CN202235169U - Cyclone separating device for cleaning equipment - Google Patents
Cyclone separating device for cleaning equipment Download PDFInfo
- Publication number
- CN202235169U CN202235169U CN2011202011604U CN201120201160U CN202235169U CN 202235169 U CN202235169 U CN 202235169U CN 2011202011604 U CN2011202011604 U CN 2011202011604U CN 201120201160 U CN201120201160 U CN 201120201160U CN 202235169 U CN202235169 U CN 202235169U
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- Prior art keywords
- cyclone separator
- staving
- air
- baffle ring
- flow baffle
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Abstract
The utility model provides a cyclone separating device for cleaning equipment. The cyclone separating device comprises a barrel body (11), wherein an air inlet (12) is formed on the barrel body (11); an air flow baffle ring (13) is annularly arranged on the inner wall (15) of the barrel body (11), protrudes to the barrel body (11) from the inner wall (15) of the barrel body, and is positioned at the downstream in the air inlet direction of the air inlet (12); and the arranging direction of the air flow baffle ring (13) and the axial direction of the barrel body (11) form a baffle angle alpha. According to the compact cyclone separating device, the air flow baffle ring is arranged in the barrel body, and after dust-containing air flow passes through the air flow baffle ring, the speed of the air flow is reduced due to the swelling of volume; therefore, the sedimentation of dust is facilitated, the possibility of raising the dust caused by impacting again is reduced after the flow speed is reduced, part of ascending air flow also can be blocked by the air flow baffle ring to descend again, and the filtering efficiency of a dust barrel is improved.
Description
Technical field
The utility model relates to a kind of cyclone separator that is used for cleaning equipment, belongs to dust catcher manufacturing technology field.
Background technology
Fig. 1 is the structural representation of existing vacuum cleaner dust bucket.As shown in Figure 1, the dirt bucket 3 in the existing dust catcher comprises staving 31; Be provided with multistage filter in the staving 31; When dust-contained airflow was got in the staving 31 of dirt buckets by air inlet 32 after, dust-contained airflow formed eddy flow in staving 31, in passing through the process of mesh filter 33; Entrained big dust granule bumps with the inwall of dirt bucket 3 under action of centrifugal force in the dust-contained airflow; To fall the laying dust of dirt bucket 3 bottoms along dirt bucket 3 inwalls indoor for part after the collision, is mixed in the less dust granule of another part in the dust-contained airflow, can get into next stage filter 34 along with ascending air.So, based on the architectural feature of existing dirt bucket, confirmed as long as be arranged on the intake velocity of the air inlet 32 on the dirt bucket 3 that the size of centrifugal force has also just been confirmed so, at this moment, 3 in dirt bucket can filter the ability of bulky grain dust and also just confirm.If want to change the filter capacity of vacuum cleaner dust bucket, can only be through changing the more powerful motor of horsepower, or the means of sacrificing incoming air area have realized, make troubles for producing design.
The utility model content
The utility model technical problem to be solved is, to the deficiency of prior art a kind of cyclone separator that is used for cleaning equipment is provided, and it is simple and compact for structure; Through the air-flow baffle ring is set in staving; After dust-contained airflow passed through this air-flow baffle ring, because the expansion of volume, speed can be lowered; Thereby help the sedimentation of dust more; Reduced after flow velocity reduces owing to the dust that produces of collision kicked up once more maybe, the part ascending air also can be stopped and descends the filter efficiency of raising dirt bucket once more by the air-flow baffle ring.
The utility model technical problem to be solved realizes through following technical scheme:
A kind of cyclone separator that is used for cleaning equipment; Comprise staving, offer air inlet on the staving, wherein; Be equipped with the air-flow baffle ring on the described staving inwall; The air-flow baffle ring is convexly equipped with to bowl inner chamber from the staving inwall, and it is provided with the downstream that the position is positioned at the air inlet airintake direction, the axial formation retaining angle α that direction and staving are set of air-flow baffle ring.
For easy to assembly, described air-flow baffle ring and staving inwall are one-body molded.
For the ease of processing, described air-flow baffle ring is fixed on the staving inwall.As required, described air-flow baffle ring and the hasp of described staving inwall through corresponding setting, perhaps corresponding raised line and the groove that is provided with, perhaps adhesive linkage is fixedly connected.
