Abstract: A semiconductor fabrication building is provided. The semiconductor fabrication building includes an ambient control surrounding and a makeup air handling unit configured to supply clean air to the ambient control surrounding. The makeup air handling unit includes a housing having an air inlet and an air outlet. The makeup air handling unit also includes a first filtration module positioned in the housing. The first filtration module includes a number of hollow fibers configured to guide air to flow from the air inlet to the air outlet. A porous layer is formed at an inner wall of each of the hollow fibers to filter airborne molecular contamination (AMC) having a selected size.

Abstract: A method of suppressing a kitchen fire includes detecting a fire and identifying a location of the fire with a tracking system, aiming a nozzle at the location, and releasing an agent through the nozzle at the location.

Abstract: A method for evacuating particulates from a surgical site is disclosed. The method comprises communicatively connecting a particulate evacuation module and a surgical hub, wherein the surgical hub comprises a surgical hub enclosure, and wherein the particulate evacuation module is configured to be received within the surgical hub enclosure. The method further comprises removing a particulate from the surgical site and into the particulate evacuation module, analyzing the removed particulate, and modifying an operation of the particulate evacuation module based on the analysis of the removed particulate.

Abstract: A cleaner holder includes: a first body having a first charging port configured to charge a cleaner; a second body protruding to a front side of the first body; and a battery accommodating space recessed downward from an upper surface of the second body to accommodate a battery detachably mounted to the cleaner, wherein a second charging port configured to charge the battery is provided in the battery accommodating space, and a cleaner guide configured to perform guiding such that terminals of the cleaner come into contact with the first charging port is provided in the second body.

Abstract: A Magnetic Suctioning Cannula Apparatus (MSCA) for evacuating smoke during surgical procedures. The Magnetic Suctioning Cannula Apparatus (MSCA) may enhance a surgeon's visibility and provide a safer environment by minimizing exposure to hazardous particles during surgical procedures. The Magnetic Suctioning Cannula Apparatus (MSCA) may provide a connection process through a built-in magnetic housing component whereby the magnetic housing component attaches to a surgical retractor.

Abstract: In one embodiment, a method includes initiating a protection mode at a network device having a protective cover installed to filter airflow entering a network device, reducing one or more of a fan speed, processing functions, or power at the network device, exiting the protection mode upon removal of the protective cover from the network device, and increasing one or more of the fan speed, the processing functions, or the power to resume normal operation at the network device.

Abstract: An ultraviolet (UV) air filter device for an HVAC system is disclosed. An example UV air filter device may include a body having a support structure and a filtration media. The example UV air filter device may also include a plurality of ultraviolet (UV) lights provided in the filtration media itself and/or mounted to the support structure. The example UV air filter device may also include a power source to provide electrical energy to the plurality of UV lights. The example UV air filter device may also include a fan or fan device, fan prop or rotor blade to circulate air across the UV lights.

Abstract: A method of operating a cleaning process on a filter in a vehicle air intake includes passing air through the filter from an upstream side to a downstream side, and providing an exhaust duct having an inlet end adjacent the upstream side of the filter and an outlet end adjacent a cooling fan or other air-extraction device of the vehicle arranged to draw air through the exhaust duct from the inlet end to the outlet end. In a periodic cleaning subroutine, the rotational speed of the fan is increased from a first speed to a second speed, while a pulse of pressurized fluid is applied to a downstream side of the filter. The exhaust duct carries away material dislodged from the upstream side of the filter by the applied pulse, and the rotational speed of the fan is reduced to its original level.

Abstract: A dehumidifier includes a housing, a motor bracket provided in the housing; and a water pan. The housing includes a top cover provided with a mounting hole and a handle movably provided in the mounting hole in a vertical direction. A gap is formed between the handle and a circumferential wall surface of the mounting hole. The motor bracket includes a top wall below the gap, and the top wall is provided with an overflow hole. The water pan is provided below the overflow hole and configured to receive water flowing out via the overflow hole.

Abstract: Air filter device comprising: one or more pleated air filters where the pleated air filters are cylindrical and designed according to the relation Gu=fhPr,/(2ro?0.25)>0.8; and a motor for rotating the pleated air filters, wherein ?r(ro?ri)/?s; ro=outer radius of the cylindrical pleated filter, fh=height of the cylindrical filter, ri=inner radius of the cylindrical pleated filter, ps=distance between two adjacent pleat tops on the inner radius, ?-ASHRAE efficiency.

