CN204380854U - Fluid drive unit - Google Patents
Fluid drive unit Download PDFInfo
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- CN204380854U CN204380854U CN201390000446.3U CN201390000446U CN204380854U CN 204380854 U CN204380854 U CN 204380854U CN 201390000446 U CN201390000446 U CN 201390000446U CN 204380854 U CN204380854 U CN 204380854U
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- corona electrode
- fluid drive
- drive unit
- air flow
- flow duct
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/08—Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/12—Plant or installations having external electricity supply dry type characterised by separation of ionising and collecting stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/32—Transportable units, e.g. for cleaning room air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/41—Ionising-electrodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/60—Use of special materials other than liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/06—Ionising electrode being a needle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/10—Ionising electrode has multiple serrated ends or parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/14—Details of magnetic or electrostatic separation the gas being moved electro-kinetically
Abstract
The utility model relates to a kind of fluid drive unit (2) being configured for producing flowing in fluid.Described fluid drive unit comprises the air flow duct (4) with inner surface (4C) being configured to be suitable for fluid and carrying out flowing.Multiple corona electrode (6A) is arranged in described air flow duct, and wherein, each described corona electrode comprises the slender body (6A2) with distal end (61) and proximal end (62).Described distal end is provided with the end structure (6A1) being configured to produce corona discharge.Non-corona electrode (6B) is arranged on the downstream of described corona electrode, the end (6A1) of described corona electrode (6A) is positioned in the position apart from described non-corona electrode (6B) preset distance (d), and described proximal end links the inner surface of described air flow duct (4) in the position of being longer than described predetermined distance d apart from the distance of described non-corona electrode.
Description
Technical field
The present invention relates to a kind of fluid drive unit, particularly a kind of device for displacement room air, room air refers to the air in living space, office or industrial premises here.The invention still further relates to a kind of air cleaning unit for removing particulate matter from gas, particularly a kind of device for purifying the air of a room.Particulate matter relates to the airborne particulates of any type comprising microorganism and virus in the context of the present invention.The invention still further relates to a kind of method of the air of displacement in space.
Background technology
The physics of closing with ion-drive wind facies has obtained very perfect foundation.Although the first document of ion-drive wind comes across 1709, the in-depth analysis first of this phenomenon is just carried out after 200 years nearly.Had many about ion-drive wind speed degree being used for various aerodynamics, heat transfer and other research of applying, all these application all can be benefited from and air velocity be maximized.The example of carrying out noiseless mass transfer in low flow velocity (being less than fan) electrostatic precipitator is disclosed in US4789801 (1988).
Along with the development of world population, technology and industry, quantity increases day by day and miscellaneous particulate matter (also comprising pathogenic microorganisms) is produced and is released in air.Therefore the quantity of disease and the number of times of illness outbreak are on the increase.The example of illness outbreak has the outburst of Ebola virus, aftosa and SARS infectious disease inter alia.Contact and the crowd being exposed to these pathogenic particles materials in air increase, and which results in disease propagation and propagate the further increase of risk.Therefore, air quality has special importance, is particularly infecting in the high environment of probability.The example of this environment is operating room, usually has the patient susceptible of open wound to contaminate imbedibility pathogenic particles material in situations in the surgery room.
Requirement (amount being namely present in the particulate matter in air must lower than the highest ranking determined) for air quality will increase further in future.
Be hospital to one of imbedibility pathogenic particles material and the most responsive segmentation field of the infection that caused by it, the disease of all kinds and bacterium collect at same place place and concentrate within the hospital.In order to obtain higher aeroscope, operating room is typically connected to air ventilation systems, and wherein air ventilation systems is equipped with and has high efficiency air cleaner, such as " High Efficiency Particulate Air (HEPA) " filter.Even this high efficiency particle air filter still has limited efficiency and functional mobility, and this have impact on its validity in practical situations both.Thus, the efficiency of this HEPA filter depends on the radiation that flow, pressure, flow velocity and heat maybe may exist except other factor.
By Nederlands Rijksinstituut voor Volksgezondheid en Milieu (RIVM, public health and research institute of environment country) show research to the situation of Holland in 2005, the patient entering Dutch hospital of 10% to 30% has the infection relevant to hospital, and wherein 30% to 40% is caused by imbedibility microorganism.
In addition, statistics shows, compared with other department, medical personnel has the highest to sick relevant absence from duty (no matter calculate or with frequency computation part) with sky.
Similarly, have in some countries the regulation that controls is carried out for the infection in school.A large amount of infections is all by airborne.Air cleaning unit will contribute to the risk of the infection be reduced in the building of a large amount of crowd massing.
US4689056A discloses a kind of air purifier using ion wind, and this air purifier comprises the feature in the preorder of claim 1.But the embodiment comprising needle electrode can produce ozone.US4689056A carries out teaching the generation of ozone by some embodiments can by using the sparking electrode of parallel wire form and making the voltage at sparking electrode place keep lower minimizing.
US4231766A discloses a kind of the two poles of the earth precipitator with the air stream that electric field produces.This device comprises electro-dissociator wire and carrys out ionized air.The document also teaches air stream by electro-dissociator wire relative to the placement of counterelectrode, ozone produces and the change of electro-dissociator electric current.In order to get rid of the possibility forming electric arc between electro-dissociator wire and accelerator plate, enough spacing must be kept between these components.
In order to reduce the risk of the infection particularly in hospital and school, need a kind of system of improvement, this system can remove particulate matter from the air space, particularly microorganism, and this system do not produce exceeded prescribed level ozone (by flow through the volume of the air circulation of this device 1,000,000/in units of the ozone that records), that is, wherein, the generation background noise produced by this system be low-down and ozone concentration lower than predetermined maximum permissible concentration value.Such as, according to the proposal amendment of federal food drug and cosmetic act, medicine and cosmetics bill, the maximum ozone concentration produced by electronic air cleaner and similar apparatus for household use is 0.050ppm.
