Abstract: A cyclonic separation apparatus comprises a plurality of series-connected separation stages 50,51, each comprising a plurality of cyclone separators 16/23 connected in parallel and disposed in a generally annular arrangement about a main vertical axis of the apparatus, with their respective longitudinal cyclone axes extending parallel to the main axis. The successive separation stages 50,51 in the direction of fluid flow are disposed radially inwardly of each other with respect to the main axis of the apparatus and are also vertically staggered upwardly, so that the outlet 20 of one separation stage 50 leads directly into the inlet 22 of the next downstream stage 51. The multi-stage, series connected cyclone separators of the apparatus provide a high separation efficiency, yet the annular arrangement of the stages 50,51 makes the apparatus compact and enables the apparatus to be utilized in a vacuum cleaner.

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: A cyclonic separation apparatus comprising at least two series connected separation stages and a receptacle for collecting material separated by the separation stages is described. The first stage comprises a first cyclone separator, and the second stage comprises a plurality of parallel connected second cyclone separators. The first and second separation stages are connected by at least one transfer duct which extends through the receptacle and transfers fluid that has been partly cleaned by the first separation stage to the second separation stage.

Abstract: Impact type gas-particle separation is applied to ultra-fine particles by judiciously altering the aerodynamic drag on the particles with respect to their inertia by operation at sub-atmospheric pressures. An impact separator has a housing having a channel in which particles flow in a fluid such as air, a purified gas or mixtures thereof. A plurality of blades are placed in the channel for affecting the motion of the particles and the fluid with respect to each other. A second channel branches from the first channel to receive particles diverted and separated from the flow of the fluid in the first channel. A flow mechanism creates a sub-atmospheric pressure in the channel.

Abstract: A dust separating apparatus of a vacuum cleaner is disclosed. The dust separating apparatus includes a body unit to separate dust from air and to store the dust separated from the air, a cover unit detachably coupled with the body unit and having an air discharging part with an inlet projected into the body unit, and a horizontal movement-permitting part formed in the body unit to prevent the body unit from colliding with the air discharging part when one of the body unit and the cover unit is moved in a horizontal direction with respect to the other.

Abstract: Object of the present invention is to provide a dust collecting device (100) for a vacuum cleaner of which dust collecting performance is improved. For this, the dust collecting of the present invention includes two parallel primary cyclones (210, 220) for separating dust by a cyclone principle, and two secondary cyclones (250, 260) for separating dust introduced thereto from the primary cyclones (210, 220) by the cyclone principle, and a dust container (110) for storing dust separated by the primary cyclones (210, 220) and the secondary cyclones (250, 260), wherein the two primary cyclones (210, 220) surround the two secondary cyclones (250, 260), respectively.

Abstract: Object of the present invention is to provide a dust collecting device (10) for a vacuum cleaner of the dust collecting performance is improved. For this, a dust collecting device (100) for a vacuum cleaner is provided, including a primary cyclone unit (200) for separating dust by a cyclone principle, a secondary cyclone unit (300) around the primary cyclone unit (200) for separating dust from air discharged from the primary cyclone unit (200) by the cyclone principle, a primary dust container (111) for storing the dust separated at the primary cyclone unit (200), and a secondary dust container (112) in the primary dust container (111) for storing the dust separated at the secondary cyclone unit (300).

Abstract: A cleaning appliance includes a main body, a filter and an interlock. The main body includes an airflow generator, a separating apparatus separating dirt and dust from an airflow, and a flowpath between the separating apparatus and the airflow generator delimited by a wall. The interlock has a first part located on the filter and a second part located on the main body outside the flowpath, arranged to communicate remotely when the filter is correctly located in the pre-determined position. The interlock is arranged selectively to allow or prevent operation of the airflow generator depending upon the relative separation between the first and second parts. By providing an interlock which has first and second parts which communicate remotely, the second part located on the main body can be isolated from the airflow path so that the second part is not subject to dirt and dust carried by the airflow.

Abstract: A surface cleaning apparatus comprising a dirt inlet, a handle, a first cyclonic cleaning stage, a second cyclonic cleaning stage comprising a plurality of cyclones in parallel and a plurality of dirt collection chambers that are emptied concurrently, and the first cleaning stage is removed from the second cleaning stage prior to emptying the plurality of dirt collection chambers and, an air flow motor.

