Abstract: A cyclonic separator assembly for use with a vacuum cleaner includes a body having an inlet, an outlet, and an inner surface. The cyclonic separator assembly also includes a cyclone unit positioned within the body between the inlet and the outlet. The cyclone unit has an outer perimeter that is spaced apart from the inner surface of the body to define an inlet space therebetween. The cyclone unit includes a plurality of first cyclones in communication with the inlet space and arranged along an outer circle adjacent the outer perimeter. The cyclone unit also includes a plurality of second cyclones in communication with the inlet space and arranged along an inner circle that is spaced apart from the outer circle such that each second cyclone is nested between two adjacent first cyclones. The plurality of first cyclones and the plurality of second cyclones are arranged in parallel.

Abstract: A dual-cyclonic spray chamber apparatus is described. In one or more implementations, the dual-cyclonic spray chamber apparatus includes a first cyclonic spray chamber for receiving an aerosol and conditioning the aerosol to separate a first conditioned portion of the aerosol from a second portion of the aerosol. The first cyclonic spray chamber defines a first chamber interior and comprises an input port in fluid communication with the first chamber interior. The dual-cyclonic spray chamber apparatus also includes a second cyclonic spray chamber coupled with the first cyclonic spray chamber for receiving the first conditioned portion of the aerosol and further conditioning the first conditioned portion of the aerosol. The second cyclonic spray chamber defines a second chamber interior and comprises an output port for expelling a first further conditioned portion of the first conditioned portion of the aerosol from the second chamber interior.

Abstract: A dust separator includes: a partitioner mounted in a shell and including an upper cup part; and a multi-cone unit supported on the upper cup part and including a plurality of cones, each of which has an upper end portion formed with a tangent channel-forming notch and having a circumferentially-extending segment and a tangentially-extending segment. The circumferentially-extending segment has an end face disposed at one side of the tangent channel-forming notch. The tangentially-extending segment has an inner face that confines the other side of the tangent channel-forming notch. The tangentially-extending segment of each of the cones sidewisely joins an end section of the circumferentially-extending segment of an adjacent one of the cones.

Abstract: A cyclonic separation apparatus for a vacuum cleaner, the cyclonic separation apparatus comprising: a first cyclonic separating unit comprising a hollow cylindrical dirt container with a central axis and an air inlet port arranged tangentially to the dirt container; and a second cyclonic separating unit comprising a plurality of cyclones arranged in a circular array about the central axis, wherein each cyclone has an air inlet port and an air outlet port, wherein the second cyclonic separating unit receives air flow downstream from the first cyclonic separating unit and wherein the second cyclonic separating unit has a higher separation efficiency than the first cyclonic separating unit, wherein the second separating unit is located within the dirt container. A vacuum cleaner comprising: a main body, a motor coupled to a fan and the cyclonic separation apparatus.

Abstract: Disclosed is a dust collector provided with a dust-removing unit. The disclosed dust collector comprises: a first centrifugal separating tube defining a first centrifugal area for separating dust from air suctioned in through a first inlet; a first dust box for collecting dust separated in the first centrifugal area; a first detaching portion having a first exhaust pipe unit for exhausting the air from the first centrifugal separating tube and the first dust box to the outside; and a handle unit for maintaining the first centrifugal separating tube and the first dust box coupled together, or for releasing the coupling thereof.

Abstract: Sparation system 250 for separating particles of a first fluid from a flow of a second fluid, wherein the first fluid has a higher density than the second fluid comprises holder means 252 and a separation chamber 254. A lid 256 is provided for separation chamber 254. A plurality of apparatuses 200 for coalescing particles of liquid dispersed in a gas flow are arranged to be disposed in the holder means 252 such that the outlets 210 of the apparatuses are arranged to direct coalesced particles of liquid in a gas flow to enter the separation chamber 254. The separation chamber 254 comprises a gas outlet 258 and a drain 260 arranged to enable particles of solid or liquid separated from gas in the separation chamber to exit the separation chamber 254.

