Abstract: A filter support for a handheld power tool includes at least one filter support element, a first fastening element, and a second fastening element. The filter support element includes at least one receiving opening configured to receive a filter element. The filter elements of the filter support are preferably associated with air inlet openings of the handheld power tool and are configured to filter dust particles and/or material particles from a cooling air flow. The filter support can be fastened to a handheld power tool via the first and second fastening elements. The first and the second fastening elements of the filter support can be connected to each other. Advantageously, no fastening elements are provided on the handheld power tool.

Abstract: The present disclosure provides a system and method for removing a residual pressure of compressed air in a motor driven air compressor management system applied to an eco-friendly vehicle. That is, the present disclosure provides a system and a method for removing a residual pressure in a motor driven air compressor management system, which allow a continuous smooth operation of a motor driven air compressor by easily removing a residual pressure of compressed air before a subsequent operation of the motor driven air compressor even though the residual pressure of the compressed air, which fills in an air tank during an operation of the motor driven air compressor, remains according to a tuning off of the motor driven air compressor.

Abstract: A self-closing filter includes a housing to be attached to a sidewall of a self-inflating pneumatic tire. The housing includes a cavity to be in fluid communication with an atmospheric air inlet of a pneumatic control valve for the self-inflating tire. The self-closing filter further includes a filtration media to block contaminants from entering the cavity while allowing atmospheric air to be drawn through the filtration media into the cavity by a pump of the self-inflating tire. The self-closing filter still further includes a valve attached to the housing. The valve is selectively actuatable to an open state and to a closed state. The filtration media is exposed to an atmosphere impinging upon the tire when the valve is in the open state. The closed state is to prevent exposure of the filtration media to the contaminants when the valve is in the closed state.

Abstract: The invention relates to an on-site medical gas production plant (100) comprising a unit (50) for purifying gas, such as air, a first compartment (A) for storing purified gas, and a main gas line (10) fluidically connecting the gas purification unit (50) to the said first storage compartment (A). It furthermore comprises a three-way actuated valve (VA) arranged on the main gas line (10) upstream of the first storage compartment (A), and furthermore connected to the atmosphere (at 12) via a vent line (11), as well as an operating device (4) which controls at least the three-way actuated valve (VA), and at least a first gas analysis device (D1) of which a first measurement line (29) is fluidically connected (at 28) to the main line (10), upstream of the three-way actuated valve (VA), and which is electrically connected to the said operating device (4).

Abstract: The invention relates to an on-site medical gas production plant (100) comprising a unit (50) for purifying gas, such as air, a first compartment (A) for storing purified gas, and a main gas line (10) fluidically connecting the gas purification unit (50) to the said first storage compartment (A). It furthermore comprises a three-way actuated valve (VA) arranged on the main gas line (10) upstream of the first storage compartment (A), and furthermore connected to the atmosphere (at 12) via a vent line (11), as well as an operating device (4) which controls at least the three-way actuated valve (VA), and at least a first gas analysis device (D1) of which a first measurement line (29) is fluidically connected (at 28) to the main line (10), upstream of the three-way actuated valve (VA), and which is electrically connected to the said operating device (4).

Abstract: The invention relates to a method for operating a plant (100) for on-site production of medical gas, such as air or oxygen, comprising a main gas line (10) comprising, in series, a first vessel (A) for storing gas and a second vessel (B) for storing purified gas, and a secondary line (20) fluidically connected to the main line (10), downstream of the first vessel (A) for storing gas, and comprising a third vessel (C) for storing gas, the main gas line (10) and the secondary line (20) each supplying at least one gas consumer site (30), in particular a network of pipes in a hospital.

Abstract: The present invention provides an air filtering system and method that continuously monitors and samples the air to measure the amount or concentration of suspended particulate matter in an area. Based on the information collected the air filtering system determines the need for and the amount and volume of air filtering that is required. In this way, the air filtering system only operates at the needed capacity to filter the air, and dynamically responds in real time to the fluctuating air contamination levels that occur during various work processes within the space, room or building.

Abstract: Various embodiments of the present disclosure provide a portable industrial air filtration device employing an annular dual filter assembly to capture and remove impurities from the air surrounding the air filtration device, enabling the air filtration device to quickly and efficiently improve the quality and safety of the air. The air filtration device includes a two-piece housing including a lower housing component and a locking cover removably attachable to the lower housing component. The dual filter assembly is mounted within the housing between the locking cover and the lower housing component, and includes a removable self-supporting outer pre-filter surrounding a separately removable inner HEPA filter. The pre-filter initially filters the surrounding air by capturing relatively large or coarse impurities, and the HEPA filter further filters the air pulled through the pre-filter by capturing relatively small or fine impurities.

