CN202568086U - Electrostatic dust collector - Google Patents
Electrostatic dust collector Download PDFInfo
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- CN202568086U CN202568086U CN 201120501444 CN201120501444U CN202568086U CN 202568086 U CN202568086 U CN 202568086U CN 201120501444 CN201120501444 CN 201120501444 CN 201120501444 U CN201120501444 U CN 201120501444U CN 202568086 U CN202568086 U CN 202568086U
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- utmost point
- dust
- dust suction
- electrostatic precipitator
- high voltage
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Abstract
The utility model discloses an electrostatic dust collector, which comprises a high-voltage power supply, a corona electrode and a dust collection electrode, wherein the high-voltage power supply is a direct current power supply; and one electrode of the direct current power supply is connected with the corona electrode through a wire, and the other electrode of the direct current power supply is connected with the dust collection electrode through the wire. The electrostatic dust collector is simple in structure, reasonable in design, noiseless, low in energy consumption and good in dust collection effect, and meets using requirements of people.
Description
Technical field
The utility model relates to the electrostatic precipitator of removing surface dirt and Other Waste, specifically is a kind of electrostatic precipitator.
Background technology
Existing dust catcher is a vacuum cleaner basically, even produce vacuum with motor, air is sucked from the scrubbing brush inlet, brings rubbish such as dust into dust catcher when inhaled air is flowed through ground, and air through filtering, is discharged again.
The dust catcher of selling on the current market is vacuum cleaner, and vacuum cleaner has that noise is big, and energy consumption is big, complex structure, awkward shortcoming.
Existing report about electrostatic precipitator all be to use the Electrostatic Absorption dust merely, but its effect is unsatisfactory in document or the patent application.On the one hand because dust is charged hardly, so can not adsorb dust, perhaps its poor.On the other hand, even adsorbed, also can because of dust with the electrode absorbing contacting with electrode identical electric charge and finally being ostracised, finally can't play the effect of dust suction.According to experimental study, the electrostatic precipitator of unitary electrode can not well be drawn dust.
The utility model content
In order to solve the problem that exists in the prior art, the utility model provides a kind of electrostatic precipitator, its reasonable in design, and pick-up performance is good.
A kind of electrostatic precipitator is characterized by: comprise high voltage source, corona discharge electrode and the dust suction utmost point, wherein high voltage source is a dc source, and high voltage source one utmost point links to each other with corona discharge electrode through lead, and another utmost point extremely links to each other with dust suction through lead.
Described electrostatic precipitator is characterized by: dust suction very has the cavity structure of suction port.
Described electrostatic precipitator is characterized by: said cavity structure inside is provided with dust-collecting cavity.
Described electrostatic precipitator is characterized by: the dust suction utmost point partly or entirely be coated with insulating barrier.
Described electrostatic precipitator is characterized by: the dust suction utmost point includes two conductive plates, and said conductive plate is arranged relatively, and a utmost point of high voltage source links to each other with two conductive plates, and another utmost point links to each other with corona discharge electrode, and two conductive plate next doors are provided with storage dirt part.
Described electrostatic precipitator is characterized by: the dust suction utmost point is processed by the material that can absorb water.
Described electrostatic precipitator is characterized by: described electrostatic precipitator also is provided with and makes the device of surface dirt foreign material from sur-face peeling or gathering.
Described electrostatic precipitator is characterized by: can be provided with corona discharge electrode in the described stripping off device.
Described electrostatic precipitator is characterized in that: be provided with magnet in the described electrostatic precipitator.
Described electrostatic precipitator is characterized in that: the two poles of the earth of described high voltage source are received different dust suctions respectively and are extremely gone up.At this moment, the dust suction utmost point serves as the function of corona discharge electrode, has dust-absorbing function.
A kind of structure of a kind of electrostatic precipitator can be designed as: include housing, corona discharge electrode, the dust suction utmost point and hairbrush, be provided with high voltage source in the housing, a utmost point of high voltage source is electrically connected with corona discharge electrode through lead, and another utmost point is electrically connected with the dust suction utmost point through lead; Said corona is wire very, and said wire is wrapped on the housing; The said dust suction utmost point is positioned at the bottom of housing; Said dust suction utmost point next door is distributed with hairbrush.Said high voltage source is passed through powered battery.Said housing bottom is equipped with roller.
