Abstract: A vacuum cleaner, in which a dust bag or a cyclone dust collecting apparatus can be selectively mounted, includes a body case having a dust collecting chamber and a connecting hole formed at a side surface of the dust collecting chamber so that outside air enters through the connecting hole, a pair of securing brackets formed on an inner surface of the dust collecting chamber of the body case at both sides of the connecting hole in parallel with each other so that the cyclone dust collecting apparatus or the dust bag is selectively secured to the pair of securing brackets, and a body cover disposed at the body case and being opened and closed in order to open and close the dust collecting chamber.

Abstract: A nozzle assembly having a UV generation unit and a vacuum cleaner having the same are provided. The nozzle assembly includes a nozzle main body that moves over a cleaning surface, a drum brush unit that is formed on the nozzle main body and includes an extension unit, an ultraviolet (UV) generation unit that is formed on the drum brush unit to be folded or unfolded so that the UV generation unit selectively faces the cleaning surface, and a switch that turns the UV generation unit on or off according to whether the UV generation unit is folded or unfolded.

Abstract: Disclosed is a multi-cyclone dust separating apparatus, comprising a cyclone body, a top cover and a discharge cover. The cyclone body includes a main cyclone and a plurality of cyclone cones communicating with the main cyclone and arranged around a lower part of the main cyclone, each of which has a reverse conical shape whose diameter is reduced as approaching the top end thereof. The top cover is fitted on the top of the cyclone body and has an air inflow port introducing ambient air into the main cyclone. The discharge cover is fitted on the bottom of the main cyclone and collects and discharges the air discharged from the plurality of cyclone cones. Most of the air introduced into the top of the main cyclone through the air inflow port is discharged to the bottom of the main cyclone without being reversed to flow upwardly and then introduced into the plurality of cyclone cones.

Abstract: A cyclone dust separating apparatus for separating dust from external air drawn in thereto and discharging the separated dust, comprises at least one first cyclone body having a tubular shape and forming a first cyclone chamber where the external air is rotated; and at least one second cyclone body forming a second cyclone chamber where the air discharged from the first cyclone chamber is rotated again to separate dust, wherein the external air is drawn in through a lower end of the first cyclone chamber and discharged through an upper end of the first cyclone chamber, and the air discharged from the first cyclone chamber is drawn in through an upper end of the second cyclone chamber and discharged through an upper end of the second cyclone chamber.

Abstract: A cyclone dust-collecting apparatus is provided. The dust-collecting apparatus is detachably mounted in a main cleaner body of a vacuum cleaner and disposed on a suction flow path extending from a suction port body to a suction source. The dust-collecting apparatus includes a body having an opened lower portion; at least one cyclone unit disposed to one side in the body to separate dust from air flowing into the body and discharge air from which the dust has been separated; and a bottom cover to open or close the lower portion of the body. The body has an inflow pipe penetrating the body from a rear portion of the body and connected to the cyclone unit and the inflow pipe has an inclined top surface.

Abstract: A vacuum apparatus having a suction nozzle, an air suction unit to which the suction nozzle is pivotally connected and which fluidly communicates with the suction nozzle through a connection channel, a dirt receptacle which has at least two collecting parts fluidly communicating with at least two outlets formed at the air suction unit, respectively.

Abstract: A compact multi-cyclone dust separating is disclosed. The multi-cyclone dust separating apparatus includes a first cyclone chamber that separates dust-laden air drawn from outside, a second cyclone chamber that is disposed in the first cyclone chamber, and that separates dust-laden air drawn from the first cyclone chamber, and a third cyclone chamber that is disposed around a periphery of the first cyclone chamber, and that separates dust-laden air drawn from the second cyclone chamber.

Abstract: A bypass type cleaning apparatus includes a suction nozzle; an air suction unit being in fluid communication with the suction nozzle via an entering passage; and at least two contaminant collecting receptacles being in fluid communication with at least two exits formed at the air suction unit, respectively.

Abstract: A cyclone dust-collecting apparatus to separate dust from air drawn in through a suction port body of a vacuum cleaner using a centrifugal force and to collect the separated dust is provided. The cyclone dust-collecting apparatus includes a primary cyclone unit to separate dust from air drawn in through the suction port body; a secondary cyclone unit disposed inside the primary cyclone unit to separate dust from air discharged from the primary cyclone unit; and a tertiary cyclone unit disposed above the primary cyclone unit at an angle different from the primary and secondary cyclone units.

Abstract: The present invention relates to a method for measuring a quantity of usage of a CPU, in particular to a method for measuring a quantity of usage of a CPU which is capable of getting a credible quantity of usage of a CPU without amending an algorithm in order to adapt it to the an operating system, e.g., MS-Windows System, or requiring a complicated code. The method uses various algorithms provided by the operating system on the behalf of a registry storing a quantity of usage of a CPU inside a system. Accordingly the present invention can measure a quantity of usage of a CPU easily without lowering a performance of the operating system.