Abstract: A sinter plant gas cleaning system includes a fabric filter device for removing dust particles from a process gas drawn from a sinter strand of a sinter plant. A duct is adapted to allow the process gas drawn from the sinter strand to pass by the fabric filter device. A measurement device measures a concentration of organic compounds of the process gas drawn from the sinter strand. A control system receives a signal from the measurement device and controls the flow of process gas through the duct.

Abstract: A byproducts treating device includes a transfer unit, a cleaning unit, and a controller. The transfer unit forcibly transfers byproducts from a byproduct source. The cleaning unit is combined with the transfer unit and separates the byproducts into at least one of a power or a byproduct gas. The controller is connected to the cleaning unit and selects at least one selection line for discharging byproduct gas. The byproducts flow from the transfer unit to the cleaning unit without flow lines, and the controller selects the at least one selection line based on a flux of the byproduct gas.

Abstract: An indoor dust collecting system includes an air conditioner having an indoor unit that generates an air current, a dust collector, and a controller for controlling the air current from the indoor unit. A moving body detector is provided to detect a moving body such as, for example, a person, a pet, a cleaning robot, and the like. The air current from the indoor unit is controlled by the controller based on the position of the indoor unit, the position of a spot of occurrence of dust detected by the moving body detector, and the position of the dust collector such that the air current from the indoor unit reaches the dust collector via the spot of occurrence of dust in order for the dust collector to effectively suck the dust.

Abstract: A virtual impactor includes a jet nozzle that jets, from a jet outlet, a gas that contains particles, an opposing nozzle that is disposed with a specific separation distance from the jet nozzle and draws in, as a secondary flow, from a vacuum inlet at one end portion, a portion of the gas that is jetted from the jet nozzle, and a variable mechanism that varies at least one of a width of the jet outlet, the specific distance, and a width of the vacuum inlet.

Abstract: An enclosed air conditioning unit includes a filter section and a cooling section through which intake air passes before being discharged into a space within a building. The orientation of the filter section and cooling section is substantially vertical, and the airflow path through the filter section and the cooling section is substantially horizontal, resulting in reduced face velocities across these components, thereby increasing filtration efficiency and cooling effectiveness, while allowing the physical size and configuration of the air conditioning unit's enclosure to be the same as or smaller than the enclosures for conventional air conditioning units having comparable or lower performance.

Abstract: The present invention is directed to the prevention of an exothermic reaction in the gas purifier of an ultra-high purity gas system.

Abstract: A dust collection device includes a machine body that forms an air chamber and a chassis arranged below the machine body. The chassis receives therein a dust collection tank. A mechanics case that contains a motor and blower assembly is arranged at one side of the machine body. The mechanics case includes a partition board to divide the mechanics case into an inlet flow channel communicating the air chamber and an outlet flow channel for discharging air. The partition board forms an air vent hole in communication with the outlet flow channel. A block unit is provided on the partition board and includes a block plate that selectively blocks the air vent hole. When a fire occurs inside the air chamber, the partition board prevents the fire flame from being drawn into the mechanics case, and the block plate timely blocks the air vent hole to improve operation safety.

Abstract: An apparatus is configured for filtering a cooling duct of a battery for an electric vehicle. More specifically, a dust sensor is installed in the cooling duct through which cooling air is introduced into the battery for the vehicle and a variable filter is installed in the cooling duct to filter the cooling air and open/close the cooling duct via a driving unit. A control unit configured to control the driving unit according to a signal or sensing value from the dust sensor and a measured temperature of the battery. In particular, when dust is not detected, the cooling duct is fully opened by folding the variable filter. If, however, dust is detected an opening degree of the variable filter is adjusted to close or at least partially close the cooling duct according to the temperature of the battery.

