Abstract: It is provided in the present invention with a pervasive dedusting device for a vacuum cleaner, which includes a tank with a wind inlet and a wind outlet. A filter barrel is mounted inside the tank while a cyclone barrel is mounted inside the filter barrel. The cyclone barrel is configured to be a conical barrel with a smaller upper end and a larger lower end and a cyclone wind inlet is disposed on it. The wind inlet on the tank and the cyclone wind inlet on the cyclone barrel are separated by the filter barrel and located in two chambers respectively. A wind outlet tube is located in the upper end of the cyclone barrel and communicates with the wind outlet. The pervasive dedusting device has low air flow pressure loss, improved dust suction effect, fine dust filtering function, decreased operation noise, and it can effectively prevents secondary pollution and filter out fine dust completely.

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 vacuum cleaner includes a housing having a suction inlet, a dirt collection vessel carried on the housing and a suction generator carried on the housing. The dirt collection vessel includes a dirt collection chamber and a spiral air guide providing a spiral air path to improve cleaning efficiency. The spiral air guide includes an inlet at a first end and a split outlet at a second end. The split outlet includes a head wall at a particular included angle with respect to the airflow path. The suction generator is provided in fluid communication with the suction inlet, the dirt collection vessel and the spiral air guide.

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: Provided is a dust collection unit of a vacuum cleaner, including a dust collection container and a coupling portion formed at a concaved inside of the dust collection container, for allowing a lower cover to be selectively coupled to the dust collection container. The dust collection unit is firmly supported against an external impact, thereby enhancing the reliability of the vacuum cleaner and preventing the vacuum cleaner from being damaged.

Abstract: A multi-cyclone dust separating apparatus includes: a multi-cyclone unit including a first cyclone chamber body having a first cyclone chamber and at least one protection chamber formed around at least a portion of an outer circumference of the first cyclone chamber, and at least one secondary cyclone chamber body disposed in the protection chamber, each secondary cyclone chamber body having at least one secondary cyclone chamber; a cover unit connecting an upper end of the multi-cyclone unit and guiding air discharged from the first cyclone chamber to the at least one secondary cyclone chamber; a dirt collecting unit adapted to connect to a lower end of the multi-cyclone unit and configured to collect dirt separated from the air in the first and secondary cyclone chambers; and an air discharge duct configured to discharge air that has passed through the multi-cyclone unit.

Abstract: A filter assembly for a vacuum cleaner is provided. The filter assembly includes a filter case and a primary filter attached to an outside of the filter case. The primary filter filters out fine dust contained in air from which relatively large dust has been separated. A secondary filter provided in the filter case filters Out fine dust remaining in the air after passing through the primary filter. The primary and secondary filters are removeable from the filter case so that dust and dirt accumulated in the filter assembly during the process of filtering the fine dust can be cleaned out, and the filters can be used semi-permanently.

Abstract: A separator/collector assembly (50) able to be installed in relation to a body (51) of a suction cleaner, the separator/collector assembly providing storage for a suction hose which can be deployed for use when required.

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.

Abstract: A multi-cyclone dust collector including at least one first cyclone forcing contaminants-laden air that is entered into a lower portion of the at least one first cyclone to whirl so as to centrifugally separate contaminants from the contaminants-laden air; and at least one second cyclone being disposed around the at least one first cyclone, the at least one second cyclone forcing semi-clean air that is discharged from the at least one first cyclone and is entered into a lower portion of the at least one second cyclone to whirl so as to centrifugally separate fine contaminants from the air.

Abstract: A cyclonic vacuum cleaner includes a body portion, a nozzle portion and a dirt cup which is removable from the body portion. The dirt cup collects dirt and other debris separated by a cyclone and a cyclone slinger portion in the body portion. A main filter may be housed in a transparent filter door downstream of the cyclone. The dirt cup may be inserted into and sealingly held within the body portion by using a rotational camming structure.

Abstract: A grille member that can be used, for example, in a cyclone dust-collecting apparatus and a vacuum cleaner comprises a body around which a rotating current is formed, and a plurality of air passages formed at the body to guide the rotating current into the body. In an embodiment, the air passages have a leading surface facing toward a flow direction of the rotating air current and a tail surface upstream from the leading surface relative to the rotating air current, such that at least one plane extending along the tail surface and a line along the flow direction of the rotating air current meet at an obtuse angle. In this way, stagnant vortices are not generated in the vicinity of the tail surfaces of the air passages, and dust and the like do not accumulate in the vicinity of the tail surfaces of the air passages when dirt is centrifugally separated from drawn-in air by the rotating current.

