Abstract: Provided is a canister including at least one chamber and a resin member. The resin member is arranged in an object chamber, which is any of the at least one chamber. An adsorbent arranged in the object chamber is formed as a plurality of granular bodies. The resin member is an integrally formed member of resin, and includes a coupling member and at least one rod-shaped unit. The at least one rod-shaped unit includes a plurality of rod-shaped portions extending from the coupling member in a direction substantially parallel to a direction intersecting a gas flow direction in the object chamber at an angle of 45° or more and 90° or less.

Abstract: The invention relates to an oil separating device (10) for crankcase ventilation of an internal combustion engine, comprising a carrier (11) comprising a gas inlet line (12) for flowing blow-by gas (13) having an inlet end and an outlet end, and a gap-defining element (15), wherein at least one annular gap (5, 6) is formed or can be formed between the gap-defining element (15) and the outlet end of the gas inlet line (12). A baffle wall (7, 8) is arranged downstream of the annular gap (5, 6). The oil separating device (10) comprises a circumferential wall (18), which surrounds the outer circumference of the gap-defining element (15) and is fixed relative to the carrier (11).

Abstract: A device for transporting and storing a grass catcher on a commercial lawn mower, includes a mounting unit that includes a top plate for mounting to a top planar surface on the front portion of the commercial lawn mower; a support strut extending upward from the mounting unit; and a horizontal arm extending perpendicularly from a top end of the support strut. The horizontal arm includes a first retaining element and a second retaining element separated a distance therefrom, the first retaining element configured for retaining the first mounting element of the grass catcher and the second retaining element configured for retaining the second mounting element of the grass catcher for transport. The device positions the grass catcher on the front of, within a width of, and sufficiently raised above the cutting deck of the lawn mower for safe transport.

Abstract: A fuel vapor processing apparatus includes a casing, an adsorbent, and a mixer. The casing includes an atmospheric port and a purge port. In addition, the casing forms an atmospheric port-side adsorption chamber, an agitation chamber, and a purge port-side adsorption chamber therein. The atmospheric port-side adsorption chamber, the agitation chamber, and the purge port-side adsorption chamber are continuously arranged in a gas flow direction from the atmospheric port through the casing to the purge port. The adsorbent fills the atmospheric port-side adsorption chamber and the purge port-side adsorption chamber. The adsorbent is configured to adsorb and desorb fuel vapor. The mixer is disposed in the agitation chamber and includes a spiral flow forming part configured to spirally guide gas flowing through the agitation chamber.

Abstract: A separator includes: a filter device that receives oil-containing blow-by gases from an engine and separates at least a portion of oil from the oil-containing blow-by gases, the oil-containing blow-by gases being generated by the engine; a screen extending from the filter device in a direction transverse to a vertical direction with respect to the engine; a drain hole vertically penetrating below the screen to allow the separated oil to be discharged by gravity; and a gas outlet disposed above the screen to discharge the separated blow-by gases.

Abstract: A vacuum cleaner includes a power head, a dirt collector, and an attachment plate. The power head includes an inlet, an outlet, and a suction source. The suction source is operable to draw air in through the inlet. The dirt collector includes a first wall that at least partially defines an internal volume. The first wall includes an opening that communicates between the internal volume and an external environment. The attachment plate removably couples the power head to the dirt collector. The attachment plate is coupled to the first wall of the dirt collector adjacent the opening and between the suction source and the dirt collector. The attachment plate includes an inlet opening and an outlet opening. The inlet opening and the outlet opening communicate between the internal volume and the external environment. The dirt collector is configured to be discarded.

Abstract: Applicant has created vacuum apparatuses with improved stability and methods for improving the stability of a wet/dry vacuum. In one embodiment, the apparatus includes a motor, a removable drum adapted to store debris collected by the apparatus, and a base that can be adapted to receive the removable drum. The motor can be adapted to be interposed between the removable drum and the base. The methods can include the step of providing a base, the step of providing a removable drum adapted to be coupled to the base, and the step of coupling a vacuum motor to the base such that the vacuum motor is adapted to be disposed beneath the removable drum when the drum is coupled to the base. By relocating the motor of vacuum apparatus beneath the drum, the vacuum's center of gravity can be lowered significantly and, thus, its propensity to tip over is minimized.