Abstract: A wet gas separator providing superior separation of entrained droplets of liquids in a gas stream when compared with prior art wet gas separators. The wet gas separator of the present invention has a combination of: a gas inlet system with vanes that divide and direct the gas stream very evenly across the cross-sectional area of the inlet portion of the apparatus, a first stage Z-shaped de-entraining device at the upstream side of a wire mesh mist eliminator, and a gas outlet system having cyclones for removal of traces of re-entrained droplets. The apparatus of the present invention has capability of improving processing throughput by 50% when compared with prior art apparatus, with greater de-entrainment efficiency (achieving 99.7% removal of droplets larger than 10 microns in size).

Abstract: A cyclonic separation apparatus for a vacuum cleaner, the cyclonic separation apparatus comprising: a cyclone with a hollow cylindrical body, a hollow frustro-conical body tapering away from the cylindrical body and a longitudinal central axis through the cylindrical body and the frustro-conical body; a discharge nozzle through the frustro-conical body at a longitudinal end; an air inlet port arranged tangentially through a side of the cylindrical body; and an air outlet port through the cylindrical body at an opposite longitudinal end; a dirt container in communication with the cyclone; and a deflector fin arranged within the cyclone to deflect, in use, air flow from the air inlet port in a helical path around the cyclone and towards the discharge nozzle. A vacuum cleaner comprising a motor coupled to a fan and the cyclonic separation apparatus.

Abstract: A cyclonic separator comprising a cyclone chamber defined between an outer wall and a shroud. The shroud comprises an inlet opening through which fluid enters the cyclone chamber, and a plurality of perforations through which fluid exits the cyclone chamber. Fluid within the cyclone chamber is then free to spiral about the shroud and over the inlet opening.

Abstract: A cyclonic separator comprising a ring of cyclone bodies and an outlet duct through which cleansed fluid is discharged from the cyclonic separator, wherein the outlet duct extends between two adjacent cyclone bodies.

Abstract: A hand-holdable vacuum cleaner comprising: a motor coupled to a fan for generating air flow; a battery pack housing at least one rechargeable cell for powering the motor; a body with a handle; a dirty air duct with a dirty air inlet; and a dirt separating means located in a path of the air flow generated by the fan, wherein the dirt separating means comprises: a hollow substantially cylindrical dirt container with a longitudinal central axis arranged transverse the body; and an air inlet port to the dirt container, wherein the air inlet port is in communication with the dirty air duct, wherein the dirt container is rotatingly connected to the body to pivot, with the battery pack, about the central axis between a folded position and an extended position diametrically opposed to the folded position.

Abstract: A cyclonic separating apparatus includes a first cyclonic separating unit including at least one first cyclone and an annular dust collecting chamber, a second cyclonic separating unit located downstream of the first cyclonic separating unit and including at least one second cyclone and a dust collecting chamber, and a third cyclonic separating unit located downstream of the second cyclonic separating unit and including a plurality of third cyclones arranged in parallel and a dust collecting chamber. The number of third cyclones is higher than the number of second cyclones, and the dust collecting chambers of the second and third cyclonic separating units are located inside of the annular dust collecting chamber of the first cyclonic separating unit.

Abstract: A separating apparatus comprises a first cyclonic separating unit and a second cyclonic separating unit located fluidly downstream therefrom and including a plurality of second cyclones arranged fluidly in parallel about a first axis and grouped into at least a first and second set of second cyclones arranged about the first axis. Each cyclone in the first and second sets of second cyclones defines a longitudinal axis and includes a fluid inlet and a fluid outlet. The fluid inlets of the first set of second cyclones are spaced along the first axis from the fluid inlets of the second set of second cyclones, and each outlet of the cyclones in the first and second sets of second cyclones is in fluid communication with an outlet duct, wherein the outlet duct includes a first portion which extends between two of the cyclones of at least the first set of second cyclones.

