877 results about "Filter media" patented technology

A regenerative filter that includes a filter housing having inlet and outlet zones; a fluid path provided between the inlet and outlet zones; a plurality of filter elements each having an outer surface filter media applied thereto and functioning to filter particulate or contaminants from the fluid path. The filter elements are disposed in an monolithic array. An inlet port arrangement is disposed at the filter housing leading to the inlet zone and is constructed and arranged to direct the fluid path into the filter housing in a manner so as to maintain a controlled turbulence at the inlet zone. The inlet port arrangement comprises a pair of inlet ports that are arranged in juxtaposition at the inlet zone and each having one end where the fluid flow enters. Embodiments that are considered as falling under the scope of the present invention include 1. Single inlet / two or more outlets; 2. Two or more inlets / single outlet, or 3. Two or more inlets and two or more outlets.

A water treatment system includes a main container defining an interior and having an upper edge, a reservoir removably insertable into the interior and located upon the upper edge, the reservoir defining a cartridge seat including a plurality of holes in communication with a helical thread, and an annular landing vertically depending from the thread, a filter cartridge including a cap associated with a sump body and having a filter media in the sump body, the cap having a plurality of radially outwardly projecting pins constructed and arranged for engaging the holes and the helical thread, an annular seal disposed externally on the sump body and spaced below the cap. The filter cartridge and the cartridge seat are configured so that upon the cap pins engaging the helical thread, upon reaching a fully engaged position of the cap in the thread, the seal is compressed against the annular landing.

Filter media and filters, such as air filters, residential air filters, commercial air filters, face masks, gas turbine and compressor air intake filters, panel filters, and the like, are provided that comprise a plurality of fibers with a silicone-based coating. The silicone-based coating comprises a silicone compound at least about two percent by weight of the coating. The silicone-based coating may include a reactive silicone macroemulsion and a surfactant. The silicone-based coating increases the efficiency of the filter at capturing contaminants, particularly contaminants in the E2 and E3 particle group range, without compromising other important characteristics of the filters, such as cost, longevity, dust holding capacity, and the pressure drop or air permeability of the filter.

The invention relates to a filter element (10) for filtering a fluid, in particular air, comprising at least a filter medium body (12) with a non-closed cross-section and a filter medium (14) arranged in folds (16), in particular in a zigzag pattern, along a longitudinal extension (50) of the filter medium body (12), wherein fold tips (18) form a first end face (22) and fold valleys (20) form a second end face (24) opposite in a transverse extension (52) of the filter medium body (12), with fixing elements (80) which extend between the folds (16) in the transverse extension (52) and fix a distance between the folds (16), with a first edge element (26) at least partially circumferentially around the first end face (22) and a second edge element (28) at least partially circumferentially around the second end face (24). The filter medium body (12) has at least one of its end faces (22, 24) a notch (40, 44) whose length (42, 46) in the transverse extent (52) is at least a part of the transverse extent (52) of the filter medium body (12).

A filter element for a fluid to be installed in a housing of a filter system, wherein the housing has at least a first housing part, a second housing part, and a filter head, is provided with a filter medium body having an end disc at an end face. One or more connection elements for connecting the filter element to at least one counterpart connection element of the second housing part are arranged at the end disc and extend away from the end disc in a longitudinal direction of the filter element. A filter system is provided with such a filter element which is arranged in the housing of the filter system and is connected to the counterpart connection element of the second housing part.

This invention relates to the field of air shower technology, providing a dust-proof clean air shower and its method. The air shower includes an air shower and an installation plate mounted on its inner wall. The installation plate has an air intake area inside. A filter assembly is located on the rear side of the installation plate. The filter assembly includes a sealing unit, a filter cutting unit, and a cleaning unit. The sealing unit includes upper and lower double-layer baffles and sealing rollers rotatably mounted inside its two ends. The filter cutting unit includes rotating filter media and rotating belts at its upper and lower ends. The baffles abut against the rotating belts, and the sealing rollers abut against the installation plate and the rotating filter media. The upper and lower ends of the sealing rollers abut against the baffles. By setting the rotating filter media behind the air intake area, after the air shower has been running for a certain period, the clean surface is moved to the front for switching through rotation. When the dirty surface of the rotating filter media moves out of the filter chamber, the rotating filter media is obliquely blown from the inside to the outside through air nozzles. Combined with a negative pressure dust collection hood, the detached dust is collected, forming an online cleaning process.