Utility model content
The object of this invention is to provide a kind of fluid drive unit being configured for producing flowing in fluid of improvement, this device can use in air cleaning unit, to remove particulate matter from gas, this device overcomes at least one shortcoming mentioned above.
According to the present invention, this object is realized by the fluid drive unit being configured for flowing in generation fluid of the feature with claim 1.Implement advantageous embodiment of the present invention to be obtained by the measure mentioned in the dependent claims with other method.
According to the present invention, the fluid drive unit being configured for producing flowing in fluid comprises: the air flow duct with inner surface, and described air flow duct is configured to be suitable for the entrance of fluid stream from described fluid drive unit to output flow; Be arranged on the multiple corona electrodes in described air flow duct, wherein, each described corona electrode comprises the slender body with distal end and proximal end, and described distal end is provided with the end being configured to produce corona discharge.Described device also comprises the non-corona electrode in described corona electrode downstream.The end of described corona electrode is positioned at the position apart from described non-corona electrode preset distance.The proximal end of described slender body links the inner surface of described air flow duct in the position of being longer than described preset distance apart from the distance of described non-corona electrode.
It has been found that, in the existing fluid drive unit such as shown in CN101577397A, most of energy of flow is consumed by the structure of ducted corona electrode.In addition, being ionized of air molecule mainly between corona electrode and non-corona electrode, being ionized of air molecule of the adjacent sidewalls of pipeline, instead of the air molecule of pipeline central authorities thus.Therefore, the speed of the air stream of adjacent sidewalls is far above the speed of the air stream of pipeline central authorities.Therefore, the multistage flow flowing through pipeline obtaining expectation is needed.Feature of the present invention provides the structure of a kind of aerodynamic drag of the reduction had in air flow duct or the corona electrode of air drag.This makes it possible to provide a kind of fluid drive unit, and this fluid drive unit only needs a pair corona electrode/non-corona electrode to export to produce the sufficiently high flowing flowing through pipeline, and wherein pipeline has the length of reduction owing to only needing one-level.
In an embodiment of the present invention, slender body is shaft-like.In advantageous embodiment, slender body has straight line body axis.
In an embodiment of the present invention, through the end of described slender body and the straight line of proximal end and described inner surface angulation α, wherein, 15 ° of < α <90 °.To have been found that for the minimum length of pipeline the angle within the scope of this is best.
In an embodiment of the present invention, the end of corona electrode has the end of the central authorities pointing to air flow duct in the downstream of this end.This feature improves the ionization of the air molecule of air flow duct centre, therefore, the speed of the air stream of the centre of air flow duct increases.This makes the speed difference between the air stream of centre and the air stream of adjacent sidewalls reduce, thus allows to reduce maximum fluidity speed, and the flow flowing through device can not reduce.
In an embodiment of the present invention, described distal end comprises coupled structure, end structure is attached to described slender body.Be known in the art that, when metal ion emitter stage stands corona discharge in room air, the sign of deterioration and/or oxidation can be demonstrated and produce fine particles in several hours.This problem is general in the needle electrode formed by copper, stainless steel, aluminium and titanium.In the region of carrying out discharging or stand active gases material O
3and NO
xregion can find corrosion.All above-mentioned materials all can find NO
3ion, no matter emitter stage is positive pole or negative pole.Corona electrode can be made up of the noncorroding metal of such as tungsten or platinum and so on.But, when such electrode is formed by single-piece manufacture costly and be difficult to be processed into the electrode of the slender body had in intended shape.The feature of the present embodiment makes it possible to provide has low cost and the corona electrode with the slender body of superior corrosion resistance feature.Slender body can be made up of the conductive material of low cost, and the relatively little end of electrode can be made up of corrosion-resistant material.Coupled structure provides the electric conductivity of the needs between slender body and end.This feature allows the corona electrode providing end and slender body to be made up of different conductive materials further.
In an embodiment of the present invention, described air flow duct comprises the conducting loop-shaped element of a part for the inner surface defining described air flow duct, and described proximal end is attached to described ring-type element.These features allow manufacture one to comprise the structure of the corona electrode of all attachments, and this structure can be placed in air flow duct and only to need a terminal that all corona electrodes are connected to high-voltage power supply.This significantly reduces manufacturing cost.
In another embodiment, described conducting loop-shaped element has electricalresistivityρ, wherein, and 0.001 ohm meter < ρ <1000 ohm meter.The conducting element of high-resistance material can easily conduct electricity corona current.But this material provides pressure drop along the current path flowing through element.This material stops thus or limits initial sparking phenomenon.Conducting loop-shaped element can for being applied to the coating of the inner surface of air flow duct, and the example of this relatively high-resistance material comprises the polymer of other additive being filled with carbon or increasing electric conductivity, essential polymer, silicon, GaAs, indium phosphide and the carborundum conducted electricity.
In an embodiment of the present invention, the end of corona electrode is circularly arranged around the central axis of air flow duct.In advantageous embodiment, end is mutually equidistant diametrically.These features provide all right air stream flowing through air flow duct.
In embodiments of the present invention, described non-corona electrode is the ring-type element of a part for the inner surface defining described air flow duct.The non-corona electrode of annular has the air drag lower than the non-corona electrode of grid and thus provides the air stream better flowing through device.Non-corona electrode can for being applied to the form of the ring-type coating of the inner surface of air flow duct.