Abstract: One exemplary embodiment can be a process for separating particulate solids from a gas stream. The process can include regenerating a catalyst in a regenerator, separating particulate solids in first and second cyclone stages, passing the gas stream from the second cyclone stage to an external third stage separator, and passing the gas stream from the external third stage separator to a cyclone recirculator to obtain a clean gas stream.

Abstract: The invention relates to a vane diffuser for separating a gas/liquid/particulate-mixture flow in a gas phase fraction and a liquid/particulate phase fraction, comprising: a distribution chamber holding a plurality of curved vanes and an inlet for the gas/liquid/particulate-mixture wherein the vane diffuser also comprises a cyclone pre-separator located before the distribution chamber. The invention also relates to a method for separating a gas/liquid/particulate-mixture.

Abstract: Sparation system 250 for separating particles of a first fluid from a flow of a second fluid, wherein the first fluid has a higher density than the second fluid comprises holder means 252 and a separation chamber 254. A lid 256 is provided for separation chamber 254. A plurality of apparatuses 200 for coalescing particles of liquid dispersed in a gas flow are arranged to be disposed in the holder means 252 such that the outlets 210 of the apparatuses are arranged to direct coalesced particles of liquid in a gas flow to enter the separation chamber 254. The separation chamber 254 comprises a gas outlet 258 and a drain 260 arranged to enable particles of solid or liquid separated from gas in the separation chamber to exit the separation chamber 254.

Abstract: A handheld cleaning appliance includes a dirty air inlet, a clean air outlet and separating apparatus for separating dirt and dust from an airflow in an airflow path leading from the air inlet to the air outlet. The separating apparatus includes a cyclonic separator having at least one first cyclone and a plurality of second cyclones arranged in parallel with one another and located downstream of the first cyclone. By providing a cyclonic separator having a plurality of second cyclones in parallel, the handheld cleaning appliance is capable of separating fine dirt and dust particles without using barriers such as filters or bags which need maintenance to ensure that performance remains high over a period of time.

Abstract: A cyclonic separation apparatus for a vacuum cleaner, the cyclonic separation apparatus comprising: a first cyclonic separating unit comprising a hollow cylindrical dirt container with a central axis and an air inlet port arranged tangentially to the dirt container; and a second cyclonic separating unit comprising a plurality of cyclones arranged in a circular array about the central axis, wherein each cyclone has an air inlet port and an air outlet port, wherein the second cyclonic separating unit receives air flow downstream from the first cyclonic separating unit and wherein the second cyclonic separating unit has a higher separation efficiency than the first cyclonic separating unit, wherein the second separating unit is located within the dirt container. A vacuum cleaner comprising: a main body, a motor coupled to a fan and the cyclonic separation apparatus.

Abstract: Cyclones for gas-solid separators are described, which are especially applicable for use in a downflowing third stage separator (TSS) for the removal of dust particles, such as solid catalyst fines, from the flue gas streams exiting the catalyst regenerator in fluid catalytic cracking (FCC) processes. A number of important flow characteristics result from the configuration of the cyclones, particularly with respect to the relative axial lengths over which swirl vanes and central hubs of the cyclones extend. These characteristics include a decrease in growth of turbulent eddies that conventionally result from a sudden expansion, in open cross-sectional area, of gas exiting swirl vanes.

Abstract: The present invention relates to a separating apparatus for separating particles from a fluid flow. Particularly, but not exclusively, the invention relates to a domestic vacuum cleaner having such a separating apparatus for removing dust particles from a dust laden airstream. The separating apparatus includes a first cyclonic cleaning stage including at least one cyclone, and an electrostatic filter, wherein the electrostatic filter is in fluid communication with the at least one cyclone via an air passage, at least a portion of the air passage being formed longitudinally through the separating apparatus, wherein at least a portion of the first cyclonic cleaning stage, the electrostatic filter and the air passage are arranged concentrically.