For the particle dust in the more effective air-flow of blocking, the magnitude range of retaining angle α is: 0 °＜α≤90 °, be preferably 60 °.
The height of setting described air inlet is h; Air inlet comprises upper edge and lower edge; Setting the distance of described air-flow baffle ring between original position that is provided with on the staving inwall and the lower edge of air inlet is Y; In order to prevent that dust-contained airflow from raising up once more, then the relation of the optimum position of air-flow baffle ring and air inlet is: h≤Y≤3h is preferably Y=2h.
The length that is convexly equipped with of air-flow baffle ring is 5-15mm, is preferably 12mm.The thickness of air-flow baffle ring is 1.2-2.5mm, is preferably 1.8mm.
When air communication is crossed the air-flow baffle ring; In order further to improve rotary speed, promote the gas ash content from effect, the diameter of said staving;, reduce gradually to the part of described air-flow baffle ring the original position that the staving inwall is provided with from the upper edge of described air inlet.
Described cyclone separator also comprises bottom, and bottom is pivoting with described staving or is connected separably; Described bottom covers when the infraoral of described staving, is used for collecting from the isolated dust granule of air-flow.Cross the air-flow baffle ring when downward when air communication, in order to reduce rotary speed, be beneficial to ash fall, described staving is from the part of described air-flow baffle ring between the original position that is provided with on the staving inwall to staving infraoral, and the diameter of its staving increases gradually.
Described cyclone separator comprises mesh filter, and this mesh filter is coaxial setting with described staving.
Described cyclone separator can be the single stage cyclone separator.
Described cyclone separator also can be multi-cyclone, and described cyclone separator also comprises cyclone separator, and cyclone separator is positioned at the downstream of described mesh filter, and described cyclone separator is single or a plurality of.
In sum, the utility model is simple and compact for structure, through the air-flow baffle ring is set in staving; After dust-contained airflow passed through this air-flow baffle ring, because the expansion of volume, speed can be lowered; Thereby help the sedimentation of dust more; Reduced after flow velocity reduces owing to the dust that produces of collision kicked up once more maybe, the part ascending air also can be stopped and descends the filter efficiency of raising dirt bucket once more by the air-flow baffle ring.
Below in conjunction with the accompanying drawing and the specific embodiment technical scheme of the utility model is at length explained.
Description of drawings
Fig. 1 is the structural representation of existing vacuum cleaner dust bucket;
Fig. 2 is used for cyclone separator embodiment one structural representation of cleaning equipment for the utility model;
Fig. 3 is the structural representation of the utility model air-flow baffle ring;
Fig. 4 be the utility model air-flow baffle ring with the staving inwall between the partial structurtes sketch map that is connected through hasp;
Fig. 5 is used for cyclone separator embodiment two structural representations of cleaning equipment for the utility model.
The specific embodiment
Embodiment one
Fig. 2 is used for cyclone separator embodiment one structural representation of cleaning equipment for the utility model.As shown in Figure 2, the cyclone separator that is used for cleaning equipment in the present embodiment comprises staving 11, offers air inlet 12 on the staving 11.In staving 11, carry out cyclonic separation for the first time, be the elementary cyclonic separation of this cyclone separator.Staving 11 inside of this cyclone separator are provided with mesh filter 14, and this mesh filter 14 is coaxial setting with staving 11.Mesh filter 14 is provided with a plurality of through holes, and this through hole is the air stream outlet of elementary cyclonic separation.In addition; Cyclone separator also comprises cyclone separator 18; In the present embodiment, cyclone separator is the secondary cyclone separator, and this cyclone separator 18 is the secondary cyclone separator of this cyclone separator; Cyclone separator 18 is a plurality of, is positioned at the downstream of mesh filter 14 all parallelly.Certainly, except that cyclone separator was a plurality of situation, cyclone separator also can be single, repeats no more at this.
