Abstract: A filter arrangement for filtering dust-laden air generated by a hand-guided power tool having a motor features a filter cartridge having a hollow casing with a longitudinal extension along a longitudinal axis, a hollow filter element located inside the hollow casing, having a longitudinal extension along the longitudinal axis, an air inlet port in the hollow casing, pneumatically connected to the power tool to allow the dust-laden air generated by the power tool to flow into the hollow casing, and an air outlet port in the hollow casing, to allow filtered air to leave the filter cartridge. An external chamber of the filter cartridge is formed between the hollow casing and the hollow filter element. An internal chamber is formed inside the hollow filter element. The internal chamber is closed by a conical head portion at a first end of the internal chamber facing towards the air inlet port.

Abstract: A hand vacuum cleaner has an air flow path extending from a dirty air inlet to a clean air outlet. An air treatment member and suction motor are positioned in the air flow path. The air treatment member is provided at the front end of the hand vacuum cleaner and has an air outlet provided at the rear end of the air treatment member. A pre-motor filter housing is provided rearward of the air treatment member. A pistol grip handle has an upper end that is mounted to the pre-motor filter housing.

Abstract: A floor cleaning machine having an intelligent system including a recovery tank sub-assembly, a vacuum fan sub-assembly, a solution tank sub-assembly, wherein the solution tank sub-assembly preferably includes a secondary electrochemical cell, a solution flow sub-assembly, a control console sub-assembly, a frame and wheel sub-assembly and/or a frame and transaxle sub-assembly, a scrub head sub-assembly, a scrub head lift sub-assembly, a squeegee sub-assembly, a solution flow sub-assembly, and an intelligent system associated with at least one of the above-identified sub-assemblies, wherein the intelligent system at least one of selectively gathers, obtains, monitors, stores, records, and analyzes data associated with components of the floor cleaning machine assembly, and at least one of controllably communicates and disseminates such data with at least one of another system and user.

Abstract: An air handling assembly and a cleaning apparatus having same are provided. The air handling assembly includes: a cyclonic chamber, a cyclonic cone, a dust collection chamber and an exhaust chamber. The cyclonic chamber has a dirty air inlet, a clean air outlet and a dust fall opening. The cyclonic cone is arranged inside the cyclonic chamber, an air exit of the cyclonic cone is arranged away from the dust fall opening, and an end of the cyclonic cone close to the dust fall opening is spaced apart from an end of the cyclonic chamber at which the dust fall opening is arranged.

Abstract: A vacuum cleaning appliance includes a body having a longitudinal axis, and a motor unit located in the body for creating an airflow through the appliance. A handle extending along the longitudinal axis has a first end connected to the body and a free, second end. A filter assembly is detachably connected to the body proximate to the first end of the handle. The filter assembly defines a bore running through the filter assembly along the longitudinal axis, the bore being shaped to allow the filter assembly to slide along the handle towards the second end thereof following detachment from the body.

Abstract: A surface cleaning apparatus includes include at least a recovery system for removing the spent cleaning fluid and debris from the surface to be cleaned and storing the spent cleaning fluid and debris. The recovery system includes a recovery tank having a strainer that is configured to strain large debris and hair out of the recovery tank.

Abstract: A vacuum cleaner including a dirty air inlet, a fluid flow path extending from the dirty air inlet to a clean air outlet, a fluid flow motor positioned in the fluid flow path, and a filter assembly positioned in the fluid flow path. The filter assembly including a first cylindrical filter and a second cylindrical filter nested within and removable from the first cylindrical filter. An inner diameter of the first cylindrical filter is smaller than an outer diameter of the second cylindrical filter such that the second cylindrical filter is compressed in order to be nested within the first cylindrical filter.

Abstract: An evacuation station for collecting debris from a cleaning robot includes a controller configured to execute instructions to perform one or more operations. The one or more operations includes initiating an evacuation operation such that an air mover draws air containing debris from the cleaning robot, through an intake of the evacuation station, and through a canister of the evacuation station and such that a receptacle received by the evacuation station receives at least a portion of the debris drawn from the cleaning robot. The one or more operations includes ceasing the evacuation operation in response to a pressure value being within a range. The pressure value is determined based at least in part on data indicative of an air pressure, and the range is set based at least in part on a number of evacuation operations initiated before the evacuation operation.

