Abstract: A surface cleaning apparatus comprises a uniflow cyclone chamber comprising an air inlet in a first end, a dirt outlet in a second end and an air outlet that is configured so that air exits the cyclone chamber through the second end.

Abstract: A surface cleaning apparatus comprises a first flexible electrified air flow conduit having an air inlet end that is electrified.

Abstract: A surface cleaning apparatus is provided wherein a uniflow cyclone comprises a cyclone chamber defined by a longitudinal axis, the cyclone chamber having a dirt outlet that has a variable length in the direction of the longitudinal axis. A cyclone chamber having a barrier wall facing the dirt outlet of the cyclone chamber is also provided.

Abstract: A surface cleaning apparatus comprises an air flow passage extending from a dirty air inlet to a clean air outlet. A suction motor is positioned in the air flow path. At least one cyclone chamber is positioned in the air flow passage. An associated dirt collection chamber is exterior to the cyclone chamber. The cyclone chamber and the suction motor are positioned side by side and have generally parallel longitudinal axes. The dirt collection chamber may surround part of the suction motor. Alternately, or in addition, a pre-motor filter having an enhanced surface area may be provided by configuring the pre-motor filter to extend outwardly of the pre-motor filter, such as by overlie part of the cyclone chamber or the dirt collection chamber.

Abstract: A vacuum cleaner having a housing (12), including a filter element (31) for separating out particles (13) that have been picked up and transported in an air stream (L) as well as a holding device for holding the filter element (31) in the housing (12). The filter element (31) has at least one projecting holding section (34). The holding device (41) has a contact surface and a holding surface between which the holding section (34) of the filter element (31) comes to rest when the filter element is in the installed state. The contact surface and the holding surface are each provided with a defined irregularity.

Abstract: A surface treating appliance includes a first cyclonic separating unit including at least one first cyclone, a second cyclonic separating unit including a plurality of second cyclones arranged in parallel about an axis, and a third cyclonic separating unit including a plurality of third cyclones arranged in parallel about the axis. Each of the second cyclones and the third cyclones has a tapering body with an outside wall. The plurality of third cyclones is divided into at least a first set of third cyclones and a second set of third cyclones, each of the plurality of second cyclones and the first set of third cyclones being arranged about the second set of third cyclones. At least a part of the outside wall of each of the plurality of second cyclones and each of the first set of third cyclones forms part of the external surface of the surface treating appliance.

Abstract: A cyclonic separation device for dust and debris in vacuum cleaners, comprising a roughly cylindrical interior cyclonic chamber connected to an air intake, as well as a separator filter located in the central part of the interior chamber, comprising a tube segment to direct airflow to the air intake with this tube segment located around the roughly cylindrical interior cyclonic chamber, from a starting point to an end point near the air intake, with the cross-section of this tube segment near the end point being smaller than that near the starting point in order to form an acceleration ramp for the airflow between these two points.

Abstract: A cyclonic portable vacuum cleaner/dust collector has a cyclonic chamber and a filter chamber. The filter chamber contains a filter cartridge with a hollow core positioned over the discharge opening of a motor plate that closes the filter chamber. A vacuum blower is mounted on the motor plate, with an intake tube at the discharge opening of the motor plate. An annular pulse-cleaning plate is positioned over an associated annular opening that surrounds the motor plate discharge opening and has an open center that slides up and down on the intake tube of the vacuum blower. A bail handle or lever extends from the pulse-cleaning plate to a handle portion outside the cover or shroud. The handle is pushed down to lift the pulsing plate to provide a reverse pressure air pulse to the filter to blast off accumulated dust. An anti-deflagration screen may be present at the center of the motor plate.

Abstract: A surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet and a suction motor. The surface cleaning apparatus may comprise a cyclone chamber in the air flow path. The cyclone chamber may be comprise a cyclone chamber first end and a cyclone chamber second opposed end, a cyclone air inlet, a cyclone air outlet and a cyclone chamber wall. The surface cleaning apparatus may comprise a dirt collection chamber having a dirt collection chamber first end, a dirt collection chamber second opposed end and an outer longitudinally extending sidewall. The outer longitudinally extending sidewall may have at least one recess provided therein.

Abstract: The electrical household appliance of the invention comprises a water filter suitable for use in a vacuum cleaner, said water filter comprises an inlet shaft perpendicular to the bottom surface of a water receptacle and in communication with a suction hose slot located at an emptied front part of said receptacle, said inlet shaft communicating with a top portion in the uppermost region of said water receptacle, said top portion extending parallel to the receptacle's bottom surface, said top portion further dividing into two separate tubes in the form of air exit posts at both sides of said inlet shaft, said air exit posts extending perpendicular to the receptacle's bottom surface.

