CN104747751B - A kind of centrifugal blower solenoid valve block - Google Patents
A kind of centrifugal blower solenoid valve block Download PDFInfo
- Publication number
- CN104747751B CN104747751B CN201510131498.XA CN201510131498A CN104747751B CN 104747751 B CN104747751 B CN 104747751B CN 201510131498 A CN201510131498 A CN 201510131498A CN 104747751 B CN104747751 B CN 104747751B
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- solenoid valve
- diaphragm
- pilot solenoid
- 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.)
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Links
- 239000011120 plywood Substances 0.000 claims description 14
- 238000005276 aerator Methods 0.000 abstract description 8
- 230000005611 electricity Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
- F16K7/17—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being actuated by fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/003—Housing formed from a plurality of the same valve elements
Abstract
The invention discloses a kind of centrifugal blower solenoid valve block, including the first valve body, the second valve body, the 3rd valve body, the first pilot solenoid valve, the second pilot solenoid valve, the 3rd pilot solenoid valve, first valve body, the second valve body and the 3rd valve body are sequentially connected in series setting, first pilot solenoid valve, the second pilot solenoid valve and the 3rd pilot solenoid valve are connected respectively on the first valve body, the second valve body and the 3rd valve body, and corresponding control the first valve body, the second valve body and the 3rd valve body break-make respectively.Centrifugal blower of the present invention realizes the emptying of different flow with solenoid valve block by the series connection of low discharge valve body, the electromagnetic valve of multiple different models need not be designed, using the corresponding valve body opening and closing of multiple diaphragm Parallel Control, even if one of diaphragm unit damages, other valve bodies also can work on, it is to avoid what aerator was subject to because of surge damages.
Description
Technical field：
The present invention relates to a kind of solenoid valve block, particularly to a kind of centrifugal blower that can apply in cfentrifugal blower
Use solenoid valve block.
Background technology：
Cfentrifugal blower is widely used in ventilation and the dust discharge of factory, mine, tunnel and building, is a kind of consumption
Electricity generator tool energy, thus improve gas pressure supply gas side by side the fluid machinery of body.The startup and shutdown of cfentrifugal blower
Process need control electromagnetic valve be vented.
Cfentrifugal blower needs in startup and shutdown to control electromagnetic valve to be vented, on existing cfentrifugal blower
Electromagnetic valve emptying flow is limited, and the aerator for different flow needs design without the electromagnetic valve of model.
Electromagnetic valve on existing cfentrifugal blower is most to adopt single-iris electromagnetic valve, and electromagnetic valve single-iris emptying flow
Limited, once and diaphragm is impaired, electromagnetic valve will be closed and cannot be vented, aerator occur surge phenomenon, shorten aerator use
Life-span.
Therefore, it is necessory to improve prior art to solve the deficiency of prior art.
Content of the invention：
The present invention is to solve the problems, such as that above-mentioned prior art provides a kind of centrifugal blower solenoid valve block.
The technical solution adopted in the present invention has：A kind of centrifugal blower solenoid valve block, it includes the first valve body, the second valve
Body, the 3rd valve body, the first pilot solenoid valve, the second pilot solenoid valve, the 3rd pilot solenoid valve, described first valve body, the second valve
Body and the 3rd valve body are sequentially connected in series setting, and described first pilot solenoid valve, the second pilot solenoid valve and the 3rd pilot solenoid valve divide
Dui Ying not be connected on the first valve body, the second valve body and the 3rd valve body, and corresponding respectively control the first valve body, the second valve body and the
Three valve body break-makes.
Further, described first valve body, the second valve body and the 3rd valve body are equipped with inlet chamber, upper port, lower port,
Outlet chamber, bonnet, bottom flange, upper diaphragm assembly and lower diaphragm unit, the inlet chamber on described first, second, third valve body
Correspond to through first, second, third valve body respectively, described outlet chamber is arranged on air inlet intracavity, and the upper and lower port of outlet chamber
Connect with upper port and lower port respectively, described upper diaphragm assembly and lower diaphragm unit are pressed together on the upper and lower side of outlet chamber respectively
Mouth, bonnet, and bottom flange cover respectively in upper port and lower port, described first pilot solenoid valve, the second pilot solenoid valve
It is connected respectively the bonnet, on the bonnet, and bottom flange in the first valve body, in the second valve body with the 3rd pilot solenoid valve
On the bonnet, and bottom flange on bottom flange, in the 3rd valve body, and corresponding control the first valve body, the second valve body and the 3rd respectively
Upper diaphragm assembly in valve body and lower diaphragm unit move up and down.