Abstract: This device is intended to separate oil droplets from a gas stream and comprises an inlet wall (2) having at least one inlet opening in which there is disposed a propeller for accelerating and radially orienting the gas stream and at least one retaining wall (3) having at least one retaining medium disposed facing a propeller (8). Advantageously, the inlet wall (2) and the retaining wall (3) are linked by a hinge allowing the retaining wall (3) to be folded against the inlet wall from an unfolded production configuration to a folded use configuration.

Abstract: Apparatus and methods are disclosed of a welding-type system includes a welding-type power supply configured to provide welding-type power. A reel located within a housing of the welding-type power supply. A welding-type cable, the reel configured to wind the welding-type cable to reduce a length of the welding-type cable extending from the housing, and to unwind to increase a length of the welding-type cable extending from the housing at least partially wound around the reel when stored. The welding-type cable includes a first end secured to the reel and electrically connected to the welding-type power supply and a second end configured to provide the welding-type power to at least one welding-type tool.

Abstract: An apparatus is disclosed including an encasement defining a gas inlet to receive a gas stream and a gas outlet to release the gas stream. The apparatus further includes a vertical baffle attached to an encasement top within the encasement, the vertical baffle in contact with at least one horizontal baffle, the baffles separating the encasement into at least one chamber. The gas stream passes through the at least one chamber through perforations on the at least one horizontal baffle, and particulates from the gas stream are deposited on the encasement or the baffles.

Abstract: A filter apparatus for filtering a stream of gas is disclosed. The apparatus has a head with an inlet and an outlet, the head also having a first flow conduit connected to the inlet and a second flow conduit the outlet. The apparatus also has a filter and a bowl which contains the filter and is connected to the head. The bowl an annular recess. There is also a connector for connecting the filter to the head and the bowl. The part of the connector that engages the bowl has a protrusion that is inserted into the recess.

Abstract: A thermal valve unit is provided for use with an oil filled screw compressor. The thermal valve unit can be affixed to an exterior pipe segment and can include a thermally responsive element in thermal communication with compressed air traversing through the pipe segment. The valve unit can include a movable valve member actuated by the thermally responsive element that opens and closes oil passages to selectively route oil either to a heat exchanger prior to being delivered to the oil filled compressor, or directly to the compressor without passing through the heat exchanger.

Abstract: The dust separation apparatus includes a dust intake unit including a blower, an inertial separation unit, a centrifugal separation unit, and a filtering separation unit. The dust intake unit, the inertial separation unit, the centrifugal separation unit, and the filtering separation unit are sequentially connected in series and together form a horizontal structure. The inertial separation unit and the centrifugal separation unit are connected in a horizontal-axis direction to form an inertial and centrifugal separation unit. A dust collection box is provided below and connected to the inertial and centrifugal separation unit. The filtering separation unit includes a dust collection barrel. The intelligent control system includes the dust separation apparatus and an intelligent control unit.

Abstract: An automobile air conditioner allows two types of heating devices for air heating (a heater core 14 and a PTC heater 15) to be selectively mounted therein. A housing 2 of a HVAC unit 1 defines therein an air feed passage 3. Either of the heater core 14 and the PTC heater 15 is selectively mounted in the housing 2 through an insertion/ejection slot 32, which formed in a side surface the housing 2. The insertion/ejection slot 32 is formed so as to fit the heater core 14. The PTC heater 15 is housed in a frame 33 having an external dimension to fit into the insertion/ejection slot 32, and mounted in the housing 2 with the frame 33 interposed therebetween. The frame 33 has temperature sensor holders 34.

Abstract: An intake module of an air intake tract of an internal combustion engine is provided with an intake housing part that has at least one inlet for combustion air to be filtered and an outlet section. A filter housing part with an air filter element that filters the combustion air is provided. The filter housing part has an inlet section and at least one outlet for the filtered combustion air. An air connection between the outlet section of the intake housing part and an inflow side of the air filter element is provided. A fixed intake pipe part is arranged between the outlet section of the intake housing part and the inlet section of the filter housing part. The fixed intake pipe part at least partially forms the air connection between the outlet section of the intake housing part and the inflow side of the air filter element.

