Abstract: A drive for a helicopter, has at least one rotary member, a casing housing the rotary member and defining a compartment containing a lubricating fluid and air, and separating device for separating the lubricating fluid from the air and retaining the lubricating fluid inside the casing in the presence of airflow outwards of the casing and produced by pressure gradients between the compartment and the outside. The separating device is angularly integral with the rotary member to centrifugally separate the lubricating fluid from the air radially with respect to the axis.

Abstract: A low-profile vapor-liquid separator, such as a steam-water separator is described having an inlet opening for receiving a flow of a vapor-liquid mixture and an outlet opening for exhausting the flow of a vapor-liquid mixture after removal of the liquid. A passageway that extending longitudinally between the inlet opening and the outlet opening has a plurality of spinner blades that rotate the liquid to a slot in the wall for removal. The separator has an unobstructed passageway with few slots that increases rotation and centrifugal separation. Due to its efficiency it may be made much smaller than predecessor separators.

Abstract: In an extraction device comprising a suction apparatus (16) with an electric motor (32) and an centrifugal separator (14) exhibiting an inlet cylinder (22), a vertically arranged dip pipe (30) and a lateral suction nozzle (24) through which a laden gas stream enters the inlet cylinder (22), it is provided with a view to creating a low-cost and easy-to-handle extraction device of a compact design, having a centrifugal separator, that the electric motor (32) is arranged inside the dip pipe (30).

Abstract: A system for gas cleaning has at least one casing (1) with a first chamber (31) into which the gas to be cleaned can be flowed and with a second chamber (33) from which the cleaned gas exits. A filter device (35) can have the gas flow through it and can be arranged between the chambers. The filter device has filter media both for the separation of solid particles and for dehumidifying the gas by separating out coalesced liquid. The system has, upstream of the filter device (35), an arrangement (11, 37) for preliminary dehumidification of the gas.

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 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 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: Separation device or unit for separating liquid from an inlet flow which mainly contains gas, the separation device comprising a container or a pipe section with an outlet for gas from the container or the pipe section, an outlet for liquid from the container or pipe section and an inlet for the inlet flow to the container or pipe section, characterised in that the separation device further comprises: a flow manifold arranged to receive and put the inlet flow in movement towards a porous pipe body extending towards the gas outlet and arranged to receive all or mainly the whole of the inlet flow, wherein part of said flow is flowing through the tubular body to the gas outlet, while the remaining of said flow is flowing through the porous wall of the tubular body, and an annular space consisting of the volume between the tubular body and the container wall or pipe section, said annular space is open for gas flow towards the gas outlet.

Abstract: Axial flow demisting cyclone for separation of material compositions of gas, liquid and particulate solids comprising an inlet conduit (18) for the material composition and an outlet conduit (19) for the substantially dry and clean gas, and a swirl facilitating device (20) that sets the entering material composition in rotation. The cyclons comprises a mainly cylindrical tube (11) which is provided with slots or perforations (21) to allow parts of the material composition, hereunder liquids and particulate solids to flow out from the cyclone tube (11) and into a substantially closed chamber (22) which is delimited by an inlet plate (24), by an outlet plate (23) ad by a circumferential plate (12).

Abstract: A vacuum cyclone dust collector according to the present invention comprises an upper housing through which an absorption hole and a discharging hole are formed and inside which air is inputted and discharged, a lower housing which induces air, which is inputted inside the upper housing through the absorption hole, to be circulated and is connected detachably to the lower part of the upper housing, and air refining part which is arranged rotatably to the upper part of the upper housing with keeping a vacuum state and allows air being inputted through the absorption hole to be circulated inside the upper housing and the lower housing and fine dust and impurities contained in air being inputted through the absorption hole to be dropped downward and refined air without fine dust and impurities to be discharged through the discharging hole.

