Abstract: A control system and associated methods for an air treatment system. In one aspect, the present invention provides a control system and method for controlling blower speed as a function of separately determined smoke and dust concentrations. In one embodiment, the control system and method provides a variable delayed between changes in motor speed to address undesirable rapid changes between speeds. In another aspect, the present invention provides a system and method for calibrating a sensor to provide more uniform operation over time. In yet another aspect, the present invention provide a system and method for calibrating motor speed to provide more consistent and uniform motor speed over time. The present invention also provides a system and method for tracking filter life by as a function of time, motor speed and/or a sensed variable, such as particulate concentration in the environment.

Abstract: A filter sensor to monitor an air filter in an air conditioning system is disclosed. The filter sensor includes a housing having an interior passage. The housing is located in relation to an air vent of the air conditioning system. A propeller is mounted in the interior passage. The propeller is rotated by the filtered air flow of the air conditioning system. A motion sensor is provided in proximity to the propeller or its shaft. A controller is coupled to the motion sensor to determine the rotational speed of the propeller and correlate the rotational speed of the propeller with the condition of the filter. An indicator is coupled to the controller to indicate a status of the air filter.

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

Abstract: A gas pressure monitor system for a pneumatically-powered surgical machine includes a first transducer, a second transducer, and a controller. The first transducer is located upstream from a filter and is configured to read a first pressure of a gas before the gas enters the filter. The second transducer is located downstream from the filter and is configured to read a second pressure of a gas after the gas exits the filter. The controller is configured to compute a difference between the first pressure and the second pressure. A state of the filter is determined from the difference between the first pressure and the second pressure.

Abstract: Filter assemblies that comprise a temporary attachment mechanism disposed on a surface of a filter are disclosed, as well as methods and systems related to using such filter assemblies during sterilization. The disclosed filter assemblies can include sterilization indicator elements.

Abstract: A process, system, and component configuration are described that discourages customer acceptance/use of will-fit, reconditioned, and counterfeit product components, by determining whether or not a serviceable product component is genuine. If a component is determined to not be genuine, then appropriate action may be taken to warn operators and document such findings. For example, one or more markers are disposed or otherwise put on the subject serviceable product component and serves as a targeted feature, and/or a particular characteristic of the filter itself is identified as the targeted feature. A sensor is used to detect the targeted feature and obtain information unique to the serviceable product component. The targeted feature(s) identifies the particular serviceable component as genuine and forms the basis for determining whether a genuine component has been installed. In some circumstances, a fluid filter product is the component that is the subject detection.

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

Abstract: A 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: The present invention comprises a central vacuum producing system suitable for collecting both liquid and gaseous material, one or more end effectors for use at a site at which liquid and gaseous material are produced, and a coupling device or connector for operably coupling one or more end effectors to the central vacuum. The connector may include a suitable liquid monitor or counter such as a flow meter, and/or features for separating, quantifying, routing and/or disposing of collected bioaerosol and/or its components at the site at which the connector is being used.

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

Abstract: An isolator includes a work chamber, a sterilizing substance supply unit, a gas flow channel pressure adjustment unit, a work chamber barometer, and a controller. The controller is configured to control execution of a gas flow channel leak test for checking a gas leak in a gas flow channel based on a detection result by the work chamber barometer after making the gas flow channel pressure adjustment unit increase or decrease the pressure in the gas flow channel, and is configured to control supply of the sterilizing substance by the sterilizing substance supply unit. The controller performs heating of a heater, which accompanies the supply of the sterilizing substance, in parallel with the gas flow channel leak test.

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

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

Abstract: The invention is directed to a direct replacement air filtration or handler filter that is placed within an air flow channel within an air handler unit having a housing. A motor in communication with a controller and having an at least one sensor input or a timer or a transceiver and processing module. A filter media storage area is located on one end of the housing, with a pleated, folded filter media folded and compactly stored inside the filter media storage area. An exposed filter media containment area is located on an opposed end within the housing with the filter media extending therebetween. The filter media being paid out or advanced from the filter media storage area across the housing where it is exposed to air within the air flow channel as it removes contaminants from the air.

