Abstract: A mobile greenhouse includes a cultivation area that has a bottom tray with a seedbed with seeds. The mobile greenhouse includes equipment that has at least two of the list of a water supply system for wetting the seedbed, a nutrient supply system for administering nutrients to the seedbed, a ventilation system for circulating air through the cultivation area, a shutter system for controlling outside radiation into the cultivation area, a light system for illuminating the seedbed and a heating system for the seedbed and/or the cultivation area. Further, the mobile greenhouse includes a control system that controls the equipment, the control system having an input mechanism to set the control system so that it controls the equipment in accordance with the requirements of the type of the seeds in the seedbed.

Abstract: A filtering unit for receiving an electronic device. The filtering unit includes a housing, a filter, a fan, a detector, and a controller. The housing includes an inlet. The filter is disposed at the inlet of the housing. The fan is disposed in the housing. The detector detects the number of particles in the filter. The controller is coupled to the fan and the detector. When the number of the particles in the filter exceeds a threshold value, the detector outputs a signal to the controller to change the rotating direction of the fan.

Abstract: An air-exhausting apparatus, device, method of assembly and use for an attic and rooftop fan, which prevents water intrusion into the housing. The fan can include a tubular base having a bottom side mounted on a roof of a room, and an upper end portion converging toward a top side of the base. A coupling sleeve unit has a first coupling end portion sleeved fixedly on the base and cooperating with the base to define an annular draining passage therebetween, and a second coupling end portion opposite to the first coupling end portion. A fan unit is mounted in the coupling sleeve unit, and is operable so as to exhaust air outwardly of the room via air holes in the second coupling end portion of the coupling sleeve unit. A cover unit includes a cover body disposed on the second coupling end portion of the coupling sleeve unit, and a supporting frame interconnecting fixedly the cover body and the coupling sleeve unit. Wear and/or sound absorbers can also be included.

Abstract: A motor mount assembly for an air cleaner is provided according to an embodiment of the invention. The motor mount assembly includes a motor ring adapted for receiving a motor, a mount ring adapted to be received in the air cleaner, and a plurality of mounting vanes extending between the motor ring and the mount ring. A mounting vane of the plurality of mounting vanes includes a proximal end and a distal end. The distal end is affixed to the motor ring and the proximal end is affixed to the mount ring.

Abstract: Provided are an exhaust pipe having turbulence wings, and an exhaust system. The exhaust pipe includes an outer pipe and an inner pipe. The exhaust pipe is connected to a scrubber of the exhaust system. The outer pipe has a gas inlet port. The inner pipe is installed in the outer pipe. A gap exists between the outer pipe and the inner pipe. The inner pipe includes a plurality of turbulence wings and gas discharge ports. The gas discharge ports are in communication with the gas inlet port via the gap. The turbulence wings project inward from the inner pipe and are disposed adjacent to the gas discharge ports. The inner pipe has an exhaust gas passage formed therein. When a gas is flowed through the gas discharge ports and over the turbulence wings, a jet layer is formed adjacent to an interior sidewall of the inner pipe. The jet layer forms a buffer between the exhaust gas passage and the inner pipe sidewalls.

Abstract: The methods and apparatus according to embodiments of the present invention provide substantially complete and rapid air cleaning and/or disinfection in the rooms that are substantially closed to outside air and have the typical complement and arrangement of furniture and people present, i.e. a “normal”environment. A study of air flow patterns in a variety of room configurations and arrangements demonstrates that EFA location within the room as well as furniture and people play a crucial role in air movement and airflow throughout the room, in minimizing or eliminating “dead spots” of stagnant air, and in achieving a goal of cleaning and disinfecting substantially all of the air.

Abstract: An improved air purification system is added to an existing incubator or environmental chamber. The improved air purification system includes a series of parts, such as a plate, motor box, power connections and filter to be retrofitted and/or installed into an available interior space of the incubator. The system increases the effectiveness of collecting and removal of particulates and VOC's for the internal environment of the incubator or environmental chamber, without expensive or cumbersome design alterations. The system may be installed at the factory or later on once the incubator or environmental chamber is in use. This will allow an alternative air purification system into existing incubators which will result in better results.

