48 results about "Airborne exposure" patented technology

The invention relates to a method for locating an anomaly in a rotor blade (6) of a wind turbine (1), comprising the following steps: - Detection of airborne sound by means of at least one airborne sound sensor (11, 21, 31) arranged within the rotor blade (6); - Detection of structure-borne sound by means of at least one structure-borne sound sensor (12, 22, 32) arranged in or on the rotor blade (6); - Determining time points (t K , t L ), to which an event in which airborne sound and structure-borne sound are emitted at an unknown origin position in or on the rotor blade (6) is reflected in the detected airborne sound and in the detected structure-borne sound; - Determining a time difference (Δt) between the times (t K , t L ); and - Determining the origin position based on the time difference (Δt) and the positions of the airborne sound sensor (11, 21, 31) and the structure-borne sound sensor (12, 22, 32). The invention further relates to an arrangement suitable for carrying out the method for locating an anomaly in a rotor blade (6) of a wind turbine (1).

The nose mask is intended to be used during an airborne pandemic. The nose mask is a single triangle / cone shaped that covers only the nose, that comes with two ear elastic bands or a single head elastic band for support. The nose mask is designed to be disposable with a filter for better protection and to minimize the passage of aerosols, fluids and airborne pathogen agents or to be made with washable material allowing users to re-use it.

A direct air capture system for capturing, containing, and transporting airborne matter includes a filter assembly, a particle container configured to receive airborne matter loosened from the filter assembly, a means for cowling venting configured to utilize vacuum pressure to transport the airborne matter. The system also includes an electric motor assembly having a motor drive, a drive gear, and a drive shaft, as well as at least one scrubbing brush configured to loosen airborne matter from the filter assembly.

A system for the detection of airborne viruses is disclosed. The system comprises at least one local detector, the local detector comprising an aerosol collection module arranged to gather the particulate matter from the aerosol sample onto a collection chip, an analysis module arranged for detecting the amount of the viruses that are part of the particulate matter contained in the collected aerosol sample, and an output module arranged to emit a warning signal when the total viral content surpasses a predetermined threshold.

Laboratory automation systems and instruments are disclosed herein comprising components that may facilitate de-contamination of the instrument using an airborne disinfectant. Maintaining the airborne disinfectant within a predetermined range can be achieved by creating a feedback loop between generating the airborne disinfectant from a disinfectant solution. Instruments disclosed can comprise vaporization modules in communication with reservoirs of a disinfectant solution, or receive cleaning cartridges comprising the disinfectant solution, which may be energized to generate the airborne disinfectant. Decontamination methods are also disclosed herein.

Aspects of the present disclosure include a filtration system. The filtration system includes a mask and a hybrid filter for use with an activated carbon-based filter and attachable to the mask. The mask may include an interface around a periphery of the mask for sealing engagement with a skin surface of a user. The hybrid filter may include a chamber configured to receive the activated carbon-based, an electro-ionic filter, and a Faraday cage. The electro-ionic filter is in series with the material-based filtration element and includes a plurality of electrodes arranged in series with each other. The electrodes of the plurality of electrodes are evenly spaced apart from each other in an alternating positive-polarity negative-polarity sequence. The Faraday cage surrounds at least the electro-ionic filter.

A method of control of an indoor space, in particular of parameters, preferably of well-being, of the indoor space; wherein the control method comprises the following steps of : determining, in particular calculating and / or measuring, at least three first parameters, preferably at least four or five first parameters, selected from the group of parameters : temperature; humidity; relative air speed; heat insulation of persons and / or current month; metabolic rate of persons; noise; carbon dioxide; carbon monoxide; volatile organic compounds (VOC); airborne particulate matter of the PM1 type; airborne particulate matter of the PM2. 5 type, airborne particulate matter of the PM10 type; - calculating an index, preferably related to well-being in said space, using the at least three parameters, preferably the at least four or five parameters; - comparing said index, preferably related to well-being in said space, to at least a threshold value range; if said index is outside the at least one threshold value range, defining how at least one second parameter must vary in order to bring said index within the at least one threshold range; wherein said second parameter is selected from the group of parameters : air speed, temperature, humidity, noise, carbon dioxide, carbon monoxide, volatile organic compounds (VOC); airborne particulate matter of the PM1 type, airborne particulate matter of the PM2. 5 type, airborne particulate matter of the PM10 type; and defining an action to be performed to achieve the defined change of said at least one second parameter.

