The present invention provides a wireless rechargeable and portable anti-microbial respirator. The respirator includes a face-piece with an air inlet and an air outlet; a first belt and a second belt, the first belt is connected to ends of the face-piece, and the second belt is configured to wrap around the waist of a user; a flexible outlet tube, where the first end of the flexible outlet tube is connected to the air outlet of the face-piece; a flexible intake tube, where the first end of the flexible intake tube is connected to the air inlet of the face-piece; and a filtration system fixed onto the second belt. The key features of the respirator in the present invention include highly antibacterial and antiviral, long duration, reusable, self-cleaning and self-disinfecting, lightweight and portable, wireless power transfer, and great airflow and comfortable breathing.

The present invention provides a wireless rechargeable and portable anti-microbial respirator. The respirator includes a face-piece with an air inlet and an air outlet; a first belt and a second belt, the first belt is connected to ends of the face-piece, and the second belt is configured to wrap around the waist of a user; a flexible outlet tube, where the first end of the flexible outlet tube is connected to the air outlet of the face-piece; a flexible intake tube, where the first end of the flexible intake tube is connected to the air inlet of the face-piece; and a filtration system fixed onto the second belt. The key features of the respirator in the present invention include highly antibacterial and antiviral, long duration, reusable, self-cleaning and self-disinfecting, lightweight and portable, wireless power transfer, and great airflow and comfortable breathing.

According to an exemplary embodiment of the present disclosure, power is temporarily supplied to the basic dust collector and the first dielectric is charged with an electric charge, and then power supplying is stopped and dust-containing gas passes through a space between a plurality of basic dust collectors or a space between roll-type basic dust collectors to perform dust collection, and as a result, dust can be collected while the use of power supplied to a DC power supply unit from an external power supply is minimized, and further, dust collection efficiency can be increased by a concentration and distortion phenomenon at a portion where the first electrode forming a predetermined pattern is formed in the basic dust collector.

A hybrid composite discharge electrode (HCDE) (20) includes at least one metal layer (22) and at least one carbon fiber layer (26). The HCDE (20) improves the stability and uniformity of the corona while being corrosion-resistant, lightweight, and compact. Additionally, a method of making a HCDE (20) is provided. In another aspect, an electrostatic precipitator (60) is provided and includes a hybrid composite discharge electrode (62).

The present invention relates to an electrical dust collection device comprising: a charging part for applying charges to dust particles introduced from the outside; a dust collection part for collecting, by electric attraction, the dust particles charged by the charging part, wherein the charging part uses a first charging plate and a second charging plate, in parallel, in the movement direction of dust, thereby increasing an assembly property and further increasing dust collecting efficiency through stable charging, and the dust collection part comprises a first connection portion that continues at one side of a plurality of first dust collection plates, thereby increasing productivity and dust collecting performance.

The present invention relates to an electrical dust collection device comprising: a charging part for applying charges to dust particles introduced from the outside; a dust collection part for collecting, by electric attraction, the dust particles charged by the charging part, wherein the charging part uses a first charging plate and a second charging plate, in parallel, in the movement direction of dust, thereby increasing an assembly property and further increasing dust collecting efficiency through stable charging, and the dust collection part comprises a first connection portion that continues at one side of a plurality of first dust collection plates, thereby increasing productivity and dust collecting performance.

An air filtering device is provided, including: a plurality of metal nets, arranged in interval in a filtering path, respectively connected to a pole of at least one high-voltage power source to provide electric fields, adjacent two of the plurality of metal nets having opposite polarities; wherein at least one of the plurality of metal nets is of an electric characteristic which is time-variant relative to a constant reference level so that the electric field of the at least one of the plurality of metal nets is time-variant.

An air filtration system having a housing. The housing has an inlet, a frame unit, a filter unit, and an outlet. A fan is positioned in the air filtration system or not, and pulls or pushes air into the inlet, and through the outlet, and has the air pass through the filter unit. The filter unit has a first and a second expanded metal metallic plate. The first plate has a first plurality of apertures, and the second plate a second plurality of apertures. Each plate has a coated layer of a dielectric conducting and antimicrobial agent polymer material. The frame unit secures the first expanded metal metallic plate at a first position in the housing, the second expanded metal metallic plate at a second position in the housing, and ensures, when the first and second expanded metal metallic plates are securely positioned in the housing, that the first expanded metal metallic plate is adjacent to the second expanded metal metallic plate and wherein a portion of the first expanded metal metallic plate contacts or is within 20 millimeters from the second expanded metal metallic plate and each aperture of the second plurality of apertures misaligns with an aperture of the first plurality of apertures.

A base body of a dust collector includes a pedestal, and partition plates arranged on the pedestal. The partition plates are made of insulating materials. A plurality of baffle partition plates are arranged in a length direction of the pedestal at intervals. A slot for inserting electrode sheets is formed between the adjacent partition plates. The dust collector includes the base, and further includes a collector electrode sheet and a discharging electrode sheet.

A base body of a dust collector includes a pedestal, and partition plates arranged on the pedestal. The partition plates are made of insulating materials. A plurality of baffle partition plates are arranged in a length direction of the pedestal at intervals. A slot for inserting electrode sheets is formed between the adjacent partition plates. The dust collector includes the base, and further includes a collector electrode sheet and a discharging electrode sheet.