Abstract: Embodiments of the invention generally provide a filter module having a mechanically positionable test probe disposed therein and a method for testing a filter. In one embodiment, a filter module includes a housing adapted to receive a filter element. A sample probe suitable for leak testing the filter element is disposed in the interior volume of the housing. The sample probe may be moved to scan the filter by an actuator. In another embodiment, a method for testing a filter includes challenging a room side of a filter element disposed in a housing with a test aerosol, moving a probe disposed within the housing to obtain samples for testing and determining if the samples exceed a predefined leak criteria.

Abstract: System for separating particles from an environment, the system including a perforated screen and an ionisation electrode in the environment for creating an electrostatic potential between the electrode and the screen to attract the particles to the screen.

Abstract: The present invention provides a method for improving the air quality in the limited space and the equipment using thereof. The said method is that the air suctioned from the limited space is transferred to the outside of the limited space and acts as an air source for making oxygen. The oxygen is extracted from the said air source and the waste gas generated thereby is directly discharged to the outside of the limited space. The oxygen extracted is transferred into the limited space and offered the said space by means of the oxygen-supply controller. In addition, the atmosphere is supplemented into the limited space when the air inside is suctioned out. The equipment for the said method includes an indoor machine positioned in the limited space, an outdoor machine and an atmosphere supplement equipment.

Abstract: Devices and systems are provided, that entrain ambient air within a primary stream of pressurised air, for use in a variety of applications including aircraft, buildings and other stationary structures. The ambient air is drawn through an air treatment such a filter before entrainment within the primary stream. The combined streams are then delivered to a ventilation system, an air curtain or other suitable recipient of treated, thermally conditioned air. The systems include air curtain systems and ventilation systems for aircraft and other vehicles.

Abstract: An air-pressure-control system, the system comprising a system inlet, a system outlet, and a variable-speed fan configured to operate at a speed. A motor controller in communication with the fan is configured to control the speed of the fan. A differential-pressure transducer configured to monitor an air pressure at the system inlet and an air pressure at the system outlet. A closed-loop pressure controller in communication with the motor controller and differential-pressure transducer, wherein the pressure controller is configured to vary the speed of the fan based on the pressure differential between the inlet and outlet of the system, thereby controlling a pressure within a space. An ultraviolet kill chamber may be disposed between the inlet and outlet to expose airborne particulate to UV radiation. The system may also have a filter located within an air-flow path between the system inlet and system outlet.

Abstract: The present invention relates to a method and a device for providing a zone (2) of clean air at an operation area (3) by means of an air treatment device (1) with a lighting device (25).

Abstract: A service head for use in connection with a medical procedure in an enclosure such as an operating room. In one aspect, a service head comprises a filter adapted to be punctured by a timing pin in connection with the determination and/or communication of filter life. In another aspect, a service head comprises and RFID tag and RFID reader in connection with the determination and/or communication of filter life. In another aspect, a service head comprises wireless communication components for communicating with a surgical assembly such as an ultrasonic surgical device, electrocautery device, insufflator, laser surgical instrument, camera, surgical light source or endoscopic device.

Abstract: The invention relates to a method for reducing the carbon dioxide concentration in air of a closed or partially closed unit of space. The inventive method may comprise the steps of removing an air flow from the unit of space, guiding the air flow in a membrane system that may contain at least one membrane module having a CO2/O2 selectivity of greater than 2, removing the carbon dioxide permeated through the membrane, and returning the air flow that has been depleted of carbon dioxide in the membrane system to the unit of space. The inventive method may be optionally combined with an oxygen enrichment method. The invention also relates to corresponding devices for carrying out the inventive method.