Abstract: A dust collection unit for a vacuum cleaner includes a first dust collection part for filtering foreign objects in air, a second dust collection part for filtering foreign objects in the air that has passed through the first dust collection part, and a dust collection container having first and second dust collection chambers that correspond to the first and second dust collection parts, respectively. The first and second dust collection chambers store the foreign objects filtered by the respectively first and second dust collection parts in a state where parts of the respective first and second dust collection parts are received in the respective first and second dust collection chambers and the first and second dust collection chambers are provided in a line.

Abstract: The droplet separator includes a vortex generating apparatus in a flow passage for directing a droplet-carrying gas in the direction of at least one separator element arranged concentrically about the flow passage. The separator element includes multiple grid-like structures for separating the droplets from the gas flow.

Abstract: A vacuum cleaner includes a vacuum cleaner body, a cyclone unit which is mounted at the vacuum cleaner body, and separates dust from drawn air, a dust separating unit which is engaged with a lower end of the cyclone unit, said dust separating unit being configured to collect separated dust, said dust separating unit being detachable from the cyclone, and said dust separating unit comprising a compressing plate compressing the collected dust; and a driving unit which is disposed at a lower end of the dust separating unit, said driving unit being configured to ascend and descend the dust separating unit to be detachably connected to the cyclone unit and drives the compressing plate.

Abstract: A dust separating apparatus for a vacuum cleaner which is compact in configuration and is capable of preventing dirt from piling up on an entrance channel is provided. The dust separating apparatus includes a dust collecting receptacle adapted to collect dirt, and a cyclone unit eccentrically disposed in the dust collecting receptacle and adapted to whirl air drawn in through an inflow channel thereof, and the inflow channel may have an inclined upper surface which slopes downward toward a bottom of the dust collecting receptacle by a predetermined angle.

Abstract: There is provided a modularized hybrid dust collector for treating dust generated in various industrial processes. The box-shaped hybrid dust collector includes a first box-shaped dust collecting unit or a first cylindrical dust collecting unit, to which the inertial impaction and the principle of collecting dust using the centrifugal force are applied, and a second box-shaped dust collecting unit implemented by a dust collecting filter such that a problem of employing a cleaner and a limit of capacity, of a conventional cylindrical dust collector, can be overcome, and a high capacity modularized hybrid dust collector in which the box-shaped hybrid dust collector as a basic module and a plurality of dust collector modules are combined.

Abstract: Liquid separator which is provided with a centrifugal separator (2) and a fine separator (10) through which a gas to be purified can flow, whereby the centrifugal separator (2) consists of a cylindrical housing (3) with a tangential inlet (6) and an axial outlet (7), characterised in that the fine separator (10) comprises a housing (11) defining a space (12) which is isolated from the inner space (8) of the centrifugal separator (2) by means of a non-return valve (13).

Abstract: An air purifier includes a housing, a centrifugal fan and an air purifying filter. The fan is substantially centered in the housing. The fan has a rotary shaft extending in a depth direction of the air purifier and a fan inlet port facing frontward. Air suctioned by the fan is blown out in a direction perpendicular to the rotary shaft. The filter is aligned with the fan along the direction perpendicular to the rotary shaft. An air inlet port is disposed in front of the fan so as to communicate with the fan inlet port. When the fan rotates, air is suctioned into the air purifier via the air inlet port. An air outlet port is arranged relative to the filter such that air purified by the filter is blown out of the air purifier through the air outlet port.

Abstract: A dust-collecting unit for a vacuum cleaner is provided which detachably connected with a cleaner body of the vacuum cleaner. The dust-collecting unit includes a dust receptacle which is disposed under a dust separator disposed in the cleaner body, for collecting dust separated from air by the dust separator and dropping down from the dust separator, a dust receptacle ascending/descending part which is disposed under the dust receptacle and is pivoted in a direction or a reverse direction to ascend or descend the dust receptacle and to press-lock or unlock the dust receptacle to or from the dust separator, and a handle which extends from one side of the dust receptacle ascending/descending part along a lengthwise direction of the dust receptacle and has a gap with respect to a circumferential surface of the dust receptacle.