On staving inwall 15, be equipped with air-flow baffle ring 13, air-flow baffle ring 13 is convexly equipped with to staving 11 inner chambers from staving inwall 15, and it is provided with the downstream that the position is positioned at air inlet 12 airintake directions; The axial formation retaining angle α that direction and dirt bucket staving 11 are set of air-flow baffle ring 13; For the particle dust in the more effective air-flow of blocking, the magnitude range of retaining angle α is adjustable, is generally: 0 °＜α≤90 °; Retaining angle α in the present embodiment is 60 °, and this angle is retaining angle preferred value.
Cyclone separator also comprises bottom 19, and bottom 19 is pivoting with staving 11 or is connected separably; Bottom 19 covers when the infraoral 111 of staving 11, is used for collecting from the isolated dust granule of air-flow.
The height of setting air inlet 12 is h; Air inlet 12 comprises upper edge 121 and lower edge 122; Setting the distance of described air-flow baffle ring 13 between the lower edge 122 of the original position 131 that is provided with on the staving inwall 15 and air inlet is Y; Experiment shows that for the more effective dust-contained airflow that prevents raises up once more, the position that air-flow baffle ring 13 is provided with and the height relationships of air inlet 12 are: h≤Y≤3h.In the present embodiment, relation between the two is Y=2h, and the position of air-flow baffle ring 13 just can be controlled near the dust retaining ring 17 at this moment, is the optimum position.
Staving 11 can be cylindrical directly barrel-shaped, also can be the cone shape of top butt.In order to be beneficial to air-flow in the staving 11 through behind air-flow baffle ring 13 places; Can further improve rotary speed; Promote the gas ash content from effect; The diameter of staving 11 then, reduces to the part of described air-flow baffle ring 13 the original position that staving inwall 15 is provided with from the upper edge 121 of air inlet 12 gradually; For further being beneficial to ash fall,, increase gradually from the part of air-flow baffle ring 13 between original position 131 to staving 11 infraorals that are provided with on the staving inwall 15.
Fig. 3 is the structural representation of the utility model air-flow baffle ring.As shown in Figure 3, play due effect in order to make air-flow baffle ring 13, its size also there is certain requirement.This size had both comprised the length that is convexly equipped with of air-flow baffle ring 13, comprised the thickness of air-flow baffle ring 13 again.Generally, air-flow baffle ring 13 is convexly equipped with length and can in the 5-15mm scope, be preferably 12mm; The thickness of air-flow baffle ring 13 can be preferably 1.8mm in the 1.2-2.5mm scope.
Between air-flow baffle ring 13 and the staving inwall 15 multiple connected mode can be arranged, for easy to assembly, air-flow baffle ring 13 can be one-body molded with staving inwall 15; For easily manufactured, also can air-flow baffle ring 13 be fixed on the staving inwall 15.Fig. 4 be the utility model air-flow baffle ring with the staving inwall between the partial structurtes sketch map that is connected through hasp.As shown in Figure 4, in the present embodiment, air-flow baffle ring 13 connects with the hasp 16 of staving inwall 15 through corresponding setting.Through being arranged on the hasp 16 on staving inwall 15 and the air-flow baffle ring 13, overlap joint fastens each other respectively for air-flow baffle ring 13 and staving inwall 15, and that this structure possesses is simple, attractive in appearance, save cost etc.
According to actual needs, the version of connector also can adopt multiple, such as: correspondence is arranged on raised line and the groove on staving inwall 15 or the air-flow baffle ring 13 respectively; For easy to assembly, also can directly air-flow baffle ring 13 and staving inwall 15 be connected and fixed through adhesive linkage.
