Abstract: A vacuum cleaner includes a main body having an electric blower for generating a suction air flow, a dirt collecting case for centrifugally separating and collecting dirt, and a compression assembly for compressing dirt collected in the dirt collecting case to reduce a volume thereof. The dirt collecting case has a separation chamber for centrifugally separating dirt from the dirt containing air and a dirt collecting chamber in communication with the separation chamber for accumulating the dirt separated by the separation chamber. The compression assembly has a first air intake member provided in the separation chamber and communicating with the electric blower, a second air intake member provided in the dirt collecting chamber and communicating with the electric blower, a shielding plate for selectively opening the first and the second air intake member and an actuator for driving the shielding plate.

Abstract: A vacuum and disposal system for the collection and disposal of animal feces. The vacuum and disposal system consists of a vacuum source, a vacuum tube, a flexible hose, and an intake tube. The vacuum is provided by an electric motor powered by a rechargeable battery and is used to create a vacuum or suction through the vacuum tube, the flexible hose, and the intake tube to collect the animal feces. A cartridge having a filter is inserted into the intake tube to receive the animal feces collected. After collection, the vacuum and disposal system is converted to an unload position for the removal of the cartridge from the intake tube and the ultimate disposal of the animal feces. Alternatively, a compact vacuum and disposal system may be used in smaller areas.

Abstract: An attaching and detaching device for a contaminant collecting receptacle of a cyclone separator in a vacuum cleaner includes a sealing member having a through hole for providing fluid communication and air flow, a lever member surrounding the sealing member, and a guide member to guide upward and downward displacement of the lever member depending on the direction of displacement of the guide member.

Abstract: A bagless vacuum cleaner includes a separating unit for separating dirt and dust from a dirt-laden airflow which is drawn in by the cleaner. The separating unit has a chamber with a collection area for collecting dirt and dust which is separated from the airflow. A base of the separating unit is movable between a closed position and an open position. The base may be released by a trigger and a linking mechanism. The releasing mechanism is operable to apply an opening force to the base to push the base open, thereby allowing a tightly fining seal to be fitted to the base.

Abstract: The cyclone-type dust collecting apparatus for a vacuum cleaner can reduce reverse flow of dirt and kill any bacteria in the dirt-collecting receptacle. The cyclone-type dust-collecting apparatus has a protruding flow path formed on the front side of the cyclone body and a lamp-positioning groove depressed inwardly at one side of the dirt-collecting receptacle for an ultraviolet lamp disposed in the cleaner body to apply ultraviolet rays radiated into the dirt-collecting receptacle. Accordingly, various bacteria inside the dirt collecting receptacle can be killed as the ultraviolet lamp disposed in the lamp positioning groove of the dirt collecting receptacle continuously applies the ultraviolet rays into the dirt collecting receptacle while the cleaner is on.

Abstract: Street sweeper having dust control from two or more cleaning heads with one air source where one fan provides vacuum for a centrally located rotating broom which is surrounded by a vacuumized chamber and for a gutter broom which is surrounded by a vacuumized chamber. A plenum having a unique valving system and a filter shaker mechanism provides for filter cleaning and for a dirt and debris path from the plenum to a hopper bottom during filter cleaning.

Abstract: The invention describes a multi-layer filter structure and the use of a multi-layer filter structure for the dust removal from gases, wherein a coarse dust filter layer, a fine dust filter layer, and a support layer are disposed behind one another in the direction from the inflow side to the outflow side, and which is designed such that the fiber diameter distribution within the coarse dust filter layer and fine dust filter layer has a gradient, and that the fiber diameters of the coarse dust filter layer and fine dust filter layer continually decrease from the inflow side to the outflow side. This multi-layer filter structure may be used in a filter cassette for industrial dust removal, as well as in a stationary or mobile home dust cleaning device.

Abstract: An upright vacuum cleaner is provided. The upright vacuum cleaner includes a nozzle base section including a main suction opening formed in an underside thereof. An upright housing section is hingedly connected with the nozzle base section. The housing section includes a cyclonic airflow chamber and a dirt cup for receiving dirt and dust separated by the cyclonic airflow chamber. A hose connects the nozzle base section to the upright section and is selectively detachable from the nozzle base section. The hose communicates an airstream that flows from the main suction opening to airflow chamber. A suction source is located in one of the upright housing section and the nozzle base section and is in fluid communication with the cyclonic airflow chamber. A filter assembly is located in an airflow chamber upstream from the suction source.

