Abstract: A hand vacuum cleaner has a cyclone assembly comprising a first stage cyclone and a second stage cyclone. The first stage cyclone has a first stage cyclone chamber and a first stage dirt collection chamber. The second stage cyclone is downstream from the first stage cyclone and at least partially nested in the first stage cyclone and has a second stage cyclone chamber and a second stage dirt collection chamber. The cyclone assembly has an openable end comprising at least one of the front end and the rear end, the openable end is moveable and closes the first stage cyclone chamber, the first stage dirt collection chamber, the second stage cyclone chamber and the second stage dirt collection chamber.

Abstract: An electric vacuum cleaner that secures efficiency and quietness without increasing the size of a main body part. The electric vacuum cleaner includes an electric blower, and a main body part including a first centrifugally separating part that centrifugally separates dust from air containing dust sucked by the electric blower. The first centrifugally separating part includes a dust collecting cup including a dust collecting cup main body that is formed into a bottomed cylindrical shape and turns air containing dust inside, and an exhaust tube part that is formed along the central axis of the dust collecting cup main body and discharges exhaust air of the electric blower from the bottom portion.

Abstract: A domestic appliance such as a cyclonic vacuum cleaner includes a component such as separating apparatus, carried by a chassis. A catch is provided and is operable to release the component from the chassis. The component and the chassis are able to move slightly with respect to each other. When the appliance is lifted, lugs on the separating apparatus move into slots on the chassis so as to inhibit release of the catch when the appliance is lifted. Thus, accidental release of the separating apparatus from the chassis is avoided.

Abstract: A vacuum cleaner has a separation/collection module for separating dirt and other contaminants from a dirt-containing working airstream and collecting the separated dirt. The module can include at least one cyclonic separation stage and an exhaust grill fluidly positioned between the separation stage and an air outlet from the collection module.

Abstract: An adapter assembly includes an adapter body extending from an adapter inlet to an adapter outlet, a canister mount for securing the adapter body to an air filter canister, and an adapter joint for securing the adapter body to the canister mount. The canister mount includes a collar that is secured about the air filter canister. The adapter joint allows the adapter body to be moved away from the air filter canister for air filter replacement without having to disconnect the adapter body from the air filter canister. Precleaners are airtightly securable to the adapter body inlet, and the air filter canister is airtightly securable to the adapter body outlet. Air cleaned by the precleaners before reaching the air filter has less contamination to be filtered by the air filter before the air flows into an engine. Precleaning significantly extends the life of air filters.

Abstract: An air filter arrangement is disclosed. The air filter arrangement includes media comprising corrugated media secured to facing media and defining a media pack having opposite flow faces. Media pack arrangements including such media are described. Also described are filter cartridges including such media packs and air cleaners including the filter cartridges. Advantageous housing seal arrangements having a pinch seal member and forming a trough are described. Methods of assembly and use are also provided. Also, systems of use are described.

Abstract: The present invention regards an inline separator with a first pipe element (10) comprising a rotation-generating element (11) for the fluid flow downstream of an inlet (13) in the first pipe (10), a second pipe element (20) arranged at least partly inside the first pipe element (10), downstream of the rotation-generating element (11) and forming an outlet (25) for lighter density fluids, the first and second pipe elements (10, 20) forming an annular space (27) between an inner surface (15) of the first pipe element (10) and an outer surface (22) of the second pipe element (20), which annular space (27) is connected to a first outlet section (30) for heavier density fluids, wherein the second pipe element (20) is provided with a number of through-going openings (26) over at least a part of its length, the openings (26) leading to a second outlet section (31) for heavier density fluids, and both the first outlet section (30) and the second outlet section (31) are connected to a common container (40) with an ou

Abstract: A versatile compact air precleaner, air cleaning method and disposable air filter cartridge for air precleaner for separating heavier-than-air particulate debris from debris laden air to provide a clean airflow, wherein a flow path for air passing through a separator chamber of the air precleaner is retroflexed en route to the outlet. A plurality of independently rotatably adjustable housing sections of a housing provide utility with multiple clean air outlet configurations, freedom of direction of ejection of particulate debris from the ejector ports, different inlet configurations, mounting of the precleaner from different sides, accommodation of different sizes of filters, and different clean airflow rate capabilities. A separator chamber end section including the ejector ports is connected to the filter as a removable, disposable air filter cartridge to obviate ejector port clogging with change of filters.

