A grounded FRL for treating a pressurized air supply has a housing with a connecting mechanism for connecting to a collector bowl. The collector bowl is made from a metal base material and has an open end with a connecting mechanism and a closed distal end. The housing has a flange that is electrically conductive and extending downwardly at an exterior of the bowl. At least one grounding clip member is made from electrically conductive material and has an exterior mounting end attached to the flange for electrical connectivity thereto and has a radially inner end that electrically makes contact with the metal base materials of the collector bowl and the housing.

An electrostatic filter unit for an air cleaning device includes an ionization unit for charging a particle contained in an air flow, a separation unit arranged downstream of the ionization unit in a direction of flow of the air, with the separation unit including at least two collecting electrodes which are air-permeable, and a protection element for at least one element of the ionization unit.

A filter module, including a plurality of filter elements for separating overspray from an air flow, the filter module including a reusable and cleanable frame configured as a support structure for components for collecting overspray, and a plurality of components inserted into the frame for collecting overspray, wherein the components for collecting overspray are at least filter elements and linings in the frame, which are configured as disposable, single-use products the filter elements form at least a first filter stage, and all the surfaces of the frame which are exposed to the air flow upstream of the first filter stage are provided with the linings such that the surfaces of the frame are protected against overspray.

Provided is a filter module including a filter arranged on a flow path through which air passes, a first electrode arranged to face a first surface of the filter and a second electrode arranged to face a second surface of the filter opposite to the first surface, wherein a space is maintained in at least one of between the first surface and the first electrode or between the second surface and the second electrode through a spacer, so that the first electrode and the second electrode are prevented from being electrically connected to each other through foreign substances that are collected by the filter at a predetermined amount or more.

An oil separator providing a housing with an inlet for an oil-gas mixture and which defines a space that is closed off my means of a lid, whereby a screen is provided in the aforementioned space in which a filter element is provided and a pipe or collector that connects the interior of the filter element to an outlet in the housing for purified gas, whereby this filter element has a lid and a bottom for collecting oil that has been filtered out, whereby a drainage line is provided for the removal of the oil that has been filtered out, wherein the pipe or collector runs to the lid of the filter element and is connected thereto by means of an electrically conductive connecting element, whereby the sidewall of the pipe or collector is provided with at least one opening for the removal of purified gas.

The present disclosure is directed methods and apparatus of a V-Bank filtration system capable of maintaining desired air flow rates while effectively filtering the air. These methods and apparatus charge particles and then capture those particles in a filter medium. Once captured in the filter medium, micro-organisms are exposed to high energy electric fields that may degrade and ultimately destroy the captured micro-organisms. Electric fields generated within portions of the V-Bank filter apparatus may also be contained within the portions of the filter apparatus based on exterior parts of these portions being grounded at Earth ground potential. Magnetic fields (or electro-magnetic fields) associated with the generated electric fields may also be contained within the portions of the apparatus based on the exterior parts of these portions being grounded.

A frameless EMC air filter for a conductive enclosure includes a body comprising a conductive layer disposed between two filtering layers, the air filtering layers forming a periphery of the body. The frameless EMC air filter further includes one or more bare edge portions that extend outwardly past the periphery of the body. Each bare edge portion is formed by an extension of the conductive layer capable of providing direct electrical contact with the conductive enclosure.

A system includes an array of connected disinfecting filter assembly modules arranged in a plane to filter air that passes through the array as the air flows along an airflow pathway through the array. Each module includes a housing that defines a first slot and a second slot, and a power control unit. A pre-filter can be slid in its operating position along the first slot of the housing, and an electrically enhanced filter can be slid in its operating position along the second slot. The electrically enhanced filter includes a high voltage wire and a ground grid to create an electric field the high voltage wire and the ground grid and an electrical contact pad that electrically connects the power control unit to the high voltage wire when the electrically enhanced filter is located in its operating position in the second slot of the housing.

A filter insert for installation in a fluid filter has at least one main separator for separating liquid from aerosol. The main separator is supported at a main separator support tube. The filter insert further has at least one post separator for separating liquid from aerosol that is supported at a post separator support tube. The post separator is arranged downstream of the main separator in a flow direction of a fluid to be cleaned. The post separator is arranged concentric to the main separator and is radially spaced by an intermediate space from the main separator. The post separator support tube is configured to add axial elasticity to the support tube.

A vertically oriented dust collector configured to filter dry particulate matter from an air stream comprises a housing containing at least one cartridge. Each cartridge comprises a filter pan having an opening with a filter incorporated into the opening. The filter pan has at least one alignment opening. The housing further comprises at least one pair of rails oriented parallel to each other within the housing onto which each cartridge is mounted and at least one alignment block sized and shaped to correspond to the alignment opening of the filter pan. The alignment block is positioned such that when the cartridge is installed in the housing, the alignment opening of the filter pan aligns with the alignment block.