GB2444870A - Ion generating component, ion generating unit and ion generating apparatus - Google Patents
Ion generating component, ion generating unit and ion generating apparatus Download PDFInfo
- Publication number
- GB2444870A GB2444870A GB0804305A GB0804305A GB2444870A GB 2444870 A GB2444870 A GB 2444870A GB 0804305 A GB0804305 A GB 0804305A GB 0804305 A GB0804305 A GB 0804305A GB 2444870 A GB2444870 A GB 2444870A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ion generation
- electrode
- linear electrode
- generation component
- ground electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims description 32
- 150000002500 ions Chemical class 0.000 description 87
- 229920005989 resin Polymers 0.000 description 21
- 239000011347 resin Substances 0.000 description 21
- 230000005684 electric field Effects 0.000 description 8
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 6
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 210000002381 plasma Anatomy 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T23/00—Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
Provided are an ion generating component, an ion generating unit and an ion generating apparatus, which do not permit fingers to easily touch a liner electrode. An ion generating component (4) is provided with an insulating substrate (41), a linear electrode (45) and a grounding electrode (42). The insulating substrate (41) includes a main body section (41a) to which the linear electrode (45) is attached, with the tip portion of the linear electrode (45) protruded. The ion generating component also includes two extending sections (41b, 41c), which extend from the main body section (41a) by being separated from the linear electrode (45) and has the grounding electrode (42) formed thereon, on the both sides of the tip portion of the linear electrode (45). The tips of the two extending sections (41b, 41c) are connected.
Description
DESCRI PTION
ION GENERATION COMPONENT, ION GENERATION UNIT, AND.
ION GENERATION DEVICE
Technical Field
The present invention relates to ion generation components, ion generation units, and ion generation devices, and more particularly relates to an ion generation component including an insulation substrate, a linear electrode, and a ground electrode, an ion generation unit, and an ion generation device.
Background Art
In general, an ion generation device disclosed in Patent Document 1 is known. Specifically, as shown in an exploded perspective view of Fig. 7, an ion generation device 101 includes a ground electrode 142 and a high-.
voltage electrode 143 which are arranged on an insulation substrate 141, an insulation film 144 formed on a surface of the ground electrode 142, and a liner electrode 145. The insulation substrate 141 has a recessed portion 141a formed by cutting out one side thereof. A base end of the linear electrode 145 is soldered to the high-voltage electrode 143 and a tip end of the linear electrode 145 projects from the recessed portion 141a.
In the known ion generation device 101, a finger may enter the device from the recessed portion 141a, and may touch the linear electrode 145. Since a large voltage is applied to the linear electrode 145 so that a strong electrolysis is generated, it is not preferable that a finger touches the linear electrode 145.
Patent Document 1: Japanese Unexamined Patent Application Publication No. 2005-63827
Disclosure of Invention
An object of the present invention is to provide an ion generation component, an ion generation unit, and an ion generation device, in which a finger does not easily touch a linear electrode.
According to a first invention, there is provided an ion generation component including an insulation substrate, a linear electrode, and a ground electrode. The insulation substrate includes a body portion on which the linear electrode is arranged so that a tip end of the linear electrode projects from the body portion, and two extension portions which extend from the body portion so as to be spaced away from the linear electrode sandwiched therebetween and on which the ground electrode is arranged.
Tip ends of the two extension portions are connected to each other.
According to the ion generation component described above, since the tip ends of the two extension portions are connected to each other, the linear electrode is prevented from being touched by a finger. Consequently, safety of the ion generation component is improved.
According to the first invention, the ground electrode formed on the two extension portions is preferably continuous at the tip ends of the two extension portions.
Since the ground electrode is continuous at the tip..
ends of the two extension portions, an electric field is likely to be generated in a concentrated manner between the ground electrode and the linear electrode. Consequently, the ion generation component efficiently generates ions.