In one embodiment, described fluid drive unit also comprises the ionization structure be arranged in described air flow duct, the non-corona electrode of cylindrical shape that described ionization structure comprises a part for the inner surface defining described air flow duct and the center corona electrode with end, wherein, the upstream of the described cylindrical shape non-corona electrode of described end in described air flow duct is positioned in the cylinder axis place of the non-corona electrode of described cylindrical shape.It has been found that, the corona electrode with slender body in not ozoniferous situation in ionized air stream up to 95% particle.Be positioned in the combination of electrostatic filter in downstream, the particle that device will catch maximum 95%.The air cleaning unit being suitable for using within the hospital needs the particle of catching from air stream more than 95%.The feature of the present embodiment makes it possible to the ionization of particle to be increased to up to 99.99% and improves purification efficiency thus.This ionization structure is not almost to the adverse effect of air stream flowing through device.
In one embodiment, the non-corona electrode of described cylindrical shape and described non-corona electrode are identity element.This feature makes it possible to the length reducing pipeline.
In one embodiment, described multiple corona electrode and described center corona electrode are electrically coupled, and the end of described center corona electrode is positioned in the downstream of described multiple corona electrode and has the distance being at least described preset distance apart from described non-corona electrode in described air flow duct.
In one embodiment, the end of described corona electrode comprises the multiple conductor wires forming brush shape.Such corona electrode expects, to have better characteristic than the corona electrode of the type only with a sharp distal end in corrosivity.
Another object of the present invention is to provide a kind of method of improvement of carrying out fluid displacement in space and/or purifying air.The method is included in the space of building and provides a kind of and comprise the fluid drive unit of essential feature of the present invention and open air cleaning unit.
Will it is clear that the various aspects mentioned in present patent application can combine and separately can consider in divisional patent application.Other features and advantages of the present invention become obvious by from the following detailed description of carrying out by reference to the accompanying drawings, and wherein accompanying drawing shows each feature of the preferred embodiments of the present invention in an illustrative manner.
Accompanying drawing explanation
These and other side, characteristic and advantage of the present invention will based on following description and in conjunction with the accompanying drawings, Reference numeral representation class similar in the accompanying drawings like or suitable parts, and in the accompanying drawings:
Fig. 1 schematically shows the sectional view of the first embodiment of the present invention;
Fig. 2 schematically shows the side view of the first embodiment;
Fig. 3 schematically shows the side view of the second embodiment;
Fig. 4 schematically shows the sectional view of the 3rd embodiment;
Fig. 5 schematically shows the sectional view of the embodiment of corona electrode;
Fig. 6 schematically shows the sectional view of another embodiment of corona electrode;
Fig. 7 schematically shows the sectional view of the 4th embodiment;
Fig. 8 schematically shows the sectional view of the 5th embodiment;
Fig. 9 schematically shows the side view of the 4th and the 5th embodiment;
Figure 10 schematically shows the sectional view of the first embodiment of the air cleaning unit comprised according to fluid drive unit of the present invention;
Figure 11 schematically shows the side view of the embodiment shown in Figure 10; And
Figure 12 schematically shows the sectional view of the second embodiment of the air cleaning unit comprised according to fluid drive unit of the present invention.
Detailed description of the invention
In this patent, term " dusty gas stream " is understood to mean the gas flow with particulate matter imported to by the inlet opens of shell in shell.Term " Purge gas stream " refers to the gas flow of the exit opening leaving shell.Term " particulate matter " is understood to mean in this patent and is present in all particulate matters in gas or airborne particulates, comprises microorganism, bacterium and virus, but also comprises such as dust particle.Term " fluid " refers to any gaseous material.
Fig. 1 schematically shows the sectional view of the first embodiment according to fluid drive unit 2 of the present invention.Fluid drive unit 2 comprises shell, and this shell defines the air flow duct 4 of fluid drive unit.Air duct 4 is configured to be suitable for making gas flow 1 flow to outlet 4B from the entrance 4A of fluid drive unit 2.The gas flow flowing to entrance 4A represents with Reference numeral 1A.Reference numeral 1 represents and flows through the gas flow of air duct 4 and Reference numeral 1B represents from air flow duct 4 effluent air stream.
Fluid drive unit 2 comprises and is arranged on multiple corona electrode 6A in shell 4 and non-corona electrode 6B.Corona electrode 6A comprises the structure with shaft-like slender body 6A2 and end structure 6A1, and wherein shaft-like slender body 6A2 has distal end 61 and proximal end 62.End structure is arranged on distal end 61 place.End structure 6A1 has the pointed end being configured to produce corona discharge.Annular conductive member 6A3 to be arranged in shell 4 and to define a part of the inner surface 4C of the passage through shell 4.The proximal end 62 of slender body 6A2 is coupled to annular conductive member 6A3.Coupling can by clamping, welding or soldering realize.Annular conductive member 6A3 can comprise the opening of clamping proximal end 62.
Non-corona electrode 6B is the form of the ring-type element of the part of the inner surface 4C defining air flow duct 4.
Ring-type element 6A3 is coupled to the high-pressure stage 11A of the first high-voltage power supply 11.The non-corona electrode 6B of annular is coupled to the reference voltage pole 11B of the first high-voltage power supply 11.In the present embodiment, benchmark pole 11A is coupled to earthing or grounding means.Electrical potential difference between the high voltage pole 11A of the first high-voltage power supply 11 and reference voltage pole 11B in the scope of 8-25kV, preferably in the scope of 14-18kV.Reference voltage pole 11B is coupled to electrical grounding assembly.
Slender body 6A2 shown in Fig. 1 has straight line body axis.The straight line of the position of the inner surface of air duct is linked and this inner surface has angle [alpha] through end 6A1 and proximal end 62.This angle [alpha] can in the scope between 15 ° and 90 °.End 6A1 (being namely configured to the end of the corona electrode producing corona discharge) is positioned to apart from non-corona electrode predetermined distance d.Beeline between the surface of this distance and corona electrode and non-corona electrode is corresponding.Distance between the end of corona electrode and non-corona electrode is in the scope of 1-5cm.The straight line limited by the beeline between corona electrode and non-corona electrode has angle beta relative to the inner surface of pipeline.Relation between angle [alpha] and angle beta is limited by following equation: α <90 °-β/2.
