Abstract: A dust collecting apparatus which is removably connected to a cleaner body is provided. The apparatus includes a cyclone body which forms a cyclone chamber and is in fluid communication with an air inlet passage on one side thereof; an exit pipe which is protruded from a bottom of the cyclone body to an upper side of the cyclone chamber; and a dust canister body which forms a dust collection chamber between the cyclone body and the dust canister body. The cyclone body is arranged eccentrically within the dust collection chamber so that a portion of the cyclone body has a common portion in contact with a portion of the dust canister body. The common portion is made of transparent materials to see through the cyclone chamber.

Abstract: A vacuum cleaner includes a cyclonic airflow chamber that facilitates the separation of contaminants from a suction airstream. The airflow chamber includes a chamber inlet and a chamber outlet, with the chamber inlet being fluidically connected with at least one of a suction nozzle and an above-the-floor cleaning tool. An exhaust filter housing includes a suction duct and an exhaust plenum, with the suction duct communicating with the chamber outlet. A suction source housing includes an open end communicating with the exhaust plenum and a closed end. A suction source is positioned within the suction source housing to define an annular exhaust flow passageway surrounding the suction source from the housing closed end to the housing open end. The suction source includes a suction inlet communicating with the suction duct and an exhaust outlet communicating with the housing closed end.

Abstract: The present disclosure relates to a cyclone dust collecting apparatus for a vacuum cleaner having a high fine dust collecting efficiency. The cyclone dust collecting apparatus includes a first cyclone having an air suction hole through which dust-laden air is drawn-in, the first cyclone forcing the dust-laden air to downwardly whirl in a space under the air suction hole so as to centrifugally separate dust from the dust-laden air; a second cyclone disposed inside the first cyclone, the second cyclone forcing semi-clean air entering from the first cyclone to downwardly whirl so as to centrifugally separate fine dust from the semi-clean air; and an air guiding member forcing the semi-clean air discharged from the first cyclone to directly enter the second cyclone and, the air guiding member having a plurality of guiding blades radially disposed in at least one circular shape based on a vertical axis of the second cyclone.

Abstract: A vacuum cleaner includes a housing, a suction generator carried by the housing, a bag compartment and a bag cage. The bag compartment is defined by a bag compartment wall including an airflow inlet and an airflow outlet. The bag cage is received in the bag compartment. The bag cage defines a bag cavity that hold a filter bag in a position spaced from the bag compartment wall so as to maintain a clear airflow passage.

Abstract: A utility vacuum that may be configured to employ a disposable bag or removable and reusable container for the collection of dirt and debris that are drawn into the utility vacuum. The utility vacuum may employ one or more movable legs that are movable between an extended position, which provides relatively stable operation of the utility vacuum, and a retracted position, which reduces the footprint of the utility vacuum so that it is easier to store.

Abstract: A cleaning implement having a dirt bin for collecting debris from a floor, a cleaning sheet and an air filter. The cleaning sheet and air filter comprise a unitary assembly. When the user discards a soiled sheet, the soiled air filter is likewise discarded. This process prevents the air filter from becoming unduly clogged, and diminishing the performance of the cleaning implement.

Abstract: A floor cleaning apparatus includes a dirt collection vessel and a suction generator carried on the housing. The dirt collection vessel includes a dirty air inlet, a dirt collection chamber and a clean air outlet. A filter is received in the dirt collection vessel. The filter includes multiple sections. Each section provides a discrete airflow pathway. In addition, the floor cleaning apparatus includes a flow control valve assembly including a clean air inlet. The flow control valve assembly is selectively displaceable between two positions. In the first position dirty air is serially moved by the suction generator through the dirty air inlet, the dirt collection chamber, the filter and the clean air outlet so that dirt is collected in the dirt collection chamber. In the second position clean air is moved by the suction generator through the clean air inlet, a selected one of the sections of the filter, back through the other sections of the filter and then through the clean air outlet.

