CN101288817A - Novel dynamic physical shielding purifier, production method and special fixture - Google Patents
Novel dynamic physical shielding purifier, production method and special fixture Download PDFInfo
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- CN101288817A CN101288817A CNA2008100670718A CN200810067071A CN101288817A CN 101288817 A CN101288817 A CN 101288817A CN A2008100670718 A CNA2008100670718 A CN A2008100670718A CN 200810067071 A CN200810067071 A CN 200810067071A CN 101288817 A CN101288817 A CN 101288817A
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- spoke
- clamping fixture
- spider
- dynamic physical
- lower clamping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
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Abstract
The invention provides a novel dynamic physical screen purifier and a method and a special clamp used for fabricating the purifier at the same time; the purifier comprises a central disc and a plurality of round spokes which are arranged in a plane; one ends of the spokes are fixedly connected on the central disc in a radial radiation type; the product of the diameter millimetre number of the spoke and the number of the spokes are more than or equal to than 46 and less than or equal to 460; furthermore, the diameter of temperature spoke is not less than 0.3mm. The novel dynamic physical screen purifier has the advantages of simple structure, low fabrication cost and high purification rate.
Description
Technical field
The present invention relates to a kind of parts that are used for dedusting air cleaning device, especially remove the dynamic physical shielding purifier of (containing solid particulate matter and liquid particles thing) of particulate matter in the waste gas with the method for physics; Make the method and the special fixture thereof of clarifier.
Background technology
In the prior art, serve as the dynamic physical shielding purifier on the dedusting air cleaning device at present, two kinds of structures are arranged, a kind of structure is a dynamic physical shielding purifier as shown in Figure 8, it comprises wheel skeleton 100 and wire 110, described wire 110 general employing diameters are steel wire or the alloy silk of 0.1-0.2, be wrapped in described the wheel on the skeleton 100 by certain requirement, the concrete structure of this dynamic physical shielding purifier and winding method can be referring to Chinese patent literature CN200984483Y and Chinese patent literature CN101028575A.The defective of the dynamic physical shielding purifier of this structure is conspicuous, first because this dynamic physical shielding purifier comprises wheel skeleton 100 and wire 110, and wheel skeleton 100 is to make of aluminum alloy materials, its cost is higher, in addition, each is taken turns skeleton 100 and comprises spoke 111 more than 6 at least, and spoke 111 itself can produce windages to the air intakes of air assembly, influence the purifying rate of air assembly; In addition, the wire 110 of this dynamic physical shielding purifier is wrapped on the wheel skeleton 100, owing to wire 110 need be wrapped on the wheel skeleton 100, the diameter of described wire 100 can not be too thick, generally all be the 0.1-0.2 millimeter, otherwise wire 100 diameters too slightly just can't twine; Second because wire 100 is thinner, so the problem that the wire 100 of clarifier is at high temperature loose easily and disconnect can occur, causes the service life of clarifier short; The 3rd be since wire 110 when twining, it can form cross-like on the cylindrical of the center of clarifier and wheel skeleton, oil smoke very easily forms obstruction, not easy cleaning at this two place; The 5th is that so purifying rate is low, weak effect and adaptive surface are narrow because wire 110 is thinner, and its interception probability to the particle in the waste gas is less.
The structure of second kind of dynamic physical shielding purifier of the prior art, as shown in Figure 9, it is that method with punching press radially has groove 200 with a circular plate object along it, make the part between two grooves become spoke 210, a plurality of spokes 210 distribute successively on the periphery of plate object and form, and particular content can be referring to Chinese patent literature CN2901109Y.The subject matter of the dynamic physical shielding purifier of this structure is that purifying rate is very low, and windage is big, and the practical application function is very little.This is that when front 211 was the plane, its windage was big, has reduced the purifying rate of clarifier because front 211 and two side 212 of the spoke 210 of the dynamic physical shielding purifier of this structure are the plane; And its side 212 is the plane, when clarifier rotates at a high speed, side 212 can produce pressure to the waste gas of coming in from positive 211 directions, under the effect of side 212, make waste gas along with the clarifier direction of rotation flows, and the contacted chance of particle in the waste gas and spoke is less, so purifying rate is low.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, low cost of manufacture, novel dynamic physical shielding device that purifying rate is high.