The electrostatic precipitator of the utility model comprises high voltage source, corona discharge electrode and the dust suction utmost point, and high voltage source is a dc source, and the battery inner by dust catcher is that its power supply or external civil power are its power supply.One utmost point of high voltage source output links to each other with corona discharge electrode through lead, and another utmost point extremely links to each other with dust suction through lead.During work, high voltage source produces DC voltage makes corona discharge electrode produce corona discharge, and the dust suction utmost point also links to each other with high voltage source, and dust or rubbish are drawn.Dust of being drawn or rubbish are attached to the inner surface or the outer surface of the dust suction utmost point or reside in storage dirt part.
The described electrostatic precipitator of the utility model can have a plurality of corona discharge electrodes and a plurality of dust suction utmost point.
The high voltage direct current that high voltage source produces can have certain pulse.It act as and makes corona discharge electrode produce corona discharge, makes the dust suction utmost point draw rubbish such as dust simultaneously.High voltage source need produce sufficiently high voltage on the one hand, to produce, avoids too high voltage to produce spark or puncture on the other hand again.Can confirm the size of DC voltage according to the distance of corona discharge electrode and dust suction interpolar, for example bigger distance can be used higher voltage, to improve pick-up performance.For example can preferably use the voltage of 1000V-100000V, in addition higher or lower.
In order to improve security, the electric current that high voltage source can produce can be minimum, for example milliampere level, even microampere order.
The described corona discharge electrode of the utility model extremely links to each other with one of high voltage source; Mainly be to produce corona discharge and corona current, for example can needle-like, wire or have the line of burr; Metal tape; Sheet, and other shapes arbitrarily comprise that the dust suction utmost point that uses the shape extremely identical with dust suction or use a certain type is as corona discharge electrode.For example corona discharge electrode can be the metal wire of diameter 0.1mm-2mm, can for diameter 0.5mm-2mm prong, also can be the metal tape of the thick 0.5mm of wide 10mm.Corona discharge electrode can link to each other with the positive pole of high voltage source, the generation that also can link to each other with negative pole, and the two all can produce pick-up performance.Under identical voltage, it is better that the dust suction utmost point connects anodal pick-up performance.
The distance of the dust suction utmost point and corona discharge electrode can just determine that for example its distance can be 0.1-15cm according to voltage, preferred 2-10cm.The distance of the corona discharge electrode and the dust suction utmost point is little to pick-up performance influence, so also its distance of appropriate change according to circumstances.
The described dust suction utmost point of the utility model extremely links to each other with one of high voltage source, uses the material with certain electric conductivity to process, for example metal, alloy, semiconductor, moisture material etc.The effect of the dust suction utmost point is absorption or rubbish such as suction and storage dust.
Described dust suction extremely can have multiple shape, for example tabular, flap-like, spherical, cavity-like etc.Very during tabular, dull and stereotyped surface has the effect of absorption dust, resides in planar surface after dust is adsorbed in dust suction.Flap-like can be that flat board is converted into the flap-like that the cross section is L, and its horizontal component has the effect that absorption stores dust.The outer surface of the spherical dust suction utmost point can be used as the absorption dust and uses, and when it was hemispherical, two surfaces of hemisphere all can be used as the surface of absorption dust.
The dust suction of the described electrostatic precipitator of the utility model extremely can be a cavity body with opening.Cavity body connects a utmost point of high voltage source, and suction port is drawn surface dirt during work, and dust gets into cavity body inside by suction port.
Described cavity body, its inside can have a part that stores dust.
For the dust that makes suction resides in the cavity body, be not easy to overflow, can be provided with a baffle plate in edge, the cavity body inboard of suction port.