Abstract: This invention discloses a subsection dedusting device for a vacuum cleaner comprising an upper cyclone separator including a wind outlet and several lower cyclone separators located below said upper cyclone separator, wind inlets of said lower cyclone separators in fluid communication with said wind outlet of said upper cyclone separator, thereby increasing wind quantity while reducing the whole bulk of the machine, and keeping a relatively high dedusting efficiency, and besides the lower cyclone separator of the present invention adopts a pervasion construction, and air flow rotates in a decelerated and acentric state in the conical barrel, thereby the pressure loss of the air flow is little, and accordingly, obtain a good dust suction effect.

Abstract: The present disclosure provides a vacuum cleaner including a nozzle base having a main suction opening and a housing pivotally mounted on the nozzle base. An airstream suction source is mounted to one of the housing and the nozzle base for selectively establishing and maintaining a suction airstream flowing from the nozzle main suction opening to an exhaust outlet of the suction source. A filter housing is mounted to one of the nozzle base and the housing. The filter housing comprises a filter mounted in the filter housing. An ultraviolet light source is disposed in the filter housing and shines on the filter for disinfecting same.

Abstract: A cyclonic separating apparatus for separating solid material from a fluid includes a separating chamber, an inlet communicating with the separating chamber for carrying the fluid with the solid matter entrained therein to the separating chamber, and an outlet for carrying the fluid away from the separating chamber after the solid material has been separated therefrom. The outlet is formed by a conduit communicating with the interior of the separating chamber and having a longitudinal axis. A plurality of grooves are formed in an interior surface of the conduit outlet and extend in the same direction as the longitudinal axis. The presence of the grooves in the outlet has the effect of reducing noise generated by the apparatus when in use and also improves pressure recovery.

Abstract: An upright vacuum cleaner includes a nozzle base having a main suction opening formed in an underside thereof. A housing is hingedly connected to the nozzle base. The housing includes a dirt separation chamber and a dirt receptacle for receiving dirt and dust separated by the dirt separation chamber. A conduit connects the nozzle base to the housing. A suction source is located in one of the housing and the nozzle base. The suction source is in fluid communication with the dirt separation chamber. A generally conically shaped filter extends into the dirt separation chamber along a longitudinal axis of the dirt separation chamber.

Abstract: Defoaming equipment, and more particularly, removing, defoaming, and storing large amounts of foam after a Blast Mitigation or Decontamination Foam has been used in either an open area or in an contained area is described. An apparatus is provided for defoaming, comprising: a vacuum system, including a vacuum head for drawing the foam through a suction hose terminating in a nozzle, that feeds the foam into a holding tank that initially stores a quantity of defoaming agent, and a pump drawing the defoaming agent from the holding tank to at least one injector that is fitted on the vacuum-side of the vacuum system, whereby the defoaming agent is actively mixed with the collected foam, reducing the collected foam. The reduced foam and defoaming agent are recirculated through the pump and the nozzle, the suction hose, the vacuum system, the injector and holding tank are of chemical-resistant construction.

Abstract: A filter device for a vacuum cleaner includes a casing having a collecting space therein, a suction opening through which air including dust is sucked, formed eccentrically at one side so that sucked air can be rotated and a discharge opening through which purified air is discharged. A filter is installed at an internal space of the casing, for filtering dust from air sucked through the suction opening. A filter cleaning unit is disposed at an outer circumferential surface of the filter, for cleaning the filter by being rotated by a rotation force of air sucked through the suction opening. A rotation restrainer is provided for restraining rotation of the filter cleaning unit when the filter cleaning unit reaches a topmost position. Accordingly, fine dust attached to the filter in cleaning is removed so that a channel of the filter can be prevented from being closed.

Abstract: A dust separator of a cyclone type cleaner includes a first dust separator connected to a suction pipe, for separating dust from air by a centrifugal force for the first time; a collecting container connected to a lower portion of the first dust separator and in which the dust separated in the first dust separator is collected; and a second dust separator connected to an upper portion of the first dust separator, for sucking air which has passed through the dust separation in the first dust separator and separating dust from the air by a centrifugal force for the second time, so that an efficiency of collecting dust is improved without deteriorating a suction force of air.

Abstract: A dust separating apparatus for a suction cleaner comprises a cyclonic separating device (10) having a body (12) with an inlet and an outlet for a stream of air and an outlet for separated dust to enter a receptacle (34) for the dust, the body having a part (14) movable in relation to the rest (13) of the body while the rest of the body remains in position in the cleaner, to give access to the interior of the body for cleaning. There may be two separating devices (10, 11) arranged in succession, both having removable body parts (14, 24).

