Abstract: A suction nozzle for use in a vacuum cleaner includes a suction opening through which air is drawn in from a surface to be cleaned, a sterilization chamber having at least one inlet and at least one outlet, the sterilization chamber being in fluid communication with the suction opening through the at least one inlet, and a sterilization unit disposed in the sterilization chamber to sterilize the air drawn into the sterilization chamber. The air drawn into the sterilization chamber revolves while moving from the at least one inlet to the at least one outlet.

Abstract: A wet-type dust collector for a vacuum cleaner. The disclosed wet-type dust collector includes a first separating portion, the inside of which is filled with water for separating dust from air that is suctioned in from the outside; an exhaust pipe unit having an exhaust outlet and installed inside the first separating portion; and a passage-closing unit installed inside the exhaust pipe unit, wherein the passage-closing unit closes the exhaust outlet of the exhaust pipe unit by means of the combined forces of the suctioning force through the exhaust pipe unit and the buoyant force of the water, in order to prevent the water from leaking out from the first separating portion.

Abstract: A cyclone dust collecting apparatus for a vacuum cleaner includes a first chamber; an entering passage disposed above the first chamber, the entering passage guiding outer air to form a downwardly whirling air current in the first chamber; a second chamber formed at a position higher than that of an outlet of the entering passage above the first chamber, the second chamber in which the outer air entering from the first chamber whirls; a contaminants-blocking member disposed to be spaced apart from a bottom surface of the first chamber at a center of the first chamber, the contaminants-blocking member preventing contaminants and water separated in the first chamber from moving into the second chamber; and a grill disposed inside the second chamber to be in fluid communication with an air discharging port through which clean air is discharged.

Abstract: A wet type dust collecting apparatus of a vacuum cleaner is provided. The wet type dust collecting apparatus of a vacuum cleaner includes a first separating unit configured to filter out and discharge dust by rotating air which is inlet via a first air inlet, and a plurality of a second centrifugal separating units configured to filter out dust from the air which is discharged from the first separating unit, and configured to eliminate dust from the inlet air via water which is filled inside of the second centrifugal separating units.

Abstract: Disclosed is a dust collector provided with a dust-removing unit. The disclosed dust collector comprises: a first centrifugal separating tube defining a first centrifugal area for separating dust from air suctioned in through a first inlet; a first dust box for collecting dust separated in the first centrifugal area; a first detaching portion having a first exhaust pipe unit for exhausting the air from the first centrifugal separating tube and the first dust box to the outside; and a handle unit for maintaining the first centrifugal separating tube and the first dust box coupled together, or for releasing the coupling thereof.

Abstract: A water filtering device equipped with a water level adjustment unit is provided. The water filtering device includes an external air inlet through which dust-containing air flows in, a dust separator communicating with the external air inlet and separating dust in the inflow air, exhaust outlets communicating with the dust separator and discharging the air from which the dust has been separated, a dust container communicating with the dust separator and being filled with water, and a water level adjustment unit installed in the dust container to adjust the level of the water in the dust container. The water level adjustment unit includes a supercharged water drainage tube installed on a bottom of the dust container, and a manual opening/closing device for adjusting the level of the water through the supercharged water drainage tube.

Abstract: A drum type vacuum cleaner includes a centrifugal separator to separate dust from air using centrifugal force, a dust tank having an open top through which the centrifugal separator is mounted in the dust tank, the dust tank being provided with a dust collector to store the separated dust, and a cover unit having a motor to generate suction force, the cover unit being mounted to cover the top of the dust tank, wherein the centrifugal separator is disposed so that a central axis of rotary force of the centrifugal separator to whirl air is at a right angle to a central axis of the motor, whereby dust contained in suctioned air is discharged to the dust collector, and air from which dust has been separated is discharged to the outside by the motor provided at the cover unit.

Abstract: A wet-type dust collector for a vacuum cleaner. The disclosed wet-type dust collector includes a first separating portion, the inside of which is filled with water for separating dust from air that is suctioned in from the outside; an exhaust pipe unit having an exhaust outlet and installed inside the first separating portion; and a passage-closing unit installed inside the exhaust pipe unit, wherein the passage-closing unit closes the exhaust outlet of the exhaust pipe unit by means of the combined forces of the suctioning force through the exhaust pipe unit and the buoyant force of the water, in order to prevent the water from leaking out from the first separating portion.

Abstract: A wet type dust collecting apparatus of a vacuum cleaner is provided. The wet type dust collecting apparatus of a vacuum cleaner includes a first separating unit configured to filter out and discharge dust by rotating air which is inlet via a first air inlet, and a plurality of a second centrifugal separating units configured to filter out dust from the air which is discharged from the first separating unit, and configured to eliminate dust from the inlet air via water which is filled inside of the second centrifugal separating units.

Abstract: Disclosed is a dust collector provided with a dust-removing unit. The disclosed dust collector comprises: a first centrifugal separating tube defining a first centrifugal area for separating dust from air suctioned in through a first inlet; a first dust box for collecting dust separated in the first centrifugal area; a first detaching portion having a first exhaust pipe unit for exhausting the air from the first centrifugal separating tube and the first dust box to the outside; and a handle unit for maintaining the first centrifugal separating tube and the first dust box coupled together, or for releasing the coupling thereof.

Abstract: A cyclone dust collecting apparatus for a vacuum cleaner includes a first chamber; an entering passage disposed above the first chamber, the entering passage guiding outer air to form a downwardly whirling air current in the first chamber; a second chamber formed at a position higher than that of an outlet of the entering passage above the first chamber, the second chamber in which the outer air entering from the first chamber whirls; a contaminants-blocking member disposed to be spaced apart from a bottom surface of the first chamber at a center of the first chamber, the contaminants-blocking member preventing contaminants and water separated in the first chamber from moving into the second chamber; and a grill disposed inside the second chamber to be in fluid communication with an air discharging port through which clean air is discharged.

