Abstract: A method and system for separating a flow of matter is shown and described. The system includes one or more flow separation devices, one or more surgical instruments, and one or more suction sources. In some embodiments, the flow of matter comprises biological material. In some embodiments, the flow of matter comprises surgical waste.

Abstract: A reject chamber for use with a hydrocyclone for separating a fiber suspension into a heavy fraction substantially containing heavy contaminants and a light fiber fraction substantially containing fibers, the reject chamber having an internal cavity, a reject inlet into the internal cavity, and a reject outlet out of the internal cavity, the longitudinal axis of the reject outlet being angled relative to the longitudinal axis of the reject inlet. The reject chamber has a stem that extends into the internal cavity at the elbow of the reject chamber, and at least two bumps, each of which extend into the chamber on opposite sides of the stem, the reject chamber taken along a cross section through the stem and between the bumps having symmetrical sides.

Abstract: A surface cleaning apparatus has a cyclone chamber having a longitudinal cyclone axis of rotation wherein the dirt outlet is defined by a gap between the sidewall of the cyclone and a plate positioned at the dirt outlet end of the cyclone.

Abstract: An effluent processing apparatus comprises a separator device arranged to receive an effluent mixture to separate oil and water from the effluent mixture and thereby to provide clean air. A member selectively allows either only oil or only water of the separated oil and water to pass from a first side of the member through openings in the member to a second side of the member. A sump is arranged to (i) receive and retain the oil on the first side if only water passes from the first side to the second side, and (ii) receive and retain the oil on the second side if only oil passes from the first side to the second side. Clean air from the separator device is exhausted through an air outlet to atmosphere, and water is drained through a water outlet to atmosphere.

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 filter assembly for separating and removing a liquid from a compressed fluid stream includes a filter element for separating the liquid from the fluid, a purge valve, and an elongated valve operator for actuating the purge valve. The top of the filter element has a shroud that decreases the flow area of the entering fluid stream to induce a vortex of the fluid, allowing the liquid to separate from the fluid. The purge valve is located at the bottom of the filter element for draining the separated liquid. The elongated valve operator axially extends through the filter element and is moveable by an actuating piston located at the top of the filter element, in response to elevated pressure in the filter assembly. The filtered air is dried through a desiccant body and then outputted from the filter assembly to be used in an air brake system.

Abstract: The object of the invention is a combustion method for a solid feed using a chemical loop wherein an oxygen-carrying material circulates, said method comprising at least: contacting the solid feed particles in the presence of metallic oxide particles in a first reaction zone (R1) operating in dense fluidized bed mode, carrying out combustion of the gaseous effluents from first reaction zone (R1) in the presence of metallic oxide particles in a second reaction zone (R2), separating in a separation zone (S3) the unburnt particles and the metallic oxide particles within a mixture coming from second reaction zone (R2), re-oxidizing the metallic oxide particles in an oxidation zone (R4) prior to sending them back to first zone (R1).

Abstract: An all in the head surface cleaning apparatus may have a surface cleaning head including a front end, a rear end, first and second laterally opposed sidewalls. The surface cleaning head may include a cyclone assembly comprising a cyclone chamber and a dirt collection chamber. The cyclone chamber may have a longitudinal cyclone axis, a cyclone assembly air inlet port and a cyclone assembly air outlet port. The cyclone assembly may be moveable from a cleaning position to a cyclone assembly removal position. The surface cleaning head may include a biasing member biasing the cyclone assembly away from the cleaning position, and a suction motor having a suction motor air inlet and a suction motor axis. The apparatus may include an upper portion moveably mounted to the surface cleaning head between a storage position and a floor cleaning position, the upper portion comprising a drive handle.

Abstract: A surface cleaning head has a cyclone assembly with a cyclone assembly air inlet port and a cyclone assembly air outlet port, a first air flow path extending from a dirty air inlet to the cyclone assembly air inlet port, and a second air flow path extending from the cyclone assembly air outlet port to a suction motor air inlet. The cyclone assembly moveable from a cleaning position in which the cyclone assembly air inlet port is in communication with an outlet port of the first air flow path and cyclone assembly air outlet port is in communication with an inlet port of the second air flow path to a removal position in which the cyclone assembly air inlet port is spaced from the outlet port of the first air flow path and cyclone assembly air outlet port is spaced from the inlet port of the second air flow path.

