Abstract: A filter media analysis system which utilizes particulate buildup to close notches or breaks provided along a passive circuit, wherein closure of the notches results in an activation of the circuit and transmission at a particular frequency which activation and transmission can be correlated to a life cycle point of the filter media.

Abstract: A computer implemented system and process of analyzing real-time measurements of a one or more air quality sensors to provide an calculated estimate of airborne virus infection and air quality evaluation from current air quality measurements, advise those at risk, advise responsible parties of recommended actions to take, and in some embodiments take direct action in communication of instructions to air filtration and treatment equipment and HVAC systems to improve outside air flow, increase filtration, treat contaminated air and reduce humidity and reduce the risk of airborne virus transmission. Sensor data, calculated airborne infection risk, air quality, warnings and reports are created and distributed to network connected devices.

Abstract: A computer implemented system and process of analyzing real-time measurements of a one or more air quality sensors to provide an calculated estimate of airborne virus infection and air quality evaluation from current air quality measurements, advise those at risk, advise responsible parties of recommended actions to take, and in some embodiments take direct action in communication of instructions to air filtration and treatment equipment and HVAC systems to improve outside air flow, increase filtration, treat contaminated air and reduce humidity and reduce the risk of airborne virus transmission. Sensor data, calculated airborne infection risk, air quality, warnings and reports are created and distributed to network connected devices.

Abstract: A computer implemented system and process of analyzing real-time measurements of a plurality of air quality sensors to provide an calculated estimate of airborne virus infection and air quality evaluation from current air quality measurements, advise those at risk, advise responsible parties of recommended actions to take, and in some embodiments take direct action in communication of instructions to air filtration and treatment equipment and HVAC systems to improve outside air flow, increase filtration, treat contaminated air and reduce humidity and reduce the risk of airborne virus transmission. Sensor data, calculated airborne infection risk, air quality, warnings and reports are created and distributed to network connected devices.

Abstract: A computer implemented system and process of analyzing real-time measurements of a plurality of air quality sensors to provide an calculated estimate of airborne virus infection and air quality evaluation from current air quality measurements, advise those at risk, advise responsible parties of recommended actions to take, and in some embodiments take direct action in communication of instructions to air filtration and treatment equipment and HVAC systems to improve outside air flow, increase filtration, treat contaminated air and reduce humidity and reduce the risk of airborne virus transmission. Sensor data, calculated airborne infection risk, air quality, warnings and reports are created and distributed to network connected devices.

Abstract: Disclosed is a media suitable for use in a humidifier. The media is water vapor exchange media composed of two components. One component is a nonwoven web for water vapor exchange. A second component includes low melt polymeric fibers such as a polypropylene nonwoven web. The second component seals the first component, preventing exchange of gas through the media. The media is suitable for humidifier components, such as a humidifier component used in a fuel cell system.

Abstract: A filter media analysis system which utilizes particulate buildup to close notches or breaks provided along a passive circuit, wherein closure of the notches results in an activation of the circuit and transmission at a particular frequency which activation and transmission can be correlated to a life cycle point of the filter media.

Abstract: Disclosed is a media suitable for use in a humidifier. The media is water vapor exchange media composed of two components. One component is a nonwoven web for water vapor exchange. A second component includes low melt polymeric fibers such as a polypropylene nonwoven web. The second component seals the first component, preventing exchange of gas through the media. The media is suitable for humidifier components, such as a humidifier component used in a fuel cell system.

Abstract: Filter media comprising a splittable multicomponent fiber, wherein at least a portion of the splittable multicomponent fiber is present in the filter medium in split form as at least a first split component and a second split component, and a monocomponent fiber are provided herein. Methods of preparing the filter media are also provided herein.

Abstract: Disclosed is a filter (10) for liquid fluid, in particular lubricant, particularly motor oil, or fuel, in particular of an internal combustion engine, a filter element (16) and a filter housing (12). The filter housing (12) has at least one inlet (24) for fluid to be cleaned and at least one outlet (22) for cleaned fluid. The filter (10) has at least one hollow filter element (16), which is arranged in the filter housing (12) such that it separates at least one inlet (24) from at least one outlet (22). The filter element (16) has at least one filter medium (26), which is at least partly surrounding at least one internal space (28) of the filter element (16) circumferentially relating to an axis (20). The at least one filter element (16) has at least one passage (34) for connecting at least one internal space (28) fluid-ducting to at least one inlet (24) or at least one outlet (22).