Abstract: Disclosed is a vacuum cleaner including a suction nozzle; a dust collecting assembly which includes a dust collecting container having a dust collecting space and an opened bottom, an inlet, a filtering device provided in the dust collecting container, and an outlet; and a cleaner body which includes a dust collecting assembly receiving recess for detachably receiving the dust collecting assembly, a polluted air outlet provided at the dust collecting assembly receiving recess and communicating with the inlet of the dust collecting assembly, a clean air inlet provided on an inner wall of the dust collecting assembly receiving recess to face the dust collecting assembly and communicating with the outlet of the dust collecting assembly, and a clean air conduit having a fan provided therein, for exhausting the clean air to the outside of the vacuum cleaner.

Abstract: A dust separating device of a vacuum cleaner includes a first dust separator (1, 1?) and a second dust separator (2, 2?). The axis of the first separating unit (101, 101?) of the first dust separator (1, 1?) is arranged perpendicular to the axes of the second separating units (201, 201?) of the second dust separator (2, 2?). The first separating unit (101, 101?) of the first dust separator (1, 1?) is communicated with a dust cup (103, 103?) via a dust outlet (102, 102?)? and is located outside of the dust cup (103, 103?).

Abstract: A separation assembly for separating dirt and dust from air in a vacuum cleaner, through which assembly an air flow path extends from an inlet to an outlet. The air flow path extends through an upstream separator and a downstream separator. The downstream separator includes an air-permeable filter element bounding an inner space. The wall sections bounding the air flow path in the area of the downstream separator include at least a transparent section through which the filter element is visible. The inner space is located upstream of an area outside the filter element for filtering air flowing from inside the filter element to outside the filter element.

Abstract: An upright bypass type vacuum base section pulls from a suction chamber surrounding the bag.

Abstract: An electric vacuum cleaner is equipped with a dust collection unit (20) that can be detachably installed in the air passage en route from a suction unit to an electric fan of the cleaner. The dust collection unit (20) comprises a dust collecting case (21) for accumulating dust sucked in, a lid member (32) that can be opened to discharge the accumulated dust; and a lock mechanism (clamp lever) (33) for locking the lid member 32 tightly closed. The dust collection unit (20) is further provided with a hand grip (24), arranged to face said user, thereby facilitating a user to hold the dust collection unit when discharging dust from the bottom of the dust collecting case. Further, a hinge (31) is arranged at a position which is adjacent to said bottom (32) of said dust collecting case (21) facing the user holding the hand grip. Furthermore, a lock mechanism (33) is arranged near the periphery of the lid member (32) and at a position opposite to the hinge.

Abstract: A vacuum cleaner comprises: a body; a suction head arranged at a lower side of the body and sucking dust or filth; a suction fan mounted at the body and generating a suction force; a dust collecting container mounted in the body and collecting dust or filth sucked into the suction head; and a compression unit mounted at the body and compressing dust or filth collected in the dust collecting container.

Abstract: A vacuum cleaner includes a cyclone dust separating unit which includes a cyclone part to separate dust from a dust-laden air drawn from a surface being cleaned using a centrifugal force, a dust collecting part comprising a dust chamber to accommodate the dust separated at the cyclone part, and a compressing part to compress the dust accommodated in the dust chamber. The compressing part includes a driving part to rotatably drive a driving axis, and a compressing plate driven in a substantially perpendicular direction with respect to the driving axis according to the rotation of the driving axis, and to compress the dust accommodated in the dust chamber. As a result, a vacuum cleaner is provided, which requires a minimum space for the installation of a compressing part to compress dust inside the dust collecting part, and provides maximum compressing force of the compressing part.

Abstract: A floor cleaning appliance includes a housing carrying both a suction generator and a dirt cup. The dirt cup includes a sidewall, a top wall and a dump door. A latch is provided to secure the dump door in a closed position. An actuator for releasing that latch is remotely positioned on the top wall. A linkage is carried on the sidewall and operatively connects the actuator with the latch.