Abstract: Disclosed is a street sweeper. The street sweeper includes a water tank, a collection hopper delimiting a refuse accommodating space and having a filtering screen, water spraying nozzles connected to the water tank, brushes positioned close to the street, a refuse suction tube placed adjacent to the brushes, and a blower unit for inducing suction force in the refuse suction tube. The street sweeper is adapted for sucking and collecting refuse existing on the street through the refuse suction tube into the collection hopper while water is sprayed from the water spraying nozzles. An opening is defined through a bottom wall of the collection hopper. A water inlet hole to be communicated with the opening is defined through a wall of the water tank. A filter assembly is arranged between the opening of the collection hopper and the water inlet hole of the water tank.

Abstract: A vacuum cleaner includes a dust-collecting chamber that is separated from the vacuum cleaner's motor chamber by a partition. The dust-collecting chamber is provided with disposable and reusable filters that separate and collect dusts and dirt from the air that is drawn into the dust-collecting chamber through an air inflow hole in the partition. The filters are supported by fixing guides disposed at sidewalls of an air inflow hole of the dust-collecting chamber.

Abstract: A vacuum cleaner is disclosed, which includes a main body formed of a fan motor generating a driving force therein, a fan, and a cyclone dust collector, a suction head connected to the main body and sucking in all kinds of impurity existing on a surface that is to be cleaned, a suction hose connected to the front portion of the main body and an extension tube connected to the suction head both installed between the main body and the suction head, a dust collecting chamber detachably fixed on a rear side of the main body and having a handle on an outer rear surface thereof, a lower holding part of the handle on the dust collecting chamber projecting beyond the lower circumference of the wheels and coming into contact with the surface of a lower step, when the front portion of the main body of the vacuum cleaner is fastened to the edge of an upper step, and a roller caster formed on both sides of the lower front portion of the main body allowing back-and-forth motions and rotations on a flat surface and fasteni

Abstract: A cyclone-type dust collecting apparatus having a dust removing portion for removing from the grill portion the dust and foreign substances that become attached to the grill portion of the grill member while the grill portion is rotated by the vortex air of the cyclone body. The dust removing portion includes rotating means disposed at a lower portion of the grill member for rotation by an air current passing therethrough; a rotary member rotatably connected to the rotating means, and disposed separate from an end of the grill member by a predetermined distance; and a brush member having one side connected to the rotary member and the other side being disposed in contact with the grill portion of the grill member for removing the dust and foreign substances from the grill portion. As the cleaning operation starts, the brush member inside of the cyclone-type dust collecting apparatus is rotated by the vortex current generated therein, to remove dust or contaminants from the grill portion of the grill member.

Abstract: A cyclone dust collecting apparatus for a canister type vacuum cleaner has a connection pipe connected to a suction brush, a cyclone body, and a dust collecting receptacle provided in the cyclone body. The dust collecting receptacle is positioned alongside the connection pipe, and the contacting side of the connection pipe is contoured to correspond to the shape of the outer contour of the dust collecting apparatus. The mating contact of the connection pipe and the dust collecting receptacle reduces the overall thickness of their coextensive lengths and provides a secure connection therebetween. The resulting compact configuration enables a user to use or carry the cyclone dust collecting apparatus more conveniently.

Abstract: Device for fastening a dust box to a cyclone vacuum cleaner, including an accommodating part having a space in a body of the cyclone vacuum cleaner, a dust box mounted in the accommodating part selectively, for collecting various foreign matters separated from air, and fastening means for moving the dust box in the accommodating part in up and down directions selectively for putting, or taking the dust box into/out of the accommodating part, whereby permitting smooth putting in and taking out the dust box with simple operation, and preventing escape of various foreign matters from the dust box during putting or taking the dust box in/out of the cleaner.