Abstract: The present disclosure generally provides systems and methods for easily replaceable, high efficiency particulate air or HEPA-quality filtration for vacuum systems in an effective, efficient, and cost-sensitive manner. As an example, the HEPA filter cartridge could include a minimizer and connecting structures associated with an exhaust of such a HEPA filter cartridge. The surface area of the minimizer or the connecting structures could be increased or decreased to control, restrict, or otherwise maintain a predetermined, preferable, or allowable amount of backpressure subjected to the HEPA filter cartridge or other suitable performance characteristic.

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

Abstract: A cyclonic separating apparatus for a cleaning appliance includes a plurality of cyclonic separators arranged in series for separating particles from a dirt- and dust-laden airflow, at least three collectors for collecting separated dirt and dust, and a closure member movable between a closed position in which the closure member closes an end of each collector and an open position in which separated dirt and dust can be emptied from the collectors. The ends of the collectors are separated by dividing walls. A seal is provided to seal between the closure member and the dividing walls when the closure member is in the closed position. This common seal between the dividing walls and the closure member is able to seal effectively even if the closure member is misaligned or incorrectly fitted.

Abstract: A gas/solid separation system that can be applied to any type of FCC unit regenerators, consists of a device for separating solid particles contained in a gas stream coming from the regeneration zone of a fluid catalytic cracking (FCC) unit bounded by an inner envelope (3) of cylindrical shape centered about the vertical axis of the regeneration zone, and an outer envelope (1) that has one approximately horizontal wall (15), followed by one curvilinear wall (16), and one approximately vertical wall (17), the set of said walls (15, 16, 17) covering the inner envelope (3) and forming a set of separation chambers (2) radially distributed around the inner envelope (3) in which the gas/solid suspension to be separated circulates. This system makes it possible to obtain, at the same time, very good separation efficiency while minimizing the pressure drop and only requiring a single downstream cyclone stage.

Abstract: The invention relates to a method for the anti-erosion coating of the wall of a cyclone for separating and recovering solid particles driven in a fluid, in which a composite material is deposited in a mould comprising the wall of the cyclone (13) and an adapted form (17) in order to obtain, upon stripping, an impression having a predetermined geometry, at least one means for attaching the composite material to the wall of the cyclone (15), and connected to said wall, is provided before casting in the body of the impression. The invention also relates to an anti-erosion coating for a cyclone inner wall that includes a composite material provided in the form of a continuous layer on the inner wall of the cyclone, and at least one attachment means connected to the wall of said cyclone in the body of the coating, particularly with a smooth exposed surface. The invention also relates to a cyclone including such a coating and to the use of said coating.

Abstract: Fine, solid particles in a gas stream, especially fly ash particles in the hot gas stream from a coal/coke-utilizing synthesis gas unit, are agglomerated by passage through a gas flow matrix element having a body with confined gas flow channels which bring the particles into close proximity to one another in an environment of low turbulence; a rough surface on the gas flow passages provides surface induction to promote agglomeration of the particles. The larger, agglomerated particles may then be removed from the gas stream by inertial separators such as cyclones.

Abstract: A surface treating appliance includes a first cyclonic separating unit including at least one first cyclone, and a second cyclonic separating unit located downstream from the first cyclonic separating unit and including a plurality of second cyclones arranged in parallel. The plurality of second cyclones is divided into at least a first set of second cyclones arranged about an axis, and a second set of second cyclones, the first set of second cyclones extending about the second set of second cyclones. Each second cyclone has a longitudinal axis, with the longitudinal axes of the first set of second cyclones being arranged at a first angle to said axis, and the longitudinal axes of the second set of second cyclones being arranged at a second angle to said axis, and wherein the first angle is greater than the second angle.