Abstract: A vacuum cleaner provided with a dust separating apparatus which has an improved aesthetic quality and has an increased size without increasing the height of the vacuum cleaner. The dust-separating apparatus is easily detachable with respect to a vacuum cleaner body, and is provided with a cover that is easily detachable when dirt collected in the dust collecting compartment is discarded. The vacuum cleaner includes a first cyclone part and a second cyclone part, and a first dust collecting compartment configured to collect dirt separated from the first cyclone part is formed at a lower side of the first cyclone part and the second cyclone part.

Abstract: A dual-stage cyclonic separator is provided for separating debris from air in a bagless surface cleaning apparatus, along with a bagless surface cleaning apparatus incorporating such a cyclonic separator. A debris collection device used with a bagless surface cleaning apparatus is also provided, along with a method of separating debris from air using a bagless surface cleaning apparatus.

Abstract: A debris collection device is provided with a controlled tension apparatus for controllable release of accumulated debris from a collective debris release outlet.

Abstract: A cyclone for a surface cleaning apparatus has spaced apart and opposed first and second cyclone chamber end walls and a cyclone chamber sidewall extending therebetween. At least one of the first cyclone chamber end wall and the second cyclone chamber end wall is openable so as to provide access to the cyclone chamber. An opening extends along only a portion of the perimeter of the cyclone chamber sidewall and is positioned adjacent the second cyclone chamber end wall, the opening defining the dirt outlet whereby dirt exiting the cyclone chamber via the dirt outlet travels in a generally outwardly direction to an exterior dirt collection chamber.

Abstract: A floor cleaning device that is manually trainable for subsequent automatic operation. Prior to automatic operation, a user trains the cleaning device by manually manipulating the device through one or more desired cleaning paths. After training of the device, the device is configured to automatically initiate subsequent cleaning operations in accordance with the trained routine(s). Preferably, the training routine includes user specification of one of a number of cleaning modalities that are supported by the flooring cleaning device. In addition to automatic navigation, the floor cleaning device is configured to initiate a desired cleaning modality as a function of the device's position with respect to one or more of the trained routine(s).

Abstract: A surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet. The surface cleaning apparatus also comprises a main body comprising a front end, a rear end, first and second opposed sidewalls. A cavity having an open upper end may be positioned between the first and second opposed side walls. A suction motor may be provided in the air flow path. A cyclone bin assembly may be provided in the air flow path. The cyclone bin assembly may have opposed end walls and may be removably mounted in the cavity. The cyclone bin assembly may include a locking member lockingly secures the cyclone bin assembly to the surface cleaning apparatus. The locking member may engage at least one of the side walls.

Abstract: A cyclone bin assembly comprises a cyclone chamber having an air inlet, an air outlet, a dirt outlet and first and second opposed ends. The cyclone bin assembly may comprise a dirt collection chamber in communication with the dirt outlet. The dirt bin may surround at least a portion of the cyclone chamber and comprising first and second portions. The first and second portions may comprise discrete chambers that are separated from each other by a passage extending between the dirt outlet and a wall of the dirt collection chamber. The dirt outlet may have an angular extent around the cyclone chamber and a larger portion of the angular extent of the slot may face the first portion.

Abstract: A block-base bag is for vacuum cleaners. The bag includes, in the interior thereof, a diffuser made of strips of material and/or sheet materials with oblong-shaped flow openings. Such bags are distinguished by excellent dust storage capacity and extension of the useful life.

Abstract: A canister style surface cleaning apparatus comprises a wheeled based having a front end and a cleaning mount, the cleaning mount adapted to receive a surface cleaning attachment that comprises a first flexible hose; a portable cleaning unit removably mounted on the wheeled base and comprising a suction motor and at least one cyclonic separation stage having an associated material collection chamber which is sealed when the portable cleaning unit is removed from the wheeled base; and, a fluid flow path extending from the cleaning mount to a clean air exit of the surface cleaning apparatus.

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 surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet. The surface cleaning apparatus comprises a main body comprising a front end, a rear end, first and second opposed sidewalls, and a suction motor provided in the air flow path. At least one of the first and second opposed sidewalls may have a compartment that houses an operating component of the surface cleaning apparatus or a portion of the air flow path. A cyclone bin assembly may be provided in the air flow path. The cyclone bin assembly may have opposed end walls.

