Abstract: A cyclonic chiller-separator, including a vertically oriented treatment tower defining an interior space and having an exhaust inlet disposed in an upper portion, and a chimney with an exhaust outlet; an exhaust stream conduit in fluid communication with said interior volume of said treatment tower through said exhaust inlet, wherein said exhaust inlet is configured to induce cyclonic fluid motion in an exhaust stream entering said interior volume; a coolant water source; and a plurality of nozzles disposed about interior walls of said treatment tower and in fluid communication with said coolant water source for spraying cooling water into said interior volume above and into an exhaust stream introduced into said interior volume so as to cool, condense, and precipitate volatile organic compounds and organic acids, and to entrain and remove particulates from the exhaust stream.

Abstract: A surface cleaning apparatus having an upright section moveable relative to a surface cleaning head between a storage position and a rearwardly reclined floor cleaning position. The upright section comprising a removable hand vacuum cleaner. The hand vacuum cleaner is operable in a first mode of operation in which the surface cleaning apparatus is operated to clean a floor, the inlet of the hand vacuum cleaner is in flow communication with the surface cleaning head air outlet and the air treatment member of the hand vacuum cleaner is operable to treat air drawn in through the dirty air inlet of the surface cleaning head. The hand vacuum cleaner is also operable in a second mode of operation in which the hand vacuum cleaner is operable to directly clean a floor or the air inlet of the hand vacuum cleaner is directly connected to the downstream end of an accessory tool.

Abstract: The invention relates to a method for assembling a bipolar membrane, and bipolar membrane thereof. The method comprises the steps of electrospinning and centrifugal spinning and electrocentrifugal spinning a first cation exchange layer comprising a first water splitting catalyst and a first cation exchange polymer, electrospinning and centrifugal spinning and electrocentrifugal spinning a junction layer. Further, the method comprises electrospinning and centrifugal spinning and electrocentrifugal spinning a first anion exchange layer comprising a second water splitting catalyst and a first anion exchange polymer. A system comprising a bipolar membrane according to the invention is also disclosed.

Abstract: Blowdown valves and associated methods for separating oil and air in a lubrication system of an aircraft engine are provided. A method includes receiving a mixture of air and oil at a blowdown valve including a valve member movable between a valve-closed position and a valve-open position. With the valve member in the valve-open position, the method includes impinging the mixture against the valve member. A first portion of the mixture having a first fraction of oil is released from the blowdown valve upstream of the valve member. A second portion of the mixture having a second fraction of oil greater than the first fraction of oil is guided around and past the valve member. The second portion of the mixture is released from the blowdown valve downstream of the valve member.

Abstract: A filter for a pulsed laser deposition device includes a housing with two pass-through openings arranged in the housing wall and forming a pass-through channel for passing at least part of the plasma plume through the housing, which pass-through channel extends from one side of the housing to an opposite side of the housing, at least one primary blade arranged at a distance from and rotatable around a rotation axis, with the path of the at least one primary blade intersecting with the pass-through channel and with the at least one primary blade having a contact surface for contact with the plasma plume, and a drain channel connecting to a drain opening arranged in the housing wall.

Abstract: An air-conditioning system is provided that may include a plurality of air-processing apparatuses, each of which includes an inlet formed in one surface thereof that extends perpendicular to a floor or a ceiling and a pre-filter disposed in the inlet, and a filter cleaner configured to clean at least one of pre-filters provided in the plurality of air-processing apparatuses while automatically moving when at least one of the plurality of air-processing apparatuses stops operating.

Abstract: A mist eliminator profile includes a plurality of vane profiles arranged in parallel with one another and at a distance from one another and at least one separation zone. The separation zone includes a plurality of embossed portions and is configured for removing liquid droplets from a gas flowing along the vane profile. The plurality of embossed portions are produced by a roll forming procedure and the direction of the vane profile changes direction after at least one of the embossed portions. The plurality of embossed portions include a rounded shape so that all directional changes of the vane profile are formed by one of the plurality of embossed portions.

Abstract: A gas deflector contains: a body and a guide unit. The body includes at least one inflow orifice, at least one outflow orifice, and multiple suction orifices. The guide unit includes a support plate, a through orifice, a conduct assembly, a collection assembly including a collecting channel, and a spray orifice. The conduct assembly includes two guiders, a drain orifice extending along the conduct assembly and corresponding to the through orifice and the collecting channel. The collection assembly corresponds to the drain orifice, and the collection assembly includes at least one collector sheet fixed on a bottom of the conduct assembly, and at least one gas conducting element received in the collecting channel. Furthermore, an exhaust channel is defined among the body, the collection assembly and the support plate, and the exhaust channel is in communication with at least one suction orifice of the multiple suction orifices.