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: Object of the present invention is to provide a dust collecting device (100) for a vacuum cleaner of which dust collecting performance is improved. For this, the dust collecting device (100) includes a primary cyclone unit (110) having two parallel primary cyclones (111,112) for separating dust form air introduced therein by a cyclone principle, and a secondary cyclone (120) unit at a downstream of the primary cyclones (111,112) for cleaning the air again by the cyclone principle.

Abstract: A portable appliance comprises a dirt inlet, first and second cyclonic stages wherein each cyclonic stage comprises a plurality of cyclones in parallel and the second cyclonic stage is downstream from the first cyclonic stage and a fluid flow motor.

Abstract: A vacuum cleaner includes a body having a nozzle assembly with a suction inlet and a control assembly including a control stalk. A dirt collection vessel is carried on the body. The dirt collection vessel includes a toroidal cyclone. The toroidal cyclone has an inlet port, a clean air outlet port and a particle outlet provided in a wall of the toroidal cyclone between the inlet and outlet port. A cork screw baffle is received in the toroidal cyclone. The cork screw baffle defines a spiraling air path through the toroidal cyclone. A suction generator, carried on the body, draws the air stream through the dirt collection vessel.

Abstract: A dust separating apparatus of a vacuum cleaner, includes a housing, a first cyclone separator integrated within the housing, and second cyclone separators arranged around the first cyclone separator, wherein the second cyclone separators are removably mounted into the housing. The first and second cyclone separators respectively have a separate dust receiving cavity and separate dust collecting chambers.

Abstract: An inertial separator comprising a tubular body, the tubular body comprises a composition comprising a polymer selected from the group consisting of a cyclic olefin polymer and a cyclic olefin copolymer, and, a polyhedral oligomeric silsesquioxane and/or a flame retardant and/or an anti-static additive, is disclosed.

Abstract: A cyclone dust collector includes a cyclone body including a first cyclone chamber to centrifugally separate dust from drawn-in air for a first time, a plurality of second cyclone chambers to centrifugally separate dust from the drawn-in air for a second time, and a plurality of discharge ports to cause the drawn-in air to be discharged from the plurality of second cyclone chambers; an upper cover to cover an upper portion of the cyclone body, the upper cover having an inner wall facing the plurality of discharge ports; and a noise reduction part disposed between the plurality of discharge ports and the inner wall of the upper cover, to reduce noise generated inside the upper cover by the air discharged through the plurality of discharge ports. Therefore, it is possible to reduce noise generated inside the upper cover of the cyclone dust collector.

Abstract: A multi-cyclone dust-collecting apparatus for a vacuum cleaner mounted in a main cleaner body to separate dust from air flowing from a suction port body and collect the dust separated from the air, the apparatus including a dust-separating unit including a primary cyclone unit to separate large dust particles contained in the air flowing from the suction port body, and a secondary cyclone unit that is disposed inside the primary cyclone unit and that tapers downwards; and a dust-collecting unit detachably mounted in a lower portion of the dust-separating unit, the dust-collecting unit including a first dust-collecting chamber to collect the large dust particles discharged from the primary cyclone unit, and a second dust-collecting chamber disposed inside the first dust-collecting chamber to collect fine dust particles discharged from the secondary cyclone unit. The first dust-collecting chamber may be greater in volume than the second dust-collecting chamber.

Abstract: A cyclone dust-collecting apparatus is provided. The dust-collecting apparatus is detachably mounted in a main cleaner body of a vacuum cleaner and disposed on a suction flow path extending from a suction port body to a suction source. The dust-collecting apparatus includes a body having an opened lower portion; at least one cyclone unit disposed to one side in the body to separate dust from air flowing into the body and discharge air from which the dust has been separated; and a bottom cover to open or close the lower portion of the body. The body has an inflow pipe penetrating the body from a rear portion of the body and connected to the cyclone unit and the inflow pipe has an inclined top surface.

Abstract: A cyclonic cleaning stage for a, e.g., surface cleaning apparatus is provided. The cyclonic cleaning stage comprises a plurality of cyclones, which are integrally molded as a single body. Each cyclone has a cyclone body having an upper end, a lower end, a cyclone inlet, and a cyclone outlet. Each cyclone inlet has a top. A separately molded upper cover is mounted to the top of the single body at the upper ends. A separately molded lower cover is mounted on the single body at the lower ends of the cyclones.

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 two or 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 expandable seal is provided between the closure member and the dividing walls to seal when the closure member is in the closed position. The expandable seal is able to seal effectively even if the closure member is misaligned, incorrectly fitted or if dirt and dust is present between the surfaces to be sealed.