Abstract: A home cleaning appliance comprises a housing, an airstream suction source, a cyclone main body, and a dirt cup. The housing includes a main suction opening. The airstream suction source is mounted to the housing and includes a suction airstream inlet and a suction airstream outlet. The suction source selectively establishes and maintains a flow of air from the main suction opening, via the airstream inlet, to the airstream outlet. The cyclone main body is supported by the housing and is in communication with the main suction opening. The cyclone main body has a uniform outer circumference and includes a first stage separator, and a plurality of downstream second stage separators. The first stage separator has a longitudinal axis offset from a longitudinal axis of the cyclone main body in order to accommodate the second stage separators. The dirt cup is connected to the cyclone main body. The dirt cup includes a first particle collector and a second particle collector.

Abstract: A surface treating appliance includes a first cyclonic separating unit including a plurality of first cyclones arranged in parallel about an axis, and a second cyclonic separating unit located downstream from the first cyclonic separating unit and including a plurality of second cyclones arranged in parallel, the plurality of second cyclones being divided into at least a first set of second cyclones arranged about the axis and a second set of second cyclones. The plurality of first cyclones extends about the first set of second cyclones, and the first set of second cyclones extends about the second set of second cyclones.

Abstract: An upright vacuum cleaner includes 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 and includes a first cyclonic air-flow chamber and a second cyclonic airflow chamber. The chambers are spaced apart and are each approximately vertically oriented and 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. The inlet section directs a flow of dirty air into two separate inlet conduits leading to a respective one of the first and second airflow chambers. The outlet section collects a flow of cleaned air from both of the chambers and merges the flow of cleaned air into a single outlet conduit.

Abstract: A cleaning appliance of the canister type includes a chassis, a plurality of front floor engaging steering members connected to the chassis, a rear floor engaging rolling assembly connected to the chassis, and a control mechanism for steering the steering members.

Abstract: A surface treating appliance includes a first cyclonic separating unit including a plurality of first cyclones arranged in parallel about an axis, and a second cyclonic separating unit located downstream from the first cyclonic separating unit and including a plurality of second cyclones arranged in parallel about said axis. Each second cyclone has a fluid inlet and a fluid outlet. The plurality of second cyclones is divided into at least a first set of second cyclones and a second set of second cyclones. The fluid inlets of the first set of second cyclones are arranged in a first group and the fluid inlets of the second set of second cyclones are arranged in a second group spaced along said axis from the first group. This enables the separating apparatus to have a compact appearance.

Abstract: An extraction cleaner comprises a fluid delivery system and a fluid recovery system. The fluid recovery system includes a centrifugal separator for separating a liquid and debris-entrained working air flow with a tangential air/water inlet, water outlet and air outlet at a lower portion of the separator. The air outlet has a vertical stand pipe that extends upwardly above the tangential air/water inlet and water outlet. The centrifugal separator can be mounted in a plurality of locations on the extraction cleaner thereby offering greater architectural flexibility.

Abstract: A vacuum cleaner with a separation module includes an advanceable filter media for filtering a debris-containing working airstream. The filter media can extend over an exhaust grill having openings through which air may pass. The filter media can be mounted on a pair of moveable reels, such that the filter media can periodically be replaced with new filter media.

Abstract: Liquid aspirator for drawing off and sucking up liquids, having a drawing-off lip (7), having a suction device for sucking up the liquid into a separating space (8) in the housing (1) of the liquid aspirator, having an exhaust-air channel (3), which is subjected to a negative suction pressure and is intended for leading the air out of the separating space (8), having a separating device (13), which is arranged in the separating space (8) and separates the liquid from the water, and having a tank for accommodating the liquid.

Abstract: A flat bag for vacuum cleaners includes, in the interior thereof, at least two diffusers made of strips of material and/or sheet materials with oblong-shaped flow openings. Such flat bags are distinguished by excellent dust storage capacity and extension of the useful life.

Abstract: A flat bag is for vacuum cleaners. The bad includes, in the interior thereof, at least one diffuser which forms an intermediate plane and is made of strips of material and/or sheet materials with oblong-shaped flow openings. Such flat bags are distinguished by excellent dust storage capacity and extension of the useful life.

Abstract: A vacuum cleaner is disclosed. The vacuum cleaner includes a body having a vacuum motor provided therein; a dust collection device provided in the body to collect dust; a dust compression device expandable or contractible selectively; a passage switching device configured to selectively communicate the dust compression device with a low pressure part having a lower pressure than a pressure of the dust collection device and a high pressure part having a higher pressure than a pressure of the dust collection device.