Abstract: A phase splitter for separating a multiphase fluid into a relatively light phase and a relatively heavy phase includes a separator tube which comprises a fluid inlet through which the multiphase fluid enters the apparatus, a heavy phase outlet through which the heavy phase exits the apparatus and an inner diameter surface which defines a flow bore that extends between the fluid inlet and the heavy phase outlet. A swirl element positioned in the flow bore downstream of the fluid inlet causes the multiphase fluid to rotate and separate the heavy phase from the light phase. The light phase forms an elongated core which extends axially through the flow bore radially inwardly of the heavy phase from proximate the swirl element toward the heavy phase outlet. A core stabilizer is positioned in the flow bore between the swirl element and the heavy phase outlet and engages the distal end of the light phase core to thereby inhibit the light phase from exiting the apparatus through the heavy phase outlet.

Abstract: An oil mist filter is fixed on an air intake of an oil mist collector and contains: a first cover, a second cover, a first filtering unit, a third cover, and a second filtering unit. The first cover is hollow and includes a first through orifice. The second cover is hollow and includes a second through orifice. The first filtering unit is fixed between the first cover and the second cover and includes a chamber for guiding oily substances from the first through orifice. The third cover is placed in the chamber and includes a collection portion and plural arcuate guiding portions radially extending outward from the collection portion. The second filtering unit is disposed between the second cover and the third cover to filter the oily substances from the chamber, and then the oily substances are guided out of the second through orifice via the plural guiding portions.

Abstract: An apparatus intended for evaluation, preservation and perfusion of an organ, such as a lung. The apparatus includes a container with a bottom portion, an insert portion and a lid portion. A pulmonary artery tube is intended to be connected to the lung pulmonary artery and a trachea tube is intended to be connected to the trachea of the lungs and bent tube connects the pulmonary artery tube to a circuit for providing a fluid to the pulmonary artery is provided. The circuit includes a pump, an oxygenator, an optional leukocyte-filter, and a holder for connecting the trachea tube to a source of respiration. There is an oxygenator tube set and a leukocyte-filter tube set. A supporting structure for the container comprises a recess sized for enclosing said container and a display panel. Moreover, there are two handles, which may be unfolded into a position for supporting a sterile cloth.

Abstract: A hand carryable surface cleaning apparatus is disclosed. The apparatus comprises a main body housing a suction motor, and a cyclone bin assembly. The cyclone bin assembly comprises a cyclone chamber and a dirt collection chamber. At least a portion of the dirt collection chamber may extend under at least a portion of the suction motor. The suction motor may be oriented at an angle to a vertical axis and a horizontal axis.

Abstract: Air filter assemblies and carrier frames have a plurality of vortex-generating flow guides normalizing air flow to a uniform velocity profile downstream thereof. The airflow having the uniform velocity profile travels across a mass airflow sensor.

Abstract: A surface cleaning apparatus comprises an air flow passage extending from a dirty air inlet to a clean air outlet, a cyclone positioned in the air flow passage and having a cyclone air inlet, a cyclone air outlet and having a cyclone axis, a suction motor positioned in the air flow passage and having a motor axis, and a filter assembly downstream of the cyclone air outlet and upstream of the suction motor, the filter assembly comprising a longitudinally extending filter axis that may be generally parallel to the cyclone axis, spaced apart longitudinally extending upstream and downstream air flow passages and a longitudinally extending filter media therebetween some. In some embodiments, at least a portion of one of the upstream and downstream air flow passages is positioned interior the filter media.

Abstract: A hand carriable surface cleaning apparatus, such as a cyclonic hand vacuum cleaner, is provided wherein a conduit is in communication with the cyclone air outlet. The conduit extends through the pre-motor filter and is in communication with the upstream side of the pre-motor filter.

Abstract: A filter box assembly for integrating into a bi-directional vent and air intake line associated with a vehicle fuel tank. The assembly includes an outer shell having an open inserting end and an opposite closed end. An inner communicable component is engageable within the open inserting end of the outer shell and collectively defines a plurality of continuous and reverse flow passageways extending between a plurality of inlet apertures defined upon a base surface of the inner component and a conduit attachment nipple extending from the inner component.

Abstract: A hand carriable surface cleaning apparatus, such as a cyclonic hand vacuum cleaner, is provided wherein air travels in a first direction from the cyclone chamber to an upstream side of the pre-motor filter, and air travels in an opposite direction to the first direction in a portion of an air flow path extending from the pre-motor filter to the suction motor.

