Abstract: A floor cleaning apparatus includes a housing. A dirt collection vessel and a suction generator are both carried on the housing. A cleaning tool receiver is connected to the housing. The cleaning tool receiver includes a spring loaded detent. In addition, the apparatus includes a cleaning tool releasably connected to the cleaning tool receiver. The cleaning tool includes a body having a latching aperture receiving the spring loaded detent when the cleaning tool is connected to the receiver. The cleaning tool also includes a release actuator in the form of a sliding lever. When manipulated, the release actuator engages the spring loaded detent and removes the spring loaded detent from the latching aperture so as to release the cleaning tool from the cleaning tool receiver.

Abstract: A dust collecting installation for collecting airborne dust adjacent to a moving web. An elongate duct extends transversely to the direction of movement of the web and is positioned adjacent to the web. The duct is shaped and positioned so as to form an opening into the duct that receives at least a proportion of a layer of dust laden air adjacent to and moving with the web surface, and dust laden air is in turn withdrawn from the duct. The duct is positioned and so shaped that air flow into the opening is augmented by a jet of air generated where the moving surface converges with and comes into contact with a surface of a roller which the web passes over and contacts.

Abstract: A canister vacuum cleaner comprises a base, a recovery tank, and a clean solution tank. The vacuum cleaner can be used for dry vacuuming, wet vacuuming, and can distribute cleaning solution to a floor surface and has means for a fluid distribution system and a recovery system. The clean solution tank can be filled with a cleaning solution for distribution to a floor surface and the recovery tank is used for collecting dry or liquid matter recovered from vacuuming.

Abstract: A surface cleaning apparatus can include a dirt inlet, a handle, and a cyclone bin having a longitudinal axis and a sidewall extending between an openable top and an openable bottom. The surface cleaning apparatus can also include a cyclone chamber located in the cyclone bin. The cyclone chamber can have an upper wall, a fluid inlet downstream from the dirt air inlet and a fluid outlet, and the fluid outlet can be removably mounted in the upper wall. The surface cleaning apparatus can also include a dirt collection located in the cyclone bin and a fluid flow motor.

Abstract: A cleaning appliance includes a main body, including a motor and fan unit for generating an airflow, a separating apparatus for separating dirt and dust from the airflow and a passageway for receiving a filter. The passageway and a filter may be located downstream of the separating apparatus and upstream of the motor, and the filter may have an at least partially curved filter surface. The filter is arranged around at least a part of the motor and fan unit. The filter is removable through a side, and through a wheel, of the appliance. The arrangement facilitates ease of removal of the filter from the cleaning appliance.

Abstract: A vacuum cleaner is disclosed. The present invention relates to a vacuum cleaner that is able to form dust and foreign substances collected in a dust collection device provided therein in a single mass shape to discharge it efficiently, not scattered in a dust collecting device. The vacuum cleaner includes a body, a dust collection device collecting dust and foreign substances therein, a compression device provided in the dust collection device to collect the dust and foreign substances collected in a predetermined portion of the dust collection device and to compress the collected dust and foreign substances, and a liquid supply device arranged in the dust collection device, in communication with an inside of the dust collection device, to supply liquid material to the dust collection device.

Abstract: The present invention relates to an electrical connector assembly including a male connector having a first plug body and a first electrical prong and a cooperating female connector having a second plug body with a cavity, a first electrical contact held in that cavity and a resilient shield received in the cavity. The resilient shield is displaceable from a first position covering the electrical contact and preventing intrusion of dirt and debris into the contact to a second position exposing the electrical contact for connection with the electrical prong.

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 vacuum box in fluid communication with a tractor that removes coatings from surfaces. The vacuum box includes a vacuum inlet in fluid communication with a source of negative pressure and a debris inlet in fluid communication with the tractor so that debris is drawn into and collected within a hollow interior of the vacuum box. A water outlet provides a drain for water that collects within the vacuum box. A sloped false bottom wall is disposed within the hollow interior so that debris collects atop it. The vacuum box is emptied by draining water from it, followed by opening a door formed in the vacuum box at the lower end of the sloped false bottom wall so that the collected debris slides down the false bottom wall and out the door into a debris receptacle.