Abstract: The present application provides a refrigeration system with full oil recovery for removing oil from a flow of a refrigerant. The refrigeration system may include a compressor, an oil separator positioned downstream of the compressor to remove most of the oil from the flow of the refrigerant, a condenser positioned downstream of the oil separator, and a receiver positioned downstream of the condenser. The receiver may include a barrier to separate the oil on a first side from the refrigerant on a second side.

Abstract: A filter unit for a canister, which is disposed in a canister and removes foreign substances or powder in air flowing into or discharged from an air port may include a main filter that is a plate connected in a ring shape between an air port and activated carbon to pass air laterally, and configured to filter foreign substances or powder in air, and a top cover thermally bonded to a top of the main filter and configured to transversely distribute air flowing inside through the air port.

Abstract: A sample of a material is placed into a measuring cell of a calorimeter consisting of upper and the lower parts connected with each other by a movable detachable tight connection. The cell is equipped with two coaxially arranged tubes capable of independent connection to external devices. An outer tube is connected to the upper part of the cell and an inner tube is connected to the lower part of the cell via the movable detachable tight connection and is movable. At least once a contact of the sample with vapor of a liquid is provided and heat of adsorption is measured, then contact of the sample with the same or another liquid is provided and heat of wetting of the sample by the same or the other liquid is measured.

Abstract: An apparatus for separating a liquid from a mixed gas stream can include a wall, a mixed gas stream passageway, and a liquid collection assembly. The wall can include a first surface, a second surface, and a plurality of capillary condensation pores. The capillary condensation pores extend through the wall, and have a first opening on the first surface of the wall, and a second opening on the second surface of the wall. The pore size of the pores can be between about 2 nm to about 100 nm. The mixed gas stream passageway can be in fluid communication with the first opening. The liquid collection assembly can collect liquid from the plurality of pores.

Abstract: A scavenge tube is slidably attached to either a filter head housing or a liquid return port in a wall of a vessel. The scavenge tube can be slidably positioned to ensure that the tube is oriented within the area where the collected liquid will pool. In one example, the scavenge tube is slidably attached to the housing by way of being spring-biased. A slidable grounding tube is attached to an electrically grounded filter head housing and projects into a liquid collection region of a filter member and is in touching engagement with a metal portion of the filter member to ground the filter member to the filter head. In one example, the slidable grounding tube is spring-biased.

Abstract: An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner.

Abstract: An oil separator includes a casing that has an inlet for air and an outlet for air, and an impingement member that is provided inside the casing. Air that contains oil is introduced through the inlet into the casing and caused to strike the impingement member so that the oil is separated from the introduced air and is recovered. The outlet opens in the horizontal direction of the casing. The oil separator further includes an L-shaped elbow member that is attached to the outlet. The elbow member protrudes in the horizontal direction from the outlet and is bent upward.

Abstract: The present invention pertains to a device for cleaning gases containing particles with a bellows and with at least one filter element arranged in the bellows. To ensure effective filtration without limitation of the mobility of the bellows, the present invention provides for at least one filter element to be fixed at a bellows inner flange of a bellows corrugation in a positive-locking manner.

Abstract: A desanding system has an elongated vessel that is tilted at a non-zero inclination angle. A fluid inlet at the vessel's upper end discharges a gas stream having entrained liquids and particulates and a fluid outlet into a freeboard portion formed adjacent an upper portion of the vessel above a gas/liquid interface formed below the fluid outlet. A belly storage portion is formed below the interface. The freeboard portion of the vessel has a freeboard cross-sectional area that diminishes along the interface from the fluid inlet to a fluid outlet spaced away from and lower than the fluid inlet. The cross-sectional are of the freeboard portion causes precipitation of the entrained liquids and particulates therefrom and collect in the belly portion of the vessel. A desanded gas stream, being free of a substantial portion of the particulates is removed from the vessel through the fluid outlet.