Abstract: A system and method for optimizing the gas/liquid separation process for a fluid flowing within a pipe is provided, wherein the method includes receiving a fluid flow having a liquid component and a gas component. The method further includes separating the liquid component from the gas component, wherein the liquid component is separated from the gas component via a separator device. The method also includes generating gas component data and liquid component data, wherein the gas component data is responsive to the liquid carry-over into the gas component and wherein the liquid component data is responsive to the gas carry-under into the liquid component. Furthermore, the method includes processing the gas component data and the liquid component data to generate apparatus optimization data.

Abstract: Sensors (40) are described which comprise a reflective layer (52), a detection layer over the reflective layer (52), a semi-reflective layer (50) over the detection layer (48), and a masking layer (57) affixed to the reflective layer with a high Tg adhesive.

Abstract: The present invention relates to reverse osmosis filtration devices, and more particularly, to membrane filtration devices (10, 11, 12) that have flow meters and fluid conductivity meters powered by RFID tags. Embodiments of the present invention comprise reverse osmosis filters and filtration systems comprising measuring devices, including flow and conductivity meters. The meters of the present invention are preferably located on or within permeate core tubes (16) of filtration devices and systems.

Abstract: An indoor unit (1) is provided with an output control portion (35, 71) for controlling a cleaning signal output portion (33, 48) to output a cleaning signal when it is determined that the amount of dust in a dust storing portion (60, 90) has reached a predetermined first level, and when it is determined that the amount of dust in the dust storing portion (60, 90) has reached a second level that is higher than the first level.

Abstract: Embodiments of recirculating filtration and exhaust systems for material processing systems are disclosed herein. A material processing system configured in accordance with one embodiment includes an enclosure for processing a workpiece, the enclosure having an enclosure inlet and an enclosure outlet. The system also includes a first flow path fluidly coupled to the enclosure inlet and the enclosure outlet, and a first filtration assembly in the first flow path. The first filtration assembly draws airflow from the enclosure and returns the airflow to the enclosure. The system further includes a second flow path in fluid communication with the first flow path upstream from the enclosure inlet, and a second filtration assembly in the second flow path. The second filtration assembly draws airflow from the first flow path and returns airflow to the first flow path.

Abstract: An apparatus, system, and method for preventing server contamination. The system includes a server rack and a contamination filter secured to the server rack. The contamination filter may be configured to filter particulate substances and/or chemical substances from air. The system may include a reaction coupon configured to indicate the presence of particulate substances and/or chemical substances in the air.

Abstract: An exhaust gas treatment system treats a mixed gas containing at least hydrogen and monosilane discharged from a semiconductor fabrication equipment. The exhaust gas treatment system includes a pump unit which emits the mixed gas discharged from the semiconductor fabrication equipment, a compressor which compresses the mixed gas emitted by the pump unit and sends the mixed gas to a rear stage, a gas accommodation unit which collects and accommodates the compressed mixed gas, a flow rate control unit which controls a flow rate of the mixed gas supplied from the gas accommodation unit, and a membrane separation unit which causes the hydrogen to selectively permeate therethrough and separates the monosilane and the hydrogen from the mixed gas. Accordingly, the exhaust gas treatment system may be stably operated in a state where a change in pressure of the mixed gas discharged from the semiconductor fabrication equipment is alleviated.

Abstract: The present technology provides an air pre-treatment and monitoring device that includes an inlet port configured to receive an air flow and an outlet port configured to expel the air flow. The illustrative air pre-treatment device further includes a multiple-stage filter arranged between the inlet and outlet ports and that is configured to filter particles from the air flow.

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

Abstract: A run-safe filter system is provided for confirming installation of a qualified filter element in a housing. An electrical switch has a first electrical condition in response to a qualified filter element being installed in the housing, and a second electrical condition in response to the absence of a qualified filter element installed in the housing.