According to a second invention, there is provided an ion generation component including an insulation substrate, a linear electrode, and a ground electrode. The insulation substrate includes a body portion on which the linear electrode is arranged so that a tip end of the linear electrode projects from the body portion, and two extension portions which extend from the body portion so as to be spaced away from the linear electrode sandwiched therebetween and on which the ground electrode is arranged.
A distance between tip ends of the two extension portions is smaller than a distance between other portions of the two extension portions. The distance between the tip ends of the two extension portions is preferably 3 mm or less.
According to the ion generation component described above, since the distance between the tip ends of the two extension portions is small, the linear electrode is prevented from being touched by a finger. Consequently, safety of the ion generation component is improved.
In the first and second inventions, a diameter of the linear electrode is preferably 100.Lm or less.
Since the thin linear electrode having a diameter of im or less is used, electrons are likely to be concentrated in the tip end of the linear electrode, and therefore, an intense electric field is likely to be generated.
In the first and second inventions, an insulation film is preferably formed on a surface of the ground electrode.
Since the surface of the ground electrode is covered with the insulation film, an effect of suppressing generation of ozone is attained with a negligible amount of change of generation of negative ions.
In the first and second inventions, the insulation film is preferably formed on the surface of the ground electrode except for a portion of the ground electrode corresponding to the tip end of the linear electrode.
Since the tip end of the ground electrode is not covered with the insulation film, a current leakage is generated between the ground electrode and the linear electrode, and therefore, traces of ozone is generated along with ions.
In the first and second inventions, the ground electrode is preferably a resistive element.
The ground electrode is formed of a resistive element such as a ruthenium oxide resistor or a carbon resistor.
Even when the linear electrode contacts to the ground electrode, since the ground electrode is a resistive element, heat generation due to a short circuit is suppressed. In particular, ruthenium oxide is the preferable material since ruthenium oxide does not cause migration even when an
intense electric field is applied thereto.
The first and second inventions are applicable to the following ion generation unit. Specifically, there is provided an ion generation unit including the ion generation component according to any one of Claims 1 to 8 further including a high-voltage electrode which is arranged on the insulation substrate and on which the linear electrode is to be arranged and, a first terminal which is connected to the high-voltage electrode and which has a fitting portion into which a first wire lead is fitted, a second terminal which is connected to the ground electrode and which has a fitting portion into which a second wire lead is fitted, and a case in which the ion generation component and the first terminal and the second terminal are accommodated. The first and second invention is applicable to the following ion
S
generation device. Specifically, there is provided an ion generation device including the ion generation component according to any one of Claims 1 to 8, and a high-voltage power supply which generates a negative voltage.
The ion generation unit is applicable to the following ion generation device. Specifically, there is provided an ion generation device including a high-voltage power supply which has a first and second wire leads which are fitted into first and second terminals, respectively and which generates a negative voltage, and the ion generation unit according to Claim 9.
Effects of the Invention According to an ion generation component, an ion generation unit, and an ion generation device of the present invention, since tip ends of two extension portions are connected to each other or a distance between the tip ends of the two extension portions is small, a linear electrode is not easily touched by a finger. Consequently, safety of the ion generation component, the ion generation unit, and the ion generation device is improved.
Brief Description of Drawings
Fig. 1 is an exploded perspective view of an ion generation device according to a first embodiment.
Fig. 2 is a perspective view showing an appearance of the ion generation device.
Fig. 3 is a plan view showing an ion generation component included in the ion generation device of Fig. 1.
Fig. 4 is a plan view showing an ion generation component according to a second embodiment.
Fig. 5 is a plan view showing an ion generation component according to a third embodiment.
Fig. 6 is a plan view showing another ion generation component according to the third embodiment.
Fig. 7 is an exploded perspective view showing an ion generation device in the related art.
Best Modes for Carrying Out the Invention Embodiments of an ion generation component, an ion generation unit, and an ion generation device of the invention will be described hereinafter with reference to the accompanying drawings.