Abstract: A vacuum cleaner is provided. The vacuum cleaner includes suction means that provides suction force, a suction nozzle that uses the suction force provided by the suction means to draw in particle laden air, a dust collecting box that receives the particle laden air drawn in through the suction nozzle, an upper cover having an opening at a central portion thereof that provides for selective opening/closing of an upper portion of the dust collecting box, and a filter assembly that is selectively fastened to an edge of the opening, for filtering dust from the particle laden air and discharging the air upward. This structure simplifies cleaning and replacement of the dust collector assembly.

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: An electric vacuum cleaner includes a first dust separation device configured to separate sucked dust, a first dust collection section for collecting the separated dust, a second dust separation device configured to separate the dust, a dust removing device configured to remove the dust adhering to the second dust separation device, a second dust collection section for accumulating the removed dust, a partition wall for zoning the first dust collection section and the second dust collection section and an introduction opening for introducing the removed dust into the second dust collection section; the partition wall includes a communication opening for communicating the first dust collection section to the second dust collection section and an opening and closing member for closing either of the introduction opening or the communication opening and switching the closing to the other by rotating, and the opening and closing member closes the introduction opening with a negative pressure by an electric fan and

Abstract: A vacuum cleaner includes a cyclonic airflow chamber that facilitates the separation of contaminants from a suction airstream. The airflow chamber includes a chamber inlet and a chamber outlet, with the chamber inlet being fluidically connected with at least one of a suction nozzle and an above-the-floor cleaning tool. An exhaust filter housing includes a suction duct and an exhaust plenum, with the suction duct communicating with the chamber outlet. A suction source housing includes an open end communicating with the exhaust plenum and a closed end. A suction source is positioned within the suction source housing to define an annular exhaust flow passageway surrounding the suction source from the housing closed end to the housing open end. The suction source includes a suction inlet communicating with the suction duct and an exhaust outlet communicating with the housing closed end.

Abstract: A vacuum cleaner includes a dust collector that compresses dust stored inside a dust container to minimize the volume of the dust. The dust collector would include one or more pressing plates that are used to compress the dust stored in dust collector. Various methods are used to control movements of the movable pressing plates to facilitate the compression operations. Also, various methods are used to determine when the dust collector is full and needs to be emptied.

Abstract: Filtering means for filtering out impurities contained in an air stream, and comprising an inner filter plate or sieve, an outer frame that houses said filter plate thereinside, a structure for retaining said filter plate and conveying the shaking motion, a support socle applied on to said structure, a rotary electric motor, whose rotor is provided with one or more unbalanced masses, and which is fixedly mounted on said socle. The invention is based on the fact that said electric motor is operated in an intermittent manner, preferably with a direct-current, substantially square-wave supply voltage according to an ON-OFF cycling pattern, so as to generate a very broad spectrum of shaking frequencies that proves more effective in enabling the filter plate to be freed from the impurities being retained thereupon.

Abstract: A vacuum cleaner bag includes a bottom part having a substantially rectangular base section. A projecting section is disposed proximate to at least one side of the base section. The projecting section, when folded up for the storage position, rests on the base section. Sidewall sections extend peripherally in a direction away from the bottom part to form an inside space.

Abstract: A dust compressing apparatus of a vacuum cleaner capable of automatically compressing dust or dirt collected in a dust separating unit is disclosed. The dust compressing apparatus includes a compressing plate to compress the dust or dirt collected in the dust separating unit, a moving unit connected to the compressing plate on one side of the dust separating unit to move the compressing plate, an elastic unit to elastically urge the compressing plate to a compressing position where the compressing plate compresses the dust or dirt, and a driving motor to drive the moving unit thus to move the compressing plate.