Abstract: An air quality monitoring system is associated with a housing of a vacuum cleaner and includes at least one sensor for measuring data of an air quality parameter and a display, such as a color screen, for presenting information regarding the air quality parameter that is measured by the at least one sensor. The air quality monitoring system may be a self contained unit that may be removed from the housing of the vacuum cleaner or may be included as an integral part of the vacuum cleaner.

Abstract: A wet type suction cleaner comprising a tank (10) having an inlet (22) for suction-induced air flow and an outlet leading to a fan for creating the suction: and a float valve assembly (30) including a housing (32) and a float member movable relative to the housing (32) to cause closure of the outlet; wherein the inlet (22) directs the suction air flow to impinge on a part (40) of the housing (32), and the housing (32) has an opening (54) leading to the outlet which opening (54) is at a part of the housing (32) facing away from the inlet (22), the housing (32) further comprising deflecting means (42) for deflecting impinged matter away from the opening (54).

Abstract: An external filter box for a surface maintenance machine having a hopper with selective communication being provided between the filter box and the hopper to permit dusty air to flow from the hopper to the filter box and to permit dust and debris captured by the filter box to flow into the hopper. In one example, the hopper includes a prefilter assembly which is coupled to an inlet of the filter box during a sweeping operation and which is removed away from the filter box during a hopper dump procedure.

Abstract: A dust filter bag is in the shape of a flat bag for a vacuum cleaner, which is formed from a first layer and a second layer made of a weldable material. The layers are welded together circumferentially along the circumference thereof.

Abstract: A holding plate for a vacuum cleaner bag is provided. The holding plate includes a base plate with an opening, a closing element pivotably arranged on the base plate, and a spring element having a bending angle (B) that upon pivoting of the closing element in an opening direction from a first position to a second position in which the opening is opened, in a predetermined pivoting angle range that is smaller than the corresponding opening angle (* ?) of the closing element, wherein the closing element can be brought from the second position into the first position by the restoring force of the spring element in the direction opposite to the opening direction, and wherein the spring element is located behind the locking element in the opening direction.

Abstract: A handheld vacuum cleaner housing with a frame element forming at least a portion of a handle and extending in a main handle direction. A through hole passes through and is encircled by the frame element, and is configured to receive one or more fingers of an operator. A top casing element is connected to the frame element and covers at least some of a top side of the frame element. A bottom casing element is connected to the frame element and covers at least some of the bottom side of the frame element. The frame element, top casing element and bottom casing element are arranged to form at least part of a vacuum source housing for accommodating at least a part of a vacuum source. A vacuum cleaner having a similar housing, as well as a detachable second housing having a debris compartment and nozzle, is also provided.

Abstract: The disclosed disposable vacuum cleaner has a disposable bag with a collar at the bottom, rather than on the sides. Dirty air enters the bag vertically, rather than horizontally, through a duct that is positioned near the floor, separate from the handle on the vacuum cleaner. An elongated, light-weight tube is disposed within the bag, and has a lower end that is connected to the collar. The tube is made of a thin, lightweight, lay-flat tubing with opposed creases, and is flexible and collapsible. It has a length that is greater than half the height of the sides of the bag. The collar has a seal that is trapped between two pieces of mounting material and extends around the periphery of the duct, providing an elastic seal. The bag has a top that is reinforced with a cardboard support. Extending flanges on the support can be used to suspend the bag from arms in the vacuum cleaner.

Abstract: The invention relates to a floor cleaning appliance comprising a housing, on the underside of which is arranged at least one drivable cleaning tool for removing dirt from a surface to be cleaned, and further comprising a suction unit for vacuuming-off the dirt and a dirt container for receiving the vacuumed-off dirt. In order to so develop such a floor cleaning appliance that it is easier to service, it is proposed in accordance with the invention that the housing comprise a dirt container receptacle in which the dirt container is releasably positionable, and, in addition, at least one functional device receptacle for at least one functional device, the at least one functional device or a cover of the at least one functional device being freely accessible after removal of the dirt container from the dirt container receptacle.