Abstract: A rigid or semi-rigid demister pad is positioned between an air turbine and an inertial water removal device such as extractor in an air conditioning system for an aircraft. The demister pad comprises packed fibers or strands whose diameter typically ranges from approximately 10 or fewer microns to approximately 280 microns. The demister is capable of catching very small droplets discharged from the air turbine that coalesce into larger droplets that exit the demister pad and enter an adjacent water removal device downstream from the pad to separate the larger water droplets from the stream of air. This avoids using a water separator containing a coalescer bag that requires frequent maintenance and is sensitive to dirt and freezing. The demister can operate at freezing temperature, is not dirt-sensitive and requires no maintenance.

Abstract: Sifting apparatus, for sifting solid particles from a gaseous or liquid fluid, having a rotating conical filter and fan blade assembly connected to the filter exterior, both rotated together by a motor/pulley assembly, the fan blades slanted in a direction opposite the rotation direction, so that air is drawn through the filter from its interior to its exterior, having an inlet for admission of air only at the narrow end of the filter, and having a receptacle for collection of the particles at the broad end of the filter. Applications include cleaning of particle contaminants from air; cleaning beach sand by sifting out broken glass, sea weed or other debris; extraction of mineral particles from water slurry; collection of soil samples picked up by an air stream; lawn maintenance collection of weeds, leaves and burrs; biohazard removal operations; and an alternative to auger food particle transport in food processing.

Abstract: The invention relates to a system for separating a mixture of gas and liquid into a heavy fraction and a light fraction, the system comprising:—a separation vessel having a vessel inlet for the supply of the mixture to be separated, an upper vessel outlet for the discharge of the light fraction and a lower vessel outlet for the discharge of the heavy fraction;—at least one inlet device for pretreatment of the incoming mixture, the inlet device, comprising a casing having a liquid outlet for the discharge of a first mixture part mainly containing liquid to a lower compartment of the separation vessel; and at least one demister element arranged at a position below the liquid outlet for separating liquid from the gas in the first mixture part flowing from the liquid output.

Abstract: The invention relates to a filter element, consisting of a filter medium (10) that is pleated in a zigzag manner and has a concentric form, and an end disk (11) disposed on a front, and a second end disk (12) disposed on the opposite front, wherein the end disk (12) has a concentric opening (13) and extends substantially annularly across the pleats of the filter medium. The end disk (12) has a ring collar (14) extending radially toward the outside. The ring collar (14) has a seal (15) that surrounds the ring collar at least partially, wherein the seal has an axially extending region, which carries radially peripheral sealing lips (17), and said radially peripherals sealing lips are supported in a groove (18) or in a housing wall (19) of a housing receiving the filter element.

Abstract: A portable dust collector for woodshop or other use with portable tools has a conic body that is supported on a tripod carriage formed of three legs attaching to gussets at the sides of the conic body. A divider plate within the conic body divides it into a cyclonic chamber between the divider plate and the lower nose, and a fan chamber between the divider plate and a motor plate that closes the upper mouth of the conic body. A final filter cartridge is fitted onto the outlet pipe, so that the dust collector exhausts clean, filtered air into the ambient. The final filter may be supported from a 90-degree elbow, with a removable tray for catching process dust that is knocked off the interior of the filter. The process dust in the cyclone settles into a dust collection barrel supported on a barrel cradle.

Abstract: The invention relates to a filter element consisting of a filter medium (10) which is folded in a zig-zag manner and designed in a concentric shape. End plates (11, 12) are arranged on the end sides of the medium. 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 in the area between the filter medium and the rings (14, 15). The end surfaces (18, 19) of the rings (14, 15) are supported by the grooves (20, 21) of a filter element housing, the grooves running radially.