Abstract: A cleaning vehicle provided with driving wheels for traveling on a rail having a trench-shaped driving space provided on the floor for cleaning the rail, wherein a vehicle body is provided with an air drawer formed by providing a filter to an air outlet hole, a tip end portion of a drawing hose connected to the air drawer is provided with an air drawing member having an opening on the bottom of the rail, an air outlet is formed on the wall of a box-shaped body covering the entire air drawer, and an air cleaning unit is provided to the air outlet.

Abstract: A surface treating appliance, such as a vacuum cleaner, includes a main body, a surface treating head and a support assembly. The support assembly is rollably mounted to the main body for allowing the main body to be rolled along a surface. The support assembly also houses a component of the appliance, such as a motor for driving a surface-agitating device. Alternatively, or additionally, the support assembly may accommodate a fluid inlet for receiving fluid flow, a fluid outlet for exhausting fluid and a device for acting on the fluid flow received by the inlet such as a filter or suction apparatus.

Abstract: A dust receptacle comprising an ultraviolet transmission window and a vacuum cleaner having the same. The dust receptacle includes a receptacle body detachably mounted to a cleaner body, an ultraviolet (UV) transmission window penetratingly formed on the receptacle body, and a Teflon® cover sealing the UV transmission window. The vacuum cleaner having the dust receptacle includes a cleaner body, a dust receptacle detachably mounted to the cleaner body, a UV sterilizer lamp mounted within the cleaner body to scan the dust receptacle with a UV ray, a grill protecting the UV sterilizer lamp. In the vacuum cleaner, the dust receptacle has the same structure as described above.

Abstract: There is provided a vacuum cleaner. The vacuum cleaner includes a dust separation part separating dust contained in air; a dust storing part storing dust separated by the dust separation part; a compression unit dividing the dust separation part and dust storing part, for compressing dust stored in the dust storing part; a motor connection passage communicated with a motor generating a negative pressure; a compression passage communicated with the dust storing part; a dust collection passage communicated with the dust separation part; and a flow passage control unit selectively opening and closing the compression passage and the dust collection passage.

Abstract: A vacuum cleaner is provided. The vacuum cleaner may include a main body, a dust collector, at least one pressing member, and a driver. The dust collector may be detachably attached to the main body and may include a dust storage chamber. The at least one pressing member may compress dust stored in the dust storage chamber. The driver may be disposed in the dust collector and actuate the at least one pressing member.

Abstract: A vacuum cleaner includes a dust collector that compresses dust stored inside a dust container to minimize the volume of the dust. The dust collector would include one or more pressing plates that are used to compress the dust stored in dust collector. Various methods are used to control movements of the movable pressing plates to facilitate the compression operations. Also, various methods are used to determine when the dust collector is full and needs to be emptied.

Abstract: A vacuum cleaner includes a dust collector that compresses dust stored inside a dust container to minimize the volume of the dust. The dust collector would include one or more pressing plates that are used to compress the dust stored in dust collector. Various methods are used to control movements of the movable pressing plates to facilitate the compression operations. Also, various methods are used to determine when the dust collector is full and needs to be emptied.

Abstract: A vacuum cleaner of the present invention guides air and dust sucked from an inlet 12 to a dust collection chamber 29 through a guide path 41. A cylindrical passage member 55 is located at a linear section of the guide pipe 41 so that its axial line may come along a direction in which the linear section 52 extends. A plurality of vent holes 47 are formed on the passage member 55 and each of the vent holes 47 is covered with a mesh filter 50. When dust is accumulated in the dust collection chamber 29 to some extent, air flowing into a lead-in pipe 43 flows to the outside (the side of a bypass passage 31) through the vent holes 47 and is guided directly to an outlet by bypassing the dust collection chamber 29.