Abstract: Proposed is an air conditioning assembly of a vehicle seat. The air conditioning assembly includes a housing provided in a vehicle seat, in which air flows in an internal space of the housing and the air is discharged to a seating surface of the seat, and an air cleaner provided in the internal space of the housing and configured to selectively sterilize or deodorize the air flowing in the internal space of the housing by rotating according to an air conditioning mode.

Abstract: A debris fin for a robotic cleaner dust cup may include a fin mount and an airflow body extending from the fin mount according to a divergence angle, the airflow body defining an airflow surface, the airflow body being configured to straighten fibrous debris entrained within air that is incident thereon.

Abstract: The disclosed system comprises a primary air curtain system and one or more optional apparel and/or accessory air curtain subsystem components. The primary system and subsystem(s) are configured to create a directionally controlled air curtain effect that repulses, repels, redirects, neutralizes, and/or disperses airborne infectious pathogens, carcinogens, chemicals, and other contaminants away from the body of a user or a surface susceptible to foreign contamination within a protected enclosure.

Abstract: A wet-dry vacuum cleaner including a collecting bin and a power head removably coupled to the collecting bin. The power head includes a housing configured to support the power head on the collecting bin, an exhaust outlet, and a cyclonic separator positioned within the housing. The cyclonic separator includes a dirty air inlet, a chamber, and a clean air outlet. The power head further includes a suction motor assembly operable to create a working airflow path from the dirty air inlet to the exhaust outlet, and a filter disposed within a filter housing hanging downwardly from the suction motor assembly. The filter is positioned within the working airflow path adjacent the clean air outlet of the cyclonic separator.

Abstract: An air filter housing (200) for an air filter arrangement in a vehicle, the air filter housing being configured for receiving unfiltered air and outputting filtered air by passage of the air through an air filter unit (100). The air filter housing (200) forms a filter cavity (201) configured to house said air filter unit (100), and the air filter housing (200) comprises support member (300) being fixedly arranged in the filter cavity (201). The support member (300) comprises a filter holder portion (301) for holding said air filter unit (100) in a use position, in which use position the complete filter holder portion (301) is located inside said filter cavity (201).

Abstract: A braking device for a vehicle is provided. The braking device includes a braking member, friction components that are adapted to come into contact with the braking member, and an air supply line secured to the friction parts and opening out opposite the braking member.

Abstract: The present invention relates to an air purifier in which vertical rotation and horizontal rotation are performed simultaneously and independently and which has a stable structure.

Abstract: An operation mode of an air cleaner is changed according to the degree of indoor air contamination and an indoor space condition, and one or more filters of the air cleaner can be easily cleaned. The air cleaner includes a housing, an inlet located at a lower part of the housing, a filter assembly, an outlet, and a brush unit. The filter assembly is located above the inlet, and a diameter of the filter assembly is gradually shortened in the direction from an upper part of the filter assembly to a lower part of the filter assembly. The discharge port is located above a second filter assembly. The brush unit is used to eliminate contaminants from an outer surface of the filter assembly.

Abstract: A blower includes: a fan configured to generate a flow of air; a filter positioned upstream of the fan; a case covering a side surface of the filter and having a suction hole; a housing which is positioned opposite to the fan with respect to the filter, and to which the case is detachably coupled; a supporter coupled to one surface of the housing facing the filter and configured to support the filter; a light source disposed at the supporter and configured to provide light in an ultraviolet wavelength band to the fan; and a controller configured to control an operation of the light source, wherein the controller stops the operation of the light source when the case is separated from the housing or when the filter is separated from the supporter.

Abstract: An air plenum provides protection from viruses and particulates to a user located beneath the air plenum. The air plenum has a housing with a fan centrally located within the housing. Low-velocity air is emitted downwardly from the fan through a perforated screen on a lower side of the housing onto the user. A slot diffuser extends around a lower periphery of the housing and emits high-velocity air downwardly to form an air curtain around the user. The higher velocity air of the air curtain reduces the ability of unwanted particulate matter to enter the area that is below the perforated screen.

Abstract: A pathogen disinfection apparatus includes an ultraviolet (UV) light source configured to emit UV light toward a target location to at least partially inactivate pathogens exposed to the emitted UV light in the path of the emitted light and a surface of the target location. The UV light has a mean peak wavelength between 200-280 nanometers. Further, the pathogen disinfection apparatus includes a distance sensor configured to determine a distance between the UV light source and the target location. Moreover, the pathogen disinfection apparatus includes dosimetry circuitry configured to monitor a dose of the UV light at the target location in real-time based at least in part on an intensity of the UV light and the distance between the UV light source and the target location.