An evaporative emission control system (EVAP) canister including a housing, where the housing has a first bed volume, a second bed volume, a load port, and a purge control receptacle. The first bed volume includes a first opening and a second opening opposite the first opening. The second bed volume includes a third opening and a fourth opening opposite the third opening. The load port enables fuel vapor from a fuel tank to enter the first bed volume. The purge control receptacle is on a side of the first bed volume and is configured to receive a first purge control insert. The first purge control insert is configured to ensure that unfiltered fuel vapor condensate drawn in during a purge cycle is passed through a first portion of a fuel vapor filtering medium in the first bed volume.

The utility model discloses a novel water conservancy construction filtering device, which belongs to the technical field of water conservancy construction filtering devices and is characterized by comprising a primary filtering box, the bottom of the primary filtering box is fixedly connected with a secondary filtering box, and a flushing assembly is arranged on the front side of the primary filtering box. The washing assembly comprises a storage box bolted to the front side of the primary filtering box, a cleaning assembly is arranged in the secondary filtering box and comprises a driving motor bolted to the bottom of the secondary filtering box, and the output end of the driving motor penetrates through the bottom of the secondary filtering box; the output end of the driving motor is fixedly connected with a threaded rod, and the problems that various suspended solids, silt, impurities and the like generated in the filtering process of an existing novel water conservancy construction filtering device need to be manually cleaned, if the filtering plate cannot be cleaned in time, the substances easily block a filtering medium, and the filtering plate cannot be cleaned in time can be solved. And the working efficiency and the quality are influenced.

To improve the corrugated separators inserted between the filter media of an air filter so that they do not damage the filter media. In particular, to improve the ends of cross-shaped corrugated separators, which are used with their ridges intersecting, so that they do not damage the filter media. [Solution] A separator formed in a wave shape, wherein the cut surface of the end of the separator does not have an edge, and in the case of a wave separator used by intersecting the ridges of the wave, the end of the separator is formed in a flat portion parallel to the direction perpendicular to the direction of airflow passage.

To provide an integrity testing method for a porous filter medium incorporated in a housing.SOLUTION: A housing includes an interior separated by a porous filter medium into an upstream portion and a downstream portion, an inlet in fluid connection with the upstream portion, and an outlet in fluid connection with the downstream portion, and the outlet is connected to a filtrate conduit which has a closable end at a position remote from the outlet. The filter medium is tested in a state in which pores of the filter medium are wetted and filled with a liquid. The downstream portion of the interior and the filtrate conduit are filled with the liquid. The remote closable end of the filtrate conduit is closed. The upstream portion of the interior is drained and filled with a testing gas while retaining the liquid in the downstream portion. A gas-filled testing volume is fluidly connected to the downstream portion via the filtrate conduit. A pressure of the testing gas in the upstream portion corresponding to a predetermined testing differential pressure is generated and maintained at this pressure level.SELECTED DRAWING: Figure 2

The invention relates to a filter element (10) for a fluid, in particular for a liquid, in particular oil or fuel, for installation in a housing (110) of a filter system (100) having at least one first housing part (112), a second housing part (114) and a filter head (116), said filter element comprising at least a filter medium body (12), at least a first end face (16) is provided with a first end disc (20); and at least one connection element (32) for connecting the filter element (10) to at least one connection counterpart element (120) of the second housing part (114). Wherein at least one connecting element (32) is arranged on the first end disc (20) and extends from the first end disc (20) in the longitudinal direction (80). The invention also relates to a filtration system (100).

The invention relates to a filter element (100) for filtering, in particular, a gaseous fluid, in particular air, in particular for filtering air for a fuel cell system, comprising at least two filter medium bodies (10, 20), which can be passed successively in a flow direction (80) and which each have an inflow side (14, 34) and an outflow side (16, 36), at least one of the at least two filter medium bodies (10, 20) has an adsorbent filter medium (30) with a particulate adsorbent material. A safety filter (50) covers the outflow side (36) of the at least two filter media bodies (20) arranged on the outflow side, which safety filter prevents the outflow side of the particulate adsorbent material from exiting.