Abstract: A cyclonic separating apparatus includes a first cyclonic separating unit including at least one first cyclone, a second cyclonic separating unit located downstream of the first cyclonic separating unit and including a plurality of second cyclones arranged in parallel, and a third cyclonic separating unit located downstream of the second cyclonic separating unit and including a plurality of third cyclones arranged in parallel. The number of second cyclones is higher than the number of first cyclones and the number of third cyclones is higher than the number of second cyclones, providing an apparatus which achieves a higher separation efficiency than known separation apparatus.

Abstract: A dust collecting apparatus for separating particles from an airflow comprises at least a first cyclonic separator for removing larger particles from the airflow and a plurality of second cyclonic separators, arranged in parallel and in tandem with one another, for removing smaller particles.

Abstract: A particle separator and method for removing particles from an exhaust gas stream of an internal combustion engine. Differing flow regions having different flow conditions are formed in the particle separator. The differing flow regions are configured such that essentially particles having different, defined sizes and/or masses are adapted to be separated out of the exhaust gas stream in the differing flow regions. The exhaust gas stream is adapted to flow through at least portions of the particle separator.

Abstract: Cyclone collector including a primary cyclone (1) having a first inlet (14) for drawing external air, and a first outlet (14) for discharging air, a secondary cyclone (3) connected to the primary cyclone (1), and flow guide means (200) over the first outlet for preventing a flow direction of the air discharged from the first outlet (14) from turning sharply.

Abstract: A cyclonic separating apparatus includes a first cyclonic separating unit including at least one first cyclone, a second cyclonic separating unit located downstream of the first cyclonic separating unit and including at least one second cyclone, and a third cyclonic separating unit located downstream of the second cyclonic separating unit and including at least one third cyclone. The separation efficiency of the second cyclonic separating unit is substantially the same as the separation efficiency of either the first cyclonic separating unit or the third separating unit, providing an apparatus which achieves a higher separation efficiency than known separation apparatus.

Abstract: A cyclone dust collector is provided, including a cyclone unit that includes a first cyclone unit including a cyclone chamber to separate dust from dust-laden air, and a second cyclone unit, which is mounted in the first cyclone unit, including a plurality of cones to separate fine dust, and a cover unit that is formed on the cyclone unit to gather air discharged from the second cyclone unit and guide the air outside the cyclone dust collector, wherein the first cyclone unit includes a blocking plate at a lower part of the first cyclone unit, the blocking plate including a plurality of holes that are in fluid communication with the plurality of cones.

Abstract: A dust collecting unit of a vacuum cleaner has a dust collecting body including a first dust separating unit for separating dust from air and a first dust storing unit for storing the separated dust. A cover member is coupled to the dust collecting body and a second dust separating unit for further separating dust from the air is formed in the cover member. A second dust storing unit for storing dust separated by the second dust separating unit is formed in the dust collecting body. A dust passage for guiding the dust separated by the second dust separating unit to the second dust storing unit is also provided on the dust collecting body.

Abstract: A multi cyclone collector with an improved structure is disclosed for providing the highest number of second cyclone collector (300) by disposing a plurality of second cyclone collector (300) in a non circular shape (400) arrangement along a first cyclone collector, thereby increasing collecting efficiency.

Abstract: A portable vacuum cleaner having at least first and second cleaning stages wherein the first cleaning stage has a dirt collection member and the second cleaning stage comprises a plurality of cyclones and at least one dirt collection chamber, wherein the first and second cleaning stages are emptied separately. One cleaning stage can be removably mounted from the vacuum cleaner without removing another cleaning stage.

Abstract: A multi-cyclone dust separating apparatus includes a cyclone unit and a separable filter assembly adapted to be disposed at least partially in a discharge path of the cyclone unit. The cyclone unit includes a main cyclone, a secondary cyclone adapted to be disposed at substantially a same plane as the main cyclone, and a dust collecting casing adapted to substantially surround the main cyclone and the secondary cyclone. The dust collecting casing includes a dust chamber to collect dust separated at the main cyclone and the secondary cyclone.

Abstract: A cyclone separating apparatus for a vacuum cleaner includes a first cyclone with an air entrance disposed on a lower portion of the first cyclone and an air exit disposed at an upper portion of the first cyclone; a first contaminants chamber substantially enclosing the first cyclone to collect contaminants discharged from the first cyclone; a plurality of second cyclones above the first cyclone, the plurality of second cyclones being substantially perpendicular to a center axis of the first cyclone; and a second contaminants chamber disposed outside the first contaminants chamber to collect contaminants discharged from the plurality of second cyclones.