If used, there is the corona electrode of straight line body axis, then the proximal end 62 of corona electrode by clamping through in the opening of annular conductive member 6A3, wherein, described opening along fluid flow direction relative to the angled α of inner surface.But if use the corona electrode with bend body axis, then described opening can perpendicular to inner surface.
The end structure 6A1 of corona electrode has longitudinal body axis.This longitudinal body axis tilts relative to gas flow and points to the center of the air in air flow duct in the end downstream of corona electrode.In other words, the corona electrode that end is not positioned at the center of air flow duct has the end pointing to air flow duct central authorities in the downstream of this end.In a first embodiment, the pointing direction of end is corresponding with the angle [alpha] of the straight line body axis of slender body 6A2.Experiment shows, the end pointing to the center position of air flow duct 4 improves the ionization of the air molecule of the center of air flow duct.Therefore, the speed flowing through the air stream of the middle body of air stream increases, and the difference between the speed of the air stream of the speed along the air flow portion of the inner surface 4C of air flow duct 4 and the central portion office at air stream reduces.This makes it possible to the maximum speed reducing air stream when not reducing throughput or the flow of the air-flow flowing through air flow duct 4.If the longitudinal axis parallel of end structure is in air stream, the central portion office at air flow duct is produced less ion.Therefore, will be accelerated smaller at the air of the central portion office of pipeline.
Fig. 2 shows the side view of the embodiment shown in Fig. 1, and wherein, Fig. 1 is the sectional view along the line I-I cutting in Fig. 2.This device is observed along the direction being parallel to the air stream flowing through this device from entrance side.This embodiment comprises four needle-like corona electrode 6A be positioned at by inner surface 4C in circular pipe 4.Described four needle-like corona electrode 6A circularly arrange around the central axis of pipeline.The distal end of electrode has the identical radial distance in center apart from circular pipe 4.Preferably, the mutually equidistant diametrically and cross section (namely around the center of air duct 4) along pipeline of the end of corona electrode 6A is uniformly distributed diametrically.Fig. 3 shows the embodiment of the device with the needle-like corona electrode 6A that eight are circularly arranged.The quantity of electrode depends on the size of pipeline.
It should be pointed out that in the above-described embodiments, the slender body of corona electrode is attached to the inner surface 4C of the annular conductive member 6A3 be positioned in shell 4, and wherein, the inner surface 4C of element 6A3 defines the inner surface of pipeline simultaneously.But, also it is possible that shell 4 comprises the opening for making the outside of the slender body of electrode from the inner side of shell 4 to shell pass.In the case of the latter, the proximal end of slender body is electrically coupled to the high-voltage power supply of shell 4 outside.
Fig. 4 schematically shows the sectional view of the 3rd embodiment.The difference of this embodiment and the first embodiment is, slender body be not have straight line body axis body but there is the body of bend body axis.In the diagram, the straight line linking the position of the inner surface of air flow duct through end 6A1 and proximal end 62 represents with Reference numeral 63.It should be pointed out that the body axis of slender body can have any curvature, as long as the end of electrode has the beeline apart from non-corona electrode 6B.In the third embodiment, the body axis at proximal end 62 place is perpendicular to the shell 4 of pipeline.This allows to use the vertical opening through shell and allows the proximal end 62 of slender body through this opening and the slender body of housing exterior is connected to high-voltage power supply 11.In a first embodiment, angling hole must be arranged to come through linear slender body.
Corona electrode can be made up of single-piece.In this case, the lateral part of distal end 61 to be slender body 6A2 along the body axis of electrode be transformed into end structure.Fig. 5 schematically shows the sectional view of the embodiment of corona electrode, and wherein this corona electrode is made up of two parts, i.e. slender body part 6A2 and end section 6A1.In this case, two kinds of dissimilar conductive materials can be used to assemble corona electrode.Slender body part can be made up of material (such as metal, alloy or conductive plastics) that is cheap and that be easy to manufacture and process.End section can be made up of the corrosion-resistant material of hard (such as tungsten), maybe can comprise the core of susceptibility-to-corrosion material (such as iron), and core is covered with platinum coating or corona discharge environment is had to the coating of other material any of tolerance.In order to end section 6A1 is coupled to slender body part 6A2, the distal end of slender body and end section comprise compatible coupled structure.Fig. 5 shows the hole in the distal end of slender body 6A2.The ennation of end section inserts and clamping in this hole.Those skilled in the art know other available coupled structure.In Figure 5, end section 6A1 has acicular texture.In figure 6, end section 6A1 ' is made up of the carbon fiber of the bunchy forming brush shape.JP2008112714 discloses and utilizes the carbon fiber of bunchy to be formed in the end of the corona electrode used in ion wind generator.
Fig. 7 schematically shows the sectional view of the 4th embodiment of fluid drive unit.The fluid drive unit before described has the charge efficiency in the scope of 60-80%.This means that the particulate of the 60-80% in air-flow is charged and the particulate of 40%-20% is not charged.This means that, when fluid drive unit is used in the front of electrostatic filter, the particulate of the 20-40% in air stream can not be caught by electrostatic filter.4th embodiment improves charge efficiency, wherein, in fluid stream up to 99.9% particulate charged.4th embodiment comprises air-flow generating unit section 6 and ionization portion section 7, is both arranged in shell 4.The air-flow generating unit section 6 comprising corona electrode 61 and the non-corona electrode 6B of annular is described in a first embodiment.Ionization portion section 7 is arranged on the downstream of air-flow generating unit section in shell 4.Ionization portion section 7 comprises center corona electrode 7A and cylindrical shape or annular non-corona electrode 7B.The inner surface of the non-corona electrode 7B of cylindrical shape defines a part of the inner surface 4C of air flow duct.The end of center corona electrode 7A is positioned on the cylinder axis of annular non-corona electrode 7B.Center corona electrode 7A is coupled to the high voltage pole 12A of the second high-voltage power supply 12.The non-corona electrode 7B of annular is coupled to the reference voltage pole 12B of the second high-voltage power supply 12.In the present embodiment, benchmark pole 12A is coupled to earthing or grounding means.Electrical potential difference between the high voltage pole 12A of the second high-voltage power supply 12 and reference voltage pole 12B in the scope of 8-25kV, preferably in the scope of 14-18kV.Reference voltage pole 12B is coupled to electrical grounding assembly.