In conjunction with shown in Figure 2, the course of work that is used for the cyclone separator of cleaning equipment in the present embodiment is such:
Dust-contained airflow; Tangential direction from the air inlet 12 of dust catcher along the dirt bucket is inhaled in the dirt bucket, in the dirt barrel cavity, because action of centrifugal force; Dust granule and dirt bucket inwall 15 bump, and the dust granule that separate from air-flow the collision back carries out sedimentation along dirt bucket inwall.Because the diameter of staving 11 reduces to the part of air-flow baffle ring 13 the original position that staving inwall 15 is provided with from the upper edge 121 of air inlet 12 gradually, so the rotary speed of air-flow can improve, and leaves thereby help the gas ash content.Run into the air-flow baffle ring 13 that is arranged on staving 11 inside when getting into the inner air-flow of dirt bucket; Owing to receive stopping of air-flow baffle ring 13; Thereby prevented that the dust granule of separating in the air-flow from raising up once more, the separated dust particle separation descends, and falls in the bottom 19 of below.Moreover; Because the diameter of staving 11; Increasing gradually from the part of air-flow baffle ring 13 between original position 131 to staving 11 infraorals that are provided with on the staving inwall 15, volume becomes big after air communication is crossed the air-flow baffle ring, and the staving diameter of this moment becomes big in addition; The rotary speed of air-flow can slow down accordingly, thereby the dust that helps in the air-flow descends.Dust granule after the sedimentation directly falls on the bottom 19 of staving 11 belows.Air communication after the gas ash content has left is crossed a plurality of through holes that are provided with on the mesh filter 14 and is got into the inside of mesh filter 14.
Air-flow after this gas ash content leaves rises, and a plurality of through holes that are provided with through mesh filter 14 get in the mesh filter 14.Cyclone separator 18 is positioned at the downstream of mesh filter; As shown in Figure 2; Cyclone separator 18 is made up of a plurality of small-sized whirlwind tubes that are arranged in together in the present embodiment, and specifically, cyclone separator is made up of the small-sized whirlwind tube that is the top frustoconical that a plurality of parallel connections are provided with.Get into mesh filter 14 inner air-flows and get in the cyclone separator 18, in a plurality of whirlwind tubes of cyclone separator 18, carry out the cyclone gas-solid separation second time, the part particle separation in this part air-flow is descended, fall in the bottom 19 of below.Air-flow after the separation rises under the effect of vacuum source, filters through filtrations such as sponges, and final clean gas is discharged through the gas outlet.
In the preferred version; The bottom of mesh filter 14 is provided with dust retaining ring 17; Run into the air-flow baffle ring 13 and dust retaining ring 17 that is arranged on staving 11 inside when getting into the inner air-flow of dirt bucket, stop with the dual of dust retaining ring 17 owing to receive air-flow baffle ring 13, thereby prevented that the dust granule of separating in the air-flow from raising up once more; The separated dust particle separation descends, and falls in the bottom 19 of below.
The utility model is used for the cyclone separator of cleaning equipment owing to increased the air-flow baffle ring, and after dust-contained airflow was through this ring, a part of dusty gas produced backflow and flow velocity and reduces under the barrier effect of air-flow baffle ring; Because be provided with direction and the staving of air-flow baffle ring axially form and keep off the angle, another part air communication is crossed after the air-flow baffle ring, and volume expands suddenly; Flowing velocity can be lowered; Thereby help the sedimentation of dust more, and speed little later reduced owing to collision produces that dust kicked up once more maybe, the part ascending air also can be stopped decline once more by the air-flow baffle ring; Thereby improved the filter efficiency of dirt bucket, reduced the filtration burden of next stage.
Embodiment two
Fig. 5 is used for cyclone separator embodiment two structural representations of cleaning equipment for the utility model.As shown in Figure 5; Embodiment two is with the difference of previous embodiment; In the present embodiment; The cyclone separator that is used for cleaning equipment is the single stage cyclone separator, the axial formation retaining angle α that direction and dirt bucket staving 11 are set of its air-flow baffle ring 13, and the size of retaining angle α is: 0 °＜α≤90 °.Retaining angle α is 45 ° in the present embodiment, and other structures are similar, repeat no more at this.