Abstract: A cyclonic separating apparatus includes a chamber for separating dirt and dust from an airflow, an inlet to the chamber and a shroud. The shroud includes a wall having inner and outer surfaces and a multiplicity of through-holes forming an outlet from the chamber. Each through-hole has an axis. The inner surface of the wall has a serrated profile having a plurality of serrations arranged around at least a part of the circumference of the wall, each serration having a first face and a second face. At least one through-hole passes through the first face of at least one serration. By providing a plurality of serrations around the inner circumference of the wall, the airflow is forced to follow a longer path through each through-hole for when compared to conventional arrangements. This reduces the amount of dirt and dust which is able to pass through the shroud.

Abstract: A multi-cyclone apparatus is capable of separating and collecting contaminants by three stages. The multi-cyclone apparatus has a first collecting unit which separates large-sized contaminants from an air which is drawn through an air suction port, a cyclone body comprising a second cyclone which is communicated with the first collecting unit and separates middle-sized contaminants from the drawn air, and a plurality of third cyclones arranged around the second cyclone and separate small-sized contaminants from the drawn air, an air discharge port communicated with the cyclone body, through which the air is discharged after passing through the third cyclones, and a contaminant receptacle provided to a lower end of the cyclone body, and collects contaminants separated from the second and the third cyclones.

Abstract: A multi-cyclone dust separator according to an embodiment of the present invention comprises at least three dust separation units for separating dust stepwise from relatively larger size. The dust separation units comprise a first dust separation unit primarily separating dust from external air drawn in; a second dust separation unit secondarily separating dust from the air primarily dust-separated by the first dust separation unit; and a third dust separation unit thirdly separating dust from the air secondarily dust-separated by the second dust separation unit. Here, the first to third dust separation units are multi-layered in a serial manner.

Abstract: A vacuum cleaner includes a housing having a filter bag cavity. A suction generator and a bag mount are both carried on the housing. Additionally, the vacuum cleaner includes a bag caddy that is displaceable between an operating position connected to the bag mount and a bag disposal position disconnected from the bag mount.

Abstract: A cyclonic separating apparatus includes a first cyclonic separating unit including at least one first cyclone, a second cyclonic separating unit located downstream of the first cyclonic separating unit and including at least one second cyclone, and a third cyclonic separating unit located downstream of the second cyclonic separating unit and including a plurality of third cyclones arranged in parallel. The separation efficiency of the first cyclonic separating unit is lower than the separation efficiency of the second cyclonic separating unit and the separation efficiency of the second cyclonic separating unit is lower than the separation efficiency of the third separating unit, thus achieving a higher separation efficiency than known separation apparatus.

Abstract: A vacuum cleaner is provided having improved pressure loss characteristics. A fluid supply conduit in flow communication with an inlet to a cyclone is integrally formed as part of a cyclone bin. The present invention may be adapted for use with cyclonic separation devices of all types, including single- and multi-stage cyclonic separators.

Abstract: A latching mechanism for the dust cup assembly on a bottom exit cyclone-separator vacuum cleaner, including a non-rotating annular seal member supporting the dust cup assembly above a discharge outlet, and a U-shaped slide lock member movable in and out underneath the dust cup assembly to raise and lower the seal member, thus raising and lower the dust cup assembly into and out of engagement with a cyclone separator chamber.

Abstract: A particle separation member is provided for use with a cyclone separator. The particle separation member divides the separator into a cyclone chamber and a particle receiving chamber. The cyclone chamber and the particle receiving chamber communicating via a plurality of apertures in the particle separation member.

Abstract: A cleaning appliance includes a main body and a collecting chamber releasably held on the main body. The collecting chamber includes a closure member which is movable between a closed position and an open position in which the collecting chamber can be emptied and an actuating member adapted and arranged to release the collecting chamber from the main body and, when the collecting chamber is released from the main body, to release the closure member from the closed position. By providing such an arrangement, a single actuating member can be used to release the collecting chamber from the main body of the cleaning appliance and also to open the closure member to empty the collecting chamber. A single actuating member is less complex, requires less space and is more intuitive for a user to operate.

Abstract: A removable dust collector for use in a dust compartment of a vacuum cleaner is provided and includes a holder that maintains the dust collector in an operating position, and a locking member that is placed in a locking position when the dust collector is removed. A cover of the dust compartment is prevented from closing and is placed in a release position when the dust collector is in an operating position. The locking member is maintained in its release position either by means of a filter bag inserted into a carrier or by an actuating member associated with the dust collector.