Abstract: Embodiments disclosed herein include air-treatment mask systems having at least one controllable air-treatment device that is controlled responsive to one or more signals from at least one pollutant sensor, and related methods of operation and air-treatment masks. In an embodiment, an air-treatment mask system includes a wearable air-treatment mask having a mask body including a face-securing member, and at least one controllable air-treatment device supported by the mask body. The air-treatment device is configured to treat incoming air. The system includes at least one pollutant sensor configured to sense ambient air for a presence of at least one pollutant and output one or more signals responsive to the sensing. The system includes control electrical circuitry operably coupled to the air-treatment device and the pollutant sensor and configured to control operation of the controllable air-treatment device responsive to receiving the signal(s) from the pollutant sensor.

Abstract: An air cleaner having a manipulator is disclosed. The manipulator (200) includes a rotary manipulation unit (300), which is provided so as to be movable between a first position, at which the rotary manipulation unit is retracted into the air cleaner, and a second position, to which the rotary manipulation unit is extracted from the air cleaner to enable a user to manipulate the rotary manipulation unit. The manipulator further includes a lift unit (400), which is installed in the air cleaner to move the rotary manipulation unit between the first position and the second position. In the present invention, the manipulator can control several functions of the air cleaner obviating the need for having several control buttons, thus being more convenient for a user. Furthermore, the present invention can prevent water from permeating a PCB mounted in the rotary manipulation unit, thus preventing malfunction of the encoder unit.

Abstract: Collection enhanced materials, flue gas additives, and methods of making the enhanced materials and flue gas additives are provided. In one embodiment, a down stream addition system configured to control material passing through a metering device from a vessel to a gaseous exhaust path extending between a unit and an exhaust flue of the unit is provided. In alternative embodiments, methods are provided for introducing at least one of a flue gas additive and a collection enhanced material to a gaseous exhaust stream exiting a unit; exposing and removing at least a portion of at least one a of flue gas additive and a collection enhanced material from a gaseous exhaust stream exiting a unit prior to entering an exhaust flue; and recycling at least a portion of material removed a from a gaseous exhaust stream exiting a unit back to the gaseous exhaust stream without passing through the unit.

Abstract: Devices for monitoring the end of service life of a filter cartridge include a demand substance, a sensing element with a detection point located within or adjacent to the demand substance, a reader for the sensing element, and a fluid delivery device. The detection point of the sensing element is correlated to the service life of a filter cartridge. The correlation is effected by correlation of the residence time of the monitoring device to the residence time of a filter cartridge. The residence time of the monitoring device is correlated to the residence time of the filter cartridge by control of the fluid delivery parameters of the fluid delivery device. The fluid delivery parameters include the flow rate, the demand substance mass, the receptacle cross sectional area, the receptacle volume, the receptacle length, and the demand substance packing density of the monitoring device.

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 particulate estimation system is configured for estimating a mass of particulate matter accumulated in a particulate filter of an exhaust system. The system includes a memory device, an interface, and a controller. The memory device stores a plurality of modules. Each of the plurality of modules is configured to uniquely estimate an amount of the particulate matter accumulated within the particulate filter over a period of time. The interface receives a plurality of input signals. The plurality of input signals correspond to a plurality of modules that are stored in the memory device. The controller derives a hybrid model based on the input signals. The hybrid model is configured to provide an output that is an estimation of the amount of particulate matter accumulated within the particulate filter over the period of time as a function of the plurality of input signals.

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: A system and process for the removal of carbon dioxide (CO2) from a feed natural gas having variable flow rates and inlet CO2 levels.