Abstract: A dust collector for a cleaner is provided, including: a dust container, a cyclone separator and a dust container top cover. The dust container defines an air inlet in a bottom wall thereof. The cyclone separator is disposed in the dust container and defines a cyclone separator inlet communicated with the air inlet and a cyclone separator outlet. The dust container top cover covers the dust container and defines an air outlet communicated with the cyclone separator outlet.

Abstract: A cyclone comprises a cyclone chamber having an air inlet, an air outlet, a first end wall, a second end wall and a sidewall, the air inlet has an inlet end having a shape and a cross sectional area in a plane transverse to a direction of airflow through the air inlet, and the air inlet is provided at a first juncture of the sidewall and the first end wall, wherein the first juncture downstream of the inlet is configured to at least approximate a portion of the shape of the air inlet that is adjacent the first juncture.

Abstract: An adhesive dispensing device includes a heater unit for melting adhesive material, a receiving space for feeding the heater unit, and a cyclonic separator unit for delivering adhesive pellets to the receiving space. The cyclonic separator unit includes a tangential inlet pipe proximate to a top end of a generally cylindrical pipe, which is connected to the receiving space at an open bottom end. The tangential or spiral flow of air and adhesive pellets generated through the cyclonic separator unit reduces the speed of the air and adhesive pellets to avoid splashing of molten adhesive material while maintaining enough speed to avoid adhesive build up on the generally cylindrical pipe.

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 through a side of the dirt container; a second cyclonic separating unit comprising at least one cyclone with an axial inlet port, an axial outlet port and a discharge nozzle and a substantially cylindrical intermediate wall surrounding the inlet port of the at least one cyclone, wherein the cyclonic separation apparatus comprises at least one protruding lip arranged to impede return of separated material from said longitudinal end of the dirt container and wherein the at least one lip protrudes radially inwardly from an inner surface of the dirt container or protrudes radially outwardly from the intermediate wall.

Abstract: A fiber bed assembly used to remove aerosols and/or wetted soluble solids from a moving gas stream includes a fiber bed support and a fiber bed supported by the fiber bed support so that the gas stream passes through the fiber bed moving from an upstream space to a downstream space with respect to the fiber bed. A re-entrainment control device is located within a downstream space defined by the fiber bed so that at least a portion of the gas stream passes through the re-entrainment control device. The re-entrainment control device is shaped to change the direction of the average flow path of the gas stream as the gas stream passes through the re-entrainment control device so as to cause aerosols and/or wettable solids contained therein to be separated from the gas stream by inertial force. A re-entrainment control device and method of use are also disclosed.

Abstract: A device for separating foreign material from air without the use of filters includes a chamber to receive the foreign material and air, an exhaust port and a pressure source that draws air from the chamber through the exhaust port, and an air inlet through which an additional quantity of air enters the chamber to move the foreign material away from the exhaust port so that the foreign material is not entrained in the exhaust air. A valve regulates the quantity of additional air introduced into the chamber through the air inlet. The exhaust port is positioned downstream of the air inlet. The foreign material collects in the dead air space of the receiving end of the chamber.

Abstract: An oil separator includes a separation chamber for separating oil mist from blow-by gas of an internal combustion engine and a case in which the separation chamber is formed. The oil separator further includes an introduction pipe, which is connected to the case and introduces blow-by gas into the separation chamber, and a discharge pipe, which is connected to the case and discharges blow-by gas that has passed through the separation chamber. An inlet inner wall portion, which is formed by a part of the discharge pipe that includes the inlet, protrudes further downward than an outlet inner wall portion, which is formed by a part of the discharge pipe that includes the outlet. A step is formed at the boundary between the inlet inner wall portion and the outlet inner wall portion to prevent oil from moving along the inner wall of the discharge pipe toward the outlet.