Abstract: The invention relates to an on-site medical gas production plant (100) comprising a unit (50) for purifying gas, such as air, a first vessel (A) for storing purified gas, and a main gas line (10) fluidically connecting the gas purification unit (50) to the said first storage vessel (A). It furthermore comprises a three-way solenoid valve (VA) arranged on the main gas line (10) upstream of the first storage vessel (A), and furthermore connected to the atmosphere (at 12) via a vent line (11), as well as an operating device (4) which controls at least the three-way solenoid valve (VA), and at least a first gas analysis device (D1) of which a first measurement line (29) is fluidically connected (at 28) to the main line (10), upstream of the three-way solenoid valve (VA), and which is electrically connected to the said operating device (4).

Abstract: A moving granular bed includes a filter granule channel, an inlet unit of gas, an outlet unit of gas, a first detecting unit and a feedback control unit. The inlet unit of gas is disposed at one side of the filter granule channel, and the dirty gas is fed into the filter granule channel through the inlet unit of gas. The inlet unit of gas has a first flow-guiding plate. The outlet unit of gas is disposed at the other side of the filter granule channel. The first detecting unit detects the gas velocity at the inlet unit of gas site. The feedback control unit is electrically connected with the first detecting unit, and controls the angle of the first flow-guiding plate and flow rate of filter granules according to a detecting result of the first detecting unit. A gas guiding system used in the moving granular bed is also disclosed.

Abstract: Solutions for improving efficiency of a filter device for use with a machine requiring clean airflow are disclosed. In one embodiment, the filter device includes: a filter housing about an airflow inlet of the machine, wherein the filter housing comprises an air-permeable filter media configured to filter particles from multi-directional airflow moving through a substantial portion of the filter housing into the airflow inlet.

Abstract: The present invention is directed to the prevention of an exothermic reaction in the gas purifier of an ultra-high purity gas system.

Abstract: The present disclosure relates to a fabric filter system, which may be used for removing particulate matter from a gas, such as a combustion process gas. The filter system includes a fabric filter (3) which is placed in a filter compartment. From the filter, gas flows via a filter plenary space (5) to an outlet duct (7), where the gas exits. A flow control device controls the amount of air exiting through the outlet duct. The flow control device comprises a louver-type damper (17). This provides reliable and efficient control of the gas flow. A collar (21), connecting the plenary space (5) with the outlet duct (7), improves the gas flow into the duct.

Abstract: A device for filtering nanoparticulate matter below 300 nm in size from ambient air within a defined enclosed space comprises at least one filter medium containing at least one filter material, and a fan or blower, which blows or draws the air through the filter medium does so with sufficiently low air velocity in the filter medium that the air has a long residence time in the filter medium, during which time adhesive encounters between nanoparticulate matter and the solid phase of the filter material are highly probable. This air velocity is also being sufficiently low to ensure that, once adhesion has taken place, kinetic de-adhesion by the air flow is highly improbable. Such a device allows to keep the nanoparticle count inside the enclosed space kept below 5000/cc, equivalent to ‘natural woodland’, even though external levels may exceeded 200,000/cc: the removal of nanoparticles by cleaning making this <2.5% the external count.

Abstract: A fuel tank inerting system uses two “half systems” for providing inerting gas for the fuel tanks. Each inerting system may be composed of a temperature control and air pressurization unit (TCPU) and an air separation unit (ASU). A cross-ship duct and valve allows using one TCPU (sized for about half capacity or more, but less than full system capacity) connected to two ASUs. The inerting system may provide for redundancy in the TCPU section.

Abstract: An aspect of embodiments of the invention is to lower fluid resistance applied to gas flow (A, S) flowing within a dust collection system (1) so as to enhance dust collection efficiency of the dust collection system (1) without depending on the number or the two dimensional arrangement of movable elements (40) within the system (1). Embodiments of the dust collection system (1) of the invention includes: a housing (10) defining a cavity (50) therewithin, the housing (10) having a plurality of inlets (53) and at least one outlet (57) for gas; a plurality of movable elements (40) for opening and closing the inlets (53), the movable elements (40) being respectively provided corresponding to each of the inlets (53); a gas flow generating device (20) for generating a gas flow (A, S) from each of the inlets (53) to the outlet (57) during the opening operation of the movable elements (40); and a flow path control device (13) for controlling the flow paths of the gas flow (A, S).