Abstract: A hand vacuum cleaner is provided with a wand mounted to the dirty fluid inlet of the hand vacuum cleaner and the wand has a distal inlet that is mounted on a surface cleaning head. The hand vacuum cleaner has a cyclonic cleaning stage. The dirty fluid inlet has a passage with a passage axis and the cyclonic cleaning stage has a longitudinal axis. The fluid flow motor is displaced from the passage axis in a direction parallel to the longitudinal axis.

Abstract: A surface cleaning apparatus is provided wherein a cyclone chamber has a lower end having a lower end wall and a lower openable end, and a sidewall, wherein the sidewall and the lower end wall meet at a juncture and the juncture extends at an angle to the lower end wall and the sidewall, wherein the lower openable end comprises the lower end wall and at least a portion of the juncture.

Abstract: An air cleaner device for filtering intake air including a housing defining a chamber, a filter element disposed within the chamber, and a duct element having a passageway in fluid communication with the chamber. Further, the duct element extends along and downwardly from about a portion of the housing and further includes an inlet for drawing intake air into the chamber. The air cleaner having a base member in fluid communication with the chamber and an outlet, where the air drawn into the chamber is filtered by first and second filtering operations to obtain filtered air, with the first and the second filtering operations accomplished at least in part due to a cyclonic motion of the air and passage of the air through the filter element, respectively; and where the filtered air from the chamber of the housing is released through the outlet in the base member.

Abstract: Assemblies, features, and techniques for pulse jet air cleaner assemblies and their operation are described. In general, the techniques relate to: providing for advantageous dust egress arrangement from the housing; and, preferred pulse control logic. This can be advantageous in field operation.

Abstract: A surface cleaning apparatus, wherein the pre-motor filter dirt chamber is removable from the surface cleaning apparatus.

Abstract: A vacuum cleaner with a separation module comprises an exhaust grill positioned fluidly between a separator chamber and an air outlet. The exhaust grill can comprise a body having a plurality of louvers and a plurality of inlets defined between adjacent louvers.

Abstract: A droplet separator (10) includes a flow passage (5) through which a droplet charged gas can be conducted and through which this droplet charged gas can flow along a main flow direction (6), wherein a separation element (8) is arranged essentially in ring shape about the flow passage (5). The separation element (8) has a base element (11) and a top element (12) as well as a plurality of connection elements (1) which are arranged between the base element (11) and the top element (12). The connection element (1) includes a wall element (3, 13, 30) along which droplets of the droplet charged gas can be conducted as a film in the direction of the base element (11), wherein the wall element (3, 13, 30) has a separation surface which has a mean width of more than 1 mm.

Abstract: A cyclonic separation device in accordance with an embodiment of the present application preferably includes a first cyclone chamber having a cylindrical shape with a predetermined diameter, the first cyclone chamber including, a tangential inlet positioned on a first longitudinal end of the first cyclone chamber, a baffle plate positioned in the first cyclone chamber a predetermined distance from the tangential inlet, a tangential dirt outlet positioned on a second end of the cyclone chamber, opposite the inlet and on an opposite side of the baffle plate from the tangential inlet and a center exit duct mounted in the center of the cyclone chamber having an inlet opening positioned upstream from the baffle plate such the centrifuged fluid without particles flows into the center exit duct and out of the cyclone chamber.

Abstract: A hand vacuum cleaner is provided with a wand mounted to the dirty fluid inlet of the hand vacuum cleaner and the wand has a distal inlet that is mounted on a surface cleaning head. The hand vacuum cleaner has a cyclonic cleaning stage having a cyclone chamber and a handle wherein the fluid flow motor is positioned above the upper end of the cyclone chamber when the hand vacuum cleaner is positioned on the horizontal surface.

Abstract: A surface cleaning apparatus comprises a wheeled base and a portable cleaning unit removably mounted on the wheeled base and comprising at least one cyclonic separation stage comprising a cyclone chamber and a material collection chamber. The material collection chamber is removable from the portable cleaning unit while the portable cleaning unit is mounted on the wheeled base.