Abstract: A vacuum cleaner with a separation module includes an exhaust grill having openings through which air may pass, wherein the exhaust grill is positioned fluidly between a separator chamber and an air outlet. A plurality of debris catching tines prevent debris from wrapping around and blocking the openings of the exhaust grill.

Abstract: A motor, fan and cyclonic separation apparatus arrangement for a vacuum cleaner comprising: a motor coupled to a fan for generating air flow; and a cyclonic separation apparatus located in a path of the air flow generated by the fan. The cyclonic separation apparatus comprises: a plurality of cyclones each with an air inlet port and an air outlet port; and a cooling air flow path. The motor comprises a permanent magnet brushless motor, a switched reluctance motor or a flux switching motor. The fan has an outer diameter the same or less than the diameter of the motor. The plurality of cyclones, the motor and the fan are arranged in a circular array about a central axis of the cyclonic separation apparatus. The arrangement comprises a baffle for directing air flow from the fan out of the circular array. The motor is located in the cooling air flow path.

Abstract: The present invention relates to an inertial separator for gas liquid separation, comprising: a tubular body (12) having an inlet (14) extending through a sidewall of the body (12) substantially in tangential direction, an annular duct (16) arranged inside the tubular body (12) and being in fluid communication with the inlet (14), wherein the annular duct (16) extends into an interior chamber (18) of the tubular body (12) via an annular gap (20) extending between an inside facing side wall portion (15) of the body (12) and a first insert (30; 50).

Abstract: The invention is directed to a vessel for separating solid particles from a gas containing solid particles, said vessel comprising a plate provided with openings across the vessel such that the plate divides the vessel in a first and second space, a number of filter elements extending from the openings into the first space, a vessel opening for receiving the gas containing solid particles, fluidly connected to the first space, an vessel outlet opening for discharge of solids, fluidly connected to the first space and a vessel outlet opening for gas, fluidly connected to the second space. The first space further comprises one or more cyclone separation devices having an inlet fluidly connected to the vessel opening for receiving the gas containing solid particles, a cyclone gas outlet fluidly connected to the first space and a solids cyclone outlet.

Abstract: The present invention relates to a separator and more specifically, but not exclusively, to a centrifugal separator for the cleaning of a gaseous fluid. A centrifugal separator is provided as comprising a housing defining an inner space, and a rotor assembly for imparting a rotary motion onto a mixture of substances to be separated. The rotor assembly is located in said inner space and is rotatable about an axis relative to the housing. The rotor assembly comprises an inlet for receiving said mixture of substances, an outlet from which said substances are ejected from the rotor assembly during use, and a flow path for providing fluid communication between the inlet and outlet, wherein the outlet is positioned more radially outward from said axis than the inlet.

Abstract: A vacuum cleaner comprising: a motor coupled to a fan for generating air flow; an elongate body with a handle at longitudinal end and a cleaner head arranged at an opposite longitudinal end; a dirt separation means located in a path of the air flow generated by the fan; and at least one support wheel for supporting the vacuum cleaner upon a floor, wherein the dirt separation means comprises: a hollow substantially cylindrical dirt container with a longitudinal central axis arranged transverse to the elongate body; and an air inlet port to the dirt container, wherein the air inlet port is in communication with the cleaner head located in the path of the air flow upstream of the dirt separation means and wherein the at least one support wheel rotates about the dirt container.

Abstract: Improvements to filtration and vessels such as for filtration and coalescing of gas streams are shown. A filter element with a partial treated region and untreated region such as providing different surface energies or other filtration characteristics are provided. Various keying arrangements for compatibility and/or rotational locking are shown between the filtration vessel, a tubular coalescing baffle, and/or filter element. The tubular coalescing baffle also may include non-louvered pore structure, which provides for more even flow in a two stage type filtration vessel to prevent premature exiting and reduction of flow velocities along the second stage, and/or may additionally or alternatively include drainage apertures such as drain slot formed along a gravitational bottom or otherwise to facilitate additional drainage of coalesced liquid as opposed to letting such liquid be forced through fluid velocity toward the open end of the tubular baffle.

