CN104747751A - Solenoid valve set for centrifugal fan - Google Patents
Solenoid valve set for centrifugal fan Download PDFInfo
- Publication number
- CN104747751A CN104747751A CN201510131498.XA CN201510131498A CN104747751A CN 104747751 A CN104747751 A CN 104747751A CN 201510131498 A CN201510131498 A CN 201510131498A CN 104747751 A CN104747751 A CN 104747751A
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- CN
- China
- Prior art keywords
- valve body
- valve
- solenoid valve
- diaphragm
- pilot
- 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
- 239000011120 plywood Substances 0.000 claims description 14
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect 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
- 238000004904 shortening 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
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- 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 solenoid valve set for a centrifugal fan. The solenoid valve set comprises a first valve body, a second valve body, a third valve body, first pilot-operated solenoid valves, second pilot-operated solenoid valves and third pilot-operated solenoid valves. The first valve body, the second valve body and the third valve body are sequentially connected in series. The first pilot-operated solenoid valves, the second pilot-operated solenoid valves and the third pilot-operated solenoid valves are correspondingly connected to the first valve body, the second valve body and the third valve body respectively to correspondingly control switch-on and switch-off of the first valve body, the second valve body and the third valve body respectively. According to the solenoid valve set for the centrifugal fan, emptying of different flow is achieved by connecting the valve bodies of the small flow in series, multiple solenoid valves of different types do not need to be designed, a plurality of diaphragms are connected in parallel to control the corresponding valve bodies to be opened and closed, even if one of diaphragm assemblies is damaged, other valve bodies can work continuously as well, and damage, caused by surge, of an air blower is avoided.
Description
Technical field:
The present invention relates to a kind of solenoid valve group, particularly a kind of centrifugal blower solenoid valve group that can be applied in centrifugal blower.
Background technique:
Centrifugal blower is widely used in factory, mine, the ventilation of tunnel and building and dust discharge, is a kind ofly to consume electricity generator tool energy, thus improves gas pressure and to supply gas side by side the fluid machinery of body.The process need Controlling solenoid valve of the startup and shutdown of centrifugal blower carries out emptying.
Centrifugal blower needs Controlling solenoid valve to carry out emptying when startup and shutdown, the solenoid valve emptying flow on existing centrifugal blower is limited, and the blower for different flow needs design without the solenoid valve of model.
Solenoid valve majority on existing centrifugal blower adopts single-iris solenoid valve, and solenoid valve single-iris emptying flow is limited, and once diaphragm is impaired, and solenoid valve will be closed cannot emptying, blower generation surging phenomenon, shortening blower working life.
Therefore, necessary the deficiency solving prior art is improved to prior art.
Summary of the invention:
The present invention provides a kind of centrifugal blower solenoid valve group to solve above-mentioned prior art Problems existing.
The technical solution adopted in the present invention has: a kind of centrifugal blower solenoid valve group, it comprises 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 arranged in series successively, described 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 correspondence controls the first valve body, the second valve body and the 3rd valve body break-make respectively.
Further, described first valve body, second valve body and the 3rd valve body are equipped with air-inlet cavity, upper end-hole, lower end mouth, outlet chamber, bonnet, bottom flange, upper diaphragm assembly and lower diaphragm unit, described first, second, air-inlet cavity on 3rd valve body is corresponding to first respectively, second, 3rd valve body, described outlet chamber is arranged in air-inlet cavity, and the upper and lower port of outlet chamber connects with upper end-hole and lower end mouth respectively, described upper diaphragm assembly and lower diaphragm unit are pressed together on the upper and lower port of outlet chamber respectively, bonnet and bottom flange cover respectively in upper end-hole and lower end mouth, described first pilot solenoid valve, second pilot solenoid valve and the 3rd pilot solenoid valve are connected respectively on bonnet in the first valve body and bottom flange, on bonnet in second valve body and bottom flange, on bonnet in 3rd valve body and bottom flange, and correspondence controls the first valve body respectively, upper diaphragm assembly in second valve body and the 3rd 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 through, and the air-inlet cavity in described first valve body, the second valve body and the 3rd valve body is mutually through.