Abstract: The present invention broadly comprises a multiport filter having at least three intake ports and at least two layers—a first layer for containing particles 3 microns or greater and a second layer that contains particles 3 microns or less in size. In alternate embodiments, the filter includes a third layer for trapping odors and gases and a fourth layer for trapping fines. The second layer may be comprised of ULPA material and may have antimicrobial material. The invention also includes a contaminant removal system for the filtering and recirculation of air contaminated with smoke from cautery-type surgical procedures. The invention also broadly comprises a surgical assemblies control service head designed to house powered surgical devices and a vacuum-filtering system for the treatment of air contamination caused by surgical procedures.

Abstract: A filtering apparatus (50) for removing noxious gases from an environment including: a source of compressed gas (60) connected to a regulating valve (62) to regulate a supply of compressed gas; at least one airflow device (5) including a compressed gas inlet (10) for receiving gas from the supply of compressed gas at greater than ambient atmospheric pressure, the gas inlet (10) being operably connected to the regulating valve (62); and a permeable noxious gas filter (55) arranged in gaseous communication with the airflow device (5); wherein the supply of compressed gas to the airflow device (5) causes the airflow device (5) to draw ambient air (64) from the environment through a primary intake (42), thereby generating a flow of air through the noxious gas filter (55) and causing the substantial removal of noxious gases from the flow of air.

Abstract: The present invention provides a compact ventilation system provided with an air purifying function. The present invention includes a case having at least one inlet and outlet communicating with an indoor space, an air supply duct connected to the case to allow the case to communicate with an outdoor environment, a fan provided within the case, the fan sucking air introduced into the case via the air supply duct, the fan blowing out the sucked air to the at least one outlet, an air guide provided within the case to guide the air introduced into the case to the fan and to guide the air blown from the fan to the at least one outlet, and an air purifying member situated next to a lateral side of the fan between the fan and the at least one outlet to purify the air blown from the fan.

Abstract: A filter housing assembly having a gas-tight seal and a method of replacing a filter are generally provided. In one embodiment, the filter housing assembly includes a housing having an opening adapted to receive a filter and an inlet. A seal member is coupled to the housing and is moveable between a first position and at least a second position, the second position sealing the inlet. The filter housing assembly may be configured to retain a roomside replaceable filter or have a filter permanently adhered within the opening.

Abstract: Combining a HEPA air filtration system and a central vacuum system obtains a synergistic effect of cleaning air particulates in a room. The particulate count of the current invention provides an unexpectedly low result that can at best be described as synergistic.

Abstract: An HVAC air filter having a frame is disclosed. The frame disclosed includes filtration media and corners designed to allow for the expansion of the frame. The expansion of the frame allows for full nesting of multiple air filters.

Abstract: The present invention provides a portable system for capturing airborne pollutants and methods for using the portable system. The apparatus includes at least one flexible and maneuverable source containment means that can be connected to an atomizer, such as a spray gun or aerosol can or can be positioned near or over an open container giving off airborne pollutants. At least one suction generator allows air flow from the source containment means to at least one filter that may be attached or detached from its source of suction. After filtration, the apparatus includes at least one exhaust means to remove the treated air from the proximity of the user.

Abstract: A system for providing air substantially free from radioactive and toxic contaminates to a nuclear reactor habitability area is provided. The system can include at least one emergency air filtration unit structured and operable to provide air free from radioactive and toxic contaminates to the habitability area. The system can additionally include at least one stored energy power source structured and operable to provide operating power to each emergency air filtration unit.

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.

Abstract: A biohazard safety enclosure or workstation particularly adapted for enclosing automated instrumentation includes a chamber defined by front, back, top, bottom, and opposed end walls; a HEPA filter across an air inlet opening into the chamber, and an airflow means to direct air horizontally through at least part of the chamber between the end walls. Preferably, the workstation has a second HEPA filter across an air outlet opening in the work chamber, with the airflow means including a conduit extending from the air outlet opening to the air inlet opening. A fan draws air through the conduit. All of the air can be exhausted from the workstation, or a part of the filtered air can be exhausted from the workstation and replenished through a make-up air inlet into the chamber.

Abstract: The present invention relates to a novel enclosure and air filtration design for use with robotic welding stations. It includes a novel frame design, novel air cleaning systems and systems for reducing the frequency of cleaning the air cleaning system.

