
It is run by compressor 12, discharge high temperature and high pressure gaseous refrigerant enters condenser 5, and refrigerant is in condenser 5
Simultaneously heat release is condensed, is changed into high temperature and pressure liquid refrigerant, is changed into low-temp low-pressure liquid after 8 throttling of expansion valve processing later
State refrigerant later into 3 evaporation endothermic of evaporator, is changed into low-temp low-pressure gaseous refrigerant, later into compressor 12 after
Continuous cycle.It is run by compressor 12 so that 3 temperature of evaporator is low, and 5 temperature of condenser is high.
Fan 6 is connect with motor 7, is rotated by motor 7 and fan 6 is driven to rotate, and makes air from 1 front air inlet of casing
Mouth sucking, is discharged from back side air outlet.Vapor condenses when air flows through cryogenic vaporizer 3, the low temperature cold condensate of generation
It is precipitated on the fin of evaporator 3 first, as condensing drip becomes larger, condensed water flow down, and by just under the effect of gravity
The sink 16 that casing is fixed in lower section is collected, and sees Fig. 5, and the discharge outlet that the water in sink 16 then passes through below flows into water tank 15
In, complete the collection of condensed water.Since condensed water is precipitated from evaporator 3, fully exchanges heat, cause cold with 3 fin of evaporator
Condensate temperature is relatively low.
The bottom plate of water tank 15 is made of the preferable material of the thermal conductivity such as aluminium alloy.As shown in figure 5, water tank 15 is positioned over gold
Belong on supporting plate 14, metal supporting plate 14 is fixed on 1 bottom of casing, and metal supporting plate 14 is connected with heat conducting pipe 13, heat conducting pipe 13 other one
End is fixedly connected with cooling fins 4.Since condensate temperature is relatively low, pass through heat transfer so that bottom plate, the metal supporting plate 14 of water tank 15
Temperature is relatively low, passes through the heat transfer process of heat conducting pipe 13 so that the temperature of cooling fins 4 is also below environment temperature.
Air flows through warm condenser 5 after the drying of cryogenic vaporizer 3, according to law of conservation of energy, flows through condenser 5
Air themperature afterwards is higher than environment temperature.Under 6 operating of fan effect, air continues flow through cooling fins 4, due to air themperature
It higher than 4 temperature of cooling fins, exchanges heat between air and cooling fins 4, cooling fins 4 absorb heat in air, and pass through heat
Pipe 13, metal supporting plate 14 are transferred to the low temperature cold condensate in water tank 15, to achieve the purpose that cooling air.It is cold through cooling fins 4
But air after by 1 back side discharge machine of casing outside.
Claims (6)
1. a kind of dehumidifier that environment Wen Sheng is reduced using condensed water, which is characterized in that the dehumidifier includes casing (1) and peace
Mounted in the internal evaporator (3) of casing (1), cooling fins (4), condenser (5), fan (6), motor (7), expansion valve (8),
First pipe (9), second pipe (10), third pipeline (11), compressor (12), heat conducting pipe (13), supporting plate (14), water tank
(15), sink (16), the front setting air inlet of the casing (1), the back side setting air outlet of the casing (1)；
The compressor (12) and water tank (15) is arranged side by side in the lower part in the casing (1), the supporting plate (14)
The bottom surface of the casing (1) is placed on, the water tank (15) is placed on the supporting plate (14), the evaporator
(3), condenser (5), fan (6), motor (7) and cooling fins (4) are sequentially arranged in from front to back in the casing (1)
Top；
The condenser (5) is connected, and institute with the evaporator (3) by the first pipe (9) with expansion valve (8)
The expansion valve (8) stated is mounted on the outlet of the condenser (5), outlet and the compressor of the evaporator (3)
(12) entrance is connected by the second pipe (10), and the bottom end setting sink (16) of the evaporator (3), described
The outlet of compressor (12) connected with the entrance of the condenser (5) by third pipeline (11)；The fan (6),
Motor (7), cooling fins (4) are fixedly connected sequentially, and the cooling fins (4) are fixed on the one of the heat conducting pipe (13)
End, the other end of the heat conducting pipe (13) are fixedly connected with the supporting plate (14).
2. the dehumidifier according to claim 1 that environment Wen Sheng is reduced using condensed water, which is characterized in that the casing
(1) side lower has opening, and the water tank (15) can be extracted out out of described casing (1).
3. the dehumidifier according to claim 2 that environment Wen Sheng is reduced using condensed water, which is characterized in that the water tank
It is made of aluminium alloy, the supporting plate (14) is metal supporting plate.