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

Abstract: A surface treating appliance includes a first cyclonic separating unit including at least one first cyclone, and a second cyclonic separating unit located downstream from the first cyclonic separating unit and including a plurality of second cyclones arranged in parallel. The plurality of second cyclones is divided into at least a first set of second cyclones arranged about an axis, a second set of second cyclones arranged about the axis, and a third set of second cyclones, the first set of second cyclones extending about the second set of second cyclones, and the second set of second cyclones extending about the third set of second cyclones. Each second cyclone has a longitudinal axis, with the respective longitudinal axes of each of the first, second and third set of second cyclones being arranged at different angles to said axis.

Abstract: A surface treating appliance includes a first cyclonic separating unit including a plurality of first cyclones arranged in parallel about an axis, and a second cyclonic separating unit located downstream from the first cyclonic separating unit and including a plurality of second cyclones arranged in parallel. The plurality of second cyclones is divided into at least a first set of second cyclones arranged about the axis and a second set of second cyclones. Each of the first cyclones and the second cyclones has a longitudinal axis. The longitudinal axes of the first cyclones are arranged at a first orientation to said axis, the longitudinal axes of the first set of second cyclones are arranged at said first orientation to said axis, and the longitudinal axes of the second set of second cyclones are arranged at a second orientation, different from the first orientation, to said axis.

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

Abstract: A surface treating appliance includes first, second and third cyclonic separating units. The first cyclonic separating unit includes a perforated shroud having a lower wall and a side wall, and a first dust collector extending beneath the lower wall of the shroud. The second cyclonic separating unit includes a plurality of second cyclones arranged in parallel, and a second dust collector located beneath the dust outlets of the second cyclones and having an upper extremity lying 10 mm beneath the lowest of the dust outlets. The third cyclonic separating unit includes a plurality of third cyclones arranged in parallel, and a third dust collector located beneath the dust outlets of the third cyclones and having an upper extremity lying 10 mm beneath the lowest of the dust outlets. The volume of the second dust collector is greater than the volume of each of the first and third dust collectors.

Abstract: A handheld cleaning appliance includes a dirty air inlet, a clean air outlet and separating apparatus for separating dirt and dust from an airflow in an airflow path leading from the air inlet to the air outlet. The separating apparatus includes a cyclonic separator having at least one first cyclone and a plurality of second cyclones arranged in parallel with one another and located downstream of the first cyclone. By providing a cyclonic separator having a plurality of second cyclones in parallel, the handheld cleaning appliance is capable of separating fine dirt and dust particles without using barriers such as filters or bags which need maintenance to ensure that performance remains high over a period of time.

Abstract: A filter element has of a filter medium (10) folded in a zig-zag manner and designed in a tubular shape. End plates (11, 12) are arranged on the filter medium end faces. End plate (12) has a concentric opening as well as a first annular ring (14) and a second annular ring (15), and a sealing groove (16) arranged between the rings. A reinforcement plate (17) is arranged at the end plate and has an annular surface (23) extending in axial direction across folds of the filter element.

Abstract: Gas-solids separator comprises a tubular housing, an inlet for introducing a gas-solids mixture at one end of said housing, which inlet is executed such that it imparts a swirl to the gas-solids mixture, a solids outlet opening at the opposite end of said housing, and a co-axially positioned tubular gas outlet conduit placed at an end of said housing, which separator further comprises a vortex stabilizer, comprising a pin placed on a stabilizing plate, in which separator the pin runs along the axis of the tubular housing and in which a passageway is provided through the stabilizer plate and the pin.

Abstract: A total water desalination system is disclosed that includes a centrifugal separator, a feed-water device controlled by a relative humidity sensor, an air pump, an evaporator core, an air dryer, a non-particulate coalescent air filter, and an air flow/brine gravity separating tank. The evaporator core typically contains multiple conical processing chambers and introduces a physical dynamic that increases the surface area of the water, using low-level thermal energy to vaporize micron-size water particles into a gaseous state, suitable for reconstitution into desalinated (or lower salt content) water. The evaporator core operation principles are based on creating a highly dynamic environment that separates impurities from sea, brackish, river, or turbid water; evaporating the water into a residual clean vapor, and returning the vapor to water composition with high efficiency.