Abstract: A method is described for recycling hydrogen (H2) supplied to a chamber (10) in a gas stream comprising hydrogen and at least one other gas, such as silane. A gas comprising at least hydrogen is drawn from the chamber (10) using a first vacuum pump (32) that exhausts gas therefrom at a sub-atmospheric pressure. A portion of the gas exhausted from the first vacuum pump (32), for example between 70 and 95% of this gas, is diverted away from a second vacuum pump (34) backing the first vacuum pump (32). In one embodiment, the diverted portion of the sub-atmospheric pressure gas is treated to produce a purified gas comprising hydrogen, which is stored in a storage vessel (14). The composition of the purified gas is analysed, and, depending on the results of the analysis, at least one of hydrogen and silane is added to the stored gas so that the composition of the stored gas is similar to that of the gas initially supplied to the chamber (10). Gas is then supplied to the chamber (10) from the storage vessel (14).

Abstract: An apparatus, system, and method for preventing server contamination. The system includes a server rack and a contamination filter secured to the server rack. The contamination filter may be configured to filter particulate substances and/or chemical substances from air. The system may include a reaction coupon configured to indicate the presence of particulate substances and/or chemical substances in the air.

Abstract: An air cleaner that filters air supplied into an engine may include a lower case that has an intake port through which external air flows inside, a filter that may be disposed in the lower case and filters and allows the air flowing inside through the intake port, and an upper case that may be coupled to an upper portion of the lower case and has an exhaust pipe to discharge the air filtered by the filter to the engine, wherein an inlet of the exhaust pipe may be formed inside the upper case and an outlet may be formed to be connected to the outside of the upper case, the inlet of the exhaust pipe may be divided into a first inlet and a second inlet, and a fan that controls the exhaust amount of air to the outlet of the exhaust pipe may be disposed in the second inlet.

Abstract: The intake air filter (10) according to the invention is for cleaning intake air for internal combustion engines, in particular in vehicles. To this end, the intake air filter (10) includes an openable housing (11) with an inlet (16) and an outlet (17). Disposed between the inlet (16) and the outlet (17) is a filter element (18). In order to check, when the housing (11) is closed, whether a correct filter element (18) has been properly installed, a filter element identification device is provided, which, designed as a dome (28), corresponds to an additional opening (29) in the housing (11).

Abstract: A filter element, a particle filter, a method for marking a filter element, a method for producing a particle filter and the use of a filter element are described. With such methods and filter elements, individual filter elements can be securely adhered in a simple manner to form a filter. An identification means is applied to the end surfaces of each filter element for producing a particle filter, thus enabling the defined orientation of the filter elements for the adhesive process and preventing erroneous adhesion.

Abstract: A dust-sucking and air-cleaning composite structure is provided with a dust-sucking body and an air-cleaning body. The top surface of the air-cleaning body is provided with a vertically opening cavity. The cavity is recessed downward toward the interior of the air-cleaning body and has an opening facing upwardly. The inner profile of the cavity corresponds to the outer profile of the dust-sucking body, thereby allowing the dust-sucking body to be movably inserted into the cavity to be electrically coupled to the air-cleaning body.

Abstract: An air dehydration membrane module is provided with a sweep gas which is taken from the waste gas of a pressure swing adsorption (PSA) unit. No additional compressor is required, other than the compressor forming part of the PSA unit. In another embodiment, the sweep gas includes the combination of dried product gas, taken from the dehydration membrane module, and a supplemental gas, which may be ambient air, or permeate gas from an air separation membrane, or waste gas from a PSA unit. An air ejector combines the streams, without the use of an additional compression step, and the combined gas is used as a sweep stream for the dehydration module. The invention also includes the method of selecting an optimum point at which the sweep gas is injected into the module.

Abstract: The present invention relates to a cooling system. More particularly, the present invention relates to a cooling system for removing dust from air being drawn for cooling heat generation components of an electronic product, for improving convenience in maintenance or repair of the electronic product.

Abstract: A vacuum cleaner and a method of controlling the vacuum cleaner are provided. The vacuum cleaner may include a main body, a dust collection device mounted in the main body, at least one compression member that compresses the dust in the dust collection device, and a driver that drives the compressing member.