Abstract: A suction nozzle for use in a vacuum cleaner includes a suction opening through which air is drawn in from a surface to be cleaned, a sterilization chamber having at least one inlet and at least one outlet, the sterilization chamber being in fluid communication with the suction opening through the at least one inlet, and a sterilization unit disposed in the sterilization chamber to sterilize the air drawn into the sterilization chamber. The air drawn into the sterilization chamber revolves while moving from the at least one inlet to the at least one outlet.

Abstract: A cord reel assembly according to the present disclosure includes a power cord; and a cord reel around which the power cord is automatically wound when the power cord is separated from an electric power source, the cord reel from which the power cord is automatically unwound when the power cord connected to the electric power source.

Abstract: A vacuum cleaner is provided that comprises a dust collection unit mounted to a mounting portion of a cleaner body. The dust collection unit separates dust from outside air being drawn in. The dust collection unit has a handle and a locking unit for detachably fixing the dust collection unit to the cleaner body. Here, the locking unit comprises a locking member moving between a connecting position and a releasing position, the connecting position for being engaged with a connection recess formed on the cleaner body and the releasing position for being released from the connection recess; and a button member formed on an outer surface of the dust collection unit for pressing operation.

Abstract: A suction brush assembly of a vacuum cleaner has a housing having a suction duct to provide a suction passage for dust, a rotation roller having a plurality of ribs formed at an outer circumference, a wheel disposed at the housing, and a power transmission unit to rotate the rotation member by exerting a rotation force of the wheel to the rotation member when the wheel is rotated. The wheel and the rotation member are rotated in directions opposite to each other by the power transmission unit. When a user wants to clean fabrics such as bedclothes or a carpet, the effect of hitting of the ribs can be firmly secured due to the rotation of the rotation rollers. Therefore, the effect of removing dust remarkably increases.

Abstract: A cyclone-type dust-collecting apparatus for use in a vacuum cleaner has a cyclone body having an inflow port and an outflow port, the cyclone body being capable of forming a whirling air current from dust-laden air drawn into the vacuum cleaner through the inflow port; a dust-collecting chamber being removably connected with the cyclone body, for collecting dust separated from the drawn air in the whirling air current; and a grill assembly disposed at the outflow port of the cyclone body for preventing a reverse flow of dust through the outflow port of the cyclone body. The grill assembly has a first grill member having a supporting portion supported on the outflow port of the cyclone body; a second grill member removably connected to a lower opening of the first grill member; and a grill portion provided to define a passage in fluid communication with the outflow port in an outer circumference of the second grill member.

Abstract: A turbine brush for a vacuum cleaner comprises a brush body having an upper casing and a lower casing, and the lower casing having a suction slot through which air is drawn in from a surface being cleaned, an agitator unit having bristles at predetermined intervals, a turbine unit rotatably supported within the lower casing and being rotated by the air drawn into the turbine brush by suction force generated by the vacuum cleaner, and a power transfer unit to cause the agitator unit and the turbine unit to rotate in association with each other. When cleaning surfaces having loose material, such as a blanket or other fabric, the suction slot of the lower casing includes a plurality of ribs to inhibit the blanket or other fabric from being drawn into the brush body by the suction force generated by the vacuum cleaner. The bristles are in contact with the surface being cleaned by passing through apertures in the suction slot defined by the plural ribs.

Abstract: A dust collecting filter for an vacuum cleaner capable of being reused after being emptied and washed The dust collecting filter comprises a filter casing having a backside surface and a side surface vertically extended from an edge of the backside surface to thereby define a predetermined space therein, the backside surface having an air discharging hole formed therein to fluid-communicate with the air outlet, a cover having an air inflow hole fluid-communicating with the air inlet and separably connected with the filter casing, and a dust filtering means mounted in the filter casing, for filtering dust from the air that is drawn in through the air inflow hole and discharged through the air discharging hole. Accordingly, since the dust collecting filter can be reused after being emptied and washed, it is not required to replace the dust collecting filter. Also, since the filter is designed to prevent the propagation of the bacteria, it can keep the cleanliness of the environment.

Abstract: A cyclone-type dust-collecting apparatus for use in a vacuum cleaner has a cyclone body having an inflow port and an outflow port, the cyclone body being capable of forming a whirling air current from dust-laden air drawn into the vacuum cleaner through the inflow port; a dust-collecting chamber being removably connected with the cyclone body, for collecting dust separated from the drawn air in the whirling air current; and a grill assembly disposed at the outflow port of the cyclone body for preventing a reverse flow of dust through the outflow port of the cyclone body. The grill assembly has a first grill member having a supporting portion supported on the outflow port of the cyclone body; a second grill member removably connected to a lower opening of the first grill member; and a grill portion provided to define a passage in fluid communication with the outflow port in an outer circumference of the second grill member.

Abstract: A suction brush assembly of a vacuum cleaner has a housing having a suction duct to provide a suction passage for dust, a rotation roller having a plurality of ribs formed at an outer circumference, a wheel disposed at the housing, and a power transmission unit to rotate the rotation member by exerting a rotation force of the wheel to the rotation member when the wheel is rotated. The wheel and the rotation member are rotated in directions opposite to each other by the power transmission unit. When a user wants to clean fabrics such as bedclothes or a carpet, the effect of hitting of the ribs can be firmly secured due to the rotation of the rotation rollers. Therefore, the effect of removing dust remarkably increases.