The dust suction utmost point of the described electrostatic precipitator of the utility model, its surface can partly or entirely cover insulating barrier.Be neutralized immediately after can avoiding on the one hand dust and electrode surface contacting and electric charge that band is identical with electrode and being repelled by electrode; Can play insulating effect for non-dust suction position on the other hand, improve security, strengthen the pick-up performance at dust suction position.For example for the dull and stereotyped dust suction utmost point, its surface can cover insulating barrier; Can cover insulating barrier at skin for the cavity body dust suction utmost point;
For insulating barrier,, can use material and use different thickness of insulating layer with different insulative performance because of it covers the purpose difference.For for prevent the dust electric charge by in the dust suction extremely with purpose and dielectric layer covered, and do not require that it insulate fully, because the insulation of height also can cause dust suction utmost point surface charge to be assembled too much and reduce pick-up performance.
The dust suction utmost point of the described electrostatic precipitator of the utility model can be to be discharged relatively by the plate that two blocks of conductive materials are processed to constitute, and two boards extremely links to each other with the same of high voltage source.And do not require the parallel placement of two boards, do not require that equally the two boards size is in full accord yet.For example by two long respectively 25cm, wide 1cm, the corrosion resistant plate of thick 0.05cm is arranged at a distance of 0.5cm with parallel substantially, can be formed the described dust suction utmost point.Two boards is perpendicular to the surface during dust suction, or is certain angle with the surface, and dust is sucked by the finedraw between plate, resides in the surface of plate or is inhaled into storage dirt part through the slit.
Described two conductive plates change two leads into, also have pick-up performance, also can be used as the described dust suction utmost point of the utility model.Dust is sucked by the vertical direction on the plane that belongs to along lead, and can the impelling certain distance.For example: can change the material of the cavity body of embodiment 4 into electrically non-conductive material, and be provided with the long lead of two 25cm on the both sides of its suction port and link to each other, also can be used as the described dust suction utmost point of the utility model with high voltage source.If the plane of lead tilts, then dust well is thrown into the storage dirt part on next door.
The next door of the dust suction utmost point that constitutes at described two conductive plates can be provided with the position that dust is deposited, and it extremely links to each other with described dust suction.Described dust storage also can use identical materials process and be attached thereto with the dust suction utmost point, even as the part of the dust suction utmost point.Dust is sucked by the electric field between two plates of the dust suction utmost point, and part resides in the surface of plate, and part is dished out, the final storage dirt part that gets into.
The described electrostatic precipitator of the utility model, its dust suction utmost point can be processed by the material that can absorb certain water gaging, and it has certain electric conductivity after suction, can be used as the dust suction utmost point.Sponge, paper, cotton his braid extremely for example.Absorbent material links to each other with the lead of high voltage source.Also can be with softer water accepting layer covering and conduction or nonconducting harder material surface.Described dust suction extremely can be processed tabular or is made up of a plurality of flat boards.
Have electric conductivity after the suction of the dust suction utmost point on the one hand, can be used as electrode and use, adhered to dust suction by the water-wet in the dust suction extremely immediately after dust is adsorbed on the other hand and extremely go up difficult drop-off, reduce dust and fly upward.The thickness of water accepting layer for example can be 0.01cm-2cm according to what are confirmed to the required water yield.
The surface the part dust adhesion on it, difficult quilt is drawn, can be at the built-in device that makes dust stripper surface or gathering of the described electrostatic precipitator of the utility model, for example hairbrush, sponge, scraper plate etc.When dust catcher and surface relatively moved, described peel off or aggregation apparatus nuzzles up from the surface cleaned the surface.In existing vacuum cleaner, also use hairbrush or scraper plate.The described dust stripping off device of the utility model can be identical with existing vacuum cleaner.
Stripping off device can arrange as far as possible from dust suction extremely more closely, its can with the dust suction utmost point alternately, also can be enclosed in around the dust suction utmost point, perhaps surrounded by the dust suction utmost point.One of the described electrostatic precipitator of the utility model is provided with a stripping off device at least, can be provided with a plurality of stripping off devices, and said stripping off device is hairbrush, sponge or scraper plate.Wherein a plurality of stripping off devices can be the combinations of multiple stripping off device.
The stripping off device of the described electrostatic precipitator of the utility model, its inside can be provided with corona discharge electrode.For example when stripping off device is hairbrush, can the hair that corona discharge electrode is processed filament shape and hairbrush be enrolled hairbrush jointly; Also can be embedded in needle-like or wire as corona discharge electrode at scraper plate; Can be embedded in needle electrode or wire as corona discharge electrode in sponge.