Abstract: A water separating container for a motor vehicle is provided. An air stream sucked in from outside the vehicle passes through the water separating container, which separates water present in the air stream. The water separating container includes an air inlet having an air inlet opening and an air outlet having an air outlet opening. An impact wall for separating the water present in the air stream is disposed between the air inlet and the air outlet.

Abstract: A moisture separator where a corrugated plate 43 is provided with a collecting plate 49 formed to cover a flat portion 74 and an upstream end of a slope portion disposed on a downstream side of the flat portion 74. The collecting plate 74 has an opening which opens to an upstream side in the direction of the wet steam flow S1. The collecting plate 49 is fixed to the slope portion at a base end. Between the collecting plate 49 and a body portion of the corrugated plate, a pocket section 47 and a drain duct section 48 are formed. The moisture contained in the wet steam S1 turns into droplets and enters the pocket section 47 and the drain duct section 48 from the opening of the collecting plate 49 and falls down the pocket section 47 and the drain duct section 48 respectively by gravity.

Abstract: An apparatus, for separating liquid droplets out of a feed gas stream, includes a delay vessel for preliminary separation of some of the liquid droplets out of the feed gas stream under gravity, with an inlet line for the feed gas stream and an outlet line for the gas stream which has been depleted of liquid droplets and which flows out of the delay vessel and a tangential supply thereof into a centrifugal droplet separator. The outlet line is arranged in the upper region of the delay vessel and spaced apart from the inlet line to such an extent that the delay time of the gas stream in the delay vessel is at a maximum, and with an outlet line for the liquid separated in the delay vessel at the base thereof.

Abstract: A wet type dust collecting apparatus of a vacuum cleaner is provided. The wet type dust collecting apparatus of a vacuum cleaner includes a first separating unit configured to filter out and discharge dust by rotating air which is inlet via a first air inlet, and a plurality of a second centrifugal separating units configured to filter out dust from the air which is discharged from the first separating unit, and configured to eliminate dust from the inlet air via water which is filled inside of the second centrifugal separating units.

Abstract: A vacuum cleaner (1, 21, 31) comprises an air inlet opening (3), an air outlet opening (6) and a rotatable separator (9) for separating air and airborne particles. The separator (9) comprises at least one air entrance opening (109) located between the air inlet opening (3) and the air outlet opening (6). The vacuum cleaner (1, 21, 31) is provided with air-guide means (15, 22, 37) for guiding at least part of the air towards the separator (9). In use, the air-guide means (15, 22, 37) provides an at least partially closed boundary in axial direction for a column of rotating air (17) around the separator (9). The minimum distance (Rag) of an edge (115, 122) of the air-guide means (15, 22, 37) to the rotating axis (11) of the separator (9) is larger than a distance (Rs) of the air entrance opening (109) of the separator (9) to the rotating axis (11) of the separator (9).

Abstract: A filtration device for filtering air for use with a fuel vapor recovery system, the filtration device including a housing having a cover and a base. The cover defines an outlet and a plurality of inlets allowing air to enter the housing. The housing includes a plurality of internal walls defining a plurality of chambers. The plurality of internal walls define a plurality of inlets configured to direct air entering the device to flow along the inner circumference of a cylinder, thereby generating an air stream having a sufficient flow velocity such that centrifugal force forces contaminants to separate from the air.

Abstract: A filtration device 8 for filtering air used with a fuel vapor recovery system 100 may comprise a housing comprising an upper end 10 having at least one air inlet 18 and a lower end 12 having at least one air outlet 26, a first passageway 32 in fluid communication with the air inlet 18 and configured to increase the velocity of the air through the first passageway 32 compared to the air inlet 18, a collection cavity 34 in fluid communication the first passageway 32 and configured to reduce the velocity and abruptly change the direction of the air through the collection cavity 34 compared to the first passageway 32, a filter cavity 14 in fluid communication with the collection cavity 34 comprising a filtering media 16, and a clean air cavity 40 in fluid communication with the filter cavity 14 and the air outlet 26 of the housing.