Abstract: A ventilation system providing NBC protection for at least one closed security space and/or protection space with constant slight excess pressure, the ventilation system substantially having an air inlet and air outlet, an explosion protection valve, a prefilter, a filter for suspended matter, an activated carbon filter and an air conveying device for sucking in the air to be purified and for distributing the purified air, and wherein the ventilation system has at least one of the three following built-in elements: an explosion protection valve which is combined with and cooperates with the prefilter; a combined activated carbon filter made of activated carbon which is specifically effective against biological and/or chemical toxic substances, on the one hand and, on the other hand, against radionuclides; and an air pump configured as a double bellows.

Abstract: A system for machining workpieces (12) and separating the chips from the workpieces (12) includes a plurality of workstations (14) detachably interconnected by a housing (16) and arranged along a processing path (A). A coolant and filtration device (56) extends through the workstations (14) and is adaptable for separating the chips from the workpieces (12). A mist collection device (54) is cooperable with the workstations (14) and the coolant and filtration device (56) for removing mist generated by the workstations (14) while machining the workpieces (12). The workstations (14) are interconnected with the mist collection device (54) and the coolant and filtration device (56) to form a single machining module (10) of various dimensions and configurations to be adaptable for various manufacturing environments.

Abstract: In one embodiment, a removable air filter is mounted proximate to where electrical equipment is mounted in a case. The filter has at least two sections with different finite air impedances. The filter is constructed of a filter media mounted inside of a frame. When the equipment arrangement is modified, the filter can be replaced with another filter with a different impedance profile, such that the air flow remains optimal for many equipment arrangements. The impedance profile can also be tailored to compensate for the characteristic airflow of the case design. Other embodiments are described and claimed.

Abstract: A system for measuring fume generation rates and total fume emissions of welding and allied processes includes a fume collection chamber and an automated welding assembly. The fume collection chamber includes a fume chamber housing, a door attached to the housing, a filter support connected to the housing, a hood connected to the housing and a connector attached to the housing and/or the hood. The automated welding assembly includes a rail, a carriage moveably mounted on the rail, a gun arm connected to the carriage and a welding gun mounted to the gun arm.

Abstract: An apparatus for maintaining a desired air pressure inside a home includes a differential pressure switch/gage having a first port and a second port. The first port is adaptable for sensing a first pressure inside the home; the second port is adaptable for sensing a second pressure outside the home. The differential pressure switch/gage is adaptable for producing a signal in response to a difference between the first pressure and the second pressure. A motorized damper is in signal communication with the differential pressure switch/gage and is operable to control entry of air into the home in response to the signal. A method of maintaining a desired air pressure inside a home comprises sensing a first pressure inside the home, sensing a second pressure outside the home, and introducing air into the home through a controlled opening if said second pressure exceeds said first pressure by a specified amount.

Abstract: A cover member adapted to confine gaseous emissions from animal waste in a waste collection area having a base for contacting and floating on at least a portion of a surface of the animal waste and a cover with at least one surface extending from the base. The cover member can include a buoyant frame to define a generally pyramid shape. The cover includes a layer of geotextile material and can include organic filter material with the internal volume of the cover member. A plurality of cover members can be closely aligned to cover a substantial portion of the surface of the animal waste.

Abstract: A semiconductor manufacturing process facility requiring use therein of air exhaust for its operation, such facility including clean room and gray room components, with the clean room having at least one semiconductor manufacturing tool therein, and wherein air exhaust is flowed through a region of the clean room. The facility includes an air exhaust treatment apparatus arranged to (i) receive air exhaust after flow thereof through said region of said clean room, (ii) produce a treated air exhaust, and (iii) recirculate the treated air exhaust to an ambient air environment in the facility, e.g., to the gray room of the facility.

Abstract: A device for conditioning recirculating air in a cleanroom has at least one fan having a housing. A return air conduit is provided through which a first portion of recirculating air is supplied from the cleanroom to the at least one fan. A second portion of the recirculating air is directly supplied to the at least one fan by bypassing the at least one return air conduit.