Another goal of the invention of the present invention is: a kind of method of making the novel dynamic physical shielding device is provided.
The 3rd goal of the invention of the present invention is: a kind of special fixture that is used to make the novel dynamic physical shielding device is provided.
Technical scheme of the present invention is: design a kind of novel dynamic physical shielding purifier, comprise spider and several circular spokes that are arranged in the same plane, described spoke one end is on the described spider of being fixed in of radial radiation, the long-pending value of the diameter of described spoke and the radical of spoke satisfies more than or equal to 46, smaller or equal to 460, wherein the diameter of spoke is unit with the millimeter, and the diameter of spoke is more than or equal to 0.3 millimeter.
Described clarifier also comprises a retainer plate, and the described spoke other end is fixed on the described retainer plate.
Described spoke is prefabricated into the U word shape, and its openend is fixed on the described spider.
Described affixed mode is welding, riveted joint or bonding and combination.
A kind of method of making above-mentioned novel dynamic physical shielding purifier comprises the steps:
(1), the round wire of preparing to be used as spoke is stretching, and cut into several isometric spokes by design length;
(2), prefabricated spider is put into the centre bore of lower clamping fixture, and will be set by step the spoke of (1) made be placed in the spoke groove of lower clamping fixture;
(3), cover upper clamping fixture;
(4), with welding machine or seccotine spoke and the spider partial fixing that contacts is connected.
Also comprise the steps: afterwards above-mentioned (2)
(21), retainer plate is placed in the fixedly horse stable groove of lower clamping fixture;
Also comprise the steps: afterwards above-mentioned (4)
(41), with welding machine or seccotine fixedlyed connected with retainer plate in the spoke outer end.
The present invention also provides a kind of method of making the described novel dynamic physical shielding purifier of claim 3, comprises the steps:
(1), the steel wire of preparing to be used as spoke is stretching, and curve the spoke of several u shapes by design length;
(2), prefabricated spider is put into the centre bore of lower clamping fixture, and will be set by step the spoke of (1) made be placed on the spoke groove of lower clamping fixture and fixedly in the ring recess;
(3), cover upper clamping fixture;
(4), with welding machine or seccotine u shape spoke and the spider partial fixing that contacts is connected.
The present invention also provides a kind of special fixture of novel dynamic physical shielding purifier, comprise upper clamping fixture and lower clamping fixture, described lower clamping fixture is provided with the centre bore that matches with the spider diameter, is the spoke groove that equates with spoke quantity of radiant with the center of circle of described centre bore; Described upper clamping fixture covers on described lower clamping fixture.
The outer end of spoke groove also is provided with fixedly ring recess on described lower clamping fixture.
The present invention compares with the dynamic physical shielding purifier that twines with wire, owing to saved the wheel skeleton, so cost is low, and has reduced windage, and has made its structure also become simpler; Since adopted many independent thicker circular spokes (diameter of spoke is more than or equal to 0.3 millimeter), be difficult for disconnecting or damaging, and the maintenance of this clarifier is also very convenient; Because this clarifier spoke need not twine, can not form cross-cutting issue so do not exist on the cylindrical of the center of clarifier and wheel skeleton, waste particulate material can not form obstruction at this two places utmost point, so cleaning is easy; The present invention compares with the tabular clarifier of circle, because spoke of the present invention is circular, so its front and side are curved surface, does not have the problems such as choke of circular tabular clarifier, so its purifying rate height.
Description of drawings
Fig. 1 is the planar structure schematic diagram of an embodiment of the present invention.
Fig. 2 is the planar structure schematic diagram of second kind of embodiment of the present invention.
Fig. 3 is the A-A cross-sectional view of Fig. 2.
Fig. 4 is the planar structure schematic diagram of the third embodiment of the present invention.
Fig. 5 is the planar structure schematic diagram of the lower clamping fixture among the present invention.
Fig. 6 is the structural representation of having put in the lower clamping fixture centre bore shown in Figure 5 behind the spider.