Abstract: An external ventilation system of a capsule pod sleeping chamber that includes a wall with an exterior side that faces a communal space and an interior side that faces an interior of the capsule pod sleeping chamber. The external ventilation system further includes a duct to route first air out from the communal space to an area separated from air of the capsule pod sleeping chamber, where the duct is located between the exterior side and the interior side, and there is an aperture located on the exterior side opening into the duct.

Abstract: A vacuum cleaner is provided with a housing, an upright handle assembly, a working air path including a working air inlet, and a suction source configured to generate a working air stream through the working air path. The vacuum assembly further comprising a separation and collection module assembly fluidly in fluid communication with the suction source and including a filter assembly having multiple layers of filter media.

Abstract: Various systems, devices, and methods disclosed herein relate to airfield systems are disclosed. Some embodiments relate to generating airfield barriers with purified air, devices for generating air fields, methods of using such devices, and methods for manufacturing such devices.

Abstract: A method of suppressing a kitchen fire includes detecting a fire and identifying a location of the fire with a tracking system, aiming a nozzle at the location, and releasing an agent through the nozzle at the location.

Abstract: Artificial intelligence-based 3D printing for waste disposal management includes collecting, by one or more processors, data corresponding to a waste disposal site from a plurality of data acquisition sources. Based on the collected data, determine properties of waste disposed in a waste disposal container located in the waste disposal site and a waste distribution pattern associated with waste accumulation in the waste disposal site. Weather data corresponding to a geographic location of the waste disposal site is obtained by the one or more processors, and based on the weather data and the waste distribution pattern a vulnerability index is calculated for the waste disposal site. In response to the vulnerability index exceeding a predefined threshold, a request is sent to a 3D printer for printing a protective cover for the waste disposal container according to the waste distribution pattern for preventing waste spreading outside the waste disposal container.

Abstract: A vacuum apparatus can include a vacuum chamber assembly having a motor and blowing port, an inlet port forming a portion of the vacuum chamber assembly, a valve plate having a plurality of switchable valves, an intake chamber arranged and constructed between the vacuum chamber assembly and the valve plate, and a water collection chamber having a divided chamber residing below the valve plate, wherein the plurality of switchable valves is configured to switch from a first portion of the divided chamber to at least a second portion of the divided chamber. In some embodiments, the vacuum apparatus further includes a flapper valve at a bottom portion of the water collection chamber where the flapper valve retains and releases water intermittently, periodically or continuously between the first portion of the divided chamber and at least the second portion of the divided chamber.

Abstract: A filter structure capable of removing dust is proposed. The filter structure includes a circular rim part; a frame, extending from the rim part, for installing a motor; a dust collection net attached to the frame; a brush which is in close contact with the dust collection net and is rotated by the motor; an opening, formed at a lower end of the rim part, for discharging dust; an open part formed at one side of the dust collection net; and a concave groove part having an outside coupled to the open part and in one-side communication with the opening at the rim part.

Abstract: A vacuum insulated structure includes a first panel having an inner surface defining an area. The first panel includes a vacuum port. A trim breaker interconnects the first panel with a second panel in an air-tight manner to define a vacuum cavity therebetween. A first filter member is disposed on and substantially covers the area of the inner surface of the first panel and the vacuum port of the first panel. A second filter member substantially covers the first filter member to define a channel therebetween. The channel includes an area commensurate with the area of the inner surface of the first panel. The first panel may also include a mesh member covered by a filter member to define a channel therebetween to improve evacuation time using the channel to evacuate the vacuum cavity.

Abstract: A docking station for a robotic surface cleaning apparatus has a momentum separator. The momentum separator has a plurality of walls comprising an upper wall, a lower wall and a first sidewall, wherein the first sidewall extends between the upper and lower walls, and wherein the first sidewall comprises a side screen. A first end wall is spaced from and faces the side screen wherein an up flow chamber is positioned between the first end wall and the side screen.

Abstract: The present disclosure describes modular fan unit systems and assemblies. A modular fan unit system assembly may include a mounting structure; and a modular fan unit system.

Abstract: A building system of a building includes an in-zone plume control system located within a zone of the building, the in-zone plume control system including one or more return air inlets comprising openings to receive one or more air plumes generated by one or more users. The in-zone plume control system includes one or more exhaust outlets configured to exhaust the one or more air plumes, a filter, and a fan configured to draw the one or more air plumes in through the one or more return air inlets, through the filter, and out through the one or more exhaust outlets back into the zone, wherein the filter is configured to filter the one or more air plumes to remove particles from the one or more air plumes before returning the one or more air plumes to the zone.

Abstract: Provided are a grill body, a grill, and an air purifier. The grill body includes a plurality of grill bars, with an air opening or slot between two adjacent grill bars. Each of the grill bars includes a windward face configured to be convex in a middle of the grill bar and gradually sink towards two sides of the grill bar.