Abstract: A dust-collecting apparatus of a vacuum cleaner includes a first dust-collecting unit, a second dust-collecting unit, and a dust receptacle. The second dust-collecting unit is adapted to be mounted to one side of the first dust-collecting unit. The dust receptacle is adapted to be mounted on a lower part of both the first and the second dust-collecting units, and the dust receptacle is adapted to store dust separated by the first and the second dust-collecting units. The first and second dust-collecting units are arranged so that air discharged from the first dust-collecting unit enters the second dust-collecting unit.

Abstract: A compact multi-cyclone dust separating is disclosed. The multi-cyclone dust separating apparatus includes a first cyclone chamber that separates dust-laden air drawn from outside, a second cyclone chamber that is disposed in the first cyclone chamber, and that separates dust-laden air drawn from the first cyclone chamber, and a third cyclone chamber that is disposed around a periphery of the first cyclone chamber, and that separates dust-laden air drawn from the second cyclone chamber.

Abstract: A dust collector cup working in the principle of fall centrifugal separation, consists of cup body (13), outlet (3) on the cup body (13), inlet (1) tangential to the circumferential wall of the cup body (13), and a separator settled in the cup body (13). The separator is composed of outlet tube (9), inlet (6) on the wall of the outlet tube (9), and the isolating shield (7) under the inlet (6) of the outlet tube (9), with the outlet tube (9) linked to the outlet (3) of the cup body (13). The fall between the horizontal positions of the lower end of inlet of the cup body (13) and the upper end of the inlet (6) of the outlet tube (9) is 0-140 mm.

Abstract: A dust separating apparatus of a vacuum cleaner is disclosed. The dust separating apparatus includes a body unit to separate dust from air and to store the dust separated from the air, a cover unit detachably coupled with the body unit and having an air discharging part with an inlet projected into the body unit, and a horizontal movement-permitting part formed in the body unit to prevent the body unit from colliding with the air discharging part when one of the body unit and the cover unit is moved in a horizontal direction with respect to the other.

Abstract: A multi cyclone dust-separating apparatus is disclosed that includes a cyclone unit having a first cyclone, a plurality of second cyclones, and a dust collecting unit. The first cyclone is disposed so that a longitudinal axis thereof is substantially vertically arranged. The first cyclone separates relatively large dust or dirt from air drawn in through a first air inflow part. Each of the second cyclones is disposed so that longitudinal axes thereof are substantially vertically arranged. Each of the second cyclones has a second air inflow part to communicate with the first cyclone and an air discharging part to discharge the air. The second cyclones separate relatively minute dust or dirt from the air drawn in through the second air inflow part. The dust collecting unit is disposed below the cyclone unit to collect and store the dust or dirt separated from the air by the cyclone unit.

Abstract: The multi-cyclone dust separating apparatus includes a first cyclone unit having a body and including an air inlet disposed at a side of the body, a first cyclone chamber adapted to form a first space for whirling air from the air inlet to separate dust form the air; a second cyclone unit adapted to be detachably disposed at the body of the first cyclone unit and including, a second air inlet to draw the air from the first cyclone chamber, at least one cyclone for whirling the air from the first cyclone chamber to provide a second separation of dust from the air; and a dust bin adapted to be detachably mounted to at least one of the second cyclone unit and the first cyclone unit.

Abstract: Object of the present invention is to provide a dust collecting device (10) for a vacuum cleaner of which dust collecting performance is improved. The dust collecting device (100) of the present invention includes a primary cyclone unit (200) having two primary cyclones (210, 220), arranged in parallel, for separating dust by a cyclone principle, a secondary cyclone unit (300) having at least two secondary cyclones (310, 320), which receives air from the primary cyclones (210, 220) on an outer side of the primary cyclones (210, 220) for separating dust by the cyclone principle, and a dust container (110) having the primary cyclone unit (200) and the secondary cyclone unit (300) mounted thereto, and a primary dust collecting space for storing the dust separated at the primary cyclone unit (200), and at least one secondary dust collecting space for storing the dust separated at the secondary cyclone unit (300) formed therein.

Abstract: A dust collecting apparatus for separating particles from an airflow comprises at least a first cyclonic separator for removing larger particles from the airflow and a plurality of second cyclonic separators, arranged in parallel and in tandem with one another, for removing smaller particles.

