Abstract: An air cleaning apparatus includes ion generation electrode, a collecting electrode, and a support portion. The ion generation electrode is configured to apply a high-voltage to thereby form a high-voltage electric field between the collecting electrode and the ion generation electrode. A passage is formed between the ion generation electrode and the collecting electrode along the high-voltage electric field direction. The support portion is configured to provide electrical isolation and mechanical support for the ion generation electrode and the collecting electrode. A surface of the support portion between the ion generation electrode and the collecting electrode comprises a surface coating layer configured to resist ion bombardment and the accidental arcing. A transformer frequency adjusting system includes a frequency storage cell, a control module, and a drive module, and can work with the air cleaning apparatus, alone, or with other apparatuses.

Abstract: A medical fluid filter system is provided comprising a housing having: a liquid trap chamber having a volume; a filter media chamber; a filter media arranged within the filter media chamber; the liquid trap chamber having a liquid trap outlet port in fluid communication with the filter media chamber; the liquid trap outlet port configured and arranged within the liquid trap chamber to inhibit flow of liquid from the liquid trap chamber to the filter media chamber and configured and arranged to allow gas to flow from the liquid trap chamber to the filter media chamber; a filter system inlet passing through the housing for intake of fluid originating from a surgical site; and a filter system outlet passing through the housing for fluid exhaust.

Abstract: A filter assembly for an active field polarized media air cleaner includes a conductive screen that conducts a high voltage therethrough, a probe that delivers voltage to the conductive screen, and a conductive patch adhered to the conductive screen. The probe delivers the high voltage to the conductive screen through the conductive patch.

Abstract: A ventilation structure (10A) includes a housing (50) having an opening portion (50a) and a ventilation member (1A) formed of a porous resin and attached to the housing (50) so as to cover the opening portion (50a). In the ventilation structure (10A), the ventilation member (1A) is fitted to a side surface (50d) of a projecting portion (50b) provided on an outer surface of a wall portion (50g) of the housing (50), with at least one of the projecting portion (50b) and the ventilation member (1A) being elastically deformed.

Abstract: A pre-filter includes a first stage, a second stage, and a third stage. The first stage includes a first stage screen, a brush disposed against the first stage screen, and an actuator to move the brush and the first stage screen relative to one another. The second stage includes a centrifugal separator. The third stage includes a filter media having pores of a predetermined size.

Abstract: An automatic regeneration controller for a particular filter comprises an engine controller, a unit controller, and a load application cancellation switch. With filter regeneration being started by determination of particulate accumulation and with an idling or light-load operation being conducted, load request to a work unit is outputted from the engine controller to the unit controller. Then, when load application is not possible or the load application cancellation switch is on and, in addition, exhaust temperature is not maintainable with no load application, a regeneration stop signal is outputted from the unit controller to the engine controller and a regeneration stop signal reception process is conducted in the engine controller, and with no forced load application to a hydraulic unit, fuel addition is stopped to stop automatic regeneration control.

Abstract: A device and method include ionizing particles to be captured, creating electric fields to polarize mats of filter material, and trapping the ionized particles in the polarized mats.

Abstract: Embodiments of the present disclosure may suppress conduction between an anode and a cathode caused by condensed water in an oil removal apparatus in which oil particles are collected in a filter disposed between the anode and the cathode. An insulating layer may be sandwiched either between the filter and at least one of the anode and the cathode of the bipolar electrode, or within the filter so as to extend in a flow direction of blow-by gas, and may have an insulating property so as to prevent condensed water generated when moisture in the blow-by gas condenses, from connecting the anode and the cathode of the bipolar electrode.

Abstract: An arrangement and method in connection with an electric filter of a boiler plant, the electric filter comprising an insulator chamber. The arrangement comprises a first scavenging duct for conveying warm scavenging gas to the insulator chamber. Said first scavenging duct is connected to a channel conveying process gas in the boiler plant, which means that it is possible to supply process gas to the insulator chamber.

Abstract: A filter element having a longitudinal center axis for a fresh air system of an internal combustion engine may include a first plate filter body composed of a pleated filter material and a separate second plate filter body composed of a pleated filter material. The filter element may include first wall body and a second wall body, and a first end body and a second end body. The first wall body, the second wall body, the first end body and the second end body may be connected to the first plate body and the second plate filter body to define an inner space. At least one of the first plate filter body and the second plate filter body may include a curvature projecting to the interior space in a profile extending transversely to a longitudinal direction with respect to the longitudinal center axis.

Abstract: An assembly having an intake connector with an air entrance for an air-conditioning system and a filter element having a concertina bellows having peripheral troughs and peripheral peaks, wherein the filter element has a water-repellent filter medium and wherein the filter element at least partially covers the air entrance, suitable for discharging snow and water, in particular snowmelt, to avoid flow into the air-conditioning system of a motor vehicle and to minimize damage to a filter element, wherein the concertina bellows is disposed so as to be inclined at an angle of 5° to 90°, preferably at an angle of 15° to 85°, in relation to the horizontal, wherein the filter element has an outflow unit for a water outflow from the peripheral troughs.