Abstract: A suction nozzle of a vacuum cleaner includes a suction nozzle body which includes a suction port adapted to draw in contaminants on a surface, and a contaminant attachment unit formed in the suction nozzle body. The contaminant attachment unit is adapted to attach contaminants thereto.

Abstract: A dust sensing unit for use in a vacuum cleaner, which can detect whether there is dust or dirt on a surface to be cleaned and inform a user of the detected result in cleaning, is disclosed. The dust sensing unit includes a body having an air flowing passage therein to move air laden with dust or dirt drawn in through a suction nozzle, a detecting sensor disposed on the air flowing passage to detect whether the dust or dirt is passing through the air flowing passage, a lamp part to operate according to a signal outputted from the detecting sensor, a rotating part disposed to the body to rotate by air flowing through the air flowing passage, and an electric generator rotated by the rotating part to generate an electric power.

Abstract: A cyclone dirt separating apparatus and a vacuum cleaner having the same are disclosed. The cyclone dirt separating apparatus comprises a cyclone body including a first cyclone chamber in which dirt is separated preliminarily from air drawn in from an exterior by a centrifugal force; and a second cyclone chamber in which dirt is separated secondarily from the air discharged from the first cyclone chamber; and a dirt collecting case coupled to a lower end of the cyclone body for collecting the dirt. Also, the cyclone dirt separating apparatus further comprises a discharge guide duct passed through the cyclone body and the dirt collecting case and guiding the air discharged from the second cyclone chamber. Therefore, the air discharged through the discharge guide duct is directly entered to a motor mounting space of the vacuum cleaner.

Abstract: A cyclonic separating apparatus for a vacuum cleaner that can separately collect dust and water. The cyclonic separating apparatus includes: a cyclone body having an air inlet passage and an air discharge passage; a dust receptacle connected to a lower end of the cyclone body; and a screen dividing the cyclone body and interior space of the dust receptacle into a first chamber and a second chamber, the screen having a plurality of passing holes, wherein drawn air rotates in the first chamber and water separated from the air moves to the second chamber through the passing holes.

Abstract: A dust separating apparatus for a vacuum cleaner having a casing, a cyclone unit formed in the casing to filter contaminants from drawn-in air and discharge air removed of the contaminants, and a dust collection part arranged in parallel with the cyclone unit in the casing to collect the contaminant separated from the air by the cyclone unit. The casing is substantially semicircular to correspond to the mounting chamber of the vacuum cleaner body. On a bottom surface of the cyclone unit, an air inlet and an air outlet are formed. The air outlet is formed at one side of the air inlet.

Abstract: A vacuum cleaner includes a suction port assembly, a motor generating a suction force at the suction port assembly, and a cyclone dust collecting device for centrifugally separating air drawn in through the suction port assembly and the motor in sequence. The cyclone dust-collecting device includes an air discharge port penetratingly formed on an outer circumference of the cyclone dust-collecting device and exposed to an outside of the cleaner body, for guiding the air discharged to the outside. Accordingly, since the air discharge port is disposed in the cyclone dust collecting device, not in the cleaner body, a discharge channel for connecting the cyclone dust collecting device and cleaner body is omitted and thus a structure of the vacuum cleaner becomes simplified.

Abstract: A vacuum cleaner is provided that includes a cleaner body; a cyclone body rotatably mounted in the cleaner body; a dust receptacle detachably mounted in the cleaner body and disposed below the cyclone body; and a locking unit locking and releasing the cyclone body and the dust receptacle with respect to each other.

Abstract: A dust separating apparatus for a vacuum cleaner which is compact in configuration and is capable of preventing dirt from piling up on an entrance channel is provided. The dust separating apparatus includes a dust collecting receptacle adapted to collect dirt, and a cyclone unit eccentrically disposed in the dust collecting receptacle and adapted to whirl air drawn in through an inflow channel thereof, and the inflow channel may have an inclined upper surface which slopes downward toward a bottom of the dust collecting receptacle by a predetermined angle.

Abstract: A nozzle assembly of a vacuum cleaner is disclosed. The nozzle assembly includes a nozzle assembly body having an air inlet and an air outlet, a drum brush unit disposed in the nozzle assembly body in the vicinity of the air inlet, and having a drum brush disposed to brush away dirt or dust adhered to a surface to be cleaned while coming in rotation contact therewith, and a movable brush unit disposed in at least one of the front and the rear of the air inlet on an undersurface of the nozzle assembly body to pivot in an opposite direction to a moving direction of the nozzle assembly body thus to change a contacting angle to the surface to be cleaned in the range of a predetermined angle and then to brush away dirt or dust adhered to the surface to be cleaned, in moving of the nozzle assembly body.

Abstract: A multi dust-collecting apparatus for a vacuum cleaner separating dirt particles from air by taking two steps. The multi dust-collecting apparatus includes a dust-collecting unit to separate dirt particles from the air by using gravity and inertia, and a plurality of cyclones to swirl the air discharged from the dust-collecting unit and separate the dirt particles from the air by using centrifugal force.