Abstract: A vacuum cleaner includes a housing that houses a suction nozzle and a fan and is configured to be moved on a surface to be cleaned, a cartridge including a solution, a spray nozzle that directs a spray on the surface, a valve that actuates the spray nozzle and a controller that selectively operates the valve based on pre-programmed instructions. The spray nozzle is positioned on the housing in a direction away from a direction of movement of the housing.

Abstract: A surface cleaner includes a suction source that generates a suction airflow to draw liquid-laden air along a fluid flow path from a dirty air inlet to a recovery tank. The recovery tank includes a chamber for storing liquid, an inlet along the fluid flow path, an outlet aperture along the fluid flow path, and a float having an indicator. An inflow path upstream of the inlet connects the dirty air inlet to the recovery tank. The float moves between a first position spaced away from the outlet aperture allowing air to exit the recovery tank along the fluid flow path, and a second position adjacent the outlet aperture obstructing the fluid flow path. The indicator is visible to a user when the float is in the second position.

Abstract: A floor cleaning machine having an intelligent system including a recovery tank sub-assembly, a vacuum fan sub-assembly, a solution tank sub-assembly, wherein the solution tank sub-assembly preferably includes a secondary electrochemical cell, a solution flow sub-assembly, a control console sub-assembly, a frame and wheel sub-assembly and/or a frame and transaxle sub-assembly, a scrub head sub-assembly, a scrub head lift sub-assembly, a squeegee sub-assembly, a solution flow sub-assembly, and an intelligent system associated with at least one of the above-identified sub-assemblies, wherein the intelligent system at least one of selectively gathers, obtains, monitors, stores, records, and analyzes data associated with components of the floor cleaning machine assembly, and at least one of controllably communicates and disseminates such data with at least one of another system and user.

Abstract: A cleaner includes: a main body that has an opening; a suction motor that is disposed in the main body and generates suction force; and a filter unit that includes an exhaust filter for filtering air discharged from the suction motor, the filter unit being inserted into the main body through the opening and being separated from the main body, wherein when the filter unit is combined with the main body, a portion of the filter unit protrudes out of the main body, and a portion of the exhaust filter is positioned inside the main body and the other portion of the exhaust filter is positioned outside the main body.

Abstract: A cleaning device comprises a surface interaction layer (ML), a cleaning fluid supply (CFF) provided with a cleaning fluid channel (CFC) at the surface interaction layer (ML) for supplying a cleaning fluid to a surface (F) through the surface interaction layer (ML) being in contact with the surface (F), and a dirty fluid drain (DFD) having a dirty fluid channel (DFC) at the surface interaction layer (ML) for draining, by means of underpressure, dirty water from the surface (F) through the surface interaction layer (ML) being in contact with the surface (F).

Abstract: A dirt collection and separation module can include a suction air flow around the perimeter of a tank to ingest fine dust that becomes airborne during the emptying process. Additionally, a trash can suction nozzle around a rim, a hand vacuum docking station, and an auxiliary suction nozzle that can fluidly couple the hand vacuum.

Abstract: The invention refers to a filter arrangement for filtering dust-laden air (7) generated by a hand-guided power tool (1), in particular a sander or a grinder, during operation of the power tool (1). The filter arrangement comprises a filter cartridge (13) having a hollow casing (14), a filter element (22) located inside the casing (14), an air inlet port (15) located downstream in respect to an airflow (8) through the filter cartridge (13) and in respect to the filter element (22) and adapted to be pneumatically connected to the power tool (1) in order to allow the dust-laden air (7) generated by the power tool (1) to flow into the casing (14), and an air outlet port (20) located upstream in respect to the airflow (8) through the filter cartridge (13) and in respect to the filter element (22), the air outlet port (20) adapted to allow filtered air (9) leave the filter cartridge (13).