Abstract: An improved garment finishing machine includes an exterior housing with an entrance and an exit. An interior garment processing chamber processes garments moving downstream from the entrance to the exit. A blower draws air through the processing chamber. An air intake is located between the blower and the processing chamber. The improvement is a continuous lint filtration system. The filtration system includes a filtration medium adapted for capturing lint entrained in air drawn through the garment processing chamber and into the intake. A roller assembly is provided for mechanically advancing the filtration medium across the intake, such that a lint-covered portion of the filtration medium is automatically replaced at the intake with a clean portion of the filtration medium.

Abstract: A vacuum cleaner has a cyclone dust collector 4, arranged in a suction air passage, for separating dust by making sucked air into a whirling stream. The cyclone dust collector 4 has an inlet port 41a through which the sucked air is introduced, a dust collection chamber 41 for collecting separated dust, a lid 42 for opening and closing the dust collection chamber 41, an exhaust cylinder 44 through which the sucked air is discharged out of the dust collection chamber, and a shielding member 46 arranged below the exhaust cylinder 44. Dust is separated as a result of a whirling stream of air colliding with shielding ribs 46b and a circular portion 46a of the shielding member 46.

Abstract: A vacuum cleaner includes a first housing defining a cyclonic airflow chamber and a second housing defining a main suction opening that is in communication with an inlet of the cyclonic chamber. A suction source has a suction airstream inlet in communication with an outlet of the cyclonic chamber, and establishes a suction airstream that enters said main suction opening, passes through said cyclonic chamber, and passes to an outlet of said suction source. A substantial portion of particulates entrained in the suction airstream are separated therefrom when said suction airstream moves in a cyclonic fashion through the cyclonic chamber.

Abstract: A removable dust collection module (5) for use with vacuum cleaners as well as a vacuum cleaner incorporating such modules and a method of detachably securing the dust collection module (5) to a vacuum cleaner housing. The dust collection module is slidably received within a vacuum cleaner housing and comprises a latch member (81) that can move from a first position, in which it engages with the housing of the vacuum cleaner (1) to retain the dust collection module within the vacuum cleaner, to a second position out of engagement with the vacuum cleaner to allow the dust collection module to be removed. The latch member is displaceable from its first to second position by activation of a slideable release member (7) which is actuated by an end user so as to lock or unlock the dust collection module.

Abstract: Disclosed is a locking unit to fix a removable cyclone dust collector in a receiving portion of a main body of a vacuum cleaner. The locking unit comprises a locking recess formed at one side of a contact surface of the cyclone dust collector and the receiving portion. A lock element ascends and descends between a locking position and an unlocking position with respect to the locking recess and passes through a hole which is formed at another side of the contact surface of the cyclone dust collector and the receiving portion. An operating member selectively moves the lock element to the locking position and the unlocking position.

Abstract: A filtration arrangement of a vacuum cleaner includes a floor-engaging base unit, a body portion pivotally mounted on the base unit and a suction motor/fan assembly located in either the base unit or body portion. A dustcup is mounted on the body portion and is in fluid communication with a first air path so as to receive dirt laden air therefrom. A cyclonic member is disposed over the dustcup and is effective for imparting rotational motion to the dirt laden air entering the dustcup. An air tube is mounted centrally within the dustcup and extends from the bottom of the dustcup to an area near the top of the dustcup. A removable filter member is disposed over the top portion of the air tube. The removable filter has a central opening that cooperatively engages the top portion of the air tube to establish a second air path that extends from inside the dustcup to outside atmosphere through the suction motor/fan assembly.

Abstract: A valve and trigger cyclically connect a vacuum and a blower to a filter. The valve box has three openings, the first connectable to the vacuum, the second connectable to the blower and the third connectable to the filter. A gate inside the box, biased by the blower and the vacuum toward closing the first opening, is held against the bias by a trigger outside the box to close the second opening. The external trigger intervally operates to release the interior gate to close the first opening and open the second opening. The blower operates only if the trigger is operating. The gate is released once for approximately {fraction (1/12)} of a cycle interval during each trigger operating interval. A plurality of valves can be combined in a system with one trigger for cyclically sequentially connecting a plurality of filters to the vacuum and the blower.