Further, described upper diaphragm assembly comprises 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 edge is fixed on the junction of bonnet and upper end-hole.
Further, described lower diaphragm unit comprises 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 edge is fixed on the junction of bottom flange and lower end mouth.
The present invention has following beneficial effect:
(1) centrifugal blower solenoid valve group of the present invention realizes the emptying of different flow by the series connection of small flow valve body, without the need to designing the solenoid valve of multiple different model;
(2) centrifugal blower solenoid valve group of the present invention adopts multiple diaphragm to control corresponding valve body opening and closing respectively, even if one of them diaphragm unit damages, other valve bodies also can work on, and avoid the infringement that blower is subject to because of surge;
(3) distribution shut electromagnetic valve group when the present invention can realize the emptying of blower large discharge, infringement when preventing gas quick closedown, the impact of blower and pipeline caused;
(4) structure of the present invention is simple, is convenient to handling.
Accompanying drawing illustrates:
Fig. 1 is the plan view of centrifugal blower solenoid valve group 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-the 3rd pilot solenoid valve; 11-air-inlet cavity; 12-outlet chamber; 13-bonnet; 14-bottom flange; 15-upper diaphragm assembly; Diaphragm unit under 16-; 101-upper end-hole; 102-lower end mouth; 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.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Please refer to shown in Fig. 1 to Fig. 4, a kind of centrifugal blower solenoid valve group of the present invention, comprise the first valve body 1, second valve body 2, the 3rd valve body 3, first pilot solenoid valve 4, second pilot solenoid valve 5, the 3rd pilot solenoid valve 6, first valve body 1, second valve body 2 and the 3rd valve body 3 are arranged in series successively, first pilot solenoid valve 4, second pilot solenoid valve 5 and the 3rd pilot solenoid valve 6 are connected respectively on the first valve body 1, second valve body 2 and the 3rd valve body 3, and correspondence controls the first valve body 1, second valve body 2 and the 3rd valve body 3 break-make respectively.
First valve body 1 is provided with air-inlet cavity 11, upper end-hole 101, lower end mouth 102, outlet chamber 12, bonnet 13, bottom flange 14, upper diaphragm assembly 15 and lower diaphragm unit 16, air-inlet cavity 11 is through the first valve body 1, outlet chamber 12 is arranged in air-inlet cavity 11 (as Fig. 2 position), the upper and lower port of outlet chamber 12 connects with the upper end-hole 101 of the first valve body 1 and lower end mouth 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, bonnet 13 and bottom flange 14 cover respectively in the upper end-hole 101 and lower end mouth 102 of the first valve body 1, two the first pilot solenoid valves 4 are connected on bonnet 13 and 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 two the first pilot solenoid valve 4 dead electricity in the first valve body 1, the cavity internal pressure of valve gap up and down of the first valve body 1 is zero, gas pressure now in the first valve body 1 is corresponding to the upper diaphragm assembly 15 that is pressed together on outlet chamber 12 upper and lower port and lower diaphragm unit 16 jack-up simultaneously respectively, now the communicating of air-inlet cavity 11 and outlet chamber 12 in the first valve body 1.The present invention connects to make outlet chamber 12 on the outlet chamber 12 of the first valve body 1 and the second valve body 2, and the left and right sides wall of the outlet chamber 12 of the first valve body 1 is provided with through hole, and the through hole wherein on left side wall and outlet side II connect.