This utility model relates to the field of sand filter cleaning technology and provides a V-type sand filter ultrasonic rotary spray device, comprising: a sand filter body; an ultrasonic generator installed on the outer wall of the other side of the sand filter body; ultrasonic transducers uniformly fixedly installed on the inner wall above the filter media tank; a spray mechanism movably installed at the top of the fixed pipe and branch pipe; and a protective filter screen uniformly installed at the top of the spray mechanism. The V-type sand filter ultrasonic rotary spray device provided by this solution utilizes the operation of the ultrasonic generator to cause multiple ultrasonic transducers on the upper layer of the filter media in the filter media tank to generate ultrasonic vibrations, performing ultrasonic cleaning on the upper layer of filter media. This is combined with the main nozzle and inclined nozzle rotating to spray and rinse, and then with the operation of a second water pump to draw water into the water supply pipe. The water flowing through the water supply pipe enters multiple connecting pipes and is then sprayed out through multiple flushing heads to rinse and remove contaminants, achieving efficient rinsing of the filter media above the filter media tank.

The present invention relates to a non-woven filter media (100, 200) comprising: - a first melt-blown layer (102, 202) comprising fibers made from a polymer material, wherein the polymer material comprises a thermoplastic resin and at least one of a charge adjuvant and a nucleating agent; - a second layer (104, 204); and - a third layer (106, 206) arranged between the first layer and the second layer, the third layer being made of electrospun nanofibers. The present invention also relates to a filter element comprising this filter media and to a bag filter for a heating, ventilation and air conditioning system, where the bag filter comprises the filter media or the filter element.

This invention belongs to the field of aquaculture equipment and discloses a recirculating aquaculture system for indoor multi-layered culture of freshwater fish germplasm samples. The system includes a stainless steel culture rack, glass culture tanks, a temperature control system, a recirculating water purification system, an aeration system, and electrical and auxiliary materials. Through a three-layered culture structure design, combined with culture tanks of varying sizes and a precise temperature control module, it solves the problem of aquaculture with diverse sizes of freshwater fish germplasm samples and large differences in suitable water temperatures. The system has nine small glass culture tanks in the upper layer and three large glass culture tanks in each of the middle and lower layers, equipped with an external temperature control component and an internal heating rod, achieving full-coverage water temperature regulation from 10℃ to above 30℃. The recirculating water system ensures stable water quality through the synergistic effect of a filter tank, a booster pump, an ultraviolet sterilizer, and various filter media. Meanwhile, the lower culture tanks are equipped with an internal circulation filter to enhance local water purification, meeting the diverse aquaculture needs from small fry to large broodstock.

The invention relates to a filter element (1) for filtering a fluid, in particular for filtering combustion air in a motor vehicle and / or for filtering a running medium of a motor vehicle, comprising a pleat pack (2) formed from a filter medium (9) folded in a zigzag, the filter medium having folding sections (22) defined by folding edges (16). At least two directly adjacent folding sections (22A, 22B) are connected to one another by means of an adhesive material (24) by way of an adhesive bond (23) along an adhesive line (21), wherein the adhesive line (21) extends at least partially obliquely relative to or offset along a folding edge (16A) between the two directly adjacent folding sections (22A, 22B).

The utility model provides intelligent temperature control hardware electroplating solution circulating filtering equipment, which relates to the technical field of hardware electroplating and comprises an electroplating bath, a liquid outlet pipe is fixedly communicated with one side of the outer wall of the electroplating bath, a circulating pump is fixedly communicated with the output end of the liquid outlet pipe, and a conveying pipe is fixedly communicated with the output end of the circulating pump. The output end of the conveying pipe fixedly communicates with a filtering box, two mounting frames are fixedly connected to the inner surface wall of the filtering box, and embedding grooves are formed in the outer surface walls of the two mounting frames. According to the device disclosed by the utility model, the effective cleaning of the filtering medium is realized under the interaction of all the components of the device, and the filtering components can keep good filtering performance even if the device is used for a long time and is cleaned, so that the filtering efficiency of the device is ensured, the electroplating solution is kept at a stable flow rate in the circulating filtering process, and the service life of the electroplating solution is prolonged. And the stability of electroplating quality is further ensured.

