Abstract: An envelope (10) for use with a vacuum cleaner, the envelope (10) comprising flexible material arranged to provide a fluid path there-through, and further comprising a coupling arranged to couple the envelope (10) to a structural member for in use maintaining the fluid path open by supporting the envelope (10) against external pressure, wherein the envelope (10) is arranged in use to isolate, from the fluid path, the structural member that supports the envelope (10).

Abstract: An air filter element for an air filter may include a first end plate and a second end plate spaced apart from each other in an axial direction and configured to bound the filter element in the axial direction. The first filter body may be arranged axially between the first and second end plates. A second filter body may be arranged axially between the first and second end plates. An intermediate plate may be arranged axially between the first and second filter bodies and have an intermediate plate area enclosed by an intermediate outer contour and a first end plate area enclosed by a first outer contour.

Abstract: In one aspect of the invention, a portable floor care system with manually interchangeable AC and DC vacuum motor head assemblies for use in cleaning hard surface flooring may include: a reservoir defining an interior space operable to hold a cleaning liquid; a spigot fluidly connected to the reservoir interior space, the spigot manually adjustable through a range between a fully open position and a fully closed position, whereby when the reservoir contains a cleaning liquid, a user may dispense and regulate the flow of the cleaning liquid from the reservoir through the spigot by manually adjusting the spigot; a vacuum recovery tank; an AC vacuum motor head assembly and a DC vacuum motor head assembly manually and interchangeably fluidly connectable to the vacuum recovery tank; and a DC power supply assembly.

Abstract: An air cleaner having a filter, causing air to pass through the filter and discharging the filtered air. The air cleaner includes: an air duct having an inlet via which air is received and an outlet facing a first part of a main surface of the filter and via which the received air is output towards the first part of the main surface; a fan causing air to be received by the air duct via the inlet, to be output from the air duct via the outlet, and to pass through the filter; and a flow distributer disposed between the outlet and the filter. The flow distributer changes a direction of flow of air output from the air duct from towards the first part of the main surface to towards a second part of the main surface of the filter that does not facing the outlet.

Abstract: An improved control system for a range hood that is capable of automatically responding to various air quality parameters including heat, smoke, carbon monoxide, humidity, and others. The system contains a number of features that, combining aspects of open-loop and closed loop control, manage the system dynamics for smoother operation, respond to both level and rate signals and compensate for background conditions and sensor variability by using relative values.

Abstract: A vacuum appliance comprising a drum and a vacuum head. The drum may include a base and a cylinder sealed to the base. The vacuum head may include a lid and a blower. The lid preferably includes a portion that is detachably mounted to an open upper end of the drum. The blower may be mounted to, atop, or within the lid. In any case, the blower induces a vacuum within the drum and moves through the vacuum. The base or the cylinder may include a drain to drain fluid and debris contained within the drum. The lid may include a lower portion sealed to and defining the open upper end of the drum. The cylinder or the lid may include an air inlet through which the blower draws air and entrained debris.

Abstract: Impeller for a motor-driven chimney draft system, comprising a flue gas impeller (10) for creating, in a flue gas passage, a draft in a flue gas downstream direction. A flue gas deflector disk (20) is situated downstream relative to the flue gas impeller (10) and connected to the flue gas impeller (10); and a hub for connecting the impeller to an end portion of a driving shaft of a motor (100), wherein the hub and the end portion of the driving shaft, when connected, are both situated downstream relative to the flue gas deflector disk (20), the hub indirectly connected to the flue gas deflector disk (20) by means of intermediate members. Advantageously the intermediate members are impeller blades (40) connected to the downstream side of the flue gas deflector disk (20) and to a venting disk (30) with venting holes (31, 32) so as to form a turbine.

Abstract: A vacuum cleaner comprising a dust-bag-housing 104 made of paper, preferably card board housing panels 104a.Thus, the vacuum cleaner is environmentally friendly, having recyclable parts in place of some typical plastic parts, and is also capable of muffling the noise of vacuum generation.