Abstract: A wet-type electric dust collection device and low-concentration SO3 mist containing, in which the wet-type electric dust collection device has an electrical field formation part in which a plurality of discharge electrodes are provided on opposing surfaces of a first electrode and second electrodes for forming a DC electrical field. The discharge electrodes of the first electrode and the discharge electrodes of the second electrodes generate corona discharges that are reversed in polarity relative to each other. The gas containing the SO3 mist and the dust is guided to the electrical field formation part without electrically charging the SO3 mist and the dust or spraying a dielectric in the gas, and while the gas flows between the electrodes, the corona discharges impart electric charges of alternately reversed polarity to the SO3 mist and the dust. The first electrode and the second electrodes collect the charged SO3 mist and dust.

Abstract: A refrigerator appliance includes a cabinet defining a fresh food chamber, and a fresh food door rotatably hinged to the cabinet for accessing the fresh food chamber. The fresh food door includes an inner surface, an outer surface and a side surface extending between the inner surface and the outer surface. The fresh food door is rotatable between an open position and a closed position. The refrigerator appliance further includes a passive storage compartment defined within the fresh food door, and a compartment door coupled to one of the inner surface or the outer surface for accessing the storage compartment. The compartment door is movable between an open position and a closed position. The passive storage compartment maintains a temperature greater than a fresh food chamber temperature and less than an ambient temperature when the fresh food door and compartment door are closed and the refrigerator appliance is operational.

Abstract: A clothes dryer vent lint filter including a one-piece construction manifold unit installable within a vertical extension section of a dryer outlet pipe. The manifold unit includes a removable filter body and a lint cleanout area with a removable threaded cap.

Abstract: An improved filter mounting mechanism for laboratory work cabinets, especially biological safety cabinets, enables simple and quick removal and replacement of a filter supported in the cabinet housing between a work chamber and a filtration chamber. The filter mounting mechanism includes a stationary filter support surface between the work chamber and the filtration chamber, and a filter clamping surface movable toward and away from the filter support surface between a clamping position relatively proximal to the filter support surface for holding the filter in an operational disposition against the filter support surface and an installation position relatively distal to the filter support surface for permitting insertion and removal of the filter between the filter support and clamping surfaces. An extensible and retractable linkage mechanism, e.g.

Abstract: In one aspect there is provided a fluid treatment system for treating a contaminated fluid having a gaseous contaminant mixed or dissolved in the liquid portion thereof. The system comprises a generally enclosed and substantially airtight container defining an interior volume. The container comprises an inlet to receive the contaminated fluid, a gas outlet to discharge any gaseous contaminant and a liquid outlet to discharge any liquid that may be separated from said contaminated fluid. During operations, the container is sealed to maintain a seal between the interior volume and any outside environment, so as to prevent the escape of any liquids and gasses out of the interior volume, except as may be provided for via the inlet, the gas outlet or the liquid outlet. Also during operations, a continuous headspace is maintained between the at least one inlet and the at least one gas outlet.

Abstract: In a method for operating a surface treatment installation, overspray produced in a coating booth is taken up by an air stream and carried to one or more one-way filter modules, in which overspray is separated. Once a limit loading with overspray is reached, a one-way filter module is exchanged for an empty one-way filter module. Depending on the nature and characteristics of the overspray, the one or more one-way filter module(s) may be chosen from a set of different one-way filter modules. A set of filter modules for use in a surface treatment installation is provided having various filter modules formed as exchangeable one-way structural units with a module housing and a filter unit. The module housings of the various filter modules have the same-connection module inlets and the same-connection module outlets and at least the filter units of two different filter modules are formed differently.

Abstract: The present disclosure relates to an air handling system including a casing structure formed from a cohesive sheet of material. The air handling system also includes a first side wall of the casing structure including a first section of the cohesive sheet of material. The air handling system also includes a first support portion extending inwardly from the first side wall. The first support portion includes a folded portion of the first side wall. The air handling system also includes a second side wall disposed substantially opposite the first side wall. The second side wall includes a second section of the cohesive sheet of material. The air handling system further includes a second support portion extending inwardly from the second side wall. The second support portion includes a folded portion of the second side wall. The first and second support portions are configured to support a filter.

Abstract: An air cleaner includes a housing having an air inlet and an air outlet. The air cleaner further includes a filter media coupled to the housing and positioned between the air inlet and the air outlet, the filter media configured to filter an air flow that enters the housing through the air inlet and exits the housing through the air outlet. The air cleaner includes a rectifier coupled to the housing and positioned at a location downstream of the filter media, the rectifier including an outer ring that is orthogonally oriented with respect to the air flow.

Abstract: A debris shield is disclosed for preventing debris from being sucked into the recirculate inlet of certain trucks used in the rental truck industry and thereby clogging the air conditioning evaporator coils and other components of the air conditioning system. The shield includes a segmented frame configured to fit over an opening of the system in such a way that any debris sucked into the recirculate inlet within the cab encounters and is arrested by the shield before reaching sensitive components. A method of shielding an automotive air conditioning system from entrained debris also is disclosed.