It has been found that, above-mentioned ionization portion section 7 has the charge efficiency of 99.9%, and above-mentioned fluid displacement portion section 6 has the raw characteristic of optimum gas miscarriage.By applying air-flow generating unit section 6 and ionization portion section 7 in same pipeline, obtain the fluid drive unit with optimal flow characteristic and charge efficiency, thus make fluid drive unit be suitable for being used in air cleaning unit.It should be pointed out that the order of air-flow generating unit section 6 and ionization portion section 7 does not almost affect charge efficiency and generation air-flow.It should also be noted that the first and second high-voltage power supplies can be same voltage sources.So the center corona electrode 7A of the corona electrode 6A of air-flow generating unit section and ionization portion section is coupled to same high voltage pole.
Fig. 8 schematically shows the sectional view of the 5th embodiment, and wherein, air-flow generating unit section and ionization portion section are combined into portion's section.This can reduce the length of pipeline.In this embodiment, the ring-type element 6A3 that the corona electrode 6A that the center corona electrode 7A of ionization portion section is coupled to air-flow generating unit section is coupled to.In addition, the non-corona electrode 6B of the cylindrical shape non-corona electrode 7B gentle stream generating unit section of ionization portion section is identity element.The end of the center corona electrode 7A of ionization portion section is positioned in the distance, delta place in the end downstream of the corona electrode 6A of air-flow generating unit section in the duct.The corona electrode of ionization portion section has at least distance d relative to public non-corona electrode 6B, 7B.The central axis 13 of pipeline 4 have the end downstream Δ max place of position at the corona electrode 6A of air-flow generating unit section of distance d relative to non-corona electrode 6B, 7B.It has been found that, when distance between the end and public non-corona electrode of the corona electrode of ionization portion section is greater than the distance d between the end of the corona electrode of air-flow generating unit section and public non-corona electrode, the generation of ozone can be reduced further when not reducing charge efficiency.Fig. 9 schematically shows the side view of the 4th and the 5th embodiment, and wherein Fig. 8 is the sectional view along the line VII-VII cutting in Fig. 9.This device is observed along the direction being parallel to the air stream flowing through device from entrance side.The end of center corona electrode is positioned on the central axis 13 of tubular pipeline.
It should also be noted that, in the 5th embodiment, the tube-like envelope 4 of air flow duct is made up of three parts.The annular conductive member 6A3 that Part I 41 is coupled in for corona electrode 6A.Part II 42 is annular conductive member 6B, 7B of forming public non-corona electrode.Part III 43 is the ring-type element of non-conducting material.
Annular conductive member 6A3 and 6B can be made up of the conductive material of any type comprising metal and alloy.But conducting loop-shaped element can have electricalresistivityρ, wherein, 0.001 ohm meter < ρ <1000 ohm meter.The advantage of the conducting element of high-resistance material is, it is not when along easily conduct electricity corona current when the large pressure drop of current path.But material provides large pressure drop due to electric spark along the current path flowing through element.Material stops or limits initial sparking phenomenon thus.The example of relatively high-resistance material is the polymer being filled with carbon, the Merlon that such as carbon is filled.The advantage of the plastics that carbon is filled is, allows to produce conducting element by injection molding process or formed by extrusion and tension process.Annular conductive member 6A3 and annular non-corona electrode 6B can have identical size.This makes it possible to produce two kinds of elements by identical mould.Opening is produced, so that the proximal end of the slender body of clamping corona electrode and provide the electrical connection between electrode and ring-type element by drilling through hole in annular conductive member.
Conducting loop-shaped element 6A3 and 6B also can be the form of the conductive cladding of the inner surface being applied to air flow duct.Conductive cladding can be the conductive cladding of any type, but the coating with the relatively high resistivity ρ in the scope of 0.001 ohm meter-1000 ohm meter has above-mentioned advantage.The example of this relatively high-resistance material comprises the polymer of other additive being filled with carbon or increasing electric conductivity, essential polymer, silicon, GaAs, indium phosphide and the carborundum conducted electricity.
Figure 10 and Figure 11 schematically shows sectional view and the side view of the first embodiment of the air cleaning unit comprised according to fluid drive unit of the present invention.Air cleaning unit 21 comprises and is arranged on ionization level in public shell 14 67 and collects level 8.Shell 14 has entrance 14A and outlet 14B.Ionization level 67 comprises multiple fluid drive unit as shown in Figure 8.Collecting part 8 is the form of electrostatic filter.In principle, the electrostatic filter of any type can be used to be trapped in the ionization particulate of being ionized in ionization level 67.In the illustrated embodiment, collect part 8 and comprise metallic plate stacked group 8A, this metallic plate stacked group 8A has space between each metallic plate.Space between metallic plate defines passage, flows through plate stacked group to make gas flow along the surface of plate.Plate in plate stacked group 8A is alternately connected to high voltage pole 10A and the benchmark pole 10B of high-voltage power supply 10.The plate being coupled to high voltage pole 10A is referred to as high voltage plate, and the plate being coupled to benchmark pole 10A is referred to as reference voltage plate.In this embodiment, benchmark pole 10B ground connection.Electrical potential difference between high voltage pole 10A and benchmark pole 10B in the scope of 4-20kV, preferably in the scope of 4-10kV, more preferably in the scope of 4-8kV.The distance formed between the adjacent plate of two of space depend on air cleaning unit application and in the scope of 4-20mm.Space is along the distance dependent system between the speed and two adjacent panels of the minimum length of airflow direction and the electrical potential difference used, air stream.
