DUST REMOVER
A dust remover which comprises a power supply and an electrode applied with voltage by said power supply. The dust attached to the object of dust removal is removed therefrom by bringing the electrode into contact with the object of dust removal or approaching toward the object of dust removal. The object of dust removal is a conductor and/or an insulator. The voltage applied to said electrode is a pulsed voltage of plus and minus or an AC voltage of plus and minus. Or the voltage is a DC voltage having the same polarity with that of electricity with which the dust is charged, or the voltage is a DC voltage having an opposite polarity to that of electricity with which the dust is charged. The object of dust removal includes at least a ball for “Pachinko”, a car body, a printed board, a metal box or a part thereof, a frame for glasses, a plastic lens, a plastic box or a part thereof, a fiber, a wood, a paper box or a part thereof.
This invention generally relates to a dust remover or dust removal device, and more particularly, to a dust remover for removing dust by coulombic reaction force or attraction force generated by application of voltage.
BACKGROUND OF INVENTIONConventional dust removers include:
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- (1) a system in which dust is mechanically wiped away with a brush,
- (2) a system in which dust is scraped away with an adhesive tape or an adhesive roller,
- (3) a system in which dust is blown away by air blow or fan blow,
- (4) a system in which dust is sucked in by vacuum suction,
- (5) a system in which supersonic vibration is applied to facilitate the scraping of dust, and
- (6) a system in which static charge is removed using a static eliminator to facilitate the scraping of dust, and the like
As mentioned above, with the conventional contact type of dust removal systems, dust is wiped away with a brush, or dust is scraped away with an adhesive tape. In these cases dust is difficult to remove or dust is adhered again at once since static charge is generated inevitably. Furthermore, with the conventional non-contact type of dust removal systems, since air blow is used to blow dust away, the re-adhesion of dust is promoted. In particular since the air blow or fan blow is not used under the clean atmosphere such as clean room or clean bench the non-contact dust removing is difficult.
Therefore, it is an object of the present invention to provide a dust remover which overcomes the above-mentioned disadvantages.
SUMMARY OF INVENTIONTo accomplish the object, there is provided a dust remover which comprises a power supply and an electrode applied with voltage by said power supply, in which the dust attached to the object of dust removal is removed therefrom by bringing said electrode into contact with the object of dust removal or approaching toward the object of dust removal.
There is also provided a dust remover for balls for use in “Pachinko” game or for coins for use in a game machine which comprises an entrance gate for introducing balls or coins, an electrode disposed so that the introduced balls or coins are brought into contact with or approached the electrode, said electrode being electrically isolated from the other parts and applied with the voltage to remove the dust, a discharge gate for discharging the balls or coins, a first isolator for separating the balls or coins on or adjacent said electrode from the others in the entrance gate and transferring the separated balls or coins toward said electrode, a second isolator for separating the balls or coins in the discharge gate from the balls or coins on or adjacent said electrode and transferring the balls or coins toward said discharge gate.
There is also provided a dust remover which comprises a dust repelling electrode which is disposed in contact with or adjacent the object of dust removal and fed by a power supply, and an ionizer for issuing ions toward the circumference of the object of dust removal.
There is also provided a dust remover which comprises a dust repelling electrode which is disposed in contact with or adjacent the object of dust removal and fed by a power supply, and a dust attracting opposite electrode disposed on the opposite side of said dust repelling electrode and separated therefrom.
There is also provided a dust remover which comprises a dust suction vacuum device for sucking the departed dust in from a dust attracting electrode for attracting the dust, and a dust attracting electrode for attracting the dust, and/or a dust repelling electrode for flying and floating the dust from the object of dust removal.
There is also provided a dust remover which comprises an air blower for flying the dust away, a dust attracting electrode for attracting the dust, and/or a dust repelling electrode for flying and floating the dust from the object of dust removal.
There is also provided a dust remover which comprises a dust flying-away fan and/or air blower disposed in an upper stream, a dust repelling electrode disposed in a downstream from the fan and/or the blower, a dust attracting electrode disposed in a further downstream from the object of dust removal, and a dust suction fan at the end of the stream.
Other objects, features, and advantages of the present invention will be explained in the following detailed description of the invention having reference to the appended drawings:
In
Now considering electric flux line, the electric flux lines coming out from the plus electricity 14 of dust are terminated at the minus electricity 16, and thus the electric flux lines are closed. Assuming that a static eliminator in which plus ions and minus ions are generated to remove electricity or electric charge from the object of dust removal by applying ions thereto is used to remove the dust, that is, plus ions 20 and minus ions 22 are supplied to the object of dust removal, plus electricity 14 or minus electricity is not affected by plus ions 20 and minus ions 22 since the electric flux lines are closed. Consequently the dust can not be removed.