Abstract: A vacuum cleaner dirt collection assembly having a housing, an air inlet and air outlet connected to the housing and a cyclone chamber inside the housing. The cyclone chamber has top and bottom walls, and an outer wall joining the top and bottom walls to form a generally enclosed space. The outer wall has a helical guide channel extending radially outward from the adjacent portion of the outer wall. An inner wall, located inside the enclosed space, has a generally cylindrical or frustroconical surface having one or more openings fluidly connecting the enclosed space to the air outlet. A separator plate is located inside the enclosed space at a location between the top and bottom walls. The separator plate extends towards the outer wall and is spaced from the outer wall by a gap.

Abstract: A vacuum cleaner (1, 21, 31) comprises an air inlet opening (3), an air outlet opening (6) and a rotatable separator (9) for separating air and airborne particles. The separator (9) comprises at least one air entrance opening (109) located between the air inlet opening (3) and the air outlet opening (6). The vacuum cleaner (1, 21, 31) is provided with air-guide means (15, 22, 37) for guiding at least part of the air towards the separator (9). In use, the air-guide means (15, 22, 37) provides an at least partially closed boundary in axial direction for a column of rotating air (17) around the separator (9). The minimum distance (Rag) of an edge (115, 122) of the air-guide means (15, 22, 37) to the rotating axis (11) of the separator (9) is larger than a distance (Rs) of the air entrance opening (109) of the separator (9) to the rotating axis (11) of the separator (9).

Abstract: The surface cleaning apparatus includes a cyclone positioned in am air flow passage. The cyclone has a cyclone air inlet and a cyclone air outlet, a dirt outlet spaced from the cyclone air inlet, a cyclone chamber wall and a longitudinal axis. The surface cleaning apparatus also includes a dirt collection chamber in communication with the dirt outlet. The dirt collection chamber has an openable wall mounted to the surface cleaning apparatus by a hinge and a centrally positioned longitudinal axis, the openable wall has a centre and a hinge side. The surface cleaning apparatus also includes a plate positioned at an interface of the dirt collection chamber and the cyclone. The plate is moveably mounted to the openable wall. The surface cleaning apparatus also includes a biasing member biasing the plate towards the hinge side of the openable wall a suction motor positioned in the air flow passage.

Abstract: A vacuum cleaner including a dirt cup assembly including a first stage cyclonic separator operable to at least partially separate debris from an airflow, a second stage cyclonic separator downstream from the first stage cyclonic separator and operable to at least partially separate the debris from the airflow, a container having a sidewall that at least partially defines the first stage cyclonic separator, and a shroud having a lower perforated portion located within the container, and an upper portion that surrounds and receives the second stage cyclonic separator. The upper portion is located outside of the first container such that the upper portion forms an outside wall of the dirt cup above the sidewall of the container. The shroud further includes an intermediate portion between the lower portion and the upper portion, and the intermediate portion is coupled to the sidewall of the first container.

Abstract: A portable surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet and a flexible suction hose. The surface cleaning apparatus main comprise a main body comprising a suction motor provided in the air flow path. A cyclone bin assembly may be provided on the main body. The surface cleaning apparatus may comprise a flexible suction hose. The surface cleaning apparatus may comprise a suction hose wrap. The suction hose wrap may comprise a stand for the surface cleaning apparatus.

Abstract: A vacuum cleaner is provided that includes a main body, a dust-collecting unit mounted in the main body, a suction force generating unit mounted in the main body, a first filter unit disposed upstream from the suction force generating unit, and a second filter unit disposed downstream from the suction force generating unit, wherein the first filter unit and the second filter unit are disposed adjacent to each other, and are individually, detachably mounted in the main body.

Abstract: A vacuum cleaner has a cyclone separator for separating dirt and other contaminants from a dirt-containing working airstream and a collection chamber collecting the separated dirt. The vacuum cleaner can further include handle defining a fines catcher downstream of the cyclonic separation stage for collecting fine dirt, where the handle can be used to remove the fines catcher and/or an exhaust grill from the cyclone separator.

Abstract: A surface cleaning apparatus comprises a filtration apparatus comprising a cyclone downstream from the dirty air inlet and an openable filtration chamber comprising a screen downstream from the cyclone and upstream from the suction motor. The filtration chamber is accordingly a separate volume to that of the cyclone chamber and accordingly may be accessed to clean the screen independently of opening the cyclone chamber.

Abstract: A vacuum cleaner canister includes a mechanism cooperable with the canister inlet duct to divide the canister into an upper zone of high velocity vortex air flow and a lower zone of reduced velocity air flow so as to reduce the likelihood of recycling particles through the vacuum cleaner filters. The inlet duct is positioned below the filters. The duct redirects air flow downwardly from the inlet port into the canister and a baffle redirects the downward flow to a circumferential flow.