Abstract: An electric device in the shape of a machine tool or an energy storage module for the electric power supply of a machine tool, with the energy storage module having a module housing with a device interface for the detachable connection to the machine tool, with the machine tool having a drive motor to drive a tool holder on which a tool provided to process a workpiece is arranged or is arrangeable, with the drive motor being switchable using a switching element of the machine tool and/or the energy storage module, with the electric device having a wireless communication interface for wireless communication with an external communication apparatus, which forms part of a vacuum cleaner provided to suction dust generated by the machine tool and with the wireless communication interface being designed to send at least one control command to control, the vacuum cleaner as a function of a switching status of the switching element to the external communication apparatus via a wireless control connection.

Abstract: A surface cleaning apparatus includes include at least a recovery system for removing the spent cleaning fluid and debris from the surface to be cleaned and storing the spent cleaning fluid and debris. The recovery system is provided with a recovery tank having a removably strainer that is configured to strain large debris and hair out of the recovery tank prior to emptying the recovery tank.

Abstract: A cleaning bin mountable to an autonomous cleaning robot operable to receive debris from a floor surface includes a debris compartment to receive a first portion of debris separated from the airflow and a particulate compartment to receive a second portion of debris separated from the airflow. The cleaning bin also includes a debris separation cone having an inner conduit defining an upper opening and lower opening. The upper opening receives the airflow from the air channel. The inner conduit tapers from the upper opening to the lower opening such that the airflow forms a cyclone within the inner conduit.

Abstract: A cyclone separation device includes a cyclone chamber for separating dirt from incoming air, a dirt collecting chamber arranged adjacent to the cyclone chamber for collecting dirt particles separated from air, and a dirt duct between the cyclone chamber and the dirt collecting chamber for allowing dirt particles to exit the cyclone chamber into the dirt collecting chamber. To reduce the generation of noise-generating air vortices, the dirt duct has an edge protruding into a direction at an angle to the dirt duct at an exit ridge of the cyclone chamber that is first encountered by the air rotating in the cyclone chamber. Preferably, the edge is formed by a tangential extension of a wall of the cyclone chamber. A vacuum cleaner advantageously includes such a cyclone separation device.

Abstract: A self-propelled, dust-collecting robot includes a main-body part including a dust collection box, and a first battery pack, which has a case, at least one battery cell in the case, a control circuit board having a controller mounted in the case, and a discharge terminal. The main body part includes a first battery pack mount having a connector to which the first battery pack is removably connectable. The first battery pack is configured for use in an electric power tool.

Abstract: A hand held surface cleaning apparatus comprises a generally spherical cyclone chamber having dual cyclone air outlets and dual dirt outlets.

Abstract: A cyclone separator useable in a surface cleaning apparatus comprises a cyclone chamber and a dirt collection chamber exterior to, and surrounding at least a portion of the cyclone chamber. The dirt collection chamber is in communication with the cyclone chamber via a dirt outlet. An air flow passage extending to the cyclone air inlet travels generally axially through the dirt collection chamber.

Abstract: Disclosed is a sensor arrangement on a process installation comprising at least two sensor tiles, wherein each sensor tile comprises a support and a plurality of sensors arranged on the support for determining a physical or chemical variable of a measuring medium, a process characteristic of the measuring medium, and/or a state of the process installation. A first sensor tile comprises a control unit having a transmit and receive module for data exchange with a control unit of a second sensor tile. The first control unit of the first sensor tile and/or a second control unit allocated to the sensor arrangement is designed to weight the values determined by each sensor tile. Weighting may be a function of the measured value variations of the sensor tile, the position of the sensor tile in the process installation, and/or the function of the sensor tile.

Abstract: A floor cleaning machine having an intelligent system including a recovery tank sub-assembly, a vacuum fan sub-assembly, a solution tank sub-assembly, wherein the solution tank sub-assembly preferably includes a secondary electrochemical cell, a solution flow sub-assembly, a control console sub-assembly, a frame and wheel sub-assembly and/or a frame and transaxle sub-assembly, a scrub head sub-assembly, a scrub head lift sub-assembly, a squeegee sub-assembly, a solution flow sub-assembly, and an intelligent system associated with at least one of the above-identified sub-assemblies, wherein the intelligent system at least one of selectively gathers, obtains, monitors, stores, records, and analyzes data associated with components of the floor cleaning machine assembly, and at least one of controllably communicates and disseminates such data with at least one of another system and user.