Further, the outlet chamber in described first valve body, the second valve body and the 3rd valve body is mutually communicated, described first valve
Inlet chamber in body, the second valve body and the 3rd valve body is mutually communicated.
Further, described upper diaphragm assembly includes the first top plate, the first lower plywood, the first screw and primary diaphragm,
Described primary diaphragm is fixed between the first top plate and the first lower plywood by the first screw, and described primary diaphragm outward flange is solid
It is scheduled on the junction of bonnet, and upper port.
Further, described lower diaphragm unit includes the second top plate, the second lower plywood, the second screw and secondary diaphragm,
Described secondary diaphragm is fixed between the second top plate and the second lower plywood by the second screw, and described secondary diaphragm outward flange is solid
It is scheduled on the junction of bottom flange and lower port.
The present invention has the advantages that：
(1) centrifugal blower of the present invention realizes the emptying of different flow with solenoid valve block by the series connection of low discharge valve body,
The electromagnetic valve of multiple different models need not be designed；
(2) centrifugal blower solenoid valve block of the present invention controls corresponding valve body opening and closing respectively using multiple diaphragms, even if wherein
One diaphragm unit damages, and other valve bodies also can work on, it is to avoid what aerator was subject to because of surge damages；
(3) the distribution when present invention can achieve the emptying of aerator big flow closes solenoid valve block, when preventing gas quick closedown
The infringement that the impact of aerator and pipeline is caused；
(4) present configuration is simple, is easy to load and unload.
Brief description：
Fig. 1 is the front view of centrifugal blower solenoid valve block of the present invention.
Fig. 2 is the sectional view of Fig. 1 A-A along the line.
Fig. 3 is the sectional view of Fig. 2 C-C along the line.
Fig. 4 is the sectional view of Fig. 1 B-B along the line.
Fig. 5 is the structural representation of upper diaphragm assembly in the present invention.
Fig. 6 is the structural representation of lower diaphragm unit in the present invention.
Wherein：
1- first valve body；2- second valve body；3- the 3rd valve body；4- first pilot solenoid valve；5- second pilot solenoid valve；6-
3rd pilot solenoid valve；11- inlet chamber；12- outlet chamber；13- bonnet,；14- bottom flange；15- upper diaphragm assembly；16- lower film
Piece assembly；101- upper port；102- lower port；150- first top plate；151- first lower plywood；152- primary diaphragm；153-
First screw；160- second top plate；161- second lower plywood；162- secondary diaphragm；163- second screw；I-inlet end；Ⅱ-
Outlet side.
Specific embodiment：
The present invention is further illustrated below in conjunction with the accompanying drawings.
Refer to shown in Fig. 1 to Fig. 4, a kind of present invention centrifugal blower solenoid valve block, including the first valve body 1, the second valve
Body 2, the 3rd valve body 3, the first pilot solenoid valve 4, the second pilot solenoid valve 5, the 3rd pilot solenoid valve 6, the first valve body 1, second
Valve body 2 and the 3rd valve body 3 are sequentially connected in series setting, the first pilot solenoid valve 4, the second pilot solenoid valve 5 and the 3rd pilot solenoid valve 6
It is connected respectively on the first valve body 1, the second valve body 2 and the 3rd valve body 3, and corresponding control the first valve body 1, the second valve respectively
Body 2 and the 3rd valve body 3 break-make.