As shown in Figure 5, the course of work that is used for the cyclone separator of cleaning equipment in the present embodiment is such:
Dust-contained airflow; Tangential direction from the air inlet 12 of dust catcher along the dirt bucket is inhaled in the dirt bucket, in the dirt barrel cavity, because action of centrifugal force; Dust granule and dirt bucket inwall 15 bump, and the dust granule that separate from air-flow the collision back carries out sedimentation along dirt bucket inwall.Because the diameter of staving 11 reduces to the part of air-flow baffle ring 13 the original position that staving inwall 15 is provided with from the upper edge 121 of air inlet 12 gradually, so the rotary speed of air-flow can improve, and leaves thereby help the gas ash content.Run into the air-flow baffle ring 13 that is arranged on staving 11 inside when getting into the inner air-flow of dirt bucket; Owing to receive stopping of air-flow baffle ring 13; Thereby prevented that the dust granule of separating in the air-flow from raising up once more, the separated dust particle separation descends, and falls in the bottom 19 of below.Moreover; Because the diameter of staving 11; Increasing gradually from the part of air-flow baffle ring 13 between original position 131 to staving 11 infraorals that are provided with on the staving inwall 15, volume becomes big after air communication is crossed the air-flow baffle ring, and the staving diameter of this moment becomes big in addition; Rotary speed can slow down accordingly, and the dust that helps in the air-flow descends.Dust granule after the sedimentation directly falls on the bottom 19 of staving 11 belows.Air-flow after the separation rises under the effect of vacuum source, and through filter 21, final clean gas is discharged through the gas outlet.
Contrasting above-mentioned two embodiment can know, for the multistage filtering among the embodiment one, after dust-contained airflow gets into the dirt bucket from air inlet; Through elementary cyclonic separation; Big dust granule drops on dirt bucket bottom under action of centrifugal force, all the other dust-contained airflows get into cyclone separator and carry out secondary cyclonic separation, carry out further gas solid separation; At the process filtering material, the filtering material life-span can be longer relatively so then.And the single-stage among the embodiment two is filtered, and after dust-contained airflow got into the dirt bucket from air inlet, big dust granule dropped on dirt bucket bottom under action of centrifugal force, and all the other dust-contained airflows get into filter, go out the dirt bucket after the filtration.Under the identical situation of overall efficiency, the filtering material that single-stage is filtered need often change, but it is simple in structure, low cost of manufacture.
This cyclone separator is used for cleaning equipment, and described cleaning equipment can be vacuum cleaner, also can be equipment such as wet-cleaned machine.
In sum, the utility model has increased the air-flow baffle ring on dirt bucket inwall, and after dust-contained airflow was through this ring, a part of dusty gas produced and refluxes and the flow velocity reduction under the barrier effect of air-flow baffle ring; Because be provided with direction and the staving of air-flow baffle ring axially form and keep off the angle; Another part air communication is crossed after the air-flow baffle ring, and volume expands suddenly, and flowing velocity can be lowered; Thereby help the sedimentation of dust more; And speed little later reduced owing to collision produces that dust kicked up once more maybe, the part ascending air also can be stopped decline once more by the air-flow baffle ring, thereby has improved the filter efficiency of dirt bucket.
Claims (15)
1. cyclone separator that is used for cleaning equipment; Comprise staving (11), offer air inlet (12) on the staving (11), it is characterized in that; Be equipped with air-flow baffle ring (13) on described staving (11) inwall (15); Air-flow baffle ring (13) is convexly equipped with to staving (11) inner chamber from staving inwall (15), and it is provided with the downstream that the position is positioned at air inlet (12) airintake direction, the axial formation retaining angle α that direction and staving (11) are set of air-flow baffle ring (13).
2. the cyclone separator that is used for cleaning equipment as claimed in claim 1 is characterized in that, described air-flow baffle ring (13) is one-body molded with staving inwall (15).
3. the cyclone separator that is used for cleaning equipment as claimed in claim 1 is characterized in that, described air-flow baffle ring (13) is fixed on the staving inwall (15); The hasp (16) that both are provided with through correspondence, perhaps corresponding raised line and the groove that is provided with, perhaps adhesive linkage is fixedly connected.
4. the cyclone separator that is used for cleaning equipment as claimed in claim 1 is characterized in that, the magnitude range of described retaining angle α is: 0 °＜α≤90 °.
5. the cyclone separator that is used for cleaning equipment as claimed in claim 4 is characterized in that, described retaining angle α is 60 °.
6. the cyclone separator that is used for cleaning equipment as claimed in claim 1; It is characterized in that; The height of setting described air inlet (12) is h; Air inlet (12) comprises upper edge (121) and lower edge (122), and setting the distance that described air-flow baffle ring (13) goes up between the lower edge (122) of the original position (131) that is provided with and air inlet at staving inwall (15) is Y, then: h≤Y≤3h.