Fig. 7 is the structural representation after putting into spoke on the basis shown in Figure 6 in the spoke groove.
Fig. 8 and Fig. 9 are the planar structure schematic diagrames of existing two kinds of clarifiers.
The specific embodiment
Below in conjunction with accompanying drawing structure of the present invention is elaborated.
See also Fig. 1, it is a kind of novel dynamic physical shielding purifier 1, comprises the spider 12 in tape spool hole 11, and described spider 12 can be stamped to form with the corrosion resistant plate of 1-3 millimeters thick, and the circumference of spider 12 can be established a circle limit, to strengthen the intensity of spider 12.In the front of described spider 12 laser welding method, be welded with 150 diameters and be 1 millimeter the metal spoke 13 that radial radiation is arranged that is.
See also Fig. 2 and Fig. 3, Fig. 2 is the planar structure schematic diagram of second kind of embodiment of the present invention.Fig. 3 is the A-A cross-sectional view of Fig. 2.Present embodiment is compared with embodiment illustrated in fig. 1, its general structure is identical, different is that this clarifier 1 also comprises a retainer plate 14, and the retainer plate 14 in the present embodiment is to be that the outer end of the metal spoke 13 that is made of 1.5 millimeters stainless steel alloy is also had laser welding method to be fixedly connected on the described metal retainer plate 14 with diameter.
See also Fig. 4, Fig. 4 is the planar structure schematic diagram of the third embodiment of the present invention.Embodiment illustrated in fig. 4 and embodiment illustrated in fig. 1 comparing, its general structure is identical, and different is that metal spoke 13 is prefabricated into U word shape spoke 15, and the openend of this U word shape spoke 15 is used laser weld on described spider 12.15 liang of free ends of U word shape spoke shown in Fig. 4 are that at this moment, when calculating the product of spoke diameter and spoke radical, every U word shape spoke 15 is pacified 2 calculating in the same plane of welding spider 12.
Obviously, 15 liang of free ends of described U word shape spoke can be welded on respectively on two side planes of spider 12 and (draw), constitute the structure of double-deck width of cloth bar 13, like this, all are provided with the spoke 13 of as much on the two sides on spider 12.In this case, when calculating the product of spoke diameter and spoke radical, every U word shape spoke 15 is by 1 calculating.
Laser weld among the present invention also can spot welding or gluing other method that waits replace.
Through test, the diameter of spoke 13 of the present invention is preferably disposed between 0.3 to 10 millimeter, and the long-pending value of the radical of the diameter of spoke and spoke is preferably in more than or equal to 46 with smaller or equal in 460 the scope its clean-up effect the best.
The theory and the experimental basis of the spoke diameter among the present invention and the relation of spoke radical are as follows:
The basic function of this clarifier 1 is in motion process, and with the particle in the waste gas of the clarifier 1 of flowing through interception and separate, the particle interception in 1 pair of waste gas of the clarifier of rotation efficient is exactly the particle collision probability K value in clarifier 1 spoke and the waste gas.
And K=(t
Q/ t
W) * 100% (formula one)
In the formula one: t
QIt is the time (second) that waste gas passes through clarifier 1 spoke operation plane;
t
WBe that single spoke is in the required time (second) of the angle of stroke between two adjacent spokes;
t
Q=D
W/ U
Q(second) (formula two)
In the formula two: D
WIt is the diameter (millimeter) of spoke;
U
QIt is the flow velocity (mm/second) of waste gas
t
W=α/U
W(second) (formula three)
In the formula three: α is the angle angle (week) of adjacent two spokes of clarifier 1;
α=1/n (week), wherein n is the radical of the spoke on the clarifier 1 same plane;
U
WBe to drive clarifier 1 motor rotating rotating speed (cycle per second);
With formula two and formula three difference substitution formulas one, draw behind the abbreviation:
K＝(D
W×n×U
W)/U
Q×100％
In the practical application, the rotating speed of drive clarifier 1 motor rotating commonly used has following three kinds, that is: 650 cycle per minutes (10.83 cycle per second); 1300 cycle per minutes (21.67 cycle per second); 2900 cycle per minutes (48.33 cycle per second).