Abstract: A cyclone dust collecting apparatus having a cyclone body for forming a vortex flow of contaminant-laden air that is drawn in through the air inflow port. The cyclone body includes a first connection pipe connected to an extension pipe adjacent to a suction port of the vacuum cleaner, and a second connection pipe connected to the extension pipe adjacent to a body of the vacuum cleaner. An air inflow port is interconnected with the first connection pipe, and an air outflow port is interconnected with the second connection pipe. A dust receptacle is removably connected to the cyclone body for receiving contaminants separated from the air by the vortex. A grill assembly is disposed at the air outflow port of the cyclone body, and has a plurality of longitudinal slots formed in an outer circumference of the grill body at a constant interval from each other.

Abstract: Disclosed is a soil collection receptacle attaching/detaching apparatus for a cyclone vacuum cleaner, which allows only a soil collection receptacle to be attached to or detached from a cyclone unit that includes a cyclone body as well as the soil collection receptacle, in which the cyclone unit is installed in an accommodation recess provided in a cleaner body, so that the soils in the soil collection receptacle can be conveniently dumped. Also disclosed is a cyclone vacuum cleaner provided with the soil collection receptacle attaching/detaching apparatus.

Abstract: A vacuum cleaner includes an electric blower for generating a suction air stream and a dust collecting unit for collecting dirt particles contained in the suction air stream. The suction air stream passing through the dust collecting unit into the electric blower flows in an approximately linear path. A dust removing unit is provided for removing dirt particles adhered to the dust collecting unit. The dust removing unit is preferably disposed adjacent to a communication hole between the dust collecting chamber and an electric blower chamber.

Abstract: A vacuum cleaner includes working elements of cleaner, that is, a blower and a dust collection unit disposed in a nozzle section of which casing is composed of an upper unit and a lower unit, and having a handle coupled to the nozzle section. At least one of the working elements is supported by the upper unit and a support unit provided in the lower unit or by the lower unit and a support unit provided in the upper unit. Therefore, the cleaner can be repaired without having all screws removed, thus repaired conveniently.

Abstract: A dirt collecting system for a vacuum cleaner includes a dirt cup formed with a first dirt collecting chamber and a second dirt collecting chamber separated by an apertured wall. An inlet opening is formed in the dirt cup and communicates with the first dirt collecting chamber for inputting a stream of dirt laden air into the first dirt collecting chamber. An exhaust opening is formed in the second dirt collecting chamber for allowing the filtered air stream to exit the dirt cup. The aperture wall includes a pre-filter for filtering coarse particles from a stream of dirt laden and depositing the coarse particles in the first dirt collecting chamber. A filter member is positioned within the second dirt collecting chamber and communicates with the exhaust port. The filter element filters fine particles from the air stream and deposits the fine particles within the second dirt collecting chamber.

Abstract: A quick change, self-contained vacuum system includes a debris container with an input opening and a pressure head that is configured to receive a fluid under a high pressure and which includes a low pressure inlet and an exhaust port. A guide pin may be provided along with a body that is selectively engageable with the pressure head and the guide pin. The body includes a bore having a first port communicating with the exhaust port of the pressure head and a second port communicating with the input opening of the debris container. The vacuum system further includes a shutoff valve that is operable in response to movement of the guide pin. In operation, movement of the guide pin relative to the body in one direction establishes locking engagement of the pressure head and the body along with a response by the shutoff valve to establish fluid communication between the exhaust port of the pressure head and the input opening of the debris container.

Abstract: A cyclone dust collecting apparatus having a cyclone body that has a first connection pipe connected to an extension pipe adjacent to a suction port of the vacuum cleaner, and a second connection pipe connected to the extension pipe adjacent to a body of the vacuum cleaner, and an air inflow port interconnected with the first connection pipe. An air outflow port is interconnected with the second connection pipe. The cyclone body is adapted to form an air flow vortex of contaminant-laden air that is drawn in through the air inflow port. A dust receptacle is removably connected to the cyclone body for receiving contaminants separated from the air by the vortex. A grill assembly is disposed at the air outflow port of the cyclone body, and has a plurality of longitudinal slots formed in an outer circumference of the grill body at a constant interval from each other.