Nonwoven material, pleated filter media and filters, such as residential and commercial air filters, are provided. A nonwoven material comprises a first fiber layer and a second layer in contact with the first fiber layer. The second layer comprises two or more rows of filaments spaced from each other and extending along at least a portion of the first layer. The rows of filaments provide sufficient support to the filter media that it is capable of holding its shape over time. Thus, a filter media comprising the nonwoven material may be manufactured without a metal mesh, which improves the safety of the filter during handling and facilitates its incineration at the end of its life. In addition, the overall filter may have a lower pressure loss and a higher dust holding capacity because there it does not contain a metal mesh layer blocking air flow through the filter.

A method, system and devices for filtering contaminants and potential contaminants from water, wastewater or other fluid, and in particular the vessels that may be assembled and arranged in configurations to have adjustable capacity for utilization, and ease of recharging the filter media, and which are transportable. The vessel comprises end portions that assemble to a body portion that provides a space for holding filter media, and includes an inlet and outlet, and fittings to connect the vessel to receive an inflow and deliver an outflow. The vessel may include a holder or base to facilitate transport thereof. The system includes one or more vessels, and also may provide an enclosure for housing vessels in a treatment configuration, and which provides ease of access and accommodations for accessories and other equipment.

The multi-medium filter of the water purification equipment comprises a tank body, a bottom support is detachably arranged at the bottom of the tank body, a water inlet pipe is arranged at the top of the tank body, a water outlet pipe is arranged at the bottom of the bottom support, an anti-scour guide plate is fixedly connected to the top of the inner wall of the tank body, and a plurality of flow dividing holes are formed in the bottom of the anti-scour guide plate; the device has the beneficial effects that water flow entering the tank body can be effectively and preliminarily blocked and impulsive force can be effectively relieved through the arrangement of the anti-scour guide plate and the flow dividing holes in the anti-scour guide plate, the impact force of the water flow is effectively reduced, the water flow can be effectively prevented from entering the tank body, and the service life of the tank body is prolonged. Meanwhile, through the arrangement of a motor, a rotating rod and a flow beating plate, water flow flowing down from flow dividing holes is scattered, the water flow impact force is further reduced, meanwhile, the water flow slowly and uniformly falls to a filtering medium layer, and the situation that the filtering effect is affected due to density change caused by the fact that a medium layer of traditional equipment is prone to being impacted is effectively avoided.

Embodiments disclosed herein relate to a pleated filter element having filter media having a downstream layer of filter material and an upstream layer of fibers. A spacing structure defines a void space between the upstream layer of fibers and the downstream layer of filter material.

The utility model relates to a water circulation device and a fish tank, and aims to provide higher ornamental value while circulating filtration of water, the device comprises a container, a base, a suction part and a water feeding pipe, the bottom of the container is provided with a water outlet and a water feeding port, the suction part conveys the water at the bottom of the container to the upper part through the water feeding pipe, and circulating flow of the water is realized. A supporting piece is arranged at an opening of the container, plant landscaping or a filtering medium can be used for filtering and purifying a water body, meanwhile, nutrients are provided for aquatic plants, a mutualistic ecological system is formed, the base protects the container and accommodates the suction piece, the structure is simple, and maintenance is easy. And the design of the detachable butt joint piece facilitates cleaning and later maintenance.

This invention provides a self-trophic denitrification filter media with anti-scaling function and its preparation method. The filter media uses sulfur, magnesite, and a microporous carrier as its main components, supplemented with soluble salts for continuous pore formation, forming a highly efficient self-trophic denitrification filter media with anti-scaling function. This filter media overcomes the problem of scale formation and reduced efficiency when treating high-concentration nitrate wastewater, which is often caused by conventional methods using calcium carbonate as a neutralizing agent. It also overcomes the problems of slow reaction rates and poor filter media activity caused by the inability of filter media prepared using magnesite or siderite to neutralize the generated acid in a timely manner.