Abstract: A surface cleaning apparatus comprises a cyclone having an open end dirt outlet and a plate facing the open end, the height of a gap between the plate the open end is not constant.

Abstract: A vacuum cleaner (2) having a body (4) having a floorhead (6) and an elongate handle (14) pivotably mounted to the body is disclosed. A door (24) is provided on an end (20) of a collection chamber (12) opposite to a clean air outlet, and a coarse filter (32) and fine filter (46) are located within the collection chamber for separating out debris entrained with dirty air and depositing the debris in the collection chamber. An interior face of the door is provided with radial tangs (68), and an end face (48) of the fine filter is provided with radial tangs (60) such that when the door is closed and the elongate handle is pivoted relative to the body, the fine filter and coarse filter rotate relative to each other to cause cleaning of the filter elements.

Abstract: It is presented a dust cup housing (11) comprising a filter assembly which comprises an outer filter (25) and an inner filter (24). The outer filter and inner filter are formed as receptacles and the inner filter is slidably insertable into the outer filter. In a mounted position the inner filter is arranged to be substantially fully inserted into the outer filter. The filter assembly further comprises a fixing member (40, 41; 50, 51; 60, 61) which is arranged to retain the inner filter in a predetermined displacement (d) position relative to the mounted position, in response to the inner filter being subjected to an extraction force for detaching the filter assembly from the dust cup housing. Thereby a user of the filter is in a convenient and intuitive way alerted that the filter assembly comprises more than one filter.

Abstract: The present disclosure relates to a vacuum cleaner comprising an electric motor (3) and a blower (5), producing an air flow (9) through the vacuum cleaner. The electric motor and the blower are placed on a common vertical axis (17). A separator unit (13) is placed lateral with respect to the common axis of the motor and the blower. A bent conduit (19) connects the blower with the separator unit, and one end (21) of the conduit encloses the common vertical axis. In the prolongation of the common axis the conduit comprises a portion with a double wall forming a closed air pocket (23). This provides damping of noise emitted by the blower/motor and which propagates in the opposite direction of the air flow.

Abstract: A vacuum assembly has a vacuum housing. The vacuum housing has lower and upper ends. The vacuum housing has a cylindrical wall adapted to secure the system onto a work surface. An enclosure assembly has an enclosure housing. The enclosure housing has lower and upper ends. The enclosure housing has a cylindrical wall. The upper end has two semi-circular closure panels. The panels have hinges. The panels are adapted to cover the upper end. The panels having mating semi-circular recesses. In this manner a passageway is formed. A horizontal membrane couples the vacuum and enclosure housings.

Abstract: A hydro-infusion wet/dry debris containment system unit and an adaptor are described. The unit comprises at least one canister, debris intake system, filter, tank, electric motor assembly, fill port, and exhaust port. The unit further comprises an ionic generator. The adaptor comprises at least one debris intake system and reservoir. The debris intake system comprises a debris inlet port, an expansion chamber, a fluid collar, a fluid inlet, and a debris outlet port. The fluid collar comprises a plurality of orifices that generate a curtain of water. The fluid inlet comprises at least one regulator. Debris sucked into the debris inlet port is lifted by a venturi effect caused by airflow across the smoothly varying inner diameter of the inlet port lumen wall and expands in the expansion chamber as it flows through the fluid collar and particulates are encapsulated by the curtain of water.

Abstract: The present disclosure provides a method, apparatus, and system to mount a filter bag to a wet/dry vacuum cleaner by providing an adapter for mounting the filter bag to a drain opening in the wet/dry vacuum cleaner drum and restricting the typical vacuum port, forcing the vacuum materials to enter through the drain opening and into the bag. The lid of the wet/dry vacuum cleaner can be removed independently of the bag to avoid rupturing the bag. Further, the bag can rest on the bottom of the drum for support.