Plate stacked group 8A can be the form comprising the detachable of stacked plate or removable unit.This unit (not shown) comprises further for high voltage plate being coupled to the high voltage terminal of high voltage pole 10A and being used for datum plate to be coupled to the reference voltage terminal of benchmark pole 10B.Detachable unit makes it possible to periodically clean plate stacked group, such as, clean with hand under a tap or clean in dish-washing machine.
In one embodiment, the surface of plate is provided with antibacterial coating to kill the microorganism retained on the surfaces of the board.In another embodiment, the surface of plate is provided with dust-proof coating, so that plate stacked group 8A's is clean.Coating can be antibacterial coating and dust-proof coating.
Comprise and running as follows according to the air cleaning unit of fluid drive unit of the present invention.Dusty gas appears in the space of ionization part 67.Electrical potential difference is applied between corona electrode 6A, 7A and non-corona electrode 6B.When electrical potential difference between two adjacent electrodes is enough high, corona discharge will be there is around the end of corona electrode 6A, 7A.The ionization of neighbouring molecule causes having the generation with the ionized air molecule of the polarity identical polar of charged end.Subsequently, end produces the ion cloud with like charges and repels, and ion cloud is expanded immediately because of the repulsive force between ion self.Under the influence of an applied electric field, ion is accelerated from corona electrode 6A along the direction of non-corona electrode 6B.During ion motion, will collide between ion and neutral gas molecule, this can produce the kinetic energy transmission between ion and molecule.Like this, the gas in ionization part is forced to and moves from corona electrode 6A to the direction of non-corona electrode 6B.Here it is so-called corona wind, it causes the gas flow flowing through air flow duct 4 and the gas flow therefore caused from the inlet opens 14A of public shell 14 to exit opening 14B.In addition, ionizing particle is adsorbed in the particulate matter in intake air and makes described particle charge.Move in direction along from electric field to non-corona electrode 6B by charged particle.Gas flow depends on the electrical potential difference applied by high-voltage power supply 11.The gas flow with ionization particulate will flow through annular non-corona electrode 6B and the ionization particulate of only fraction in gas flow will be retained by non-corona electrode 6B.Subsequently, there is the space between the plate in the empty airflow passes plate stacked group 8A of ionization particulate.The ionization particulate generally with positive charge is connected to the plate repulsion of the voltage pole 10A (having maximum potential) of high-voltage power supply, and the plate being connected to the pole 10B (having lowest electric potential) of voltage source attracts.When flowing through the space between two plates, the particulate with positive charge moves to the plate with lowest electric potential and finally will be retained by described plate.Similarly, the airborne particulates with negative electrical charge repel by the plate with lowest electric potential and will attracted to the plate with maximum potential and be retained by the plate with maximum potential.Plate stacked group 8A is to run with the similar mode of plate stacked group of usually known precipitator.
In embodiment shown in Figure 10, ionization level 67 comprises the fluid drive unit that four have shorter tube-like envelope 4.Figure 11 schematically shows and carries out from the entrance 14A of air cleaning unit 21 four fluid drive units observing.Fluid drive unit is arranged to 2 × 2 element arrays.Four needle-like corona electrode 6A circularly arrange around the central axis 13 of tube-like envelope 4.Preferably, the mutually equidistant diametrically and center around tube-like envelope 4 of the end of corona electrode 6A is uniformly distributed diametrically.The end of corona electrode 6A is circularly located and has certain distance relative to the inner surface of tube-like envelope 4 in tube-like envelope 4.Tube-like envelope 4 is made up of three parts shown in Fig. 8.First next door 20A and the second next door 20B is arranged between the outside of tube-like envelope 4 of fluid drive unit, to prevent air between fluid drive unit from exporting to inlet return.First and second next doors can be made up of the conductive material of such as metal.Like this, all corona electrodes are electrically coupled to high voltage pole 11A by the first next door, and all non-corona electrodes are electrically coupled to benchmark pole 11B by the second next door.
Each fluid drive unit is by a certain amount of air stream flowing through tube-like envelope from the inlet to the outlet of generation.In one embodiment, tube-like envelope 4 defines pipeline that radius is 69mm and comprises 9 corona electrode 6A and central electrode 7A.Distance between the end of 9 corona electrodes and non-corona electrode is about 25mm.When the electrical potential difference of 16kV is applied to corona electrode and non-corona electrode, single fluid drive unit can produce 10-15m
3the air stream of/h.The end of central electrode 7A is positioned in the 2-7mm place, end downstream of 9 corona electrodes.The quantity being applied to the fluid drive unit be arranged in parallel in public shell 14 will determine the capacity of air cleaning unit.Such as, there is 250m
3the air cleaning unit of the capacity of/h needs about 20 tube elements.
Figure 12 schematically shows the sectional view of the second embodiment of the air cleaning unit comprised according to fluid drive unit of the present invention.The difference of the first embodiment of this embodiment and air cleaning unit is, annular non-corona electrode is replaced by plane grid 6B ', and this plane grid 6B ' has opening and flows through to make air stream.Fluid drive unit 6 only comprises corona electrode 6A that is mutually equidistant diametrically and that distribute along the sectional uniform of the inner surface of tube-like envelope 4 further.The fluid drive unit with plane grid electrode has the charge efficiency of 95%.Namely the center corona electrode of it has been found that does not improve charge efficiency and does not improve the flowing flowing through fluid drive unit yet.Therefore, center corona electrode is removed.For some application of air cleaning unit, the purification efficiency of 95% is enough.