Abstract: A clean room unit which is equipped with a work room and a clean bench unit can be independently installed inside a building, can generate an air shower in the work room, and can realize miniaturization and cost reduction. The clean room has a work room, a clean bench unit which has a work opening and has the work opening installed to look onto the work room, an air conditioning system which can perform purification and pressure control of air inside the work room and the clean bench unit and can generate an air shower in the work room, and a control unit. The air conditioning system is controlled by the control unit to switch exclusively between the air shower mode, the ventilation mode, the positively-pressurized work mode, and the negatively-pressurized work mode.

Abstract: A method of operating a plurality of clean room in a compound within a common enclosure and supplying each room with filtered air by a blower-filter unit by arranging the clean rooms and the blowers connected thereto in two parallel spaced rows with a corridor therebetween, and permitting filtered air to escape the clean rooms from beneath the walls of the clean rooms. Continuous operation of the blowers produces a bubble-like volume of air surrounding the blowers which consists primarily of clean, recirculated air escaping from the clean rooms. By arranging the clean rooms and blowers so that the clean air bubble produced by each blower overlaps the bubbles produced by at least two other blowers, the entire compound can be contained in a highly purified atmosphere consisting primarily of recirculated filtered air. A portion of the air from one or more clean rooms may be discharged in an upward direction through an opening in its top wall.

Abstract: An example presentation apparatus having a cabinet-like base and a surface coupled to the cabinet-like base and configured to hold an object. The cabinet-like base and the surface are configured to cooperate functionally with a function of the object. A portion of an air processing apparatus is disposed within the cabinet-like base and configured to move ambient air through the cabinet-like base to generate processed air. An exhaust structure is operatively coupled to the cabinet-like base and configured to enable the processed air to exit the presentation apparatus via a flow path that is spatially associated with a substantially predetermined position of the object.

Abstract: A dry spray device includes a base, an air-extracting device, a wind force indicator, a first filter, a second filter, an isolating device and a work frame. The isolating device has a spray space for placing a work to be sprayed with paint, and waste gas and paint odor produced during spraying in the spray space in the isolating device is sucked into an interior space in the base by a motor driving a rotary fan in a wind housing fixed on the base to be filtered by the first filter and then through the second filter to become clean air to be exhausted out into open air. As the second filter is arranged in a V-shape in the interior space of the base so that the base can be made compact to let the whole size of the device occupy only a small space.

Abstract: In a deposition system, such as a TiN deposition system where TiCl4 and NH3 are reacted in a process chamber to produce TiN thin film coatings, a second reactor is included between the process chamber and the vacuum pump to react enough of the theretofore unreacted feed gases to consume substantially all of at least one of them so that further reactions that could otherwise produce solids, which cause excessive vacuum pump wear, are presented. The second reactor is preferably positioned between a cooled condensation trap downstream from the process chamber and vacuum pump, and it is also applicable in atomic layer deposition (ALD) systems for TiN, WN, and other materials as well as in chemical vapor deposition (CVD) systems for those and other materials.

Abstract: An inflatable modularly constructed for use over cites near welding or other operations upon, for example, one or more conduit members, in order to retain within the interior structure unwanted gases, flake, slags, sparks and other debris. The modules may be shaped and provided in such numbers as to provide a specific contour with each member being re-usable in combination with other members for subsequent operations. The modular members are selectively secured together so as to be substantially air tight to provide effective inflation of the unit. A framework may also be provided to assist in enhancing effective inflation during work operations. Fans and filter units may be provided for continuous inflation and to filter the intake inflation gas.

Abstract: System for modifying the chemical composition of atmosphere within an enclosed space and incubator system including such a system. The concentration of oxygen within the enclosed space may be either increased or decreased using an electrochemical device. The concentration of carbon dioxide within the enclosed space may be increased using an electrochemical or chemical device. As necessary, purging of the system with ambient air can be a part of the process of controlling the chemical composition of the atmosphere. The present invention obviates the need to use pressurized gas cylinders to supply atmospheric gases to the enclosed space.