Abstract: The present invention relates to a separating apparatus for separating particles from a fluid flow. Particularly, but not exclusively, the invention relates to a vacuum cleaner having such a separating apparatus for removing dust particles from a dust laden airstream. The separating apparatus includes a first cyclonic cleaning stage, a second cyclonic cleaning stage arranged downstream from the first cyclonic cleaning stage, and an elongate filter arranged downstream from the second cyclonic cleaning stage, wherein the filter is at least partially surrounded by the first cyclonic cleaning stage.

Abstract: A handheld cleaning appliance includes a dirty air inlet, a clean air outlet and separating apparatus for separating dirt and dust from an airflow in an airflow path leading from the air inlet to the air outlet. The separating apparatus includes a cyclonic separator having at least one first cyclone and a plurality of second cyclones arranged in parallel with one another and located downstream of the first cyclone. By providing a cyclonic separator having a plurality of second cyclones in parallel, the handheld cleaning appliance is capable of separating fine dirt and dust particles without using barriers such as filters or bags which need maintenance to ensure that performance remains high over a period of time.

Abstract: Embodiments of recirculating filtration and exhaust systems for material processing systems are disclosed herein. A material processing system configured in accordance with one embodiment includes an enclosure for processing a workpiece, the enclosure having an enclosure inlet and an enclosure outlet. The system also includes a first flow path fluidly coupled to the enclosure inlet and the enclosure outlet, and a first filtration assembly in the first flow path. The first filtration assembly draws airflow from the enclosure and returns the airflow to the enclosure. The system further includes a second flow path in fluid communication with the first flow path upstream from the enclosure inlet, and a second filtration assembly in the second flow path. The second filtration assembly draws airflow from the first flow path and returns airflow to the first flow path.

Abstract: The present invention relates to a separating apparatus for separating particles from a fluid flow. Particularly, but not exclusively, the invention relates to a vacuum cleaner having such a separating apparatus for removing dust particles from a dust laden airstream. The separating apparatus includes a first cyclonic cleaning stage, a second cyclonic cleaning stage arranged downstream from the first cyclonic cleaning stage, and an elongate filter arranged downstream from the second cyclonic cleaning stage, wherein the filter is at least partially surrounded by the first cyclonic cleaning stage.

Abstract: Cyclonic separating apparatus for a cleaning appliance such as a vacuum cleaner has a longitudinal axis, an upstream cyclonic separator and a downstream cyclone assembly. The downstream cyclone assembly comprises a plurality of cyclones arranged in parallel with one another. The downstream cyclones are arranged in a first set in which each cyclone has a longitudinal axis inclined at a first angle (?) to the longitudinal axis of the cyclonic separating apparatus and a second set, in which each cyclone has a longitudinal axis inclined at a second angle (?) to the longitudinal axis of the cyclonic separating apparatus. The second angle (?) is greater than the first angle (?). The invention allows the downstream cyclone assembly to be compactly packaged.

Abstract: A separator for separating a liquid-gas flow into a liquid and a compressed gas includes a housing that defines an inner space and that is adapted to contain the full pressure of the compressed gas. The housing includes a liquid-gas inlet, a liquid outlet, and a gas outlet. A first stage separator is positioned to receive the liquid-gas flow from the inlet. The first stage separator is operable to separate a first portion of the liquid from the liquid-gas flow. A second stage separator includes a swirl vane separator and is positioned to receive the liquid-gas flow from the first stage separator and is operable to separate a second portion of the liquid from the liquid-gas flow. A third stage separator is positioned to receive the liquid-gas flow from the swirl vane separator and is operable to separate a third portion of the liquid from the liquid-gas flow. The first stage separator, the second stage separator, and the third stage separator are completely contained within the housing.