First Embodiment Fig. 1 is an exploded perspective view showing an ion generation device 1, and Fig. 2 is a perspective view showing an appearance of the ion generation device 1. As shown in Fig. 1, the ion generation device 1 includes a lower resin case 2, an upper resin case 3, an ion generation component 4, a first terminal 5a, a second terminal 5b, wire leads 7 and 8, and a high-voltage power supply (not shown).
The lower resin case 2, the upper resin case 3, the ion generation component 4, the first terminal 5a, and the
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second terminal 5b constitute an ion generation unit.
The lower resin case 2 has an air inlet 21 provided in a side wall 2a which is one end of the lower resin case 2, and has an air outlet 22 provided in a side wall 2b which is the other end of the lower resin case 2. Furthermore, the lower resin case 2 has a retaining arm 23 provided in a side wall 2c which is a front end of the lower resin case 2.
The upper resin case 3 has an air inlet (not shown) provided in a side wall 3a which is one end of the upper resin case 3, and has an air outlet 32 provided in a side wall 3b which is the other end of the upper resin case 3.
Furthermore, the upper resin case 3 has two claws 31 provided in a side wall 3c which is a front end of the upper resin case 3. The claws 31 are fit in the retaining arm 23 whereby the upper resin case 3 and the lower resin case 2 are firmly joined with each other and a resin case having air permeability is obtained. The upper resin case 3 and the lower resin case 2 define an accommodation portion inside thereof and the ion generation component 4 and the terminals 5a and 5b are arranged in the accommodation portion.
As shown in Fig. 3, the ion generation component 4 includes an insulation substrate 41, a ground electrode 42, a high-voltage electrode 43, an insulation film 44, and a linear electrode 45. The insulation substrate 41 is a plate-like member and includes a body portion 4la and a pair of extension portions 4].b and 4lc. The high-voltage electrode 43 is arranged on the body portion 41a. The linear electrode 45 is soldered to the high-voltage electrode 43 at a base end thereof to thereby be connected to the body portion 41a. A tip end of the linear electrode extending in a direction of a main surface of the body portion 41a projects from the body portion 41a. The linear electrode 45 is an extra-fine wire which has a diameter of j.tm or less, which has a longitudinal elastic modulus of 2500N/mm2 or more, and which is formed of a piano wire, a tungsten wire, a stainless wire, or a titanium wire, for
example.
The extension portions 4].b and 4lc extend from the body portion 41a so as to be spaced away from the tip end of the linear electrode 45 sandwiched therebetween. Tip ends of the extension portions 4Th and 41c are connected to each other. Specifically, the extension portions 41b and 41c sandwich the linear electrode 45 therebetween and extend substantially in parallel to the linear electrode 45 in plan view. The tip ends of the extension portions 4Th and 41c are connected to each other on a line extending from the linear electrode 45. That is, a through hole which penetrates a main surface of the insulation substrate 41 is formed and the tip end of the linear electrode 45 projects -10 -to the through hole.
The ground electrode 42 has a pair of leg portions 42a and 42b which are arranged on main surfaces of the extension portions 4th and 41c, respectively, so as to be arranged in parallel to the linear electrode 45. The leg portions 42a and 42b are connected to each other at a position where the tip ends of the extension portions 41b and 41c are located.
The insulation film 44 is arranged on a main surface of the ground electrode 42 except for a portion of the ground electrode 42 corresponding to a contact portion 42c in which the second terminal 5b contacts thereto. The insulation film 44 is formed of a silicone resin or a glass glaze, for example. The ground electrode 42 has a resistance of approximately 50 M. The ground electrode 42 is formed of a ruthenium oxide paste or a carbon paste. In particular, ruthenium oxide is the preferable material since ruthenium oxide does not cause migration even when an intense electric field is applied thereto. The ground electrode 42 is formed by applying such a paste to the insulation substrate 41 and performing a heat treatment.