Abstract: A biosafety cabinet includes one or more air filters below the work surface and a system for holding, sealing, replacing and disposing the air filters through the work access opening of the biosafety cabinet. The air filters under the work surface of the biosafety cabinet capture particulates entering the cabinet from the exterior environment and the particulates within the cabinet's work chamber. Instead of a mechanical clamp, the perimeter of the air filters are sealed using a gasket and a tape, eliminating the accumulation of the contaminants around mechanical clamps. The air filters may be accessed through the work access opening of the biosafety cabinet, packaged for disposal and removed from the biosafety cabinet without being exposed to the exterior environment. A filter cover with an adhesive surface is used to cover and lift the used, contaminated air filter within the biosafety cabinet.

Abstract: A mobile clean room has a substantially rectangular frame having an upper and lower portion and is formed of a plurality of metal tube members and transparent plastic wall panels affixed to the frame to form an end wall and front and rear walls. A floor plate is affixed to the lower portion of the frame. A plurality of locking swivel wheels is affixed to the lower portion of the frame. A ladder is mounted between the floor plate and the upper portion of the frame. A dust guard assembly is attached to the top of the frame and is movably mounted. A door is pivotally mounted to the frame.

Abstract: Disclosed is a method and apparatus for a storage system having an adsorbtive element capable of adsorbing gas home molecules from gas for the storage system. In one configuration the storage system can include an enclosure adapted to contain a plurality of data storage drive devices and data storage media and wherein the data storage drive devices are adapted to functionally operate. The enclosure is capable of containing gas having, among other constituents, gas borne molecules.

Abstract: A filtration medium includes a fine filter layer having a plurality of nanofibers and a coarse filter layer having a plurality of microfibers attached to the fine filter layer. The coarse filter layer is positioned proximal to a direction of fluid flow, and the fine filter layer is positioned distal to the direction of fluid flow.

Abstract: A high pressure trapping system is provided to collect chemical vapor by-products in successive stages through chemical reasons conducted at progressively colder temperatures. A hot trap receives chemical vapor exhaust and collects a first waste, typically a solid, as a result of the high temperature completing a chemical reason in the vapor. Surviving gaseous by-products continue to the next process. The following chamber is colder, and collects waste as a solid or a liquid as a result of a chemical process dependent on the cold temperature. Sometimes a third chamber is used for even a colder chemical reaction to collect waste products. As a solid, these waste products are easier to collect, remove, and even reuse.

Abstract: An apparatus for cleaning air includes a housing having a chamber. The scrubber includes a carbon dioxide scrubber layer disposed in the chamber which claims carbon dioxide from air passing through the scrubber layer. The scrubber includes a forcing element which draws the air into the scrubber and forces the air through the scrubber layer which is powered without any electricity. A system for supporting a breathable environment for users. The system includes an enclosure. The system includes an air scrubber disposed in the enclosure which cleans carbon dioxide from air in the enclosure that is powered without any electricity. A method for cleaning carbon dioxide from air. The method includes the steps of flowing compressed air through a fluid driven motor to operate the motor without any electricity. There is the step of rotating a fan with the operating motor.

Abstract: The invention relates to containers, particularly to containers for storing dry granules and powders, for examples silos.

Abstract: A gas diffusion device used in conjunction with a flow of gas from a conduit utilizing a sheet having a peripheral edge defining a surface inwardly from the edge. The surface possesses a first zone, and a second zone between the first zone and the peripheral edge. A first plurality of apertures through the sheet lie in the first zone. A second plurality of apertures through the sheet lie in the second zone. The percentage of open area of the first plurality of apertures relative to the area of the first zone is less than the percentage of open area due to the second plurality of apertures through the second zone.

Abstract: A filter apparatus for improving gas temperature stability while maintaining a high impurity removal capacity. The filter apparatus includes a filter for removing impurities from a gas and a temperature adjuster for adjusting the temperature of the gas to a predetermined temperature. The filter apparatus further includes a humidity detector, arranged at the upstream side of the filter, for adjusting the humidity of the gas before the gas passes through the filter.