In
Considering electric flux line, the plus electricity 14 of the object of dust removal and the plus electricity 14 of the dust are terminated without being closed. In case that the electric flux line is not closed, repulsive force works.
In
In
In
In
In
Furthermore, although
On and after the 4th embodiment, specific objects of dust removal will be explained.
-
- (1) a system in which the dust is flied away using an air blower or a fan blower,
- (2) a system in which the dust is sucked in by vacuum suction,
- (3) a system in which supersonic vibration is applied to facilitate the scraping of dust, and
- (4) a system in which static charge is removed using a static eliminator to facilitate the scraping of dust, and the like
However, there is no dust remover which can remove the dust completely and therefore once the dust is attached to the car body, the dust is hardly removed under the conventional way.
In
At that time, an inner air pressure distribution is controlled so that the removed dust is not flied away outside. Assuming that the quantity of intake air of a fan 102 with filter 104 at the inlet is Vin, the quantity of discharge air of a fan 106 with filter 104 at the outlet is Vout, the quantity of air blow is Vair, and the quantity of air leaked from the inlet and outlet for balls is Vleak, if these quantities are controlled so that the following formula consists, the removed dust does not come outside, the environment is not contaminated, and the outside dust does not enter the dust remover and therefore dust is not attached to the balls 60.
Vleak=Vin+Vair−Vout
Vleak≧0
Although in the aforementioned embodiments 1 to 10, only an application of voltage is fundamentally used to remove the dust, on and after the 11th embodiments an application of voltage and other means are combined to enhance the effects of dust removal. To begin with, before the 11th embodiment is explained, the dust-return phenomenon will be explained.
Now, when the voltages of opposite polarities are applied to the dust repelling electrode 30 and the dust attracting electrode 36 the dust is removed from the object of dust removal by the dust repelling electrode 30 and simultaneously the dust is attracted by the dust attracting electrode 36. For this reason since the repelling force and attracting force are applied to the dust at the same time, the dust is likely to be removed. The dust attached on the dust attracting electrode 36 departs from the dust attracting electrode 36 since the voltage applied to the dust attracting electrode 36 is switched over from one polarity to the other polarity. The dust thus departed is collected by the dust suction fan 38.
14th EmbodimentAs an example in
As shown in
In
It is understood that many modifications and variations may be devised given the above description of the principles of the invention. It is intended that all such modifications and variations be considered as within the spirit and scope of this invention, as it is defined in the following claims.
Claims
1. A dust remover which comprises a power supply and an electrode applied with voltage by said power supply, in which the dust attached to the object of dust removal is removed therefrom by bringing said electrode into contact with the object of dust removal or approaching toward the object of dust removal.
2. A dust removal according to claim 1 in which said object of dust removal is a conductor and/or an insulator.
3. A dust removal according to claim 1 in which the voltage applied to said electrode is a pulsed voltage of plus and minus or an AC voltage of plus and minus, and in case that the dust is flied away the voltage is a DC voltage having the same polarity with that of electricity with which the dust is charged, and in case that the dust is pulled away the voltage is a DC voltage having an opposite polarity to that of electricity with which the dust is charged.
4. A dust remover according to claim 1 in which the object of dust removal includes at least a ball for “Pachinko”, a car body, a printed board, a metal box or a part thereof, frame for glasses, a plastic lens, a plastic box or a part thereof, a fiber, a wood, a paper box or a part thereof.
5. A dust removal according to claim 1 which comprises an air blower or a suction device for transferring the dust detached from the object of dust removal or for aiding to the detachment of the dust from the object of dust removal and transferring the dust thus detached from the object of dust removal.
6. A dust remover according to claim 1 in which the object of dust removal is electrically isolated from its environment when the object of dust removal is applied with voltage.
7. A dust remover for a ball for use in “Pachinko” game or for a coin for use in a game machine which comprises
- an entrance gate for introducing a ball or a coin,
- an electrode disposed so that the introduced ball or coin is brought into contact with or approached the electrode, said electrode being electrically isolated from the other parts and applied with the voltage to remove the dust,
- a discharge gate for discharging the ball or coin,
- a first isolator for separating the ball or coin on or adjacent said electrode from the balls or coin in the entrance gate and transferring the separated ball or coin toward said electrode,
- a second isolator for separating the ball or coin in the discharge gate from the balls or coins on or adjacent said electrode and transferring the ball or coin toward said discharge gate.