Abstract: A fracking trailer includes a particulate storage enclosure to receive a mixture of particulate and air in an interior of the particulate storage enclosure having a front end and a rear end. The fracking trailer also includes a filtration system connected to the particulate storage enclosure at the front end to filter particulate from the air in the mixture and exhaust filtered air.

Abstract: An air and moisture separator for use with a waste tank and a vacuum source has a canister securable to the waste tank and having an inlet couplable to the waste tank and an outlet couplable to the vacuum source. An air flow path extends through the canister and through at least three different stages of air and moisture separation, including: a first air-turning stage coupled to the inlet; and a second stage of mesh or foam coupled to and subsequent to the first air-turning stage in the air flow path. An annular mesh or foam of greater density defines a third stage subsequent to the second stage, and circumscribes at least a majority of a circumferential perimeter of the mesh or foam of the second stage.

Abstract: A device for separating liquid from gas in a well flow when compressing the well flow comprises a liquid separator having an inlet for the well flow, an outlet for gas and an outlet for liquid. According to the invention separated liquid from the liquid separator is fine-divided in connection with the liquid outlet, and fine-divided liquid is supplied into the gas outlet at a mixing point downstream the liquid separator and upstream a compressor.

Abstract: A system includes a processing system in which a liquid is used in processing such that at least a portion of the liquid becomes suspended in a gas and a liquid collection system in fluid connection with the processing system to decrease the amount of liquid in the suspension of the liquid in the gas. The liquid collection system includes a centrifugal pump (or blower) including a housing and a rotatable impeller within the housing. The housing also includes an inlet port and an outlet port in fluid connection therewith. The liquid collection system further includes a liquid collection device in fluid connection with the outlet port. The liquid collection device includes a gas outlet channel in fluid connection with the outlet port and a liquid outlet port spaced from the gas outlet channel and adjacent an inner surface of the housing of the centrifugal pump. The system may further include a container in fluid connection with the liquid outlet port to contain liquid (separated from the gas).

Abstract: A suction unit of a vehicle's air conditioning system has an air flow canal (16), which features a suction opening (18) for fresh air as well as a fan housing (28), which possesses an air inlet (29) and an air outlet (31). The air outlet ending (33) of a water separation chamber (42) is directly limited by an air filter (34), which is positioned upstream from the fan housing (28).

Abstract: A water electrolysis system includes a high-pressure water electrolysis apparatus and a gas-liquid separation device. The gas-liquid separation device includes a block member which includes a gas-liquid separation opening and a water-level detection opening. The gas-liquid separation opening and the water-level detection opening extend substantially vertically and includes respective bottom portions which integrally communicate with a discharge pipe. The discharge pipe is disposed at a lower side portion of the block member. The water-level detection opening includes a top portion and a top water-level detection section. The block member further includes an inlet hole in which the hydrogen is introduced from the high-pressure water electrolysis device. The inlet hole is disposed at an upper side portion of the block member. The inlet hole is positioned above the top water-level detection section of the water-level detection opening.

Abstract: An engine crankcase breather for oil segregation, from blow-by gases, in an engine. The engine crankcase breather includes a housing with an inlet located in a downstream direction of the blow-by gases and an outlet. The breather also includes a baffle within the housing which poses a tortuous path for the blow-by gases, in order to segregate oil particles from the blow-by gases. The baffle includes a hook-shaped portion, in which the oil segregation takes place. The engine crankcase breather further includes a trough extending within the housing. The trough is aligned with the hook-shaped portion of the baffle, to collect the segregated oil from the blow-by gases.

Abstract: A method and system for expanding, separating, and compressing a multi-phase fluid. An expander receives and expands the multi-phase fluid to generate a lower-pressure fluid which can more efficiently be separated in a separator. Expanding the fluid also drives a main shaft adapted to drive at least the separator and a compressor coupled thereto. The separator receives the lower-pressure fluid, separates any higher-density components from the lower-density components disposed therein, and provides a substantially dry gas to the compressor to be re-compressed and discharged from the system.