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 cyclonic chamber for use in air filtration devices. The chamber includes an apex opposite a base with sidewalls extending therebetween. The cyclonic chamber is preferably parabolic in cross-section or tubular with a hemi-spherical cap. The base contains an outflow passage and a conical filter extending therefrom. An inflow passage is provided proximate the apex. The inflow and outflow passages are parallel but not aligned. The chamber interior is smooth. The smooth interior and offset relationship of the inflow and outflow passages causes air to take a cyclonic path between the inflow passage and the filter. Debris in the airstream is pushed outward—away from the filter—by centripetal force. Eddies form proximate the base. Debris escapes the airstream there, where it either remains or, depending upon the chamber's orientation relative to gravity, falls back into the airflow where it is again directed away from the filter.

Abstract: A dust collector includes a separating chamber, an impeller, a motor, a duct and at least two filters. The separating chamber includes a cyclone barrel including a chamber, and at least two air flow outlets. The separating chamber also includes an intake including a first body including a pipe, and a second body connected to and disposed under the first body. The impeller is driven by the motor and the operational movement of the impellor induces dust particles into the intake through the pipe and creates an air curtain extending from the duct, and an eddying air stream separating the dust particles into larger dust particles and smaller dust particles and discharging the larger dust particles from the second body and discharging smaller dust particles from the at least two air flow outlets and thereafter into the at least two filters.

Abstract: A fluid separator includes a side-by-side double-vortex fluid generator installed within a pressure vessel. The vortex generator separates the liquid and gas components of the incoming fluid mixture, and the vessel itself helps further separate the liquid into water and oil components, which makes the fluid separator particularly suited for processing fluids extracted from an oil well. The generator includes two diverging vortex tubes each having a polygonal cross-section. Such a cross-section allows the tubes to be formed using a conventional press brake. The vortex tubes also have diverging longitudinal centerlines to help spread the liquid flow pattern discharging into the vessel.

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 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: An indoor vacuum cleaner comprises a dirty air inlet, a handle, a cyclone separator having an outer wall, a fluid inlet downstream from the dirty air inlet and a fluid outlet, a plate having a cyclone chamber surface and positioned to substantially divide the cyclone separator into a cyclone chamber and a dirt collection chamber, each of the cyclone chamber and the dirt collection chamber having an outer wall, the outer wall of each of the cyclone chamber and the dirt collection chamber having an outer perimeter, the dirt collection chamber having a cyclone chamber end spaced from a dirt collection floor, a passage extending between the cyclone chamber and the dirt collection chamber, the passage configured such that separated dirt travels at least outwardly as the dirt travels through the passage and, an air flow motor.

Abstract: An apparatus for the elimination of dusts from gases, with a filter arrangement, which is flown through by a loaded volume flow, and a cyclone which is arranged upstream to the filter arrangement, wherein a collector funnel below the filter arrangement forms the cover of the cyclone, wherein a branch stub forming the dust outlet opening of the collector funnel forms the dip pipe of the cyclone and an outlet opening of the cyclone is connected to a dust collector tank arranged under it.

Abstract: A dust collection container for power tool with suction capacity is described comprising a first pipe (15) for air inlet and at least one second pipe (20) for air outlet, i.e. connected to the external environment, the dust container (13) comprising a filtering element (22) placed inside an external casing (14). The container further comprising a bladed element (100) accommodated in the external casing (14) and being adapted to increase the air turbulence. The shape of the space comprised between the filtering element (22) and the external casing (14) determines a cyclonic type air motion.

Abstract: The invention relates to a filter element consisting of a filter medium (10) that is pleated in a zigzag manner and has a concentric shape, and a first end disk (11) and a second end disk (12) disposed on an opposite front, wherein the end disk (12) has a concentric opening (13) and extends substantially annularly across the pleats of the filter medium. The end disk (11) has a ring collar (14) extending radially toward the outside. Said ring collar (14) has a seal (15) that surrounds the ring collar at least partially, wherein the seal has an axially extending region, which carries radially peripheral sealing lips (17), and said radially peripheral sealing lips are supported in a groove (18) or in a housing wall (19) of a housing receiving the filter element.