Abstract: A vacuum may include a housing, a filter, a motor-fan assembly, and a flue. The housing defines a chamber having a circular cross-section. The filter may have an annular shape and is disposed in the chamber of the housing. The motor-fan assembly includes a motor drivably coupled to a fan, such that the fan is mounted above the motor. The motor and the fan are enclosed in a casing, and the casing is disposed in an opening of the filter. The fan draws air into the chamber via the intake port and upward through the filter into the casing of the motor-fan assembly. The flue defines an exhaust path from the casing to the exhaust port, whereby air drawn into the casing is discharged via the flue outside the chamber of the vacuum.

Abstract: A hand vacuum cleaner is provided with a wand mounted to the dirty fluid inlet of the hand vacuum cleaner and the wand has a distal inlet that is mounted on a surface cleaning head. The hand vacuum cleaner has a cyclonic cleaning stage having a dirt collection region. The dirt collection region has a bottom that is openable when the wand is mounted to the dirty fluid inlet.

Abstract: An air inlet system (100) for an internal combustion engine includes an air filter (1) and a flow resistance means (2). The air filter (1) includes one or more filter elements (12), an interior chamber (3) and a suction opening (6). The suction opening (6) is provided to connect the interior chamber (3) to a suction channel (7) of an engine. During operation of the engine, the combustion air flows through the one or more filter elements (12) into the interior chamber (3) and from the interior chamber (3) into the suction channel (7). Further, the interior chamber (3), the suction opening (6) and the suction channel (7) together define a combustion air flow path. The flow resistance means (2) is provided in the combustion air flow path. During the operation of the engine, a portion of the combustion air flows through the flow resistance means (2).

Abstract: A hand vacuum cleaner is provided with a wand mounted to the dirty fluid inlet of the hand vacuum cleaner and the wand has a distal inlet that is mounted on a surface cleaning head. The hand vacuum cleaner has a cyclonic cleaning stage and a handle wherein the handle has a handle portion that extends upwardly when the hand vacuum cleaner is positioned on a horizontal surface. The handle portion is positioned rearward of the first cyclonic cleaning stage whereby a portion of the cyclone chamber is positioned between the dirty fluid inlet and the handle portion.

Abstract: A hand vacuum cleaner is provided with a wand mounted to the dirty fluid inlet of the hand vacuum cleaner and the wand has a distal inlet that is mounted on a surface cleaning head. The hand vacuum cleaner has a cyclonic cleaning stage and the passage defined by the dirty fluid inlet is parallel to the axis of the fluid flow motor.

Abstract: A hand vacuum cleaner is provided with a wand mounted to the dirty fluid inlet of the hand vacuum cleaner and the wand has a distal inlet that is mounted on a surface cleaning head. The hand vacuum cleaner has a cyclonic cleaning stage. Fluid exiting the wand travels directly into the dirty fluid inlet and, from the dirty fluid inlet, directly into the cyclone chamber.

Abstract: A hand vacuum cleaner is provided with a wand mounted to the dirty fluid inlet of the hand vacuum cleaner and the wand has a distal inlet that is mounted on a surface cleaning head. The hand vacuum cleaner has a cyclonic cleaning stage and the fluid flow motor is displaced vertically with respect to dirty fluid inlet.

Abstract: An anti-clogging filter system for filtering a fluid containing large particles and small particles includes an enclosure with at least one individual elongated tubular filter element in the enclosure. The individual elongated tubular filter element has an internal passage, a closed end, an open end, and a filtering material in or on the individual elongated tubular filter element. The fluid travels through the open end of the elongated tubular element and through the internal passage and through the filtering material. An anti-clogging element is positioned on or adjacent the individual elongated tubular filter element and provides a fluid curtain that preferentially directs the larger particulates to one area of the filter material allowing the remainder of the filter material to remain more efficient.

Abstract: A motor, fan and cyclonic separation apparatus arrangement for a vacuum cleaner, the arrangement 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, wherein the cyclonic separation apparatus comprises: a plurality of cyclones each with an air inlet port and an air outlet port wherein the cyclones are arranged in a generally circular array about a central axis of the cyclonic separation apparatus; and a cooling air flow path, wherein the motor is nested within the generally circular array of cyclones and wherein the motor is located in the cooling air flow path. A vacuum cleaner comprising the motor, fan and cyclonic separation apparatus arrangement.