Abstract: Aspects of the present invention relate to a recovery tank support structure for a surface cleaning device such as an extractor. The support structure partially encircles and supports the recovery tank removably mounted to a base in order to prevent any unwanted movement of the tank or its contents during operation of the extractor. The support structure creates a void for housing the recovery tank, wherein a locking mechanism may be employed to engage the recovery tank and secure it in position. An upper portion having a handle for propelling the extractor is pivotable about the base independent of the support structure thereby allowing a user access to a wide range of pivoting motion and maneuverability during extractor operation.

Abstract: A particle separator is provided for separating small particles from large particles from material. The particle separator includes a conical shaped separator housing that forms a cyclonic separator enclosure, a cover attached at a top portion of the cyclonic separator enclosure, and an opening at a bottom portion of the cyclonic separator enclosure. The cyclonic separator enclosure has an inlet tube with a tangential entry opening along an inner wall of the cyclonic separator enclosure, where the inlet tube projects horizontally outward from an upper portion of the cyclonic separator enclosure. An outlet tube extends upward from a center of the cover with a vacuum unit connected to the outlet tube that creates a vortex in the cyclonic separator enclosure.

Abstract: A vacuum cleaner operable to separate debris from an airflow including a separator defining a cyclonic chamber having a dirty air inlet, a dirt outlet, and an air outlet. The vacuum cleaner further includes a dirt collection chamber in fluid communication with the dirt outlet of the cyclonic chamber. The dirt collection chamber further includes a sidewall having an opening, and the separator is pivotably coupled to the dirt collection chamber. The separator is received within the dirt collection chamber by pivoting the separator into the opening.

Abstract: The present invention relates to a separator for vacuum cleaners operating on the basis of a liquid bath, the liquid bath serving as pre-separation and as a dumping area for the aspirated particles. It consists of segments (7), each of the segments (7) being formed as a radially flat ring (13) that is centrally secured to a hub (11) via radial supports (12) and having blades (8) extending equidistantly and substantially perpendicularly to the surface of the ring (13). The blades (8) are positioned on each individual segment (7) in a way that a gap (9) is formed between each two adjacent blades (8) of each segment (7). When individual segments (7) are stacked one over another, the blades (8) of one segment (7) extend into the gaps (9) between the blades (8) of the next segment (7), such that a newly formed gap (91) is formed between the two adjacent blades (8) of the assembled separator (1).

Abstract: A vacuum cleaner comprising: a housing; a motor-fan assembly arranged to generate an airflow between an air inlet and an air outlet; a dirt collection chamber mounted to the housing and having a door; and a filter assembly located within the dirt collection chamber, the filter assembly comprising a coarse filter having a first gripping portion and a fine filter having a second gripping portion, wherein the first and second gripping portions are capable of being gripped by a user, wherein the first gripping portion and the second gripping portion are isolated from an airflow path between the air inlet and the air outlet.

Abstract: A surface cleaning apparatus including: a housing supporting: a suction source including a motor with an axle having an axis (A) which rotates a fan; a dirt collection chamber having an elongate axis (B); and a battery for providing power to operate the suction source, wherein the battery has an elongate axis (C); wherein the axis (A) of the motor axle and the elongate axis (B) of the dirt collection chamber extend transversely with respect to the elongate axis (C) of the battery.

Abstract: The present disclosure relates to a wastewater tank structure and cleaning equipment. The wastewater tank structure includes a tank body and a tank cover assembly. The tank body has an accommodation cavity therein, and an end of the tank body is formed with an opening in communication with the accommodation cavity. The tank cover assembly includes a cover body and at least one flow divider, and the cover body is disposed at an end of the tank body proximate to the opening. The flow divider is in communication with the cover body and the accommodation cavity. The flow divider is configured to divide a fluid stream flowing therethrough into a plurality of fluid streams formed into pairs having paired kinetic energies carried thereby and paired opposing flow directions, such that the kinetic energies of the pairs of fluid streams cancel out.