In order to improve pick-up performance, can make the corona discharge electrode ground proximity or in ground contact, for example when in hairbrush or scraper plate, corona discharge electrode being set, corona discharge electrode be actually can inswept surface or contact with ground.Corona discharge electrode itself also can be used as described stripping off device, for example processes hairbrush with wire;
The described electrostatic precipitator of the utility model, its inside can be provided with the device that produces magnetic field, for example magnet, electromagnet.When work, produce magnetic field and improve pick-up performance.
The technique effect of the utility model:
The utility model is simple in structure, and is reasonable in design, noiselessness, and less energy consumption, pick-up performance is good, has satisfied people's user demand.
Description of drawings
Fig. 1 is the structural representation of embodiment one.
Fig. 2 is the structural representation of embodiment two.
Fig. 3 a is the sectional view of the dust suction utmost point among the embodiment three.
Fig. 3 b is the structural representation of the dust suction utmost point among the embodiment three.
Fig. 4 a is the sectional view of the dust suction utmost point among the embodiment four.
Fig. 4 b is the structural representation of the dust suction utmost point among the embodiment four.
Fig. 5 is a kind of sectional view of the dust suction utmost point.
Fig. 6 is the structural representation of embodiment six.
Fig. 7 is the structural representation of embodiment seven.
Fig. 8 is the structural representation of embodiment eight.
Fig. 9 is the structural representation of embodiment nine.
Fig. 1: 1 corona discharge electrode, the 2 dust suction utmost points, 3 high voltage sourcies, 4 batteries, 5 hairbrush, 6 rollers, 7 shells, 8 handles.
Fig. 2: 1 corona discharge electrode, the 2 dust suction utmost points, 3 high voltage sourcies, 4 batteries, 5 hairbrush, 6 rollers, 7 shells, 8 handles
The specific embodiment
Like Fig. 1, a kind of electrostatic precipitator is by 2, two hairbrush 5 of four dust suction utmost points; Hairbrush 5 is put between four dust suction utmost points 2; 3, diameter 0.4mm of 4, one high voltage sourcies of rechargeable battery fine wire links to each other with high voltage source 3 as corona discharge electrode 1 and is looped around around the shell 7; Also comprise roller 6, handle 8.3 power supplies of 4 pairs of high voltage sourcies of rechargeable battery, high voltage source 3 produces the DC voltage of 100000V.During work, roller 6 rolls on ground or other surface, draws rubbish such as dust.
The vacuum cleaner of this dust catcher and a certain model is carried out pick-up performance relatively.This electrostatic precipitator and vacuum cleaner were inhaled the ground (30 square metres) of equal areas respectively, and the amount of dust on ground equates.Dust in getting dust catcher is weighed, and relatively weight of dust compares the clean degree of above-floor simultaneously.
The result sees the following form
| ? | Electrostatic precipitator | Vacuum cleaner |
| Suck amount of dust | 5.166g | 5.201g |
| Noise | 70 decibels | Do not have |
| Consumed power | 1200W | 2.5W |
| The floor cleaning degree | Clean very much | Clean very much |
It is thus clear that this electrostatic precipitator is suitable with vacuum cleaner aspect effect, but have noiselessness, the advantage of less energy consumption.
See Fig. 2.
A kind of dust catcher by a dust suction utmost point 2, is in the hairbrush 5 of the dust suction utmost point 2 centres; 3, fine wires of 4, one high voltage sourcies of a rechargeable battery link to each other with high voltage source as corona discharge electrode 1 and be looped around shell 7 around (also be provided with protective cover in the corona discharge electrode periphery; Its effect is to improve security on the one hand; Reducing dust on the other hand flies upward), also comprise roller 6, handle 8.Wherein but the dust suction utmost point 2 is a water-absorbing sponge, and it is built-in with lead and extremely links to each other with one of high voltage source, and sponge is pasted on the hardboard.DC voltage 40000V adsorbs a certain amount of water with the dust suction utmost point during work.