Abstract: The present invention relates to a cyclonic vacuum cleaner comprising a main body of vacuum cleaner, in which a cyclonic separating device and a suction device are provided. The cyclonic separating device comprises a chamber body enclosed by a side wall and a base plate, and is provided with an air inlet and an air outlet. After entering the chamber body, air flow swirls along the inner wall of chamber body, forms cyclonic separation air flow and makes air-solid separation. The separated air flow enters the suction device via the air outlet, and the body of the suction device is at least partially inserted into the cyclonic separation air flow. The cyclonic vacuum cleaner of the present invention is featured by reduced volume and compact structure, not only facilitating the use of such product, but also providing more space for the product design while providing the desired dust separation effect.

Abstract: A hand-held and stick vacuum cleaner includes a stick body having a body discharge part formed in a front part thereof and a first connecting terminal provided on a rear part thereof; and a hand-held cleaner unit detachably mounted in the rear part of the stick body and having discharge parts formed in front and rear part thereof and a second connecting terminal corresponding to the first connecting terminal provided on the rear part thereof.

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: A vacuum cleaner, and more particularly, a vacuum cleaner having a dust container that holds dust, and a dust separator that separates the dust are provided. The vacuum cleaner may include a main body having a suction flow passage and a fan mounting portion configured to receive a fan drive mounted thereto, a dust separator having a bottom in communication with the suction flow passage and the fan mounting portion, and a dust container having an upper side with a dust discharge portion in communication with the dust separator. The dust discharge portion may include a dust discharge flow passage formed to discharge the dust in a tangential direction of the dust separator.

Abstract: A vacuum cleaner comprises first and second devices 116,125 for separating dirt and dust from an airflow through the cleaner. The dirt and dust separated by the first and second devices 116,125 is deposited at the bottom of a collection chamber 112. The dirt and dust separated by the second device 125 is transferred to the bottom of the collection chamber 112 via a duct which is normally closed by a valve 124 to prevent air from leaving the chamber 112 along the duct 133 instead of forming a proper cyclonic flow in the chamber 112. An actuator 131, 135, 136 is provided for periodically opening the valve 124 to release the collected dirt and dust into the bottom of the chamber 112. The actuator 131, 135, 136 simultaneously closes the duct 133 between the valve 124 and the second device 125, so as to temporarily prevent air from leaving the chamber 112 along the duct 133 whilst the collected dirt and dust is released.

Abstract: An autonomous coverage robot includes a body having at least one outer wall, a drive system disposed on the body and configured to maneuver the robot over a work surface, and a cleaning assembly carried by the body. The cleaning assembly includes first and second cleaning rollers rotatably coupled to the body, a suction assembly having a channel disposed adjacent at least one of the cleaning rollers, and a container in fluid communication with the channel. The container is configured to collect debris drawn into the channel. The suction assembly is configured to draw debris removed from the work surface by at least one of the cleaning rollers into the channel, and the container has a wall common with the at least one outer wall of the body.

Abstract: The present invention comprises: a collecting section mounted at one side of the pathway, in which the suction force of a vacuum cleaner for sucking dust is transmitted, and moves at least some of the sucked dust towards one direction; a dust collecting section made of transparent material coupled with the collecting section, in which the receiving status of the inflow of dust through the collecting section is exposed to the outside; a discharge section which guides air and dust, which has passed through the dust collecting section, to be discharged into the pathway that transmits the suction force of a vacuum cleaner; and a foreign material discharge means which guides the flow of air into the inner corner of the dust collecting section by the operation of the user and forcibly discharges the remaining dust in the dust collection section to the outside.

Abstract: A dust collector includes a centrifugal separator, a discharge unit having a filtered dust collecting space provided with a discharge unit discharge hole at a discharging side of the centrifugal separator and an intake passage communicating with a bottom of the discharge unit discharge hole, a filter unit provided with a filter member and mounted at the discharge unit discharge hole, and a sealing member including a dust removing device mounted on the filter unit and a dust container formed on a bottom surface of the centrifugal separator, wherein the sealing member opens the filtered dust collecting space and the intake passage by means of the weight thereof and closes the filtered dust collecting space and the intake passage by means of negative pressure.

Abstract: Vacuum cleaner dust container and a vacuum cleaner The present application is directed to a vacuum cleaner dust container (1) and vacuum cleaner comprising such a dust container (1). The dust container (1) comprises a base body (2) accommodating a dust collecting chamber adapted to be coupled to a cyclonic dust separation unit, and comprising a lid (8) adapted to close a dust discharge opening (9) of the dust collecting chamber, and further comprising an actuating mechanism (12) coupled between the lid (8) and base body (2) and adapted for controlling opening and/or closing movements of the lid (8).