Abstract: A medical fluid filter system is provided having a housing having: a liquid trap chamber having a volume; a filter media chamber; a filter media arranged within the filter media chamber; the liquid trap chamber having a liquid trap outlet port in fluid communication with the filter media chamber; the liquid trap outlet port configured and arranged within the liquid trap chamber to inhibit flow of liquid from the liquid trap chamber to the filter media chamber and configured and arranged to allow gas to flow from the liquid trap chamber to the filter media chamber; a filter system inlet passing through the housing for intake of fluid originating from a surgical site; and a filter system outlet passing through the housing for fluid exhaust.

Abstract: Embodiments of the present invention provide an inertial filtration system for air-ingesting machines. The inertial filter 100 may comprise a reducer 133 downstream of a vortex generator. The reducer 133 decreases the area that the airstream flows through, which may increase the angular momentum and the centrifugal forces acting on the particles of the ingested airstream. This may increase the cleaning performance and a decrease in the pressure drop across the inertial filter 100. Generally, the inertial filter functions such that flow components of higher density are separated from the rest of the airstream. The higher density flow components are bled out of the inertial filter 100 via an outlet 135. The remaining flow components flow downstream to compressor section 535.

Abstract: Provided is a gas isolation valve which separates reactive materials, principally gases, contained in a high temperature reactor from the surrounding atmosphere. The valve is of modular construction with each module having a gas providing section and a gas removal section. Any number of modules can be provided in series. A central chamber, open at each end gives unimpeded access to the high temperature reactor. It is through the central chamber that the product of the reactor is removed and harvested. In the case of Ilas invention the product is carbon nanotubes.

Abstract: A liquid phase separator assembly permits the separation of a high pressure gas phase from a liquid phase through a controlled expansion of the gas phase with the successful agglomeration and separation of the liquid phase all within a single unit. This complete separation of the gas phase facilitates the removal of the gas by venting. The complete separation of the liquid phase optimizes the solvent recovery/cleaning by processing the liquid phase through an engineered media. The liquid phase separator assembly incorporates an internal chamber for decompression and separation as well as for containing a media for purifying the liquid phase, thus reducing overall cost and complexity.

Abstract: The present invention pertains to a device for cleaning gases containing particles with a bellows and with at least one filter element arranged in the bellows. To ensure effective filtration without limitation of the mobility of the bellows, the present invention provides for at least one filter element to be fixed at a bellows inner flange of a bellows corrugation in a positive-locking manner.

Abstract: A filtration system has a blowdown conduit and a filter unit. The blowdown conduit is adapted to be operably connected with a gas compressor station. The filter unit includes a filter housing, an inlet port, a pollution filter positioned within the filter housing to remove the pollutants from the vented gasses entering through the inlet port, and an exit port enabling the vented gasses to exit the filter housing once the pollutants have been removed by the pollution filter.

Abstract: To improve the separation efficiency of a gas-liquid separator in the gas-liquid separator and an air conditioner, the gas-liquid separator having a vessel with an inlet pipe and an outlet pipe is arranged such that an exit end section of the inlet pipe is formed to be closed or to have a gap, an expanded end section having a width greater than the diameter of that portion of the inlet pipe which crosses a container of the gas-liquid separator is provided, and that a lateral hole is formed in a side face of the expanded end section. Refrigerant vapor and refrigerant liquid are efficiently separated from each other at the expanded end section, and this improves separation efficiency of the gas-liquid separator.

Abstract: A method for separating mixed granular material based upon dissimilar specific gravities, (such as in firearm range cleaning) thereby separating lead from backstop material. Lead falling from an airstream is airwashed by an upwardly directed second airstream. The preferred method is performed under negative pressure to control lead dust. Application to pick up and clean or recover fouled ballast rock (such as used in the rail industry). Processes and apparatus are disclosed that pick up and clean or enrich precious metal bearing ore.

Abstract: A system for depressurizing and cooling a high pressure, high temperature dense phase solids stream having coarse solid particles with entrained gas therein. In one aspect, the system has an apparatus for at least partially depressurizing and cooling the high pressure, high temperature dense phase solids stream having gas entrained therein and a pressure letdown device for further depressurization and separating cooled coarse solid particles from a portion of the entrained gas, resulting in a lower temperature, lower pressure outlet of solid particles for downstream processing or discharge to a storage silo for future use and/or disposal. There are no moving parts in the flow path of the solids stream in the system.