Abstract: A moving granular bed includes a filter granule channel, an inlet unit of gas, an outlet unit of gas, a first detecting unit and a feedback control unit. The inlet unit of gas is disposed at one side of the filter granule channel, and the dirty gas is fed into the filter granule channel through the inlet unit of gas. The inlet unit of gas has a first flow-guiding plate. The outlet unit of gas is disposed at the other side of the filter granule channel. The first detecting unit detects the gas velocity at the inlet unit of gas site. The feedback control unit is electrically connected with the first detecting unit, and controls the angle of the first flow-guiding plate and flow rate of filter granules according to a detecting result of the first detecting unit. A gas guiding system used in the moving granular bed is also disclosed.

Abstract: The present invention is directed to the prevention of an exothermic reaction in the gas purifier of an ultra-high purity gas system.

Abstract: An exhaust gas purifying apparatus for an internal combustion engine includes a collector, a differential pressure sensing device, a differential pressure based estimating device, a partition wall exposure sensing device, and a second regenerating device. The collector captures exhaust particles in exhaust gas. The differential pressure sensing device senses a differential pressure across the collector. The differential pressure based estimating device estimates an accumulation amount of the exhaust particles based on the differential pressure. The partition wall exposure sensing device senses a partition wall exposure state. The second regenerating device forcibly completely combusts the exhaust particles captured in the collector when the partition wall exposure sensing device senses the partition wall exposure state.

Abstract: Embodiments of the invention generally provide an apparatus and method for certifying a filter in a containment system without decontaminating the containment system prior to certification. The apparatus generally comprises a valve assembly selectable between at least three operational states. A first state prevents flow from prevents flow through a port of a housing. A second state fluidly couples the port to test equipment necessary to test a filter disposed within the housing. A third state seals the port but fluidly couples the test equipment to a decontamination system.

Abstract: The present invention is directed to the prevention of an exothermic reaction in the gas purifier of an ultra-high purity gas system.

Abstract: A gas flow system and method are provided for controlling the moisture in a gas flow. The system may include a gas source from which gas flows, a processing chamber to which the gas flows, and a gas flow line through which the gas flows from the gas source to the processing chamber. The gas flow line may include a moisture control line section. The moisture control line section includes a pass-through line through which the gas may pass, so as to be exposed to a dryer. The exposure to a dryer may be controlled by a suitable valve. A scrubber is disposed in the gas flow line, the scrubber removing contaminates from the gas in the gas flow. The system may include a moisture sensor disposed in the gas flow, the moisture sensor sensing at least one parameter of the gas and outputting a signal representing the at least parameter to a moisture sensor controller, such that the moisture sensor controller determines the moisture in the gas.

Abstract: An inertial inlet particle separator system for a vehicle engine includes an inertial inlet particle separator and an adjustment mechanism. The separator includes a fluid inlet coupled to a scavenge channel and to a clean channel such that a first amount of fluid passing through the fluid inlet enters the scavenge channel and a second amount of fluid passing through the fluid inlet enters the clean channel. The scavenge channel is defined by a first wall and a splitter, and the clean channel is defined by a second wall and the splitter. The splitter and the second wall are stationary with respect to each other. The adjustment mechanism is coupled to the inertial inlet particle separator and configured to adjust a size of the scavenge channel. Although not necessarily, the adjustment mechanism may also be coupled to the scavenge fan speed.

Abstract: A filter assembly comprising a housing having an air inlet and an air outlet and a filter chamber disposed between the inlet and the outlet, the housing having an air flow path there through. A filter element having a first surface area maybe located within the filter chamber and oriented such that the first surface area is angled with respect to the air flow path. The filter element may comprise a filter media adapted to remove contaminants from the air. A drain may be associated with the housing and adapted to remove contaminants filtered out of the air.

Abstract: System for a dust filter unit includes dust detector to measure dust concentration in an outlet conduit of the filter unit. A controller establishes the detected dust concentration following a cleaning cycle of a filter of the unit and in one form compares that detected concentration to a baseline concentration to identify whether there is possible leak in the filter. The system also includes monitoring arrangements to measure pressure profiles in the unit to assess the state of values and/or filters in the unit. Methods of detecting the state of a filter unit are also described.

Abstract: In one aspect of the invention a smart air filter monitoring system for a cabinet for electronic devices is provided that includes: an air filter positioned in an air flow so that substantially all the air flows through the filter, the air flow being defined by the cabinet; a light emitting device on a first side of the air filter; at least two light sensors mounted near the air filter, each light sensor directed to the air filter to receive light emitted from the light emitting device after the emitted light has passed through the air filter, the light sensors adapted to generate electrical signals from the emitted light striking the light sensor; an electrical circuit, the electrical circuit generating a signal for indicating that the filter needs to be serviced when the electrical circuit determines that electrical signals received from a combination of the sensors indicates that the filter needs to be serviced.

