An air treatment device includes a casing with an air inlet and an air outlet. Air flows through the casing and an air treatment section in the casing. The air treatment section includes a fan for generating a flow of air from the air inlet to the air outlet, a filtering means arranged within the flow of air, a first pressure sensor to measure a first pressure in the flow of air, a second pressure sensor to measure a second pressure in a room or cabin surrounding the air treatment device, and a control unit. The control unit is configured to adapt a speed of the fan based on the measured first pressure and the measured second pressure to control a flow of air through the air treatment device.

Air filtration assemblies configured to provide instant detection of particles and/or improve particle filtration are disclosed. The assemblies may include an air inlet duct in fluid communication with a compressor of a gas turbine system. The air inlet duct may include an inlet for receiving intake air including intake air particles, and an outlet positioned opposite the inlet. The assembly may also include a plurality of vane filters at the inlet, an array of fabric filters positioned in the air inlet duct, downstream of the vane filters, and a silencer assembly positioned in the air inlet duct, downstream of the fabric filters. Additionally, the assembly may include an electrostatic component positioned in the air inlet duct, downstream of the fabric filters. The electrostatic component may be configured to charge the intake air particles that pass through the vane filters and the fabric filters.

The invention concerns a method for drying at least one cell of the electrostatic precipitator of a smoke treating unit in a system of a coffee beans roasting apparatus and a smoke treating unit, said method comprising the step of passing hot air through said cell, while said cell is positioned inside the electrostatic precipitator and while said cell is switched off.

This publication discloses a filter unit connectable to a mobile communication device including a fan for generating an air flow inside the filter unit, electrodes covered with a photo catalytic material like TiO.sub.2 in the air flow, UV-LEDs illuminating the electrodes, and outlet for the air flow directed in direction of user of filter unit.

In general, embodiments of the present invention are related to an apparatus and method of use of such apparatus for the personal filtration of air. Particularly, embodiments of this invention relate to the filtration of air for a singular individual to inhale.

Devices, systems and methods are disclosed which relate to using a wet foam elution method for removal of particles from a flat filter. Particles are captured from the atmosphere onto the flat filter. The flat filter is then placed into an extractor which passes a stream of wet foam through the flat filter. Expansion of the foam works to efficiently remove captured particles. The foam flows from the filter along with the captured particles into a sample container. Once in the sample container, the foam quickly breaks down leaving an analysis ready liquid sample.

An air purifying bed tent is disclosed, having a tent made from a semipermeable material suspended over a raised platform, thereby creating an enclosure for a user to be inside. An air purifying device is connected to the top of the tent, letting purified air into the enclosure and creating a local clean air zone for users. The positive pressure difference building up in the enclosure from the constantly added clean air forces clean air out through a plurality of openings, primarily through creases in the semipermeable material around the raised platform. Should the skirting be completely sealed, the semipermeable material will let out the pure air to a higher degree, ensuring a stable and easy touse operation.

Proposed are an air purification filter (1) and an air purifier (200) including the same. The air purification filter includes a filtering layer (30) configured as a dielectric which collects minute particles, a pair of electrode layers (50, 70) laminated on opposite sides of the filtering layer (30), respectively, and configured to receive power so as to generate polarization through an electric field in the filtering layer (30), and a connection module (100, 100′). The connection module (100, 100′) is coupled to at least any one of the opposite ends of the pair of electrode layers (50, 70) such that the coupled portion of the connection module is insulated from an outside thereof and is electrically connected with an external power supply part.

A medical mask restoring device (1) includes an electric corona radiating net (2) producing an electric corona, an ion transmitter (12) connected with the electric corona radiating net, and at least one electricity supply (11) connected with the ion transmitter. Thus, the medical mask restoring device provides a restoring effect to the medical mask (A).

Proposed is an air purifying filter. The air purifying filter includes a filtering layer (30) configured as a dielectric which collects minute particles, a first electrode layer (50) laminated on a side of the filtering layer (30) and comprising insulated wires (51) to which power is able to be applied, and a second electrode layer (70) laminated on a side of the filtering layer (30) opposite to the side of the first electrode layer and comprising a conductive material such that a polarity opposite to a polarity of the first electrode layer (50) is applied to the second electrode layer or the second electrode layer is grounded.