8. A dust remover according to claim 7 which comprises at least one grounded electrode provided before and/or after said electrode to statically eliminate the ball or coin.
9. A dust remover according to claim 7 in which said electrode is an electrode mesh, and which comprises at least a suction fan, a discharge fan or an air blower to remove the dust electrically detached by said electrode mesh.
10. A dust remover according to claim 9 in which to prevent scattering of the dust departed from the object of dust removal to the outside and to prevent the invasion of the dust from the outside and the attachment to the ball or coin, assuming that the quantity of intake air of said suction fan is Vin, the quantity of discharge air of said discharge fan is Vout, the quantity of air blow is Vair, and the quantity of air leaked from the inlet and outlet for balls is Vleak, an inner air pressure distribution is controlled so that the following formula consists
- Vleak=Vin+Vair−Vout
- Vleak≧0
11. A dust remover which comprises
- a dust repelling electrode which is disposed in contact with or adjacent the object of dust removal and fed by a power supply, and
- an ionizer for issuing ions toward the circumference of the object of dust removal.
12. A dust remover which comprises
- a dust repelling electrode which is disposed in contact with or adjacent the object of dust removal and fed by a power supply, and
- a dust attracting opposite electrode disposed on the opposite side of said dust repelling electrode and separated therefrom.
13. A dust remover according to claim 12 in which said dust attracting opposite electrode is grounded or is applied with the voltage of polarity opposite to that of said dust repelling electrode.
14. A dust remover according to claim 13 which comprises a dust suction fan disposed on the opposite side of said dust attracting opposite electrode from the object of dust removal.
15. A dust remover according to claim 12 in which said dust repelling electrode and/or said dust attracting opposite electrode includes at least one electrode of needle shape, point shape, rod shape, mesh shape, plate-like shape, or ring shape.
16. A dust remover which comprises
- electrode means for departing the dust from the object of dust removal and
- a dust suction vacuum device for sucking the departed dust in
- said electrode means comprising
- a dust attracting electrode for attracting the dust, or
- a dust attracting electrode for attracting the dust and a dust repelling electrode for flying and floating the dust from the object of dust removal, or
- a dust repelling electrode for flying and floating the dust from the object of dust removal.
17. A dust remover according to claim 16 in which said dust suction vacuum device and said dust attracting electrode are disposed on the same side.
18. A dust remover according to claim 16 in which said dust suction vacuum device and said dust repelling electrode are disposed on the opposite sides from the object of dust removal.
19. A dust remover according to claim 16 in which said dust suction vacuum device and said dust attracting opposite electrode are disposed on the same side, and said dust attracting electrode and said dust repelling electrode are disposed on the opposite sides of the object of dust removal.
20. A dust remover according to claim 19 in which the voltage applied to said dust attracting opposite electrode is of the opposite polarity as that of the dust repelling electrode or is grounded.
21. A dust remover which comprises
- electrode means for departing the dust from the object of dust removal and
- an air blower for flying the dust away
- said electrode means comprising
- a dust attracting electrode for attracting the dust, or
- a dust attracting electrode for attracting the dust and a dust repelling electrode for flying and floating the dust from the object of dust removal, or
- a dust repelling electrode for flying and floating the dust from the object of dust removal.
22. A dust remover according to claim 21 in which said air blower and said dust attracting electrode are disposed on the same side.
23. A dust remover according to claim 21 in which said air blower and said dust attracting electrode are disposed on the opposite sides of the object of dust removal.
24. A dust remover according to claim 21 in which said air blower and said dust attracting opposite electrode are disposed on the same side, and said dust attracting electrode and said dust repelling electrode are disposed on the opposite sides of the object of dust removal.
25. A dust remover according to claim 24 in which the voltage applied to said dust attracting opposite electrode is of the opposite polarity as that of the dust repelling electrode or is grounded.
26. A dust remover which comprises
- a dust flying-away fan and/or air blower disposed in an upper stream,
- a dust repelling electrode disposed in a downstream from the fan and/or blower,
- a dust attracting electrode disposed in a further downstream from the object of dust removal, and
- a dust suction fan at the end of the stream.
27. A dust remover according to claim 26 in which the voltage applied to said dust attracting opposite electrode is of the opposite polarity as that of the dust repelling electrode or is grounded.
Type: Application
Filed: Apr 24, 2007
Publication Date: Nov 8, 2007
Inventor: Makoto TAKAYANAGI (Shizuoka-pref.)
Application Number: 11/739,278
International Classification: A47L 5/38 (20060101);