Abstract: An upright vacuum cleaner having dual cleaning motor and fan units is provided having a cleaning head engagable with a floor and a suction nozzle and a brush roller rotatably mounted therein. A first motor and fan unit is mounted in the vacuum cleaner for producing suction in the suction nozzle and is operatively connected to the brush roller for rotating it. An upright housing is connected to the cleaning head, the housing having a handle for moving the vacuum cleaner along the floor during floor cleaning use. Contained in the housing are a dirt storage container, a passageway leading from the suction nozzle in the cleaning head to the storage container and a second motor and fan unit operatively associated with the storage container for drawing dirt laden air from the cleaning head through the passageway and into the storage container simultaneously with operation of the first motor and fan unit.

Abstract: A handheld vacuum cleaner including an inlet, an outlet, and a dust cup having an aperture. The dust cup is in fluid communication with the inlet and the outlet and is configured to retain debris collected by the handheld vacuum cleaner. A fan is configured to draw air through the inlet and the dust cup and to discharge air through the outlet. A door is adjacent to the dust cup and includes the inlet. The door is movable between an open position to allow a user to empty the debris collected within the dust cup through the aperture of the dust cup and a closed position to inhibit debris from being emptied through the aperture of the dust cup and to allow debris to be collected through the inlet and through the aperture of the dust cup. A biasing member configured to bias the door toward the open position.

Abstract: A filter bag for a vacuum cleaner includes at least three layers, at least two layers which include at least one nonwoven fabric layer and one nonwoven fibre layer being connected by a weld, a high bulk resulting due to the small number of welds per surface area.

Abstract: A filter box for a surface maintenance machine incorporating aspects of a fan housing. In one example, a filter box for a sweeping machine is provided with an impeller fan housing beneath a cylindrical filter. Operation of the impeller fan draws air from a debris hopper, through the cylindrical filter, and through an expansion chamber defined by a scroll conduit prior to outlet to atmosphere.

Abstract: The present invention relates to an upright vacuum cleaner having a main longitudinal extension, comprising a housing provided with a cavity, which cavity is formed between a bottom portion, and a frame portion, and a dust container comprising a wall and having two lateral sides, wherein the dust container is arranged in the cavity, and wherein the frame portion comprises at least two support bars arranged substantially in the longitudinal direction of the vacuum cleaner, one along each lateral side of the dust container, such that the at least two support bars contribute to the rigidity of the vacuum cleaner while a major portion of the wall of the dust container remains visible.

Abstract: A portable vacuum cleaning system includes a portable vacuum unit for cleaning debris. The vacuum unit is powered by a self-contained first electric power storage device and may be carried with a strap in backpack-fashion. The system also includes a cart defining a receptacle for receiving the vacuum unit. The vacuum unit may be used when supported by the cart or when carried by an operator. A second electric power storage device is supported by the cart and electrically connectable to the vacuum unit for charging the first electric power storage device when the vacuum unit is supported by the cart. Further, when disposed in the cart, the vacuum unit is disposed at an angle of about 45 degrees allowing for ease of movement of the cart.

Abstract: A particularly advantageous vacuum cleaner system has at least two filters and self-cleans its filters via back-flushing, without needing to stop normal operation to self-clean. Also, a self-cleaning valve assembly is provided for use in a vacuum cleaner. Also, a vacuum cleaner is provided that uses permanent, self-cleaning filters, and does not need disposable filters or filter bags, and advantageously can use inexpensive plastic bags. In another vacuum cleaner system, waste is collected in an ordinary plastic bag without any special preparation or modification of the bag being needed. Further, an inventive self-cleaning X-valve assembly cleans itself and is useable in the vacuum cleaner system.

Abstract: A cover tube concentric about a pressure tube at the opposite end.

Abstract: A vacuum cleaner with a cyclone module assembly comprising a separation chamber for separating dust and debris from air, a dirt collection chamber for collecting dust and debris that is separated from the air in the cyclone separation chamber, wherein the separation chamber further includes an exhaust grill that is removable for cleaning.