Abstract: A hand vacuum cleaner comprises a cyclone, a conical pre-motor filter that is positioned rearward of the cyclone and a suction motor. The pre-motor filter has a front end that faces that faces towards the cyclone air outlet. The conical pre-motor filter has an open interior volume, an outer surface, which is an upstream surface of the pre-motor filter, and an inner surface, which is a downstream surface of the pre-motor filter.

Abstract: A dust collection device and method for filtering powder from powder-filled air in a food product processing system. The dust collection device includes a venturi mixer having an inlet for receiving powder-filled air, a liquid inlet for receiving liquid, and a nozzle. The nozzle is arranged to eject the liquid into a mixing zone of the venturi mixer. The powder-filled air and the liquid meet in the mixing zone to form a liquid mixture. The dust collection device includes a chamber that receives the liquid mixture from the mixing zone, a recirculation line that feeds the liquid mixture back to the liquid inlet of the venturi mixer, and an air outlet that discharges air from the chamber.

Abstract: A system for separation of gas and solid at least comprises a cyclone trapping device and a negative pressure waste gas treatment device. The cyclone trapping device has a gas inlet and outlet chamber and a cyclone separation chamber communicating with each other, and the gas inlet and outlet chamber has a gas inlet tube communicating with a process waste gas source and a gas outlet tube communicating with the negative pressure waste gas treatment device. A process waste gas generated by the process waste gas source is introduced into the gas inlet and outlet chamber through the gas inlet tube to generate cyclones, thereby separating a portion of solid particles from the process waste gas, and transmitting the process waste gas to the negative pressure waste gas treatment device through the gas outlet tube in order to further separate the remaining solid particles from the process waste gas.

Abstract: Hydro excavation vacuum apparatus that process spoil material onboard the apparatus by separating water from the cut earthen material are disclosed.

Abstract: A air cleaner includes a blowing device and a circulator movably disposed above the blowing device. The circulator includes a housing extending in a front-rear direction, a first inlet being formed in a rear portion of the housing and a first outlet being formed in a front portion of the housing, a circulation fan disposed in the housing to suction air through the first inlet and then discharge the air through the first outlet to a front of the housing, and a motor rotating the circulation fan. The first inlet is disposed above a second outlet of the blowing device inside an imaginary extension surface vertically extending an edge of the second outlet, and has a diameter smaller than a diameter of the second outlet, thus suctioning air discharged from the second outlet and increasing an intake ratio of clean air that undergoes a cleaning operation of the blowing device.

Abstract: A separating device includes a casing, a rotor, and a blade. The casing has a gas inlet, a gas outlet, and a discharge port for solid substances. The rotor is disposed on an inner side of the casing and is configured to be rotatable around a central axis of rotation of the rotor, the central axis of rotation extending along an axial direction of the casing. The blade is disposed between the casing and the rotor and is configured to rotate together with the rotor. The blade has a first end adjacent to the gas inlet and a second end adjacent to the gas outlet. The casing has a space between the second end of the blade and the discharge port in the axial direction.

Abstract: A surface cleaning apparatus comprises a cyclone chamber having a cyclone bin assembly comprising a cyclone chamber positioned in the air flow path, the cyclone chamber has a cyclone air inlet, a cyclone air outlet, a cyclone chamber front end, a cyclone chamber rear end, a cyclone chamber sidewall extending between the front and rear ends of the cyclone chamber and a cyclone axis of rotation that extends in a forward/rearwards direction. The front end of the cyclone chamber has a front height in a direction transverse to the cyclone axis of rotation that is less than a rear height of the cyclone chamber in the direction transverse to the cyclone axis of rotation.

Abstract: A hand vacuum cleaner has a cyclone assembly comprising a cyclone and a dirt collection chamber. The cyclone assembly has a cyclone assembly axis extending centrally between a front end of the cyclone assembly and a rear end of the cyclone assembly. The cyclone has a horizontally extending cyclone axis and the dirt collection chamber has a lower end which is at a lower elevation than a lower end of the cyclone chamber. A line that extends in a common direction with the cyclone assembly axis intersects the dirt collection chamber at an elevation below the cyclone chamber, a pre-motor filter and a handle of the hand vacuum cleaner.

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 inertial separator including an inlet tube with an undercut, an outlet tube with a spiral ramp, and a scavenge flow outlet, is disclosed.

Abstract: An inertial separator including an inlet tube with an undercut, an outlet tube with a spiral ramp, and a scavenge flow outlet, is disclosed.

Abstract: Techniques for humidifying a gas stream using a hydration system includes directing a gas stream through a contact zone of at least one hydration system; directing a hydration solution into the contact zone using a pump; contacting the gas stream with the hydration solution; evaporating water from the hydration solution into the gas stream to form a humidified gas stream, transporting the humidified gas stream out of the at least one hydration system; and collecting the remaining hydration solution in a hydration solution collection basin below the contact zone. The at least one hydration system is fluidly coupled to at least one downstream process and the humidified gas stream from the at least one hydration system is transported as a feed stream to the at least one downstream process.