Abstract: The invention relates to a fan-and-filter unit to be mounted in the wall off a switch cabinet or housing, comprising a fan unit inserted in a fan housing, a filter mat arrangement mounted upstream of the fan unit and a fan cover immobilizing the filter mat. An embodiment advantageous for operation of the fan-and-filter unit consists in that the fan-and-filter unit has a filter mat monitoring unit which is designed to detect the service life and/or a degree of soiling of the filter mat arrangement and which comprises an insert integrated into the fan housing or the fan cover and having an illuminated display visible from the exterior of the fan cover facing away from the fan unit and being designed to display at least exceeding of a predetermined or predeterminable service life and/or a predetermined or predeterminable degree of soiling.

Abstract: A device for diagnosing a particle filter attached onto a main exhaust line of an internal combustion engine, wherein the diagnosis device includes, downstream from the first particle filter, a detection filter and a sensor for measuring an output parameter of the detection filter. The detection filter is arranged in a secondary exhaust line through which a first portion of the gases from the particle filter passes, wherein a second portion of the gases from the particle filter follows the main exhaust line. The device can be used for diagnosing particle filters for an automobile having a combustion engine.

Abstract: An apparatus for generating and collecting particulate matter derived from combusting a carbon-containing fuel in oxidizing gas includes a fuel burner housed in a container. The container has a gas inlet, a gas outlet; the gas outlet connects with a conduit for transporting the gas to atmosphere which is associated with means for forcing gas to flow from the gas inlet via the container and the conduit to atmosphere. Located within the conduit is a station for collecting particulate matter from gas flowing through the conduit. The gas flow-forcing means is controlled in response to a detected gas flow rate at the gas inlet to ensure the rate of gas flow at the gas inlet is maintained at a desired rate, thereby to promote particulate matter formation. A method for collecting particulate matter derived from combusting carbon-containing fuel employs the apparatus.

Abstract: A ductless fume hood suitable for the removal of various chemical materials including toxic and non-toxic gases, vapors, particles, dust and unpleasant odors from a fluid stream. The ductless fume hood uses electronic devices and software to enable real time monitoring of gas levels in parts per million.

Abstract: Filtration devices, methods, and systems comprising a decontamination filtration medium. The filtration medium comprises a remotely-triggered decontamination material stored in microcapsules that are embedded in or attached to a filter element. The microcapsules contain a decontamination agent that will detoxify one or more toxins, including but not limited to chemical and biological warfare agents, and industrial materials and chemicals, among other things. The microcapsules can be locally or remotely triggered to release the detoxifying agent by a triggering agent such as light, electrical potential, pressure, temperature, or other methods. One method of use of the filtration device comprises the following: when a target toxin is detected in the vicinity of the device, the microcapsules are actively triggered to release the detoxifying agent, thereby neutralizing the toxic agent.

Abstract: A system for analysing exhaust gas, comprising: a sensor for sensing a properly of exhaust gas: a conduit for transferring exhaust gas from part of an exhaust system to the sensor; and an inorganic filter element configured to remove particulates from exhaust gas between an end of the conduit and the sensor. A method of analysing exhaust gas is also disclosed.

Abstract: A gas chromatography inlet liner comprises a glass tube formed by a glass wall, the glass wall having pore channels formed therein, and an indicator present in the pore channels in at least part of the inlet liner. The indicator may be any element, compound, dopant, or mixture additive that modifies color or transparency of the inlet liner.

Abstract: A filter includes at least two different adsorptive media. First, chemisorptive media, which is porous and includes an acidic functional group, is used to remove molecular bases, including ammonia, organic amines, imides and aminoalchols, from the atmosphere used in semiconductor fabrication and other processes that require uncontaminated gaseous environments of high quality. Second, physisorptive media is able to adsorb condensable contaminants, particularly those having a boiling point greater than 150 degrees C. The physisorptive media can include untreated, activated carbon.