Abstract: A cyclone separating apparatus for a vacuum cleaner includes a first cyclone having an inclined part and adapted for separating dust and air; a first dust chamber adapted to be disposed substantially around the first cyclone and to be in fluid communication with the first cyclone; at least one second cyclone for separating dust and air adapted to be disposed above the first cyclone and to be in fluid communication with the first cyclone; and a second dust chamber adapted to be in disposed within the first cyclone and to be in fluid communication with the second cyclone.

Abstract: The multi-cyclone dust separating apparatus includes a first cyclone unit including a first outer tub with a first air inlet and a cylindrical element with a first air outlet, and whirling air from the first air inlet to separate dust therefrom, the cylindrical element being disposed in the first outer tub to form a first cyclone chamber, along with the first outer tub; a second cyclone unit including a plurality of cyclones, each having a second air inlet for drawing in dust-laden air from the first cyclone chamber, to provide a second dust separation; and a dust bin including a first dust collecting chamber for collecting the dust separated by the first cyclone unit and a plurality of second dust collecting chambers for collecting the dust separated by the second cyclone unit.

Abstract: A cyclone collector is provided that includes a body having an inlet that draws air therein, a cyclone provided inside of the body, and an outlet that discharges air from the body. The outlet includes a passage portion having a passage and a closed portion under the passage portion.

Abstract: Provided is a cyclonic dust collection unit for conveniently removing a foreign object filtered therein. The cyclonic dust collection unit includes: a first filtering chamber for filtering a first foreign object having a first size using a cyclone airflow; a second filtering chamber for filtering a second foreign object having a second size smaller than the first size of the first foreign object, the second foreign object being contained in the air passed through the first filtering chamber; a foreign object storing chamber for storing the first and/or second foreign object(s) separated through the first and second filtering chambers; a filter disposed in the first filtering chamber, for separating the first foreign object on an outer surface thereof; and a cutaway hole formed in a longitudinal direction thereof.

Abstract: A separating apparatus includes a shroud that has a wall having a multiplicity of through-holes. At least one baffle is provided on the inner surface of the wall of the shroud. The baffle directs the airflow entering the shroud towards the central region of the shroud, thereby reducing conflicting air currents. The baffle may also be used to assist correct assembly of the separating apparatus. The baffle may be arranged to locate with a member provided on another component of the separating apparatus, such as a cyclone assembly, in order to locate that assembly in a predetermined orientation.

Abstract: A dust separating apparatus of a vacuum cleaner, includes a housing, a first cyclone separator integrated within the housing, and second cyclone separators arranged around the first cyclone separator, wherein the second cyclone separators are removably mounted into the housing. The first and second cyclone separators respectively have a separate dust receiving cavity and separate dust collecting chambers.

Abstract: A filter system for an air cleaner is provided according to an embodiment of the invention. The filter system includes a filter frame adapted to fit within the air cleaner and a filter assembly configured to fit to the frame. The filter assembly includes a top aperture and one or more filter panels. A filter panel of the one or more filter panels includes one or more panel edges and one or more interlocking tabs formed on the one or more panel edges.

Abstract: A cyclone dust collecting apparatus for a vacuum cleaner includes a first cyclone, a second cyclone disposed inside the first cyclone, and an air guiding member to form an entrance of the second cyclone through which semi-clean air discharged from the first cyclone enters. The air guiding member includes a grill member to have a plurality of holes, and a plurality of guiding blades disposed inside the grill member.

Abstract: A cyclone dust separating apparatus for separating dust from external air drawn in thereto and discharging the separated dust, comprises at least one first cyclone body having a tubular shape and forming a first cyclone chamber where the external air is rotated; and at least one second cyclone body forming a second cyclone chamber where the air discharged from the first cyclone chamber is rotated again to separate dust, wherein the external air is drawn in through a lower end of the first cyclone chamber and discharged through an upper end of the first cyclone chamber, and the air discharged from the first cyclone chamber is drawn in through an upper end of the second cyclone chamber and discharged through an upper end of the second cyclone chamber.

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 vane having a profile capable of formation by pultrusion is disclosed. The vane can be used for removing liquids entrained in a gas stream. The vane includes a main curved section oriented generally parallel to the gas stream and curved to reorient the gas stream, the main curved section causing a first and a second change of direction of the gas stream; a first air pocket formed on a first side of the main curved section, the first air pocket sized and oriented into the gas stream where the gas stream first changes direction; and a second air pocket formed on a second side of the main curved section, the second air pocket smaller than the first air pocket and sized and oriented into the gas stream where the gas stream makes the second direction change.