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 cyclonic chamber for use in air filtration devices. The chamber includes an apex opposite a base with sidewalls extending therebetween. The cyclonic chamber is preferably parabolic in cross-section or tubular with a hemi-spherical cap. The base contains an outflow passage and a conical filter extending therefrom. An inflow passage is provided proximate the apex. The inflow and outflow passages are parallel but not aligned. The chamber interior is smooth. The smooth interior and offset relationship of the inflow and outflow passages causes air to take a cyclonic path between the inflow passage and the filter. Debris in the airstream is pushed outward—away from the filter—by centripetal force. Eddies form proximate the base. Debris escapes the airstream there, where it either remains or, depending upon the chamber's orientation relative to gravity, falls back into the airflow where it is again directed away from the filter.

Abstract: Portable devices for mitigating the accumulation and localized settling of airborne particulates are provided. The devices establish airflow patterns which push or carry various airborne particulates outwardly away therefrom, thereby establishing a localized zone having relatively fewer airborne particulates. Correspondingly, each the devices establishes a localized zone, defined circumferentially about the perimeter of the device, in which there is relatively less surface accumulation of particulates which were previously airborne and settled out. The devices establish such airflow patterns by proving a fan which draws a volume of air axially through a top portion of the device, then pushes the volume of air axially down through the device where it is radially emitted from the bottom portion of the device, defining a circumferentially expanding plane of airflow.

Abstract: A portable dust collector for woodshop or other use with portable tools has a conic body that is supported on a tripod carriage formed of three legs attaching to gussets at the sides of the conic body. A divider plate within the conic body divides it into a cyclonic chamber between the divider plate and the lower nose, and a fan chamber between the divider plate and a motor plate that closes the upper mouth of the conic body. A final filter cartridge is fitted onto the outlet pipe, so that the dust collector exhausts clean, filtered air into the ambient. The final filter may be supported from a 90-degree elbow, with a removable tray for catching process dust that is knocked off the interior of the filter. The process dust in the cyclone settles into a dust collection barrel supported on a barrel cradle.

Abstract: A vehicle filter assembly includes a housing, a cyclone-inducing structure and a self-cleaning trap mechanism. The housing has an inlet, an outlet and a trap aperture. The cyclone-inducing structure is disposed within the housing between the inlet and the outlet to separate particulate from gases passing through the housing from the inlet to the outlet. The self-cleaning trap mechanism is movably arranged with respect to the trap aperture to move between a closed orientation sealing the trap aperture and an opened orientation exposing the trap aperture to release particulate from the housing.

Abstract: A dust collecting apparatus for a vacuum cleaner is provided. The dust collecting apparatus includes a dust collecting unit detachably mounted in a main body of the vacuum cleaner, to separate and collect dust from drawn-in air flowing therein; a filter unit disposed above the dust collecting unit, the filter unit comprising a filter to filter fine dust particles contained in air from which the dust has been separated by the dust collecting unit; a top cover to cover the filter unit and to discharge the air filtered through the filter; a rotating unit, which is disposed inside the filter unit, to strike a portion of the filter and to remove the fine dust particles attached to the filter; and a dust compression plate to compress the collected dust while being moved up and down inside the dust collecting unit by power transferred from the rotating unit.

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 cyclone dust-separating apparatus of a vacuum cleaner is disclosed. The cyclone dust-separating apparatus includes a cyclone unit having a cyclone chamber to whirl first air drawn in from the outside thus to separate dust or dirt therefrom, a filter unit disposed in a filtering chamber located in a downstream of the cyclone unit and having a filter to filter dust or dirt from the first air, a cleaning unit to brush away the dust or dirt accumulated in the filter by using second air drawn in from the outside, and a dust collecting unit to collect and store the dust or dirt separated from the first air by the cyclone chamber and the dust or dirt brushed away from the filter by the cleaning unit.