Abstract: The invention relates to a cyclonic dirt separator comprising a dirt-collection assembly including a dirt tank having an inlet aperture and an outlet aperture, a cyclonic separator, at least one filter element, and a suction source fluidly connected with the dirt collection assembly. In one embodiment, the cyclonic dirt separator includes a separator plate cooperating with the housing to form a toroidal region of the dirt tank for aiding in the separation of dirt from a suction airstream developed by the suction source. The separator plate has an outer diameter smaller than the inner diameter of the dirt tank, creating a gap between the outer edge of the separator plate and the inner wall of the dirt tank. A further embodiment includes fins projecting from a sidewall of the dirt tank, and fingers projecting from a bottom wall of the dirt tank, to reduce re-entrainment of dirt particles.

Abstract: An upright vacuum cleaner includes a nozzle assembly having a nozzle cavity and a canister assembly pivotally connected to the nozzle assembly. A dust bag is carried by the canister assembly. A dirty air pathway provides fluid communication between the nozzle cavity and dust bag. A suction generator generates a vacuum for drawing dirt and debris from the nozzle cavity, through the dirty air pathway to the dust bag. The dirty air pathway includes dual suction ports carried on the nozzle assembly in fluid communication with the nozzle cavity, a splitter carried on the canister assembly, dual suction hoses in fluid communication between the dual suction ports and the splitter, a removable bag mount carried on the canister assembly and a feed conduit on the canister assembly which provides fluid communication between the splitter and the removable bag mount.

Abstract: An upright vacuum cleaner is disclosed. The upright vacuum cleaner includes a carpet engaging nozzle base and an upper housing pivotally attached to the nozzle base. The upright vacuum cleaner further includes a removable bucket releasably secured to the upper housing and a bucket handle rotatably attached to the bucket and movable between a first position and a second position. The upright vacuum cleaner yet further includes a latch adapted to secure the bucket to the upper housing when the handle is in the first position and release the bucket from the upper portion when the handle is in a second position. The bucket may be removed from the upper housing when the latch is released from the upper housing. The bucket is re-secured to the upper housing by returning the bucket handle to the first position. A method of operating a upright vacuum cleaner is also disclosed.

Abstract: A filter assembly for a cyclone-type dust collecting apparatus of a vacuum cleaner which filters the dust included in the air current discharged from the outlet port of the cyclone-type dust collecting apparatus is disclosed. The present filter assembly comprises a rotating filter rotatively coupled against said outlet port and provided with an inlet grill formed on the outer circumferential surface and an outlet in communication with an outlet port; an operation bar arranged in the axial direction within said dust collection container and provided with one end coupled to said rotating filter and with another end passing through said dust collection container and exposed to the outside; and a handling knob coupled to said another end of said operation bar enabling said operation bar to be rotated wholly with said rotating filter.

Abstract: The present invention is an improved vacuum collection bag for vacuum cleaners and other appliances. By employing an impermeable bag and an air-permeable particle separator together with a tight seal against a vacuum system dirt tube in place of a conventional paper bag filter, it has been determined that the vacuum cleaner bag can be reused and significantly improve the filtration performance of the vacuum system.

Abstract: A filter cleaning device for a cyclone vacuum cleaner which comprises a cyclone body having a suction port and a discharge port, a dust collecting receptacle connected to the cyclone body for collecting dusts separated from air drawn in through the suction port, and a filter connected to the discharge port and disposed inside the dust collecting receptacle. The filter cleaning device includes a manipulation unit disposed under the filter to approach to, and retreat from the filter. A connection member is interposed between the manipulation unit and the dust-removing ring for moving the dust-removing ring in association with the approaching and retreating movements of the manipulation unit. An elastic spring is interposed between the filter and the manipulation unit for urging the manipulation unit to retreat from the filter.

Abstract: A vacuum cleaner includes a nozzle assembly and a canister assembly connected to the nozzle assembly. The nozzle assembly includes an inlet. A suction generator is carried on one of the nozzle assembly and canister assembly. A cyclonic separation chamber is carried on one of the nozzle assembly or the canister assembly. The cyclonic separation chamber includes an inlet and first and second outlets. A dirt collection vessel has a dirty air inlet in fluid communication with the first outlet of the cyclonic separation chamber and a discharge outlet in fluid communication with the suction generator.