Abstract: A wet/dry vacuum cleaner having a cover closing off the upper end of the vacuum cleaner, a lid connected to the cover having a collector extending into the lid and a filter assembly extending downwardly from the collector into water tank, the lid having an exhaust port for the vacuum cleaner communicating with a exterior thereof. A volute is disposed internally of the lid and coupled to the exhaust port, the volute being generally horizontally mounted in the lid forming a flat volute for accumulating air flow.

Abstract: A vacuum cleaner operable to separate debris from an air stream. The vacuum cleaner includes a first cyclonic separator and a second cyclonic separator having an inlet configured to receive the air stream from the first cyclonic separator. The inlet of the second cyclonic separator directs the air steam in an inlet flow direction from an upper end of the first housing toward a lower end of the first housing and along a longitudinal axis into the second cyclonic separator. The inlet of the second cyclonic separator has an inlet cross-sectional area for flow of the air stream measured normal to the longitudinal axis that decreases in the inlet flow direction.

Abstract: The present disclosure relates to a vacuum cleaner comprising an electric motor 3 and a blower producing an air flow through the vacuum cleaner. The electric motor and the blower are placed on a common vertical axis 17. A separator unit 13 is placed laterally 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. The conduit comprises a portion located along the common axis 17 having 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 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 also comprise a cyclone chamber provided in the air flow path. The cyclone chamber may comprise a cyclone air inlet, a cyclone air outlet and a dirt outlet. The surface cleaning apparatus may comprise a dirt collection chamber having a dirt inlet, a dirt collection chamber first end, an opposed dirt collection chamber second end and a longitudinally extending sidewall. The sidewall may comprise a portion that has a longitudinal length and extends away from the dirt inlet towards the opposed dirt collection chamber second end. A transverse cross sectional area of the dirt collection chamber may varies at least once along the length of the portion of the sidewall.

Abstract: The invention relates to a vacuum cleaning appliance having a moveable stand. A suction device mounted on the stand has a device upper part mounted on the stand and a dirt collection container situated beneath the device upper part. The stand has a lifting device and an actuating element pivotable about a horizontal axis for raising and lowering the dirt collection container, which in its raised position abuts against the device upper part in a flow-tight manner, and in its lowered position rests on a floor surface. The actuating element is configured as a push bar having a handle part which, in the raised position of the dirt collection container, may be gripped by the user in a standing posture in order to move the vacuum cleaning appliance, and is upwardly pivotable about the pivot axis by at most 135° in order to lower the dirt collection container.

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: Various uses and constructions for an open sided nozzle for a surface cleaning apparatus are provided. Alternate constructions for a surface cleaning head are also provided.

Abstract: A cleaning appliance of the canister type includes a substantially spherical floor engaging rolling assembly comprising a fluid inlet for receiving a fluid flow and a device for acting on the fluid flow received through the inlet, and a steering mechanism for steering the cleaning appliance.

Abstract: A vacuum cleaner has an improved filter locking arrangement. A locking tab protrudes upwardly from a motor housing. The tab is received within an aligned slot in the filter housing and extends into a pocket formed in the filter frame. The tab prevents the filter frame from being rotated with respect to the filter housing and the motor housing while the filter housing is mounted to the main housing.

Abstract: A cleaning appliance of the canister type includes a substantially spherical floor engaging rolling assembly including a fluid inlet for receiving a fluid flow and a device for acting on the fluid flow received through the inlet, and a plurality of floor engaging support members for supporting the rolling assembly as it is maneuvered over a floor surface.

Abstract: A cleaning appliance of the canister type includes separating apparatus for separating dirt from a dirt-bearing fluid flow, a floor engaging rolling assembly comprising a device for drawing the fluid flow through the separating apparatus, a chassis connected to the rolling assembly, a duct moveable relative to the chassis for conveying the fluid flow to the separating apparatus, a floor engaging steering member for steering the rolling assembly, and a control mechanism for moving the steering member relative to the rolling assembly in response to movement of the duct relative to the chassis.

Abstract: A vacuum including a housing with a suction device disposed within the housing is provided. The vacuum can also include a frame having a plurality of wheels mounted thereto. The frame can include an aperture, which can be adapted to removably receive the housing therein. The frame can have a handle attached thereto.