Each of the metal terminals 5a and 5b includes a fitting portion 51 and a leg portion 52. The fitting portions 51 of the first terminal 5a is fit into a holding portion 33 and the fitting portion 51 of the second terminal 5b is fit into a holding portion 34. The holding portions
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-11 - 33 and 34 are disposed on an upper surface 3d of the upper resin case 3. The leg portion 52 of the first terminal 5a is directly connected to a contact portion 43a of the high-voltage electrode 43, and the leg portion 52 of the second terminal Sb is directly connected to the contact portion 42c of the ground electrode 42.
An end portion 7a of the high-voltage wire lead 7 is fit into an aperture formed on a front surface of the holding portion 33 disposed on the upper resin case 3, and a core 71 is fit and electrically coupled to the fitting portion 51 of the first terminal 5a. Similarly, an end portion 8a of the ground wire lead B is fit into an aperture formed on a front surface of the holding portion 34, and a core 81 is fit and electrically coupled to the fitting portion 51 of the second terminal 5b.
The high-voltage wire lead 7 is connected to a negative output terminal of a high-voltage power supply, and the ground wire lead 8 is connected to a ground output terminal of the high-voltage power supply. The high-voltage power supply supplies a negative direct current voltage, but may supply an alternate current voltage in which a negative direct current bias is superimposed thereon. The ion generation device 1 is incorporated in an air cleaner or an air conditioner, for example. Specifically, the high-voltage power supply is arranged in a power supply circuit
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-12 -of the air cleaner, and the ion generation device is arranged in an air blow path. Accordingly, the air cleaner, for example, blows air including negative ions.
The ion generation device 1 having the configuration described above generates negative ions when voltage of -1.3 ICy to -2.5KV is applied. That is, when a negative voltage is applied to the linear electrode 45, an intense electric field is generated between the linear electrode 45 and the ground electrode 42. The tip end of the linear electrode 45 causes breakdown resulting in a corona discharge state. In this case, molecules in the air in the vicinity of the tip end of the linear electrode 45 are converted into plasmas so that the molecules are separated into positive ions and negative ions. The positive ions in the air are absorbed in the linear electrode 45 and the negative ions remain.
According to the ion generation device 1 configured as described above, since the extension portions 41b and 41c are connected to each other, a finger does not easily touch the linear electrode 45 through the air outlets 22 and 33.
Consequently, safety of the ion generation device 1 is improved. Furthermore, since the ground electrode 42 is arranged so as to surround the linear electrode 45, an electric field is likely to be generated in a concentrated manner between the linear electrode 45 and the ground electrode 42. Accordingly, negative ions are more
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-13 -efficiently generated.
Moreover, since the linear electrode 45 having a longitudinal elastic modulus of 2500N/rnm2 or more is used, the linear electrode 45 does not easily bend, and even when an external force is applied to the linear electrode 45, the original shape of the linear electrode 45 is easily restored.
Accordingly, the linear electrode 45 is not easily shifted from an original position.
Second Embodiment Fig. 4 is a plan view illustrating an ion generation component 4A according to a second embodiment. In the ion generation component 4, the extension portions 4].b and 41c are connected to each other. However, in the ion generation component 4A, extension portions 61b and 6].c are not connected to each other. Specifically, a distance between a tip end of the extension portion 61b and a tip end of the extension portion 6].c is smaller than a distance between the other portion of the extension portion 61b and the other portion of the extension portion 6lc. A distance L between the tip end of the extension portion 61b and the tip end of the extension portion 6lc is preferably 3 mm or less.
Furthermore, a distance between a tip end of a leg portion 42a and a tip end of a leg portion 42b is preferably small.
As described above, since the distance between the tip end of the extension portion 6].b and the tip end of the
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-14 -extension portion 61c is made smaller, a linear electrode 45 is prevented from being touched by a finger. Furthermore, since the distance between the tip end of the leg portion 42a and the tip end of the leg portion 42b is made small, a distance between a ground electrode 42 and the linear electrode 45 becomes small resulting in high electric field intensity. Accordingly, negative ions are generated more efficiently.