Set K value and be 1 (promptly 100%), when the employing motor speed is 650 cycle per minutes (10.83 cycle per second), the flow velocity of waste gas is controlled in the scope of 500-5000 mm/second, then D
WThe maximum of * n (being the product of spoke diameter millimeter and its radical) is 461, and minimum of a value is 46; Similarly, when adopting motor speed to be 1300 cycle per minutes (21.67 cycle per second), the flow velocity of waste gas is controlled in the scope of 1000-10000 mm/second, then the maximum of DW * n (being the product of spoke diameter and its radical) is 461, and minimum of a value is 46; When adopting motor speed to be 2900 cycle per minutes (48.33 cycle per second), the flow velocity of waste gas is controlled in the scope of 2200-15000 mm/second D
WThe value of * n is also still in 46 to 461 scope.
Therefore, when the product of spoke diameter and its radical was in 46 to 461 scope, the present invention had best clean-up effect.
See also Fig. 5 to Fig. 7.A kind of method of making above-mentioned novel dynamic physical shielding purifier comprises the steps:
(1), the steel wire of preparing to be used as spoke 13 is stretching, and cut into several isometric spokes 13 by design length;
(2), prefabricated spider 12 is put into the centre bore 21 of lower clamping fixture 20, the size of the centre bore 21 of the size of spider 12 and lower clamping fixture 20 matches, and will be set by step the spoke 13 of (1) made be placed in the spoke groove 22 of lower clamping fixture 20, and some contacts by the upper surface of an end of spider 12 and spider 12 to allow spoke 13;
(3), cover the upper clamping fixture (not shown), upper clamping fixture is one and is used for matching with lower clamping fixture, and the mould that the spoke on the lower clamping fixture 20 13 and spider 12 clamped also has a patrix mesopore suitable with lower clamping fixture centre bore 21 at the center of upper clamping fixture;
(4), will expose spoke 13 and spider 12 in the patrix mesopore partial fixing that contacts with laser welder or mash welder or seccotine is connected.
Also comprise the steps: afterwards above-mentioned (2)
(21), retainer plate is placed in the fixedly horse stable groove 23 of lower clamping fixture;
Also comprise the steps: afterwards above-mentioned (4)
(41), with laser welder or mash welder or seccotine fixedlyed connected with retainer plate 23 in spoke 13 outer ends.
If spoke 13 is prefabricated into the structure of U word shape spoke 15, and then the patrix welding, then can adopt following method, comprise the steps:
(1), the steel wire of preparing to be used as spoke 13 is stretching, and curve several U word shape spokes 15 by design length;
(2), prefabricated spider 12 is put into the centre bore 21 of lower clamping fixture 20, and will be set by step the U word shape spoke 15 of (1) made be placed in the spoke groove 22 of lower clamping fixture 20, the stub end of its U word shape spoke 15 is placed on fixedly in the ring recess 23;
(3), cover upper clamping fixture;
(4), with laser welder or mash welder or seccotine U word shape spoke 15 and spider 12 partial fixing that contacts is connected.
The present invention also provides a kind of special fixture of novel dynamic physical shielding purifier, comprise upper clamping fixture 20 and lower clamping fixture, described lower clamping fixture 20 is provided with the centre bore 21 that matches with spider 12 diameters, is the spoke groove 22 that equates with spoke 13 quantity of radiant with the center of circle of described centre bore 21; Described upper clamping fixture covers on described lower clamping fixture 20.The outer end of spoke groove 22 also is provided with fixedly ring recess 23 on described lower clamping fixture 20.
Claims (10)
1, a kind of novel dynamic physical shielding purifier, it is characterized in that: comprise spider and several circular spoke, described spoke one end is on the described spider of being fixed in of radial radiation, the long-pending value that is arranged on the radical of the diameter of the spoke in the same plane and spoke satisfies more than or equal to 46, smaller or equal to 460, during calculating, the diameter of spoke is unit with the millimeter, and the diameter of spoke is more than or equal to 0.3mm.
