An air purifier includes a ventilation cover, a filtering component, and a sterilization component. The ventilation cover has an air inlet and an air outlet. The filtering component is fixed at the air outlet. The sterilization component is disposed between the air inlet and the air outlet. An air ventilation device may include the air purifier.

A magnetized fastening system for applying, over an opening and surrounding fascia of a structure, a covering material including either of a flexible or rigid outer reinforced extending perimeter within which is configured a plurality of receiving apertures. A plurality of rails are adapted to being secured to the fascia in extending fashion proximate the opening, each of the rails exhibiting a three dimensional cross sectional shape with a forwardly projecting support surface within which is configured an outwardly facing narrowed slot for receiving a plurality of fasteners for securing the edges of the covering. A magnetized insert secures together the elongated channels in perimeter defined fashion over the intake opening. This can further include any of the channels being magnetically attracting, the connectors magnetically attracting metal intake surface of the air handling unit, and/or an intermediate applied strip between the rear surfaces of the channels and the intake face (typically non-metallic or non-attracting in this variant), such providing an opposite polar attraction to the magnet contained in the corner L or intermediate, linear T or cross shaped inserts, such as which can include a rare earth magnet contained in a pocket configured on an inside face of the insert.

A wearable air purifier assembly includes a wearable member, a first air purifier, and a second air purifier. The first air purifier and the second air purifier are detachably connected to two opposing sides of the wearable member and each have a separate use mode and a connected use mode. When in the separate use mode, the first air purifier and the second air purifier are separated from the wearable member and used independently for supplying filtered air. When in the connected use mode, the first air purifier and the second air purifier are connected to the wearable member and can be adjusted through an adjustment module to a desired use direction for supplying the filtered air to a desired position. The wearable air purifier assembly provides different use modes, not limited to wearable use, increasing the flexibility of product use.

This invention pertains to interchangeable, disposable, air filtration pads, which work in conjunction with its double-sided flexible magnetic gaskets and mats. This system works both for return and supply side of the HVAC system. This multi-adaptable double-sided magnetic mat system is easily attachable and removable and compatible to current factory vent plates, and HVAC systems.

Methods for operating a device for filtering a gas stream, having a vessel partitioned into a first stage and a second stage, with an opening between stages. A filter element is positioned in the opening, with ends of the filter element extending into the first and second stages. The first member is removable from the second member while the filter element is positioned in the opening, to allow for replacement with a new clean member.

An air cleaner includes a case, an air inlet, an air outlet, a grill covering the air inlet to filter airborne oil droplets, a fan to suction air through the air inlet and discharge air out of the air outlet, a roll filter provided between the grill and the fan to filter oil mist, and a filter roller to cut the roll filter. The roll filter includes a roller and a filter sheet wound around the roller, and the filter sheet may be unwound to extend behind the grill. When the filter sheet becomes dirty, the roll filter is further unwound so that a clean section is provided behind the grill, and the filter cutter may cut off the dirty section. During cutting, a clamp holds down the filter sheet. The case includes a slit through which the dirty section of the filter sheet passes for discarding.

A door and door closure system for an air filter cabinet are described herein. One device includes a magnet recess, a magnet coupled to the magnet recess and configured to engage with a magnet recess of a frame of an air filter cabinet and automatically align the door with the frame of the air filter cabinet when engaged with the magnet recess of the frame, and a handle adjacent the magnet recess of the door.

A magnetized fastening system for applying, over an opening and surrounding fascia of a structure, a covering material including either of a flexible or rigid outer reinforced extending perimeter within which is configured a plurality of receiving apertures. A plurality of rails are adapted to being secured to the fascia in extending fashion proximate the opening, each of the rails exhibiting a three dimensional cross sectional shape with a forwardly projecting support surface within which is configured an outwardly facing narrowed slot for receiving a plurality of fasteners for securing the edges of the covering. A magnetized insert secures together the elongated channels in perimeter defined fashion over the intake opening. This can further include any of the channels being magnetically attracting, the connectors magnetically attracting metal intake surface of the air handling unit, and/or an intermediate applied strip between the rear surfaces of the channels and the intake face (typically non-metallic or non-attracting in this variant), such providing an opposite polar attraction to the magnet contained in the corner L or intermediate, linear T or cross shaped inserts, such as which can include a rare earth magnet contained in a pocket configured on an inside face of the insert.

An air filter system adapted to prevent pet hair, dander and other pet particulate from damaging electronic devices is provided. The air filter system may include filter frames adapted to circumscribe the vents of the electronic devices. The filter frames may include a magnetic layer to removably attaching the filter frames to the electronic devices.

This invention pertains to interchangeable, disposable, air filtration pads, which work in conjunction with its double-sided flexible magnetic gaskets and mats. This system works both for return and supply side of the HVAC system. This multi-adaptable double-sided magnetic mat system is easily attachable and removable and compatible to current factory vent plates, and HVAC systems.