Note that, in this embodiment, the tip ends of the extension portions 61b and 61c correspond to portions in the vicinity of the tip ends of the extension portions 61b and Glc, respectively, and more particularly, correspond to portions projected from the tip end of the linear electrode 45.
Third Embodiment Figs. 5 and 6 are plan views illustrating an ion generation component 4B and an ion generation component 4C, respectively, according to a third embodiment. In the first and second embodiments, the surface of the ground electrode 42 of each of the ion generation components 4 and 4A is covered with the insulation film 44 except for the portion corresponding to the contact portion 42c. However, in the third embodiment, a surface of a ground electrode 42 of each of the ion generation components 4B and 4C is covered with a insulation film 44 except for a portion corresponding to a
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-15 -end portion 42d of a ground electrode 42 opposing to the tip end of a linear electrode 45 and a portion corresponding to a contact portion 42c. That is, the end portion 42d is exposed from the insulation film 44.
As described above, since the end portion 42d of the ground electrode 42 is not covered with the insulation film 44, a current leakage is generated between the ground electrode 42 and the linear electrode 45, and therefore, traces of ozone is generated along with ions. Note that the current leakage is controlled by changing an area or a position of the end portion 42d of the ground electrode 42 which is exposed from the insulation film 44.
The present invention is not limited to the embodiments described above, and modifications may be made within the scope of the invention. For example, the number of linear electrodes included in an ion generation component is not limited to one, but two linear electrodes may be included in the ion generation component. Note that, in a case where two or more linear electrodes are arranged considerably closed to each other, electric field distribution is disturbed and discharge efficiency is deteriorated.
Therefore, a distance between the linear electrodes needs to be carefully considered.
Industrial Applicability
As described hereinabove, the present invention is
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-16 -suitably applicable to an ion generation component, an ion generation unit, and an ion generation device. In particular, an advantage of the present invention is that a linear electrode is prevented from being touched by a finger.
Claims (11)
1. An ion generation component including an insulation substrate, a linear electrode, and a ground electrode, wherein the insulation substrate includes a body portion on which the linear electrode is arranged so that a tip end of the linear electrode projects from the body portion, and two extension portions which extend from the body portion so as to be spaced away from the linear electrode sandwiched therebetween and on which the ground electrode is arranged, and tip ends of the two extension portions are connected to each other.
2. The ion generation component according to Claim 1, wherein the ground electrode is formed on the two extension portions and is continuous at the tip ends of the two extension portions.
3. An ion generation component including an insulation substrate, a linear electrode, and a ground electrode, wherein the insulation substrate includes a body portion on which the linear electrode is arranged so that a tip end of the linear electrode projects from the body portion, and two extension portions which extend from the body portion so as to be spaced away from the linear electrode
S
-18 -sandwiched therebetween and on which the ground electrode is arranged, and a distance between tip ends of the two extension portions is smaller than a distance between other portions of the two extension portions.
4. The ion generation component according to Claim 3, wherein the distance between the tip ends of the two extension portions is 3 mm or less.
5. The ion generation component according to any one of Claims 1 to 4, wherein a diameter of the linear electrode is 100 p.m or less.
6. The ion generation component according to any one of Claims 1 to 5, wherein an insulation film is formed on a surface of the ground electrode.
7. The ion generation component according to Claim 6, wherein the insulation film is formed on the surface of the ground electrode except for a portion of the ground electrode corresponding to the tip end of the linear electrode.
8. The ion generation component according to any one of Claims 1 to 7, wherein the ground electrode is a resistive element.