Abstract: A system for noise and vibration management of a smoke evacuation system includes a pump that compresses air and produces a pressure differential within an airflow path. The pump may be a sealed, positive displacement pump. The system includes vibration absorption mechanisms disposed between inner and outer housings, as well as on the outside surface of the outer housing. Methods of controlling and regulating a motor of the system to preserve the lifespan of the motor and maintain consistent airflow rates throughout the smoke evacuation system include varying a supply of electrical current to the motor so that it can operate at variable performance levels. Orifices are opened and closed in order to relieve resistance pressures within the airflow path due to clogging and blockages.

Abstract: An air moving device includes a housing member, an impeller assembly, and a nozzle assembly. The nozzle assembly can include one or more angled vanes set an angle with respect to a central axis of the air moving device. The air moving device can output a column of moving air having an oblong and/or rectangular cross-section. A dispersion pattern of the column of moving air upon the floor of an enclosure in which the air moving device is installed can have an oblong and/or rectangular shape. The dimensions of the dispersion pattern may be varied by moving the air moving device toward or away from the floor, and/or by changing the angles of the stator vanes within the nozzle assembly.

Abstract: Presented are a method and apparatus for evacuation. An exemplary fluid evacuation system includes a surgical apparatus having a fluid conduit therethrough. The system further includes a vacuum tube fluidly coupled with the fluid conduit, and an electrostatic precipitator fluidly coupled with the fluid conduit. Additionally, the system includes a vacuum source fluidly coupled with the vacuum tube, wherein the vacuum source is operable to create a flow of fluid through the fluid conduit, the vacuum tube and the electrostatic precipitator.

Abstract: A pig production method by using a detachable and washable wet curtain for intensive pig farming The detachable and washable wet curtain includes a wet curtain mounting frame (1), a spray tube (4), a plurality of rotatable reels (7) equivalent to sleeves, a reel (6) with a buckle, a wet curtain net (8), a reel (10) with a buckle, and a manual handle (9). The wet curtain is formed by a low-cost common material, namely a plastic net and the like, is convenient to mount, detach, and wash, and is not prone to making dust, scale, algae, mosquitos, and the like accumulate thereon, thus reducing the replacement cost and use cost. Therefore, a new cooling method based on the wet curtain is provided for pig farms in summer, and it is also suitable for other livestock farms in summer.

Abstract: A dust filter is configured to filter air drawn into a vehicle canister. The dust filter includes a first portion including a first engaging portion and a second portion including a second engaging portion. The second portion is attached to the first portion by engagement of the second engaging portion with the first engaging portion. The first portion includes a filtration member and a case. The case includes an inner chamber within which the filtration member is disposed. The case includes a drainage port configured to drain liquid that has infiltrated the inner chamber. The second portion is attached to the first portion to form a cover that covers the drainage port together with the first portion. The cover has an outlet that opens to the outside at a position lower than the drainage port.

Abstract: A vacuum cleaner includes a body having a space that allows air to flow therethrough. The vacuum cleaner includes a suction inlet that introduces the air into the body and a first cyclone in the body. The first cyclone separates foreign substances from the air introduced into the suction inlet. The vacuum cleaner includes a dust separation module having a filter unit that separates foreign substances from the air introduced from the first cyclone. The dust separation module also includes a second cyclone arranged within and separated from the filter unit. The second cyclone includes a cyclone base, a storage unit arranged adjacent to a lower portion of the second cyclone, and a cyclone array coupled to the cyclone base. The cyclone array allows the air to pass through an upper portion of the second cyclone and discharge the foreign substances collected by the second cyclone to the storage unit.

Abstract: A throughflow motor assembly includes a motor assembly having a rotatable shaft and a housing with a motor assembly mounted to one end and a housing opening therethrough. A fan assembly is rotated by the rotatable shaft and received in the housing at an end opposite the motor assembly. The housing includes a partition which partitions the fan assembly and the motor assembly from one another, and includes at least one centrally located flow passage extending therethrough. The fan assembly draws air over the motor assembly, through the housing opening and at least one centrally located flow passage, and then into the fan assembly which exhausts the air.

Abstract: An air purifying system may include a main air purifier placed in an indoor space, a handheld air purifier mounted on the main air purifier, and an air quality sensor IOT device that communicates with the main air purifier. The air quality sensor IOT device may be fixed in an outdoor space adjacent to the indoor space, or may be carried by a user to measure air quality data while the user travels. The main air purifier may automatically operate based on air quality data received from the air quality sensor IOT device.