First valve body 1 is provided with inlet chamber 11, upper port 101, lower port 102, outlet chamber 12, bonnet, 13, bottom flange
14th, upper diaphragm assembly 15 and lower diaphragm unit 16, inlet chamber 11 is arranged on inlet chamber 11 through the first valve body 1, outlet chamber 12
Interior (as Fig. 2 position), the upper and lower port of outlet chamber 12 is connected with the upper port 101 of the first valve body 1 and lower port 102 respectively,
Upper diaphragm assembly 15 and lower diaphragm unit 16 are pressed together on the upper and lower port of outlet chamber 12 respectively, and bonnet, 13 and bottom flange 14 are respectively
Cover in the upper port 101 and lower port 102 of the first valve body 1, two the first pilot solenoid valves 4 are connected to bonnet, 13
On bottom flange 14, and corresponding control upper diaphragm assembly 15 and lower diaphragm unit 16 move up and down in the first valve body 1.When first
During two the first pilot solenoid valve 4 dead electricity in valve body 1, the cavity internal pressure of valve gap up and down of the first valve body 1 is zero, now first
Gas pressure in valve body 1 corresponds to respectively by the upper diaphragm assembly 15 being pressed together on outlet chamber 12 upper and lower port and lower diaphragm unit
16 jack-up simultaneously, now the communicating of inlet chamber 11 and outlet chamber 12 in the first valve body 1.The present invention is so that first valve body 1
Outlet chamber 12 is connected with outlet chamber 12 on the second valve body 2, is provided with logical on the left and right sides wall of the outlet chamber 12 of the first valve body 1
Through hole on hole, wherein left side wall is connected with outlet side II.
Second valve body 2 is provided with inlet chamber 11, upper port 101, lower port 102, outlet chamber 12, bonnet, 13, bottom flange
14th, upper diaphragm assembly 15 and lower diaphragm unit 16, the installation site of each assembly and each assembly on the first valve body 1 on the second valve body 2
Installation site identical.The present invention so that the second valve body 2 outlet chamber 12 respectively with the first valve body 1 and the 3rd valve body 3 on
Outlet chamber 12 connects, and is respectively equipped with through hole on the left and right sides wall of the outlet chamber 12 of the second valve body 2, the going out of the second valve body 2
The through hole on left side wall in air cavity 12 is connected with the through hole on the right side wall in the outlet chamber 12 of the first valve body 1, then makes
Obtain the first valve body 1 to connect with the outlet chamber 12 of the second valve body 2.Inlet chamber in the inlet chamber of the first valve body 1 and the second valve body 2
Connect.Two the second pilot solenoid valves 5 are connected respectively on bonnet, 13 and bottom flange 14, and corresponding control the second valve
Upper diaphragm assembly 15 in body 2 and lower diaphragm unit 16 move up and down in the second valve body 2.When two in the second valve body 2
During two pilot solenoid valve 5 dead electricity, the cavity internal pressure of valve gap up and down of the second valve body 2 is zero, now the gas pressure in the second valve body 2
Power corresponds to respectively by the upper diaphragm assembly 15 being pressed together on outlet chamber 12 upper and lower port and lower diaphragm unit 16 jack-up simultaneously, now
In second valve body 2, inlet chamber 11 and outlet chamber 12 communicates.
3rd valve body 3 is provided with inlet chamber 11, upper port 101, lower port 102, outlet chamber 12, bonnet, 13, bottom flange
14th, upper diaphragm assembly 15 and lower diaphragm unit 16, the installation site of each assembly and each assembly on the first valve body 1 on the 3rd valve body 3
Installation site identical.The present invention so that the outlet chamber 12 of the 3rd valve body 3 is connected with the outlet chamber 12 of the second valve body 2,
Through hole is provided with the left side wall of the 3rd valve body 3, the 3rd valve body 3 passes through the right side in this through hole and the outlet chamber 12 of the second valve body 2
Through hole on the wall of side is connected so that the 3rd valve body 3 is connected with the outlet chamber 12 of the second valve body 22.The air inlet of the 3rd valve body 3
Chamber is connected with the inlet chamber of the second valve body.When two the 3rd pilot solenoid valve 6 dead electricity in the 3rd valve body 3, the 3rd valve body 3
The cavity internal pressure of valve gap up and down be zero, now correspondence will be pressed together on outlet chamber 12 gas pressure in the 3rd valve body 3 respectively
Upper diaphragm assembly 15 in lower port and lower diaphragm unit 16 jack-up simultaneously, now inlet chamber 11 and outlet chamber in the 3rd valve body 3
12 communicate.
Refer to shown in Fig. 5, the upper diaphragm assembly 15 in the present invention include the first top plate 150, the first lower plywood 151,
First screw 153 and primary diaphragm 152, primary diaphragm 152 is fixed on the first top plate 150 and first by the first screw 153
Between lower plywood 151.In the present invention, primary diaphragm 152 outward flange is fixed on the junction of bonnet, 13 and upper port 101.