An apparatus and method for irradiating air in an air circulation system of a vehicle is disclosed. The apparatus includes a filter unit configured to be coupled to a recirculation air conduit connected to a manifold of the air circulation system, the filter unit having an inlet end, and a filter disposed in the inlet end of the filter unit and including a filter media wall having a shape defining an interior volume of the filter. The apparatus further includes a UV lamp disposed on an end plate configured to be mounted to position the UV lamp in the interior volume of the filter and the end plate against an open end of the filter. The UV lamp can be configured to emit UV radiation substantially between 222 nm to 265 nm for irradiating air flowing through the filter into the air circulation system.

The utility model relates to a kind of hole inside upward hole osmotic pressure gauge burying device, including the filter protection component, expandable fixed component, connection adjusting piece and detachable conveying rod connected in turn.Filter protection component contains double-layer porous sleeve: inner sleeve contains osmotic pressure gauge and fills filter medium, and outer sleeve is filled with support filter material between inner sleeve;Expandable fixed component includes elastic sealing member, reset member and support framework, and framework is provided with wire shaft direction passage and connection structure;One end of connection adjusting piece cooperates framework connection structure, and the other end is provided with transmission cooperation part;Conveying rod one end is provided with matching drive part, and the other end is provided with extension connection structure.The utility model realizes upward hole stable placement by expandable fixed component, double-layer sleeve inverse filtration structure prevents silting up and protects osmotic pressure gauge, and detachable design supports repair and reuse, adapts to deep hole and short-term / long-term monitoring demand, and provides reliable technical means for underground engineering osmotic pressure monitoring.

The utility model belongs to the technical field of counter-pressure casting, and particularly relates to a counter-pressure casting riser tube electromagnetic induction filtering device and system, which comprises a middle tube, an induction heating coil, a heating coil embedding block, a filtering medium and a riser tube, the filtering medium is arranged inside the riser tube, and the induction heating coil and the heating coil embedding block are arranged outside the riser tube. And the intermediate pipe covers the induction heating coil embedded block. Through structural optimization of the riser tube, impurities at the bottom of the molten metal container can be prevented from being involved into pure molten metal in the molten metal suction process, and filtering of original impurities is guaranteed to the maximum extent. Through the synergistic effect of electromagnetic induction and the magnetic filtering medium, magnetic and non-magnetic impurities in molten metal can be effectively filtered, the purity of the molten metal is remarkably improved, defects in a casting are reduced, and the mechanical property and reliability of the casting are improved.

An air purifier and air treatment basket for inside air. The air purifier includes a housing. The air treatment basket is disposed in the housing. The air treatment basket includes an air treatment basket frame and a plurality of selectively removable air treatment panels containing filter media.

The invention relates to the technical field of filtering, discloses a filtering device and a wind power gear box lubricating and cooling system applying the filtering device, and solves the technical problem of high manufacturing cost caused by independent configuration between a bottom valve block and a side valve block. Comprising at least one integrated valve control device, and each integrated valve control device comprises a valve seat, a to-be-filtered medium one-way valve mechanism and a filtered medium flow path temperature control distribution mechanism; the valve seat is composed of the base, or the valve seat and the base are assembled together; the valve seat is provided with a first part and a second part which are integrally machined and formed; the to-be-filtered medium one-way valve mechanism is arranged in the first part and is used for conveying a to-be-filtered medium into the to-be-filtered medium collecting cavity in a one-way manner; the filtered medium flow path temperature control distribution mechanism is arranged in the second part, and the filtered medium flow path temperature control distribution mechanism distributes the filtered medium passing through the filtered medium flow collecting cavity into the first output channel and the second output channel through the temperature control valve set to be output.

The invention relates to the technical field of filtering equipment, in particular to a filter and a filter material cleaning method. The filter comprises a container, a filter material, a water inlet pipe, an air inlet pipe, a water drainage pipe, an exhaust pipe and a blow-off pipe, the filter material is arranged in the container, the container is divided into an input chamber and an output chamber through the filter material, the water inlet pipe and the air inlet pipe are communicated with the input chamber, and the water outlet pipe and the exhaust pipe are communicated with the input chamber; and the blow-off pipe is communicated with at least one of the input chamber and the output chamber. The filter and the filter material cleaning method have the following advantages that gas is input into the filter, and the filter material is cleaned while vibrating under the buoyancy action of the gas and the explosion action of bubbles, so that the use cost is reduced, the operation is simple, filtering and cleaning can be performed at the same time, and the cleaning effect is improved.