Abstract: A vacuum collector includes a filter canister disposed below a housing, a filter member disposed in the filter canister, a dust removing device disposed in the filter member and driven by a driving device for sweeping dust from the filter member, a dust collecting receptacle disposed below the housing, a fan device disposed in the housing for drawing air and dust into the housing and for collecting particles in the dust collecting receptacle, and a vacuum motor coupled to the fan device for drawing the air and the dust into the housing automatically. A control device may be coupled to the driving device and the vacuum motor for selectively or automatically operating the driving device and the vacuum motor.

Abstract: A surface treating appliance, such as a vacuum cleaner, includes a main body, a surface treating head and a support assembly. The support assembly is rollably mounted to the main body for allowing the main body to be rolled along a surface. The support assembly includes a substantially continuous rolling support surface that extends in a direction perpendicular to the longitudinal axis of the main body and is symmetrical about the longitudinal axis. The arrangement of the support surface and support assembly assists maneuverability of the appliance. The support assembly may house a component of the appliance, such as a motor, and may accommodate a fluid inlet for receiving fluid flow and a fluid outlet for exhausting fluid.

Abstract: Provided is a dust collection unit of a vacuum cleaner having a handle formed on an outer circumference of the dust collection container and having an opened bottom such that user's fingers are inserted upward from a lower side of the handle for more convenient use of the vacuum cleaner.

Abstract: A vacuum cleaner includes a main body, a dust collection unit for filtering foreign objects contained in air introduced from the main body, a mounting portion provided on the main body to mount the dust collection unit, an elastic press unit provided under or above the dust collection unit to bias the dust collection unit, and a hook unit biased by the elastic press unit and provided between the dust collection unit and the mounting portion.

Abstract: The invention relates to a method for cleaning the filters of a vacuum cleaner comprising a dirt collecting container, which has a suction inlet and is in flow connection with at least one suction unit via at least one filter and at least one suction extraction line, and comprising at least one external air inlet which opens into the suction extraction line downstream of the filter and can be closed by a closing valve, wherein the closing valve has a movable valve body which is acted upon by a closing spring with a closing force, which valve body lies against a valve seat in a closed position and is at a distance from the valve seat in an open position, wherein, in order to clean the filter, at least one closing valve is opened and the side of the filter that is oriented away from the dirt collecting container is impinged upon by external air.

Abstract: Disclosed is a vacuum cleaner including a head having an inlet for sucking in polluted air with impurities from outside by an operation of an air suction device generating air suction force; a dust collector for collecting impurities contained in the polluted air; a main body having a dust collector receiving recess to which the dust collector is detachably provided; and a fixing device fixing the dust collector on the main body and releasing the dust collector when the dust collector is separated, wherein the fixing device including a switch provided at the main body and controlling the fixing state of the dust collector; and an elastic member incorporated integrally into the switch and restoring the switch to a fixing location of the dust collector.

Abstract: A robotic floor cleaner includes a main body, which houses a propelling unit for moving the robotic floor cleaner on the floor and a control unit for controlling the operation of the propelling unit to move the robotic floor cleaner on the floor according to a predetermined steering mode, a daughter body detachably fastened to the main body and houses a vacuum cleaner unit for removing dust, and a handle assembly detachably connectable to the daughter body.

Abstract: A dust filter for filtering dust out of an air stream has a filter membrane (2) pleated into a row of pleats. A pleat deflector (3A, 3B) is movably suspended for movability along the row of pleats, for cleaning the filter membrane (2). The deflector (3A, 3B) has a free end (9A, 9B) extending between the pleats when the deflector (3A, 3B) and the pleats are in undeflected condition, such that when the deflector (3A, 3H) is moved along the row of pleats, the pleats are deflected and released in succession along the row. The deflector (3A, 3H) is or comprises a flexible plate (10A, 10B) of which at least a portion between the suspension (4) and the free end (9A, 9B) has a width transverse to the direction of movability of the deflector (3A, 3B), which decreases with the distance to the suspension (4). Thereby, a deflector of increased stiffness is obtained which is advantageous for effective dust removal.