Abstract: An upright surface cleaning apparatus has a front end, a rear end and opposed lateral sides and a surface cleaning head having a dirt inlet and rear wheels. The rear wheels have an axis of rotation and a radius. The surface cleaning apparatus also includes an upper section and an upper section mount. The upper section mount movably mounts the upper section to the surface cleaning head at a position forward of the axis of rotation of the rear wheels. The surface cleaning head is movable between an floor cleaning position and a storage position. The surface cleaning apparatus includes an air flow path extending from the dirt inlet to a clean air outlet with a suction motor and a treatment member provided in the air flow path. The air flow path comprises a hose extending between the surface cleaning head and the upper section.

Abstract: A surface cleaning apparatus may comprise a surface cleaning head having a dirt inlet and an upright section moveably mounted to the surface cleaning head. The upright section may comprise an upper portion and a lower portion. The lower upper portion may be rotatable relative to the lower portion about an axis that intersects a longitudinal axis of at least one of the upper and lower portions. The upright surface cleaning apparatus may also comprise a wheel provided on the upright section.

Abstract: A wet/dry vacuum that is configured to be powered by a DC power source.

Abstract: An extractor cleaning machine includes a base having a distribution nozzle and a suction nozzle, a suction source in fluid communication with the suction nozzle, a recovery tank removably coupled to the base and having a recovery tank handle, an extractor handle pivotally coupled to the base, and a supply tank coupled to the extractor handle for pivotal movement with the extractor handle with respect to the base. At least a portion of the supply tank is positioned above and over the recovery tank in a direction normal to a surface to be cleaned when the extractor handle is in an upright storage position. The supply tank is in fluid communication with the distribution nozzle to supply cleaning fluid to the distribution nozzle. The extractor cleaning machine is liftable by the recovery tank handle when the extractor handle is in the upright storage position.

Abstract: A surface cleaning apparatus is disclosed. The surface cleaning apparatus comprises a dirt inlet, a clean air outlet and a fluid flow path extending between the dirt inlet and the clean air outlet. The surface cleaning apparatus further comprises first and second side by side housings. The first housing comprises a cyclonic cleaning stage in the fluid flow path. The cyclonic cleaning stage comprises a cyclone having a dirt outlet. An associated dirt collection chamber is positioned below the dirt outlet. The dirt collection chamber extends under at least a portion of the first and second housings. The surface cleaning apparatus further comprises a fluid flow motor in the fluid flow path.

Abstract: A vacuum having a container and a cover coupled to the container. The coupled cover and container define an interior space communicating with an inlet and an outlet. A fan is fluidly disposed between the inlet and the outlet and a motor is operable to rotationally drive the fan, wherein rotation of the fan creates a fluid flow from the inlet, through the interior space, and out the outlet. A frame supports the container and a handle coupled to the frame is moveable between a use position and a stowed position.

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 is provided. The vacuum cleaner may include a dust separation device that separates dust and a dust container in which the dust separated in the dust separation device may be stored.

Abstract: A floor cleaning appliance has a brush head in which a brush roller is rotatably mounted and which has at least one suction nozzle which is disposed next to the brush roller. Further, the floor cleaning appliance has a shank which is mounted on the brush head in a pivotable manner and on which a suction unit is disposed, as is a cleaning liquid container for cleaning liquid which can be applied to the floor surface to be cleaned, and a dirty liquid container for accommodating dirty liquid which is sucked up from the floor surface by means of the suction unit, the cleaning liquid container and the dirty liquid container together forming a container assembly which is adapted to be releasably connected to the shank. In order to develop the floor cleaning appliance in such a way that it is easier to handle, it is proposed that the cleaning liquid container is adapted to be releasably connected to the dirty liquid container.