Abstract: A filter assembly for a cyclone type dust collecting apparatus of a vacuum cleaner. In the cyclone type dust collecting apparatus of the vacuum cleaner which centrifugally separates contaminants from an externally-drawn air and collects the separated contaminants therein, the filter assembly filters contaminants floating in an air which is discharged through an exhaust port of the vacuum cleaner. The filter assembly is provided with a rotary filter rotatably connected with respect to the exhaust port and a filter rotating unit. The rotary filter is provided with a suction grill portion at the outer circumference and a discharge port fluidly connected to the exhaust port of the cyclone type dust collecting apparatus, and the filter rotating unit is for rotating the rotary filter and thus removing contaminants filtered on the surface of the suction grill portion.

Abstract: A vacuum cleaner includes a removable filter element and an indicator member having a first position when the filter member is removed from the cleaner and a second position when the filter member is in place in the cleaner and being readily visible to a user of the vacuum cleaner in at least one of the first and second positions. When the indicator member is in the first position, the vacuum cleaner cannot be used to collect dust and dirt.

Abstract: An upright type vacuum cleaner has a cleaner body having a vacuum generating apparatus disposed therein and a suction brush disposed at a lowerportion; a cyclone unit for separating contaminants from contaminant-laden air and discharging a contaminant-free air through an outflow passage interconnected with the vacuum generating apparatus, the contaminant-laden air being drawn in through an inflow passage interconnected with the suction brush; a dust receptacle removably connected to an underside of the cyclone unit for collecting the contaminants separated by the cyclone unit; a longitudinally movable locking unit for connecting to and separating the dust receptacle from a lower portion of the cyclone unit by longitudinally moving the dust receptacle upward and downward; and a means for preventing an incorrect connection of the dust receptacle to the lower side of the cyclone unit.

Abstract: A vacuum cleaner has a first cyclonic cleaning stage and a second cyclonic stage positioned in series with the first cyclonic cleaning stage. The second cyclonic stage comprises a plurality of second stage cyclones. A passage connects the first cyclonic cleaning stage outlet and the second stage cyclones inlets. The passage does not increase in cross-sectional area in a downstream direction.

Abstract: A cyclone dust collecting device for a vacuum cleaner includes a cyclone body and a cyclone housing for separating the contaminants from the air. The cyclone housing includes a cyclone cover and a dust collecting container. The cyclone cover has a cylindrical shape, one end of which is coupled to the cyclone body. The other end is a slanted end with a through-hole formed therein and a centrally located dome-shaped protrusion. The dust collecting container also has a slanted end, which is detachably engaged with the slanted end of the cyclone cover. The other end of the dust collecting container is tapered to correspond with the slanted end of the cyclone cover. The slanted end of the cyclone cover protects a grill in the cyclone dust collecting device during operation and removal of contaminants from the dust collecting container.

Abstract: A vacuum cleaner includes a dust collection compartment inside of which a dust bag with a reinforcing plate, which has a clip connected to the underside thereof, can be placed. The clip tapers toward the bottom in the shape of a funnel or trapezoid and is suited for insertion into a correspondingly configured fixture. The fixture has lateral guide elements that guide the reinforcing plate when pushed in. The configuration enables the dust bag to be easily inserted into the dust collection compartment without the involving the difficult placement inside a guide profile.

Abstract: An upright vacuum cleaner includes a floor nozzle having a suction inlet and a handle. A housing has a first portion connected to the floor nozzle, a second portion connected to the handle and defines a cavity and at least one chamber. A dirt cup assembly is releasably connected to the housing and is at least partially received by the cavity. The dirt cup assembly defines a cyclonic airflow chamber and includes a wall. An inlet duct is defined on the dirt cup assembly wall and a filter assembly is removably positioned in the dirt cup assembly.

Abstract: Upright-type vacuum cleaner includes a cleaner body having a dust collecting chamber and motor driving chamber, suction brush, and cyclone dust collecting device removably mounted on the dust collecting chamber including a cover, cyclone body for centrifuging and collecting contaminants entrained in the air, and dust collecting receptacle removably disposed for collecting contaminants entrained in the air by a centrifugation air vortex. The cyclone body includes upper body in which is disposed second inlet port, in fluid communication with the first inlet port, and lower body connected to the cyclone body in which is disposed second outlet port, in fluid communication with the first outlet port, the cyclone body inducing air drawn in through the second inlet port together with contaminants into vortex. Optionally, grill has a plurality of perforations to filter out small particle contaminants. The device prevents a backflow of contaminants, thereby, collecting contaminants more effectively.