See Fig. 3 a and Fig. 3 b.
A kind of cavity-like dust suction utmost point 2.Dust gets into the dust suction utmost point by the space between AB and CD and is thrown into, and finally resides on the bottom surface of the dust suction utmost point (being DE section in the sectional view).
Plate CD and AB that the dust suction utmost point is processed by two blocks of conductive materials constitute, and two boards all extremely links to each other with the same of high voltage source.Two boards is substantially with relative positional alignment, and two plates are not necessarily parallel, phasing not of uniform size etc.DE is the storage dirt part that is located at two edges of boards, is used to store the dust of suction.Dust is inhaled into by the space between AB and CD.
See Fig. 4 a and Fig. 4 b.
A kind of cavity-like dust suction utmost point 2 with opening processes the hollow cuboid with six faces of the high 15mm of the wide 20mm of long 270mm by thick for the stainless steel of 0.5mm, opens the slit of the wide 2mm of a long 270mm again on the ground of cuboid.Can be provided with baffle plate AB and CD in the inboard of slit.
Dust is sucked by the space between AB and CD, and dust resides on BE and the DF.Wherein AB and CD section are for stoping the baffle plate of dust landing, and it can be connected as a single entity with electrode, promptly use to process with its identical materials and link to each other with high voltage source equally, and it also can be to be processed by insulating materials, is merely to prevent the dust landing.The dust that sucks can be poured out by opening from the side.
See Fig. 5.
A kind of dust suction utmost point 2, the groove that it is U-shaped that the shape of this dust suction utmost point 2 is equivalent to a cross section is sidelong.Dust is sucked by the AB opening, and dust resides in the BD section.During dust suction, the surface is close to and is parallel to the AB section, and dust is by sucking between opening AC, and reside on the AB.In order to make the dust in the cavity be difficult for landing, can establish one at the B place has the baffle plate of certain angle with BD.
See Fig. 6.
A kind of cavity-like dust suction utmost point 2, at a long 25cm who is processed by the corrosion resistant plate of thick 0.05cm, the cross section is the cavity body of trapezoidal (the high 1cm in cross section, following bottom width 1.5cm goes up bottom width 1cm).Its suction port is Acac, and it is the slit of the wide 0.2cm of long 25cm.Dust is by sucking in the cavity between ACac and residing on the CDcd face of bottom surface.End that can cuboid is opened an outlet, for toppling over dust.The outer surface of the dust suction utmost point 2 can cover with insulating materials.In addition, on the edge of Cc go up, the inboard baffle plate of establishing of cavity, to stop dust by the edge landing.
See Fig. 7.
A kind of dust suction utmost point 2, it forms at a distance of certain distance and being arranged parallel to each other by the polylith conducting plate, and the size of its every block of plate in cross section can be long 25cm, wide 2cm, thick 0.05cm.The surface of plate can cover the insulating barrier with certain insulating properties.
See Fig. 8.
A kind of electrostatic precipitator is put between four dust suction utmost points 2 by four dust suction utmost points 2 and 5,11, two hairbrush 5,11 of two hairbrush; 3, fine wires of 4, one high voltage sourcies of a rechargeable battery link to each other with high voltage source as corona discharge electrode 1 and are looped around around the shell 7; Also comprise roller 6, handle 8, rolling hairbrush 9; Refuse hopper 10 is worked out the corona discharge electrode 11 in hairbrush.High voltage source produces the DC voltage of 3000V.
A kind of electrostatic precipitator, hairbrush 5 can rotate under driven by motor, and during work, rubbish that rotatable hairbrush 9 will be bigger or dust sweep in the refuse hopper 10, and less rubbish and dust are then sucked by the dust suction utmost point.
Embodiment 9
See Fig. 9.
