According to an example aspect of the present invention, there is provided a device for separating materials in the form of particles and/or drops from a gas flow, especially particles and/or drops the diameter of which varies from one nanometer to a few dozen nanometers, the device comprising an inlet for incoming air to be purified, a collection chamber, an outlet for the purified air, a voltage source with actuators, an fastening column to which ion yield tips have been coupled, the device is configured to direct high tension to the ion yield tips providing ion beams from the ion yield tips to the collection surface, the collection surface conducting electricity is electrically insulated from the outer wall of the collection chamber by an electrical insulation, and the device is configured to direct voltage of opposite sign to the ion yield tips than the voltage directed to the collection surface, wherein ion yield tips are arranged directly on a surface of the fastening column having a length, wherein the ion yield tips protrude from the surface of the fastening column into a cavity of the collection chamber.

The present invention relates to an electrification apparatus for electric dust collection and a control method therefor. According to the teachings of the present invention, there is provided an electrification apparatus for electric dust collection including: a frame, conductive, and conductive plates. The electrification apparatus further includes a ground unit which is disposed between the conductive microfiber and the conductive plate. At this time, the ground unit is insulated when a high voltage is applied to the conductive microfiber and is connected to the ground electrode when a high voltage is blocked to the conductive microfiber.

The present invention relates to an air conditioner for a vehicle. The air conditioner for a vehicle according to an embodiment of the present invention includes a main body and an electric dust collection assembly. The electric dust collection assembly includes an electrification apparatus for electrifying dust particles in the air and a collector for collecting dust particles electrified by the electrification apparatus and removing the dust particles from the air. At this time, the electrification apparatus and the collector are formed to be capable of being separated by a separate device.

The present invention relates to an electrification apparatus for electric dust collection and an air conditioner for a vehicle including the same. According to the teachings of the present invention, there is provided an electrification apparatus for electric dust collection including: a frame which forms an outer appearance; conductive microfibers which are installed in the frame and generates ions in the air; and conductive plates which are installed in the frame and generate a potential difference with the conductive microfibers. The conductive plates are disposed so as to surround the conductive microfibers to form an electrification space in which an electric field is generated. At this time, the electrification space is a rectangular columnar shaped space.

The present invention relates to an electrification apparatus for electric dust collection and an air conditioner for a vehicle comprising the same. According to the teachings of the present invention, there is provided an electrification apparatus for electric dust collection including: a frame, conductive microfiber and conductive. The frame includes a main body frame in which the conductive plate is installed and an installation frame in which a fixing groove in which the conductive microfiber is installed is formed. At this time, the electrification apparatus for electric dust collection further includes a rubber which is coupled with the conductive microfiber and is inserted into the fixing groove.

An electrostatic precipitator module and a desulfurization system are capable of easily discharging wash water from a wet electrostatic precipitator module. The electrostatic precipitator module includes an arrangement of discharge electrodes and collecting electrodes alternately disposed and spaced apart from each other, the discharge electrodes configured to be charged to a predetermined voltage for generating a corona discharge between the discharge electrodes and the collecting electrodes; and tie rods for fixing the discharge electrodes and the collecting electrodes. Each collecting electrode has a lower edge inclined downward with respect to the ground. The lower edge of each collecting electrode includes separate lower edge portions respectively inclined downward from opposite side ends of the collecting electrode and a lowermost point at which wash water is concentrated and discharged to a discharge guide installed directly under the lowermost points. The discharge guide has a width substantially smaller than the collecting electrode.

According to an example aspect of the present invention, there is provided a device for separating materials in the form of particles and/or drops from a gas flow, especially particles and/or drops the diameter of which varies from one nanometer to a few dozen nanometers, the device comprising an inlet for incoming air to be purified, a collection chamber, an outlet for the purified air, a voltage source with actuators, an fastening column to which ion yield tips have been coupled, the device is configured to direct high tension to the ion yield tips providing ion beams from the ion yield tips to the collection surface, the collection surface conducting electricity is electrically insulated from the outer wall of the collection chamber by an electrical insulation, and the device is configured to direct voltage of opposite sign to the ion yield tips than the voltage directed to the collection surface, wherein ion yield tips are arranged directly on a surface of the fastening column having a length, wherein the ion yield tips protrude from the surface of the fastening column into a cavity of the collection chamber.

A dust collector in an embodiment includes: a discharge electrode having tips; a counter electrode including a plurality of conductor plates each having an end opposed to the discharge electrode and arrange side by side in a plate thickness direction; and a power supply that applies voltage between the discharge electrode and the counter electrode. The counter electrode has a first region closer to the tips and a second region farther from the tips than the first region, and at least one of an interval, a distance from the tips, and a shape of at least part of ends in the first region is different from an interval, a distance, or a shape in the second region.

A gas purifying apparatus, including: at least one cylindrical ground electrode configured to receive gas flowing therethrough; a discharge electrode disposed centrally within each of the at least one cylindrical ground electrode; and a power supply electrically connected to the discharge electrode and the at least one cylindrical ground electrode so as to produce an electric field and a corona discharge from the discharge electrode to a corresponding cylindrical ground electrode to generate ions and free electrons into the gas to ionise substances in the gas for gas purification, wherein the discharge electrode and the corresponding cylindrical ground electrode form at least one plasma chamber when power from the power supply is applied, and wherein the discharge electrode includes: at least one annular plate having an outer edge extending towards the corresponding cylindrical ground electrode.

A filter media of purifying air by collecting floating particles in the air can achieve high dust collecting efficiency, low pressure loss, and a long life cycle. In an air cleaner, a filter media included in an air cleaning filter and cleaning air is constituted with a resin fiber of a mean fiber diameter of 3.6 m to 16.5 m, and a ratio of weight per unit area to the mean fiber diameter of the filter media is from 1010.sup.6 g/m.sup.3 to 2010.sup.6 g/m.sup.3.