Abstract: A duct cleaning apparatus for cleaning ventilation ducts in a household environment comprises a typical household or light industrial vacuum cleaning having a sealed container, a blower having suction and exhaust, a first flexible hose attached to the suction port and a second flexible hose attached to the exhaust port. The hoses are adjacent and parallel to each other and fixed together using a plurality regularly spaced elastic bands. A blower nozzle and a suction nozzle are adjacent to each other and placed in a duct for cleaning. The blower nozzle directs a jet of air into the vacuum zone of the suction nozzle thereby agitating dirt and debris within the vacuum zone for a more efficient cleaning action.

Abstract: In a dust collector which includes a tank and a main body disposed over the tank, the main body includes a housing and an air intake unit incorporated in the housing. A hook is provided in the housing of the main body, and capable of being manually operated to change a position thereof to one of a retracted position and a pull-out position. The hook in the retracted position is completely embedded in a profile of the housing, and the hook in the pull-out position projects sideward from the housing with a hooked end portion thereof oriented upward. A power tool with its projected portion disposed between the housing and the hook end portion of the hook in the pull-out position can be stably supported on an upper surface of the housing and an upper end of the hook end portion of the hook in the pull-out position.

Abstract: A latch assembly for a wet/dry vacuum cleaner wherein the vacuum has a fan collector cover disposed between the filter cage and water tank of the vacuum cleaner and the drum lid of the vacuum housing the internal vacuum operating components. The filter cage is assembled to the drum lid or power head without tooling or screws while fixing the fan collector cover in place between the filter cage and drum lid. The power head housing is also attached to the bottom cover without screws or other fasteners.

Abstract: The bagger attachment for a leaf blower has a large container that accommodates full size trash bags. The container is a barrel mounted on a wheeled cart and includes a cover that is hinged to the container and securely closed by a C-clamp. The exhaust conduit of a leaf blower is secured in an aperture in the cover. A filter is mounted on the cover to allow air from the vacuum to escape the container, permitting the collected leaves and debris to remain inside the container. A flexible hose is attached to the suction end of the blower for pulling the leaves and debris into the container. A trash bag is placed in the container. The container also includes a pivoting platform inside the barrel for supporting the trash bag thereon. A door is provided for allowing access to the interior of the container.

Abstract: A bare floor cleaner for wet and dry bare floor surfaces comprises a base with wet and dry suction nozzles and a handle pivotally connected to the base. A diverter mounted in the working air conduit between each of the dry suction nozzle and the wet suction nozzle to a recovery tank is movable by movement of the handle between a dry suction position and a wet suction position for selectively at least partially blocking working air flow from the wet suction nozzle and the dry suction nozzle, respectively, to the recovery tank. A shut-off valve is mounted in the recovery tank to prevent fluid communication between a suction source and the recovery tank when the amount of liquid in the recovery tank reaches a first predetermined amount with the handle forward and a second predetermined amount with the handle rearward.

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

Abstract: A steam vacuum cleaner includes a main assembly functioning as a mopstick, and the main assembly has an exhaust duct with a built-in filter formed at a rear face thereof.

Abstract: A wet/dry utility vacuum with a canister, a powerhead assembly with a fan, a shut-off device that prevents the fan from drawing liquids into the fan inlet when a volume of the liquid in the canister exceeds a predetermined volume. The powerhead assembly includes a controller that permits the utility vacuum to be operated in a desired power mode so that the user may employ either an AC power source or a DC power source, such as a battery pack, for example. In some applications, the battery pack may be interchangeable with the battery packs of various cordless tools, including drill/drivers and saws. A tool set and a method for operating a battery-powered tool set are also provided.

Abstract: The present invention relates to a cyclonic vacuum cleaner and, more specifically, to a cyclonic vacuum cleaner having a cyclonic station that maintains a vertical position when the vacuum is maneuvered across a floor space. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

Abstract: A vacuum cleaner comprises an elongated vacuum body, a battery-pack attached to the elongated vacuum body and shoulder straps attached directly to the elongated vacuum body and/or the battery-pack. The battery-pack is engaged with an exterior side face of the elongated vacuum body and is generally positioned between said shoulder straps such that the battery-pack engages a back of a person having each arm extending through a respective one of said shoulder straps.