Abstract: A device and process for separating liquid and gas phases in a flowstream containing a liquefied gas or supercritical fluid under pressure mixed with a liquid. A splitter vessel separates the liquid from gas phases and transfers liquid to a collection container while conducting the gas phase out of the splitter. Separation of liquid phase out of the flowstream is provided without additional pressure schemes or solvent extractions imposed on the stream.

Abstract: Embodiments of the present invention provide an inertial filtration system for air-ingesting machines. The inertial filter 100 may comprise a reducer 133 downstream of a vortex generator. The reducer 133 decreases the area that the airstream flows through, which may increase the angular momentum and the centrifugal forces acting on the particles of the ingested airstream. This may increase the cleaning performance and a decrease in the pressure drop across the inertial filter 100. Generally, the inertial filter functions such that flow components of higher density are separated from the rest of the airstream. The higher density flow components are bled out of the inertial filter 100 via an outlet 135. The remaining flow components flow downstream to compressor section 535.

Abstract: A system for depressurizing and cooling a high pressure, high temperature fine solid particles stream having entrained gas therein. In one aspect, the system has an apparatus for cooling the high pressure, high temperature fine solid particles stream having entrained gas therein and a pressure letdown device for depressurization by separating the cooled fine solid particles from a portion of the fine solid particles stream having entrained gas therein, resulting in a lower temperature, lower pressure outlet of solid particles for disposal or handling by downstream equipment.

Abstract: An air separator and purifier device, structured to mainly include a main air extractor installed within a cylindrical housing, an air inlet and an air vent are provided in the upper and lower ends of the housing respectively to form a filter passageway, and filtering equipment is installed in the filter passageway. The air separator and purifier device is characterized in that: the housing includes an upper cylindrical body and a lower cylindrical body; a partition plate is located between the upper and lower cylindrical bodies; a round hole defined in the center of the partition plate connects with an air suction port of the main air extractor installed within the lower cylindrical body; and a preseparation structure and an air filter screen are installed within the upper cylindrical body and the lower cylindrical body respectively.

Abstract: An air cleaner including a front housing, a rear housing, and a filter. The filter includes a plurality of parallel folds and partitions a pre-filtering chamber and a post-filtering chamber. The air cleaner circulates air, which enters the pre-filtering chamber through an inlet port, to the post-filtering chamber to filter the air. The pre-filtering chamber includes a diffusion zone located outward from an end of the filter in a folding direction of the filter. The inlet port extends in a direction orthogonal to the folding direction of the filter along a plane parallel to the filtering surface of the filter and opens in the diffusion zone.

Abstract: An agglomerate removal device for removing agglomerated particles from a solids-containing stream. The agglomerate removal device can include an agglomerate capture device and an agglomerate withdrawal device. In one embodiment, the agglomerate removal device can be utilized in a process for desulfurizing gasoline or diesel streams in order to remove at least a portion of the agglomerated sorbent particles exiting the fluidized bed regenerator.

Abstract: Separating a mixture comprising at least two solid materials comprises transporting the mixture into a plenum, introducing air into the plenum, removing a heavier fraction of the solid materials from the plenum, removing air having a lighter fraction of the solid materials entrained therein from the plenum, removing the lighter fraction of the solid materials from the air that is removed from the plenum, filtering the remaining air, and re-circulating the air back to the plenum. Valves at the locations where material is introduced to and removed from the system can prevent air flow therethrough while allowing the materials to pass. The air can be introduced into the plenum at an angle with respect to the pathway in which the heavier fraction of the materials falls through the plenum, thereby avoiding damage to a screen that diffuses the air being introduced into the plenum.

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: Methods and apparatus are disclosed that pick up and clean landscape rock using air under vacuum pressure. This apparatus provides a means for cleaning and reusing rock that has become aesthetically unattractive instead of removing the old landscape rock and replacing it with new rock. The invention also includes a device for separating debris from the vacuum airstream. This device may be used in combination with the device for picking up and cleaning landscape rock or may be used independently.