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 cleaning appliance such as a vacuum cleaner includes a main body housing a motor and fan unit for generating a fluid flow. The main body also houses a removable pre-motor filter located upstream of the motor and fan and a removable post-motor filter located downstream of the motor and fan. It is beneficial to permit the user to be able to monitor the condition of both the pre-motor filter and the post-motor filter, and to remove and replace them as required, and so access to both filters may be provided. It is more important that the user checks the pre-motor filter as it gets dirtier than the post-motor filter. Therefore, the post-motor filter is not accessible or removable from the main body until the pre-motor filter is removed from the main body, by removing its housing.

Abstract: The disclosure relates to the field of vacuum cleaning and in particular the collection of air-entrained debris, in a filter bag. The filter bag is for use in vacuum cleaning apparatus, and comprises fine planar filtration means in the form of a collection bag and coarse planar filtration means both being adapted to be placed in a suction-induced air stream with the coarse filtration means disposed upstream of the fine filtration means, wherein the fine filtration means serves to provide a fine filter for retaining dust particles and wherein the coarse filtration means comprises a relatively coarse filter material having a thickness of at least 4 mm which provides a matrix volume in which dust may be collected. The volume occupied by the coarse filtration means comprises at least 2%, preferably at least 5%, most preferably at least 10% of the maximum internal volume defined by the collection bag.

Abstract: A dual cyclone dust-collecting apparatus of a vacuum cleaner is disclosed. The dust-collecting apparatus includes an air inlet through which an external air is drawn in, two cyclone chambers into which the external air drawn in through the air inlet air is drawn in, the two cyclone chamber being disposed in parallel, at least one dust-collecting chamber divided in parallel with respect to the two cyclone chambers, and two air outlets through which the external air from the two cyclone chambers is discharged. The air inlet is formed between the two cyclone chambers at a lower part of a cyclone body and the two air outlets are formed in bottom surfaces of the two cyclone chambers, respectively, so that the external air is drawn in through lower parts of one sides of the two cyclone chambers and then discharged through the bottom surfaces of the two cyclone chambers.

Abstract: The trash bin vacuum adapter apparatus provides for converting an existing rolling trash bin into both a vacuum and a blower, selectively. The apparatus also saves labor and time by allowing a user to gather debris and waste and contain the waste in the bin, all in the same step. As powerful existing tools are capable of fit to the apparatus, more vacuum performance can be generated than is customary of typical vacuums.

Abstract: Methods and systems for collecting dust produced in paper making involve an air inlet passage including an opening to receive dust laden air. The opening to the inlet passage may have a width approximately equal to a width of a paper web in a paper making machine. The air inlet passage is devoid of water injection. The dust collector may include a central vortex chamber and may be defined by an outer wall and an internal guide vane. There may be a water injector mounted in the outer wall and injecting water into the central vortex chamber, and there may be a discharge outlet of the central vortex chamber connectable to a water and air separator.

Abstract: The invention is a device and a method for manufacturing the device, namely an air moving device, such as a vacuum cleaner, yard air blower, or other air moving machinery. The device and method involves using compressible foam, molded into appropriate configurations to secure the mechanical components, such as the motor and fan, inside a housing for operation. In most cases the method would involve enclosing an Air Moving Motor and its supporting components between two molded pieces of foam. The foam would conform to significant features on the motor or accompanying devices. The assembly will be placed into a molded housing, using the housing to encase the assembly.

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

Abstract: The present invention relates to the field of vacuum cleaners and relates in particular to domestic or commercial cleaners which are provided with a bin (or vacuum chamber), rather than a filter bag, to collect air-entrained detritus. According to one aspect of the invention there is provided an insert (20,100) for converting a vacuum cleaner (10) of the aforementioned type so as to make the cleaner capable of operating in a mode in which air-entrained detritus is collected in a filter bag (29,109) located in the vacuum chamber (27), the insert comprising an enclosure (20,21,22,38,100,101) in which the filter bag may be accommodated, which enclosure comprises structural constraint means (21,22,23,24,38,103) which limits vacuum induced expansion of at least a region of the bag and maintains an airflow gap (28,108) between the filter bag outer surface and a vacuum chamber inner wall. The constraint means may in one embodiment be a plurality of inward facing spacer ribs (103).