2, novel dynamic physical shielding purifier according to claim 1 is characterized in that: described clarifier also comprises a retainer plate, and the described spoke other end is fixed on the described retainer plate.
3, novel dynamic physical shielding purifier according to claim 1 is characterized in that: described spoke is the U word shape, is fixed on the described spider.
4, according to claim 1,2 or 3 described novel dynamic physical shielding purifiers, it is characterized in that: described affixed mode for the welding, the casting connect, riveted joint or bonding and the combination.
5, novel dynamic physical shielding purifier according to claim 4 is characterized in that: described spider, spoke and retainer plate are made of acidproof corrosion-resistant material.
6, a kind of method of making the described novel dynamic physical shielding purifier of claim 1 comprises the steps:
(1), the steel wire of preparing to be used as spoke is stretching, and cut into several isometric spokes by design length;
(2), prefabricated spider is put into the centre bore of lower clamping fixture, and will be set by step the spoke of (1) made be placed in the spoke groove of lower clamping fixture;
(3), cover upper clamping fixture;
(4), with welding machine or seccotine spoke and the spider partial fixing that contacts is connected.
7, method according to claim 6 is characterized in that: also comprise the steps: afterwards above-mentioned (2)
(21), retainer plate is placed in the fixedly horse stable groove of lower clamping fixture;
Also comprise the steps: afterwards above-mentioned (4)
(41), with welding machine or seccotine fixedlyed connected with retainer plate in the spoke outer end.
8, a kind of method of making the described novel dynamic physical shielding purifier of claim 3 comprises the steps:
(1), the steel wire of preparing to be used as spoke is stretching, and curve the spoke of several u shapes by design length;
(2), prefabricated spider is put into the centre bore of lower clamping fixture, and will be set by step the spoke of (1) made be placed on the spoke groove of lower clamping fixture and fixedly in the ring recess;
(3), cover upper clamping fixture;
(4), with laser welder or mash welder or seccotine trapezoidal frame spoke and the spider partial fixing that contacts is connected.
9, a kind of special fixture that is used to make the described novel dynamic physical shielding purifier of claim 1, it is characterized in that: comprise upper clamping fixture and lower clamping fixture, described lower clamping fixture is provided with the centre bore that matches with the spider diameter, is the spoke groove that equates with spoke quantity of radiant with the center of circle of described centre bore; Described upper clamping fixture covers on described lower clamping fixture.
10, the special fixture of novel dynamic physical shielding purifier according to claim 9 is characterized in that: the outer end of spoke groove also is provided with fixedly ring recess on described lower clamping fixture.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810067071A CN100591405C (en) | 2008-05-04 | 2008-05-04 | Novel dynamic physical shielding purifier, production method and special fixture |
| PCT/CN2009/000224 WO2009135377A1 (en) | 2008-05-04 | 2009-03-03 | Dynamic physical shielding purifier, and the manufacturing method and dedicated clamp thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810067071A CN100591405C (en) | 2008-05-04 | 2008-05-04 | Novel dynamic physical shielding purifier, production method and special fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101288817A true CN101288817A (en) | 2008-10-22 |
| CN100591405C CN100591405C (en) | 2010-02-24 |
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ID=40033373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810067071A Active CN100591405C (en) | 2008-05-04 | 2008-05-04 | Novel dynamic physical shielding purifier, production method and special fixture |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100591405C (en) |
| WO (1) | WO2009135377A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009135377A1 (en) * | 2008-05-04 | 2009-11-12 | Hu Duanzhi | Dynamic physical shielding purifier, and the manufacturing method and dedicated clamp thereof |