Shown in Figure 10 there are four tubular fluid driving devices and each tubular fluid driving device has quantity is that the air cleaning unit of the corona electrode of five is only selected as illustration of example of the present invention.The parameter of the air cleaning unit of the capacity such as needed, the sectional dimension and electrical potential difference and so on of tube element is by the quantity of the electrode in the quantity of decision fluid drive unit and each fluid drive unit.Replace the tube-like envelope with circular cross-section, also can use the tube-like envelope having and have angular cross section.
Corona electrode 6A can be the form of carbon fiber bar.This carbon beam is the compound of the binding agent (being such as formed as bar by pultrusion) of carbon fiber and such as epoxy resin, vinyl ester resin or alkyd resin.It has been found that the material of the carbon fiber bar being suitable for using in kite also can be used as corona electrode.In this case, slender body and end are manufactured from the same material.In description above, the end of corona electrode is sharp-pointed.Due to the adverse circumstances of the corona region around end, the form of end changes in time.Therefore, the end of corona electrode can need not be the distal end of slender body for the part adjacent to slender body.End can have any form thus, namely sharply, bending, circular, and can be the plane distal end of slender body.During use, plane distal end will become the end of curved surface.
It should also be noted that the non-corona electrode of above-mentioned annular need not be the form of the continuous loop of conductive material.The non-corona electrode of annular also can be the form of two or more conducting elements, and wherein, each element defines a part for the annular inner surface of air flow duct.Two or more conducting elements described are electrically coupled to same potential and all have the minimum range d of the end apart from corona electrode.Two or more conducting elements described must be considered as a non-corona electrode of annular together.
Fan is not needed to produce the flowing of air according to fluid drive unit of the present invention.This makes this device very quiet and is thus applicable to prevent room or the space of background noise, the room in such as classroom, hospital, meeting room and bedroom.In addition, comprise and make it possible to provide Mobile air purifying device according to the air cleaning unit of fluid drive unit of the present invention and this wheeled apparatus can be arranged in the room of air needs purification.Do not need in described room, have additional entrance and exit facility.Technology of the present invention makes it possible to the fluid drive unit being suitable for consumption market providing mode that can be similar with the domestic electric fan with propeller type blades to use.Consumer carry out the position of circulating by the hope air this device can be placed in room, and can be placed into the position of wishing that air is cleaned when air cleaning unit.
What above describe obviously can perform separately for implementing measure of the present invention or perform concurrently or perform with different combinations, or supplement with further step if appropriate: in this case, embodiment needs to carry out according to the application of air cleaning unit.The invention is not restricted to shown embodiment.Can make a change when not departing from thought of the present invention.
Claims (16)
1. one kind is configured for the fluid drive unit (2) producing flowing in fluid, and described fluid drive unit comprises:
-there is the air flow duct (4) of inner surface (4C), described air flow duct (4) is configured to be suitable for the entrance (4A) of fluid stream (1A, 1B) from described fluid drive unit to outlet (4B) flowing;
-be arranged on multiple corona electrodes (6A) in described air flow duct, wherein, each described corona electrode comprises the slender body (6A2) with distal end (61) and proximal end (62), and described distal end is provided with the end (6A1) being configured to produce corona discharge; And
-be positioned at the non-corona electrode (6B) in described corona electrode downstream,
Wherein, the end (6A1) of described corona electrode (6A) is positioned at the position apart from described non-corona electrode (6B) preset distance (d), and described proximal end links the inner surface of described air flow duct (4) in the position of being longer than described preset distance apart from the distance of described non-corona electrode.
2. fluid drive unit according to claim 1 (2), wherein, described slender body is shaft-like.
3. fluid drive unit according to claim 1 (2), wherein, described slender body has straight line body axis.
4. fluid drive unit according to claim 1 (2), wherein, through straight line and the described inner surface angulation α of described end (6A1) and proximal end (62), wherein, 15 ° of < α <90 °.
5. fluid drive unit according to claim 1 (2), wherein, described distal end (61) comprises coupled structure, end structure is attached to described slender body.
6. fluid drive unit according to claim 5 (2), wherein, described end structure and slender body are made up of different conductive materials.
7. fluid drive unit according to claim 1 (2), wherein, described air flow duct comprises the conducting loop-shaped element (6A3) of a part for the inner surface defining described air flow duct, and described proximal end (62) is attached to described ring-type element.
8. fluid drive unit according to claim 7 (2), wherein, described conducting loop-shaped element has electricalresistivityρ, wherein, 0.001 ohm meter < ρ <1000 ohm meter.
9. fluid drive unit according to claim 7 (2), wherein, described conducting loop-shaped element is the coating at the inner surface place of described air flow duct.
10. fluid drive unit according to claim 1 (2), wherein, described non-corona electrode is the ring-type element of a part for the inner surface defining described air flow duct.
11. fluid drive units according to claim 1 (2), wherein, the ring-type coating at the inner surface place of described air flow duct defines described non-corona electrode.
12. fluid drive units according to claim 1 (2), wherein, described fluid drive unit also comprises the ionization portion section be arranged in described air flow duct, described ionization portion section comprises the non-corona electrode of cylindrical shape of a part for the inner surface defining described air flow duct and has the center corona electrode of end, wherein, the upstream of the described cylindrical shape non-corona electrode of described end in described air flow duct is positioned in the cylinder axis place of the non-corona electrode of described cylindrical shape.
13. fluid drive units according to claim 12 (2), wherein, the non-corona electrode of described cylindrical shape and described non-corona electrode (6B) are identity element.