Abstract: A robot cleaner capable of extending the service life of a filter by including a cyclone unit is provided. The robot cleaner includes a main body including wheels configured to rotate about a rotation axis, a brush device provided in the main body to draw in air containing dust, a first chamber, through which the air drawn in through the brush device is introduced, configured to change a traveling direction of the introduced air, and a second chamber connected to the first chamber and including a dust separator separating dust contained in air, and arranged side by side with the first chamber in a direction in which the rotation axis extends.

Abstract: A surface cleaning device includes a body, a suction opening, a suction source, and a separation chamber. The body has a handle and a receptacle. The suction source is at least partially located within the body. The suction source is in fluid communication with the suction opening and is operable to draw a fluid mixture of liquid and air through the suction opening. Liquid is separated from the fluid mixture in the separation chamber. The separation chamber is coupled to the body for rotation relative to the receptacle about a rotational axis. The separation chamber includes an inlet in fluid communication with the suction opening, an outlet in fluid communication with the suction source, and a drainage outlet in fluid communication with the receptacle.

Abstract: A cleaner includes a housing including a suction opening, a cyclone part configured to separate air and dust, and a dust bin configured to store dust separated from air in the cyclone part and a frame disposed to surround an axis of a cyclone flow of the cyclone part in the housing and configured to be movable between a first position and a second position in the housing, wherein the frame includes a first body disposed to face the suction opening at the first position and disposed to be inclined with respect to the axis of the cyclone flow, and an upper end of the first body is located to be the same as or higher than an upper end of the suction opening.

Abstract: A handheld vacuum cleaner includes a dust cup assembly, a suction nozzle assembly and a handle assembly. The dust cup assembly includes a cup casing, an airflow generation device and a cyclone separation device, both of which are arranged in the cup casing, the airflow generation device being arranged above the cyclone separation device and positioned on a downstream side of the cyclone separation device, and an air vent being formed in a top of the cup casing. The suction nozzle assembly is mounted to the cup casing and defines a suction channel. The handle assembly is mounted to the cup casing and used to be held. With the structure, a blowing direction of the air vent is not towards a surface to be cleaned, so as to prevent the wind from the air vent blows away dust on the surface to be cleaned and hence ensure a cleaning effect.

Abstract: A cleaner for collecting dust is provided. The cleaner includes a suction head, a dust collector having a first end mounted on the suction head and including a first dust collecting chamber, an extension member slidably mounted on the dust collector at the other end opposite to the first end of the dust collector, and a first dirt removing member disposed at one end of the extension member and having elasticity.

Abstract: A floor cleaner having a recovery tank, a suction source, and a filter basket. The suction source is configured to generate an airflow along a fluid flow path to draw fluid and debris from a surface to be cleaned into the recovery tank. The recovery tank has an outlet duct on a tank body. The filter basket is positioned in the outlet duct on the tank body and configured to filter debris from the airflow.

Abstract: Applicant has created systems, methods, and apparatuses for controlling the power supply of a vacuum cleaner motor. The systems and apparatuses include pressure taps to detect a pressure differential within a vacuum cleaner, a float that adjusts depending on an amount of liquid stored, and a power switch that toggles based on the pressure differential created by the position of the float. Alternatively, the float can be replaced by an air chamber so that the pressure differential is created by liquid rising above the volume of air trapped in the chamber. The method can include interrupting the current supplied to an electrical circuit of a power switch based upon a pressure differential created within the vacuum. By controlling the power supply to a vacuum cleaner motor based on a pressure differential created by the amount of liquid stored within the vacuum cleaner, the vacuum cleaner can automatically disable the vacuum cleaner's motor as the vacuum approaches its maximum liquid capacity.

Abstract: A sump pump system with a sump pump, a sump pump electrical cord connected to the sump pump, and a housing that is secured in line with, and an integral component of, the sump pump electrical cord. An electronic controller is located within the housing and comprises sensors, processors, a switch, and audible and visual alarms and indicators, wherein the switch and visual alarms and indicators are located on a face of the housing.

Abstract: A vacuum cleaner comprising a housing, a suction source, a dirt collection chamber in fluid communication with the suction source, a battery to provide power to the suction source, and a plug assembly having a body and an electrical connector in electrical communication with the battery via a cord. The plug assembly is configured to receive power from an AC power source to charge the battery. The plug assembly is moveable between a first position, in which the plug assembly is outside the housing and a second position in which the plug assembly is received in the housing. When the plug assembly is in the second position, the body of the plug assembly forms an outer surface of the housing.