Abstract: In a suction device for the intake by suction and/or extraction by suction of chips or dust, comprising a lower part (1) which is preferably provided with rollers (17), a collection container (2) which can be placed on said lower part and an upper part (3) which closes said collection container and has a motor-drivable fan (9) and a filter cartridge (7) which separates said fan from the interior of the collection container (2), an air inlet (4) which opens into the collection container (2) and is provided with a connector (6) and an air outlet (5) which is arranged downstream of the fan (9) being provided, a low transport volume can be achieved in a simple manner as a result of the fact that there is arranged between the lower part (1) and upper part (3) a support means which is configured in the manner of a telescope and with which there is associated a means (14) for receiving the upper end region of the collection container (2), the axial length of which is variable and the base of which can be secured to

Abstract: A vacuum cleaner (2) having a body (4) having a floorhead (6) and an elongate handle (14) pivotably mounted to the body is disclosed. A door (24) is provided on an end (20) of a collection chamber (12) opposite to a clean air outlet, and a coarse filter (32) and fine filter (46) are located within the collection chamber for separating out debris entrained with dirty air and depositing the debris in the collection chamber. An interior face of the door is provided with radial tangs (68), and an end face (48) of the fine filter is provided with radial tangs (60) such that when the door is closed and the elongate handle is pivoted relative to the body, the fine filter and coarse filter rotate relative to each other to cause cleaning of the filter elements.

Abstract: A collapsible filtration tank for a dust collector includes an outer frame, an engaging base and a filter. The outer frame is formed cylindrical, having plural meshes formed in its circumferential wall. The engaging base is formed annular, installed around the opening of the outer frame. The filter is inserted in a chamber of the outer frame and restrictively blocked by the blocking edge of the engaging base. Thus, the filter can be independently replaced with a new one instead of shifting the whole filtration tank.

Abstract: A vacuum cleaner has a lid that selectively opens or closes a filter bag compartment. A secondary motor protection filter is removably mounted in the lid by a frame of an elastic material that simultaneously seals the secondary filter element to the lid and seals the lid onto the bag compartment. An air passage flows between the secondary filter and the lid through a duct to the suction motor compartment. A perimeter groove in the lid receives a spline of the elastic frame of the filter element in a removable manner, while the opposite surface of the frame forms the seal surface relative to a housing rim around the bag compartment.

Abstract: A filter bag of a vacuum cleaner has a filter mounting plate that includes a generally strap-shaped securing element with pivot members on an end thereof. A housing of the vacuum cleaner defines a filter bag compartment therein and has pivot receivers into which the pivot members can be substantially vertically inserted. Then the filter mounting plate can be pivoted into a substantially horizontal installed position as the filter bag is inserted into the filter bag compartment. In the installed position, a first stop member of the filter mounting plate contacts and is stopped by a second stop member of the housing so as to prevent further pivoting and so as to properly position and hold the filter mounting plate.

Abstract: A vacuum cleaner comprising a housing, in which a dust collection chamber is arranged, which may be sealed by a dust chamber cover, on which an unlocking element for a clip element is provided, which cooperates with a counter-clip element on the housing, in order to hold the dust chamber cover in a closed position. According to the invention, a vacuum cleaner with improved cover lock may be achieved, whereby the unlocking element is integrated flush in the contour of the dust chamber cover and is embodied to be operated by pressing.

Abstract: The present invention provides a suction cleaning module comprising: a first housing, a second housing, a third housing and a fan blower. The second housing, connected to the bottom of the first housing, has a shell section such that a suction channel is formed between the shell section and the first housing and has a dust collection space communicating with the suction channel. The third housing, respectively coupled to the first and second housing, has a filtered flow outlet. The fan blower connected to the third housing has a flow inlet and a flow inlet corresponding to the filtered flow outlet.

Abstract: A dust box joined to a dust collecting device is formed of a box body, and a lid body that is joined to the box body by a hinge and can open and close an opening of the box body, and a main filter and a pre-filter are attached to the lid body.