Provided are innovative compositions for tethering blocking an inactivating of airborne respiratory infectious viruses. The compositions comprise bispecific proteins with two different antigen binding regions (ABR), which are typically configured as immunoglobulin “single variable domains” (ISV). A first ISV binds to a surface protein found on an airborne infectious virus. A second ISV binds to a mucin protein, e.g. a mucin protein present on ocular, nasopharyngeal, tracheal and / or oral surfaces of a mammal. The two ISV are joined by a polypeptide linker.

Systems, methods, and devices for the generation and execution of an environmental protection plan may be deployed to aid with a reduction of, for example, air-borne and / or surface pathogens within an environment. The environmental protection plan may use one or more sanitizing devices to emit sanitizing radiation (e.g., far UVC light) into the environment to kill or otherwise neutralize pathogens such as viruses and bacteria within the environment. At times, the environmental protection plan may be responsive to one or more aspects (size, objects contained therein) of the environment, a use for the environment, a modeled and / or actual pathogen load within the environment, desired levels of pathogen reduction within the environment, and / or human and / or animal safety limits for the sanitizing radiation.

The utility model discloses an isolation disinfection device which comprises a flow guide shell, an air cavity is formed in the flow guide shell, an air inlet is formed in the top of the flow guide shell, an air outlet is formed in the bottom of the flow guide shell, the air outlet inclines towards the ground and is annular, and an air blowing assembly is arranged in the middle of the air cavity; an isolation space formed by high-speed airflow blowing downwards can be formed, and the interior and the periphery of the space are killed while the isolation space is formed; after the isolation disinfecting and killing device is started, when a patient is located in the isolation space, due to the existence of the isolation space formed by high-speed airflow, infectious substances such as viruses, bacteria and unclean suspended matters in the air on the outer side of the isolation space can be isolated at the periphery of the space by the high-speed airflow and are disinfected and killed; therefore, the patient in the isolation space cannot be in contact with infectious substances when in the isolation space, and the risk of mutual infection is reduced.

Methods and devices for continuous flow monitoring of a liquid sample for presence of an airborne microbial pathogen are provided. The liquid sample can be derived from environmental air. The methods and devices provide for continuous labeling of a targeted pathogen in the liquid sample with a fluorescent probe. A customized fluorescence detector is provided that can detect labeled pathogens during continuous flow.

Allergen exposure chambers (AECs) can be used to produce controlled exposure to allergenic and non-allergenic airborne particles but at present cannot be used for double-blind, placebo-controlled, randomized clinical trials currently required by regulatory authorities. Accordingly, inventive naturalistic exposure chambers (NECs) designed to mimic the environment(s) within which a typical user / individual is exposed are outlined. Further, reproducible controlled allergen dispersal is achieved via robotic allergen aerosolization systems (AAS) which provide automated movement of the allergen source within the AEC as well as structure for acquiring and / or aerosolizing—distributing the allergen. Robotic AAS can be used to acquire only, distribute only, or acquire and distribute. Robotic AAS may also provide aerosolization of two or more allergens in defined manner.

A disposable or optically clear mask is provided that includes a mask body having a periphery and a strap attached to the mask body proximate the periphery for removably holding the mask on a user's face, the mask body having an inner layer made of a polymeric plastic material having a plurality of passages therethrough, the inner layer having an inner surface and an outer surface, and a porous glass filter functionalized with a visible light photocatalyst and abutting the outer surface of the inner layer. Also provided is a garment including glass fibers functionalized with a visible light photocatalyst.

A sterilization device configured to reduce the concentration of pathogens in the air within a room is provided. The sterilization device includes a light-emitting element that emits germicidal radiation to form a sterilized zone. The sterilization device may include a housing that defines the sterilized zone, the housing being mounted on, around, or near an air-moving device. The sterilization device cooperates with the air-moving device to move unsterilized air into the sterilized zone and return sterilized air to the room. The housing may include an inlet and an outlet in fluid communication with each other, configured to allow air to enter and exit the sterilized zone while preventing germicidal radiation from exiting the sterilized zone.

The present disclosure features methods and compositions for enhancing the ability of the respiratory membranes to filter airborne pathogens and protect a subject from respiratory infections that result from inhalation or ingestion of such pathogens. In particular, the disclosure provides antimicrobial compositions that prevent and treat respiratory infections caused by bacteria, fungi, and viruses.