14. fluid drive units according to claim 12 (2), wherein, described multiple corona electrode (6A) and described center corona electrode (7A) are electrically coupled, and the end at described center corona electrode (7A) is positioned in the downstream of described multiple corona electrode (6A) and has the distance being at least described preset distance (d) apart from described non-corona electrode (6B) in described air flow duct.
15. fluid drive units according to claim 1 (2), wherein, the end of described corona electrode comprises the multiple conductor wires forming brush shape.
16. fluid drive units (2) according to any one of claim 1-15, comprise the electrostatic filter being positioned at described non-corona electrode (6B) downstream further.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2008735 | 2012-05-01 | ||
| NL2008735A NL2008735C2 (en) | 2012-05-01 | 2012-05-01 | Fluid displacement device. |
| PCT/NL2013/050324 WO2013165242A1 (en) | 2012-05-01 | 2013-05-01 | Fluid displacement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204380854U true CN204380854U (en) | 2015-06-10 |
Family
ID=48468717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201390000446.3U Expired - Lifetime CN204380854U (en) | 2012-05-01 | 2013-05-01 | Fluid drive unit |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2844393B1 (en) |
| CN (1) | CN204380854U (en) |
| NL (1) | NL2008735C2 (en) |
| WO (1) | WO2013165242A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801952A (en) * | 2017-03-30 | 2017-06-06 | 谢红卫 | The indoor electrostatic air cleaning equipment of plasma and operation method |
| US10219364B2 (en) | 2017-05-04 | 2019-02-26 | Nxp Usa, Inc. | Electrostatic microthruster |
| US10236163B1 (en) | 2017-12-04 | 2019-03-19 | Nxp Usa, Inc. | Microplasma generator with field emitting electrode |
| CN111094031A (en) * | 2017-09-13 | 2020-05-01 | 法雷奥空调***有限责任公司 | Vehicle air conditioning system outflow unit |
| CN113543887A (en) * | 2018-10-19 | 2021-10-22 | 1-纳米有限公司 | Particle collector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2908067B1 (en) | 2014-02-18 | 2022-04-13 | Blueair AB | Air purifier device with coupling mechanism |
| EP2908068B1 (en) | 2014-02-18 | 2021-03-31 | Blueair AB | Air purifier device with fan duct |
| EP2908064B1 (en) * | 2014-02-18 | 2020-02-12 | Blueair AB | Air purifier device with ionizing means |
| DE102018201053A1 (en) * | 2018-01-24 | 2019-07-25 | BSH Hausgeräte GmbH | Filter unit for air cleaning device |
| SE543018C2 (en) * | 2018-03-22 | 2020-09-29 | Cabinair Sweden Ab | Ionizing arrangement |
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| US4231766A (en) | 1978-12-11 | 1980-11-04 | United Air Specialists, Inc. | Two stage electrostatic precipitator with electric field induced airflow |
| US4689056A (en) * | 1983-11-23 | 1987-08-25 | Nippon Soken, Inc. | Air cleaner using ionic wind |
| US4789801A (en) | 1986-03-06 | 1988-12-06 | Zenion Industries, Inc. | Electrokinetic transducing methods and apparatus and systems comprising or utilizing the same |
| JPH11342350A (en) * | 1998-06-01 | 1999-12-14 | Sharp Corp | Air cleaner |
| JP4317699B2 (en) * | 2003-02-18 | 2009-08-19 | 株式会社キーエンス | Static eliminator and desorption unit for static eliminator |
| US7638104B2 (en) * | 2004-03-02 | 2009-12-29 | Sharper Image Acquisition Llc | Air conditioner device including pin-ring electrode configurations with driver electrode |
| DE602004012896T2 (en) * | 2004-04-22 | 2009-04-02 | Techin Ag | METHOD AND DEVICE FOR THE ELECTROSTATIC DEPOSITION OF PARTICLES IN THE EXHAUST OF INTERNAL COMBUSTION ENGINES |
| JP2008112714A (en) * | 2006-10-05 | 2008-05-15 | Vector:Kk | Ion wind generator |
| CN101577397B (en) * | 2009-06-04 | 2012-05-23 | 西安交通大学 | Device for exciting high-speed and large-area ionic wind |
| NL2003259C2 (en) * | 2009-07-22 | 2011-01-25 | Univ Delft Tech | Method for the removal of a gaseous fluid and arrangement therefore. |
-
2012
- 2012-05-01 NL NL2008735A patent/NL2008735C2/en active
-
2013
- 2013-05-01 CN CN201390000446.3U patent/CN204380854U/en not_active Expired - Lifetime
- 2013-05-01 EP EP13723999.2A patent/EP2844393B1/en active Active
- 2013-05-01 WO PCT/NL2013/050324 patent/WO2013165242A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801952A (en) * | 2017-03-30 | 2017-06-06 | 谢红卫 | The indoor electrostatic air cleaning equipment of plasma and operation method |
| US10219364B2 (en) | 2017-05-04 | 2019-02-26 | Nxp Usa, Inc. | Electrostatic microthruster |
| CN111094031A (en) * | 2017-09-13 | 2020-05-01 | 法雷奥空调***有限责任公司 | Vehicle air conditioning system outflow unit |
| US10236163B1 (en) | 2017-12-04 | 2019-03-19 | Nxp Usa, Inc. | Microplasma generator with field emitting electrode |
| CN113543887A (en) * | 2018-10-19 | 2021-10-22 | 1-纳米有限公司 | Particle collector |
Also Published As
| Publication number | Publication date |
|---|---|
| NL2008735C2 (en) | 2013-11-04 |
| WO2013165242A1 (en) | 2013-11-07 |
| EP2844393B1 (en) | 2021-07-07 |
| EP2844393A1 (en) | 2015-03-11 |
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