Abstract: Various methods and systems for removing particulates from a cycle gas stream, e.g., in a reactor system, are provided. In certain embodiments, the methods are performed in conjunction with a polymerization reactor system such as a gas-phase reactor system for production of polyolefin polymers. The methods comprise the step of compressing a gas stream having particulates entrained therein.

Abstract: A method and system for purifying air while moving. The system for purifying air includes an air purification unit inhaling and purifying the air, a moving unit moving the system, and an object sensing unit sensing a wall existing at a side of the system in a direction in which the moving unit moves, wherein the moving unit moves while keeping a distance within a predetermined range from the wall sensed by the object sensing unit.

Abstract: Provided are an indoor gas detecting apparatus and an indoor air purification system. The indoor gas detecting apparatus includes: a gas sensor unit composed of a plurality of gas sensors and a fine dust sensor; a controller controlling overall operations; a display unit; an alarm unit; and a communication unit transmitting/receiving data to/from an external apparatus. If a detected gas amount exceeds a predetermined permission level of each gas, the controller transmits an operation signal to an external automatic gas blocking apparatus or an external air purification apparatus so as to operate the automatic gas blocking apparatus or the air purification apparatus. Accordingly, not only fresh indoor air can be maintained but also an explosion or a fire can be prevented.

Abstract: A device is provided that is capable of circulating air throughout a personal space as well as collecting and preventing the build up of dust and other particulate matter by drawing in air from the surrounding environment and removing some dust, allergens and other such particulate matter therefrom. The filtered air is then expelled out of the device and back into the surrounding environment. The device includes a housing defining an interior space having a motor and fan assembly disposed therein. The housing includes an inlet with a filter provided therein such that air drawn in through the inlet is filtered. The air is then expelled through a circumferentially disposed outlet. The filter element preferably includes a lock and key system configured to prevent operation of the device in the absence of a properly keyed filter.

Abstract: A method and to a device for the regeneration of a particle arranged in the exhaust gas train of an internal combustion engine. An exhaust gas stream to be cleaned is supplied to the at least one particle filter. At least in a regeneration mode, a predetermined amount of an exhaust gas stream to be heated is branched off from the exhaust gas stream upstream of an exhaust gas turbine of an exhaust gas turbocharger which branched-off stream, after it has been heated by a heater is mixed in the form of a heated exhaust gas stream at a point upstream of the at least one particle filter back into the residual gas stream which is coming from the exhaust gas turbine and which is at a lower temperature than that of the other stream.

Abstract: An air treatment system includes a recirculation line (24) through which air from the enclosed space can be recirculated, and a contaminant adsorption assembly (36) is provided in an auxiliary supply conduit (31). In the event that contaminants are detected in atmospheric air, air from the enclosed space can be recirculated for conditioning and then readmitted to the enclosed space. Oxygen that is breathed by occupants of the enclosed space can be replenished by admitting air from atmosphere, which is treated using the adsorption assembly and then mixed with air that is in the enclosed space or being recirculated for admission to the enclosed space.

Abstract: An apparatus for treating a medium, the apparatus including structure for generating a flow of a working fluid in a flow path, treatment structure for subjecting the medium to treatment and a delivery device for delivering the medium to the treatment structure, the treatment structure and the delivery device being operable in response to the flow of working fluid. A refuge chamber and method utilize such apparatus.

Abstract: An aspect of embodiments of the invention is to lower fluid resistance applied to gas flow (A, S) flowing within a dust collection system (1) so as to enhance dust collection efficiency of the dust collection system (1) without depending on the number or the two dimensional arrangement of movable elements (40) within the system (1). Embodiments of the dust collection system (1) of the invention includes: a housing (10) defining a cavity (50) therewithin, the housing (10) having a plurality of inlets (53) and at least one outlet (57) for gas; a plurality of movable elements (40) for opening and closing the inlets (53), the movable elements (40) being respectively provided corresponding to each of the inlets (53); a gas flow generating device (20) for generating a gas flow (A, S) from each of the inlets (53) to the outlet (57) during the opening operation of the movable elements (40); and a flow path control device (13) for controlling the flow paths of the gas flow (A, S).