Systems, methods, and devices for the generation and execution of an environmental protection plan may be deployed to aid with a reduction of, for example, air-borne and / or surface pathogens within an environment. The environmental protection plan may use one or more sanitizing devices to emit sanitizing radiation (e.g., far UVC light) into the environment to kill or otherwise neutralize pathogens such as viruses and bacteria within the environment. At times, the environmental protection plan may be responsive to one or more aspects (size, objects contained therein) of the environment, a use for the environment, a modeled and / or actual pathogen load within the environment, desired levels of pathogen reduction within the environment, and / or human and / or animal safety limits for the sanitizing radiation.

A facemask assembly can include an interior air filter that is replaceable and / or contains biocidal elements. The filter can capture exhaled H2O to activate silver ions creating a biocidal environment. In some embodiments, at least part of the facemask is made via additive manufacturing. A facemask frame assembly can create a pleated filter to increase surface area and bring the filter material closer to the mouth and nose. The facemask can include a facial skirt customized to the facial geometry of the wearer. The facemask can have a permanently sealed filter than can withstand boiling and autoclaving temperatures so the mask system can be sterilized without disassembly. In some embodiments, the facemask has a visible display of how many times the facemask has been sterilized. In some embodiments, the mask includes a RFID device that can transmit how many times the facemask has been sterilized.

A method is provided for detecting a composition of airborne particles. The method includes directing, with a pump, gas including particulate matter through a filter including an indicator dye. The method further includes causing a color change in the filter based on the particulate matter binding to the indicator dye. The method further includes transmitting, with an optical source, an optical signal at the filter. The method further includes detecting, with an imaging device, a reflected signal from the filter. The method further includes determining, with a processor, a value of a parameter of the particulate matter based on the color change, wherein the color change is based on the detected reflected signal.

The present invention relates to a system and method for generating and dispersing a mixture of nanoparticles and ions for neutralization of airborne pathogens in enclosed environments. A nebulizer introduces a salt precursor into a flame ionization stage, which produces a mixture of ions and nanoparticles at concentrations of at least 1.0×10{circumflex over ( )}12 particles per cubic centimeter of air. The nanoparticles have an average size of less than 10 nanometers, and at approximately equal proportions with the ions. The systems and methods of the present invention reduce the pathogen viability by neutralization, inactivation, and agglomeration, and operate substantially free of ozone and, in alternate embodiments, include a two-duct alternating filtration arrangement for efficiency. Methods of testing include introducing pathogen surrogates into a chamber, generating the mixture of nanoparticles and ions by flame ionization, dispersing the mixture, and analyzing samples using aerosol and microbiological characterization techniques.

The invention relates to a method for calculating a noise compensation for a concealed mounted ultrasonic sensor system (1), in particular for a vehicle with a wall material (2), comprising the following steps: detecting reference ambient information (100) using an ultrasonic sensor (5) of the ultrasonic sensor system (1), the reference ambient information comprising noise signal information (3) and / or air-borne sound signal information (4) related to the wall material (2); storing the reference ambient information (200); detecting real-time ambient information (300) using the ultrasonic sensor (5), the real-time ambient information comprising noise signal information (3) and / or air-borne sound signal information (4) related to the wall material (2); and forming a difference signal between pieces of ambient information (400) of the reference ambient information and the real-time ambient information using a calculation unit (6). The invention also relates to a system for calculating an ultrasonic compensation, the system having means for carrying out the steps of the method. The invention also relates to a vehicle having a system for calculating an ultrasonic compensation. The invention also relates to a computer program, a data carrier signal and a computer readable medium.

A torchiere style sanitizing device for disinfecting airborne pathogens while providing aesthetic area lighting. A reversible fan exchanges air between the upper room air plume and the lower air plume by passing the air through a center disinfecting section. The disinfection section may include a linear UV-C light, reflective tube, and light trap positioned at one or both ends of the disinfection section to maximize the exposure of the air to the UV-C light and contain the UV-C light within the device. The device includes a conventional illumination source in an upper shade and can selectively provide one of more of room air flow, room air disinfection, and room illumination.