Abstract: A surface cleaning apparatus comprises a dirt inlet, a handle, a cyclone separator having an outer wall, a fluid inlet downstream from the dirt air inlet and a fluid outlet, a plate having a cyclone chamber surface and positioned to substantially divide the cyclone separator into a cyclone chamber and a dirt collection chamber, the plate being removably mounted in the cyclone separator, a passage extending between the cyclone chamber and the dirt collection chamber and a fluid flow motor.

Abstract: The system of the present invention includes a centripetal cyclone for separating particulate material from a particulate laden gas solids stream. The cyclone includes a housing defining a conduit extending between an upstream inlet and a downstream outlet. In operation, when a particulate laden gas-solids stream passes through the upstream housing inlet, the particulate laden gas-solids stream is directed through the conduit and at least a portion of the solids in the particulate laden gas-solids stream are subjected to a centripetal force within the conduit.

Abstract: A blower having oil-mist blower is disclosed. The blower is provided with tubing fitting on the wind suction opening connecting in series to an oil-collection box module. The position of the venting tube of the blower is connected to cyclone-separator. The oil-collection box module includes a box body, oil-collection seat body, filter and a cover plate. The cyclone-separator includes manifold tubing, filtering aid and a top cover. When the blower is in operation, the oil-collection box module sucks in oil-mist exhaust gas to proceed with first filtering of oil spot after that via the venting tubing into the cyclone-separator to proceed with a second filtering of oil spot.

Abstract: A cyclonic separating apparatus includes a chamber for separating dirt and dust from an airflow, an inlet to the chamber and a shroud. The shroud includes a wall having inner and outer surfaces and a multiplicity of through-holes forming an outlet from the chamber. Each through-hole has an axis. The inner surface of the wall has a serrated profile having a plurality of serrations arranged around at least a part of the circumference of the wall, each serration having a first face and a second face. At least one through-hole passes through the first face of at least one serration. By providing a plurality of serrations around the inner circumference of the wall, the airflow is forced to follow a longer path through each through-hole for when compared to conventional arrangements. This reduces the amount of dirt and dust which is able to pass through the shroud.

Abstract: A cyclone dust-separating apparatus is disclosed. The dust-separating apparatus includes a cyclone unit having an air inlet and an air outlet so as to remove dust or dirt from air, and a dust bin joined to a bottom end of the cyclone unit so as to store the dust or dirt separated by the cyclone unit. The cyclone unit is installed in such a manner that a longitudinal axis thereof is substantially horizontally arranged. The dust bin is installed in such a manner that a longitudinal axis thereof is substantially perpendicular to the longitudinal axis of the cyclone unit. The dust bin has an air outflow passage connected with the air outlet, so that air discharged from the cyclone unit passes through the dust bin and then discharges in a bottom end direction of the dust bin.

Abstract: A surface cleaning apparatus comprises a dirt inlet, a handle, at least a first cleaning stage comprising a plurality of cyclones in parallel and a plurality of dirt collection chambers that are emptied concurrently wherein the plurality of cyclones and the plurality of dirt collection chambers are removable as a unit from the surface cleaning apparatus, and an air flow motor.

Abstract: The present invention relates to a cylinder head cover for covering a cylinder head of a combustion engine. Such cylinder head covers often comprise an oil separator for separating oil and/or oil spray from the blow-by gas of combustion engines. With the present invention the oil separator is formed as a flow-through tube (10) through which the gas with the oil and/or oil spray to be separated flows. The flow-through tube (10) with its longitudinal axis (14) in the flow-through direction lies essentially in the plane of extension of the cylinder head cover (1). A worm-like segment is arranged in the flow-through tube (10), and its thread surfaces (21) form a spiral flow path (2). At the same time the cross section of the flow path lies between 1 mm2 and 800 mm2.