Refer to shown in Fig. 6, in the present invention lower diaphragm unit 16 include the second top plate 160, the second lower plywood 161, the
Two screws 163 and secondary diaphragm 162, described secondary diaphragm 162 is fixed on the second top plate 160 and by the second screw 163
Between two lower plywoods 161, described secondary diaphragm 162 outward flange is fixed on the junction of bottom flange 14 and lower port 102.
In centrifugal blower solenoid valve block of the present invention, I end is inlet end, and II end is outlet side, and gas enters from I end, warp
After solenoid valve block, II end is discharged.When the first pilot solenoid valve 4, the second pilot solenoid valve 5 and the 3rd pilot solenoid valve 6 dead electricity,
In first, second and third valve body, corresponding upper and lower valve gap cavity internal pressure is zero, and now the gas pressure in three valve bodies corresponds to respectively
By the upper diaphragm assembly 15 in first, second and third valve body and lower diaphragm unit 16 jack-up simultaneously, inlet chamber 11 gas empties.When
One pilot solenoid valve 4, the second pilot solenoid valve 5 and the 3rd pilot solenoid valve 6 electric when, in first, second and third valve body corresponding go out
The gas pressure difference of air cavity 12 corresponds to by the upper diaphragm assembly 15 in first, second and third valve body and lower diaphragm unit 16 simultaneously respectively
Pressure, inlet chamber 11 gas stops emptying.
Centrifugal blower of the present invention realizes the emptying of different flow with solenoid valve block by the series connection of low discharge valve body, need not
Design the electromagnetic valve of multiple different models, control corresponding valve body opening and closing respectively using multiple diaphragms, even if one of diaphragm group
Part damages, and other valve bodies also can work on, it is to avoid what aerator was subject to because of surge damages.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, some improvement can also be made under the premise without departing from the principles of the invention, these improvement also should be regarded as the present invention's
Protection domain.
Claims (4)
1. a kind of centrifugal blower solenoid valve block it is characterised in that：Including the first valve body (1), the second valve body (2), the 3rd valve body
(3), the first pilot solenoid valve (4), the second pilot solenoid valve (5), the 3rd pilot solenoid valve (6), described first valve body (1),
Two valve bodies (2) and the 3rd valve body (3) are sequentially connected in series setting, described first pilot solenoid valve (4), the second pilot solenoid valve (5) and
3rd pilot solenoid valve (6) is connected respectively on the first valve body (1), the second valve body (2) and the 3rd valve body (3), and respectively
Corresponding control the first valve body (1), the second valve body (2) and the 3rd valve body (3) break-make, described first valve body (1), the second valve body (2)
With inlet chamber (11), upper port (101), lower port (102), outlet chamber (12), bonnet, are equipped with the 3rd valve body (3)
(13), bottom flange (14), upper diaphragm assembly (15) and lower diaphragm unit (16), the air inlet on described first, second, third valve body
Chamber (11) corresponds to respectively through first, second, third valve body, and described outlet chamber (12) is arranged in inlet chamber (11), and goes out
The upper and lower port of air cavity (12) is connected with upper port (101) and lower port (102) respectively, described upper diaphragm assembly (15) and under
Diaphragm unit (16) is pressed together on the upper and lower port of outlet chamber (12) respectively, and bonnet, (13) and bottom flange (14) cover respectively upper
On port (101) and lower port (102), described first pilot solenoid valve (4), the second pilot solenoid valve (5) and the 3rd are first conductive
The quantity of magnet valve (6) is 2, is connected on the bonnet, (13) and bottom flange (14) of respective valve body, is upper diaphragm group
Part (15) and lower diaphragm unit (16) provide pilot pressure respectively, control upper diaphragm assembly (15) and lower diaphragm unit (16) respectively
Move up and down.
2. centrifugal blower solenoid valve block as claimed in claim 1 it is characterised in that：Described first valve body (1), the second valve body
(2) outlet chamber (12) and in the 3rd valve body (3) is mutually communicated, described first valve body (1), the second valve body (2) and the 3rd valve body
(3) inlet chamber (11) in is mutually communicated.
3. centrifugal blower solenoid valve block as claimed in claim 2 it is characterised in that：Described upper diaphragm assembly (15) includes the
One top plate (150), the first lower plywood (151), the first screw (153) and primary diaphragm (152), described primary diaphragm (152)
It is fixed between the first top plate (150) and the first lower plywood (151) by the first screw (153), described primary diaphragm (152)
Outward flange is fixed on the junction of bonnet, (13) and upper port (101).