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

Abstract: A central vacuum cleaner including a central unit provided with a suction joint and an exhaust joint as well as a suction hose. According to the invention, the central vacuum cleaner includes an operating unit (1) having adaptors for attaching the central unit (2) to the operating unit, an exhaust junction (3) for connecting the exhaust joint of the central unit to the operating unit, a filter (4) for filtering the air flow from the exhaust joint and exhaust junction, as well as an outlet port (5) for directing the air flow that travelled through the filter into the air space surrounding the operating unit.

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

Abstract: One version of the portable liquid-evacuation device may include: a container having a top wall, a bottom wall, a sidewall, a liquid inlet, a liquid outlet, and an air outlet, with the air outlet being connectable to a remote vacuum source; a pump positioned in the container, with the pump including a pump outlet; and a conduit extending from the pump outlet to the liquid outlet. In this particular version, the device may be free of both an integral vacuum source and a float-activated liquid-inlet closure. In another version, the device may include: a top wall including a liquid outlet; a pump attached to the top wall, with the pump including a pump inlet and a pump outlet; and a conduit extending from the pump outlet to the liquid outlet. In this version, the device may be free of a container sidewall and a container bottom wall.

Abstract: A dust collector includes: a motor functioning as a driving source; a drive unit for driving a motor; a dust collection fan rotated by the motor; a head section for accommodating the dust collection fan; a switch provided on the head section to control the starting of the motor; a tank section located below the head section, for accommodating dust conveyed by the dust collection fan, the tank section having a connecting portion; a duct hose having one end and the other end, the one end attached to the connecting portion, the other end being detachable from a portion of a power tool; a remote-control transmitter for transmitting a signal; and a remote-control receiver for receiving the signal from the remote-control transmitter to control the drive unit to start or stop the motor.

Abstract: A backpack mounted portable vacuum system is provided having a motor portion and a filter portion. The motor portion is cylindrically shaped and has a first vertical axis. The filter portion is also cylindrically shaped and has a second vertical axis that is horizontally offset from the first vertical axis. The horizontal offset provides for a larger debris container and debris fluid path.

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

Abstract: A motor mounting assembly includes a motor mount member having a first and second generally opposing sides. A generally U-shaped channel is formed in the second side of the motor mount member extending around its periphery to form a lip extending from the first side of the motor mounting member. The U-shaped channel allows slight movement of the motor mount member in a radial direction to absorb vibrations from a motor attached thereto.

Abstract: A simple dust collector includes a housing, a base plate horizontally separating the interior of the housing to form a motor chamber for fix a motor to rotate a fan covered by a fan cover under the base plate. A sucking passageway and a wind-exhausting hole are formed under the fan cover, and a tube joint is connected with the sucking passageway connected to a dust tube. The plurality of wind outlets are formed in a lower section of the housing and sealed by an airy cloth ring to filter dust from wind. The housing has an opening in a lower side and the opening is fitted with a dust bag for dust carried by the wind generated by the fan from the passageway and swirled by centrifugal force caused by rotation of the fan to fall and be collected in the dust bag.

Abstract: A vacuum cleaner assembly comprising a body, a motor disposed within the body and having an output shaft for rotating about axis, a fan coupled to the output shaft for generating a vacuum airflow through an air intake port in the body, and a separator coupled to the output shaft. The separator includes a cup shaped body and a flange extending radially from the open top to an outer periphery. The separator includes a spider, integrated therewithin, having a hub portion surrounding the shaft, and a plurality of helical blades integral with and extending radially from the hub portion to the vanes and integral with the wall. The separator is one piece molded component that may provide for better turbulence characteristics during suction of the air, increase the centrifugal forces to separate the dust and debris from the air flow.

Abstract: The subject invention provides a vacuum unit, a waste container, and a transport mechanism. The vacuum unit applies a vacuum to clean an area to collect debris and the waste container collects waste by a user separate from debris collected by the vacuum unit. The transport mechanism supports the vacuum unit and the waste container thereof for moving the vacuum unit and the waste container across the area while applying the vacuum to collect the debris and while allowing independent filling of the waste container with waste.