Abstract: Provided is a trap apparatus, disposed in an exhaust passage 22 for discharging an exhaust gas from a processing chamber 10 for processing a wafer W, thereby to trap exhaust from the exhaust gas, so that the exhaust trapped by a trap element can be efficiently removed to regenerate the trap element. The trap apparatus includes a housing 42 disposed in the exhaust passage, a trap element 48 disposed in the housing for trapping the exhaust, a trap heating unit 54 for heating the trap element, a coolant introducing unit 60 for introducing a coolant into the housing, a coolant discharging unit 62 for discharging the coolant from the housing, and a controller 88 which performs a control to introduce the coolant from the coolant introducing unit into the housing, while the trap element being heated by the trap heating unit, to remove the exhaust trapped by the trap element.

Abstract: Systems for the recovery of rare gas from a mixed gas stream are described. In particular, systems for the recovery of helium from cluster tools used in semiconductor fabrication are described. In one embodiment, these systems allow for the recovery of rare gas, such as helium, from the waste gas from a processing chamber, or a cluster tool, when a predetermined amount of rare gas is known to be present in the waste gas. In a further embodiment, analyzing means are used to determine the amount of rare gas, such as helium, present in the waste gas and when that amount warrants, the rare gas is recovered from the waste gas using a dedicated rare gas recovery process.

Abstract: The present invention is directed to the prevention of an exothermic reaction in the gas purifier of an ultra-high purity gas system.

Abstract: The present invention is a method and system for recovering natural gas used to operate a diaphragm pump in a gas production unit (GPU) at or near a natural gas well. A system embodiment may include a back pressure valve installed on a natural gas line between an exhaust port of heat trace diaphragm pump and a vent to atmosphere, the back pressure valve configured for selectively blocking flow of natural gas to the vent. The system may further include a return line connected between the natural gas line and a burner system fuel line for redirecting the natural gas to a burner system. An embodiment of a method of recovering natural gas expelled from a heat trace diaphragm pump exhaust port may include preventing the natural gas from exhausting to atmosphere and redirecting the natural gas to a natural gas supply system.

Abstract: A trap device (18) for removing species from a gas stream drawn from an enclosure by a vacuum pump is described, the device (18) comprising a casing having an inlet (16) for receiving the gas stream, an outlet (20) for exhausting the gas stream from the casing, and first and second chambers (136, 138) each for receiving the gas stream from the inlet and conveying the gas stream to the outlet; means (170, 174) for selectively diverting the gas stream from the inlet to a selected one of the chambers; a first plurality of cartridges (32) each being removably insertable into the casing to provide a plurality of flow passages for gas passing through the first chamber; and a second plurality of cartridges (132) each being removably insertable into the casing to provide a plurality of flow passages for gas passing through the second chamber, each flow passage extending between an inlet and an outlet of a respective cartridge, each cartridge housing means for removing species from the gas passing therethrough as soli

Abstract: Embodiments of the invention generally provide an apparatus and method for certifying a filter in a containment system without decontaminating the containment system prior to certification. The apparatus generally comprises a valve assembly selectable between at least three operational states. A first state prevents flow from prevents flow through a port of a housing. A second state fluidly couples the port to test equipment necessary to test a filter disposed within the housing. A third state seals the port but fluidly couples the test equipment to a decontamination system.

Abstract: The present system is an adsorption system for separating air into a concentrated gas component, which has an air supply, a compressor for receiving and compressing the air supply, providing a compressed air supply, and molecular sieve material for separating the compressed air supply into a concentrated gas component. The adsorption system delivers at least 5 liters per minute (LPM) of concentrated gas component from the molecular sieve material in which the system has a specific total weight per LPM <9 lbs/LPM. Additionally, an output quantity of the concentrated gas is delivered by the adsorption system and a purging quantity of the concentrated gas is dispensed into a sieve chamber of the adsorption system undergoing a purge cycle. The purging quantity has a value equal to or less than the difference between the maximum quantity and the output quantity, and the purging quantity is controlled based on the output quantity.

Abstract: A dedusting device 1 with a demister 15 advantageously arranged standing obliquely has a very compact construction because sufficient moistening or wetting of dust-containing crude air 24 is possible through the use of intensively acting multiple stream nozzles 33. The ventilator 11 is allocated to its own ventilator housing 18 that is connected to the dedusting device housing 10 and has a muffler 20 inserted downstream.