Abstract: An upright vacuum cleaner with a floor engaging base unit, a body unit pivotally mounted on the base unit, and a dirt chamber removably mounted to the body unit. A filtration device is removably mounted to the dirt chamber, and includes a first member projecting into the dirt chamber and being adapted to allow air to pass therethrough and remove particles from the airflow, and a second member extending from the first member to a sidewall of the dirt chamber to hold the filtration device at a fixed vertical location within the dirt chamber.

Abstract: A vacuum cleaner is disclosed. The vacuum cleaner includes a motor casing to receive a driving motor with an air outlet through which air from a dust collecting chamber flows. The vacuum cleaner includes a cleaner body with a driving chamber that receives the motor casing therein. An air discharge unit is disposed at the cleaner body through which air which flows from the motor casing of the driving motor is discharged to an outside of the driving chamber. Noise reduction is achieved by guiding and reversing a discharging direction of air discharged from the motor casing at least two times.

Abstract: A cleaning apparatus for cleaning a surface in which cleaning solution is dispensed to the surface and substantially simultaneously extracted along with the dirt on the surface in a continuous operation is provided. In one aspect of the invention, the cleaning apparatus includes a housing and a recovery tank removably mounted to the housing. A solution tank for supplying a flow of cleaning solution to the surface is removably mounted to the housing. A suction nozzle is secured to the housing and is in fluid communication with the recovery tank. A suction source is in fluid communication with the suction nozzle for generating suction to draw dirt and liquid through the suction nozzle and into the recovery tank. A first latch is operatively connected to the solution tank to releasably latch the solution tank to the housing and a second latch is operatively connected to the recovery tank to releasably latch the recovery tank to said housing, wherein the second latch is in close proximity to the first latch.

Abstract: An exhaust assembly for an appliance includes a filter housing for retaining a filter and an exhaust duct which receives airflow from the filter housing. One or more vanes are positioned in the filter housing for guiding airflow from the exhaust side of the filter to the exhaust duct. The vanes spread the airflow entering the exhaust duct across the width thereof so as to reduce noise and to reduce the velocity of the exiting air. The exhaust duct increases in cross-sectional area in the direction of flow through the exhaust duct so as to further reduce the velocity of the exiting air.

Abstract: A bagless vacuum cleaner system dustcup assembly and method for using said system with a vacuum cleaner apparatus to separate dirt from a mixture of dirt and air inducted into said vacuum cleaner apparatus. Said bagless vacuum cleaner system generally comprises a dustcup assembly, a handle assembly and a motor intake adaptor.

Abstract: A cleaning appliance, in particular vacuum cleaner. The appliance comprises a filter and a heating device, by means of which the filter can be heated to carry out a pyrolytic cleaning process. During and/or after said pyrolytic cleaning process, at least neighbouring areas of the filter are cooled by a cooling air stream and the heating device is supplied with energy from a primary energy source. To prevent the risk of overheating and a potential fire if the primary energy source fails, the appliance is equipped with a secondary energy source, which can be used to generate the cooling air stream, at least if the primary energy source fails.

Abstract: A dust collection unit for a vacuum cleaner includes a dust collection container for collecting foreign objects contained in air introduced therein, covers defining a top and bottom of the dust collection container, and a filter-cleaning unit having a plurality of brushes rotating around the porous filter unit to remove the foreign objects clogging the outer surface of the porous filter unit.

Abstract: A dirt separation and collection assembly suitable for use in a bagless vacuum cleaner including two dirt separation and collection zones is provided. Dirty air enters the upper portion of a container and enters a first stage dirt separation zone including a disruptor ring extending inwardly from the outer wall to allow coarse dirt particles and fibers to pass through and collect at the base of the outer wall of the device. The spinning air is then drawn through a conical shroud and fed into a second stage conical separator for separating fine dirt particles and collecting them in an inner substantially cylindrical collection chamber. Air exits the conical separator at the opposite cone opening before being drawn to the suction source. Elements may be oriented upwardly or downwardly depending upon the configuration of the housing for receiving the dirt separation and collection assembly.

Abstract: A surface cleaning apparatus is disclosed. In some embodiments, the surface cleaning apparatus comprises a member having a dirty fluid inlet. A fluid flow path extends from the dirty fluid inlet to a clean air outlet of the surface cleaning apparatus and includes a suction motor. At least one cyclone is positioned in the fluid flow path and has at least one material outlet and a divider plate associated with the material outlet. A material collection chamber is in flow communication with the at least one cyclone. The apparatus further comprises a liner bag retaining member.