7. the cyclone separator that is used for cleaning equipment as claimed in claim 6 is characterized in that, described Y=2h.
8. the cyclone separator that is used for cleaning equipment as claimed in claim 1 is characterized in that, the length that is convexly equipped with of described air-flow baffle ring (13) is 5-15mm;
The thickness of described air-flow baffle ring (13) is 1.2-2.5mm.
9. the cyclone separator that is used for cleaning equipment as claimed in claim 8 is characterized in that, the length that is convexly equipped with of described air-flow baffle ring (13) is 12mm;
The thickness of described air-flow baffle ring (13) is 1.8mm.
10. like claim 6 or 7 each described cyclone separators that are used for cleaning equipment; It is characterized in that; The diameter of said staving (11);, reduce gradually to the part of described air-flow baffle ring (13) the original position (131) that staving inwall (15) is provided with from the upper edge (121) of described air inlet (12).
11. the cyclone separator that is used for cleaning equipment as claimed in claim 1 is characterized in that, described cyclone separator also comprises bottom (19), and bottom (19) is pivoting with described staving (11) or is connected separably; Described bottom (19) covers when the infraoral (111) of described staving (11), is used for collecting from the isolated dust granule of air-flow;
Described staving (11) is being gone up the part between original position (131) to staving (11) infraoral that is provided with from described air-flow baffle ring (13) at staving inwall (15), the diameter of its staving (11) increases gradually.
12. the cyclone separator that is used for cleaning equipment as claimed in claim 1 is characterized in that, described cyclone separator comprises mesh filter (14), and this mesh filter (14) is coaxial setting with described staving (11).
13., it is characterized in that described cyclone separator is the single stage cyclone separator like claim 1 to 9, each described cyclone separator that is used for cleaning equipment of 11-12.
14. the cyclone separator that is used for cleaning equipment as claimed in claim 10 is characterized in that, described cyclone separator is the single stage cyclone separator.
15. the cyclone separator that is used for cleaning equipment as claimed in claim 12; It is characterized in that; Described cyclone separator is a multi-cyclone; Described cyclone separator also comprises cyclone separator (18), and cyclone separator (18) is positioned at the downstream of described mesh filter (14), and described cyclone separator (18) is single or a plurality of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202011604U CN202235169U (en) | 2011-06-15 | 2011-06-15 | Cyclone separating device for cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202011604U CN202235169U (en) | 2011-06-15 | 2011-06-15 | Cyclone separating device for cleaning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202235169U true CN202235169U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202011604U Expired - Lifetime CN202235169U (en) | 2011-06-15 | 2011-06-15 | Cyclone separating device for cleaning equipment |
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| Country | Link |
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| CN (1) | CN202235169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824143A (en) * | 2011-06-15 | 2012-12-19 | 泰怡凯电器(苏州)有限公司 | Cyclone separating device for cleaning equipment |
-
2011
- 2011-06-15 CN CN2011202011604U patent/CN202235169U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824143A (en) * | 2011-06-15 | 2012-12-19 | 泰怡凯电器(苏州)有限公司 | Cyclone separating device for cleaning equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 215168 Wuzhong District, Jiangsu, Stone Lake Road West, No. 108 Patentee after: ECOVACS ROBOTICS Co.,Ltd. Address before: 215168 Wuzhong District, Jiangsu, Stone Lake Road West, No. 108 Patentee before: ECOVACS ROBOTICS Co.,Ltd. Address after: 215168 Wuzhong District, Jiangsu, Stone Lake Road West, No. 108 Patentee after: ECOVACS ROBOTICS Co.,Ltd. Address before: 215168 Wuzhong District, Jiangsu, Stone Lake Road West, No. 108 Patentee before: ECOVACS ROBOTICS (SUZHOU) Co.,Ltd. Address after: 215168 Wuzhong District, Jiangsu, Stone Lake Road West, No. 108 Patentee after: ECOVACS ROBOTICS (SUZHOU) Co.,Ltd. Address before: 215168 Wuzhong District, Jiangsu, Stone Lake Road West, No. 108 Patentee before: TEK ELECTRICAL (SUZHOU) Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
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| CX01 | Expiry of patent term |