Abstract: A portable surface cleaning apparatus has a main body and air treatment member assembly is removably mounted to the main body. The air treatment member assembly air outlet and/or the suction motor inlet end is provided at the lower end of the air treatment member assembly when the surface cleaning apparatus is located on a floor and a pre-motor filter underlies the air treatment member assembly and/or the suction motor.

Abstract: Apparatus, methods and instructions for disinfecting air. The apparatus may include, and the methods may involve, a fixture. The fixture may include a germicidal light source. The fixture may include a fan. The fan may circulate air through a volume into which the germicidal light source propagates germicidal light. The light source may be configured to emit, upward from a horizontal plane, a beam that, absent reflection off an environmental object, does not cross the horizontal plane. The apparatus may include a shield that prevents light from the light source from crossing the horizontal plane. The sensor may face upward from the horizontal plane. The sensor may face downward from the horizontal plane.

Abstract: The present disclosure provides a method of operating a separator (1,1a, 1b) for separating particles from a particle-laden airflow. The method comprises receiving, in the controller (18), a separation unit status signal from the separation unit status sensor (16a, 16b, 16c, 16d), deriving, in the controller (18), separator status data based on the separation unit status signal, communicating, via the communication device (19), the separator status data to the external unit (1a, 1b, 26), receiving, via the communication device (19), incoming control data from the external unit (1a, 1b, 26), determining, in the controller (18), based on the separator status data and based on the incoming control data, whether to initiate separating unit maintenance, and selectively initiating separating unit maintenance based on said determination. The disclosure also provides a separator for implementing the method and a system comprising two or more such separators.

Abstract: Within examples, a system to provide filtered air to an enclosure for a passenger of a vehicle is described that includes a collapsible canopy hood attachable to a support structure of a vehicle, and a filter unit mounted to the support structure of the vehicle and having an output coupled to the collapsible canopy hood. The filter unit includes an air filtration component to filter air that is then output to the collapsible canopy hood.

Abstract: A ventilation system is provided, the ventilation system comprising at least one air flow generating device, the at least one air flow generating device having a calibrated speed to produce a downward air flow capable of forcing a cloud of infectious bacterial, viral or pathogen particles or droplets out of an ingestion zone of a mouth, a nose and eyes of an individual, at least one ultraviolet C light lamp positioned proximate at least one wall of an area in a pathway of an infected air flow, the infected air flow containing the cloud of infectious bacterial, viral or pathogen particles or droplets, an ultraviolet C radiation field created by the at least one ultraviolet C light lamp, the ultraviolet C radiation field extending throughout the area from the at least one wall near a ceiling of the area and the infected air flow containing the cloud of infectious bacterial, viral or pathogen particles or droplets passing through the ultraviolet C radiation field, wherein the at least one air flow generating dev

Abstract: A handheld air purifier may include a suction body provided with a suction surface having a first and second frame, a fan to suction air, and a filter to filter suctioned air, a bending portion extending rearward from the suction body to bend upward, and a handle extending further from the bending portion and held by the user. The second frame may be provided behind the first frame and may include a protrusion that penetrates through the first frame to create a gap between the suction surface and a garment being treated to promote a free airflow through the handheld air purifier.

Abstract: According to one implementation, a centrifugal oil mist separator includes a duct, a fan and a power transmission mechanism. The duct forms a flow path of a first exhaust gas discharged from an engine. The first exhaust gas includes oil mist. The fan is disposed inside the duct. The power transmission mechanism rotates the fan using energy of a second exhaust gas discharged from the engine. The second exhaust gas includes no oil mist.

Abstract: Systems and methods are disclosed herein for controlling cooling fans in a self-propelled work vehicle having a main frame supported by wheels or tracks. The cooling fans direct ambient air in accordance with at least one inlet in the main frame, and selectively operate in first and second opposing directions. A perception system is supported by the main frame and configured to provide perception data (e.g., perception data) corresponding to a field of vision which includes the at least one inlet and at least a portion of an associated working area. A controller obtains the perception data and automatically determines characteristics relating to contamination of the cooling system based at least On the perception data. The controller further generates output signals to the cooling fans based on at least one of the determined contaminant characteristics, for example a debris location, type, density, and/or quantity as relating to contamination of the cooling system.

Abstract: A point of use air wand with a built in filtration system may include a wand including a filter body; a filter housed within the filter body; an input endcap attached to a first end of the filter body, the input endcap operatively attached to an air source; and an accumulator endcap attached to a second end of the filter body. Forced air may enter the wand through the input endcap, flow through the filter, and then out of the wand through the accumulator endcap.