Abstract: A moisture separator/heater, including a cylindrical main shell, a moisture separator that removes moisture in steam to be heated that flows in through the bottom of the main shell, a heater disposed above the moisture separator in the main shell, and restricting members disposed in a heating space to sandwich a tube bundle side plate with an outer rail to restrict rounded-back deformation thereof and satisfy an expression of 0.2?L1/L and L2/L?0.4, L represents total length of a straight tube portion, L1 represents distance from one of the pad members closest to a steam heating header to an end of the straight tube portion on the side where the steam heating header is present, and L2 represents distance from one of the pad members closest to a curved tube portion to an end of the straight tube portion on the side where the curved tube portion is present.

Abstract: A trap device includes means for separating a liquid compound from a waste stream exhaust from a process chamber, means for collecting the liquid compound separated from the waste stream, means for selectively isolating the collected liquid compound from the waste stream, and means for evaporating the collected liquid compound to return the compound in gaseous form to the waste stream. This can enable a volatile liquid to be collected at a defined location, isolated from the waste stream, and, when so desired, returned to the waste stream in the form of a gas for subsequent abatement.

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: The invention hereby disclosed is a vertical filtering and separating suction machine of chips, steam and smoke for machining center, lathe machine or other machines, which operates by sudden changes of sucked air, thus generating hits which separate heavy particles, whose suction pipe extends almost up to the bottom of the rotor, which only uses filters at the end of the process of air purification, whose rotor has outer paddles modified in order to improve suction power and to cause more hits of air flow, and which includes an air pressure alarm showing the filter is saturated.

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: A muffler is provided that air or gas flows through to attenuate acoustic oscillations and reduce sound levels. An inner vortex and an outer vortex are created within the device that reduce noise within the rotating flow of gases. The gases flow in the outer vortex from an inlet in a live end of the housing toward a dead end of the housing. A projection is provided in the dead end of the housing that creates a low pressure area that causes the formation of the inner vortex flowing from the dead end toward the live end to an outlet.

Abstract: Systems and methods for the separation of a particulate-fluid suspension are provided. An apparatus for the separation of a particulate-fluid suspension can include an enclosed vessel having two or more sections disposed coaxially along a common longitudinal centerline, wherein a first section has a first cross sectional area and a second section has a second cross sectional area. A plurality of apertures can be disposed about the second section. The apparatus can have a cylindrical surface, parallel to the longitudinal centerline of the apparatus, disposed within the first section. A fluid distribution channel having a plurality of apertures can be disposed either about an exterior surface or an interior of the apparatus. A plurality of fluid conduits can provide fluid communication between the fluid distribution channel and the plurality of apertures distributed about the second section.

Abstract: This cyclone device performs diphasic gas-oil separation to remove oil from the recirculated crank cases of an internal combustion engine. Mounted such that it can move vertically inside the cyclone is a body (7) exhibiting symmetry of revolution, particularly one of cylindro-conical overall shape. The body (7) delimits, with the walls of the cylindrical collecting zone (2) and/or of the conical zone (3) for recuperating the liquid oil, an annular gap (13) such that the passage cross section can vary according to the self-adjusting heightwise position of the body (7), as a function of the gas flow rate. The speed of the gases thus remains constant for variable gas flow rates.

Abstract: A number of pocketed apparatus for separating various materials are described. A pocketed cyclonic separator that includes a cyclone chamber, which includes interior chamber walls, an inlet connected to the cyclone chamber, and one or more pocket separators, located on the interior chamber walls, is described. A substance may be introduced through the inlet into the cyclone chamber so as to create a rotational force sufficient to generate a cyclone in the cyclone chamber. Forces generated by the cyclone will cause heavier material in the substance to move towards the interior chamber walls when in use. The one or more pocket separators define one or more pockets that trap heavier material in the substance when in use.