4. centrifugal blower solenoid valve block as claimed in claim 3 it is characterised in that：Described lower diaphragm unit (16) includes the
Two top plates (160), the second lower plywood (161), the second screw (163) and secondary diaphragm (162), described secondary diaphragm (162)
It is fixed between the second top plate (160) and the second lower plywood (161) by the second screw (163), described secondary diaphragm (162)
Outward flange is fixed on the junction of bottom flange (14) and lower port (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131498.XA CN104747751B (en) | 2015-03-24 | 2015-03-24 | A kind of centrifugal blower solenoid valve block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131498.XA CN104747751B (en) | 2015-03-24 | 2015-03-24 | A kind of centrifugal blower solenoid valve block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104747751A CN104747751A (en) | 2015-07-01 |
| CN104747751B true CN104747751B (en) | 2017-03-01 |
Family
ID=53587857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510131498.XA Active CN104747751B (en) | 2015-03-24 | 2015-03-24 | A kind of centrifugal blower solenoid valve block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104747751B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838436A (en) * | 2017-04-01 | 2017-06-13 | 上海飞赫环境科技有限公司 | A kind of oxygenerator oxygen flux control device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4290450A (en) * | 1979-03-28 | 1981-09-22 | Eaton Corporation | Fluid mixing valve |
| CN102261496A (en) * | 2010-05-28 | 2011-11-30 | 武汉元丰汽车技术发展有限公司 | Combined control valve assembly of central inflation/deflation system of automobile tire |
| CN202215498U (en) * | 2011-08-30 | 2012-05-09 | 南京磁谷科技有限公司 | Low-pressure large-flow vent valve device |
| CN104373633A (en) * | 2013-08-12 | 2015-02-25 | 孝感亚华电子科技有限公司 | Digital-type electric-control gas adjusting valve |
| CN204592390U (en) * | 2015-03-24 | 2015-08-26 | 南京磁谷科技有限公司 | A kind of centrifugal blower solenoid valve group |
-
2015
- 2015-03-24 CN CN201510131498.XA patent/CN104747751B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4290450A (en) * | 1979-03-28 | 1981-09-22 | Eaton Corporation | Fluid mixing valve |
| CN102261496A (en) * | 2010-05-28 | 2011-11-30 | 武汉元丰汽车技术发展有限公司 | Combined control valve assembly of central inflation/deflation system of automobile tire |
| CN202215498U (en) * | 2011-08-30 | 2012-05-09 | 南京磁谷科技有限公司 | Low-pressure large-flow vent valve device |
| CN104373633A (en) * | 2013-08-12 | 2015-02-25 | 孝感亚华电子科技有限公司 | Digital-type electric-control gas adjusting valve |
| CN204592390U (en) * | 2015-03-24 | 2015-08-26 | 南京磁谷科技有限公司 | A kind of centrifugal blower solenoid valve group |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104747751A (en) | 2015-07-01 |
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Denomination of invention: Solenoid valve set for centrifugal fan Effective date of registration: 20171019 Granted publication date: 20170301 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Nanjing CIGU Limited Corporation Registration number: 2017320000042 |
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Denomination of invention: Solenoid valve set for centrifugal fan Effective date of registration: 20180322 Granted publication date: 20170301 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Nanjing CIGU Limited Corporation Registration number: 2018320000031 |
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Date of cancellation: 20190424 Granted publication date: 20170301 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Nanjing CIGU Limited Corporation Registration number: 2018320000031 |
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Denomination of invention: Solenoid valve set for centrifugal fan Effective date of registration: 20190521 Granted publication date: 20170301 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Nanjing CIGU Limited Corporation Registration number: 2019320000238 |
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Address after: No. 99, Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Cigu Technology Co., Ltd Address before: Nine No. 211102 Bamboo Road, Jiangning Development Zone, Nanjing, Jiangsu, 100 Patentee before: NANJING CIGU LIMITED Corp. |
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Date of cancellation: 20200615 Granted publication date: 20170301 Pledgee: Bank of Beijing Limited by Share Ltd. Nanjing branch Pledgor: NANJING CIGU Ltd.,Corp. Registration number: 2019320000238 |
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