A kind of electrostatic precipitator, by 1, two hairbrush 5 of 2, two corona discharge electrodes of two dust suction utmost points, hairbrush 5 is put between the corona discharge electrode 1 and the dust suction utmost point 2,4, one high voltage sourcies 3 of a rechargeable battery, shell 7 also comprises roller 6, handle 8.3 power supplies of 4 pairs of high voltage sourcies of rechargeable battery, high voltage source 3 produces the DC voltage of 2000V.In this embodiment, corona discharge electrode is extremely identical with dust suction, promptly the two poles of the earth of high voltage source all extremely link to each other with dust suction (in other words 1 not only as corona discharge electrode but also have the effect of the dust suction utmost point), all have the effect of drawing dust.During work, roller 6 rolls on ground or other surface, and the dust suction utmost point and corona discharge electrode are drawn rubbish such as dust.
Electrostatic precipitator, its corona discharge electrode can be extremely identical with dust suction, has dust-absorbing function, and promptly the two poles of the earth of high voltage source all extremely link to each other with dust suction, but the dust suction utmost point type that the two poles of the earth connected can be different.Two dust suctions on same dust catcher, being adorned extremely can be identical, also can be inequality, connect the positive pole and the negative pole of high voltage source respectively, and promptly anodal and negative pole all has the function of dust suction.For example with the two poles of the earth of high voltage source, a utmost point connects the dust suction utmost point of embodiment 3, and another utmost point connects the dust suction utmost point of embodiment 5, can constitute a dust catcher.It is also passable perhaps the two poles of the earth to be connect two dust suction utmost points of embodiment 3 respectively, under this kind situation, also can make varying in size of two dust suction utmost points.For example can a utmost point of high voltage source extremely be linked to each other with embodiment 4 dust suctions, another utmost point extremely links to each other with the dust suction of a lametta and embodiment 6.In embodiment 9, the two poles of the earth of high voltage source connect two dust suction utmost points respectively.
When the two poles of the earth of described dust catcher are the dust suction utmost point, have at least the surface of a dust suction utmost point can not all cover insulating barrier.
Claims (10)
1. electrostatic precipitator, it is characterized by: comprise high voltage source, corona discharge electrode and the dust suction utmost point, wherein high voltage source is a dc source, and a utmost point of high voltage source links to each other with corona discharge electrode through lead, and another utmost point passes through lead and extremely links to each other with dust suction.
2. electrostatic precipitator according to claim 1 is characterized by: dust suction very has the cavity structure of suction port.
3. electrostatic precipitator according to claim 2 is characterized by: said cavity structure inside is provided with dust-collecting cavity.
4. electrostatic precipitator according to claim 1 is characterized by: the dust suction utmost point partly or entirely be coated with insulating barrier.
5. electrostatic precipitator according to claim 1; It is characterized by: the dust suction utmost point includes two conductive plates, and said conductive plate is arranged relatively, and a utmost point of high voltage source links to each other with two conductive plates; Another utmost point links to each other with corona discharge electrode, and two conductive plate next doors are provided with storage dirt part.
6. electrostatic precipitator according to claim 1 is characterized by: the dust suction utmost point is processed by the material that can absorb water.
7. according to any one described electrostatic precipitator of claim 1-6, it is characterized by: described electrostatic precipitator also is provided with and makes the device of surface dirt foreign material from sur-face peeling or gathering.
8. electrostatic precipitator according to claim 7 is characterized by: can be provided with corona discharge electrode in the described stripping off device.
9. electrostatic precipitator according to claim 7 is characterized in that: be provided with magnet in the described electrostatic precipitator.
10. electrostatic precipitator according to claim 7 is characterized in that: the two poles of the earth of described high voltage source are received different dust suctions respectively and are extremely gone up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120501444 CN202568086U (en) | 2011-12-06 | 2011-12-06 | Electrostatic dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120501444 CN202568086U (en) | 2011-12-06 | 2011-12-06 | Electrostatic dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202568086U true CN202568086U (en) | 2012-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120501444 Expired - Fee Related CN202568086U (en) | 2011-12-06 | 2011-12-06 | Electrostatic dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202568086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024122198A1 (en) * | 2022-12-08 | 2024-06-13 | パナソニックＩｐマネジメント株式会社 | Cleaner system |
-
2011
- 2011-12-06 CN CN 201120501444 patent/CN202568086U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024122198A1 (en) * | 2022-12-08 | 2024-06-13 | パナソニックＩｐマネジメント株式会社 | Cleaner system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20131206 |