Abstract: Disclosed related to a vacuum cleaner comprising a cleaner body in which a dust collector mount part is formed; a dust collector attached and removed at the dust collector mount part, and having a dust storage part in the inside; at least one of the compressing member reducing the volume of the dust stored in the dust storage part as arranged in the dust storage part movably; a power transfer unit transferring the driving force to the compressing members from outside as connected with the compressing members; and a control unit deciding the amount of the dust stored in the dust storage unit.

Abstract: Disclosed related to a vacuum cleaner comprising a cleaner body in which a dust collector mount part is formed; a dust collector attached and removed at the dust collector mount part, and having a dust storage part in the inside; at least one of the compressing member reducing the volume of the dust stored in the dust storage part as arranged in the dust storage part movably; a power transfer unit transferring the driving force to the compressing members from outside as connected with the compressing members; and a control unit deciding the amount of the dust stored in the dust storage 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 debris collection system for use with a portable, hand held blower/vac comprises a wheeled cart. A collection bag is releasably carried on the cart. A connecting hose releasably couples the collection bag to the fan outlet of the blower/vac to fill the collection bag with debris picked up by the blower/vac when the blower/vac operates in the vacuum mode. The cart rolls on the ground and trails behind the blower/vac in the manner of a canister vacuum cleaner as a user operates the blower/vac and walks forwardly with the blower/vac. The collection bag may be a reusable fabric bag or a disposable paper bag.

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: A vacuum container mounted on an inclined slope and having a liquid water storage container mounted beneath the incline of the vacuum container. The water storage container may support the vacuum container. The slope may be of sufficient angle to allow debris to be emptied from the vacuum container by gravity when the access door is opened. A filter housing may be mounted to and supported by the vacuum container. By flush mounting the clean out end of the filter housing with the clean out end of the vacuum container, a single access clean out door may be used to access both simultaneously.

Abstract: A vacuum cleaner includes a suction inlet provided at a main body and a cover hinge-coupled to the main body to cover a dust collection chamber included in the main body. A locking unit is disposed around the suction inlet in order to releasably lock the cover. Further, the vacuum cleaner may include a pivot link for rotatably connecting the cover and the main body. With the pivot link, the cover and the main body are rotatable about two different hinge axes.

Abstract: A vacuum cleaner includes a motor-fan unit and a housing part including a filter receptacle. A filter frame is slidably insertable in an insertion direction into the filter receptacle so as to be disposed in an exhaust air stream of the motor-fan unit. The filter frame has a substantially parallelepiped configuration and is configured to receive a fine filter. The vacuum cleaner includes an air-permeable cover element pivotably disposed on the housing and configured to cover the filter receptacle. The cover element is operable to redirect force resulting from a pivoting movement thereof from the insertion direction to a pressing direction substantially perpendicular to the insertion direction so as to press an edge contour of the filter frame toward a mating contour of the filter receptacle in an inserted position of the filter frame.

Abstract: An upright vacuum cleaner for cleaning a surface includes an upper body with a dust collection container received therein, and a base unit. A carriage is configured to provide movement of the base unit on the surface. A motor-fan unit is disposed in the base unit and configured to provide a partial vacuum at the surface. The upper body is connected to the base unit by a tilting joint such that the upper body and base unit are tiltable relative to each other about a tilt axis extending horizontally when the upright vacuum cleaner is in a position of use. An air conduit is disposed rotatably with respect to the motor-fan unit and communicates with a suction side of the motor-fan unit.

Abstract: An upright vacuum cleaner for cleaning a surface includes an upper body with a dust collection container disposed therein, a base unit and a carriage configured to provide movement of the base unit on the surface. A tilting joint connects the upper body and base unit. The tilting joint is configured to provide relative tilting between the upper body and the base unit about a tilting axis extending horizontally when the upright vacuum cleaner is in a position of use. At least one cover configured to cover a clearance in a vicinity of the tilting joint between the upper body and the base unit.

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.