Abstract: A cleaner comprises a cleaner main body, a first main body formed in a spherical shape and a second main body protruding from the front of the first main body such that the width at a second point located forward of a first point is smaller than the width at the first point.

Abstract: A three-tier cyclone dust bin filtration system and a vacuum cleaner comprising the system. The filtration system comprises a tier one filtration apparatus and a spiral tier two dust-air separation apparatus in communication with an air outlet of the tier one filtration apparatus and provided with two tiers of filtration structures, where the spiral tier two dust-air separation apparatus is detachably fixed onto the tier one filtration device. The vacuum cleaner comprises a floor brush, a push rod, a main machine, and the three-tier cyclone dust bin filtration system.

Abstract: A cleaner includes: a suction unit; a main body that is connected with the suction unit and separates dust from air sucked through the suction unit; and a handle unit that is connected to the main body, wherein the main body includes: a first body and a second body; a sealing member for sealing a boundary between the first body and the second body; and a support body that supports the sealing member and has an opening that communicates with the suction unit.

Abstract: A surface cleaning apparatus such as an extractor has an upright section moveably mounted to a surface cleaning head. The upright section comprises a first stage liquid separator and a second stage cyclone separator, wherein the liquid collection container and the solid collection chamber are emptyable concurrently.

Abstract: A universal hose assembly for wet/dry vacuums is an apparatus having a belt that fastens around a shop vacuum and has a pivotal tube attached to the belt that an expandable vacuum hose is able to be retracted and stored within or expanded outward for use. The pivotal tube and expandable vacuum hose is pressed against the vacuum inlet via the belt and sealed with a gasket. The exterior side of the belt has accessory loops for holding various vacuum accessory attachments.

Abstract: An upright surface cleaning apparatus such as an extractor has an upright section moveably mounted to a surface cleaning head. The upright section comprises a first stage liquid separator and a second stage cyclone separator, wherein the cyclone separator is positioned above and downstream from the first stage liquid separator when the upright section is in the storage position.

Abstract: A dust collector includes a cylindrical housing forming an outer appearance of the dust collector; a cyclone inside the housing to cause a swirling flow to separate dust from air introduced into the housing; axial inlet type swirl tubes receiving air and fine dust that have passed through the cyclone, and causing a swirling flow to separate the fine dust from the air; and a mesh surrounding an outside of the axial inlet type swirl tubes to form a boundary between the cyclone and the axial inlet type swirl tubes, wherein the axial inlet type swirl tubes are stacked in stages and the axial inlet type swirl tubes in each stage are arranged in first and second columns that are provided in opposite directions to each other, and axial lengths of the axial inlet type swirl tubes gradually increase toward the center of each stage.

Abstract: A vacuum cleaner includes an air treatment or debris removable assembly with a multi-layer filtration stage. The multi-layer filtration stage can include an outer mesh screen, a louvered exhaust grill, and a multi-layer filter. Optionally, an inner perforated exhaust grill is also provided. The debris removable assembly can further include a cyclonic filtration stage.

Abstract: A surface cleaning apparatus, such as an extractor, has a separation stage comprising a separator and a separated liquid container in communication with a separated element outlet of the separator. When the surface cleaning apparatus is in a vertical orientation, the separated liquid container has a first portion underlying the separator, a second portion laterally spaced from the first portion and positioned below the separator and a third portion positioned above the second portion, and the third portion has a volume that is at least 80% of a volume of the first portion.

Abstract: A vacuum cleaner includes a cleaner main body, a suction device, a suction motor, and a dust container. The dust container includes a dust collection body configured to contain dust, an opening/closing portion rotatably coupled to the dust collection body and configured to rotate to thereby open and close at least a portion of the dust collection body, and an operation portion connected to the dust collection body and configured to rotate in both a first direction and a second direction opposite the first direction. The opening/closing portion is configured to rotate based on the operation portion rotating in the first direction, and configured to rotate based on the operation portion rotating in the second direction.