The mounting point that second valve body 2 is provided with each assembly on air-inlet cavity 11, upper end-hole 101, lower end mouth 102, outlet chamber 12, bonnet 13, bottom flange 14, upper diaphragm assembly 15 and lower diaphragm unit 16, second valve body 2 is identical with the mounting point of each assembly on the first valve body 1.The present invention connects with outlet chamber 12 on the first valve body 1 and the 3rd valve body 3 respectively in order to make the outlet chamber 12 of the second valve body 2, the left and right sides wall of the outlet chamber 12 of the second valve body 2 is respectively equipped with through hole, through hole on left side wall in the outlet chamber 12 of the second valve body 2 is connected with the through hole on the right side wall in the outlet chamber 12 of the first valve body 1, then makes the outlet chamber 12 of the first valve body 1 and the second valve body 2 connect.Air-inlet cavity in the air-inlet cavity of the first valve body 1 and the second valve body 2 connects.Two the second pilot solenoid valves 5 are connected respectively on bonnet 13 and bottom flange 14, and corresponding control upper diaphragm assembly 15 in the second valve body 2 and lower diaphragm unit 16 moves up and down in the second valve body 2.When two the second pilot solenoid valve 5 dead electricity in the second valve body 2, the cavity internal pressure of valve gap up and down of the second valve body 2 is zero, gas pressure now in the second valve body 2 is corresponding to the upper diaphragm assembly 15 that is pressed together on outlet chamber 12 upper and lower port and lower diaphragm unit 16 jack-up simultaneously respectively, now the communicating of air-inlet cavity 11 and outlet chamber 12 in the second valve body 2.
The mounting point that 3rd valve body 3 is provided with each assembly on air-inlet cavity 11, upper end-hole 101, lower end mouth 102, outlet chamber 12, bonnet 13, bottom flange 14, upper diaphragm assembly 15 and lower diaphragm unit the 16, three valve body 3 is identical with the mounting point of each assembly on the first valve body 1.The present invention connects in order to the outlet chamber 12 of the outlet chamber 12 and the second valve body 2 that make the 3rd valve body 3, the left side wall of the 3rd valve body 3 is provided with through hole, 3rd valve body 3 is connected with the through hole on the right side wall in the outlet chamber 12 of the second valve body 2 by this through hole, and the outlet chamber 12 of the 3rd valve body 3 and the second valve body 22 is connected.The air-inlet cavity of the 3rd valve body 3 and the air-inlet cavity of the second valve body connect.When the 3rd pilot solenoid valve 6 dead electricity of two in the 3rd valve body 3, the cavity internal pressure of valve gap up and down of the 3rd valve body 3 is zero, gas pressure now in the 3rd valve body 3 is corresponding to the upper diaphragm assembly 15 that is pressed together on outlet chamber 12 upper and lower port and lower diaphragm unit 16 jack-up simultaneously respectively, now the communicating of air-inlet cavity 11 and outlet chamber 12 in the 3rd valve body 3.
Please refer to shown in Fig. 5, upper diaphragm assembly 15 in the present invention comprises the first top plate 150, first lower plywood 151, first screw 153 and primary diaphragm 152, and primary diaphragm 152 is fixed between the first top plate 150 and the first lower plywood 151 by the first screw 153.In the present invention, primary diaphragm 152 outward edge is fixed on the junction of bonnet 13 and upper end-hole 101.
Please refer to shown in Fig. 6, in the present invention, lower diaphragm unit 16 comprises the second top plate 160, second lower plywood 161, second screw 163 and secondary diaphragm 162, described secondary diaphragm 162 is fixed between the second top plate 160 and the second lower plywood 161 by the second screw 163, and described secondary diaphragm 162 outward edge is fixed on the junction of bottom flange 14 and lower end mouth 102.
In centrifugal blower solenoid valve group of the present invention, I end is inlet end, and II end is outlet side, and gas enters from I end, and after solenoid valve group, II end is discharged.When the first pilot solenoid valve 4, second pilot solenoid valve 5 and the 3rd pilot solenoid valve 6 dead electricity, the cavity internal pressure of valve gap up and down corresponding in first, second and third valve body is zero, gas pressure now in three valve bodies is corresponding to the upper diaphragm assembly 15 in first, second and third valve body and lower diaphragm unit 16 jack-up simultaneously respectively, air-inlet cavity 11 evacuate air.When the first pilot solenoid valve 4, second pilot solenoid valve 5 and the 3rd pilot solenoid valve 6 obtain electric, the gas pressure difference of outlet chamber 12 corresponding in first, second and third valve body is corresponding respectively to be depressed the upper diaphragm assembly 15 in first, second and third valve body and lower diaphragm unit 16 simultaneously, and air-inlet cavity 11 gas stops emptying.