Abstract: A surface cleaning apparatus has a cleaning unit that is mounted on a wheeled base.

Abstract: A vacuum cleaner is provided having improved pressure loss characteristics. A fluid supply conduit in flow communication with an inlet to a cyclone is integrally formed as part of a cyclone bin. The present invention may be adapted for use with cyclonic separation devices of all types, including single- and multi-stage cyclonic separators.

Abstract: A surface cleaning apparatus is provided. The surface cleaning apparatus comprises a fluid flow path extending from a dirt inlet to a clean fluid outlet, and a fluid flow motor positioned in the fluid flow path. The surface cleaning apparatus further comprises a first cyclonic cleaning stage comprising a cyclone chamber. A dirt chamber is in fluid communication with the cyclone chamber and positioned below the cyclone chamber. The dirt chamber has a dirt chamber inlet that is off-centre.

Abstract: Several alternate improvements of a vacuum cleaner are provided. In one aspect, the vacuum cleaner utilizes interchangeable components. In another aspect, the vacuum cleaner comprises a chamber having a top, and a first cleaning stage and suction motor are provided on the top. In another aspect, the vacuum cleaner utilizes a reconfigurable divider plate.

Abstract: According to certain embodiments of the invention, a pressure washing system delivers a cleaning fluid under pressure to a surface to be cleaned, and includes a fluid pump unit for supplying the fluid to the surface. A fluid collector captures wastewater runoff of the cleaning fluid on the surface to be cleaned. The vacuum pump unit withdraws the captured waste fluid from the fluid collector.

Abstract: A dust collecting unit for a vacuum cleaner is provided. The dust collecting unit includes a dust separating chamber with an air inlet formed on an outer surface thereof and an air outlet formed on one side thereof, a main dust collecting chamber formed in the dust separating chamber for separating dust and dirt in a cyclonic fashion, an auxiliary dust collecting chamber formed at one side of the main dust collecting chamber, and a partition plate for partitioning the main dust collecting chamber. The dust collecting unit allows an amount of air sucked and the efficiency of collecting dust and dirt to be greatly increased.

Abstract: An upright vacuum cleaner comprises a housing having a suction airstream inlet and a suction airstream outlet. A dirt container is selectively mounted to the housing for receiving and retaining dirt and dust separated from the suction airstream. The suction airstream inlet and the suction airstream outlet are in fluid communication with, respectively, an inlet and an outlet of the dirt container. The dirt container includes a first cyclonic airflow chamber and a second cyclonic airflow chamber, each cyclonic airflow chamber including a longitudinal axis. The second cyclonic airflow chamber is spaced from the first chamber, wherein the first and second chambers are each approximately vertically oriented and are arranged in a parallel relationship. An air manifold is disposed at a top portion of the dirt container. The air manifold includes an inlet section through which dirty air passes and an outlet section.

Abstract: A cyclone separating apparatus and a vacuum cleaner having the same are provided. The cyclone separating apparatus includes a cyclone body including a cyclone chamber and a dust collecting chamber, a cover unit connected to an upper portion of the cyclone body, a door unit openably mounted to a bottom portion of the cyclone body, and at least one noise reducing rib formed in an air discharging pipe in the cyclone chamber.

Abstract: A vacuum-operable feces collector includes a primary housing having an outer wall for defining a cavity therein. The housing further has a rear portion provided with a plurality of vents. The device further includes a vacuum mechanism for collecting the excrement from a support surface. Such a vacuum mechanism includes an elongated hose and further includes a cage removably positionable within the auxiliary housing and a motor and a rotary fan operably connected thereto. The motor and the fan are housed within the cage wherein the cage has a plurality of outlet openings and an inlet port disposed upstream therefrom for assisting the fan to direct air outwardly from the auxiliary housing. A storing mechanism is operably connected to the vacuum mechanism and includes a disposable bag removably connected to the hose.

Abstract: A dust container of an upright type vacuum cleaner includes a circular cover having a suction port and an exhaust port, a guide member attached to a lower surface of the cover to guide an air flow, a filter attached to a lower surface of the guide member, and a cylindrical container body provided to the lower surface of the cover to receive the guide member and the filter. The guide member guides air induced into the dust container through a suction port to spirally rotate within the container body. A supporting member positioned within the container body supports the filter such that the filter supports the cover.