| CN103776072A (en) * | 2012-10-23 | 2014-05-07 | 任立伟 | Dynamic oil smoke purifier and manufacturing method thereof |
| US20170151517A1 (en) * | 2014-07-15 | 2017-06-01 | Duanzhi HU | Method of manufacturing a rotary-type physical shield purifier |
| CN109794102A (en) * | 2019-01-18 | 2019-05-24 | 龙创蓝天(北京)科技有限公司 | A kind of gas purification units |
| CN116392898A (en) * | 2023-03-30 | 2023-07-07 | 深圳市汰洋环保科技有限公司 | Physical interception exhaust gas treatment device and control method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838852A (en) * | 2019-01-31 | 2019-06-04 | 广州朗洁环保有限公司 | Staged air cleaning blocker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19840344C2 (en) * | 1998-09-04 | 2002-04-04 | Hosokawa Alpine Ag & Co | Classifying wheel for a centrifugal air classifier |
| FR2899086B1 (en) * | 2006-04-04 | 2015-04-10 | Gerard Curien | AIR WATER SEPARATOR USED ON A WATER AND DUST VACUUM |
| CN200984483Y (en) * | 2006-12-13 | 2007-12-05 | 胡端志 | Dynamic physics-shielded purifier |
| CN100591405C (en) * | 2008-05-04 | 2010-02-24 | 胡端志 | Novel dynamic physical shielding purifier, production method and special fixture |
| CN201186190Y (en) * | 2008-05-04 | 2009-01-28 | 胡端志 | Novel dynamic physical shielding purifier |
-
2008
- 2008-05-04 CN CN200810067071A patent/CN100591405C/en active Active
-
2009
- 2009-03-03 WO PCT/CN2009/000224 patent/WO2009135377A1/en active Application Filing
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009135377A1 (en) * | 2008-05-04 | 2009-11-12 | Hu Duanzhi | Dynamic physical shielding purifier, and the manufacturing method and dedicated clamp thereof |
| CN103776072A (en) * | 2012-10-23 | 2014-05-07 | 任立伟 | Dynamic oil smoke purifier and manufacturing method thereof |
| CN103776072B (en) * | 2012-10-23 | 2017-04-19 | 中山市康丽净油烟净化科技有限公司 | Dynamic oil smoke purifier and manufacturing method thereof |
| US20170151517A1 (en) * | 2014-07-15 | 2017-06-01 | Duanzhi HU | Method of manufacturing a rotary-type physical shield purifier |
| US10183247B2 (en) * | 2014-07-15 | 2019-01-22 | Duanzhi HU | Method of manufacturing a rotary-type physical shield purifier |
| CN109794102A (en) * | 2019-01-18 | 2019-05-24 | 龙创蓝天(北京)科技有限公司 | A kind of gas purification units |
| CN116392898A (en) * | 2023-03-30 | 2023-07-07 | 深圳市汰洋环保科技有限公司 | Physical interception exhaust gas treatment device and control method |
| CN116392898B (en) * | 2023-03-30 | 2023-10-13 | 深圳市汰洋环保科技有限公司 | Physical interception exhaust gas treatment device and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009135377A1 (en) | 2009-11-12 |
| CN100591405C (en) | 2010-02-24 |
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Assignee: Shenzhen kitchen road air purifying equipment Co., Ltd. Assignor: Hu Duanzhi Contract record no.: 2010440020237 Denomination of invention: Novel dynamic physical shielding purifier, production method and special fixture Granted publication date: 20100224 License type: Exclusive License Open date: 20081022 Record date: 20101228 |
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Owner name: SHENZHEN CHUZHIDAO AIR PURIFICATION EQUIPMENT CO., Free format text: FORMER OWNER: HU DUANZHI Effective date: 20130516 |
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Effective date of registration: 20130516 Address after: Longgang District of Shenzhen City, Guangdong province 518000 Pinghu street community bainikeng linen Road No. 2-1 Baosheng Industrial Zone B 10 floor West Block Patentee after: Shenzhen kitchen road air purifying equipment Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Futian District Huaqiang North Stars Plaza B block, room 705 Patentee before: Hu Duanzhi |
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Address after: 518000 5th Floor, Building B, Jinapple Innovation Park, Ganli Second Road, Jihua Street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Kitchen Road Environmental Technology Co., Ltd. Address before: 518000 West Block, 3rd Floor, 10 Blocks, Area B, Baosheng Industrial Zone, No. 2-1 Mabu Road, Bainikeng Community, Pinghu Street, Longgang District, Shenzhen City, Guangdong Province Patentee before: Shenzhen kitchen road air purifying equipment Co., Ltd. |