Centrifugal blower solenoid valve group of the present invention realizes the emptying of different flow by the series connection of small flow valve body, without the need to designing the solenoid valve of multiple different model, multiple diaphragm is adopted to control corresponding valve body opening and closing respectively, even if one of them diaphragm unit damages, other valve bodies also can work on, and avoid the infringement that blower is subject to because of surge.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, can also make some improvement under the premise without departing from the principles of the invention, and these improvement also should be considered as protection scope of the present invention.
Claims (5)
1. a centrifugal blower solenoid valve group, it is characterized in that: comprise the first valve body (1), second valve body (2), 3rd valve body (3), first pilot solenoid valve (4), second pilot solenoid valve (5), 3rd pilot solenoid valve (6), described first valve body (1), second valve body (2) and the 3rd valve body (3) are arranged in series successively, described first pilot solenoid valve (4), second pilot solenoid valve (5) and the 3rd pilot solenoid valve (6) are connected respectively in the first valve body (1), on second valve body (2) and the 3rd valve body (3), and corresponding control the first valve body (1) respectively, second valve body (2) and the 3rd valve body (3) break-make.
2. centrifugal blower solenoid valve group as claimed in claim 1, it is characterized in that: described first valve body (1), second valve body (2) and the 3rd valve body (3) are equipped with air-inlet cavity (11), upper end-hole (101), lower end mouth (102), outlet chamber (12), bonnet (13), bottom flange (14), upper diaphragm assembly (15) and lower diaphragm unit (16), described first, second, air-inlet cavity (11) on 3rd valve body is corresponding to first respectively, second, 3rd valve body, described outlet chamber (12) is arranged in air-inlet cavity (11), and the upper and lower port of outlet chamber (12) connects with upper end-hole (101) and lower end mouth (102) respectively, described upper diaphragm assembly (15) and lower diaphragm unit (16) are pressed together on the upper and lower port of outlet chamber (12) respectively, bonnet (13) and bottom flange (14) cover respectively in upper end-hole (101) and lower end mouth (102), described first pilot solenoid valve (4), second pilot solenoid valve (5) and the 3rd pilot solenoid valve (6) are connected respectively on bonnet (13) in the first valve body (1) and bottom flange (14), on bonnet (13) in second valve body (2) and bottom flange (14), on bonnet (13) in 3rd valve body (3) and bottom flange (14), and corresponding control the first valve body (1) respectively, upper diaphragm assembly (15) in second valve body (2) and the 3rd valve body (3) and lower diaphragm unit (16) move up and down.
3. centrifugal blower solenoid valve group as claimed in claim 2, it is characterized in that: the outlet chamber (12) in described first valve body (1), the second valve body (2) and the 3rd valve body (3) is mutually through, the air-inlet cavity (11) in described first valve body (1), the second valve body (2) and the 3rd valve body (3) is mutually through.
4. centrifugal blower solenoid valve group as claimed in claim 3, it is characterized in that: described upper diaphragm assembly (15) comprises the first top plate (150), the first lower plywood (151), the first screw (153) and primary diaphragm (152), described primary diaphragm (152) is fixed between the first top plate (150) and the first lower plywood (151) by the first screw (153), and described primary diaphragm (152) outward edge is fixed on the junction of bonnet (13) and upper end-hole (101).
5. centrifugal blower solenoid valve group as claimed in claim 4, it is characterized in that: described lower diaphragm unit (16) comprises the second top plate (160), the second lower plywood (161), the second screw (163) and secondary diaphragm (162), described secondary diaphragm (162) is fixed between the second top plate (160) and the second lower plywood (161) by the second screw (163), and described secondary diaphragm (162) outward edge is fixed on the junction of bottom flange (14) and lower end mouth (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 true CN104747751A (en) | 2015-07-01 |
| CN104747751B 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) |
Cited By (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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104747751B (en) | 2017-03-01 |
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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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Date of cancellation: 20180302 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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