A dry mist generating apparatus has a housing, an ultrasonic transducer, a fan inducing airflow within the plastic housing, a diffuser plate for directing airflow, increasing velocity, and decreasing pressure, at least one opening for releasing the resulting dry mist, and a reservoir for capturing droplets that exceed 4 microns. A dry mist system may include one or more sensors, communication devices, and processors, which are all configured to monitor and automatically sanitize a given area in response to a triggering event, such as detecting airborne pathogens. Separate zones may be defined, with each having at least one sensor and / or a dry mist generating apparatus. Some dry mist systems may be sized so as to be portable and placeable on a desk or counter with a swappable reservoir.

A bedside airborne pathogen control apparatus and system. A bedside airborne pathogen control apparatus and system may include an air treatment unit configured to be selectively coupled to a first surface of a hospital bed (e.g., a headboard, a footboard, or a side rail), an air terminal configured to be selectively coupled to a second surface of the hospital bed (e.g., the headboard, the footboard, or the side rail), and a flexible duct extending between the air treatment unit and the air terminal, wherein the flexible duct is configured to deliver a supply of air from an air outlet of the air treatment unit to the air terminal. The air treatment unit and the air terminal may be configured to establish a flow of air around the hospital bed to reduce the dissemination of airborne pathogens from an occupant of the hospital bed.

SYSTEM FOR DETECTING AIRBOUND VIRUSES.A system for detecting airborne viruses, the system comprising at least one local detector, the local detector comprising: an aerosol collection module configured to collect particulate matter from an aerosol sample onto a collection tip, an analysis module configured to detect the amount of virus that is part of the particulate matter contained in the collected aerosol sample, and an output module configured to issue a warning signal if the total virus content exceeds a predetermined threshold.

Hardware-based device for real-time acoustic condition monitoring in software-defined vehicle systems, comprehensive at least one acoustic sensor unit for detecting structure-borne and airborne sound signals from at least one vehicle component, a signal preprocessing unit with analog-to-digital converter and fixed filter architecture for frequency selection and noise reduction, an AI processing unit with a dedicated accelerator processor for executing a trained neural network for state classification, a volatile and a non-volatile memory for storing model parameters, reference patterns and system configuration data, an internal, access-controlled bus architecture for connecting the aforementioned units, as well as a communication interface for transmitting a deterministically generated state parameter to a vehicle control architecture, where the signal preprocessing unit and the AI ​​processing unit are integrated on a common physical support structure and form a closed, real-time capable processing chain.

A protection device for preventing exposure to undesired airborne material. The device including a filter assembly having a filter, and a proximal and a distal layer configured to hold the filter sandwiched between the proximal layer and the distal layer, a one-way valve positioned in the filter assembly and coupled to the proximal layer of the filter assembly, and a seal positioned along a peripheral edge of the filter assembly, the filter assembly and the seal defining a first safety compartment for enclosing a user's mouth and nose. The device can include an eye shield assembly having a skirt extending from the filter assembly and positioned distal to the seal, an optically transparent eye shield coupled to the skirt to form a continuous surface from the filter assembly to a top portion of the eye shield, and a frame coupled to the frame assembly and eye shield assembly.

The disclosed multifunctional germicidal device and method is a mobile floor air convection system equipped with a lifting actuator, which includes a disk mounted with an electromagnetic radiation swing head having a zoom and focusable UV beam projector that sweeps across a horizontal plane to inactivate airborne pathogens. An open-ended germicidal chamber behind an open center nozzle is equipped with a multi-wavelength UV lamp to inactivate passing pathogens and to irradiate a TiO2-coated charge plate to generate hydroxyl radicals. A fan propels contaminated air through the chamber, expelling a mixture of residual pathogens and air through the nozzle to produce a high-speed air mixture that moves away from the opening. The swinging and focused UV beam forms a tubular virtual cage that encircles the outgoing pathogens for continuous inactivation. Forced convection of pathogens dispersed to the floor is picked up by a floor fan and sent back to the chamber and UV beam for repeated inactivation.

An ultraviolet C self-sterilizing germicidal light airborne pathogen killing system for ultraviolet C self-sterilization of door access devices, such as door handles, door levers, door push plates for hand sanitation, which includes a door access device associated with a door jamb, a module affixed to the door access device, a source of electricity associated with the door access device, a device for electrically powering the module, a device for the module to sanitize air for hand sanitization, and a device for activating the module for hand sterilization. The system may be of varying sizes depending on room measurements / needs and the module may contain its own batteries, may run on direct electrical wiring using a concealed power transfer system or may use any related battery or power source. The module may also be functional when utilized as a stand-alone device without being associated with door access devices.