9. An ion generation unit comprising:
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-19 -the ion generation component according to any one of Claims 1 to 8 further including a high-voltage electrode which is arranged on the insulation substrate and on which the linear electrode is to be arranged and; a first terminal which is connected to the high-voltage electrode and which has a fitting portion into which a first wire lead is fitted; a second terminal which is connected to the ground electrode and which has a fitting portion into which a second wire lead is fitted; and a case in which the ion generation component and the first terminal and the second terminal are accommodated.
10. An ion generation device comprising: the ion generation component according to any one of Claims 1 to 8; and a high-voltage power supply which generates a negative voltage.
11. An ion generation device comprising: a high-voltage power supply which has a first and second wire leads which are fitted into first and second terminals, respectively and which generates a negative voltage; and the ion generation unit according to Claim 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006213962 | 2006-08-04 | ||
| PCT/JP2007/061168 WO2008015838A1 (en) | 2006-08-04 | 2007-06-01 | Ion generating component, ion generating unit and ion generating apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB0804305D0 GB0804305D0 (en) | 2008-04-23 |
| GB2444870A true GB2444870A (en) | 2008-06-18 |
| GB2444870B GB2444870B (en) | 2011-03-30 |
Family
ID=38997022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0804305A Expired - Fee Related GB2444870B (en) | 2006-08-04 | 2007-06-01 | Ion generation component, ion generation unit and ion generat on device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4640413B2 (en) |
| CN (2) | CN101950929B (en) |
| GB (1) | GB2444870B (en) |
| WO (1) | WO2008015838A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5151599B2 (en) * | 2008-03-26 | 2013-02-27 | 株式会社村田製作所 | Ion generator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0855692A (en) * | 1994-08-12 | 1996-02-27 | Kasuga Denki Kk | Static elimination electrode structure |
| JP2005063827A (en) * | 2003-08-13 | 2005-03-10 | Murata Mfg Co Ltd | Ion generation component, unit, and device |
| JP2005142131A (en) * | 2003-11-10 | 2005-06-02 | Fuji Photo Film Co Ltd | Static eliminator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1119727A (en) * | 1994-09-26 | 1996-04-03 | 株式会社环境 | Air cleaner |
| JPH09232068A (en) * | 1996-02-22 | 1997-09-05 | Sunrise Syst:Kk | Negative ion generator |
| JP4407194B2 (en) * | 2003-07-31 | 2010-02-03 | パナソニック電工株式会社 | Discharge block for ion generator |
| JP4107597B2 (en) * | 2004-10-01 | 2008-06-25 | 春日電機株式会社 | Air blow type ion generator |
-
2007
- 2007-06-01 JP JP2007557261A patent/JP4640413B2/en not_active Expired - Fee Related
- 2007-06-01 CN CN201010521620.1A patent/CN101950929B/en not_active Expired - Fee Related
- 2007-06-01 CN CN2007800008162A patent/CN101341638B/en not_active Expired - Fee Related
- 2007-06-01 GB GB0804305A patent/GB2444870B/en not_active Expired - Fee Related
- 2007-06-01 WO PCT/JP2007/061168 patent/WO2008015838A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0855692A (en) * | 1994-08-12 | 1996-02-27 | Kasuga Denki Kk | Static elimination electrode structure |
| JP2005063827A (en) * | 2003-08-13 | 2005-03-10 | Murata Mfg Co Ltd | Ion generation component, unit, and device |
| JP2005142131A (en) * | 2003-11-10 | 2005-06-02 | Fuji Photo Film Co Ltd | Static eliminator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101950929B (en) | 2012-12-26 |
| CN101341638B (en) | 2012-05-23 |
| CN101950929A (en) | 2011-01-19 |
| CN101341638A (en) | 2009-01-07 |
| GB2444870B (en) | 2011-03-30 |
| GB0804305D0 (en) | 2008-04-23 |
| JP4640413B2 (en) | 2011-03-02 |
| JPWO2008015838A1 (en) | 2009-12-17 |
| WO2008015838A1 (en) | 2008-02-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20210601 |