Abstract: The present invention is a device that rapidly and effectively separates and collects debris from airflow between a debris source and a vacuum source. The device comprises a first chamber situated above and adjoining a second chamber. The first chamber functions to separate and remove the debris and the second chamber functions to collect the debris. The first chamber is circular in cross-section and comprises an upper portion and a downward and outward sloping sidewall. The upper portion has an output port connected by a first conduit to the vacuum source and the sidewall has an input port connected by a second conduit to the debris source. Air and debris are drawn into the first chamber through the input port by suction created at the output port. The debris is centrifugally forced to the sidewall whereby it is then centripetally forced downward into the second chamber through a peripheral opening between the sidewall and a barrier, while cleaned air is evacuated through the output port.

Abstract: Devices, systems, and methods improve particulate filtration. A particulate filtration system is implemented within a fossil fuel power plant combustion system. A gas containing particulates flows through the filtration system. The filtration system comprises a collection hopper for collecting the particulates. Within the collection hopper, a particulate trap, upper baffles, and lower baffles are provided to retain collected particulates in the hopper and, thereby, improve the filtration of particulates from the gas flow. The particulate trap can include two sets of variously oriented, interconnecting retaining members crossing the interior of the collection hopper.

Abstract: A method of designing a gas-solid separator that has an inner cylinder having a closed lower end and an opened upper end, and extending in a vertical direction; an outer cylinder that coaxially covers the inner cylinder from the outside and has a gas vent port formed on the upper end side of the inner cylinder and communicating with an exterior; and a plurality of axially extending long holes formed a side surface on the lower end side of the inner cylinder in a circumferential direction, one of long side edge parts of each of the long holes being provided with a guide blade that protrudes outward and is inclined circumferentially so as to cover the long hole.

Abstract: A liquid separator for separating a liquid from a gas flow comprising a housing (1) includes a baffle plate (4) provided between an upper housing portion (1A) and a lower housing portion (1B). The baffle plate prevents liquid contained in the gas flow from escaping from the liquid separator. Liquid separated at the baffle plate (4) is returned to the inlet (2) of the liquid separator.

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

Abstract: An upright vacuum cleaner includes a housing having a suction airstream inlet and a suction airstream outlet. A dirt container is selectively mounted to the housing for receiving and retaining dirt and dust separated from the suction airstream and includes a first cyclonic air-flow chamber and a second cyclonic airflow chamber. The chambers are spaced apart and are each approximately vertically oriented and arranged in a parallel relationship. An air manifold is disposed at a top portion of the dirt container. The air manifold includes an inlet section through which dirty air passes and an outlet section. The inlet section directs a flow of dirty air into two separate inlet conduits leading to a respective one of the first and second airflow chambers. The outlet section collects a flow of cleaned air from both of the chambers and merges the flow of cleaned air into a single outlet conduit.

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 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: A vacuum cleaner having a housing, a suction fan, a dustcup, a cover and an inlet into the dustcup. The dustcup is removably secured to the housing, and includes a cup end wall, a sidewall extending from the cup end wall, and an open end opposite the cup end wall. The cover can be connected to the open end of the dustcup, and includes an air outlet in fluid communication with the suction fan, and a filter covering the air outlet and extending from the cover towards the cup end wall. The cup end wall includes a barrier positioned to be contacted by air flowing through the dustcup to thereby separate dirt particles from the air.

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: An apparatus for separating natural gas from production streams comprising a liquid dispersion of water, sand, and natural gas is provided for. The separator comprises a vessel having an interior surface defining a spherical interior space. The interior space allows a production stream introduced therein to experience a velocity drop sufficient to allow separation of the natural gas from the sand and water components. The separator also comprises a stream inlet port in the vessel, a liquid drain in the lower end of the vessel, and a gas outlet port at the upper end of the vessel remote from the stream inlet port. A baffle is mounted in the interior of the vessel in the path of the production stream between the stream inlet port and the gas outlet port. The baffle is effective to spread and direct a high pressure production stream introduced into the interior space via the stream inlet port downward toward the liquid drain.