Abstract: A separating apparatus for a cleaning appliance, such as a vacuum cleaner, includes a separator for separating dirt and dust from a fluid flow and a collecting chamber arranged to collect dirt and dust separated by the separator. A first catch for opening a closure member on the collecting chamber is provided, with first releasing means for releasing this catch. There is also provided a second catch for releasing the collecting chamber from the separator and second releasing means for releasing the second catch. The second releasing means is inaccessible when the first catch is engaged. A cover associated with the first releasing means obscures the second releasing means until the first catch has been released. The invention prevents the user from accidentally releasing the collecting chamber from the separator when it was the user's intention simply to empty dirt and dust from the collecting chamber.

Abstract: A cyclone separating device of a cleaner includes an upstream cyclone separating device and a downstream cyclone separating device. The upstream separating device communicates with the downstream cyclone separating device through a gas passage. The upstream cyclone separating device has a first cyclone barrel, while the downstream cyclone separating device has at least one second cyclone barrel. The downstream cyclone separating device is lying and set above the upstream separating device. The size of the cyclone separating device of the present invention is small in radial direction. The height of the cyclone separating device which is the sum of the height of the upstream cyclone separating device plus the height of the lying downstream cyclone separating device lying down is low.

Abstract: Apparatus for separation of particles from a fluid stream entraining said particles comprises an inlet zone, a centrifugal separation zone, particles collection means and exhaust means, in which the inlet and separation zones are in communication via a transition zone for inducing vortical flow in the fluid stream, the transition zone having a diameter greater than the diameter of the inlet zone and comprising means defining an outlet port to the separation zone, an entry port being formed in the transition zone upstream of the baffle means, the entry and outlet ports being mutually arranged to minimise fluid perturbation in the fluid stream in use.

Abstract: Disclosed is multi-flow filter cartridge assembly that includes an elongated housing that has axially opposed proximal and distal ends and defines an interior cavity and first, second and third flow paths which extend from the proximal end of the housing to the distal end. The cartridge assembly also includes first, second and third filter elements. The first filter element is disposed within the interior cavity of the housing and conditions fluid that traverses the first flow path from a first inlet port to a first outlet port. The second filter element is disposed within the interior cavity of the housing and conditions fluid that traverses the second flow path from a second inlet port to a second outlet port. Lastly, the third filter element is also disposed within the interior cavity of the housing and conditions fluid that traverses the third flow path from a third inlet port to a third outlet port.

Abstract: Process to separate particles from a particles-containing gas stream, by subjecting the particles-containing gas stream to a centrifugal separation step, wherein the particles-containing gas stream is separated in a gas rich flow and a particles-rich flow and wherein the particles-rich flow is cooled from a temperature in the range from 600 to 800° C. to a temperature in the range from 200 to 450° C. before it is subjected to a second separation step, wherein particles are separated from the particles-rich flow.

Abstract: A vacuum cleaner including multiple cleaning stages comprises a first cyclonic stage and a second cyclonic stage, which is spaced from the first cyclonic stage. A housing defines a first particle collector that communicates with the first cyclonic stage. The first particle collector includes an opening. A removable lid covers the first particle collector opening. A second particle collector in communication with the second cyclonic stage is removable with the lid. A suction motor is supported by the vacuum cleaner. The suction motor establishes and maintains a flow of air through the vacuum cleaner.

Abstract: A cyclone silencer of cleaner includes an outlet pipe(2) partially inserted into a cyclone cylinder (1). Ribs (3) are arranged on the lower edge of said outlet pipe (2) and extend downwardly to reduce noise.

Abstract: A labyrinth box can include a housing that has an open end, a closed end, and defines two cavities. A cover is configured to cover the opening and can include a divider that extends into one of the two cavities of the housing to define first and second chamber passageways in that cavity. An inlet port is located in the bottom closed end of one of the cavities and an outlet port is located in the other of the cavities. The surfaces that define the chambers can be configured such that the box can be oriented in different positions and still work, namely, in horizontal and vertical positions. When in the vertical position, the divider can include surfaces that are angled off of the horizontal plane and towards the inlet port such that water and debris will return to the inlet port via gravity.