Abstract: A cyclone for separating solid particles from an exhaust gas flow includes a housing with a jacket area that is cylindrical at least in some sections, with a cover area, and with a bottom area. An exhaust gas line opens into an inlet opening and is for an exhaust gas flow mixed with solid particles. A discharge opening is for the solid particles separated from the exhaust gas flow. An immersion pipe has a penetration area passing through the housing and has an open end area protruding into the interior of the housing and used as an outlet opening for the purified exhaust gas flow from the housing. At least one pure gas line supplies pure gas, creating a second boundary layer flow to replace a first boundary layer flowing having an increased concentration of solid particles.

Abstract: A versatile compact air precleaner, air cleaning method and disposable air filter cartridge for air precleaner for separating heaver-than-air particulate debris from debris laden air to provide a clean airflow, wherein a flow path for air passing through a separator chamber of the air precleaner is retroflexed en route to the outlet. A plurality of independently rotatably adjustable housing sections of a housing provide utility with multiple clean air outlet configurations, freedom of direction of ejection of particulate debris from the ejector ports, different inlet configurations, mounting of the precleaner from different sides, accommodation of different sizes of filters, and different clean airflow rate capabilities. A separator chamber end section including the ejector ports is connected to the filter as a removable, disposable air filter cartridge to obviate ejector port clogging with change of filters.

Abstract: A purification arrangement for a gas pipeline system includes a pressure vessel and at least a modular separator assembly and a modular filter assembly in the interior of the pressure vessel. A gas flow may be established through the pressure vessel, and the gas may pass through the modular separator and filter assemblies to remove liquid and/or solid particulates from the gas.

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: A latch mechanism for a dirt cup of a vacuum cleaner. The latch mechanism can include a first sloped portion provided on a mounting structure for receiving a dirt cup and a filter housing in supporting relationship to the vacuum cleaner and a second sloped portion on the filter housing corresponding to the first sloped portion. Movement of the filter housing in a first direction relative to the mounting structure as the first and second sloped portions bear against each other results in the movement of the filter housing, and thus the dirt cup, in a second direction transverse to the first direction relative to the mounting structure.

Abstract: A filter device for cleaning a gas flow has a hollow cylindrical pre-separator on whose outer side guide vanes are arranged. At least a portion of the guide vanes is provided with a rib that protrudes over the guide vane surface.

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

Abstract: A filter element has a filter body having a longitudinal axis, wherein the filter body has a first end with a first end face and a second end with a second end face opposite the first end in direction of the longitudinal axis. The filter body is provided with inner and outer circumferential surfaces permeable for a medium to be filtered. A first end disk is arranged at the first end face and a second end disk is arranged at the second end face. The outer circumferential surface of the filter body has at least one fluid-tight area that is impermeable for the medium to be filtered. The fluid-tight area is an incoming flow protector or an improper handling protector resting on the outer circumferential surface.

Abstract: A filter system for intake air of an internal combustion engine has a housing with a cover. A filter element is arranged in the housing. An inlet feeds a medium to be filtered into the housing and an outlet discharges the medium from the housing. The filter element has a filter body with first end face and opposite second end face. The filter element has an open first end plate at the first end face and a second end plate at the second end face. A support tube is arranged concentrically about a longitudinal axis in the housing and attached with a first end to the housing. The support tube is arranged in the interior of the filter element and radially supports the filter body. The second end plate rests on the second end of the support tube and on an inner cover contour of the cover with anti-rotation action.

Abstract: A particle collection apparatus is disclosed. The apparatus includes a baghouse housing comprising an entrance port, a collection port, a baghouse configured between the entrance port and the collection port, and a vacuum port coupled to the baghouse. The apparatus also includes a collection mechanism coupled to the collection port; and, a compression mechanism coupled to the baghouse.

Abstract: An inertial separation air precleaner system includes a replaceable insert removably mounted to the precleaner and altering air flow velocity through the precleaner by changing flow area of the flowpath through the precleaner housing. The replaceable insert is replaceable with a different insert for the same precleaner housing, which different insert provides a different flow area through the precleaner housing, enabling a selectable precleaner efficiency vs. restriction trade-off as chosen by a user for a particular application, enabling tuning of precleaner performance by the user.

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: A purification arrangement for a gas pipeline system includes a pressure vessel and at least first and second purification assemblies in the interior of the pressure vessel. An openable/closable barrier is positioned in the pressure vessel between the first and second purification assemblies. A gas flow may be established through the pressure vessel, and the gas may pass through the first purification assembly, the open barrier, and the second purification assembly to remove liquid and/or solid particulates from the gas.