4. the dehumidifier that environment Wen Sheng is reduced using condensed water according to any one in claim 1-3, feature are existed
In the sink (16) bottom surface is equipped with opening, and the bottom surface of the opening both sides tilts the angle of setting, facilitates flow
Go out, and the water tank (15) upper opening.
5. the dehumidifier that environment Wen Sheng is reduced using condensed water according to any one in claim 1-4, feature are existed
In dehumidifier further includes attaching plug (2), and the attaching plug (2) is stretched out from the cabinet sides.
6. the dehumidifier according to claim 1 that environment Wen Sheng is reduced using condensed water, which is characterized in that the air inlet
Mouth is arranged on the front upper in the casing (1), and the air outlet is arranged on the back side in the casing (1)
Portion, and air inlet and air outlet are rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711397435.4A CN108167952A (en) | 2017-12-21 | 2017-12-21 | A kind of dehumidifier that environment Wen Sheng is reduced using condensed water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711397435.4A CN108167952A (en) | 2017-12-21 | 2017-12-21 | A kind of dehumidifier that environment Wen Sheng is reduced using condensed water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108167952A true CN108167952A (en) | 2018-06-15 |
Family
ID=62523228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711397435.4A Pending CN108167952A (en) | 2017-12-21 | 2017-12-21 | A kind of dehumidifier that environment Wen Sheng is reduced using condensed water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108167952A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340936A (en) * | 2018-12-06 | 2019-02-15 | 珠海格力电器股份有限公司 | Dehumidification equipment |
| CN110567057A (en) * | 2019-09-04 | 2019-12-13 | 浙江富源制冷设备股份有限公司 | Micro-channel for dehumidifier and manufacturing method thereof |
| CN114072626A (en) * | 2019-05-14 | 2022-02-18 | 基尔堡技术有限责任公司 | Refrigerator moisture removing system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1676623A1 (en) * | 2004-12-28 | 2006-07-05 | Dagobert Girardelli | Apparatus and method for dehumidifying air |
| CN101603712A (en) * | 2009-06-11 | 2009-12-16 | 珠海天济能源科技有限公司 | Dehumidifier |
| CN101676642A (en) * | 2008-09-18 | 2010-03-24 | 乐金电子(天津)电器有限公司 | Water-cooled dehumidifier |
| CN204128094U (en) * | 2014-09-12 | 2015-01-28 | 意阁环境***（上海）有限公司 | A kind of small and exquisite lustration type fresh air dehumidifier |
| CN207702610U (en) * | 2017-12-21 | 2018-08-07 | 中国石油大学(华东) | A kind of cool-down dehumidification device using condensed water |
-
2017
- 2017-12-21 CN CN201711397435.4A patent/CN108167952A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1676623A1 (en) * | 2004-12-28 | 2006-07-05 | Dagobert Girardelli | Apparatus and method for dehumidifying air |
| CN101676642A (en) * | 2008-09-18 | 2010-03-24 | 乐金电子(天津)电器有限公司 | Water-cooled dehumidifier |
| CN101603712A (en) * | 2009-06-11 | 2009-12-16 | 珠海天济能源科技有限公司 | Dehumidifier |
| CN204128094U (en) * | 2014-09-12 | 2015-01-28 | 意阁环境***（上海）有限公司 | A kind of small and exquisite lustration type fresh air dehumidifier |
| CN207702610U (en) * | 2017-12-21 | 2018-08-07 | 中国石油大学(华东) | A kind of cool-down dehumidification device using condensed water |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340936A (en) * | 2018-12-06 | 2019-02-15 | 珠海格力电器股份有限公司 | Dehumidification equipment |
| CN114072626A (en) * | 2019-05-14 | 2022-02-18 | 基尔堡技术有限责任公司 | Refrigerator moisture removing system |
| CN110567057A (en) * | 2019-09-04 | 2019-12-13 | 浙江富源制冷设备股份有限公司 | Micro-channel for dehumidifier and manufacturing method thereof |
| CN110567057B (en) * | 2019-09-04 | 2023-07-11 | 浙江富源制冷设备股份有限公司 | Microchannel for dehumidifier and manufacturing method thereof |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 266580 No. 66 Changjiang West Road, Huangdao District, Qingdao, Shandong. Applicant after: CHINA University OF PETROLEUM (EAST CHINA) Address before: 257000 north two road, Dongying, Shandong Province, No. 271 Applicant before: CHINA University OF PETROLEUM (EAST CHINA) |
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Application publication date: 20180615 |