Abstract: A wet/dry vacuum cleaner includes a debris collection drum having a top opening and a power head covering the top opening of the collection drum, which has an inlet and an outlet. A rotating filter filters dust laden air and is suspended from the power head extending into the collection drum. The power head has an impeller to draw dust laden air, through the inlet, into the collection drum, through the filter, to remove particulate from the dust laden air and to discharge the filtered air through the outlet. The impeller is driver by an electric motor. A stationary blade within the collection drum scrapes an outer surface of the rotating filter, while rotating, to remove accumulated globs of debris from the outer surface of the filter and drop the debris into the collection drum.

Abstract: A cyclone dust collecting apparatus that includes a cyclone body that has an inflow passage and a outflow passage, and is removably connected with a cleaner body; a grill body that has a connection passage for being connected with the outflow passage; a shielding member removably connected with the grill body in order to shield a lower opening of the grill body; a dust collector removably connected with a lower part of the cyclone body in order to collect dust separated in the cyclone body; and a blocking member for preventing the dust collector from being connected with the cyclone body when the shielding member is not assembled at the grill body. Also, an upright vacuum cleaner which utilizes the apparatus.

Abstract: A fixing device for attaching and detaching a dust receptacle to and from a cyclone unit, which comprises a cyclone body and the dust receptacle and mounted in a mounting portion of a cleaner body. The fixing device comprises a dust receptacle comprising a sliding groove formed with a predetermined depth and height extended backward from a center of a bottom side of the dust receptacle that is opposite to a bottom side of the mounting portion. A guide member is disposed in the sliding groove for guiding attachment and detachment of the dust receptacle. An operation lever with a cam part having a cam projection for insertion into the cam guider, is rotated and counter-rotated to thereby move the guide member upward and downward at a height according to an eccentricity of the cam part.

Abstract: A cyclonic vacuum cleaner (10) comprises a separating unit (20) for separating dirt and dust from a dirt-laden airflow which is drawn in by the cleaner. The separating unit (20) has a chamber (205) with a collection area for collecting dirt and dust which is separated from the airflow. A base (210) of the separating unit (20) is movable between a closed position (FIG. 3) in which the closure member (210) seals the chamber and an open position by operation of a releasing means (220, 222, 230, 260). The releasing means is inhibited from releasing the base (210) when the unit (20) is stowed on the chassis (50) of the cleaner.

Abstract: A vacuum cleaner includes a first housing defining a cyclonic airflow chamber and a second housing defining a main suction opening that is in communication with an inlet of the cyclonic chamber. A suction source has a suction airstream inlet in communication with an outlet of the cyclonic chamber, and establishes a suction airstream that enters said main suction opening, passes through said cyclonic chamber, and passes to an outlet of said suction source. A substantial portion of particulates entrained in the suction airstream are separated therefrom when said suction airstream moves in a cyclonic fashion through the cyclonic chamber.

Abstract: A cyclone-type dust collecting apparatus for a vacuum cleaner having a dual contaminant separating structure in which contaminants can be effectively separated and collected comprising a cyclone body having a dual structure including a first outer cylinder and a first inner cylinder with the lower part open, and an air inlet portion and an air discharge portion connected to an upper surface of the body portion in an area of an upper surface of the inner cylinder for air, including entrained contaminants, to flow in through the air inlet portion to form a cyclone stream, a first contaminant discharge path formed on the lower side of the first inner cylinder for discharging contaminants to a space between the first inner cylinder and the first outer cylinder, a contaminant collecting receptacle having an inner space divided into a first contaminant collecting space and a second contaminant collecting space by the dual structure of a second outer cylinder corresponding to the first outer cylinder and a second in

Abstract: A cyclone dust collecting apparatus for a vacuum cleaner is disclosed. The cyclone dust collecting apparatus for the vacuum cleaner includes a cyclone body having an air inflow port and air outflow port, for forming a vortex air current of contaminant-laden air drawn in through the air inflow port, a dust receptacle removably connected to the cyclone body for receiving dusts and contaminants separated from the air. A grill disposed inside the cyclone body helps to prevent the flow of the dust and contaminants separated from the air through the air outflow port. The grill can rotate and can also include sloped air path members.